/* PowerPC64-specific support for 64-bit ELF.
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/* PowerPC64-specific support for 64-bit ELF.
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Linus Nordberg, Swox AB <info@swox.com>,
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Written by Linus Nordberg, Swox AB <info@swox.com>,
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based on elf32-ppc.c by Ian Lance Taylor.
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based on elf32-ppc.c by Ian Lance Taylor.
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Largely rewritten by Alan Modra <amodra@bigpond.net.au>
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Largely rewritten by Alan Modra <amodra@bigpond.net.au>
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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/* The 64-bit PowerPC ELF ABI may be found at
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/* The 64-bit PowerPC ELF ABI may be found at
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http://www.linuxbase.org/spec/ELF/ppc64/PPC-elf64abi.txt, and
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http://www.linuxbase.org/spec/ELF/ppc64/PPC-elf64abi.txt, and
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http://www.linuxbase.org/spec/ELF/ppc64/spec/book1.html */
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http://www.linuxbase.org/spec/ELF/ppc64/spec/book1.html */
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#include "sysdep.h"
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#include "sysdep.h"
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#include <stdarg.h>
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#include <stdarg.h>
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#include "bfd.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf-bfd.h"
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#include "elf/ppc64.h"
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#include "elf/ppc64.h"
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#include "elf64-ppc.h"
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#include "elf64-ppc.h"
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static bfd_reloc_status_type ppc64_elf_ha_reloc
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static bfd_reloc_status_type ppc64_elf_ha_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_branch_reloc
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static bfd_reloc_status_type ppc64_elf_branch_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_brtaken_reloc
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static bfd_reloc_status_type ppc64_elf_brtaken_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_sectoff_reloc
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static bfd_reloc_status_type ppc64_elf_sectoff_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_sectoff_ha_reloc
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static bfd_reloc_status_type ppc64_elf_sectoff_ha_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_toc_reloc
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static bfd_reloc_status_type ppc64_elf_toc_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_toc_ha_reloc
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static bfd_reloc_status_type ppc64_elf_toc_ha_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_toc64_reloc
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static bfd_reloc_status_type ppc64_elf_toc64_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc64_elf_unhandled_reloc
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static bfd_reloc_status_type ppc64_elf_unhandled_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_vma opd_entry_value
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static bfd_vma opd_entry_value
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(asection *, bfd_vma, asection **, bfd_vma *);
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(asection *, bfd_vma, asection **, bfd_vma *);
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#define TARGET_LITTLE_SYM bfd_elf64_powerpcle_vec
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#define TARGET_LITTLE_SYM bfd_elf64_powerpcle_vec
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#define TARGET_LITTLE_NAME "elf64-powerpcle"
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#define TARGET_LITTLE_NAME "elf64-powerpcle"
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#define TARGET_BIG_SYM bfd_elf64_powerpc_vec
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#define TARGET_BIG_SYM bfd_elf64_powerpc_vec
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#define TARGET_BIG_NAME "elf64-powerpc"
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#define TARGET_BIG_NAME "elf64-powerpc"
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#define ELF_ARCH bfd_arch_powerpc
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#define ELF_ARCH bfd_arch_powerpc
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#define ELF_MACHINE_CODE EM_PPC64
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#define ELF_MACHINE_CODE EM_PPC64
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#define ELF_MAXPAGESIZE 0x10000
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#define ELF_MAXPAGESIZE 0x10000
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#define ELF_COMMONPAGESIZE 0x1000
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#define ELF_COMMONPAGESIZE 0x1000
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#define elf_info_to_howto ppc64_elf_info_to_howto
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#define elf_info_to_howto ppc64_elf_info_to_howto
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#define elf_backend_want_got_sym 0
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#define elf_backend_want_got_sym 0
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#define elf_backend_want_plt_sym 0
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#define elf_backend_want_plt_sym 0
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#define elf_backend_plt_alignment 3
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#define elf_backend_plt_alignment 3
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#define elf_backend_plt_not_loaded 1
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#define elf_backend_plt_not_loaded 1
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#define elf_backend_got_header_size 8
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#define elf_backend_got_header_size 8
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#define elf_backend_can_gc_sections 1
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#define elf_backend_can_gc_sections 1
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#define elf_backend_can_refcount 1
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#define elf_backend_can_refcount 1
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#define elf_backend_rela_normal 1
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#define elf_backend_rela_normal 1
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#define elf_backend_default_execstack 0
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#define elf_backend_default_execstack 0
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#define bfd_elf64_mkobject ppc64_elf_mkobject
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#define bfd_elf64_mkobject ppc64_elf_mkobject
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#define bfd_elf64_bfd_reloc_type_lookup ppc64_elf_reloc_type_lookup
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#define bfd_elf64_bfd_reloc_type_lookup ppc64_elf_reloc_type_lookup
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#define bfd_elf64_bfd_reloc_name_lookup ppc64_elf_reloc_name_lookup
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#define bfd_elf64_bfd_reloc_name_lookup ppc64_elf_reloc_name_lookup
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#define bfd_elf64_bfd_merge_private_bfd_data ppc64_elf_merge_private_bfd_data
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#define bfd_elf64_bfd_merge_private_bfd_data ppc64_elf_merge_private_bfd_data
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#define bfd_elf64_new_section_hook ppc64_elf_new_section_hook
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#define bfd_elf64_new_section_hook ppc64_elf_new_section_hook
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#define bfd_elf64_bfd_link_hash_table_create ppc64_elf_link_hash_table_create
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#define bfd_elf64_bfd_link_hash_table_create ppc64_elf_link_hash_table_create
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#define bfd_elf64_bfd_link_hash_table_free ppc64_elf_link_hash_table_free
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#define bfd_elf64_bfd_link_hash_table_free ppc64_elf_link_hash_table_free
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#define bfd_elf64_get_synthetic_symtab ppc64_elf_get_synthetic_symtab
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#define bfd_elf64_get_synthetic_symtab ppc64_elf_get_synthetic_symtab
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#define elf_backend_object_p ppc64_elf_object_p
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#define elf_backend_object_p ppc64_elf_object_p
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#define elf_backend_grok_prstatus ppc64_elf_grok_prstatus
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#define elf_backend_grok_prstatus ppc64_elf_grok_prstatus
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#define elf_backend_grok_psinfo ppc64_elf_grok_psinfo
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#define elf_backend_grok_psinfo ppc64_elf_grok_psinfo
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#define elf_backend_write_core_note ppc64_elf_write_core_note
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#define elf_backend_write_core_note ppc64_elf_write_core_note
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#define elf_backend_create_dynamic_sections ppc64_elf_create_dynamic_sections
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#define elf_backend_create_dynamic_sections ppc64_elf_create_dynamic_sections
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#define elf_backend_copy_indirect_symbol ppc64_elf_copy_indirect_symbol
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#define elf_backend_copy_indirect_symbol ppc64_elf_copy_indirect_symbol
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#define elf_backend_add_symbol_hook ppc64_elf_add_symbol_hook
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#define elf_backend_add_symbol_hook ppc64_elf_add_symbol_hook
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#define elf_backend_check_directives ppc64_elf_check_directives
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#define elf_backend_check_directives ppc64_elf_check_directives
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#define elf_backend_as_needed_cleanup ppc64_elf_as_needed_cleanup
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#define elf_backend_as_needed_cleanup ppc64_elf_as_needed_cleanup
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#define elf_backend_archive_symbol_lookup ppc64_elf_archive_symbol_lookup
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#define elf_backend_archive_symbol_lookup ppc64_elf_archive_symbol_lookup
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#define elf_backend_check_relocs ppc64_elf_check_relocs
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#define elf_backend_check_relocs ppc64_elf_check_relocs
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#define elf_backend_gc_keep ppc64_elf_gc_keep
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#define elf_backend_gc_keep ppc64_elf_gc_keep
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#define elf_backend_gc_mark_dynamic_ref ppc64_elf_gc_mark_dynamic_ref
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#define elf_backend_gc_mark_dynamic_ref ppc64_elf_gc_mark_dynamic_ref
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#define elf_backend_gc_mark_hook ppc64_elf_gc_mark_hook
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#define elf_backend_gc_mark_hook ppc64_elf_gc_mark_hook
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#define elf_backend_gc_sweep_hook ppc64_elf_gc_sweep_hook
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#define elf_backend_gc_sweep_hook ppc64_elf_gc_sweep_hook
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#define elf_backend_adjust_dynamic_symbol ppc64_elf_adjust_dynamic_symbol
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#define elf_backend_adjust_dynamic_symbol ppc64_elf_adjust_dynamic_symbol
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#define elf_backend_hide_symbol ppc64_elf_hide_symbol
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#define elf_backend_hide_symbol ppc64_elf_hide_symbol
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#define elf_backend_always_size_sections ppc64_elf_func_desc_adjust
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#define elf_backend_always_size_sections ppc64_elf_func_desc_adjust
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#define elf_backend_size_dynamic_sections ppc64_elf_size_dynamic_sections
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#define elf_backend_size_dynamic_sections ppc64_elf_size_dynamic_sections
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#define elf_backend_init_index_section _bfd_elf_init_2_index_sections
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#define elf_backend_init_index_section _bfd_elf_init_2_index_sections
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#define elf_backend_action_discarded ppc64_elf_action_discarded
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#define elf_backend_action_discarded ppc64_elf_action_discarded
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#define elf_backend_relocate_section ppc64_elf_relocate_section
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#define elf_backend_relocate_section ppc64_elf_relocate_section
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#define elf_backend_finish_dynamic_symbol ppc64_elf_finish_dynamic_symbol
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#define elf_backend_finish_dynamic_symbol ppc64_elf_finish_dynamic_symbol
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#define elf_backend_reloc_type_class ppc64_elf_reloc_type_class
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#define elf_backend_reloc_type_class ppc64_elf_reloc_type_class
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#define elf_backend_finish_dynamic_sections ppc64_elf_finish_dynamic_sections
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#define elf_backend_finish_dynamic_sections ppc64_elf_finish_dynamic_sections
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#define elf_backend_link_output_symbol_hook ppc64_elf_output_symbol_hook
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#define elf_backend_link_output_symbol_hook ppc64_elf_output_symbol_hook
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#define elf_backend_special_sections ppc64_elf_special_sections
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#define elf_backend_special_sections ppc64_elf_special_sections
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/* The name of the dynamic interpreter. This is put in the .interp
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/* The name of the dynamic interpreter. This is put in the .interp
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section. */
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section. */
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
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/* The size in bytes of an entry in the procedure linkage table. */
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/* The size in bytes of an entry in the procedure linkage table. */
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#define PLT_ENTRY_SIZE 24
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#define PLT_ENTRY_SIZE 24
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/* The initial size of the plt reserved for the dynamic linker. */
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/* The initial size of the plt reserved for the dynamic linker. */
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#define PLT_INITIAL_ENTRY_SIZE PLT_ENTRY_SIZE
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#define PLT_INITIAL_ENTRY_SIZE PLT_ENTRY_SIZE
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/* TOC base pointers offset from start of TOC. */
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/* TOC base pointers offset from start of TOC. */
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#define TOC_BASE_OFF 0x8000
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#define TOC_BASE_OFF 0x8000
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/* Offset of tp and dtp pointers from start of TLS block. */
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/* Offset of tp and dtp pointers from start of TLS block. */
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#define TP_OFFSET 0x7000
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#define TP_OFFSET 0x7000
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#define DTP_OFFSET 0x8000
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#define DTP_OFFSET 0x8000
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/* .plt call stub instructions. The normal stub is like this, but
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/* .plt call stub instructions. The normal stub is like this, but
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sometimes the .plt entry crosses a 64k boundary and we need to
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sometimes the .plt entry crosses a 64k boundary and we need to
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insert an addi to adjust r12. */
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insert an addi to adjust r12. */
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#define PLT_CALL_STUB_SIZE (7*4)
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#define PLT_CALL_STUB_SIZE (7*4)
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#define ADDIS_R12_R2 0x3d820000 /* addis %r12,%r2,xxx@ha */
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#define ADDIS_R12_R2 0x3d820000 /* addis %r12,%r2,xxx@ha */
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#define STD_R2_40R1 0xf8410028 /* std %r2,40(%r1) */
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#define STD_R2_40R1 0xf8410028 /* std %r2,40(%r1) */
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#define LD_R11_0R12 0xe96c0000 /* ld %r11,xxx+0@l(%r12) */
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#define LD_R11_0R12 0xe96c0000 /* ld %r11,xxx+0@l(%r12) */
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#define MTCTR_R11 0x7d6903a6 /* mtctr %r11 */
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#define MTCTR_R11 0x7d6903a6 /* mtctr %r11 */
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#define LD_R2_0R12 0xe84c0000 /* ld %r2,xxx+8@l(%r12) */
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#define LD_R2_0R12 0xe84c0000 /* ld %r2,xxx+8@l(%r12) */
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/* ld %r11,xxx+16@l(%r12) */
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/* ld %r11,xxx+16@l(%r12) */
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#define BCTR 0x4e800420 /* bctr */
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#define BCTR 0x4e800420 /* bctr */
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#define ADDIS_R12_R12 0x3d8c0000 /* addis %r12,%r12,off@ha */
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#define ADDIS_R12_R12 0x3d8c0000 /* addis %r12,%r12,off@ha */
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#define ADDI_R12_R12 0x398c0000 /* addi %r12,%r12,off@l */
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#define ADDI_R12_R12 0x398c0000 /* addi %r12,%r12,off@l */
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#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
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#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
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#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
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#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
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#define LD_R11_0R2 0xe9620000 /* ld %r11,xxx+0(%r2) */
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#define LD_R11_0R2 0xe9620000 /* ld %r11,xxx+0(%r2) */
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#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
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#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
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#define LD_R2_40R1 0xe8410028 /* ld %r2,40(%r1) */
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#define LD_R2_40R1 0xe8410028 /* ld %r2,40(%r1) */
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/* glink call stub instructions. We enter with the index in R0. */
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/* glink call stub instructions. We enter with the index in R0. */
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#define GLINK_CALL_STUB_SIZE (16*4)
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#define GLINK_CALL_STUB_SIZE (16*4)
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/* 0: */
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/* 0: */
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/* .quad plt0-1f */
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/* .quad plt0-1f */
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/* __glink: */
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/* __glink: */
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#define MFLR_R12 0x7d8802a6 /* mflr %12 */
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#define MFLR_R12 0x7d8802a6 /* mflr %12 */
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#define BCL_20_31 0x429f0005 /* bcl 20,31,1f */
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#define BCL_20_31 0x429f0005 /* bcl 20,31,1f */
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/* 1: */
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/* 1: */
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#define MFLR_R11 0x7d6802a6 /* mflr %11 */
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#define MFLR_R11 0x7d6802a6 /* mflr %11 */
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#define LD_R2_M16R11 0xe84bfff0 /* ld %2,(0b-1b)(%11) */
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#define LD_R2_M16R11 0xe84bfff0 /* ld %2,(0b-1b)(%11) */
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#define MTLR_R12 0x7d8803a6 /* mtlr %12 */
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#define MTLR_R12 0x7d8803a6 /* mtlr %12 */
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#define ADD_R12_R2_R11 0x7d825a14 /* add %12,%2,%11 */
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#define ADD_R12_R2_R11 0x7d825a14 /* add %12,%2,%11 */
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/* ld %11,0(%12) */
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/* ld %11,0(%12) */
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/* ld %2,8(%12) */
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/* ld %2,8(%12) */
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/* mtctr %11 */
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/* mtctr %11 */
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/* ld %11,16(%12) */
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/* ld %11,16(%12) */
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/* bctr */
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/* bctr */
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/* Pad with this. */
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/* Pad with this. */
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#define NOP 0x60000000
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#define NOP 0x60000000
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/* Some other nops. */
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/* Some other nops. */
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#define CROR_151515 0x4def7b82
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#define CROR_151515 0x4def7b82
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#define CROR_313131 0x4ffffb82
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#define CROR_313131 0x4ffffb82
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/* .glink entries for the first 32k functions are two instructions. */
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/* .glink entries for the first 32k functions are two instructions. */
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#define LI_R0_0 0x38000000 /* li %r0,0 */
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#define LI_R0_0 0x38000000 /* li %r0,0 */
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#define B_DOT 0x48000000 /* b . */
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#define B_DOT 0x48000000 /* b . */
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/* After that, we need two instructions to load the index, followed by
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/* After that, we need two instructions to load the index, followed by
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a branch. */
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a branch. */
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#define LIS_R0_0 0x3c000000 /* lis %r0,0 */
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#define LIS_R0_0 0x3c000000 /* lis %r0,0 */
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#define ORI_R0_R0_0 0x60000000 /* ori %r0,%r0,0 */
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#define ORI_R0_R0_0 0x60000000 /* ori %r0,%r0,0 */
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/* Instructions used by the save and restore reg functions. */
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/* Instructions used by the save and restore reg functions. */
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#define STD_R0_0R1 0xf8010000 /* std %r0,0(%r1) */
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#define STD_R0_0R1 0xf8010000 /* std %r0,0(%r1) */
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#define STD_R0_0R12 0xf80c0000 /* std %r0,0(%r12) */
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#define STD_R0_0R12 0xf80c0000 /* std %r0,0(%r12) */
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#define LD_R0_0R1 0xe8010000 /* ld %r0,0(%r1) */
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#define LD_R0_0R1 0xe8010000 /* ld %r0,0(%r1) */
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#define LD_R0_0R12 0xe80c0000 /* ld %r0,0(%r12) */
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#define LD_R0_0R12 0xe80c0000 /* ld %r0,0(%r12) */
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#define STFD_FR0_0R1 0xd8010000 /* stfd %fr0,0(%r1) */
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#define STFD_FR0_0R1 0xd8010000 /* stfd %fr0,0(%r1) */
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#define LFD_FR0_0R1 0xc8010000 /* lfd %fr0,0(%r1) */
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#define LFD_FR0_0R1 0xc8010000 /* lfd %fr0,0(%r1) */
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#define LI_R12_0 0x39800000 /* li %r12,0 */
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#define LI_R12_0 0x39800000 /* li %r12,0 */
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#define STVX_VR0_R12_R0 0x7c0c01ce /* stvx %v0,%r12,%r0 */
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#define STVX_VR0_R12_R0 0x7c0c01ce /* stvx %v0,%r12,%r0 */
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#define LVX_VR0_R12_R0 0x7c0c00ce /* lvx %v0,%r12,%r0 */
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#define LVX_VR0_R12_R0 0x7c0c00ce /* lvx %v0,%r12,%r0 */
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#define MTLR_R0 0x7c0803a6 /* mtlr %r0 */
|
#define MTLR_R0 0x7c0803a6 /* mtlr %r0 */
|
#define BLR 0x4e800020 /* blr */
|
#define BLR 0x4e800020 /* blr */
|
|
|
/* Since .opd is an array of descriptors and each entry will end up
|
/* Since .opd is an array of descriptors and each entry will end up
|
with identical R_PPC64_RELATIVE relocs, there is really no need to
|
with identical R_PPC64_RELATIVE relocs, there is really no need to
|
propagate .opd relocs; The dynamic linker should be taught to
|
propagate .opd relocs; The dynamic linker should be taught to
|
relocate .opd without reloc entries. */
|
relocate .opd without reloc entries. */
|
#ifndef NO_OPD_RELOCS
|
#ifndef NO_OPD_RELOCS
|
#define NO_OPD_RELOCS 0
|
#define NO_OPD_RELOCS 0
|
#endif
|
#endif
|
|
|
#define ONES(n) (((bfd_vma) 1 << ((n) - 1) << 1) - 1)
|
#define ONES(n) (((bfd_vma) 1 << ((n) - 1) << 1) - 1)
|
|
|
/* Relocation HOWTO's. */
|
/* Relocation HOWTO's. */
|
static reloc_howto_type *ppc64_elf_howto_table[(int) R_PPC64_max];
|
static reloc_howto_type *ppc64_elf_howto_table[(int) R_PPC64_max];
|
|
|
static reloc_howto_type ppc64_elf_howto_raw[] = {
|
static reloc_howto_type ppc64_elf_howto_raw[] = {
|
/* This reloc does nothing. */
|
/* This reloc does nothing. */
|
HOWTO (R_PPC64_NONE, /* type */
|
HOWTO (R_PPC64_NONE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_NONE", /* name */
|
"R_PPC64_NONE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 32 bit relocation. */
|
/* A standard 32 bit relocation. */
|
HOWTO (R_PPC64_ADDR32, /* type */
|
HOWTO (R_PPC64_ADDR32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR32", /* name */
|
"R_PPC64_ADDR32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 26 bit branch; the lower two bits must be zero.
|
/* An absolute 26 bit branch; the lower two bits must be zero.
|
FIXME: we don't check that, we just clear them. */
|
FIXME: we don't check that, we just clear them. */
|
HOWTO (R_PPC64_ADDR24, /* type */
|
HOWTO (R_PPC64_ADDR24, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
26, /* bitsize */
|
26, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR24", /* name */
|
"R_PPC64_ADDR24", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x03fffffc, /* dst_mask */
|
0x03fffffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 16 bit relocation. */
|
/* A standard 16 bit relocation. */
|
HOWTO (R_PPC64_ADDR16, /* type */
|
HOWTO (R_PPC64_ADDR16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16", /* name */
|
"R_PPC64_ADDR16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A 16 bit relocation without overflow. */
|
/* A 16 bit relocation without overflow. */
|
HOWTO (R_PPC64_ADDR16_LO, /* type */
|
HOWTO (R_PPC64_ADDR16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16_LO", /* name */
|
"R_PPC64_ADDR16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Bits 16-31 of an address. */
|
/* Bits 16-31 of an address. */
|
HOWTO (R_PPC64_ADDR16_HI, /* type */
|
HOWTO (R_PPC64_ADDR16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16_HI", /* name */
|
"R_PPC64_ADDR16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Bits 16-31 of an address, plus 1 if the contents of the low 16
|
/* Bits 16-31 of an address, plus 1 if the contents of the low 16
|
bits, treated as a signed number, is negative. */
|
bits, treated as a signed number, is negative. */
|
HOWTO (R_PPC64_ADDR16_HA, /* type */
|
HOWTO (R_PPC64_ADDR16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_ha_reloc, /* special_function */
|
ppc64_elf_ha_reloc, /* special_function */
|
"R_PPC64_ADDR16_HA", /* name */
|
"R_PPC64_ADDR16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 16 bit branch; the lower two bits must be zero.
|
/* An absolute 16 bit branch; the lower two bits must be zero.
|
FIXME: we don't check that, we just clear them. */
|
FIXME: we don't check that, we just clear them. */
|
HOWTO (R_PPC64_ADDR14, /* type */
|
HOWTO (R_PPC64_ADDR14, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_branch_reloc, /* special_function */
|
ppc64_elf_branch_reloc, /* special_function */
|
"R_PPC64_ADDR14", /* name */
|
"R_PPC64_ADDR14", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x0000fffc, /* dst_mask */
|
0x0000fffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
indicate that the branch is expected to be taken. The lower two
|
indicate that the branch is expected to be taken. The lower two
|
bits must be zero. */
|
bits must be zero. */
|
HOWTO (R_PPC64_ADDR14_BRTAKEN, /* type */
|
HOWTO (R_PPC64_ADDR14_BRTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
"R_PPC64_ADDR14_BRTAKEN",/* name */
|
"R_PPC64_ADDR14_BRTAKEN",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x0000fffc, /* dst_mask */
|
0x0000fffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
indicate that the branch is not expected to be taken. The lower
|
indicate that the branch is not expected to be taken. The lower
|
two bits must be zero. */
|
two bits must be zero. */
|
HOWTO (R_PPC64_ADDR14_BRNTAKEN, /* type */
|
HOWTO (R_PPC64_ADDR14_BRNTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
"R_PPC64_ADDR14_BRNTAKEN",/* name */
|
"R_PPC64_ADDR14_BRNTAKEN",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x0000fffc, /* dst_mask */
|
0x0000fffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A relative 26 bit branch; the lower two bits must be zero. */
|
/* A relative 26 bit branch; the lower two bits must be zero. */
|
HOWTO (R_PPC64_REL24, /* type */
|
HOWTO (R_PPC64_REL24, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
26, /* bitsize */
|
26, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_branch_reloc, /* special_function */
|
ppc64_elf_branch_reloc, /* special_function */
|
"R_PPC64_REL24", /* name */
|
"R_PPC64_REL24", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x03fffffc, /* dst_mask */
|
0x03fffffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A relative 16 bit branch; the lower two bits must be zero. */
|
/* A relative 16 bit branch; the lower two bits must be zero. */
|
HOWTO (R_PPC64_REL14, /* type */
|
HOWTO (R_PPC64_REL14, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_branch_reloc, /* special_function */
|
ppc64_elf_branch_reloc, /* special_function */
|
"R_PPC64_REL14", /* name */
|
"R_PPC64_REL14", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x0000fffc, /* dst_mask */
|
0x0000fffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
the branch is expected to be taken. The lower two bits must be
|
the branch is expected to be taken. The lower two bits must be
|
zero. */
|
zero. */
|
HOWTO (R_PPC64_REL14_BRTAKEN, /* type */
|
HOWTO (R_PPC64_REL14_BRTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
"R_PPC64_REL14_BRTAKEN", /* name */
|
"R_PPC64_REL14_BRTAKEN", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x0000fffc, /* dst_mask */
|
0x0000fffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
the branch is not expected to be taken. The lower two bits must
|
the branch is not expected to be taken. The lower two bits must
|
be zero. */
|
be zero. */
|
HOWTO (R_PPC64_REL14_BRNTAKEN, /* type */
|
HOWTO (R_PPC64_REL14_BRNTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
ppc64_elf_brtaken_reloc, /* special_function */
|
"R_PPC64_REL14_BRNTAKEN",/* name */
|
"R_PPC64_REL14_BRNTAKEN",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x0000fffc, /* dst_mask */
|
0x0000fffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16, but referring to the GOT table entry for the
|
/* Like R_PPC64_ADDR16, but referring to the GOT table entry for the
|
symbol. */
|
symbol. */
|
HOWTO (R_PPC64_GOT16, /* type */
|
HOWTO (R_PPC64_GOT16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT16", /* name */
|
"R_PPC64_GOT16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_LO, but referring to the GOT table entry for
|
/* Like R_PPC64_ADDR16_LO, but referring to the GOT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC64_GOT16_LO, /* type */
|
HOWTO (R_PPC64_GOT16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT16_LO", /* name */
|
"R_PPC64_GOT16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_HI, but referring to the GOT table entry for
|
/* Like R_PPC64_ADDR16_HI, but referring to the GOT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC64_GOT16_HI, /* type */
|
HOWTO (R_PPC64_GOT16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT16_HI", /* name */
|
"R_PPC64_GOT16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_HA, but referring to the GOT table entry for
|
/* Like R_PPC64_ADDR16_HA, but referring to the GOT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC64_GOT16_HA, /* type */
|
HOWTO (R_PPC64_GOT16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT16_HA", /* name */
|
"R_PPC64_GOT16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* This is used only by the dynamic linker. The symbol should exist
|
/* This is used only by the dynamic linker. The symbol should exist
|
both in the object being run and in some shared library. The
|
both in the object being run and in some shared library. The
|
dynamic linker copies the data addressed by the symbol from the
|
dynamic linker copies the data addressed by the symbol from the
|
shared library into the object, because the object being
|
shared library into the object, because the object being
|
run has to have the data at some particular address. */
|
run has to have the data at some particular address. */
|
HOWTO (R_PPC64_COPY, /* type */
|
HOWTO (R_PPC64_COPY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* this one is variable size */
|
0, /* this one is variable size */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_COPY", /* name */
|
"R_PPC64_COPY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR64, but used when setting global offset table
|
/* Like R_PPC64_ADDR64, but used when setting global offset table
|
entries. */
|
entries. */
|
HOWTO (R_PPC64_GLOB_DAT, /* type */
|
HOWTO (R_PPC64_GLOB_DAT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GLOB_DAT", /* name */
|
"R_PPC64_GLOB_DAT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Created by the link editor. Marks a procedure linkage table
|
/* Created by the link editor. Marks a procedure linkage table
|
entry for a symbol. */
|
entry for a symbol. */
|
HOWTO (R_PPC64_JMP_SLOT, /* type */
|
HOWTO (R_PPC64_JMP_SLOT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_JMP_SLOT", /* name */
|
"R_PPC64_JMP_SLOT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Used only by the dynamic linker. When the object is run, this
|
/* Used only by the dynamic linker. When the object is run, this
|
doubleword64 is set to the load address of the object, plus the
|
doubleword64 is set to the load address of the object, plus the
|
addend. */
|
addend. */
|
HOWTO (R_PPC64_RELATIVE, /* type */
|
HOWTO (R_PPC64_RELATIVE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_RELATIVE", /* name */
|
"R_PPC64_RELATIVE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR32, but may be unaligned. */
|
/* Like R_PPC64_ADDR32, but may be unaligned. */
|
HOWTO (R_PPC64_UADDR32, /* type */
|
HOWTO (R_PPC64_UADDR32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_UADDR32", /* name */
|
"R_PPC64_UADDR32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16, but may be unaligned. */
|
/* Like R_PPC64_ADDR16, but may be unaligned. */
|
HOWTO (R_PPC64_UADDR16, /* type */
|
HOWTO (R_PPC64_UADDR16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_UADDR16", /* name */
|
"R_PPC64_UADDR16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 32-bit PC relative. */
|
/* 32-bit PC relative. */
|
HOWTO (R_PPC64_REL32, /* type */
|
HOWTO (R_PPC64_REL32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
/* FIXME: Verify. Was complain_overflow_bitfield. */
|
/* FIXME: Verify. Was complain_overflow_bitfield. */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_REL32", /* name */
|
"R_PPC64_REL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* 32-bit relocation to the symbol's procedure linkage table. */
|
/* 32-bit relocation to the symbol's procedure linkage table. */
|
HOWTO (R_PPC64_PLT32, /* type */
|
HOWTO (R_PPC64_PLT32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLT32", /* name */
|
"R_PPC64_PLT32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
|
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
|
FIXME: R_PPC64_PLTREL32 not supported. */
|
FIXME: R_PPC64_PLTREL32 not supported. */
|
HOWTO (R_PPC64_PLTREL32, /* type */
|
HOWTO (R_PPC64_PLTREL32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_PLTREL32", /* name */
|
"R_PPC64_PLTREL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_LO, but referring to the PLT table entry for
|
/* Like R_PPC64_ADDR16_LO, but referring to the PLT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC64_PLT16_LO, /* type */
|
HOWTO (R_PPC64_PLT16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLT16_LO", /* name */
|
"R_PPC64_PLT16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_HI, but referring to the PLT table entry for
|
/* Like R_PPC64_ADDR16_HI, but referring to the PLT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC64_PLT16_HI, /* type */
|
HOWTO (R_PPC64_PLT16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLT16_HI", /* name */
|
"R_PPC64_PLT16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_HA, but referring to the PLT table entry for
|
/* Like R_PPC64_ADDR16_HA, but referring to the PLT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC64_PLT16_HA, /* type */
|
HOWTO (R_PPC64_PLT16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLT16_HA", /* name */
|
"R_PPC64_PLT16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit section relative relocation. */
|
/* 16-bit section relative relocation. */
|
HOWTO (R_PPC64_SECTOFF, /* type */
|
HOWTO (R_PPC64_SECTOFF, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
"R_PPC64_SECTOFF", /* name */
|
"R_PPC64_SECTOFF", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_SECTOFF, but no overflow warning. */
|
/* Like R_PPC64_SECTOFF, but no overflow warning. */
|
HOWTO (R_PPC64_SECTOFF_LO, /* type */
|
HOWTO (R_PPC64_SECTOFF_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
"R_PPC64_SECTOFF_LO", /* name */
|
"R_PPC64_SECTOFF_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit upper half section relative relocation. */
|
/* 16-bit upper half section relative relocation. */
|
HOWTO (R_PPC64_SECTOFF_HI, /* type */
|
HOWTO (R_PPC64_SECTOFF_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
"R_PPC64_SECTOFF_HI", /* name */
|
"R_PPC64_SECTOFF_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit upper half adjusted section relative relocation. */
|
/* 16-bit upper half adjusted section relative relocation. */
|
HOWTO (R_PPC64_SECTOFF_HA, /* type */
|
HOWTO (R_PPC64_SECTOFF_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_sectoff_ha_reloc, /* special_function */
|
ppc64_elf_sectoff_ha_reloc, /* special_function */
|
"R_PPC64_SECTOFF_HA", /* name */
|
"R_PPC64_SECTOFF_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_REL24 without touching the two least significant bits. */
|
/* Like R_PPC64_REL24 without touching the two least significant bits. */
|
HOWTO (R_PPC64_REL30, /* type */
|
HOWTO (R_PPC64_REL30, /* type */
|
2, /* rightshift */
|
2, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
30, /* bitsize */
|
30, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_REL30", /* name */
|
"R_PPC64_REL30", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffffffc, /* dst_mask */
|
0xfffffffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* Relocs in the 64-bit PowerPC ELF ABI, not in the 32-bit ABI. */
|
/* Relocs in the 64-bit PowerPC ELF ABI, not in the 32-bit ABI. */
|
|
|
/* A standard 64-bit relocation. */
|
/* A standard 64-bit relocation. */
|
HOWTO (R_PPC64_ADDR64, /* type */
|
HOWTO (R_PPC64_ADDR64, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR64", /* name */
|
"R_PPC64_ADDR64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The bits 32-47 of an address. */
|
/* The bits 32-47 of an address. */
|
HOWTO (R_PPC64_ADDR16_HIGHER, /* type */
|
HOWTO (R_PPC64_ADDR16_HIGHER, /* type */
|
32, /* rightshift */
|
32, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16_HIGHER", /* name */
|
"R_PPC64_ADDR16_HIGHER", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The bits 32-47 of an address, plus 1 if the contents of the low
|
/* The bits 32-47 of an address, plus 1 if the contents of the low
|
16 bits, treated as a signed number, is negative. */
|
16 bits, treated as a signed number, is negative. */
|
HOWTO (R_PPC64_ADDR16_HIGHERA, /* type */
|
HOWTO (R_PPC64_ADDR16_HIGHERA, /* type */
|
32, /* rightshift */
|
32, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_ha_reloc, /* special_function */
|
ppc64_elf_ha_reloc, /* special_function */
|
"R_PPC64_ADDR16_HIGHERA", /* name */
|
"R_PPC64_ADDR16_HIGHERA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The bits 48-63 of an address. */
|
/* The bits 48-63 of an address. */
|
HOWTO (R_PPC64_ADDR16_HIGHEST,/* type */
|
HOWTO (R_PPC64_ADDR16_HIGHEST,/* type */
|
48, /* rightshift */
|
48, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16_HIGHEST", /* name */
|
"R_PPC64_ADDR16_HIGHEST", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The bits 48-63 of an address, plus 1 if the contents of the low
|
/* The bits 48-63 of an address, plus 1 if the contents of the low
|
16 bits, treated as a signed number, is negative. */
|
16 bits, treated as a signed number, is negative. */
|
HOWTO (R_PPC64_ADDR16_HIGHESTA,/* type */
|
HOWTO (R_PPC64_ADDR16_HIGHESTA,/* type */
|
48, /* rightshift */
|
48, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_ha_reloc, /* special_function */
|
ppc64_elf_ha_reloc, /* special_function */
|
"R_PPC64_ADDR16_HIGHESTA", /* name */
|
"R_PPC64_ADDR16_HIGHESTA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like ADDR64, but may be unaligned. */
|
/* Like ADDR64, but may be unaligned. */
|
HOWTO (R_PPC64_UADDR64, /* type */
|
HOWTO (R_PPC64_UADDR64, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_UADDR64", /* name */
|
"R_PPC64_UADDR64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 64-bit relative relocation. */
|
/* 64-bit relative relocation. */
|
HOWTO (R_PPC64_REL64, /* type */
|
HOWTO (R_PPC64_REL64, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_REL64", /* name */
|
"R_PPC64_REL64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* 64-bit relocation to the symbol's procedure linkage table. */
|
/* 64-bit relocation to the symbol's procedure linkage table. */
|
HOWTO (R_PPC64_PLT64, /* type */
|
HOWTO (R_PPC64_PLT64, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLT64", /* name */
|
"R_PPC64_PLT64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 64-bit PC relative relocation to the symbol's procedure linkage
|
/* 64-bit PC relative relocation to the symbol's procedure linkage
|
table. */
|
table. */
|
/* FIXME: R_PPC64_PLTREL64 not supported. */
|
/* FIXME: R_PPC64_PLTREL64 not supported. */
|
HOWTO (R_PPC64_PLTREL64, /* type */
|
HOWTO (R_PPC64_PLTREL64, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTREL64", /* name */
|
"R_PPC64_PLTREL64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* 16 bit TOC-relative relocation. */
|
/* 16 bit TOC-relative relocation. */
|
|
|
/* R_PPC64_TOC16 47 half16* S + A - .TOC. */
|
/* R_PPC64_TOC16 47 half16* S + A - .TOC. */
|
HOWTO (R_PPC64_TOC16, /* type */
|
HOWTO (R_PPC64_TOC16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_toc_reloc, /* special_function */
|
ppc64_elf_toc_reloc, /* special_function */
|
"R_PPC64_TOC16", /* name */
|
"R_PPC64_TOC16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit TOC-relative relocation without overflow. */
|
/* 16 bit TOC-relative relocation without overflow. */
|
|
|
/* R_PPC64_TOC16_LO 48 half16 #lo (S + A - .TOC.) */
|
/* R_PPC64_TOC16_LO 48 half16 #lo (S + A - .TOC.) */
|
HOWTO (R_PPC64_TOC16_LO, /* type */
|
HOWTO (R_PPC64_TOC16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_toc_reloc, /* special_function */
|
ppc64_elf_toc_reloc, /* special_function */
|
"R_PPC64_TOC16_LO", /* name */
|
"R_PPC64_TOC16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit TOC-relative relocation, high 16 bits. */
|
/* 16 bit TOC-relative relocation, high 16 bits. */
|
|
|
/* R_PPC64_TOC16_HI 49 half16 #hi (S + A - .TOC.) */
|
/* R_PPC64_TOC16_HI 49 half16 #hi (S + A - .TOC.) */
|
HOWTO (R_PPC64_TOC16_HI, /* type */
|
HOWTO (R_PPC64_TOC16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_toc_reloc, /* special_function */
|
ppc64_elf_toc_reloc, /* special_function */
|
"R_PPC64_TOC16_HI", /* name */
|
"R_PPC64_TOC16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit TOC-relative relocation, high 16 bits, plus 1 if the
|
/* 16 bit TOC-relative relocation, high 16 bits, plus 1 if the
|
contents of the low 16 bits, treated as a signed number, is
|
contents of the low 16 bits, treated as a signed number, is
|
negative. */
|
negative. */
|
|
|
/* R_PPC64_TOC16_HA 50 half16 #ha (S + A - .TOC.) */
|
/* R_PPC64_TOC16_HA 50 half16 #ha (S + A - .TOC.) */
|
HOWTO (R_PPC64_TOC16_HA, /* type */
|
HOWTO (R_PPC64_TOC16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_toc_ha_reloc, /* special_function */
|
ppc64_elf_toc_ha_reloc, /* special_function */
|
"R_PPC64_TOC16_HA", /* name */
|
"R_PPC64_TOC16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 64-bit relocation; insert value of TOC base (.TOC.). */
|
/* 64-bit relocation; insert value of TOC base (.TOC.). */
|
|
|
/* R_PPC64_TOC 51 doubleword64 .TOC. */
|
/* R_PPC64_TOC 51 doubleword64 .TOC. */
|
HOWTO (R_PPC64_TOC, /* type */
|
HOWTO (R_PPC64_TOC, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_toc64_reloc, /* special_function */
|
ppc64_elf_toc64_reloc, /* special_function */
|
"R_PPC64_TOC", /* name */
|
"R_PPC64_TOC", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_GOT16, but also informs the link editor that the
|
/* Like R_PPC64_GOT16, but also informs the link editor that the
|
value to relocate may (!) refer to a PLT entry which the link
|
value to relocate may (!) refer to a PLT entry which the link
|
editor (a) may replace with the symbol value. If the link editor
|
editor (a) may replace with the symbol value. If the link editor
|
is unable to fully resolve the symbol, it may (b) create a PLT
|
is unable to fully resolve the symbol, it may (b) create a PLT
|
entry and store the address to the new PLT entry in the GOT.
|
entry and store the address to the new PLT entry in the GOT.
|
This permits lazy resolution of function symbols at run time.
|
This permits lazy resolution of function symbols at run time.
|
The link editor may also skip all of this and just (c) emit a
|
The link editor may also skip all of this and just (c) emit a
|
R_PPC64_GLOB_DAT to tie the symbol to the GOT entry. */
|
R_PPC64_GLOB_DAT to tie the symbol to the GOT entry. */
|
/* FIXME: R_PPC64_PLTGOT16 not implemented. */
|
/* FIXME: R_PPC64_PLTGOT16 not implemented. */
|
HOWTO (R_PPC64_PLTGOT16, /* type */
|
HOWTO (R_PPC64_PLTGOT16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTGOT16", /* name */
|
"R_PPC64_PLTGOT16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_PLTGOT16, but without overflow. */
|
/* Like R_PPC64_PLTGOT16, but without overflow. */
|
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
|
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
|
HOWTO (R_PPC64_PLTGOT16_LO, /* type */
|
HOWTO (R_PPC64_PLTGOT16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTGOT16_LO", /* name */
|
"R_PPC64_PLTGOT16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address. */
|
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address. */
|
/* FIXME: R_PPC64_PLTGOT16_HI not implemented. */
|
/* FIXME: R_PPC64_PLTGOT16_HI not implemented. */
|
HOWTO (R_PPC64_PLTGOT16_HI, /* type */
|
HOWTO (R_PPC64_PLTGOT16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTGOT16_HI", /* name */
|
"R_PPC64_PLTGOT16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address, plus
|
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address, plus
|
1 if the contents of the low 16 bits, treated as a signed number,
|
1 if the contents of the low 16 bits, treated as a signed number,
|
is negative. */
|
is negative. */
|
/* FIXME: R_PPC64_PLTGOT16_HA not implemented. */
|
/* FIXME: R_PPC64_PLTGOT16_HA not implemented. */
|
HOWTO (R_PPC64_PLTGOT16_HA, /* type */
|
HOWTO (R_PPC64_PLTGOT16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTGOT16_HA", /* name */
|
"R_PPC64_PLTGOT16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16, but for instructions with a DS field. */
|
/* Like R_PPC64_ADDR16, but for instructions with a DS field. */
|
HOWTO (R_PPC64_ADDR16_DS, /* type */
|
HOWTO (R_PPC64_ADDR16_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16_DS", /* name */
|
"R_PPC64_ADDR16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_ADDR16_LO, but for instructions with a DS field. */
|
/* Like R_PPC64_ADDR16_LO, but for instructions with a DS field. */
|
HOWTO (R_PPC64_ADDR16_LO_DS, /* type */
|
HOWTO (R_PPC64_ADDR16_LO_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_ADDR16_LO_DS",/* name */
|
"R_PPC64_ADDR16_LO_DS",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_GOT16, but for instructions with a DS field. */
|
/* Like R_PPC64_GOT16, but for instructions with a DS field. */
|
HOWTO (R_PPC64_GOT16_DS, /* type */
|
HOWTO (R_PPC64_GOT16_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT16_DS", /* name */
|
"R_PPC64_GOT16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_GOT16_LO, but for instructions with a DS field. */
|
/* Like R_PPC64_GOT16_LO, but for instructions with a DS field. */
|
HOWTO (R_PPC64_GOT16_LO_DS, /* type */
|
HOWTO (R_PPC64_GOT16_LO_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT16_LO_DS", /* name */
|
"R_PPC64_GOT16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_PLT16_LO, but for instructions with a DS field. */
|
/* Like R_PPC64_PLT16_LO, but for instructions with a DS field. */
|
HOWTO (R_PPC64_PLT16_LO_DS, /* type */
|
HOWTO (R_PPC64_PLT16_LO_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLT16_LO_DS", /* name */
|
"R_PPC64_PLT16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_SECTOFF, but for instructions with a DS field. */
|
/* Like R_PPC64_SECTOFF, but for instructions with a DS field. */
|
HOWTO (R_PPC64_SECTOFF_DS, /* type */
|
HOWTO (R_PPC64_SECTOFF_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
"R_PPC64_SECTOFF_DS", /* name */
|
"R_PPC64_SECTOFF_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_SECTOFF_LO, but for instructions with a DS field. */
|
/* Like R_PPC64_SECTOFF_LO, but for instructions with a DS field. */
|
HOWTO (R_PPC64_SECTOFF_LO_DS, /* type */
|
HOWTO (R_PPC64_SECTOFF_LO_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
ppc64_elf_sectoff_reloc, /* special_function */
|
"R_PPC64_SECTOFF_LO_DS",/* name */
|
"R_PPC64_SECTOFF_LO_DS",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_TOC16, but for instructions with a DS field. */
|
/* Like R_PPC64_TOC16, but for instructions with a DS field. */
|
HOWTO (R_PPC64_TOC16_DS, /* type */
|
HOWTO (R_PPC64_TOC16_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_toc_reloc, /* special_function */
|
ppc64_elf_toc_reloc, /* special_function */
|
"R_PPC64_TOC16_DS", /* name */
|
"R_PPC64_TOC16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_TOC16_LO, but for instructions with a DS field. */
|
/* Like R_PPC64_TOC16_LO, but for instructions with a DS field. */
|
HOWTO (R_PPC64_TOC16_LO_DS, /* type */
|
HOWTO (R_PPC64_TOC16_LO_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_toc_reloc, /* special_function */
|
ppc64_elf_toc_reloc, /* special_function */
|
"R_PPC64_TOC16_LO_DS", /* name */
|
"R_PPC64_TOC16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_PLTGOT16, but for instructions with a DS field. */
|
/* Like R_PPC64_PLTGOT16, but for instructions with a DS field. */
|
/* FIXME: R_PPC64_PLTGOT16_DS not implemented. */
|
/* FIXME: R_PPC64_PLTGOT16_DS not implemented. */
|
HOWTO (R_PPC64_PLTGOT16_DS, /* type */
|
HOWTO (R_PPC64_PLTGOT16_DS, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTGOT16_DS", /* name */
|
"R_PPC64_PLTGOT16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC64_PLTGOT16_LO, but for instructions with a DS field. */
|
/* Like R_PPC64_PLTGOT16_LO, but for instructions with a DS field. */
|
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
|
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
|
HOWTO (R_PPC64_PLTGOT16_LO_DS,/* type */
|
HOWTO (R_PPC64_PLTGOT16_LO_DS,/* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_PLTGOT16_LO_DS",/* name */
|
"R_PPC64_PLTGOT16_LO_DS",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Marker reloc for TLS. */
|
/* Marker reloc for TLS. */
|
HOWTO (R_PPC64_TLS,
|
HOWTO (R_PPC64_TLS,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC64_TLS", /* name */
|
"R_PPC64_TLS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Computes the load module index of the load module that contains the
|
/* Computes the load module index of the load module that contains the
|
definition of its TLS sym. */
|
definition of its TLS sym. */
|
HOWTO (R_PPC64_DTPMOD64,
|
HOWTO (R_PPC64_DTPMOD64,
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPMOD64", /* name */
|
"R_PPC64_DTPMOD64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Computes a dtv-relative displacement, the difference between the value
|
/* Computes a dtv-relative displacement, the difference between the value
|
of sym+add and the base address of the thread-local storage block that
|
of sym+add and the base address of the thread-local storage block that
|
contains the definition of sym, minus 0x8000. */
|
contains the definition of sym, minus 0x8000. */
|
HOWTO (R_PPC64_DTPREL64,
|
HOWTO (R_PPC64_DTPREL64,
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL64", /* name */
|
"R_PPC64_DTPREL64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A 16 bit dtprel reloc. */
|
/* A 16 bit dtprel reloc. */
|
HOWTO (R_PPC64_DTPREL16,
|
HOWTO (R_PPC64_DTPREL16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16", /* name */
|
"R_PPC64_DTPREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16, but no overflow. */
|
/* Like DTPREL16, but no overflow. */
|
HOWTO (R_PPC64_DTPREL16_LO,
|
HOWTO (R_PPC64_DTPREL16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_LO", /* name */
|
"R_PPC64_DTPREL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_LO, but next higher group of 16 bits. */
|
/* Like DTPREL16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_DTPREL16_HI,
|
HOWTO (R_PPC64_DTPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_HI", /* name */
|
"R_PPC64_DTPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_HI, but adjust for low 16 bits. */
|
/* Like DTPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_DTPREL16_HA,
|
HOWTO (R_PPC64_DTPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_HA", /* name */
|
"R_PPC64_DTPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_HI, but next higher group of 16 bits. */
|
/* Like DTPREL16_HI, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_DTPREL16_HIGHER,
|
HOWTO (R_PPC64_DTPREL16_HIGHER,
|
32, /* rightshift */
|
32, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_HIGHER", /* name */
|
"R_PPC64_DTPREL16_HIGHER", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_HIGHER, but adjust for low 16 bits. */
|
/* Like DTPREL16_HIGHER, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_DTPREL16_HIGHERA,
|
HOWTO (R_PPC64_DTPREL16_HIGHERA,
|
32, /* rightshift */
|
32, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_HIGHERA", /* name */
|
"R_PPC64_DTPREL16_HIGHERA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_HIGHER, but next higher group of 16 bits. */
|
/* Like DTPREL16_HIGHER, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_DTPREL16_HIGHEST,
|
HOWTO (R_PPC64_DTPREL16_HIGHEST,
|
48, /* rightshift */
|
48, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_HIGHEST", /* name */
|
"R_PPC64_DTPREL16_HIGHEST", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_HIGHEST, but adjust for low 16 bits. */
|
/* Like DTPREL16_HIGHEST, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_DTPREL16_HIGHESTA,
|
HOWTO (R_PPC64_DTPREL16_HIGHESTA,
|
48, /* rightshift */
|
48, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_HIGHESTA", /* name */
|
"R_PPC64_DTPREL16_HIGHESTA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16, but for insns with a DS field. */
|
/* Like DTPREL16, but for insns with a DS field. */
|
HOWTO (R_PPC64_DTPREL16_DS,
|
HOWTO (R_PPC64_DTPREL16_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_DS", /* name */
|
"R_PPC64_DTPREL16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_DS, but no overflow. */
|
/* Like DTPREL16_DS, but no overflow. */
|
HOWTO (R_PPC64_DTPREL16_LO_DS,
|
HOWTO (R_PPC64_DTPREL16_LO_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_DTPREL16_LO_DS", /* name */
|
"R_PPC64_DTPREL16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Computes a tp-relative displacement, the difference between the value of
|
/* Computes a tp-relative displacement, the difference between the value of
|
sym+add and the value of the thread pointer (r13). */
|
sym+add and the value of the thread pointer (r13). */
|
HOWTO (R_PPC64_TPREL64,
|
HOWTO (R_PPC64_TPREL64,
|
0, /* rightshift */
|
0, /* rightshift */
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
64, /* bitsize */
|
64, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL64", /* name */
|
"R_PPC64_TPREL64", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
ONES (64), /* dst_mask */
|
ONES (64), /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A 16 bit tprel reloc. */
|
/* A 16 bit tprel reloc. */
|
HOWTO (R_PPC64_TPREL16,
|
HOWTO (R_PPC64_TPREL16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16", /* name */
|
"R_PPC64_TPREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16, but no overflow. */
|
/* Like TPREL16, but no overflow. */
|
HOWTO (R_PPC64_TPREL16_LO,
|
HOWTO (R_PPC64_TPREL16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_LO", /* name */
|
"R_PPC64_TPREL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_LO, but next higher group of 16 bits. */
|
/* Like TPREL16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_TPREL16_HI,
|
HOWTO (R_PPC64_TPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_HI", /* name */
|
"R_PPC64_TPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_HI, but adjust for low 16 bits. */
|
/* Like TPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_TPREL16_HA,
|
HOWTO (R_PPC64_TPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_HA", /* name */
|
"R_PPC64_TPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_HI, but next higher group of 16 bits. */
|
/* Like TPREL16_HI, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_TPREL16_HIGHER,
|
HOWTO (R_PPC64_TPREL16_HIGHER,
|
32, /* rightshift */
|
32, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_HIGHER", /* name */
|
"R_PPC64_TPREL16_HIGHER", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_HIGHER, but adjust for low 16 bits. */
|
/* Like TPREL16_HIGHER, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_TPREL16_HIGHERA,
|
HOWTO (R_PPC64_TPREL16_HIGHERA,
|
32, /* rightshift */
|
32, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_HIGHERA", /* name */
|
"R_PPC64_TPREL16_HIGHERA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_HIGHER, but next higher group of 16 bits. */
|
/* Like TPREL16_HIGHER, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_TPREL16_HIGHEST,
|
HOWTO (R_PPC64_TPREL16_HIGHEST,
|
48, /* rightshift */
|
48, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_HIGHEST", /* name */
|
"R_PPC64_TPREL16_HIGHEST", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_HIGHEST, but adjust for low 16 bits. */
|
/* Like TPREL16_HIGHEST, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_TPREL16_HIGHESTA,
|
HOWTO (R_PPC64_TPREL16_HIGHESTA,
|
48, /* rightshift */
|
48, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_HIGHESTA", /* name */
|
"R_PPC64_TPREL16_HIGHESTA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16, but for insns with a DS field. */
|
/* Like TPREL16, but for insns with a DS field. */
|
HOWTO (R_PPC64_TPREL16_DS,
|
HOWTO (R_PPC64_TPREL16_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_DS", /* name */
|
"R_PPC64_TPREL16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_DS, but no overflow. */
|
/* Like TPREL16_DS, but no overflow. */
|
HOWTO (R_PPC64_TPREL16_LO_DS,
|
HOWTO (R_PPC64_TPREL16_LO_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_TPREL16_LO_DS", /* name */
|
"R_PPC64_TPREL16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
|
with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
|
to the first entry relative to the TOC base (r2). */
|
to the first entry relative to the TOC base (r2). */
|
HOWTO (R_PPC64_GOT_TLSGD16,
|
HOWTO (R_PPC64_GOT_TLSGD16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSGD16", /* name */
|
"R_PPC64_GOT_TLSGD16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSGD16, but no overflow. */
|
/* Like GOT_TLSGD16, but no overflow. */
|
HOWTO (R_PPC64_GOT_TLSGD16_LO,
|
HOWTO (R_PPC64_GOT_TLSGD16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSGD16_LO", /* name */
|
"R_PPC64_GOT_TLSGD16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
|
/* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_GOT_TLSGD16_HI,
|
HOWTO (R_PPC64_GOT_TLSGD16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSGD16_HI", /* name */
|
"R_PPC64_GOT_TLSGD16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
|
/* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_GOT_TLSGD16_HA,
|
HOWTO (R_PPC64_GOT_TLSGD16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSGD16_HA", /* name */
|
"R_PPC64_GOT_TLSGD16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
with values (sym+add)@dtpmod and zero, and computes the offset to the
|
with values (sym+add)@dtpmod and zero, and computes the offset to the
|
first entry relative to the TOC base (r2). */
|
first entry relative to the TOC base (r2). */
|
HOWTO (R_PPC64_GOT_TLSLD16,
|
HOWTO (R_PPC64_GOT_TLSLD16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSLD16", /* name */
|
"R_PPC64_GOT_TLSLD16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSLD16, but no overflow. */
|
/* Like GOT_TLSLD16, but no overflow. */
|
HOWTO (R_PPC64_GOT_TLSLD16_LO,
|
HOWTO (R_PPC64_GOT_TLSLD16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSLD16_LO", /* name */
|
"R_PPC64_GOT_TLSLD16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
|
/* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_GOT_TLSLD16_HI,
|
HOWTO (R_PPC64_GOT_TLSLD16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSLD16_HI", /* name */
|
"R_PPC64_GOT_TLSLD16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
|
/* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_GOT_TLSLD16_HA,
|
HOWTO (R_PPC64_GOT_TLSLD16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TLSLD16_HA", /* name */
|
"R_PPC64_GOT_TLSLD16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
|
/* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
|
the offset to the entry relative to the TOC base (r2). */
|
the offset to the entry relative to the TOC base (r2). */
|
HOWTO (R_PPC64_GOT_DTPREL16_DS,
|
HOWTO (R_PPC64_GOT_DTPREL16_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_DTPREL16_DS", /* name */
|
"R_PPC64_GOT_DTPREL16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_DTPREL16_DS, but no overflow. */
|
/* Like GOT_DTPREL16_DS, but no overflow. */
|
HOWTO (R_PPC64_GOT_DTPREL16_LO_DS,
|
HOWTO (R_PPC64_GOT_DTPREL16_LO_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_DTPREL16_LO_DS", /* name */
|
"R_PPC64_GOT_DTPREL16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_DTPREL16_LO_DS, but next higher group of 16 bits. */
|
/* Like GOT_DTPREL16_LO_DS, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_GOT_DTPREL16_HI,
|
HOWTO (R_PPC64_GOT_DTPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_DTPREL16_HI", /* name */
|
"R_PPC64_GOT_DTPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
|
/* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_GOT_DTPREL16_HA,
|
HOWTO (R_PPC64_GOT_DTPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_DTPREL16_HA", /* name */
|
"R_PPC64_GOT_DTPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
|
/* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
|
offset to the entry relative to the TOC base (r2). */
|
offset to the entry relative to the TOC base (r2). */
|
HOWTO (R_PPC64_GOT_TPREL16_DS,
|
HOWTO (R_PPC64_GOT_TPREL16_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TPREL16_DS", /* name */
|
"R_PPC64_GOT_TPREL16_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TPREL16_DS, but no overflow. */
|
/* Like GOT_TPREL16_DS, but no overflow. */
|
HOWTO (R_PPC64_GOT_TPREL16_LO_DS,
|
HOWTO (R_PPC64_GOT_TPREL16_LO_DS,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TPREL16_LO_DS", /* name */
|
"R_PPC64_GOT_TPREL16_LO_DS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TPREL16_LO_DS, but next higher group of 16 bits. */
|
/* Like GOT_TPREL16_LO_DS, but next higher group of 16 bits. */
|
HOWTO (R_PPC64_GOT_TPREL16_HI,
|
HOWTO (R_PPC64_GOT_TPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TPREL16_HI", /* name */
|
"R_PPC64_GOT_TPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
|
/* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC64_GOT_TPREL16_HA,
|
HOWTO (R_PPC64_GOT_TPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
ppc64_elf_unhandled_reloc, /* special_function */
|
"R_PPC64_GOT_TPREL16_HA", /* name */
|
"R_PPC64_GOT_TPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable hierarchy. */
|
/* GNU extension to record C++ vtable hierarchy. */
|
HOWTO (R_PPC64_GNU_VTINHERIT, /* type */
|
HOWTO (R_PPC64_GNU_VTINHERIT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
NULL, /* special_function */
|
NULL, /* special_function */
|
"R_PPC64_GNU_VTINHERIT", /* name */
|
"R_PPC64_GNU_VTINHERIT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable member usage. */
|
/* GNU extension to record C++ vtable member usage. */
|
HOWTO (R_PPC64_GNU_VTENTRY, /* type */
|
HOWTO (R_PPC64_GNU_VTENTRY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
NULL, /* special_function */
|
NULL, /* special_function */
|
"R_PPC64_GNU_VTENTRY", /* name */
|
"R_PPC64_GNU_VTENTRY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
};
|
};
|
|
|
|
|
/* Initialize the ppc64_elf_howto_table, so that linear accesses can
|
/* Initialize the ppc64_elf_howto_table, so that linear accesses can
|
be done. */
|
be done. */
|
|
|
static void
|
static void
|
ppc_howto_init (void)
|
ppc_howto_init (void)
|
{
|
{
|
unsigned int i, type;
|
unsigned int i, type;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
|
i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
|
i++)
|
i++)
|
{
|
{
|
type = ppc64_elf_howto_raw[i].type;
|
type = ppc64_elf_howto_raw[i].type;
|
BFD_ASSERT (type < (sizeof (ppc64_elf_howto_table)
|
BFD_ASSERT (type < (sizeof (ppc64_elf_howto_table)
|
/ sizeof (ppc64_elf_howto_table[0])));
|
/ sizeof (ppc64_elf_howto_table[0])));
|
ppc64_elf_howto_table[type] = &ppc64_elf_howto_raw[i];
|
ppc64_elf_howto_table[type] = &ppc64_elf_howto_raw[i];
|
}
|
}
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
ppc64_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc64_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_reloc_code_real_type code)
|
bfd_reloc_code_real_type code)
|
{
|
{
|
enum elf_ppc64_reloc_type r = R_PPC64_NONE;
|
enum elf_ppc64_reloc_type r = R_PPC64_NONE;
|
|
|
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
|
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
|
/* Initialize howto table if needed. */
|
/* Initialize howto table if needed. */
|
ppc_howto_init ();
|
ppc_howto_init ();
|
|
|
switch (code)
|
switch (code)
|
{
|
{
|
default:
|
default:
|
return NULL;
|
return NULL;
|
|
|
case BFD_RELOC_NONE: r = R_PPC64_NONE;
|
case BFD_RELOC_NONE: r = R_PPC64_NONE;
|
break;
|
break;
|
case BFD_RELOC_32: r = R_PPC64_ADDR32;
|
case BFD_RELOC_32: r = R_PPC64_ADDR32;
|
break;
|
break;
|
case BFD_RELOC_PPC_BA26: r = R_PPC64_ADDR24;
|
case BFD_RELOC_PPC_BA26: r = R_PPC64_ADDR24;
|
break;
|
break;
|
case BFD_RELOC_16: r = R_PPC64_ADDR16;
|
case BFD_RELOC_16: r = R_PPC64_ADDR16;
|
break;
|
break;
|
case BFD_RELOC_LO16: r = R_PPC64_ADDR16_LO;
|
case BFD_RELOC_LO16: r = R_PPC64_ADDR16_LO;
|
break;
|
break;
|
case BFD_RELOC_HI16: r = R_PPC64_ADDR16_HI;
|
case BFD_RELOC_HI16: r = R_PPC64_ADDR16_HI;
|
break;
|
break;
|
case BFD_RELOC_HI16_S: r = R_PPC64_ADDR16_HA;
|
case BFD_RELOC_HI16_S: r = R_PPC64_ADDR16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_BA16: r = R_PPC64_ADDR14;
|
case BFD_RELOC_PPC_BA16: r = R_PPC64_ADDR14;
|
break;
|
break;
|
case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC64_ADDR14_BRTAKEN;
|
case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC64_ADDR14_BRTAKEN;
|
break;
|
break;
|
case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC64_ADDR14_BRNTAKEN;
|
case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC64_ADDR14_BRNTAKEN;
|
break;
|
break;
|
case BFD_RELOC_PPC_B26: r = R_PPC64_REL24;
|
case BFD_RELOC_PPC_B26: r = R_PPC64_REL24;
|
break;
|
break;
|
case BFD_RELOC_PPC_B16: r = R_PPC64_REL14;
|
case BFD_RELOC_PPC_B16: r = R_PPC64_REL14;
|
break;
|
break;
|
case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC64_REL14_BRTAKEN;
|
case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC64_REL14_BRTAKEN;
|
break;
|
break;
|
case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC64_REL14_BRNTAKEN;
|
case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC64_REL14_BRNTAKEN;
|
break;
|
break;
|
case BFD_RELOC_16_GOTOFF: r = R_PPC64_GOT16;
|
case BFD_RELOC_16_GOTOFF: r = R_PPC64_GOT16;
|
break;
|
break;
|
case BFD_RELOC_LO16_GOTOFF: r = R_PPC64_GOT16_LO;
|
case BFD_RELOC_LO16_GOTOFF: r = R_PPC64_GOT16_LO;
|
break;
|
break;
|
case BFD_RELOC_HI16_GOTOFF: r = R_PPC64_GOT16_HI;
|
case BFD_RELOC_HI16_GOTOFF: r = R_PPC64_GOT16_HI;
|
break;
|
break;
|
case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC64_GOT16_HA;
|
case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC64_GOT16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_COPY: r = R_PPC64_COPY;
|
case BFD_RELOC_PPC_COPY: r = R_PPC64_COPY;
|
break;
|
break;
|
case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC64_GLOB_DAT;
|
case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC64_GLOB_DAT;
|
break;
|
break;
|
case BFD_RELOC_32_PCREL: r = R_PPC64_REL32;
|
case BFD_RELOC_32_PCREL: r = R_PPC64_REL32;
|
break;
|
break;
|
case BFD_RELOC_32_PLTOFF: r = R_PPC64_PLT32;
|
case BFD_RELOC_32_PLTOFF: r = R_PPC64_PLT32;
|
break;
|
break;
|
case BFD_RELOC_32_PLT_PCREL: r = R_PPC64_PLTREL32;
|
case BFD_RELOC_32_PLT_PCREL: r = R_PPC64_PLTREL32;
|
break;
|
break;
|
case BFD_RELOC_LO16_PLTOFF: r = R_PPC64_PLT16_LO;
|
case BFD_RELOC_LO16_PLTOFF: r = R_PPC64_PLT16_LO;
|
break;
|
break;
|
case BFD_RELOC_HI16_PLTOFF: r = R_PPC64_PLT16_HI;
|
case BFD_RELOC_HI16_PLTOFF: r = R_PPC64_PLT16_HI;
|
break;
|
break;
|
case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC64_PLT16_HA;
|
case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC64_PLT16_HA;
|
break;
|
break;
|
case BFD_RELOC_16_BASEREL: r = R_PPC64_SECTOFF;
|
case BFD_RELOC_16_BASEREL: r = R_PPC64_SECTOFF;
|
break;
|
break;
|
case BFD_RELOC_LO16_BASEREL: r = R_PPC64_SECTOFF_LO;
|
case BFD_RELOC_LO16_BASEREL: r = R_PPC64_SECTOFF_LO;
|
break;
|
break;
|
case BFD_RELOC_HI16_BASEREL: r = R_PPC64_SECTOFF_HI;
|
case BFD_RELOC_HI16_BASEREL: r = R_PPC64_SECTOFF_HI;
|
break;
|
break;
|
case BFD_RELOC_HI16_S_BASEREL: r = R_PPC64_SECTOFF_HA;
|
case BFD_RELOC_HI16_S_BASEREL: r = R_PPC64_SECTOFF_HA;
|
break;
|
break;
|
case BFD_RELOC_CTOR: r = R_PPC64_ADDR64;
|
case BFD_RELOC_CTOR: r = R_PPC64_ADDR64;
|
break;
|
break;
|
case BFD_RELOC_64: r = R_PPC64_ADDR64;
|
case BFD_RELOC_64: r = R_PPC64_ADDR64;
|
break;
|
break;
|
case BFD_RELOC_PPC64_HIGHER: r = R_PPC64_ADDR16_HIGHER;
|
case BFD_RELOC_PPC64_HIGHER: r = R_PPC64_ADDR16_HIGHER;
|
break;
|
break;
|
case BFD_RELOC_PPC64_HIGHER_S: r = R_PPC64_ADDR16_HIGHERA;
|
case BFD_RELOC_PPC64_HIGHER_S: r = R_PPC64_ADDR16_HIGHERA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_HIGHEST: r = R_PPC64_ADDR16_HIGHEST;
|
case BFD_RELOC_PPC64_HIGHEST: r = R_PPC64_ADDR16_HIGHEST;
|
break;
|
break;
|
case BFD_RELOC_PPC64_HIGHEST_S: r = R_PPC64_ADDR16_HIGHESTA;
|
case BFD_RELOC_PPC64_HIGHEST_S: r = R_PPC64_ADDR16_HIGHESTA;
|
break;
|
break;
|
case BFD_RELOC_64_PCREL: r = R_PPC64_REL64;
|
case BFD_RELOC_64_PCREL: r = R_PPC64_REL64;
|
break;
|
break;
|
case BFD_RELOC_64_PLTOFF: r = R_PPC64_PLT64;
|
case BFD_RELOC_64_PLTOFF: r = R_PPC64_PLT64;
|
break;
|
break;
|
case BFD_RELOC_64_PLT_PCREL: r = R_PPC64_PLTREL64;
|
case BFD_RELOC_64_PLT_PCREL: r = R_PPC64_PLTREL64;
|
break;
|
break;
|
case BFD_RELOC_PPC_TOC16: r = R_PPC64_TOC16;
|
case BFD_RELOC_PPC_TOC16: r = R_PPC64_TOC16;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TOC16_LO: r = R_PPC64_TOC16_LO;
|
case BFD_RELOC_PPC64_TOC16_LO: r = R_PPC64_TOC16_LO;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TOC16_HI: r = R_PPC64_TOC16_HI;
|
case BFD_RELOC_PPC64_TOC16_HI: r = R_PPC64_TOC16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TOC16_HA: r = R_PPC64_TOC16_HA;
|
case BFD_RELOC_PPC64_TOC16_HA: r = R_PPC64_TOC16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TOC: r = R_PPC64_TOC;
|
case BFD_RELOC_PPC64_TOC: r = R_PPC64_TOC;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLTGOT16: r = R_PPC64_PLTGOT16;
|
case BFD_RELOC_PPC64_PLTGOT16: r = R_PPC64_PLTGOT16;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLTGOT16_LO: r = R_PPC64_PLTGOT16_LO;
|
case BFD_RELOC_PPC64_PLTGOT16_LO: r = R_PPC64_PLTGOT16_LO;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLTGOT16_HI: r = R_PPC64_PLTGOT16_HI;
|
case BFD_RELOC_PPC64_PLTGOT16_HI: r = R_PPC64_PLTGOT16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLTGOT16_HA: r = R_PPC64_PLTGOT16_HA;
|
case BFD_RELOC_PPC64_PLTGOT16_HA: r = R_PPC64_PLTGOT16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_ADDR16_DS: r = R_PPC64_ADDR16_DS;
|
case BFD_RELOC_PPC64_ADDR16_DS: r = R_PPC64_ADDR16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_ADDR16_LO_DS: r = R_PPC64_ADDR16_LO_DS;
|
case BFD_RELOC_PPC64_ADDR16_LO_DS: r = R_PPC64_ADDR16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_GOT16_DS: r = R_PPC64_GOT16_DS;
|
case BFD_RELOC_PPC64_GOT16_DS: r = R_PPC64_GOT16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_GOT16_LO_DS: r = R_PPC64_GOT16_LO_DS;
|
case BFD_RELOC_PPC64_GOT16_LO_DS: r = R_PPC64_GOT16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLT16_LO_DS: r = R_PPC64_PLT16_LO_DS;
|
case BFD_RELOC_PPC64_PLT16_LO_DS: r = R_PPC64_PLT16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_SECTOFF_DS: r = R_PPC64_SECTOFF_DS;
|
case BFD_RELOC_PPC64_SECTOFF_DS: r = R_PPC64_SECTOFF_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_SECTOFF_LO_DS: r = R_PPC64_SECTOFF_LO_DS;
|
case BFD_RELOC_PPC64_SECTOFF_LO_DS: r = R_PPC64_SECTOFF_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TOC16_DS: r = R_PPC64_TOC16_DS;
|
case BFD_RELOC_PPC64_TOC16_DS: r = R_PPC64_TOC16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TOC16_LO_DS: r = R_PPC64_TOC16_LO_DS;
|
case BFD_RELOC_PPC64_TOC16_LO_DS: r = R_PPC64_TOC16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLTGOT16_DS: r = R_PPC64_PLTGOT16_DS;
|
case BFD_RELOC_PPC64_PLTGOT16_DS: r = R_PPC64_PLTGOT16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_PLTGOT16_LO_DS: r = R_PPC64_PLTGOT16_LO_DS;
|
case BFD_RELOC_PPC64_PLTGOT16_LO_DS: r = R_PPC64_PLTGOT16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC_TLS: r = R_PPC64_TLS;
|
case BFD_RELOC_PPC_TLS: r = R_PPC64_TLS;
|
break;
|
break;
|
case BFD_RELOC_PPC_DTPMOD: r = R_PPC64_DTPMOD64;
|
case BFD_RELOC_PPC_DTPMOD: r = R_PPC64_DTPMOD64;
|
break;
|
break;
|
case BFD_RELOC_PPC_TPREL16: r = R_PPC64_TPREL16;
|
case BFD_RELOC_PPC_TPREL16: r = R_PPC64_TPREL16;
|
break;
|
break;
|
case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC64_TPREL16_LO;
|
case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC64_TPREL16_LO;
|
break;
|
break;
|
case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC64_TPREL16_HI;
|
case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC64_TPREL16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC64_TPREL16_HA;
|
case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC64_TPREL16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_TPREL: r = R_PPC64_TPREL64;
|
case BFD_RELOC_PPC_TPREL: r = R_PPC64_TPREL64;
|
break;
|
break;
|
case BFD_RELOC_PPC_DTPREL16: r = R_PPC64_DTPREL16;
|
case BFD_RELOC_PPC_DTPREL16: r = R_PPC64_DTPREL16;
|
break;
|
break;
|
case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC64_DTPREL16_LO;
|
case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC64_DTPREL16_LO;
|
break;
|
break;
|
case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC64_DTPREL16_HI;
|
case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC64_DTPREL16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC64_DTPREL16_HA;
|
case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC64_DTPREL16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_DTPREL: r = R_PPC64_DTPREL64;
|
case BFD_RELOC_PPC_DTPREL: r = R_PPC64_DTPREL64;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC64_GOT_TLSGD16;
|
case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC64_GOT_TLSGD16;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC64_GOT_TLSGD16_LO;
|
case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC64_GOT_TLSGD16_LO;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC64_GOT_TLSGD16_HI;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC64_GOT_TLSGD16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC64_GOT_TLSGD16_HA;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC64_GOT_TLSGD16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC64_GOT_TLSLD16;
|
case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC64_GOT_TLSLD16;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC64_GOT_TLSLD16_LO;
|
case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC64_GOT_TLSLD16_LO;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC64_GOT_TLSLD16_HI;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC64_GOT_TLSLD16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC64_GOT_TLSLD16_HA;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC64_GOT_TLSLD16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC64_GOT_TPREL16_DS;
|
case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC64_GOT_TPREL16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC64_GOT_TPREL16_LO_DS;
|
case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC64_GOT_TPREL16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC64_GOT_TPREL16_HI;
|
case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC64_GOT_TPREL16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC64_GOT_TPREL16_HA;
|
case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC64_GOT_TPREL16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC64_GOT_DTPREL16_DS;
|
case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC64_GOT_DTPREL16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC64_GOT_DTPREL16_LO_DS;
|
case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC64_GOT_DTPREL16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC64_GOT_DTPREL16_HI;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC64_GOT_DTPREL16_HI;
|
break;
|
break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC64_GOT_DTPREL16_HA;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC64_GOT_DTPREL16_HA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TPREL16_DS: r = R_PPC64_TPREL16_DS;
|
case BFD_RELOC_PPC64_TPREL16_DS: r = R_PPC64_TPREL16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TPREL16_LO_DS: r = R_PPC64_TPREL16_LO_DS;
|
case BFD_RELOC_PPC64_TPREL16_LO_DS: r = R_PPC64_TPREL16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TPREL16_HIGHER: r = R_PPC64_TPREL16_HIGHER;
|
case BFD_RELOC_PPC64_TPREL16_HIGHER: r = R_PPC64_TPREL16_HIGHER;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TPREL16_HIGHERA: r = R_PPC64_TPREL16_HIGHERA;
|
case BFD_RELOC_PPC64_TPREL16_HIGHERA: r = R_PPC64_TPREL16_HIGHERA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TPREL16_HIGHEST: r = R_PPC64_TPREL16_HIGHEST;
|
case BFD_RELOC_PPC64_TPREL16_HIGHEST: r = R_PPC64_TPREL16_HIGHEST;
|
break;
|
break;
|
case BFD_RELOC_PPC64_TPREL16_HIGHESTA: r = R_PPC64_TPREL16_HIGHESTA;
|
case BFD_RELOC_PPC64_TPREL16_HIGHESTA: r = R_PPC64_TPREL16_HIGHESTA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_DTPREL16_DS: r = R_PPC64_DTPREL16_DS;
|
case BFD_RELOC_PPC64_DTPREL16_DS: r = R_PPC64_DTPREL16_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_DTPREL16_LO_DS: r = R_PPC64_DTPREL16_LO_DS;
|
case BFD_RELOC_PPC64_DTPREL16_LO_DS: r = R_PPC64_DTPREL16_LO_DS;
|
break;
|
break;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHER: r = R_PPC64_DTPREL16_HIGHER;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHER: r = R_PPC64_DTPREL16_HIGHER;
|
break;
|
break;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHERA: r = R_PPC64_DTPREL16_HIGHERA;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHERA: r = R_PPC64_DTPREL16_HIGHERA;
|
break;
|
break;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHEST: r = R_PPC64_DTPREL16_HIGHEST;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHEST: r = R_PPC64_DTPREL16_HIGHEST;
|
break;
|
break;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: r = R_PPC64_DTPREL16_HIGHESTA;
|
case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: r = R_PPC64_DTPREL16_HIGHESTA;
|
break;
|
break;
|
case BFD_RELOC_VTABLE_INHERIT: r = R_PPC64_GNU_VTINHERIT;
|
case BFD_RELOC_VTABLE_INHERIT: r = R_PPC64_GNU_VTINHERIT;
|
break;
|
break;
|
case BFD_RELOC_VTABLE_ENTRY: r = R_PPC64_GNU_VTENTRY;
|
case BFD_RELOC_VTABLE_ENTRY: r = R_PPC64_GNU_VTENTRY;
|
break;
|
break;
|
}
|
}
|
|
|
return ppc64_elf_howto_table[r];
|
return ppc64_elf_howto_table[r];
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
ppc64_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc64_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
|
i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
|
i++)
|
i++)
|
if (ppc64_elf_howto_raw[i].name != NULL
|
if (ppc64_elf_howto_raw[i].name != NULL
|
&& strcasecmp (ppc64_elf_howto_raw[i].name, r_name) == 0)
|
&& strcasecmp (ppc64_elf_howto_raw[i].name, r_name) == 0)
|
return &ppc64_elf_howto_raw[i];
|
return &ppc64_elf_howto_raw[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Set the howto pointer for a PowerPC ELF reloc. */
|
/* Set the howto pointer for a PowerPC ELF reloc. */
|
|
|
static void
|
static void
|
ppc64_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
ppc64_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
Elf_Internal_Rela *dst)
|
Elf_Internal_Rela *dst)
|
{
|
{
|
unsigned int type;
|
unsigned int type;
|
|
|
/* Initialize howto table if needed. */
|
/* Initialize howto table if needed. */
|
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
|
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
|
ppc_howto_init ();
|
ppc_howto_init ();
|
|
|
type = ELF64_R_TYPE (dst->r_info);
|
type = ELF64_R_TYPE (dst->r_info);
|
if (type >= (sizeof (ppc64_elf_howto_table)
|
if (type >= (sizeof (ppc64_elf_howto_table)
|
/ sizeof (ppc64_elf_howto_table[0])))
|
/ sizeof (ppc64_elf_howto_table[0])))
|
{
|
{
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
abfd, (int) type);
|
abfd, (int) type);
|
type = R_PPC64_NONE;
|
type = R_PPC64_NONE;
|
}
|
}
|
cache_ptr->howto = ppc64_elf_howto_table[type];
|
cache_ptr->howto = ppc64_elf_howto_table[type];
|
}
|
}
|
|
|
/* Handle the R_PPC64_ADDR16_HA and similar relocs. */
|
/* Handle the R_PPC64_ADDR16_HA and similar relocs. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
/* Adjust the addend for sign extension of the low 16 bits.
|
/* Adjust the addend for sign extension of the low 16 bits.
|
We won't actually be using the low 16 bits, so trashing them
|
We won't actually be using the low 16 bits, so trashing them
|
doesn't matter. */
|
doesn't matter. */
|
reloc_entry->addend += 0x8000;
|
reloc_entry->addend += 0x8000;
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_branch_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_branch_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
if (strcmp (symbol->section->name, ".opd") == 0
|
if (strcmp (symbol->section->name, ".opd") == 0
|
&& (symbol->section->owner->flags & DYNAMIC) == 0)
|
&& (symbol->section->owner->flags & DYNAMIC) == 0)
|
{
|
{
|
bfd_vma dest = opd_entry_value (symbol->section,
|
bfd_vma dest = opd_entry_value (symbol->section,
|
symbol->value + reloc_entry->addend,
|
symbol->value + reloc_entry->addend,
|
NULL, NULL);
|
NULL, NULL);
|
if (dest != (bfd_vma) -1)
|
if (dest != (bfd_vma) -1)
|
reloc_entry->addend = dest - (symbol->value
|
reloc_entry->addend = dest - (symbol->value
|
+ symbol->section->output_section->vma
|
+ symbol->section->output_section->vma
|
+ symbol->section->output_offset);
|
+ symbol->section->output_offset);
|
}
|
}
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_brtaken_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_brtaken_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
long insn;
|
long insn;
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
bfd_size_type octets;
|
bfd_size_type octets;
|
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
|
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
|
bfd_boolean is_power4 = FALSE;
|
bfd_boolean is_power4 = FALSE;
|
|
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
|
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
|
insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
|
insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
|
insn &= ~(0x01 << 21);
|
insn &= ~(0x01 << 21);
|
r_type = reloc_entry->howto->type;
|
r_type = reloc_entry->howto->type;
|
if (r_type == R_PPC64_ADDR14_BRTAKEN
|
if (r_type == R_PPC64_ADDR14_BRTAKEN
|
|| r_type == R_PPC64_REL14_BRTAKEN)
|
|| r_type == R_PPC64_REL14_BRTAKEN)
|
insn |= 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
|
insn |= 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
|
|
|
if (is_power4)
|
if (is_power4)
|
{
|
{
|
/* Set 'a' bit. This is 0b00010 in BO field for branch
|
/* Set 'a' bit. This is 0b00010 in BO field for branch
|
on CR(BI) insns (BO == 001at or 011at), and 0b01000
|
on CR(BI) insns (BO == 001at or 011at), and 0b01000
|
for branch on CTR insns (BO == 1a00t or 1a01t). */
|
for branch on CTR insns (BO == 1a00t or 1a01t). */
|
if ((insn & (0x14 << 21)) == (0x04 << 21))
|
if ((insn & (0x14 << 21)) == (0x04 << 21))
|
insn |= 0x02 << 21;
|
insn |= 0x02 << 21;
|
else if ((insn & (0x14 << 21)) == (0x10 << 21))
|
else if ((insn & (0x14 << 21)) == (0x10 << 21))
|
insn |= 0x08 << 21;
|
insn |= 0x08 << 21;
|
else
|
else
|
goto out;
|
goto out;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_vma target = 0;
|
bfd_vma target = 0;
|
bfd_vma from;
|
bfd_vma from;
|
|
|
if (!bfd_is_com_section (symbol->section))
|
if (!bfd_is_com_section (symbol->section))
|
target = symbol->value;
|
target = symbol->value;
|
target += symbol->section->output_section->vma;
|
target += symbol->section->output_section->vma;
|
target += symbol->section->output_offset;
|
target += symbol->section->output_offset;
|
target += reloc_entry->addend;
|
target += reloc_entry->addend;
|
|
|
from = (reloc_entry->address
|
from = (reloc_entry->address
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ input_section->output_section->vma);
|
+ input_section->output_section->vma);
|
|
|
/* Invert 'y' bit if not the default. */
|
/* Invert 'y' bit if not the default. */
|
if ((bfd_signed_vma) (target - from) < 0)
|
if ((bfd_signed_vma) (target - from) < 0)
|
insn ^= 0x01 << 21;
|
insn ^= 0x01 << 21;
|
}
|
}
|
bfd_put_32 (abfd, insn, (bfd_byte *) data + octets);
|
bfd_put_32 (abfd, insn, (bfd_byte *) data + octets);
|
out:
|
out:
|
return ppc64_elf_branch_reloc (abfd, reloc_entry, symbol, data,
|
return ppc64_elf_branch_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_sectoff_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_sectoff_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
/* Subtract the symbol section base address. */
|
/* Subtract the symbol section base address. */
|
reloc_entry->addend -= symbol->section->output_section->vma;
|
reloc_entry->addend -= symbol->section->output_section->vma;
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_sectoff_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_sectoff_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
/* Subtract the symbol section base address. */
|
/* Subtract the symbol section base address. */
|
reloc_entry->addend -= symbol->section->output_section->vma;
|
reloc_entry->addend -= symbol->section->output_section->vma;
|
|
|
/* Adjust the addend for sign extension of the low 16 bits. */
|
/* Adjust the addend for sign extension of the low 16 bits. */
|
reloc_entry->addend += 0x8000;
|
reloc_entry->addend += 0x8000;
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_toc_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_toc_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
bfd_vma TOCstart;
|
bfd_vma TOCstart;
|
|
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
|
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
|
if (TOCstart == 0)
|
if (TOCstart == 0)
|
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
|
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
|
|
|
/* Subtract the TOC base address. */
|
/* Subtract the TOC base address. */
|
reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
|
reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_toc_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_toc_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
bfd_vma TOCstart;
|
bfd_vma TOCstart;
|
|
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
|
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
|
if (TOCstart == 0)
|
if (TOCstart == 0)
|
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
|
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
|
|
|
/* Subtract the TOC base address. */
|
/* Subtract the TOC base address. */
|
reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
|
reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
|
|
|
/* Adjust the addend for sign extension of the low 16 bits. */
|
/* Adjust the addend for sign extension of the low 16 bits. */
|
reloc_entry->addend += 0x8000;
|
reloc_entry->addend += 0x8000;
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_toc64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_toc64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
bfd_vma TOCstart;
|
bfd_vma TOCstart;
|
bfd_size_type octets;
|
bfd_size_type octets;
|
|
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
|
TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
|
if (TOCstart == 0)
|
if (TOCstart == 0)
|
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
|
TOCstart = ppc64_elf_toc (input_section->output_section->owner);
|
|
|
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
|
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
|
bfd_put_64 (abfd, TOCstart + TOC_BASE_OFF, (bfd_byte *) data + octets);
|
bfd_put_64 (abfd, TOCstart + TOC_BASE_OFF, (bfd_byte *) data + octets);
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc64_elf_unhandled_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
ppc64_elf_unhandled_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
void *data, asection *input_section,
|
void *data, asection *input_section,
|
bfd *output_bfd, char **error_message)
|
bfd *output_bfd, char **error_message)
|
{
|
{
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
if (error_message != NULL)
|
if (error_message != NULL)
|
{
|
{
|
static char buf[60];
|
static char buf[60];
|
sprintf (buf, "generic linker can't handle %s",
|
sprintf (buf, "generic linker can't handle %s",
|
reloc_entry->howto->name);
|
reloc_entry->howto->name);
|
*error_message = buf;
|
*error_message = buf;
|
}
|
}
|
return bfd_reloc_dangerous;
|
return bfd_reloc_dangerous;
|
}
|
}
|
|
|
struct ppc64_elf_obj_tdata
|
struct ppc64_elf_obj_tdata
|
{
|
{
|
struct elf_obj_tdata elf;
|
struct elf_obj_tdata elf;
|
|
|
/* Shortcuts to dynamic linker sections. */
|
/* Shortcuts to dynamic linker sections. */
|
asection *got;
|
asection *got;
|
asection *relgot;
|
asection *relgot;
|
|
|
/* Used during garbage collection. We attach global symbols defined
|
/* Used during garbage collection. We attach global symbols defined
|
on removed .opd entries to this section so that the sym is removed. */
|
on removed .opd entries to this section so that the sym is removed. */
|
asection *deleted_section;
|
asection *deleted_section;
|
|
|
/* TLS local dynamic got entry handling. Suppose for multiple GOT
|
/* TLS local dynamic got entry handling. Suppose for multiple GOT
|
sections means we potentially need one of these for each input bfd. */
|
sections means we potentially need one of these for each input bfd. */
|
union {
|
union {
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} tlsld_got;
|
} tlsld_got;
|
|
|
/* A copy of relocs before they are modified for --emit-relocs. */
|
/* A copy of relocs before they are modified for --emit-relocs. */
|
Elf_Internal_Rela *opd_relocs;
|
Elf_Internal_Rela *opd_relocs;
|
};
|
};
|
|
|
#define ppc64_elf_tdata(bfd) \
|
#define ppc64_elf_tdata(bfd) \
|
((struct ppc64_elf_obj_tdata *) (bfd)->tdata.any)
|
((struct ppc64_elf_obj_tdata *) (bfd)->tdata.any)
|
|
|
#define ppc64_tlsld_got(bfd) \
|
#define ppc64_tlsld_got(bfd) \
|
(&ppc64_elf_tdata (bfd)->tlsld_got)
|
(&ppc64_elf_tdata (bfd)->tlsld_got)
|
|
|
#define is_ppc64_elf(bfd) \
|
#define is_ppc64_elf(bfd) \
|
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
|
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
|
&& elf_object_id (bfd) == PPC64_ELF_TDATA)
|
&& elf_object_id (bfd) == PPC64_ELF_TDATA)
|
|
|
/* Override the generic function because we store some extras. */
|
/* Override the generic function because we store some extras. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_mkobject (bfd *abfd)
|
ppc64_elf_mkobject (bfd *abfd)
|
{
|
{
|
return bfd_elf_allocate_object (abfd, sizeof (struct ppc64_elf_obj_tdata),
|
return bfd_elf_allocate_object (abfd, sizeof (struct ppc64_elf_obj_tdata),
|
PPC64_ELF_TDATA);
|
PPC64_ELF_TDATA);
|
}
|
}
|
|
|
/* Fix bad default arch selected for a 64 bit input bfd when the
|
/* Fix bad default arch selected for a 64 bit input bfd when the
|
default is 32 bit. */
|
default is 32 bit. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_object_p (bfd *abfd)
|
ppc64_elf_object_p (bfd *abfd)
|
{
|
{
|
if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 32)
|
if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 32)
|
{
|
{
|
Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
|
Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
|
|
|
if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS64)
|
if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS64)
|
{
|
{
|
/* Relies on arch after 32 bit default being 64 bit default. */
|
/* Relies on arch after 32 bit default being 64 bit default. */
|
abfd->arch_info = abfd->arch_info->next;
|
abfd->arch_info = abfd->arch_info->next;
|
BFD_ASSERT (abfd->arch_info->bits_per_word == 64);
|
BFD_ASSERT (abfd->arch_info->bits_per_word == 64);
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Support for core dump NOTE sections. */
|
/* Support for core dump NOTE sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
ppc64_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
{
|
{
|
size_t offset, size;
|
size_t offset, size;
|
|
|
if (note->descsz != 504)
|
if (note->descsz != 504)
|
return FALSE;
|
return FALSE;
|
|
|
/* pr_cursig */
|
/* pr_cursig */
|
elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
|
elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
|
|
|
/* pr_pid */
|
/* pr_pid */
|
elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32);
|
elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32);
|
|
|
/* pr_reg */
|
/* pr_reg */
|
offset = 112;
|
offset = 112;
|
size = 384;
|
size = 384;
|
|
|
/* Make a ".reg/999" section. */
|
/* Make a ".reg/999" section. */
|
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
|
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
|
size, note->descpos + offset);
|
size, note->descpos + offset);
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
ppc64_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
{
|
{
|
if (note->descsz != 136)
|
if (note->descsz != 136)
|
return FALSE;
|
return FALSE;
|
|
|
elf_tdata (abfd)->core_program
|
elf_tdata (abfd)->core_program
|
= _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
|
= _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
|
elf_tdata (abfd)->core_command
|
elf_tdata (abfd)->core_command
|
= _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);
|
= _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static char *
|
static char *
|
ppc64_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
|
ppc64_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
|
...)
|
...)
|
{
|
{
|
switch (note_type)
|
switch (note_type)
|
{
|
{
|
default:
|
default:
|
return NULL;
|
return NULL;
|
|
|
case NT_PRPSINFO:
|
case NT_PRPSINFO:
|
{
|
{
|
char data[136];
|
char data[136];
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, note_type);
|
va_start (ap, note_type);
|
memset (data, 0, 40);
|
memset (data, 0, 40);
|
strncpy (data + 40, va_arg (ap, const char *), 16);
|
strncpy (data + 40, va_arg (ap, const char *), 16);
|
strncpy (data + 56, va_arg (ap, const char *), 80);
|
strncpy (data + 56, va_arg (ap, const char *), 80);
|
va_end (ap);
|
va_end (ap);
|
return elfcore_write_note (abfd, buf, bufsiz,
|
return elfcore_write_note (abfd, buf, bufsiz,
|
"CORE", note_type, data, sizeof (data));
|
"CORE", note_type, data, sizeof (data));
|
}
|
}
|
|
|
case NT_PRSTATUS:
|
case NT_PRSTATUS:
|
{
|
{
|
char data[504];
|
char data[504];
|
va_list ap;
|
va_list ap;
|
long pid;
|
long pid;
|
int cursig;
|
int cursig;
|
const void *greg;
|
const void *greg;
|
|
|
va_start (ap, note_type);
|
va_start (ap, note_type);
|
memset (data, 0, 112);
|
memset (data, 0, 112);
|
pid = va_arg (ap, long);
|
pid = va_arg (ap, long);
|
bfd_put_32 (abfd, pid, data + 32);
|
bfd_put_32 (abfd, pid, data + 32);
|
cursig = va_arg (ap, int);
|
cursig = va_arg (ap, int);
|
bfd_put_16 (abfd, cursig, data + 12);
|
bfd_put_16 (abfd, cursig, data + 12);
|
greg = va_arg (ap, const void *);
|
greg = va_arg (ap, const void *);
|
memcpy (data + 112, greg, 384);
|
memcpy (data + 112, greg, 384);
|
memset (data + 496, 0, 8);
|
memset (data + 496, 0, 8);
|
va_end (ap);
|
va_end (ap);
|
return elfcore_write_note (abfd, buf, bufsiz,
|
return elfcore_write_note (abfd, buf, bufsiz,
|
"CORE", note_type, data, sizeof (data));
|
"CORE", note_type, data, sizeof (data));
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Merge backend specific data from an object file to the output
|
/* Merge backend specific data from an object file to the output
|
object file when linking. */
|
object file when linking. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
ppc64_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
{
|
{
|
/* Check if we have the same endianess. */
|
/* Check if we have the same endianess. */
|
if (ibfd->xvec->byteorder != obfd->xvec->byteorder
|
if (ibfd->xvec->byteorder != obfd->xvec->byteorder
|
&& ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
|
&& ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
|
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
|
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
|
{
|
{
|
const char *msg;
|
const char *msg;
|
|
|
if (bfd_big_endian (ibfd))
|
if (bfd_big_endian (ibfd))
|
msg = _("%B: compiled for a big endian system "
|
msg = _("%B: compiled for a big endian system "
|
"and target is little endian");
|
"and target is little endian");
|
else
|
else
|
msg = _("%B: compiled for a little endian system "
|
msg = _("%B: compiled for a little endian system "
|
"and target is big endian");
|
"and target is big endian");
|
|
|
(*_bfd_error_handler) (msg, ibfd);
|
(*_bfd_error_handler) (msg, ibfd);
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Add extra PPC sections. */
|
/* Add extra PPC sections. */
|
|
|
static const struct bfd_elf_special_section ppc64_elf_special_sections[]=
|
static const struct bfd_elf_special_section ppc64_elf_special_sections[]=
|
{
|
{
|
{ STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, 0 },
|
{ STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, 0 },
|
{ STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".toc"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".toc"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".toc1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".toc1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".tocbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".tocbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
|
{ NULL, 0, 0, 0, 0 }
|
{ NULL, 0, 0, 0, 0 }
|
};
|
};
|
|
|
enum _ppc64_sec_type {
|
enum _ppc64_sec_type {
|
sec_normal = 0,
|
sec_normal = 0,
|
sec_opd = 1,
|
sec_opd = 1,
|
sec_toc = 2
|
sec_toc = 2
|
};
|
};
|
|
|
struct _ppc64_elf_section_data
|
struct _ppc64_elf_section_data
|
{
|
{
|
struct bfd_elf_section_data elf;
|
struct bfd_elf_section_data elf;
|
|
|
union
|
union
|
{
|
{
|
/* An array with one entry for each opd function descriptor. */
|
/* An array with one entry for each opd function descriptor. */
|
struct _opd_sec_data
|
struct _opd_sec_data
|
{
|
{
|
/* Points to the function code section for local opd entries. */
|
/* Points to the function code section for local opd entries. */
|
asection **func_sec;
|
asection **func_sec;
|
|
|
/* After editing .opd, adjust references to opd local syms. */
|
/* After editing .opd, adjust references to opd local syms. */
|
long *adjust;
|
long *adjust;
|
} opd;
|
} opd;
|
|
|
/* An array for toc sections, indexed by offset/8.
|
/* An array for toc sections, indexed by offset/8.
|
Specifies the relocation symbol index used at a given toc offset. */
|
Specifies the relocation symbol index used at a given toc offset. */
|
unsigned *t_symndx;
|
unsigned *t_symndx;
|
} u;
|
} u;
|
|
|
enum _ppc64_sec_type sec_type:2;
|
enum _ppc64_sec_type sec_type:2;
|
|
|
/* Flag set when small branches are detected. Used to
|
/* Flag set when small branches are detected. Used to
|
select suitable defaults for the stub group size. */
|
select suitable defaults for the stub group size. */
|
unsigned int has_14bit_branch:1;
|
unsigned int has_14bit_branch:1;
|
};
|
};
|
|
|
#define ppc64_elf_section_data(sec) \
|
#define ppc64_elf_section_data(sec) \
|
((struct _ppc64_elf_section_data *) elf_section_data (sec))
|
((struct _ppc64_elf_section_data *) elf_section_data (sec))
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_new_section_hook (bfd *abfd, asection *sec)
|
ppc64_elf_new_section_hook (bfd *abfd, asection *sec)
|
{
|
{
|
if (!sec->used_by_bfd)
|
if (!sec->used_by_bfd)
|
{
|
{
|
struct _ppc64_elf_section_data *sdata;
|
struct _ppc64_elf_section_data *sdata;
|
bfd_size_type amt = sizeof (*sdata);
|
bfd_size_type amt = sizeof (*sdata);
|
|
|
sdata = bfd_zalloc (abfd, amt);
|
sdata = bfd_zalloc (abfd, amt);
|
if (sdata == NULL)
|
if (sdata == NULL)
|
return FALSE;
|
return FALSE;
|
sec->used_by_bfd = sdata;
|
sec->used_by_bfd = sdata;
|
}
|
}
|
|
|
return _bfd_elf_new_section_hook (abfd, sec);
|
return _bfd_elf_new_section_hook (abfd, sec);
|
}
|
}
|
|
|
static struct _opd_sec_data *
|
static struct _opd_sec_data *
|
get_opd_info (asection * sec)
|
get_opd_info (asection * sec)
|
{
|
{
|
if (sec != NULL
|
if (sec != NULL
|
&& ppc64_elf_section_data (sec) != NULL
|
&& ppc64_elf_section_data (sec) != NULL
|
&& ppc64_elf_section_data (sec)->sec_type == sec_opd)
|
&& ppc64_elf_section_data (sec)->sec_type == sec_opd)
|
return &ppc64_elf_section_data (sec)->u.opd;
|
return &ppc64_elf_section_data (sec)->u.opd;
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Parameters for the qsort hook. */
|
/* Parameters for the qsort hook. */
|
static asection *synthetic_opd;
|
static asection *synthetic_opd;
|
static bfd_boolean synthetic_relocatable;
|
static bfd_boolean synthetic_relocatable;
|
|
|
/* qsort comparison function for ppc64_elf_get_synthetic_symtab. */
|
/* qsort comparison function for ppc64_elf_get_synthetic_symtab. */
|
|
|
static int
|
static int
|
compare_symbols (const void *ap, const void *bp)
|
compare_symbols (const void *ap, const void *bp)
|
{
|
{
|
const asymbol *a = * (const asymbol **) ap;
|
const asymbol *a = * (const asymbol **) ap;
|
const asymbol *b = * (const asymbol **) bp;
|
const asymbol *b = * (const asymbol **) bp;
|
|
|
/* Section symbols first. */
|
/* Section symbols first. */
|
if ((a->flags & BSF_SECTION_SYM) && !(b->flags & BSF_SECTION_SYM))
|
if ((a->flags & BSF_SECTION_SYM) && !(b->flags & BSF_SECTION_SYM))
|
return -1;
|
return -1;
|
if (!(a->flags & BSF_SECTION_SYM) && (b->flags & BSF_SECTION_SYM))
|
if (!(a->flags & BSF_SECTION_SYM) && (b->flags & BSF_SECTION_SYM))
|
return 1;
|
return 1;
|
|
|
/* then .opd symbols. */
|
/* then .opd symbols. */
|
if (a->section == synthetic_opd && b->section != synthetic_opd)
|
if (a->section == synthetic_opd && b->section != synthetic_opd)
|
return -1;
|
return -1;
|
if (a->section != synthetic_opd && b->section == synthetic_opd)
|
if (a->section != synthetic_opd && b->section == synthetic_opd)
|
return 1;
|
return 1;
|
|
|
/* then other code symbols. */
|
/* then other code symbols. */
|
if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
== (SEC_CODE | SEC_ALLOC)
|
== (SEC_CODE | SEC_ALLOC)
|
&& (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
&& (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
!= (SEC_CODE | SEC_ALLOC))
|
!= (SEC_CODE | SEC_ALLOC))
|
return -1;
|
return -1;
|
|
|
if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
!= (SEC_CODE | SEC_ALLOC)
|
!= (SEC_CODE | SEC_ALLOC)
|
&& (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
&& (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
== (SEC_CODE | SEC_ALLOC))
|
== (SEC_CODE | SEC_ALLOC))
|
return 1;
|
return 1;
|
|
|
if (synthetic_relocatable)
|
if (synthetic_relocatable)
|
{
|
{
|
if (a->section->id < b->section->id)
|
if (a->section->id < b->section->id)
|
return -1;
|
return -1;
|
|
|
if (a->section->id > b->section->id)
|
if (a->section->id > b->section->id)
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if (a->value + a->section->vma < b->value + b->section->vma)
|
if (a->value + a->section->vma < b->value + b->section->vma)
|
return -1;
|
return -1;
|
|
|
if (a->value + a->section->vma > b->value + b->section->vma)
|
if (a->value + a->section->vma > b->value + b->section->vma)
|
return 1;
|
return 1;
|
|
|
/* For syms with the same value, prefer strong dynamic global function
|
/* For syms with the same value, prefer strong dynamic global function
|
syms over other syms. */
|
syms over other syms. */
|
if ((a->flags & BSF_GLOBAL) != 0 && (b->flags & BSF_GLOBAL) == 0)
|
if ((a->flags & BSF_GLOBAL) != 0 && (b->flags & BSF_GLOBAL) == 0)
|
return -1;
|
return -1;
|
|
|
if ((a->flags & BSF_GLOBAL) == 0 && (b->flags & BSF_GLOBAL) != 0)
|
if ((a->flags & BSF_GLOBAL) == 0 && (b->flags & BSF_GLOBAL) != 0)
|
return 1;
|
return 1;
|
|
|
if ((a->flags & BSF_FUNCTION) != 0 && (b->flags & BSF_FUNCTION) == 0)
|
if ((a->flags & BSF_FUNCTION) != 0 && (b->flags & BSF_FUNCTION) == 0)
|
return -1;
|
return -1;
|
|
|
if ((a->flags & BSF_FUNCTION) == 0 && (b->flags & BSF_FUNCTION) != 0)
|
if ((a->flags & BSF_FUNCTION) == 0 && (b->flags & BSF_FUNCTION) != 0)
|
return 1;
|
return 1;
|
|
|
if ((a->flags & BSF_WEAK) == 0 && (b->flags & BSF_WEAK) != 0)
|
if ((a->flags & BSF_WEAK) == 0 && (b->flags & BSF_WEAK) != 0)
|
return -1;
|
return -1;
|
|
|
if ((a->flags & BSF_WEAK) != 0 && (b->flags & BSF_WEAK) == 0)
|
if ((a->flags & BSF_WEAK) != 0 && (b->flags & BSF_WEAK) == 0)
|
return 1;
|
return 1;
|
|
|
if ((a->flags & BSF_DYNAMIC) != 0 && (b->flags & BSF_DYNAMIC) == 0)
|
if ((a->flags & BSF_DYNAMIC) != 0 && (b->flags & BSF_DYNAMIC) == 0)
|
return -1;
|
return -1;
|
|
|
if ((a->flags & BSF_DYNAMIC) == 0 && (b->flags & BSF_DYNAMIC) != 0)
|
if ((a->flags & BSF_DYNAMIC) == 0 && (b->flags & BSF_DYNAMIC) != 0)
|
return 1;
|
return 1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Search SYMS for a symbol of the given VALUE. */
|
/* Search SYMS for a symbol of the given VALUE. */
|
|
|
static asymbol *
|
static asymbol *
|
sym_exists_at (asymbol **syms, long lo, long hi, int id, bfd_vma value)
|
sym_exists_at (asymbol **syms, long lo, long hi, int id, bfd_vma value)
|
{
|
{
|
long mid;
|
long mid;
|
|
|
if (id == -1)
|
if (id == -1)
|
{
|
{
|
while (lo < hi)
|
while (lo < hi)
|
{
|
{
|
mid = (lo + hi) >> 1;
|
mid = (lo + hi) >> 1;
|
if (syms[mid]->value + syms[mid]->section->vma < value)
|
if (syms[mid]->value + syms[mid]->section->vma < value)
|
lo = mid + 1;
|
lo = mid + 1;
|
else if (syms[mid]->value + syms[mid]->section->vma > value)
|
else if (syms[mid]->value + syms[mid]->section->vma > value)
|
hi = mid;
|
hi = mid;
|
else
|
else
|
return syms[mid];
|
return syms[mid];
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
while (lo < hi)
|
while (lo < hi)
|
{
|
{
|
mid = (lo + hi) >> 1;
|
mid = (lo + hi) >> 1;
|
if (syms[mid]->section->id < id)
|
if (syms[mid]->section->id < id)
|
lo = mid + 1;
|
lo = mid + 1;
|
else if (syms[mid]->section->id > id)
|
else if (syms[mid]->section->id > id)
|
hi = mid;
|
hi = mid;
|
else if (syms[mid]->value < value)
|
else if (syms[mid]->value < value)
|
lo = mid + 1;
|
lo = mid + 1;
|
else if (syms[mid]->value > value)
|
else if (syms[mid]->value > value)
|
hi = mid;
|
hi = mid;
|
else
|
else
|
return syms[mid];
|
return syms[mid];
|
}
|
}
|
}
|
}
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Create synthetic symbols, effectively restoring "dot-symbol" function
|
/* Create synthetic symbols, effectively restoring "dot-symbol" function
|
entry syms. */
|
entry syms. */
|
|
|
static long
|
static long
|
ppc64_elf_get_synthetic_symtab (bfd *abfd,
|
ppc64_elf_get_synthetic_symtab (bfd *abfd,
|
long static_count, asymbol **static_syms,
|
long static_count, asymbol **static_syms,
|
long dyn_count, asymbol **dyn_syms,
|
long dyn_count, asymbol **dyn_syms,
|
asymbol **ret)
|
asymbol **ret)
|
{
|
{
|
asymbol *s;
|
asymbol *s;
|
long i;
|
long i;
|
long count;
|
long count;
|
char *names;
|
char *names;
|
long symcount, codesecsym, codesecsymend, secsymend, opdsymend;
|
long symcount, codesecsym, codesecsymend, secsymend, opdsymend;
|
asection *opd;
|
asection *opd;
|
bfd_boolean relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
|
bfd_boolean relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
|
asymbol **syms;
|
asymbol **syms;
|
|
|
*ret = NULL;
|
*ret = NULL;
|
|
|
opd = bfd_get_section_by_name (abfd, ".opd");
|
opd = bfd_get_section_by_name (abfd, ".opd");
|
if (opd == NULL)
|
if (opd == NULL)
|
return 0;
|
return 0;
|
|
|
symcount = static_count;
|
symcount = static_count;
|
if (!relocatable)
|
if (!relocatable)
|
symcount += dyn_count;
|
symcount += dyn_count;
|
if (symcount == 0)
|
if (symcount == 0)
|
return 0;
|
return 0;
|
|
|
syms = bfd_malloc ((symcount + 1) * sizeof (*syms));
|
syms = bfd_malloc ((symcount + 1) * sizeof (*syms));
|
if (syms == NULL)
|
if (syms == NULL)
|
return -1;
|
return -1;
|
|
|
if (!relocatable && static_count != 0 && dyn_count != 0)
|
if (!relocatable && static_count != 0 && dyn_count != 0)
|
{
|
{
|
/* Use both symbol tables. */
|
/* Use both symbol tables. */
|
memcpy (syms, static_syms, static_count * sizeof (*syms));
|
memcpy (syms, static_syms, static_count * sizeof (*syms));
|
memcpy (syms + static_count, dyn_syms, (dyn_count + 1) * sizeof (*syms));
|
memcpy (syms + static_count, dyn_syms, (dyn_count + 1) * sizeof (*syms));
|
}
|
}
|
else if (!relocatable && static_count == 0)
|
else if (!relocatable && static_count == 0)
|
memcpy (syms, dyn_syms, (symcount + 1) * sizeof (*syms));
|
memcpy (syms, dyn_syms, (symcount + 1) * sizeof (*syms));
|
else
|
else
|
memcpy (syms, static_syms, (symcount + 1) * sizeof (*syms));
|
memcpy (syms, static_syms, (symcount + 1) * sizeof (*syms));
|
|
|
synthetic_opd = opd;
|
synthetic_opd = opd;
|
synthetic_relocatable = relocatable;
|
synthetic_relocatable = relocatable;
|
qsort (syms, symcount, sizeof (*syms), compare_symbols);
|
qsort (syms, symcount, sizeof (*syms), compare_symbols);
|
|
|
if (!relocatable && symcount > 1)
|
if (!relocatable && symcount > 1)
|
{
|
{
|
long j;
|
long j;
|
/* Trim duplicate syms, since we may have merged the normal and
|
/* Trim duplicate syms, since we may have merged the normal and
|
dynamic symbols. Actually, we only care about syms that have
|
dynamic symbols. Actually, we only care about syms that have
|
different values, so trim any with the same value. */
|
different values, so trim any with the same value. */
|
for (i = 1, j = 1; i < symcount; ++i)
|
for (i = 1, j = 1; i < symcount; ++i)
|
if (syms[i - 1]->value + syms[i - 1]->section->vma
|
if (syms[i - 1]->value + syms[i - 1]->section->vma
|
!= syms[i]->value + syms[i]->section->vma)
|
!= syms[i]->value + syms[i]->section->vma)
|
syms[j++] = syms[i];
|
syms[j++] = syms[i];
|
symcount = j;
|
symcount = j;
|
}
|
}
|
|
|
i = 0;
|
i = 0;
|
if (syms[i]->section == opd)
|
if (syms[i]->section == opd)
|
++i;
|
++i;
|
codesecsym = i;
|
codesecsym = i;
|
|
|
for (; i < symcount; ++i)
|
for (; i < symcount; ++i)
|
if (((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
if (((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
!= (SEC_CODE | SEC_ALLOC))
|
!= (SEC_CODE | SEC_ALLOC))
|
|| (syms[i]->flags & BSF_SECTION_SYM) == 0)
|
|| (syms[i]->flags & BSF_SECTION_SYM) == 0)
|
break;
|
break;
|
codesecsymend = i;
|
codesecsymend = i;
|
|
|
for (; i < symcount; ++i)
|
for (; i < symcount; ++i)
|
if ((syms[i]->flags & BSF_SECTION_SYM) == 0)
|
if ((syms[i]->flags & BSF_SECTION_SYM) == 0)
|
break;
|
break;
|
secsymend = i;
|
secsymend = i;
|
|
|
for (; i < symcount; ++i)
|
for (; i < symcount; ++i)
|
if (syms[i]->section != opd)
|
if (syms[i]->section != opd)
|
break;
|
break;
|
opdsymend = i;
|
opdsymend = i;
|
|
|
for (; i < symcount; ++i)
|
for (; i < symcount; ++i)
|
if ((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
if ((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
|
!= (SEC_CODE | SEC_ALLOC))
|
!= (SEC_CODE | SEC_ALLOC))
|
break;
|
break;
|
symcount = i;
|
symcount = i;
|
|
|
count = 0;
|
count = 0;
|
if (opdsymend == secsymend)
|
if (opdsymend == secsymend)
|
goto done;
|
goto done;
|
|
|
if (relocatable)
|
if (relocatable)
|
{
|
{
|
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
|
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
|
arelent *r;
|
arelent *r;
|
size_t size;
|
size_t size;
|
long relcount;
|
long relcount;
|
|
|
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
|
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
|
relcount = (opd->flags & SEC_RELOC) ? opd->reloc_count : 0;
|
relcount = (opd->flags & SEC_RELOC) ? opd->reloc_count : 0;
|
if (relcount == 0)
|
if (relcount == 0)
|
goto done;
|
goto done;
|
|
|
if (!(*slurp_relocs) (abfd, opd, static_syms, FALSE))
|
if (!(*slurp_relocs) (abfd, opd, static_syms, FALSE))
|
{
|
{
|
count = -1;
|
count = -1;
|
goto done;
|
goto done;
|
}
|
}
|
|
|
size = 0;
|
size = 0;
|
for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
|
for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
|
{
|
{
|
asymbol *sym;
|
asymbol *sym;
|
|
|
while (r < opd->relocation + relcount
|
while (r < opd->relocation + relcount
|
&& r->address < syms[i]->value + opd->vma)
|
&& r->address < syms[i]->value + opd->vma)
|
++r;
|
++r;
|
|
|
if (r == opd->relocation + relcount)
|
if (r == opd->relocation + relcount)
|
break;
|
break;
|
|
|
if (r->address != syms[i]->value + opd->vma)
|
if (r->address != syms[i]->value + opd->vma)
|
continue;
|
continue;
|
|
|
if (r->howto->type != R_PPC64_ADDR64)
|
if (r->howto->type != R_PPC64_ADDR64)
|
continue;
|
continue;
|
|
|
sym = *r->sym_ptr_ptr;
|
sym = *r->sym_ptr_ptr;
|
if (!sym_exists_at (syms, opdsymend, symcount,
|
if (!sym_exists_at (syms, opdsymend, symcount,
|
sym->section->id, sym->value + r->addend))
|
sym->section->id, sym->value + r->addend))
|
{
|
{
|
++count;
|
++count;
|
size += sizeof (asymbol);
|
size += sizeof (asymbol);
|
size += strlen (syms[i]->name) + 2;
|
size += strlen (syms[i]->name) + 2;
|
}
|
}
|
}
|
}
|
|
|
s = *ret = bfd_malloc (size);
|
s = *ret = bfd_malloc (size);
|
if (s == NULL)
|
if (s == NULL)
|
{
|
{
|
count = -1;
|
count = -1;
|
goto done;
|
goto done;
|
}
|
}
|
|
|
names = (char *) (s + count);
|
names = (char *) (s + count);
|
|
|
for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
|
for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
|
{
|
{
|
asymbol *sym;
|
asymbol *sym;
|
|
|
while (r < opd->relocation + relcount
|
while (r < opd->relocation + relcount
|
&& r->address < syms[i]->value + opd->vma)
|
&& r->address < syms[i]->value + opd->vma)
|
++r;
|
++r;
|
|
|
if (r == opd->relocation + relcount)
|
if (r == opd->relocation + relcount)
|
break;
|
break;
|
|
|
if (r->address != syms[i]->value + opd->vma)
|
if (r->address != syms[i]->value + opd->vma)
|
continue;
|
continue;
|
|
|
if (r->howto->type != R_PPC64_ADDR64)
|
if (r->howto->type != R_PPC64_ADDR64)
|
continue;
|
continue;
|
|
|
sym = *r->sym_ptr_ptr;
|
sym = *r->sym_ptr_ptr;
|
if (!sym_exists_at (syms, opdsymend, symcount,
|
if (!sym_exists_at (syms, opdsymend, symcount,
|
sym->section->id, sym->value + r->addend))
|
sym->section->id, sym->value + r->addend))
|
{
|
{
|
size_t len;
|
size_t len;
|
|
|
*s = *syms[i];
|
*s = *syms[i];
|
s->section = sym->section;
|
s->section = sym->section;
|
s->value = sym->value + r->addend;
|
s->value = sym->value + r->addend;
|
s->name = names;
|
s->name = names;
|
*names++ = '.';
|
*names++ = '.';
|
len = strlen (syms[i]->name);
|
len = strlen (syms[i]->name);
|
memcpy (names, syms[i]->name, len + 1);
|
memcpy (names, syms[i]->name, len + 1);
|
names += len + 1;
|
names += len + 1;
|
/* Have udata.p point back to the original symbol this
|
/* Have udata.p point back to the original symbol this
|
synthetic symbol was derived from. */
|
synthetic symbol was derived from. */
|
s->udata.p = syms[i];
|
s->udata.p = syms[i];
|
s++;
|
s++;
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_byte *contents;
|
bfd_byte *contents;
|
size_t size;
|
size_t size;
|
|
|
if (!bfd_malloc_and_get_section (abfd, opd, &contents))
|
if (!bfd_malloc_and_get_section (abfd, opd, &contents))
|
{
|
{
|
if (contents)
|
if (contents)
|
{
|
{
|
free_contents_and_exit:
|
free_contents_and_exit:
|
free (contents);
|
free (contents);
|
}
|
}
|
count = -1;
|
count = -1;
|
goto done;
|
goto done;
|
}
|
}
|
|
|
size = 0;
|
size = 0;
|
for (i = secsymend; i < opdsymend; ++i)
|
for (i = secsymend; i < opdsymend; ++i)
|
{
|
{
|
bfd_vma ent;
|
bfd_vma ent;
|
|
|
ent = bfd_get_64 (abfd, contents + syms[i]->value);
|
ent = bfd_get_64 (abfd, contents + syms[i]->value);
|
if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
|
if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
|
{
|
{
|
++count;
|
++count;
|
size += sizeof (asymbol);
|
size += sizeof (asymbol);
|
size += strlen (syms[i]->name) + 2;
|
size += strlen (syms[i]->name) + 2;
|
}
|
}
|
}
|
}
|
|
|
s = *ret = bfd_malloc (size);
|
s = *ret = bfd_malloc (size);
|
if (s == NULL)
|
if (s == NULL)
|
goto free_contents_and_exit;
|
goto free_contents_and_exit;
|
|
|
names = (char *) (s + count);
|
names = (char *) (s + count);
|
|
|
for (i = secsymend; i < opdsymend; ++i)
|
for (i = secsymend; i < opdsymend; ++i)
|
{
|
{
|
bfd_vma ent;
|
bfd_vma ent;
|
|
|
ent = bfd_get_64 (abfd, contents + syms[i]->value);
|
ent = bfd_get_64 (abfd, contents + syms[i]->value);
|
if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
|
if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
|
{
|
{
|
long lo, hi;
|
long lo, hi;
|
size_t len;
|
size_t len;
|
asection *sec = abfd->sections;
|
asection *sec = abfd->sections;
|
|
|
*s = *syms[i];
|
*s = *syms[i];
|
lo = codesecsym;
|
lo = codesecsym;
|
hi = codesecsymend;
|
hi = codesecsymend;
|
while (lo < hi)
|
while (lo < hi)
|
{
|
{
|
long mid = (lo + hi) >> 1;
|
long mid = (lo + hi) >> 1;
|
if (syms[mid]->section->vma < ent)
|
if (syms[mid]->section->vma < ent)
|
lo = mid + 1;
|
lo = mid + 1;
|
else if (syms[mid]->section->vma > ent)
|
else if (syms[mid]->section->vma > ent)
|
hi = mid;
|
hi = mid;
|
else
|
else
|
{
|
{
|
sec = syms[mid]->section;
|
sec = syms[mid]->section;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (lo >= hi && lo > codesecsym)
|
if (lo >= hi && lo > codesecsym)
|
sec = syms[lo - 1]->section;
|
sec = syms[lo - 1]->section;
|
|
|
for (; sec != NULL; sec = sec->next)
|
for (; sec != NULL; sec = sec->next)
|
{
|
{
|
if (sec->vma > ent)
|
if (sec->vma > ent)
|
break;
|
break;
|
if ((sec->flags & SEC_ALLOC) == 0
|
if ((sec->flags & SEC_ALLOC) == 0
|
|| (sec->flags & SEC_LOAD) == 0)
|
|| (sec->flags & SEC_LOAD) == 0)
|
break;
|
break;
|
if ((sec->flags & SEC_CODE) != 0)
|
if ((sec->flags & SEC_CODE) != 0)
|
s->section = sec;
|
s->section = sec;
|
}
|
}
|
s->value = ent - s->section->vma;
|
s->value = ent - s->section->vma;
|
s->name = names;
|
s->name = names;
|
*names++ = '.';
|
*names++ = '.';
|
len = strlen (syms[i]->name);
|
len = strlen (syms[i]->name);
|
memcpy (names, syms[i]->name, len + 1);
|
memcpy (names, syms[i]->name, len + 1);
|
names += len + 1;
|
names += len + 1;
|
/* Have udata.p point back to the original symbol this
|
/* Have udata.p point back to the original symbol this
|
synthetic symbol was derived from. */
|
synthetic symbol was derived from. */
|
s->udata.p = syms[i];
|
s->udata.p = syms[i];
|
s++;
|
s++;
|
}
|
}
|
}
|
}
|
free (contents);
|
free (contents);
|
}
|
}
|
|
|
done:
|
done:
|
free (syms);
|
free (syms);
|
return count;
|
return count;
|
}
|
}
|
|
|
/* The following functions are specific to the ELF linker, while
|
/* The following functions are specific to the ELF linker, while
|
functions above are used generally. Those named ppc64_elf_* are
|
functions above are used generally. Those named ppc64_elf_* are
|
called by the main ELF linker code. They appear in this file more
|
called by the main ELF linker code. They appear in this file more
|
or less in the order in which they are called. eg.
|
or less in the order in which they are called. eg.
|
ppc64_elf_check_relocs is called early in the link process,
|
ppc64_elf_check_relocs is called early in the link process,
|
ppc64_elf_finish_dynamic_sections is one of the last functions
|
ppc64_elf_finish_dynamic_sections is one of the last functions
|
called.
|
called.
|
|
|
PowerPC64-ELF uses a similar scheme to PowerPC64-XCOFF in that
|
PowerPC64-ELF uses a similar scheme to PowerPC64-XCOFF in that
|
functions have both a function code symbol and a function descriptor
|
functions have both a function code symbol and a function descriptor
|
symbol. A call to foo in a relocatable object file looks like:
|
symbol. A call to foo in a relocatable object file looks like:
|
|
|
. .text
|
. .text
|
. x:
|
. x:
|
. bl .foo
|
. bl .foo
|
. nop
|
. nop
|
|
|
The function definition in another object file might be:
|
The function definition in another object file might be:
|
|
|
. .section .opd
|
. .section .opd
|
. foo: .quad .foo
|
. foo: .quad .foo
|
. .quad .TOC.@tocbase
|
. .quad .TOC.@tocbase
|
. .quad 0
|
. .quad 0
|
.
|
.
|
. .text
|
. .text
|
. .foo: blr
|
. .foo: blr
|
|
|
When the linker resolves the call during a static link, the branch
|
When the linker resolves the call during a static link, the branch
|
unsurprisingly just goes to .foo and the .opd information is unused.
|
unsurprisingly just goes to .foo and the .opd information is unused.
|
If the function definition is in a shared library, things are a little
|
If the function definition is in a shared library, things are a little
|
different: The call goes via a plt call stub, the opd information gets
|
different: The call goes via a plt call stub, the opd information gets
|
copied to the plt, and the linker patches the nop.
|
copied to the plt, and the linker patches the nop.
|
|
|
. x:
|
. x:
|
. bl .foo_stub
|
. bl .foo_stub
|
. ld 2,40(1)
|
. ld 2,40(1)
|
.
|
.
|
.
|
.
|
. .foo_stub:
|
. .foo_stub:
|
. addis 12,2,Lfoo@toc@ha # in practice, the call stub
|
. addis 12,2,Lfoo@toc@ha # in practice, the call stub
|
. addi 12,12,Lfoo@toc@l # is slightly optimized, but
|
. addi 12,12,Lfoo@toc@l # is slightly optimized, but
|
. std 2,40(1) # this is the general idea
|
. std 2,40(1) # this is the general idea
|
. ld 11,0(12)
|
. ld 11,0(12)
|
. ld 2,8(12)
|
. ld 2,8(12)
|
. mtctr 11
|
. mtctr 11
|
. ld 11,16(12)
|
. ld 11,16(12)
|
. bctr
|
. bctr
|
.
|
.
|
. .section .plt
|
. .section .plt
|
. Lfoo: reloc (R_PPC64_JMP_SLOT, foo)
|
. Lfoo: reloc (R_PPC64_JMP_SLOT, foo)
|
|
|
The "reloc ()" notation is supposed to indicate that the linker emits
|
The "reloc ()" notation is supposed to indicate that the linker emits
|
an R_PPC64_JMP_SLOT reloc against foo. The dynamic linker does the opd
|
an R_PPC64_JMP_SLOT reloc against foo. The dynamic linker does the opd
|
copying.
|
copying.
|
|
|
What are the difficulties here? Well, firstly, the relocations
|
What are the difficulties here? Well, firstly, the relocations
|
examined by the linker in check_relocs are against the function code
|
examined by the linker in check_relocs are against the function code
|
sym .foo, while the dynamic relocation in the plt is emitted against
|
sym .foo, while the dynamic relocation in the plt is emitted against
|
the function descriptor symbol, foo. Somewhere along the line, we need
|
the function descriptor symbol, foo. Somewhere along the line, we need
|
to carefully copy dynamic link information from one symbol to the other.
|
to carefully copy dynamic link information from one symbol to the other.
|
Secondly, the generic part of the elf linker will make .foo a dynamic
|
Secondly, the generic part of the elf linker will make .foo a dynamic
|
symbol as is normal for most other backends. We need foo dynamic
|
symbol as is normal for most other backends. We need foo dynamic
|
instead, at least for an application final link. However, when
|
instead, at least for an application final link. However, when
|
creating a shared library containing foo, we need to have both symbols
|
creating a shared library containing foo, we need to have both symbols
|
dynamic so that references to .foo are satisfied during the early
|
dynamic so that references to .foo are satisfied during the early
|
stages of linking. Otherwise the linker might decide to pull in a
|
stages of linking. Otherwise the linker might decide to pull in a
|
definition from some other object, eg. a static library.
|
definition from some other object, eg. a static library.
|
|
|
Update: As of August 2004, we support a new convention. Function
|
Update: As of August 2004, we support a new convention. Function
|
calls may use the function descriptor symbol, ie. "bl foo". This
|
calls may use the function descriptor symbol, ie. "bl foo". This
|
behaves exactly as "bl .foo". */
|
behaves exactly as "bl .foo". */
|
|
|
/* The linker needs to keep track of the number of relocs that it
|
/* The linker needs to keep track of the number of relocs that it
|
decides to copy as dynamic relocs in check_relocs for each symbol.
|
decides to copy as dynamic relocs in check_relocs for each symbol.
|
This is so that it can later discard them if they are found to be
|
This is so that it can later discard them if they are found to be
|
unnecessary. We store the information in a field extending the
|
unnecessary. We store the information in a field extending the
|
regular ELF linker hash table. */
|
regular ELF linker hash table. */
|
|
|
struct ppc_dyn_relocs
|
struct ppc_dyn_relocs
|
{
|
{
|
struct ppc_dyn_relocs *next;
|
struct ppc_dyn_relocs *next;
|
|
|
/* The input section of the reloc. */
|
/* The input section of the reloc. */
|
asection *sec;
|
asection *sec;
|
|
|
/* Total number of relocs copied for the input section. */
|
/* Total number of relocs copied for the input section. */
|
bfd_size_type count;
|
bfd_size_type count;
|
|
|
/* Number of pc-relative relocs copied for the input section. */
|
/* Number of pc-relative relocs copied for the input section. */
|
bfd_size_type pc_count;
|
bfd_size_type pc_count;
|
};
|
};
|
|
|
/* Track GOT entries needed for a given symbol. We might need more
|
/* Track GOT entries needed for a given symbol. We might need more
|
than one got entry per symbol. */
|
than one got entry per symbol. */
|
struct got_entry
|
struct got_entry
|
{
|
{
|
struct got_entry *next;
|
struct got_entry *next;
|
|
|
/* The symbol addend that we'll be placing in the GOT. */
|
/* The symbol addend that we'll be placing in the GOT. */
|
bfd_vma addend;
|
bfd_vma addend;
|
|
|
/* Unlike other ELF targets, we use separate GOT entries for the same
|
/* Unlike other ELF targets, we use separate GOT entries for the same
|
symbol referenced from different input files. This is to support
|
symbol referenced from different input files. This is to support
|
automatic multiple TOC/GOT sections, where the TOC base can vary
|
automatic multiple TOC/GOT sections, where the TOC base can vary
|
from one input file to another. FIXME: After group_sections we
|
from one input file to another. FIXME: After group_sections we
|
ought to merge entries within the group.
|
ought to merge entries within the group.
|
|
|
Point to the BFD owning this GOT entry. */
|
Point to the BFD owning this GOT entry. */
|
bfd *owner;
|
bfd *owner;
|
|
|
/* Zero for non-tls entries, or TLS_TLS and one of TLS_GD, TLS_LD,
|
/* Zero for non-tls entries, or TLS_TLS and one of TLS_GD, TLS_LD,
|
TLS_TPREL or TLS_DTPREL for tls entries. */
|
TLS_TPREL or TLS_DTPREL for tls entries. */
|
char tls_type;
|
char tls_type;
|
|
|
/* Reference count until size_dynamic_sections, GOT offset thereafter. */
|
/* Reference count until size_dynamic_sections, GOT offset thereafter. */
|
union
|
union
|
{
|
{
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} got;
|
} got;
|
};
|
};
|
|
|
/* The same for PLT. */
|
/* The same for PLT. */
|
struct plt_entry
|
struct plt_entry
|
{
|
{
|
struct plt_entry *next;
|
struct plt_entry *next;
|
|
|
bfd_vma addend;
|
bfd_vma addend;
|
|
|
union
|
union
|
{
|
{
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} plt;
|
} plt;
|
};
|
};
|
|
|
/* Of those relocs that might be copied as dynamic relocs, this macro
|
/* Of those relocs that might be copied as dynamic relocs, this macro
|
selects those that must be copied when linking a shared library,
|
selects those that must be copied when linking a shared library,
|
even when the symbol is local. */
|
even when the symbol is local. */
|
|
|
#define MUST_BE_DYN_RELOC(RTYPE) \
|
#define MUST_BE_DYN_RELOC(RTYPE) \
|
((RTYPE) != R_PPC64_REL32 \
|
((RTYPE) != R_PPC64_REL32 \
|
&& (RTYPE) != R_PPC64_REL64 \
|
&& (RTYPE) != R_PPC64_REL64 \
|
&& (RTYPE) != R_PPC64_REL30)
|
&& (RTYPE) != R_PPC64_REL30)
|
|
|
/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
|
/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
|
copying dynamic variables from a shared lib into an app's dynbss
|
copying dynamic variables from a shared lib into an app's dynbss
|
section, and instead use a dynamic relocation to point into the
|
section, and instead use a dynamic relocation to point into the
|
shared lib. With code that gcc generates, it's vital that this be
|
shared lib. With code that gcc generates, it's vital that this be
|
enabled; In the PowerPC64 ABI, the address of a function is actually
|
enabled; In the PowerPC64 ABI, the address of a function is actually
|
the address of a function descriptor, which resides in the .opd
|
the address of a function descriptor, which resides in the .opd
|
section. gcc uses the descriptor directly rather than going via the
|
section. gcc uses the descriptor directly rather than going via the
|
GOT as some other ABI's do, which means that initialized function
|
GOT as some other ABI's do, which means that initialized function
|
pointers must reference the descriptor. Thus, a function pointer
|
pointers must reference the descriptor. Thus, a function pointer
|
initialized to the address of a function in a shared library will
|
initialized to the address of a function in a shared library will
|
either require a copy reloc, or a dynamic reloc. Using a copy reloc
|
either require a copy reloc, or a dynamic reloc. Using a copy reloc
|
redefines the function descriptor symbol to point to the copy. This
|
redefines the function descriptor symbol to point to the copy. This
|
presents a problem as a plt entry for that function is also
|
presents a problem as a plt entry for that function is also
|
initialized from the function descriptor symbol and the copy reloc
|
initialized from the function descriptor symbol and the copy reloc
|
may not be initialized first. */
|
may not be initialized first. */
|
#define ELIMINATE_COPY_RELOCS 1
|
#define ELIMINATE_COPY_RELOCS 1
|
|
|
/* Section name for stubs is the associated section name plus this
|
/* Section name for stubs is the associated section name plus this
|
string. */
|
string. */
|
#define STUB_SUFFIX ".stub"
|
#define STUB_SUFFIX ".stub"
|
|
|
/* Linker stubs.
|
/* Linker stubs.
|
ppc_stub_long_branch:
|
ppc_stub_long_branch:
|
Used when a 14 bit branch (or even a 24 bit branch) can't reach its
|
Used when a 14 bit branch (or even a 24 bit branch) can't reach its
|
destination, but a 24 bit branch in a stub section will reach.
|
destination, but a 24 bit branch in a stub section will reach.
|
. b dest
|
. b dest
|
|
|
ppc_stub_plt_branch:
|
ppc_stub_plt_branch:
|
Similar to the above, but a 24 bit branch in the stub section won't
|
Similar to the above, but a 24 bit branch in the stub section won't
|
reach its destination.
|
reach its destination.
|
. addis %r12,%r2,xxx@toc@ha
|
. addis %r12,%r2,xxx@toc@ha
|
. ld %r11,xxx@toc@l(%r12)
|
. ld %r11,xxx@toc@l(%r12)
|
. mtctr %r11
|
. mtctr %r11
|
. bctr
|
. bctr
|
|
|
ppc_stub_plt_call:
|
ppc_stub_plt_call:
|
Used to call a function in a shared library. If it so happens that
|
Used to call a function in a shared library. If it so happens that
|
the plt entry referenced crosses a 64k boundary, then an extra
|
the plt entry referenced crosses a 64k boundary, then an extra
|
"addi %r12,%r12,xxx@toc@l" will be inserted before the "mtctr".
|
"addi %r12,%r12,xxx@toc@l" will be inserted before the "mtctr".
|
. addis %r12,%r2,xxx@toc@ha
|
. addis %r12,%r2,xxx@toc@ha
|
. std %r2,40(%r1)
|
. std %r2,40(%r1)
|
. ld %r11,xxx+0@toc@l(%r12)
|
. ld %r11,xxx+0@toc@l(%r12)
|
. mtctr %r11
|
. mtctr %r11
|
. ld %r2,xxx+8@toc@l(%r12)
|
. ld %r2,xxx+8@toc@l(%r12)
|
. ld %r11,xxx+16@toc@l(%r12)
|
. ld %r11,xxx+16@toc@l(%r12)
|
. bctr
|
. bctr
|
|
|
ppc_stub_long_branch and ppc_stub_plt_branch may also have additional
|
ppc_stub_long_branch and ppc_stub_plt_branch may also have additional
|
code to adjust the value and save r2 to support multiple toc sections.
|
code to adjust the value and save r2 to support multiple toc sections.
|
A ppc_stub_long_branch with an r2 offset looks like:
|
A ppc_stub_long_branch with an r2 offset looks like:
|
. std %r2,40(%r1)
|
. std %r2,40(%r1)
|
. addis %r2,%r2,off@ha
|
. addis %r2,%r2,off@ha
|
. addi %r2,%r2,off@l
|
. addi %r2,%r2,off@l
|
. b dest
|
. b dest
|
|
|
A ppc_stub_plt_branch with an r2 offset looks like:
|
A ppc_stub_plt_branch with an r2 offset looks like:
|
. std %r2,40(%r1)
|
. std %r2,40(%r1)
|
. addis %r12,%r2,xxx@toc@ha
|
. addis %r12,%r2,xxx@toc@ha
|
. ld %r11,xxx@toc@l(%r12)
|
. ld %r11,xxx@toc@l(%r12)
|
. addis %r2,%r2,off@ha
|
. addis %r2,%r2,off@ha
|
. addi %r2,%r2,off@l
|
. addi %r2,%r2,off@l
|
. mtctr %r11
|
. mtctr %r11
|
. bctr
|
. bctr
|
|
|
In cases where the "addis" instruction would add zero, the "addis" is
|
In cases where the "addis" instruction would add zero, the "addis" is
|
omitted and following instructions modified slightly in some cases.
|
omitted and following instructions modified slightly in some cases.
|
*/
|
*/
|
|
|
enum ppc_stub_type {
|
enum ppc_stub_type {
|
ppc_stub_none,
|
ppc_stub_none,
|
ppc_stub_long_branch,
|
ppc_stub_long_branch,
|
ppc_stub_long_branch_r2off,
|
ppc_stub_long_branch_r2off,
|
ppc_stub_plt_branch,
|
ppc_stub_plt_branch,
|
ppc_stub_plt_branch_r2off,
|
ppc_stub_plt_branch_r2off,
|
ppc_stub_plt_call
|
ppc_stub_plt_call
|
};
|
};
|
|
|
struct ppc_stub_hash_entry {
|
struct ppc_stub_hash_entry {
|
|
|
/* Base hash table entry structure. */
|
/* Base hash table entry structure. */
|
struct bfd_hash_entry root;
|
struct bfd_hash_entry root;
|
|
|
enum ppc_stub_type stub_type;
|
enum ppc_stub_type stub_type;
|
|
|
/* The stub section. */
|
/* The stub section. */
|
asection *stub_sec;
|
asection *stub_sec;
|
|
|
/* Offset within stub_sec of the beginning of this stub. */
|
/* Offset within stub_sec of the beginning of this stub. */
|
bfd_vma stub_offset;
|
bfd_vma stub_offset;
|
|
|
/* Given the symbol's value and its section we can determine its final
|
/* Given the symbol's value and its section we can determine its final
|
value when building the stubs (so the stub knows where to jump. */
|
value when building the stubs (so the stub knows where to jump. */
|
bfd_vma target_value;
|
bfd_vma target_value;
|
asection *target_section;
|
asection *target_section;
|
|
|
/* The symbol table entry, if any, that this was derived from. */
|
/* The symbol table entry, if any, that this was derived from. */
|
struct ppc_link_hash_entry *h;
|
struct ppc_link_hash_entry *h;
|
|
|
/* And the reloc addend that this was derived from. */
|
/* And the reloc addend that this was derived from. */
|
bfd_vma addend;
|
bfd_vma addend;
|
|
|
/* Where this stub is being called from, or, in the case of combined
|
/* Where this stub is being called from, or, in the case of combined
|
stub sections, the first input section in the group. */
|
stub sections, the first input section in the group. */
|
asection *id_sec;
|
asection *id_sec;
|
};
|
};
|
|
|
struct ppc_branch_hash_entry {
|
struct ppc_branch_hash_entry {
|
|
|
/* Base hash table entry structure. */
|
/* Base hash table entry structure. */
|
struct bfd_hash_entry root;
|
struct bfd_hash_entry root;
|
|
|
/* Offset within branch lookup table. */
|
/* Offset within branch lookup table. */
|
unsigned int offset;
|
unsigned int offset;
|
|
|
/* Generation marker. */
|
/* Generation marker. */
|
unsigned int iter;
|
unsigned int iter;
|
};
|
};
|
|
|
struct ppc_link_hash_entry
|
struct ppc_link_hash_entry
|
{
|
{
|
struct elf_link_hash_entry elf;
|
struct elf_link_hash_entry elf;
|
|
|
union {
|
union {
|
/* A pointer to the most recently used stub hash entry against this
|
/* A pointer to the most recently used stub hash entry against this
|
symbol. */
|
symbol. */
|
struct ppc_stub_hash_entry *stub_cache;
|
struct ppc_stub_hash_entry *stub_cache;
|
|
|
/* A pointer to the next symbol starting with a '.' */
|
/* A pointer to the next symbol starting with a '.' */
|
struct ppc_link_hash_entry *next_dot_sym;
|
struct ppc_link_hash_entry *next_dot_sym;
|
} u;
|
} u;
|
|
|
/* Track dynamic relocs copied for this symbol. */
|
/* Track dynamic relocs copied for this symbol. */
|
struct ppc_dyn_relocs *dyn_relocs;
|
struct ppc_dyn_relocs *dyn_relocs;
|
|
|
/* Link between function code and descriptor symbols. */
|
/* Link between function code and descriptor symbols. */
|
struct ppc_link_hash_entry *oh;
|
struct ppc_link_hash_entry *oh;
|
|
|
/* Flag function code and descriptor symbols. */
|
/* Flag function code and descriptor symbols. */
|
unsigned int is_func:1;
|
unsigned int is_func:1;
|
unsigned int is_func_descriptor:1;
|
unsigned int is_func_descriptor:1;
|
unsigned int fake:1;
|
unsigned int fake:1;
|
|
|
/* Whether global opd/toc sym has been adjusted or not.
|
/* Whether global opd/toc sym has been adjusted or not.
|
After ppc64_elf_edit_opd/ppc64_elf_edit_toc has run, this flag
|
After ppc64_elf_edit_opd/ppc64_elf_edit_toc has run, this flag
|
should be set for all globals defined in any opd/toc section. */
|
should be set for all globals defined in any opd/toc section. */
|
unsigned int adjust_done:1;
|
unsigned int adjust_done:1;
|
|
|
/* Set if we twiddled this symbol to weak at some stage. */
|
/* Set if we twiddled this symbol to weak at some stage. */
|
unsigned int was_undefined:1;
|
unsigned int was_undefined:1;
|
|
|
/* Contexts in which symbol is used in the GOT (or TOC).
|
/* Contexts in which symbol is used in the GOT (or TOC).
|
TLS_GD .. TLS_EXPLICIT bits are or'd into the mask as the
|
TLS_GD .. TLS_EXPLICIT bits are or'd into the mask as the
|
corresponding relocs are encountered during check_relocs.
|
corresponding relocs are encountered during check_relocs.
|
tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
|
tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
|
indicate the corresponding GOT entry type is not needed.
|
indicate the corresponding GOT entry type is not needed.
|
tls_optimize may also set TLS_TPRELGD when a GD reloc turns into
|
tls_optimize may also set TLS_TPRELGD when a GD reloc turns into
|
a TPREL one. We use a separate flag rather than setting TPREL
|
a TPREL one. We use a separate flag rather than setting TPREL
|
just for convenience in distinguishing the two cases. */
|
just for convenience in distinguishing the two cases. */
|
#define TLS_GD 1 /* GD reloc. */
|
#define TLS_GD 1 /* GD reloc. */
|
#define TLS_LD 2 /* LD reloc. */
|
#define TLS_LD 2 /* LD reloc. */
|
#define TLS_TPREL 4 /* TPREL reloc, => IE. */
|
#define TLS_TPREL 4 /* TPREL reloc, => IE. */
|
#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
|
#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
|
#define TLS_TLS 16 /* Any TLS reloc. */
|
#define TLS_TLS 16 /* Any TLS reloc. */
|
#define TLS_EXPLICIT 32 /* Marks TOC section TLS relocs. */
|
#define TLS_EXPLICIT 32 /* Marks TOC section TLS relocs. */
|
#define TLS_TPRELGD 64 /* TPREL reloc resulting from GD->IE. */
|
#define TLS_TPRELGD 64 /* TPREL reloc resulting from GD->IE. */
|
char tls_mask;
|
char tls_mask;
|
};
|
};
|
|
|
/* ppc64 ELF linker hash table. */
|
/* ppc64 ELF linker hash table. */
|
|
|
struct ppc_link_hash_table
|
struct ppc_link_hash_table
|
{
|
{
|
struct elf_link_hash_table elf;
|
struct elf_link_hash_table elf;
|
|
|
/* The stub hash table. */
|
/* The stub hash table. */
|
struct bfd_hash_table stub_hash_table;
|
struct bfd_hash_table stub_hash_table;
|
|
|
/* Another hash table for plt_branch stubs. */
|
/* Another hash table for plt_branch stubs. */
|
struct bfd_hash_table branch_hash_table;
|
struct bfd_hash_table branch_hash_table;
|
|
|
/* Linker stub bfd. */
|
/* Linker stub bfd. */
|
bfd *stub_bfd;
|
bfd *stub_bfd;
|
|
|
/* Linker call-backs. */
|
/* Linker call-backs. */
|
asection * (*add_stub_section) (const char *, asection *);
|
asection * (*add_stub_section) (const char *, asection *);
|
void (*layout_sections_again) (void);
|
void (*layout_sections_again) (void);
|
|
|
/* Array to keep track of which stub sections have been created, and
|
/* Array to keep track of which stub sections have been created, and
|
information on stub grouping. */
|
information on stub grouping. */
|
struct map_stub {
|
struct map_stub {
|
/* This is the section to which stubs in the group will be attached. */
|
/* This is the section to which stubs in the group will be attached. */
|
asection *link_sec;
|
asection *link_sec;
|
/* The stub section. */
|
/* The stub section. */
|
asection *stub_sec;
|
asection *stub_sec;
|
/* Along with elf_gp, specifies the TOC pointer used in this group. */
|
/* Along with elf_gp, specifies the TOC pointer used in this group. */
|
bfd_vma toc_off;
|
bfd_vma toc_off;
|
} *stub_group;
|
} *stub_group;
|
|
|
/* Temp used when calculating TOC pointers. */
|
/* Temp used when calculating TOC pointers. */
|
bfd_vma toc_curr;
|
bfd_vma toc_curr;
|
|
|
/* Highest input section id. */
|
/* Highest input section id. */
|
int top_id;
|
int top_id;
|
|
|
/* Highest output section index. */
|
/* Highest output section index. */
|
int top_index;
|
int top_index;
|
|
|
/* Used when adding symbols. */
|
/* Used when adding symbols. */
|
struct ppc_link_hash_entry *dot_syms;
|
struct ppc_link_hash_entry *dot_syms;
|
|
|
/* List of input sections for each output section. */
|
/* List of input sections for each output section. */
|
asection **input_list;
|
asection **input_list;
|
|
|
/* Short-cuts to get to dynamic linker sections. */
|
/* Short-cuts to get to dynamic linker sections. */
|
asection *got;
|
asection *got;
|
asection *plt;
|
asection *plt;
|
asection *relplt;
|
asection *relplt;
|
asection *dynbss;
|
asection *dynbss;
|
asection *relbss;
|
asection *relbss;
|
asection *glink;
|
asection *glink;
|
asection *sfpr;
|
asection *sfpr;
|
asection *brlt;
|
asection *brlt;
|
asection *relbrlt;
|
asection *relbrlt;
|
|
|
/* Shortcut to .__tls_get_addr and __tls_get_addr. */
|
/* Shortcut to .__tls_get_addr and __tls_get_addr. */
|
struct ppc_link_hash_entry *tls_get_addr;
|
struct ppc_link_hash_entry *tls_get_addr;
|
struct ppc_link_hash_entry *tls_get_addr_fd;
|
struct ppc_link_hash_entry *tls_get_addr_fd;
|
|
|
/* Statistics. */
|
/* Statistics. */
|
unsigned long stub_count[ppc_stub_plt_call];
|
unsigned long stub_count[ppc_stub_plt_call];
|
|
|
/* Number of stubs against global syms. */
|
/* Number of stubs against global syms. */
|
unsigned long stub_globals;
|
unsigned long stub_globals;
|
|
|
/* Set if we should emit symbols for stubs. */
|
/* Set if we should emit symbols for stubs. */
|
unsigned int emit_stub_syms:1;
|
unsigned int emit_stub_syms:1;
|
|
|
/* Support for multiple toc sections. */
|
/* Support for multiple toc sections. */
|
unsigned int no_multi_toc:1;
|
unsigned int no_multi_toc:1;
|
unsigned int multi_toc_needed:1;
|
unsigned int multi_toc_needed:1;
|
|
|
/* Set on error. */
|
/* Set on error. */
|
unsigned int stub_error:1;
|
unsigned int stub_error:1;
|
|
|
/* Temp used by ppc64_elf_check_directives. */
|
/* Temp used by ppc64_elf_check_directives. */
|
unsigned int twiddled_syms:1;
|
unsigned int twiddled_syms:1;
|
|
|
/* Incremented every time we size stubs. */
|
/* Incremented every time we size stubs. */
|
unsigned int stub_iteration;
|
unsigned int stub_iteration;
|
|
|
/* Small local sym to section mapping cache. */
|
/* Small local sym to section mapping cache. */
|
struct sym_sec_cache sym_sec;
|
struct sym_sec_cache sym_sec;
|
};
|
};
|
|
|
/* Rename some of the generic section flags to better document how they
|
/* Rename some of the generic section flags to better document how they
|
are used here. */
|
are used here. */
|
#define has_toc_reloc has_gp_reloc
|
#define has_toc_reloc has_gp_reloc
|
#define makes_toc_func_call need_finalize_relax
|
#define makes_toc_func_call need_finalize_relax
|
#define call_check_in_progress reloc_done
|
#define call_check_in_progress reloc_done
|
|
|
/* Get the ppc64 ELF linker hash table from a link_info structure. */
|
/* Get the ppc64 ELF linker hash table from a link_info structure. */
|
|
|
#define ppc_hash_table(p) \
|
#define ppc_hash_table(p) \
|
((struct ppc_link_hash_table *) ((p)->hash))
|
((struct ppc_link_hash_table *) ((p)->hash))
|
|
|
#define ppc_stub_hash_lookup(table, string, create, copy) \
|
#define ppc_stub_hash_lookup(table, string, create, copy) \
|
((struct ppc_stub_hash_entry *) \
|
((struct ppc_stub_hash_entry *) \
|
bfd_hash_lookup ((table), (string), (create), (copy)))
|
bfd_hash_lookup ((table), (string), (create), (copy)))
|
|
|
#define ppc_branch_hash_lookup(table, string, create, copy) \
|
#define ppc_branch_hash_lookup(table, string, create, copy) \
|
((struct ppc_branch_hash_entry *) \
|
((struct ppc_branch_hash_entry *) \
|
bfd_hash_lookup ((table), (string), (create), (copy)))
|
bfd_hash_lookup ((table), (string), (create), (copy)))
|
|
|
/* Create an entry in the stub hash table. */
|
/* Create an entry in the stub hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
stub_hash_newfunc (struct bfd_hash_entry *entry,
|
stub_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
const char *string)
|
const char *string)
|
{
|
{
|
/* Allocate the structure if it has not already been allocated by a
|
/* Allocate the structure if it has not already been allocated by a
|
subclass. */
|
subclass. */
|
if (entry == NULL)
|
if (entry == NULL)
|
{
|
{
|
entry = bfd_hash_allocate (table, sizeof (struct ppc_stub_hash_entry));
|
entry = bfd_hash_allocate (table, sizeof (struct ppc_stub_hash_entry));
|
if (entry == NULL)
|
if (entry == NULL)
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
entry = bfd_hash_newfunc (entry, table, string);
|
entry = bfd_hash_newfunc (entry, table, string);
|
if (entry != NULL)
|
if (entry != NULL)
|
{
|
{
|
struct ppc_stub_hash_entry *eh;
|
struct ppc_stub_hash_entry *eh;
|
|
|
/* Initialize the local fields. */
|
/* Initialize the local fields. */
|
eh = (struct ppc_stub_hash_entry *) entry;
|
eh = (struct ppc_stub_hash_entry *) entry;
|
eh->stub_type = ppc_stub_none;
|
eh->stub_type = ppc_stub_none;
|
eh->stub_sec = NULL;
|
eh->stub_sec = NULL;
|
eh->stub_offset = 0;
|
eh->stub_offset = 0;
|
eh->target_value = 0;
|
eh->target_value = 0;
|
eh->target_section = NULL;
|
eh->target_section = NULL;
|
eh->h = NULL;
|
eh->h = NULL;
|
eh->id_sec = NULL;
|
eh->id_sec = NULL;
|
}
|
}
|
|
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Create an entry in the branch hash table. */
|
/* Create an entry in the branch hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
branch_hash_newfunc (struct bfd_hash_entry *entry,
|
branch_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
const char *string)
|
const char *string)
|
{
|
{
|
/* Allocate the structure if it has not already been allocated by a
|
/* Allocate the structure if it has not already been allocated by a
|
subclass. */
|
subclass. */
|
if (entry == NULL)
|
if (entry == NULL)
|
{
|
{
|
entry = bfd_hash_allocate (table, sizeof (struct ppc_branch_hash_entry));
|
entry = bfd_hash_allocate (table, sizeof (struct ppc_branch_hash_entry));
|
if (entry == NULL)
|
if (entry == NULL)
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
entry = bfd_hash_newfunc (entry, table, string);
|
entry = bfd_hash_newfunc (entry, table, string);
|
if (entry != NULL)
|
if (entry != NULL)
|
{
|
{
|
struct ppc_branch_hash_entry *eh;
|
struct ppc_branch_hash_entry *eh;
|
|
|
/* Initialize the local fields. */
|
/* Initialize the local fields. */
|
eh = (struct ppc_branch_hash_entry *) entry;
|
eh = (struct ppc_branch_hash_entry *) entry;
|
eh->offset = 0;
|
eh->offset = 0;
|
eh->iter = 0;
|
eh->iter = 0;
|
}
|
}
|
|
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Create an entry in a ppc64 ELF linker hash table. */
|
/* Create an entry in a ppc64 ELF linker hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
link_hash_newfunc (struct bfd_hash_entry *entry,
|
link_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
const char *string)
|
const char *string)
|
{
|
{
|
/* Allocate the structure if it has not already been allocated by a
|
/* Allocate the structure if it has not already been allocated by a
|
subclass. */
|
subclass. */
|
if (entry == NULL)
|
if (entry == NULL)
|
{
|
{
|
entry = bfd_hash_allocate (table, sizeof (struct ppc_link_hash_entry));
|
entry = bfd_hash_allocate (table, sizeof (struct ppc_link_hash_entry));
|
if (entry == NULL)
|
if (entry == NULL)
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
entry = _bfd_elf_link_hash_newfunc (entry, table, string);
|
entry = _bfd_elf_link_hash_newfunc (entry, table, string);
|
if (entry != NULL)
|
if (entry != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) entry;
|
struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) entry;
|
|
|
memset (&eh->u.stub_cache, 0,
|
memset (&eh->u.stub_cache, 0,
|
(sizeof (struct ppc_link_hash_entry)
|
(sizeof (struct ppc_link_hash_entry)
|
- offsetof (struct ppc_link_hash_entry, u.stub_cache)));
|
- offsetof (struct ppc_link_hash_entry, u.stub_cache)));
|
|
|
/* When making function calls, old ABI code references function entry
|
/* When making function calls, old ABI code references function entry
|
points (dot symbols), while new ABI code references the function
|
points (dot symbols), while new ABI code references the function
|
descriptor symbol. We need to make any combination of reference and
|
descriptor symbol. We need to make any combination of reference and
|
definition work together, without breaking archive linking.
|
definition work together, without breaking archive linking.
|
|
|
For a defined function "foo" and an undefined call to "bar":
|
For a defined function "foo" and an undefined call to "bar":
|
An old object defines "foo" and ".foo", references ".bar" (possibly
|
An old object defines "foo" and ".foo", references ".bar" (possibly
|
"bar" too).
|
"bar" too).
|
A new object defines "foo" and references "bar".
|
A new object defines "foo" and references "bar".
|
|
|
A new object thus has no problem with its undefined symbols being
|
A new object thus has no problem with its undefined symbols being
|
satisfied by definitions in an old object. On the other hand, the
|
satisfied by definitions in an old object. On the other hand, the
|
old object won't have ".bar" satisfied by a new object.
|
old object won't have ".bar" satisfied by a new object.
|
|
|
Keep a list of newly added dot-symbols. */
|
Keep a list of newly added dot-symbols. */
|
|
|
if (string[0] == '.')
|
if (string[0] == '.')
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
|
|
htab = (struct ppc_link_hash_table *) table;
|
htab = (struct ppc_link_hash_table *) table;
|
eh->u.next_dot_sym = htab->dot_syms;
|
eh->u.next_dot_sym = htab->dot_syms;
|
htab->dot_syms = eh;
|
htab->dot_syms = eh;
|
}
|
}
|
}
|
}
|
|
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Create a ppc64 ELF linker hash table. */
|
/* Create a ppc64 ELF linker hash table. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
ppc64_elf_link_hash_table_create (bfd *abfd)
|
ppc64_elf_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
bfd_size_type amt = sizeof (struct ppc_link_hash_table);
|
bfd_size_type amt = sizeof (struct ppc_link_hash_table);
|
|
|
htab = bfd_zmalloc (amt);
|
htab = bfd_zmalloc (amt);
|
if (htab == NULL)
|
if (htab == NULL)
|
return NULL;
|
return NULL;
|
|
|
if (!_bfd_elf_link_hash_table_init (&htab->elf, abfd, link_hash_newfunc,
|
if (!_bfd_elf_link_hash_table_init (&htab->elf, abfd, link_hash_newfunc,
|
sizeof (struct ppc_link_hash_entry)))
|
sizeof (struct ppc_link_hash_entry)))
|
{
|
{
|
free (htab);
|
free (htab);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Init the stub hash table too. */
|
/* Init the stub hash table too. */
|
if (!bfd_hash_table_init (&htab->stub_hash_table, stub_hash_newfunc,
|
if (!bfd_hash_table_init (&htab->stub_hash_table, stub_hash_newfunc,
|
sizeof (struct ppc_stub_hash_entry)))
|
sizeof (struct ppc_stub_hash_entry)))
|
return NULL;
|
return NULL;
|
|
|
/* And the branch hash table. */
|
/* And the branch hash table. */
|
if (!bfd_hash_table_init (&htab->branch_hash_table, branch_hash_newfunc,
|
if (!bfd_hash_table_init (&htab->branch_hash_table, branch_hash_newfunc,
|
sizeof (struct ppc_branch_hash_entry)))
|
sizeof (struct ppc_branch_hash_entry)))
|
return NULL;
|
return NULL;
|
|
|
/* Initializing two fields of the union is just cosmetic. We really
|
/* Initializing two fields of the union is just cosmetic. We really
|
only care about glist, but when compiled on a 32-bit host the
|
only care about glist, but when compiled on a 32-bit host the
|
bfd_vma fields are larger. Setting the bfd_vma to zero makes
|
bfd_vma fields are larger. Setting the bfd_vma to zero makes
|
debugger inspection of these fields look nicer. */
|
debugger inspection of these fields look nicer. */
|
htab->elf.init_got_refcount.refcount = 0;
|
htab->elf.init_got_refcount.refcount = 0;
|
htab->elf.init_got_refcount.glist = NULL;
|
htab->elf.init_got_refcount.glist = NULL;
|
htab->elf.init_plt_refcount.refcount = 0;
|
htab->elf.init_plt_refcount.refcount = 0;
|
htab->elf.init_plt_refcount.glist = NULL;
|
htab->elf.init_plt_refcount.glist = NULL;
|
htab->elf.init_got_offset.offset = 0;
|
htab->elf.init_got_offset.offset = 0;
|
htab->elf.init_got_offset.glist = NULL;
|
htab->elf.init_got_offset.glist = NULL;
|
htab->elf.init_plt_offset.offset = 0;
|
htab->elf.init_plt_offset.offset = 0;
|
htab->elf.init_plt_offset.glist = NULL;
|
htab->elf.init_plt_offset.glist = NULL;
|
|
|
return &htab->elf.root;
|
return &htab->elf.root;
|
}
|
}
|
|
|
/* Free the derived linker hash table. */
|
/* Free the derived linker hash table. */
|
|
|
static void
|
static void
|
ppc64_elf_link_hash_table_free (struct bfd_link_hash_table *hash)
|
ppc64_elf_link_hash_table_free (struct bfd_link_hash_table *hash)
|
{
|
{
|
struct ppc_link_hash_table *ret = (struct ppc_link_hash_table *) hash;
|
struct ppc_link_hash_table *ret = (struct ppc_link_hash_table *) hash;
|
|
|
bfd_hash_table_free (&ret->stub_hash_table);
|
bfd_hash_table_free (&ret->stub_hash_table);
|
bfd_hash_table_free (&ret->branch_hash_table);
|
bfd_hash_table_free (&ret->branch_hash_table);
|
_bfd_generic_link_hash_table_free (hash);
|
_bfd_generic_link_hash_table_free (hash);
|
}
|
}
|
|
|
/* Satisfy the ELF linker by filling in some fields in our fake bfd. */
|
/* Satisfy the ELF linker by filling in some fields in our fake bfd. */
|
|
|
void
|
void
|
ppc64_elf_init_stub_bfd (bfd *abfd, struct bfd_link_info *info)
|
ppc64_elf_init_stub_bfd (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
|
|
elf_elfheader (abfd)->e_ident[EI_CLASS] = ELFCLASS64;
|
elf_elfheader (abfd)->e_ident[EI_CLASS] = ELFCLASS64;
|
|
|
/* Always hook our dynamic sections into the first bfd, which is the
|
/* Always hook our dynamic sections into the first bfd, which is the
|
linker created stub bfd. This ensures that the GOT header is at
|
linker created stub bfd. This ensures that the GOT header is at
|
the start of the output TOC section. */
|
the start of the output TOC section. */
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
htab->stub_bfd = abfd;
|
htab->stub_bfd = abfd;
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
}
|
}
|
|
|
/* Build a name for an entry in the stub hash table. */
|
/* Build a name for an entry in the stub hash table. */
|
|
|
static char *
|
static char *
|
ppc_stub_name (const asection *input_section,
|
ppc_stub_name (const asection *input_section,
|
const asection *sym_sec,
|
const asection *sym_sec,
|
const struct ppc_link_hash_entry *h,
|
const struct ppc_link_hash_entry *h,
|
const Elf_Internal_Rela *rel)
|
const Elf_Internal_Rela *rel)
|
{
|
{
|
char *stub_name;
|
char *stub_name;
|
bfd_size_type len;
|
bfd_size_type len;
|
|
|
/* rel->r_addend is actually 64 bit, but who uses more than +/- 2^31
|
/* rel->r_addend is actually 64 bit, but who uses more than +/- 2^31
|
offsets from a sym as a branch target? In fact, we could
|
offsets from a sym as a branch target? In fact, we could
|
probably assume the addend is always zero. */
|
probably assume the addend is always zero. */
|
BFD_ASSERT (((int) rel->r_addend & 0xffffffff) == rel->r_addend);
|
BFD_ASSERT (((int) rel->r_addend & 0xffffffff) == rel->r_addend);
|
|
|
if (h)
|
if (h)
|
{
|
{
|
len = 8 + 1 + strlen (h->elf.root.root.string) + 1 + 8 + 1;
|
len = 8 + 1 + strlen (h->elf.root.root.string) + 1 + 8 + 1;
|
stub_name = bfd_malloc (len);
|
stub_name = bfd_malloc (len);
|
if (stub_name == NULL)
|
if (stub_name == NULL)
|
return stub_name;
|
return stub_name;
|
|
|
sprintf (stub_name, "%08x.%s+%x",
|
sprintf (stub_name, "%08x.%s+%x",
|
input_section->id & 0xffffffff,
|
input_section->id & 0xffffffff,
|
h->elf.root.root.string,
|
h->elf.root.root.string,
|
(int) rel->r_addend & 0xffffffff);
|
(int) rel->r_addend & 0xffffffff);
|
}
|
}
|
else
|
else
|
{
|
{
|
len = 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
|
len = 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
|
stub_name = bfd_malloc (len);
|
stub_name = bfd_malloc (len);
|
if (stub_name == NULL)
|
if (stub_name == NULL)
|
return stub_name;
|
return stub_name;
|
|
|
sprintf (stub_name, "%08x.%x:%x+%x",
|
sprintf (stub_name, "%08x.%x:%x+%x",
|
input_section->id & 0xffffffff,
|
input_section->id & 0xffffffff,
|
sym_sec->id & 0xffffffff,
|
sym_sec->id & 0xffffffff,
|
(int) ELF64_R_SYM (rel->r_info) & 0xffffffff,
|
(int) ELF64_R_SYM (rel->r_info) & 0xffffffff,
|
(int) rel->r_addend & 0xffffffff);
|
(int) rel->r_addend & 0xffffffff);
|
}
|
}
|
if (stub_name[len - 2] == '+' && stub_name[len - 1] == '0')
|
if (stub_name[len - 2] == '+' && stub_name[len - 1] == '0')
|
stub_name[len - 2] = 0;
|
stub_name[len - 2] = 0;
|
return stub_name;
|
return stub_name;
|
}
|
}
|
|
|
/* Look up an entry in the stub hash. Stub entries are cached because
|
/* Look up an entry in the stub hash. Stub entries are cached because
|
creating the stub name takes a bit of time. */
|
creating the stub name takes a bit of time. */
|
|
|
static struct ppc_stub_hash_entry *
|
static struct ppc_stub_hash_entry *
|
ppc_get_stub_entry (const asection *input_section,
|
ppc_get_stub_entry (const asection *input_section,
|
const asection *sym_sec,
|
const asection *sym_sec,
|
struct ppc_link_hash_entry *h,
|
struct ppc_link_hash_entry *h,
|
const Elf_Internal_Rela *rel,
|
const Elf_Internal_Rela *rel,
|
struct ppc_link_hash_table *htab)
|
struct ppc_link_hash_table *htab)
|
{
|
{
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_stub_hash_entry *stub_entry;
|
const asection *id_sec;
|
const asection *id_sec;
|
|
|
/* If this input section is part of a group of sections sharing one
|
/* If this input section is part of a group of sections sharing one
|
stub section, then use the id of the first section in the group.
|
stub section, then use the id of the first section in the group.
|
Stub names need to include a section id, as there may well be
|
Stub names need to include a section id, as there may well be
|
more than one stub used to reach say, printf, and we need to
|
more than one stub used to reach say, printf, and we need to
|
distinguish between them. */
|
distinguish between them. */
|
id_sec = htab->stub_group[input_section->id].link_sec;
|
id_sec = htab->stub_group[input_section->id].link_sec;
|
|
|
if (h != NULL && h->u.stub_cache != NULL
|
if (h != NULL && h->u.stub_cache != NULL
|
&& h->u.stub_cache->h == h
|
&& h->u.stub_cache->h == h
|
&& h->u.stub_cache->id_sec == id_sec)
|
&& h->u.stub_cache->id_sec == id_sec)
|
{
|
{
|
stub_entry = h->u.stub_cache;
|
stub_entry = h->u.stub_cache;
|
}
|
}
|
else
|
else
|
{
|
{
|
char *stub_name;
|
char *stub_name;
|
|
|
stub_name = ppc_stub_name (id_sec, sym_sec, h, rel);
|
stub_name = ppc_stub_name (id_sec, sym_sec, h, rel);
|
if (stub_name == NULL)
|
if (stub_name == NULL)
|
return NULL;
|
return NULL;
|
|
|
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
|
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
|
stub_name, FALSE, FALSE);
|
stub_name, FALSE, FALSE);
|
if (h != NULL)
|
if (h != NULL)
|
h->u.stub_cache = stub_entry;
|
h->u.stub_cache = stub_entry;
|
|
|
free (stub_name);
|
free (stub_name);
|
}
|
}
|
|
|
return stub_entry;
|
return stub_entry;
|
}
|
}
|
|
|
/* Add a new stub entry to the stub hash. Not all fields of the new
|
/* Add a new stub entry to the stub hash. Not all fields of the new
|
stub entry are initialised. */
|
stub entry are initialised. */
|
|
|
static struct ppc_stub_hash_entry *
|
static struct ppc_stub_hash_entry *
|
ppc_add_stub (const char *stub_name,
|
ppc_add_stub (const char *stub_name,
|
asection *section,
|
asection *section,
|
struct ppc_link_hash_table *htab)
|
struct ppc_link_hash_table *htab)
|
{
|
{
|
asection *link_sec;
|
asection *link_sec;
|
asection *stub_sec;
|
asection *stub_sec;
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_stub_hash_entry *stub_entry;
|
|
|
link_sec = htab->stub_group[section->id].link_sec;
|
link_sec = htab->stub_group[section->id].link_sec;
|
stub_sec = htab->stub_group[section->id].stub_sec;
|
stub_sec = htab->stub_group[section->id].stub_sec;
|
if (stub_sec == NULL)
|
if (stub_sec == NULL)
|
{
|
{
|
stub_sec = htab->stub_group[link_sec->id].stub_sec;
|
stub_sec = htab->stub_group[link_sec->id].stub_sec;
|
if (stub_sec == NULL)
|
if (stub_sec == NULL)
|
{
|
{
|
size_t namelen;
|
size_t namelen;
|
bfd_size_type len;
|
bfd_size_type len;
|
char *s_name;
|
char *s_name;
|
|
|
namelen = strlen (link_sec->name);
|
namelen = strlen (link_sec->name);
|
len = namelen + sizeof (STUB_SUFFIX);
|
len = namelen + sizeof (STUB_SUFFIX);
|
s_name = bfd_alloc (htab->stub_bfd, len);
|
s_name = bfd_alloc (htab->stub_bfd, len);
|
if (s_name == NULL)
|
if (s_name == NULL)
|
return NULL;
|
return NULL;
|
|
|
memcpy (s_name, link_sec->name, namelen);
|
memcpy (s_name, link_sec->name, namelen);
|
memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
|
memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
|
stub_sec = (*htab->add_stub_section) (s_name, link_sec);
|
stub_sec = (*htab->add_stub_section) (s_name, link_sec);
|
if (stub_sec == NULL)
|
if (stub_sec == NULL)
|
return NULL;
|
return NULL;
|
htab->stub_group[link_sec->id].stub_sec = stub_sec;
|
htab->stub_group[link_sec->id].stub_sec = stub_sec;
|
}
|
}
|
htab->stub_group[section->id].stub_sec = stub_sec;
|
htab->stub_group[section->id].stub_sec = stub_sec;
|
}
|
}
|
|
|
/* Enter this entry into the linker stub hash table. */
|
/* Enter this entry into the linker stub hash table. */
|
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table, stub_name,
|
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table, stub_name,
|
TRUE, FALSE);
|
TRUE, FALSE);
|
if (stub_entry == NULL)
|
if (stub_entry == NULL)
|
{
|
{
|
(*_bfd_error_handler) (_("%B: cannot create stub entry %s"),
|
(*_bfd_error_handler) (_("%B: cannot create stub entry %s"),
|
section->owner, stub_name);
|
section->owner, stub_name);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
stub_entry->stub_sec = stub_sec;
|
stub_entry->stub_sec = stub_sec;
|
stub_entry->stub_offset = 0;
|
stub_entry->stub_offset = 0;
|
stub_entry->id_sec = link_sec;
|
stub_entry->id_sec = link_sec;
|
return stub_entry;
|
return stub_entry;
|
}
|
}
|
|
|
/* Create sections for linker generated code. */
|
/* Create sections for linker generated code. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
create_linkage_sections (bfd *dynobj, struct bfd_link_info *info)
|
create_linkage_sections (bfd *dynobj, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
flagword flags;
|
flagword flags;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
/* Create .sfpr for code to save and restore fp regs. */
|
/* Create .sfpr for code to save and restore fp regs. */
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
htab->sfpr = bfd_make_section_anyway_with_flags (dynobj, ".sfpr",
|
htab->sfpr = bfd_make_section_anyway_with_flags (dynobj, ".sfpr",
|
flags);
|
flags);
|
if (htab->sfpr == NULL
|
if (htab->sfpr == NULL
|
|| ! bfd_set_section_alignment (dynobj, htab->sfpr, 2))
|
|| ! bfd_set_section_alignment (dynobj, htab->sfpr, 2))
|
return FALSE;
|
return FALSE;
|
|
|
/* Create .glink for lazy dynamic linking support. */
|
/* Create .glink for lazy dynamic linking support. */
|
htab->glink = bfd_make_section_anyway_with_flags (dynobj, ".glink",
|
htab->glink = bfd_make_section_anyway_with_flags (dynobj, ".glink",
|
flags);
|
flags);
|
if (htab->glink == NULL
|
if (htab->glink == NULL
|
|| ! bfd_set_section_alignment (dynobj, htab->glink, 3))
|
|| ! bfd_set_section_alignment (dynobj, htab->glink, 3))
|
return FALSE;
|
return FALSE;
|
|
|
/* Create branch lookup table for plt_branch stubs. */
|
/* Create branch lookup table for plt_branch stubs. */
|
flags = (SEC_ALLOC | SEC_LOAD
|
flags = (SEC_ALLOC | SEC_LOAD
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
htab->brlt = bfd_make_section_anyway_with_flags (dynobj, ".branch_lt",
|
htab->brlt = bfd_make_section_anyway_with_flags (dynobj, ".branch_lt",
|
flags);
|
flags);
|
if (htab->brlt == NULL
|
if (htab->brlt == NULL
|
|| ! bfd_set_section_alignment (dynobj, htab->brlt, 3))
|
|| ! bfd_set_section_alignment (dynobj, htab->brlt, 3))
|
return FALSE;
|
return FALSE;
|
|
|
if (!info->shared)
|
if (!info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
htab->relbrlt = bfd_make_section_anyway_with_flags (dynobj,
|
htab->relbrlt = bfd_make_section_anyway_with_flags (dynobj,
|
".rela.branch_lt",
|
".rela.branch_lt",
|
flags);
|
flags);
|
if (!htab->relbrlt
|
if (!htab->relbrlt
|
|| ! bfd_set_section_alignment (dynobj, htab->relbrlt, 3))
|
|| ! bfd_set_section_alignment (dynobj, htab->relbrlt, 3))
|
return FALSE;
|
return FALSE;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Create .got and .rela.got sections in ABFD, and .got in dynobj if
|
/* Create .got and .rela.got sections in ABFD, and .got in dynobj if
|
not already done. */
|
not already done. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
create_got_section (bfd *abfd, struct bfd_link_info *info)
|
create_got_section (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
asection *got, *relgot;
|
asection *got, *relgot;
|
flagword flags;
|
flagword flags;
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
|
|
if (!is_ppc64_elf (abfd))
|
if (!is_ppc64_elf (abfd))
|
return FALSE;
|
return FALSE;
|
|
|
if (!htab->got)
|
if (!htab->got)
|
{
|
{
|
if (! _bfd_elf_create_got_section (htab->elf.dynobj, info))
|
if (! _bfd_elf_create_got_section (htab->elf.dynobj, info))
|
return FALSE;
|
return FALSE;
|
|
|
htab->got = bfd_get_section_by_name (htab->elf.dynobj, ".got");
|
htab->got = bfd_get_section_by_name (htab->elf.dynobj, ".got");
|
if (!htab->got)
|
if (!htab->got)
|
abort ();
|
abort ();
|
}
|
}
|
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
| SEC_LINKER_CREATED);
|
| SEC_LINKER_CREATED);
|
|
|
got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
|
got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
|
if (!got
|
if (!got
|
|| !bfd_set_section_alignment (abfd, got, 3))
|
|| !bfd_set_section_alignment (abfd, got, 3))
|
return FALSE;
|
return FALSE;
|
|
|
relgot = bfd_make_section_anyway_with_flags (abfd, ".rela.got",
|
relgot = bfd_make_section_anyway_with_flags (abfd, ".rela.got",
|
flags | SEC_READONLY);
|
flags | SEC_READONLY);
|
if (!relgot
|
if (!relgot
|
|| ! bfd_set_section_alignment (abfd, relgot, 3))
|
|| ! bfd_set_section_alignment (abfd, relgot, 3))
|
return FALSE;
|
return FALSE;
|
|
|
ppc64_elf_tdata (abfd)->got = got;
|
ppc64_elf_tdata (abfd)->got = got;
|
ppc64_elf_tdata (abfd)->relgot = relgot;
|
ppc64_elf_tdata (abfd)->relgot = relgot;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Create the dynamic sections, and set up shortcuts. */
|
/* Create the dynamic sections, and set up shortcuts. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
|
ppc64_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
|
|
if (!_bfd_elf_create_dynamic_sections (dynobj, info))
|
if (!_bfd_elf_create_dynamic_sections (dynobj, info))
|
return FALSE;
|
return FALSE;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
if (!htab->got)
|
if (!htab->got)
|
htab->got = bfd_get_section_by_name (dynobj, ".got");
|
htab->got = bfd_get_section_by_name (dynobj, ".got");
|
htab->plt = bfd_get_section_by_name (dynobj, ".plt");
|
htab->plt = bfd_get_section_by_name (dynobj, ".plt");
|
htab->relplt = bfd_get_section_by_name (dynobj, ".rela.plt");
|
htab->relplt = bfd_get_section_by_name (dynobj, ".rela.plt");
|
htab->dynbss = bfd_get_section_by_name (dynobj, ".dynbss");
|
htab->dynbss = bfd_get_section_by_name (dynobj, ".dynbss");
|
if (!info->shared)
|
if (!info->shared)
|
htab->relbss = bfd_get_section_by_name (dynobj, ".rela.bss");
|
htab->relbss = bfd_get_section_by_name (dynobj, ".rela.bss");
|
|
|
if (!htab->got || !htab->plt || !htab->relplt || !htab->dynbss
|
if (!htab->got || !htab->plt || !htab->relplt || !htab->dynbss
|
|| (!info->shared && !htab->relbss))
|
|| (!info->shared && !htab->relbss))
|
abort ();
|
abort ();
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Merge PLT info on FROM with that on TO. */
|
/* Merge PLT info on FROM with that on TO. */
|
|
|
static void
|
static void
|
move_plt_plist (struct ppc_link_hash_entry *from,
|
move_plt_plist (struct ppc_link_hash_entry *from,
|
struct ppc_link_hash_entry *to)
|
struct ppc_link_hash_entry *to)
|
{
|
{
|
if (from->elf.plt.plist != NULL)
|
if (from->elf.plt.plist != NULL)
|
{
|
{
|
if (to->elf.plt.plist != NULL)
|
if (to->elf.plt.plist != NULL)
|
{
|
{
|
struct plt_entry **entp;
|
struct plt_entry **entp;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
for (entp = &from->elf.plt.plist; (ent = *entp) != NULL; )
|
for (entp = &from->elf.plt.plist; (ent = *entp) != NULL; )
|
{
|
{
|
struct plt_entry *dent;
|
struct plt_entry *dent;
|
|
|
for (dent = to->elf.plt.plist; dent != NULL; dent = dent->next)
|
for (dent = to->elf.plt.plist; dent != NULL; dent = dent->next)
|
if (dent->addend == ent->addend)
|
if (dent->addend == ent->addend)
|
{
|
{
|
dent->plt.refcount += ent->plt.refcount;
|
dent->plt.refcount += ent->plt.refcount;
|
*entp = ent->next;
|
*entp = ent->next;
|
break;
|
break;
|
}
|
}
|
if (dent == NULL)
|
if (dent == NULL)
|
entp = &ent->next;
|
entp = &ent->next;
|
}
|
}
|
*entp = to->elf.plt.plist;
|
*entp = to->elf.plt.plist;
|
}
|
}
|
|
|
to->elf.plt.plist = from->elf.plt.plist;
|
to->elf.plt.plist = from->elf.plt.plist;
|
from->elf.plt.plist = NULL;
|
from->elf.plt.plist = NULL;
|
}
|
}
|
}
|
}
|
|
|
/* Copy the extra info we tack onto an elf_link_hash_entry. */
|
/* Copy the extra info we tack onto an elf_link_hash_entry. */
|
|
|
static void
|
static void
|
ppc64_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
ppc64_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *dir,
|
struct elf_link_hash_entry *dir,
|
struct elf_link_hash_entry *ind)
|
struct elf_link_hash_entry *ind)
|
{
|
{
|
struct ppc_link_hash_entry *edir, *eind;
|
struct ppc_link_hash_entry *edir, *eind;
|
|
|
edir = (struct ppc_link_hash_entry *) dir;
|
edir = (struct ppc_link_hash_entry *) dir;
|
eind = (struct ppc_link_hash_entry *) ind;
|
eind = (struct ppc_link_hash_entry *) ind;
|
|
|
/* Copy over any dynamic relocs we may have on the indirect sym. */
|
/* Copy over any dynamic relocs we may have on the indirect sym. */
|
if (eind->dyn_relocs != NULL)
|
if (eind->dyn_relocs != NULL)
|
{
|
{
|
if (edir->dyn_relocs != NULL)
|
if (edir->dyn_relocs != NULL)
|
{
|
{
|
struct ppc_dyn_relocs **pp;
|
struct ppc_dyn_relocs **pp;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
|
|
/* Add reloc counts against the indirect sym to the direct sym
|
/* Add reloc counts against the indirect sym to the direct sym
|
list. Merge any entries against the same section. */
|
list. Merge any entries against the same section. */
|
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
struct ppc_dyn_relocs *q;
|
struct ppc_dyn_relocs *q;
|
|
|
for (q = edir->dyn_relocs; q != NULL; q = q->next)
|
for (q = edir->dyn_relocs; q != NULL; q = q->next)
|
if (q->sec == p->sec)
|
if (q->sec == p->sec)
|
{
|
{
|
q->pc_count += p->pc_count;
|
q->pc_count += p->pc_count;
|
q->count += p->count;
|
q->count += p->count;
|
*pp = p->next;
|
*pp = p->next;
|
break;
|
break;
|
}
|
}
|
if (q == NULL)
|
if (q == NULL)
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
*pp = edir->dyn_relocs;
|
*pp = edir->dyn_relocs;
|
}
|
}
|
|
|
edir->dyn_relocs = eind->dyn_relocs;
|
edir->dyn_relocs = eind->dyn_relocs;
|
eind->dyn_relocs = NULL;
|
eind->dyn_relocs = NULL;
|
}
|
}
|
|
|
edir->is_func |= eind->is_func;
|
edir->is_func |= eind->is_func;
|
edir->is_func_descriptor |= eind->is_func_descriptor;
|
edir->is_func_descriptor |= eind->is_func_descriptor;
|
edir->tls_mask |= eind->tls_mask;
|
edir->tls_mask |= eind->tls_mask;
|
|
|
/* If called to transfer flags for a weakdef during processing
|
/* If called to transfer flags for a weakdef during processing
|
of elf_adjust_dynamic_symbol, don't copy NON_GOT_REF.
|
of elf_adjust_dynamic_symbol, don't copy NON_GOT_REF.
|
We clear it ourselves for ELIMINATE_COPY_RELOCS. */
|
We clear it ourselves for ELIMINATE_COPY_RELOCS. */
|
if (!(ELIMINATE_COPY_RELOCS
|
if (!(ELIMINATE_COPY_RELOCS
|
&& eind->elf.root.type != bfd_link_hash_indirect
|
&& eind->elf.root.type != bfd_link_hash_indirect
|
&& edir->elf.dynamic_adjusted))
|
&& edir->elf.dynamic_adjusted))
|
edir->elf.non_got_ref |= eind->elf.non_got_ref;
|
edir->elf.non_got_ref |= eind->elf.non_got_ref;
|
|
|
edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
|
edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
|
edir->elf.ref_regular |= eind->elf.ref_regular;
|
edir->elf.ref_regular |= eind->elf.ref_regular;
|
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
|
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
|
edir->elf.needs_plt |= eind->elf.needs_plt;
|
edir->elf.needs_plt |= eind->elf.needs_plt;
|
|
|
/* If we were called to copy over info for a weak sym, that's all. */
|
/* If we were called to copy over info for a weak sym, that's all. */
|
if (eind->elf.root.type != bfd_link_hash_indirect)
|
if (eind->elf.root.type != bfd_link_hash_indirect)
|
return;
|
return;
|
|
|
/* Copy over got entries that we may have already seen to the
|
/* Copy over got entries that we may have already seen to the
|
symbol which just became indirect. */
|
symbol which just became indirect. */
|
if (eind->elf.got.glist != NULL)
|
if (eind->elf.got.glist != NULL)
|
{
|
{
|
if (edir->elf.got.glist != NULL)
|
if (edir->elf.got.glist != NULL)
|
{
|
{
|
struct got_entry **entp;
|
struct got_entry **entp;
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
for (entp = &eind->elf.got.glist; (ent = *entp) != NULL; )
|
for (entp = &eind->elf.got.glist; (ent = *entp) != NULL; )
|
{
|
{
|
struct got_entry *dent;
|
struct got_entry *dent;
|
|
|
for (dent = edir->elf.got.glist; dent != NULL; dent = dent->next)
|
for (dent = edir->elf.got.glist; dent != NULL; dent = dent->next)
|
if (dent->addend == ent->addend
|
if (dent->addend == ent->addend
|
&& dent->owner == ent->owner
|
&& dent->owner == ent->owner
|
&& dent->tls_type == ent->tls_type)
|
&& dent->tls_type == ent->tls_type)
|
{
|
{
|
dent->got.refcount += ent->got.refcount;
|
dent->got.refcount += ent->got.refcount;
|
*entp = ent->next;
|
*entp = ent->next;
|
break;
|
break;
|
}
|
}
|
if (dent == NULL)
|
if (dent == NULL)
|
entp = &ent->next;
|
entp = &ent->next;
|
}
|
}
|
*entp = edir->elf.got.glist;
|
*entp = edir->elf.got.glist;
|
}
|
}
|
|
|
edir->elf.got.glist = eind->elf.got.glist;
|
edir->elf.got.glist = eind->elf.got.glist;
|
eind->elf.got.glist = NULL;
|
eind->elf.got.glist = NULL;
|
}
|
}
|
|
|
/* And plt entries. */
|
/* And plt entries. */
|
move_plt_plist (eind, edir);
|
move_plt_plist (eind, edir);
|
|
|
if (eind->elf.dynindx != -1)
|
if (eind->elf.dynindx != -1)
|
{
|
{
|
if (edir->elf.dynindx != -1)
|
if (edir->elf.dynindx != -1)
|
_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
|
_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
|
edir->elf.dynstr_index);
|
edir->elf.dynstr_index);
|
edir->elf.dynindx = eind->elf.dynindx;
|
edir->elf.dynindx = eind->elf.dynindx;
|
edir->elf.dynstr_index = eind->elf.dynstr_index;
|
edir->elf.dynstr_index = eind->elf.dynstr_index;
|
eind->elf.dynindx = -1;
|
eind->elf.dynindx = -1;
|
eind->elf.dynstr_index = 0;
|
eind->elf.dynstr_index = 0;
|
}
|
}
|
}
|
}
|
|
|
/* Find the function descriptor hash entry from the given function code
|
/* Find the function descriptor hash entry from the given function code
|
hash entry FH. Link the entries via their OH fields. */
|
hash entry FH. Link the entries via their OH fields. */
|
|
|
static struct ppc_link_hash_entry *
|
static struct ppc_link_hash_entry *
|
get_fdh (struct ppc_link_hash_entry *fh, struct ppc_link_hash_table *htab)
|
get_fdh (struct ppc_link_hash_entry *fh, struct ppc_link_hash_table *htab)
|
{
|
{
|
struct ppc_link_hash_entry *fdh = fh->oh;
|
struct ppc_link_hash_entry *fdh = fh->oh;
|
|
|
if (fdh == NULL)
|
if (fdh == NULL)
|
{
|
{
|
const char *fd_name = fh->elf.root.root.string + 1;
|
const char *fd_name = fh->elf.root.root.string + 1;
|
|
|
fdh = (struct ppc_link_hash_entry *)
|
fdh = (struct ppc_link_hash_entry *)
|
elf_link_hash_lookup (&htab->elf, fd_name, FALSE, FALSE, FALSE);
|
elf_link_hash_lookup (&htab->elf, fd_name, FALSE, FALSE, FALSE);
|
if (fdh != NULL)
|
if (fdh != NULL)
|
{
|
{
|
fdh->is_func_descriptor = 1;
|
fdh->is_func_descriptor = 1;
|
fdh->oh = fh;
|
fdh->oh = fh;
|
fh->is_func = 1;
|
fh->is_func = 1;
|
fh->oh = fdh;
|
fh->oh = fdh;
|
}
|
}
|
}
|
}
|
|
|
return fdh;
|
return fdh;
|
}
|
}
|
|
|
/* Make a fake function descriptor sym for the code sym FH. */
|
/* Make a fake function descriptor sym for the code sym FH. */
|
|
|
static struct ppc_link_hash_entry *
|
static struct ppc_link_hash_entry *
|
make_fdh (struct bfd_link_info *info,
|
make_fdh (struct bfd_link_info *info,
|
struct ppc_link_hash_entry *fh)
|
struct ppc_link_hash_entry *fh)
|
{
|
{
|
bfd *abfd;
|
bfd *abfd;
|
asymbol *newsym;
|
asymbol *newsym;
|
struct bfd_link_hash_entry *bh;
|
struct bfd_link_hash_entry *bh;
|
struct ppc_link_hash_entry *fdh;
|
struct ppc_link_hash_entry *fdh;
|
|
|
abfd = fh->elf.root.u.undef.abfd;
|
abfd = fh->elf.root.u.undef.abfd;
|
newsym = bfd_make_empty_symbol (abfd);
|
newsym = bfd_make_empty_symbol (abfd);
|
newsym->name = fh->elf.root.root.string + 1;
|
newsym->name = fh->elf.root.root.string + 1;
|
newsym->section = bfd_und_section_ptr;
|
newsym->section = bfd_und_section_ptr;
|
newsym->value = 0;
|
newsym->value = 0;
|
newsym->flags = BSF_WEAK;
|
newsym->flags = BSF_WEAK;
|
|
|
bh = NULL;
|
bh = NULL;
|
if (!_bfd_generic_link_add_one_symbol (info, abfd, newsym->name,
|
if (!_bfd_generic_link_add_one_symbol (info, abfd, newsym->name,
|
newsym->flags, newsym->section,
|
newsym->flags, newsym->section,
|
newsym->value, NULL, FALSE, FALSE,
|
newsym->value, NULL, FALSE, FALSE,
|
&bh))
|
&bh))
|
return NULL;
|
return NULL;
|
|
|
fdh = (struct ppc_link_hash_entry *) bh;
|
fdh = (struct ppc_link_hash_entry *) bh;
|
fdh->elf.non_elf = 0;
|
fdh->elf.non_elf = 0;
|
fdh->fake = 1;
|
fdh->fake = 1;
|
fdh->is_func_descriptor = 1;
|
fdh->is_func_descriptor = 1;
|
fdh->oh = fh;
|
fdh->oh = fh;
|
fh->is_func = 1;
|
fh->is_func = 1;
|
fh->oh = fdh;
|
fh->oh = fdh;
|
return fdh;
|
return fdh;
|
}
|
}
|
|
|
/* Fix function descriptor symbols defined in .opd sections to be
|
/* Fix function descriptor symbols defined in .opd sections to be
|
function type. */
|
function type. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_add_symbol_hook (bfd *ibfd ATTRIBUTE_UNUSED,
|
ppc64_elf_add_symbol_hook (bfd *ibfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
Elf_Internal_Sym *isym,
|
Elf_Internal_Sym *isym,
|
const char **name ATTRIBUTE_UNUSED,
|
const char **name ATTRIBUTE_UNUSED,
|
flagword *flags ATTRIBUTE_UNUSED,
|
flagword *flags ATTRIBUTE_UNUSED,
|
asection **sec,
|
asection **sec,
|
bfd_vma *value ATTRIBUTE_UNUSED)
|
bfd_vma *value ATTRIBUTE_UNUSED)
|
{
|
{
|
if (*sec != NULL
|
if (*sec != NULL
|
&& strcmp (bfd_get_section_name (ibfd, *sec), ".opd") == 0)
|
&& strcmp (bfd_get_section_name (ibfd, *sec), ".opd") == 0)
|
isym->st_info = ELF_ST_INFO (ELF_ST_BIND (isym->st_info), STT_FUNC);
|
isym->st_info = ELF_ST_INFO (ELF_ST_BIND (isym->st_info), STT_FUNC);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This function makes an old ABI object reference to ".bar" cause the
|
/* This function makes an old ABI object reference to ".bar" cause the
|
inclusion of a new ABI object archive that defines "bar".
|
inclusion of a new ABI object archive that defines "bar".
|
NAME is a symbol defined in an archive. Return a symbol in the hash
|
NAME is a symbol defined in an archive. Return a symbol in the hash
|
table that might be satisfied by the archive symbols. */
|
table that might be satisfied by the archive symbols. */
|
|
|
static struct elf_link_hash_entry *
|
static struct elf_link_hash_entry *
|
ppc64_elf_archive_symbol_lookup (bfd *abfd,
|
ppc64_elf_archive_symbol_lookup (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
const char *name)
|
const char *name)
|
{
|
{
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
char *dot_name;
|
char *dot_name;
|
size_t len;
|
size_t len;
|
|
|
h = _bfd_elf_archive_symbol_lookup (abfd, info, name);
|
h = _bfd_elf_archive_symbol_lookup (abfd, info, name);
|
if (h != NULL
|
if (h != NULL
|
/* Don't return this sym if it is a fake function descriptor
|
/* Don't return this sym if it is a fake function descriptor
|
created by add_symbol_adjust. */
|
created by add_symbol_adjust. */
|
&& !(h->root.type == bfd_link_hash_undefweak
|
&& !(h->root.type == bfd_link_hash_undefweak
|
&& ((struct ppc_link_hash_entry *) h)->fake))
|
&& ((struct ppc_link_hash_entry *) h)->fake))
|
return h;
|
return h;
|
|
|
if (name[0] == '.')
|
if (name[0] == '.')
|
return h;
|
return h;
|
|
|
len = strlen (name);
|
len = strlen (name);
|
dot_name = bfd_alloc (abfd, len + 2);
|
dot_name = bfd_alloc (abfd, len + 2);
|
if (dot_name == NULL)
|
if (dot_name == NULL)
|
return (struct elf_link_hash_entry *) 0 - 1;
|
return (struct elf_link_hash_entry *) 0 - 1;
|
dot_name[0] = '.';
|
dot_name[0] = '.';
|
memcpy (dot_name + 1, name, len + 1);
|
memcpy (dot_name + 1, name, len + 1);
|
h = _bfd_elf_archive_symbol_lookup (abfd, info, dot_name);
|
h = _bfd_elf_archive_symbol_lookup (abfd, info, dot_name);
|
bfd_release (abfd, dot_name);
|
bfd_release (abfd, dot_name);
|
return h;
|
return h;
|
}
|
}
|
|
|
/* This function satisfies all old ABI object references to ".bar" if a
|
/* This function satisfies all old ABI object references to ".bar" if a
|
new ABI object defines "bar". Well, at least, undefined dot symbols
|
new ABI object defines "bar". Well, at least, undefined dot symbols
|
are made weak. This stops later archive searches from including an
|
are made weak. This stops later archive searches from including an
|
object if we already have a function descriptor definition. It also
|
object if we already have a function descriptor definition. It also
|
prevents the linker complaining about undefined symbols.
|
prevents the linker complaining about undefined symbols.
|
We also check and correct mismatched symbol visibility here. The
|
We also check and correct mismatched symbol visibility here. The
|
most restrictive visibility of the function descriptor and the
|
most restrictive visibility of the function descriptor and the
|
function entry symbol is used. */
|
function entry symbol is used. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
add_symbol_adjust (struct ppc_link_hash_entry *eh, struct bfd_link_info *info)
|
add_symbol_adjust (struct ppc_link_hash_entry *eh, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_entry *fdh;
|
struct ppc_link_hash_entry *fdh;
|
|
|
if (eh->elf.root.type == bfd_link_hash_indirect)
|
if (eh->elf.root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (eh->elf.root.type == bfd_link_hash_warning)
|
if (eh->elf.root.type == bfd_link_hash_warning)
|
eh = (struct ppc_link_hash_entry *) eh->elf.root.u.i.link;
|
eh = (struct ppc_link_hash_entry *) eh->elf.root.u.i.link;
|
|
|
if (eh->elf.root.root.string[0] != '.')
|
if (eh->elf.root.root.string[0] != '.')
|
abort ();
|
abort ();
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
fdh = get_fdh (eh, htab);
|
fdh = get_fdh (eh, htab);
|
if (fdh == NULL
|
if (fdh == NULL
|
&& !info->relocatable
|
&& !info->relocatable
|
&& (eh->elf.root.type == bfd_link_hash_undefined
|
&& (eh->elf.root.type == bfd_link_hash_undefined
|
|| eh->elf.root.type == bfd_link_hash_undefweak)
|
|| eh->elf.root.type == bfd_link_hash_undefweak)
|
&& eh->elf.ref_regular)
|
&& eh->elf.ref_regular)
|
{
|
{
|
/* Make an undefweak function descriptor sym, which is enough to
|
/* Make an undefweak function descriptor sym, which is enough to
|
pull in an --as-needed shared lib, but won't cause link
|
pull in an --as-needed shared lib, but won't cause link
|
errors. Archives are handled elsewhere. */
|
errors. Archives are handled elsewhere. */
|
fdh = make_fdh (info, eh);
|
fdh = make_fdh (info, eh);
|
if (fdh == NULL)
|
if (fdh == NULL)
|
return FALSE;
|
return FALSE;
|
else
|
else
|
fdh->elf.ref_regular = 1;
|
fdh->elf.ref_regular = 1;
|
}
|
}
|
else if (fdh != NULL)
|
else if (fdh != NULL)
|
{
|
{
|
unsigned entry_vis = ELF_ST_VISIBILITY (eh->elf.other) - 1;
|
unsigned entry_vis = ELF_ST_VISIBILITY (eh->elf.other) - 1;
|
unsigned descr_vis = ELF_ST_VISIBILITY (fdh->elf.other) - 1;
|
unsigned descr_vis = ELF_ST_VISIBILITY (fdh->elf.other) - 1;
|
if (entry_vis < descr_vis)
|
if (entry_vis < descr_vis)
|
fdh->elf.other += entry_vis - descr_vis;
|
fdh->elf.other += entry_vis - descr_vis;
|
else if (entry_vis > descr_vis)
|
else if (entry_vis > descr_vis)
|
eh->elf.other += descr_vis - entry_vis;
|
eh->elf.other += descr_vis - entry_vis;
|
|
|
if ((fdh->elf.root.type == bfd_link_hash_defined
|
if ((fdh->elf.root.type == bfd_link_hash_defined
|
|| fdh->elf.root.type == bfd_link_hash_defweak)
|
|| fdh->elf.root.type == bfd_link_hash_defweak)
|
&& eh->elf.root.type == bfd_link_hash_undefined)
|
&& eh->elf.root.type == bfd_link_hash_undefined)
|
{
|
{
|
eh->elf.root.type = bfd_link_hash_undefweak;
|
eh->elf.root.type = bfd_link_hash_undefweak;
|
eh->was_undefined = 1;
|
eh->was_undefined = 1;
|
htab->twiddled_syms = 1;
|
htab->twiddled_syms = 1;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Process list of dot-symbols we made in link_hash_newfunc. */
|
/* Process list of dot-symbols we made in link_hash_newfunc. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_check_directives (bfd *ibfd, struct bfd_link_info *info)
|
ppc64_elf_check_directives (bfd *ibfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_entry **p, *eh;
|
struct ppc_link_hash_entry **p, *eh;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
if (!is_ppc64_elf (info->output_bfd))
|
if (!is_ppc64_elf (info->output_bfd))
|
return TRUE;
|
return TRUE;
|
|
|
if (is_ppc64_elf (ibfd))
|
if (is_ppc64_elf (ibfd))
|
{
|
{
|
p = &htab->dot_syms;
|
p = &htab->dot_syms;
|
while ((eh = *p) != NULL)
|
while ((eh = *p) != NULL)
|
{
|
{
|
*p = NULL;
|
*p = NULL;
|
if (!add_symbol_adjust (eh, info))
|
if (!add_symbol_adjust (eh, info))
|
return FALSE;
|
return FALSE;
|
p = &eh->u.next_dot_sym;
|
p = &eh->u.next_dot_sym;
|
}
|
}
|
}
|
}
|
|
|
/* Clear the list for non-ppc64 input files. */
|
/* Clear the list for non-ppc64 input files. */
|
p = &htab->dot_syms;
|
p = &htab->dot_syms;
|
while ((eh = *p) != NULL)
|
while ((eh = *p) != NULL)
|
{
|
{
|
*p = NULL;
|
*p = NULL;
|
p = &eh->u.next_dot_sym;
|
p = &eh->u.next_dot_sym;
|
}
|
}
|
|
|
/* We need to fix the undefs list for any syms we have twiddled to
|
/* We need to fix the undefs list for any syms we have twiddled to
|
undef_weak. */
|
undef_weak. */
|
if (htab->twiddled_syms)
|
if (htab->twiddled_syms)
|
{
|
{
|
bfd_link_repair_undef_list (&htab->elf.root);
|
bfd_link_repair_undef_list (&htab->elf.root);
|
htab->twiddled_syms = 0;
|
htab->twiddled_syms = 0;
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Undo hash table changes when an --as-needed input file is determined
|
/* Undo hash table changes when an --as-needed input file is determined
|
not to be needed. */
|
not to be needed. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_as_needed_cleanup (bfd *ibfd ATTRIBUTE_UNUSED,
|
ppc64_elf_as_needed_cleanup (bfd *ibfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
ppc_hash_table (info)->dot_syms = NULL;
|
ppc_hash_table (info)->dot_syms = NULL;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
update_local_sym_info (bfd *abfd, Elf_Internal_Shdr *symtab_hdr,
|
update_local_sym_info (bfd *abfd, Elf_Internal_Shdr *symtab_hdr,
|
unsigned long r_symndx, bfd_vma r_addend, int tls_type)
|
unsigned long r_symndx, bfd_vma r_addend, int tls_type)
|
{
|
{
|
struct got_entry **local_got_ents = elf_local_got_ents (abfd);
|
struct got_entry **local_got_ents = elf_local_got_ents (abfd);
|
char *local_got_tls_masks;
|
char *local_got_tls_masks;
|
|
|
if (local_got_ents == NULL)
|
if (local_got_ents == NULL)
|
{
|
{
|
bfd_size_type size = symtab_hdr->sh_info;
|
bfd_size_type size = symtab_hdr->sh_info;
|
|
|
size *= sizeof (*local_got_ents) + sizeof (*local_got_tls_masks);
|
size *= sizeof (*local_got_ents) + sizeof (*local_got_tls_masks);
|
local_got_ents = bfd_zalloc (abfd, size);
|
local_got_ents = bfd_zalloc (abfd, size);
|
if (local_got_ents == NULL)
|
if (local_got_ents == NULL)
|
return FALSE;
|
return FALSE;
|
elf_local_got_ents (abfd) = local_got_ents;
|
elf_local_got_ents (abfd) = local_got_ents;
|
}
|
}
|
|
|
if ((tls_type & TLS_EXPLICIT) == 0)
|
if ((tls_type & TLS_EXPLICIT) == 0)
|
{
|
{
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
for (ent = local_got_ents[r_symndx]; ent != NULL; ent = ent->next)
|
for (ent = local_got_ents[r_symndx]; ent != NULL; ent = ent->next)
|
if (ent->addend == r_addend
|
if (ent->addend == r_addend
|
&& ent->owner == abfd
|
&& ent->owner == abfd
|
&& ent->tls_type == tls_type)
|
&& ent->tls_type == tls_type)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
{
|
{
|
bfd_size_type amt = sizeof (*ent);
|
bfd_size_type amt = sizeof (*ent);
|
ent = bfd_alloc (abfd, amt);
|
ent = bfd_alloc (abfd, amt);
|
if (ent == NULL)
|
if (ent == NULL)
|
return FALSE;
|
return FALSE;
|
ent->next = local_got_ents[r_symndx];
|
ent->next = local_got_ents[r_symndx];
|
ent->addend = r_addend;
|
ent->addend = r_addend;
|
ent->owner = abfd;
|
ent->owner = abfd;
|
ent->tls_type = tls_type;
|
ent->tls_type = tls_type;
|
ent->got.refcount = 0;
|
ent->got.refcount = 0;
|
local_got_ents[r_symndx] = ent;
|
local_got_ents[r_symndx] = ent;
|
}
|
}
|
ent->got.refcount += 1;
|
ent->got.refcount += 1;
|
}
|
}
|
|
|
local_got_tls_masks = (char *) (local_got_ents + symtab_hdr->sh_info);
|
local_got_tls_masks = (char *) (local_got_ents + symtab_hdr->sh_info);
|
local_got_tls_masks[r_symndx] |= tls_type;
|
local_got_tls_masks[r_symndx] |= tls_type;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
update_plt_info (bfd *abfd, struct ppc_link_hash_entry *eh, bfd_vma addend)
|
update_plt_info (bfd *abfd, struct ppc_link_hash_entry *eh, bfd_vma addend)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
for (ent = eh->elf.plt.plist; ent != NULL; ent = ent->next)
|
for (ent = eh->elf.plt.plist; ent != NULL; ent = ent->next)
|
if (ent->addend == addend)
|
if (ent->addend == addend)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
{
|
{
|
bfd_size_type amt = sizeof (*ent);
|
bfd_size_type amt = sizeof (*ent);
|
ent = bfd_alloc (abfd, amt);
|
ent = bfd_alloc (abfd, amt);
|
if (ent == NULL)
|
if (ent == NULL)
|
return FALSE;
|
return FALSE;
|
ent->next = eh->elf.plt.plist;
|
ent->next = eh->elf.plt.plist;
|
ent->addend = addend;
|
ent->addend = addend;
|
ent->plt.refcount = 0;
|
ent->plt.refcount = 0;
|
eh->elf.plt.plist = ent;
|
eh->elf.plt.plist = ent;
|
}
|
}
|
ent->plt.refcount += 1;
|
ent->plt.refcount += 1;
|
eh->elf.needs_plt = 1;
|
eh->elf.needs_plt = 1;
|
if (eh->elf.root.root.string[0] == '.'
|
if (eh->elf.root.root.string[0] == '.'
|
&& eh->elf.root.root.string[1] != '\0')
|
&& eh->elf.root.root.string[1] != '\0')
|
eh->is_func = 1;
|
eh->is_func = 1;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Look through the relocs for a section during the first phase, and
|
/* Look through the relocs for a section during the first phase, and
|
calculate needed space in the global offset table, procedure
|
calculate needed space in the global offset table, procedure
|
linkage table, and dynamic reloc sections. */
|
linkage table, and dynamic reloc sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
asection *sec, const Elf_Internal_Rela *relocs)
|
asection *sec, const Elf_Internal_Rela *relocs)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
|
struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel_end;
|
const Elf_Internal_Rela *rel_end;
|
asection *sreloc;
|
asection *sreloc;
|
asection **opd_sym_map;
|
asection **opd_sym_map;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
/* Don't do anything special with non-loaded, non-alloced sections.
|
/* Don't do anything special with non-loaded, non-alloced sections.
|
In particular, any relocs in such sections should not affect GOT
|
In particular, any relocs in such sections should not affect GOT
|
and PLT reference counting (ie. we don't allow them to create GOT
|
and PLT reference counting (ie. we don't allow them to create GOT
|
or PLT entries), there's no possibility or desire to optimize TLS
|
or PLT entries), there's no possibility or desire to optimize TLS
|
relocs, and there's not much point in propagating relocs to shared
|
relocs, and there's not much point in propagating relocs to shared
|
libs that the dynamic linker won't relocate. */
|
libs that the dynamic linker won't relocate. */
|
if ((sec->flags & SEC_ALLOC) == 0)
|
if ((sec->flags & SEC_ALLOC) == 0)
|
return TRUE;
|
return TRUE;
|
|
|
BFD_ASSERT (is_ppc64_elf (abfd));
|
BFD_ASSERT (is_ppc64_elf (abfd));
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
|
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes_end = (sym_hashes
|
sym_hashes_end = (sym_hashes
|
+ symtab_hdr->sh_size / sizeof (Elf64_External_Sym)
|
+ symtab_hdr->sh_size / sizeof (Elf64_External_Sym)
|
- symtab_hdr->sh_info);
|
- symtab_hdr->sh_info);
|
|
|
sreloc = NULL;
|
sreloc = NULL;
|
opd_sym_map = NULL;
|
opd_sym_map = NULL;
|
if (strcmp (bfd_get_section_name (abfd, sec), ".opd") == 0)
|
if (strcmp (bfd_get_section_name (abfd, sec), ".opd") == 0)
|
{
|
{
|
/* Garbage collection needs some extra help with .opd sections.
|
/* Garbage collection needs some extra help with .opd sections.
|
We don't want to necessarily keep everything referenced by
|
We don't want to necessarily keep everything referenced by
|
relocs in .opd, as that would keep all functions. Instead,
|
relocs in .opd, as that would keep all functions. Instead,
|
if we reference an .opd symbol (a function descriptor), we
|
if we reference an .opd symbol (a function descriptor), we
|
want to keep the function code symbol's section. This is
|
want to keep the function code symbol's section. This is
|
easy for global symbols, but for local syms we need to keep
|
easy for global symbols, but for local syms we need to keep
|
information about the associated function section. */
|
information about the associated function section. */
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
amt = sec->size * sizeof (*opd_sym_map) / 8;
|
amt = sec->size * sizeof (*opd_sym_map) / 8;
|
opd_sym_map = bfd_zalloc (abfd, amt);
|
opd_sym_map = bfd_zalloc (abfd, amt);
|
if (opd_sym_map == NULL)
|
if (opd_sym_map == NULL)
|
return FALSE;
|
return FALSE;
|
ppc64_elf_section_data (sec)->u.opd.func_sec = opd_sym_map;
|
ppc64_elf_section_data (sec)->u.opd.func_sec = opd_sym_map;
|
BFD_ASSERT (ppc64_elf_section_data (sec)->sec_type == sec_normal);
|
BFD_ASSERT (ppc64_elf_section_data (sec)->sec_type == sec_normal);
|
ppc64_elf_section_data (sec)->sec_type = sec_opd;
|
ppc64_elf_section_data (sec)->sec_type = sec_opd;
|
}
|
}
|
|
|
if (htab->sfpr == NULL
|
if (htab->sfpr == NULL
|
&& !create_linkage_sections (htab->elf.dynobj, info))
|
&& !create_linkage_sections (htab->elf.dynobj, info))
|
return FALSE;
|
return FALSE;
|
|
|
rel_end = relocs + sec->reloc_count;
|
rel_end = relocs + sec->reloc_count;
|
for (rel = relocs; rel < rel_end; rel++)
|
for (rel = relocs; rel < rel_end; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
int tls_type = 0;
|
int tls_type = 0;
|
struct _ppc64_elf_section_data *ppc64_sec;
|
struct _ppc64_elf_section_data *ppc64_sec;
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
h = NULL;
|
h = NULL;
|
else
|
else
|
{
|
{
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
tls_type = TLS_TLS | TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
goto dogottls;
|
goto dogottls;
|
|
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
tls_type = TLS_TLS | TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
goto dogottls;
|
goto dogottls;
|
|
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HA:
|
case R_PPC64_GOT_TPREL16_HA:
|
if (info->shared)
|
if (info->shared)
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
tls_type = TLS_TLS | TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
goto dogottls;
|
goto dogottls;
|
|
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_HI:
|
case R_PPC64_GOT_DTPREL16_HI:
|
case R_PPC64_GOT_DTPREL16_HA:
|
case R_PPC64_GOT_DTPREL16_HA:
|
tls_type = TLS_TLS | TLS_DTPREL;
|
tls_type = TLS_TLS | TLS_DTPREL;
|
dogottls:
|
dogottls:
|
sec->has_tls_reloc = 1;
|
sec->has_tls_reloc = 1;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC64_GOT16:
|
case R_PPC64_GOT16:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_HI:
|
case R_PPC64_GOT16_HI:
|
case R_PPC64_GOT16_LO:
|
case R_PPC64_GOT16_LO:
|
case R_PPC64_GOT16_LO_DS:
|
case R_PPC64_GOT16_LO_DS:
|
/* This symbol requires a global offset table entry. */
|
/* This symbol requires a global offset table entry. */
|
sec->has_toc_reloc = 1;
|
sec->has_toc_reloc = 1;
|
if (ppc64_elf_tdata (abfd)->got == NULL
|
if (ppc64_elf_tdata (abfd)->got == NULL
|
&& !create_got_section (abfd, info))
|
&& !create_got_section (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
for (ent = eh->elf.got.glist; ent != NULL; ent = ent->next)
|
for (ent = eh->elf.got.glist; ent != NULL; ent = ent->next)
|
if (ent->addend == rel->r_addend
|
if (ent->addend == rel->r_addend
|
&& ent->owner == abfd
|
&& ent->owner == abfd
|
&& ent->tls_type == tls_type)
|
&& ent->tls_type == tls_type)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
{
|
{
|
bfd_size_type amt = sizeof (*ent);
|
bfd_size_type amt = sizeof (*ent);
|
ent = bfd_alloc (abfd, amt);
|
ent = bfd_alloc (abfd, amt);
|
if (ent == NULL)
|
if (ent == NULL)
|
return FALSE;
|
return FALSE;
|
ent->next = eh->elf.got.glist;
|
ent->next = eh->elf.got.glist;
|
ent->addend = rel->r_addend;
|
ent->addend = rel->r_addend;
|
ent->owner = abfd;
|
ent->owner = abfd;
|
ent->tls_type = tls_type;
|
ent->tls_type = tls_type;
|
ent->got.refcount = 0;
|
ent->got.refcount = 0;
|
eh->elf.got.glist = ent;
|
eh->elf.got.glist = ent;
|
}
|
}
|
ent->got.refcount += 1;
|
ent->got.refcount += 1;
|
eh->tls_mask |= tls_type;
|
eh->tls_mask |= tls_type;
|
}
|
}
|
else
|
else
|
/* This is a global offset table entry for a local symbol. */
|
/* This is a global offset table entry for a local symbol. */
|
if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
|
if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
|
rel->r_addend, tls_type))
|
rel->r_addend, tls_type))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HI:
|
case R_PPC64_PLT16_HI:
|
case R_PPC64_PLT16_LO:
|
case R_PPC64_PLT16_LO:
|
case R_PPC64_PLT32:
|
case R_PPC64_PLT32:
|
case R_PPC64_PLT64:
|
case R_PPC64_PLT64:
|
/* This symbol requires a procedure linkage table entry. We
|
/* This symbol requires a procedure linkage table entry. We
|
actually build the entry in adjust_dynamic_symbol,
|
actually build the entry in adjust_dynamic_symbol,
|
because this might be a case of linking PIC code without
|
because this might be a case of linking PIC code without
|
linking in any dynamic objects, in which case we don't
|
linking in any dynamic objects, in which case we don't
|
need to generate a procedure linkage table after all. */
|
need to generate a procedure linkage table after all. */
|
if (h == NULL)
|
if (h == NULL)
|
{
|
{
|
/* It does not make sense to have a procedure linkage
|
/* It does not make sense to have a procedure linkage
|
table entry for a local symbol. */
|
table entry for a local symbol. */
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
|
if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
|
rel->r_addend))
|
rel->r_addend))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
/* The following relocations don't need to propagate the
|
/* The following relocations don't need to propagate the
|
relocation if linking a shared object since they are
|
relocation if linking a shared object since they are
|
section relative. */
|
section relative. */
|
case R_PPC64_SECTOFF:
|
case R_PPC64_SECTOFF:
|
case R_PPC64_SECTOFF_LO:
|
case R_PPC64_SECTOFF_LO:
|
case R_PPC64_SECTOFF_HI:
|
case R_PPC64_SECTOFF_HI:
|
case R_PPC64_SECTOFF_HA:
|
case R_PPC64_SECTOFF_HA:
|
case R_PPC64_SECTOFF_DS:
|
case R_PPC64_SECTOFF_DS:
|
case R_PPC64_SECTOFF_LO_DS:
|
case R_PPC64_SECTOFF_LO_DS:
|
case R_PPC64_DTPREL16:
|
case R_PPC64_DTPREL16:
|
case R_PPC64_DTPREL16_LO:
|
case R_PPC64_DTPREL16_LO:
|
case R_PPC64_DTPREL16_HI:
|
case R_PPC64_DTPREL16_HI:
|
case R_PPC64_DTPREL16_HA:
|
case R_PPC64_DTPREL16_HA:
|
case R_PPC64_DTPREL16_DS:
|
case R_PPC64_DTPREL16_DS:
|
case R_PPC64_DTPREL16_LO_DS:
|
case R_PPC64_DTPREL16_LO_DS:
|
case R_PPC64_DTPREL16_HIGHER:
|
case R_PPC64_DTPREL16_HIGHER:
|
case R_PPC64_DTPREL16_HIGHERA:
|
case R_PPC64_DTPREL16_HIGHERA:
|
case R_PPC64_DTPREL16_HIGHEST:
|
case R_PPC64_DTPREL16_HIGHEST:
|
case R_PPC64_DTPREL16_HIGHESTA:
|
case R_PPC64_DTPREL16_HIGHESTA:
|
break;
|
break;
|
|
|
/* Nor do these. */
|
/* Nor do these. */
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
sec->has_toc_reloc = 1;
|
sec->has_toc_reloc = 1;
|
break;
|
break;
|
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
/* This relocation describes the C++ object vtable hierarchy.
|
Reconstruct it for later use during GC. */
|
Reconstruct it for later use during GC. */
|
case R_PPC64_GNU_VTINHERIT:
|
case R_PPC64_GNU_VTINHERIT:
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
/* This relocation describes which C++ vtable entries are actually
|
/* This relocation describes which C++ vtable entries are actually
|
used. Record for later use during GC. */
|
used. Record for later use during GC. */
|
case R_PPC64_GNU_VTENTRY:
|
case R_PPC64_GNU_VTENTRY:
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
if (h != NULL
|
if (h != NULL
|
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
case R_PPC64_REL14:
|
case R_PPC64_REL14:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL14_BRNTAKEN:
|
case R_PPC64_REL14_BRNTAKEN:
|
{
|
{
|
asection *dest = NULL;
|
asection *dest = NULL;
|
|
|
/* Heuristic: If jumping outside our section, chances are
|
/* Heuristic: If jumping outside our section, chances are
|
we are going to need a stub. */
|
we are going to need a stub. */
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
/* If the sym is weak it may be overridden later, so
|
/* If the sym is weak it may be overridden later, so
|
don't assume we know where a weak sym lives. */
|
don't assume we know where a weak sym lives. */
|
if (h->root.type == bfd_link_hash_defined)
|
if (h->root.type == bfd_link_hash_defined)
|
dest = h->root.u.def.section;
|
dest = h->root.u.def.section;
|
}
|
}
|
else
|
else
|
dest = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
|
dest = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
|
sec, r_symndx);
|
sec, r_symndx);
|
if (dest != sec)
|
if (dest != sec)
|
ppc64_elf_section_data (sec)->has_14bit_branch = 1;
|
ppc64_elf_section_data (sec)->has_14bit_branch = 1;
|
}
|
}
|
/* Fall through. */
|
/* Fall through. */
|
|
|
case R_PPC64_REL24:
|
case R_PPC64_REL24:
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
/* We may need a .plt entry if the function this reloc
|
/* We may need a .plt entry if the function this reloc
|
refers to is in a shared lib. */
|
refers to is in a shared lib. */
|
if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
|
if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
|
rel->r_addend))
|
rel->r_addend))
|
return FALSE;
|
return FALSE;
|
if (h == &htab->tls_get_addr->elf
|
if (h == &htab->tls_get_addr->elf
|
|| h == &htab->tls_get_addr_fd->elf)
|
|| h == &htab->tls_get_addr_fd->elf)
|
sec->has_tls_reloc = 1;
|
sec->has_tls_reloc = 1;
|
else if (htab->tls_get_addr == NULL
|
else if (htab->tls_get_addr == NULL
|
&& CONST_STRNEQ (h->root.root.string, ".__tls_get_addr")
|
&& CONST_STRNEQ (h->root.root.string, ".__tls_get_addr")
|
&& (h->root.root.string[15] == 0
|
&& (h->root.root.string[15] == 0
|
|| h->root.root.string[15] == '@'))
|
|| h->root.root.string[15] == '@'))
|
{
|
{
|
htab->tls_get_addr = (struct ppc_link_hash_entry *) h;
|
htab->tls_get_addr = (struct ppc_link_hash_entry *) h;
|
sec->has_tls_reloc = 1;
|
sec->has_tls_reloc = 1;
|
}
|
}
|
else if (htab->tls_get_addr_fd == NULL
|
else if (htab->tls_get_addr_fd == NULL
|
&& CONST_STRNEQ (h->root.root.string, "__tls_get_addr")
|
&& CONST_STRNEQ (h->root.root.string, "__tls_get_addr")
|
&& (h->root.root.string[14] == 0
|
&& (h->root.root.string[14] == 0
|
|| h->root.root.string[14] == '@'))
|
|| h->root.root.string[14] == '@'))
|
{
|
{
|
htab->tls_get_addr_fd = (struct ppc_link_hash_entry *) h;
|
htab->tls_get_addr_fd = (struct ppc_link_hash_entry *) h;
|
sec->has_tls_reloc = 1;
|
sec->has_tls_reloc = 1;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_TPREL64:
|
case R_PPC64_TPREL64:
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_TPREL;
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_TPREL;
|
if (info->shared)
|
if (info->shared)
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
goto dotlstoc;
|
goto dotlstoc;
|
|
|
case R_PPC64_DTPMOD64:
|
case R_PPC64_DTPMOD64:
|
if (rel + 1 < rel_end
|
if (rel + 1 < rel_end
|
&& rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
|
&& rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
|
&& rel[1].r_offset == rel->r_offset + 8)
|
&& rel[1].r_offset == rel->r_offset + 8)
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_GD;
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_GD;
|
else
|
else
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_LD;
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_LD;
|
goto dotlstoc;
|
goto dotlstoc;
|
|
|
case R_PPC64_DTPREL64:
|
case R_PPC64_DTPREL64:
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_DTPREL;
|
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_DTPREL;
|
if (rel != relocs
|
if (rel != relocs
|
&& rel[-1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPMOD64)
|
&& rel[-1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPMOD64)
|
&& rel[-1].r_offset == rel->r_offset - 8)
|
&& rel[-1].r_offset == rel->r_offset - 8)
|
/* This is the second reloc of a dtpmod, dtprel pair.
|
/* This is the second reloc of a dtpmod, dtprel pair.
|
Don't mark with TLS_DTPREL. */
|
Don't mark with TLS_DTPREL. */
|
goto dodyn;
|
goto dodyn;
|
|
|
dotlstoc:
|
dotlstoc:
|
sec->has_tls_reloc = 1;
|
sec->has_tls_reloc = 1;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
eh->tls_mask |= tls_type;
|
eh->tls_mask |= tls_type;
|
}
|
}
|
else
|
else
|
if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
|
if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
|
rel->r_addend, tls_type))
|
rel->r_addend, tls_type))
|
return FALSE;
|
return FALSE;
|
|
|
ppc64_sec = ppc64_elf_section_data (sec);
|
ppc64_sec = ppc64_elf_section_data (sec);
|
if (ppc64_sec->sec_type != sec_toc)
|
if (ppc64_sec->sec_type != sec_toc)
|
{
|
{
|
/* One extra to simplify get_tls_mask. */
|
/* One extra to simplify get_tls_mask. */
|
bfd_size_type amt = sec->size * sizeof (unsigned) / 8 + 1;
|
bfd_size_type amt = sec->size * sizeof (unsigned) / 8 + 1;
|
ppc64_sec->u.t_symndx = bfd_zalloc (abfd, amt);
|
ppc64_sec->u.t_symndx = bfd_zalloc (abfd, amt);
|
if (ppc64_sec->u.t_symndx == NULL)
|
if (ppc64_sec->u.t_symndx == NULL)
|
return FALSE;
|
return FALSE;
|
BFD_ASSERT (ppc64_sec->sec_type == sec_normal);
|
BFD_ASSERT (ppc64_sec->sec_type == sec_normal);
|
ppc64_sec->sec_type = sec_toc;
|
ppc64_sec->sec_type = sec_toc;
|
}
|
}
|
BFD_ASSERT (rel->r_offset % 8 == 0);
|
BFD_ASSERT (rel->r_offset % 8 == 0);
|
ppc64_sec->u.t_symndx[rel->r_offset / 8] = r_symndx;
|
ppc64_sec->u.t_symndx[rel->r_offset / 8] = r_symndx;
|
|
|
/* Mark the second slot of a GD or LD entry.
|
/* Mark the second slot of a GD or LD entry.
|
-1 to indicate GD and -2 to indicate LD. */
|
-1 to indicate GD and -2 to indicate LD. */
|
if (tls_type == (TLS_EXPLICIT | TLS_TLS | TLS_GD))
|
if (tls_type == (TLS_EXPLICIT | TLS_TLS | TLS_GD))
|
ppc64_sec->u.t_symndx[rel->r_offset / 8 + 1] = -1;
|
ppc64_sec->u.t_symndx[rel->r_offset / 8 + 1] = -1;
|
else if (tls_type == (TLS_EXPLICIT | TLS_TLS | TLS_LD))
|
else if (tls_type == (TLS_EXPLICIT | TLS_TLS | TLS_LD))
|
ppc64_sec->u.t_symndx[rel->r_offset / 8 + 1] = -2;
|
ppc64_sec->u.t_symndx[rel->r_offset / 8 + 1] = -2;
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC64_TPREL16:
|
case R_PPC64_TPREL16:
|
case R_PPC64_TPREL16_LO:
|
case R_PPC64_TPREL16_LO:
|
case R_PPC64_TPREL16_HI:
|
case R_PPC64_TPREL16_HI:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHESTA:
|
case R_PPC64_TPREL16_HIGHESTA:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
goto dodyn;
|
goto dodyn;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_ADDR64:
|
case R_PPC64_ADDR64:
|
if (opd_sym_map != NULL
|
if (opd_sym_map != NULL
|
&& rel + 1 < rel_end
|
&& rel + 1 < rel_end
|
&& ELF64_R_TYPE ((rel + 1)->r_info) == R_PPC64_TOC)
|
&& ELF64_R_TYPE ((rel + 1)->r_info) == R_PPC64_TOC)
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
if (h->root.root.string[0] == '.'
|
if (h->root.root.string[0] == '.'
|
&& h->root.root.string[1] != 0
|
&& h->root.root.string[1] != 0
|
&& get_fdh ((struct ppc_link_hash_entry *) h, htab))
|
&& get_fdh ((struct ppc_link_hash_entry *) h, htab))
|
;
|
;
|
else
|
else
|
((struct ppc_link_hash_entry *) h)->is_func = 1;
|
((struct ppc_link_hash_entry *) h)->is_func = 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
asection *s;
|
asection *s;
|
|
|
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, sec,
|
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, sec,
|
r_symndx);
|
r_symndx);
|
if (s == NULL)
|
if (s == NULL)
|
return FALSE;
|
return FALSE;
|
else if (s != sec)
|
else if (s != sec)
|
opd_sym_map[rel->r_offset / 8] = s;
|
opd_sym_map[rel->r_offset / 8] = s;
|
}
|
}
|
}
|
}
|
/* Fall through. */
|
/* Fall through. */
|
|
|
case R_PPC64_REL30:
|
case R_PPC64_REL30:
|
case R_PPC64_REL32:
|
case R_PPC64_REL32:
|
case R_PPC64_REL64:
|
case R_PPC64_REL64:
|
case R_PPC64_ADDR14:
|
case R_PPC64_ADDR14:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR16:
|
case R_PPC64_ADDR16:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HI:
|
case R_PPC64_ADDR16_HI:
|
case R_PPC64_ADDR16_HIGHER:
|
case R_PPC64_ADDR16_HIGHER:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHEST:
|
case R_PPC64_ADDR16_HIGHEST:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_LO:
|
case R_PPC64_ADDR16_LO:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR24:
|
case R_PPC64_ADDR24:
|
case R_PPC64_ADDR32:
|
case R_PPC64_ADDR32:
|
case R_PPC64_UADDR16:
|
case R_PPC64_UADDR16:
|
case R_PPC64_UADDR32:
|
case R_PPC64_UADDR32:
|
case R_PPC64_UADDR64:
|
case R_PPC64_UADDR64:
|
case R_PPC64_TOC:
|
case R_PPC64_TOC:
|
if (h != NULL && !info->shared)
|
if (h != NULL && !info->shared)
|
/* We may need a copy reloc. */
|
/* We may need a copy reloc. */
|
h->non_got_ref = 1;
|
h->non_got_ref = 1;
|
|
|
/* Don't propagate .opd relocs. */
|
/* Don't propagate .opd relocs. */
|
if (NO_OPD_RELOCS && opd_sym_map != NULL)
|
if (NO_OPD_RELOCS && opd_sym_map != NULL)
|
break;
|
break;
|
|
|
/* If we are creating a shared library, and this is a reloc
|
/* If we are creating a shared library, and this is a reloc
|
against a global symbol, or a non PC relative reloc
|
against a global symbol, or a non PC relative reloc
|
against a local symbol, then we need to copy the reloc
|
against a local symbol, then we need to copy the reloc
|
into the shared library. However, if we are linking with
|
into the shared library. However, if we are linking with
|
-Bsymbolic, we do not need to copy a reloc against a
|
-Bsymbolic, we do not need to copy a reloc against a
|
global symbol which is defined in an object we are
|
global symbol which is defined in an object we are
|
including in the link (i.e., DEF_REGULAR is set). At
|
including in the link (i.e., DEF_REGULAR is set). At
|
this point we have not seen all the input files, so it is
|
this point we have not seen all the input files, so it is
|
possible that DEF_REGULAR is not set now but will be set
|
possible that DEF_REGULAR is not set now but will be set
|
later (it is never cleared). In case of a weak definition,
|
later (it is never cleared). In case of a weak definition,
|
DEF_REGULAR may be cleared later by a strong definition in
|
DEF_REGULAR may be cleared later by a strong definition in
|
a shared library. We account for that possibility below by
|
a shared library. We account for that possibility below by
|
storing information in the dyn_relocs field of the hash
|
storing information in the dyn_relocs field of the hash
|
table entry. A similar situation occurs when creating
|
table entry. A similar situation occurs when creating
|
shared libraries and symbol visibility changes render the
|
shared libraries and symbol visibility changes render the
|
symbol local.
|
symbol local.
|
|
|
If on the other hand, we are creating an executable, we
|
If on the other hand, we are creating an executable, we
|
may need to keep relocations for symbols satisfied by a
|
may need to keep relocations for symbols satisfied by a
|
dynamic library if we manage to avoid copy relocs for the
|
dynamic library if we manage to avoid copy relocs for the
|
symbol. */
|
symbol. */
|
dodyn:
|
dodyn:
|
if ((info->shared
|
if ((info->shared
|
&& (MUST_BE_DYN_RELOC (r_type)
|
&& (MUST_BE_DYN_RELOC (r_type)
|
|| (h != NULL
|
|| (h != NULL
|
&& (! info->symbolic
|
&& (! info->symbolic
|
|| h->root.type == bfd_link_hash_defweak
|
|| h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular))))
|
|| !h->def_regular))))
|
|| (ELIMINATE_COPY_RELOCS
|
|| (ELIMINATE_COPY_RELOCS
|
&& !info->shared
|
&& !info->shared
|
&& h != NULL
|
&& h != NULL
|
&& (h->root.type == bfd_link_hash_defweak
|
&& (h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular)))
|
|| !h->def_regular)))
|
{
|
{
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs **head;
|
struct ppc_dyn_relocs **head;
|
|
|
/* We must copy these reloc types into the output file.
|
/* We must copy these reloc types into the output file.
|
Create a reloc section in dynobj and make room for
|
Create a reloc section in dynobj and make room for
|
this reloc. */
|
this reloc. */
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
const char *name;
|
const char *name;
|
bfd *dynobj;
|
bfd *dynobj;
|
|
|
name = (bfd_elf_string_from_elf_section
|
name = (bfd_elf_string_from_elf_section
|
(abfd,
|
(abfd,
|
elf_elfheader (abfd)->e_shstrndx,
|
elf_elfheader (abfd)->e_shstrndx,
|
elf_section_data (sec)->rel_hdr.sh_name));
|
elf_section_data (sec)->rel_hdr.sh_name));
|
if (name == NULL)
|
if (name == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (! CONST_STRNEQ (name, ".rela")
|
if (! CONST_STRNEQ (name, ".rela")
|
|| strcmp (bfd_get_section_name (abfd, sec),
|
|| strcmp (bfd_get_section_name (abfd, sec),
|
name + 5) != 0)
|
name + 5) != 0)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: bad relocation section name `%s\'"),
|
(_("%B: bad relocation section name `%s\'"),
|
abfd, name);
|
abfd, name);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
}
|
}
|
|
|
dynobj = htab->elf.dynobj;
|
dynobj = htab->elf.dynobj;
|
sreloc = bfd_get_section_by_name (dynobj, name);
|
sreloc = bfd_get_section_by_name (dynobj, name);
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
flagword flags;
|
flagword flags;
|
|
|
flags = (SEC_HAS_CONTENTS | SEC_READONLY
|
flags = (SEC_HAS_CONTENTS | SEC_READONLY
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED
|
| SEC_ALLOC | SEC_LOAD);
|
| SEC_ALLOC | SEC_LOAD);
|
sreloc = bfd_make_section_with_flags (dynobj,
|
sreloc = bfd_make_section_with_flags (dynobj,
|
name,
|
name,
|
flags);
|
flags);
|
if (sreloc == NULL
|
if (sreloc == NULL
|
|| ! bfd_set_section_alignment (dynobj, sreloc, 3))
|
|| ! bfd_set_section_alignment (dynobj, sreloc, 3))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
elf_section_data (sec)->sreloc = sreloc;
|
elf_section_data (sec)->sreloc = sreloc;
|
}
|
}
|
|
|
/* If this is a global symbol, we count the number of
|
/* If this is a global symbol, we count the number of
|
relocations we need for this symbol. */
|
relocations we need for this symbol. */
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
|
head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Track dynamic relocs needed for local syms too.
|
/* Track dynamic relocs needed for local syms too.
|
We really need local syms available to do this
|
We really need local syms available to do this
|
easily. Oh well. */
|
easily. Oh well. */
|
|
|
asection *s;
|
asection *s;
|
void *vpp;
|
void *vpp;
|
|
|
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
|
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
|
sec, r_symndx);
|
sec, r_symndx);
|
if (s == NULL)
|
if (s == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
vpp = &elf_section_data (s)->local_dynrel;
|
vpp = &elf_section_data (s)->local_dynrel;
|
head = (struct ppc_dyn_relocs **) vpp;
|
head = (struct ppc_dyn_relocs **) vpp;
|
}
|
}
|
|
|
p = *head;
|
p = *head;
|
if (p == NULL || p->sec != sec)
|
if (p == NULL || p->sec != sec)
|
{
|
{
|
p = bfd_alloc (htab->elf.dynobj, sizeof *p);
|
p = bfd_alloc (htab->elf.dynobj, sizeof *p);
|
if (p == NULL)
|
if (p == NULL)
|
return FALSE;
|
return FALSE;
|
p->next = *head;
|
p->next = *head;
|
*head = p;
|
*head = p;
|
p->sec = sec;
|
p->sec = sec;
|
p->count = 0;
|
p->count = 0;
|
p->pc_count = 0;
|
p->pc_count = 0;
|
}
|
}
|
|
|
p->count += 1;
|
p->count += 1;
|
if (!MUST_BE_DYN_RELOC (r_type))
|
if (!MUST_BE_DYN_RELOC (r_type))
|
p->pc_count += 1;
|
p->pc_count += 1;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* OFFSET in OPD_SEC specifies a function descriptor. Return the address
|
/* OFFSET in OPD_SEC specifies a function descriptor. Return the address
|
of the code entry point, and its section. */
|
of the code entry point, and its section. */
|
|
|
static bfd_vma
|
static bfd_vma
|
opd_entry_value (asection *opd_sec,
|
opd_entry_value (asection *opd_sec,
|
bfd_vma offset,
|
bfd_vma offset,
|
asection **code_sec,
|
asection **code_sec,
|
bfd_vma *code_off)
|
bfd_vma *code_off)
|
{
|
{
|
bfd *opd_bfd = opd_sec->owner;
|
bfd *opd_bfd = opd_sec->owner;
|
Elf_Internal_Rela *relocs;
|
Elf_Internal_Rela *relocs;
|
Elf_Internal_Rela *lo, *hi, *look;
|
Elf_Internal_Rela *lo, *hi, *look;
|
bfd_vma val;
|
bfd_vma val;
|
|
|
/* No relocs implies we are linking a --just-symbols object. */
|
/* No relocs implies we are linking a --just-symbols object. */
|
if (opd_sec->reloc_count == 0)
|
if (opd_sec->reloc_count == 0)
|
{
|
{
|
bfd_vma val;
|
bfd_vma val;
|
|
|
if (!bfd_get_section_contents (opd_bfd, opd_sec, &val, offset, 8))
|
if (!bfd_get_section_contents (opd_bfd, opd_sec, &val, offset, 8))
|
return (bfd_vma) -1;
|
return (bfd_vma) -1;
|
|
|
if (code_sec != NULL)
|
if (code_sec != NULL)
|
{
|
{
|
asection *sec, *likely = NULL;
|
asection *sec, *likely = NULL;
|
for (sec = opd_bfd->sections; sec != NULL; sec = sec->next)
|
for (sec = opd_bfd->sections; sec != NULL; sec = sec->next)
|
if (sec->vma <= val
|
if (sec->vma <= val
|
&& (sec->flags & SEC_LOAD) != 0
|
&& (sec->flags & SEC_LOAD) != 0
|
&& (sec->flags & SEC_ALLOC) != 0)
|
&& (sec->flags & SEC_ALLOC) != 0)
|
likely = sec;
|
likely = sec;
|
if (likely != NULL)
|
if (likely != NULL)
|
{
|
{
|
*code_sec = likely;
|
*code_sec = likely;
|
if (code_off != NULL)
|
if (code_off != NULL)
|
*code_off = val - likely->vma;
|
*code_off = val - likely->vma;
|
}
|
}
|
}
|
}
|
return val;
|
return val;
|
}
|
}
|
|
|
BFD_ASSERT (is_ppc64_elf (opd_bfd));
|
BFD_ASSERT (is_ppc64_elf (opd_bfd));
|
|
|
relocs = ppc64_elf_tdata (opd_bfd)->opd_relocs;
|
relocs = ppc64_elf_tdata (opd_bfd)->opd_relocs;
|
if (relocs == NULL)
|
if (relocs == NULL)
|
relocs = _bfd_elf_link_read_relocs (opd_bfd, opd_sec, NULL, NULL, TRUE);
|
relocs = _bfd_elf_link_read_relocs (opd_bfd, opd_sec, NULL, NULL, TRUE);
|
|
|
/* Go find the opd reloc at the sym address. */
|
/* Go find the opd reloc at the sym address. */
|
lo = relocs;
|
lo = relocs;
|
BFD_ASSERT (lo != NULL);
|
BFD_ASSERT (lo != NULL);
|
hi = lo + opd_sec->reloc_count - 1; /* ignore last reloc */
|
hi = lo + opd_sec->reloc_count - 1; /* ignore last reloc */
|
val = (bfd_vma) -1;
|
val = (bfd_vma) -1;
|
while (lo < hi)
|
while (lo < hi)
|
{
|
{
|
look = lo + (hi - lo) / 2;
|
look = lo + (hi - lo) / 2;
|
if (look->r_offset < offset)
|
if (look->r_offset < offset)
|
lo = look + 1;
|
lo = look + 1;
|
else if (look->r_offset > offset)
|
else if (look->r_offset > offset)
|
hi = look;
|
hi = look;
|
else
|
else
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (opd_bfd);
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (opd_bfd);
|
|
|
if (ELF64_R_TYPE (look->r_info) == R_PPC64_ADDR64
|
if (ELF64_R_TYPE (look->r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE ((look + 1)->r_info) == R_PPC64_TOC)
|
&& ELF64_R_TYPE ((look + 1)->r_info) == R_PPC64_TOC)
|
{
|
{
|
unsigned long symndx = ELF64_R_SYM (look->r_info);
|
unsigned long symndx = ELF64_R_SYM (look->r_info);
|
asection *sec;
|
asection *sec;
|
|
|
if (symndx < symtab_hdr->sh_info)
|
if (symndx < symtab_hdr->sh_info)
|
{
|
{
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
|
|
sym = (Elf_Internal_Sym *) symtab_hdr->contents;
|
sym = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (sym == NULL)
|
if (sym == NULL)
|
{
|
{
|
sym = bfd_elf_get_elf_syms (opd_bfd, symtab_hdr,
|
sym = bfd_elf_get_elf_syms (opd_bfd, symtab_hdr,
|
symtab_hdr->sh_info,
|
symtab_hdr->sh_info,
|
0, NULL, NULL, NULL);
|
0, NULL, NULL, NULL);
|
if (sym == NULL)
|
if (sym == NULL)
|
break;
|
break;
|
symtab_hdr->contents = (bfd_byte *) sym;
|
symtab_hdr->contents = (bfd_byte *) sym;
|
}
|
}
|
|
|
sym += symndx;
|
sym += symndx;
|
val = sym->st_value;
|
val = sym->st_value;
|
sec = bfd_section_from_elf_index (opd_bfd, sym->st_shndx);
|
sec = bfd_section_from_elf_index (opd_bfd, sym->st_shndx);
|
BFD_ASSERT ((sec->flags & SEC_MERGE) == 0);
|
BFD_ASSERT ((sec->flags & SEC_MERGE) == 0);
|
}
|
}
|
else
|
else
|
{
|
{
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry *rh;
|
struct elf_link_hash_entry *rh;
|
|
|
sym_hashes = elf_sym_hashes (opd_bfd);
|
sym_hashes = elf_sym_hashes (opd_bfd);
|
rh = sym_hashes[symndx - symtab_hdr->sh_info];
|
rh = sym_hashes[symndx - symtab_hdr->sh_info];
|
while (rh->root.type == bfd_link_hash_indirect
|
while (rh->root.type == bfd_link_hash_indirect
|
|| rh->root.type == bfd_link_hash_warning)
|
|| rh->root.type == bfd_link_hash_warning)
|
rh = ((struct elf_link_hash_entry *) rh->root.u.i.link);
|
rh = ((struct elf_link_hash_entry *) rh->root.u.i.link);
|
BFD_ASSERT (rh->root.type == bfd_link_hash_defined
|
BFD_ASSERT (rh->root.type == bfd_link_hash_defined
|
|| rh->root.type == bfd_link_hash_defweak);
|
|| rh->root.type == bfd_link_hash_defweak);
|
val = rh->root.u.def.value;
|
val = rh->root.u.def.value;
|
sec = rh->root.u.def.section;
|
sec = rh->root.u.def.section;
|
}
|
}
|
val += look->r_addend;
|
val += look->r_addend;
|
if (code_off != NULL)
|
if (code_off != NULL)
|
*code_off = val;
|
*code_off = val;
|
if (code_sec != NULL)
|
if (code_sec != NULL)
|
*code_sec = sec;
|
*code_sec = sec;
|
if (sec != NULL && sec->output_section != NULL)
|
if (sec != NULL && sec->output_section != NULL)
|
val += sec->output_section->vma + sec->output_offset;
|
val += sec->output_section->vma + sec->output_offset;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return val;
|
return val;
|
}
|
}
|
|
|
/* Mark all our entry sym sections, both opd and code section. */
|
/* Mark all our entry sym sections, both opd and code section. */
|
|
|
static void
|
static void
|
ppc64_elf_gc_keep (struct bfd_link_info *info)
|
ppc64_elf_gc_keep (struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct bfd_sym_chain *sym;
|
struct bfd_sym_chain *sym;
|
|
|
for (sym = info->gc_sym_list; sym != NULL; sym = sym->next)
|
for (sym = info->gc_sym_list; sym != NULL; sym = sym->next)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
asection *sec;
|
asection *sec;
|
|
|
eh = (struct ppc_link_hash_entry *)
|
eh = (struct ppc_link_hash_entry *)
|
elf_link_hash_lookup (&htab->elf, sym->name, FALSE, FALSE, FALSE);
|
elf_link_hash_lookup (&htab->elf, sym->name, FALSE, FALSE, FALSE);
|
if (eh == NULL)
|
if (eh == NULL)
|
continue;
|
continue;
|
if (eh->elf.root.type != bfd_link_hash_defined
|
if (eh->elf.root.type != bfd_link_hash_defined
|
&& eh->elf.root.type != bfd_link_hash_defweak)
|
&& eh->elf.root.type != bfd_link_hash_defweak)
|
continue;
|
continue;
|
|
|
if (eh->is_func_descriptor
|
if (eh->is_func_descriptor
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
{
|
{
|
sec = eh->oh->elf.root.u.def.section;
|
sec = eh->oh->elf.root.u.def.section;
|
sec->flags |= SEC_KEEP;
|
sec->flags |= SEC_KEEP;
|
}
|
}
|
else if (get_opd_info (eh->elf.root.u.def.section) != NULL
|
else if (get_opd_info (eh->elf.root.u.def.section) != NULL
|
&& opd_entry_value (eh->elf.root.u.def.section,
|
&& opd_entry_value (eh->elf.root.u.def.section,
|
eh->elf.root.u.def.value,
|
eh->elf.root.u.def.value,
|
&sec, NULL) != (bfd_vma) -1)
|
&sec, NULL) != (bfd_vma) -1)
|
sec->flags |= SEC_KEEP;
|
sec->flags |= SEC_KEEP;
|
|
|
sec = eh->elf.root.u.def.section;
|
sec = eh->elf.root.u.def.section;
|
sec->flags |= SEC_KEEP;
|
sec->flags |= SEC_KEEP;
|
}
|
}
|
}
|
}
|
|
|
/* Mark sections containing dynamically referenced symbols. When
|
/* Mark sections containing dynamically referenced symbols. When
|
building shared libraries, we must assume that any visible symbol is
|
building shared libraries, we must assume that any visible symbol is
|
referenced. */
|
referenced. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_gc_mark_dynamic_ref (struct elf_link_hash_entry *h, void *inf)
|
ppc64_elf_gc_mark_dynamic_ref (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct bfd_link_info *info = (struct bfd_link_info *) inf;
|
struct bfd_link_info *info = (struct bfd_link_info *) inf;
|
struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) h;
|
struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) h;
|
|
|
if (eh->elf.root.type == bfd_link_hash_warning)
|
if (eh->elf.root.type == bfd_link_hash_warning)
|
eh = (struct ppc_link_hash_entry *) eh->elf.root.u.i.link;
|
eh = (struct ppc_link_hash_entry *) eh->elf.root.u.i.link;
|
|
|
/* Dynamic linking info is on the func descriptor sym. */
|
/* Dynamic linking info is on the func descriptor sym. */
|
if (eh->oh != NULL
|
if (eh->oh != NULL
|
&& eh->oh->is_func_descriptor
|
&& eh->oh->is_func_descriptor
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
eh = eh->oh;
|
eh = eh->oh;
|
|
|
if ((eh->elf.root.type == bfd_link_hash_defined
|
if ((eh->elf.root.type == bfd_link_hash_defined
|
|| eh->elf.root.type == bfd_link_hash_defweak)
|
|| eh->elf.root.type == bfd_link_hash_defweak)
|
&& (eh->elf.ref_dynamic
|
&& (eh->elf.ref_dynamic
|
|| (!info->executable
|
|| (!info->executable
|
&& eh->elf.def_regular
|
&& eh->elf.def_regular
|
&& ELF_ST_VISIBILITY (eh->elf.other) != STV_INTERNAL
|
&& ELF_ST_VISIBILITY (eh->elf.other) != STV_INTERNAL
|
&& ELF_ST_VISIBILITY (eh->elf.other) != STV_HIDDEN)))
|
&& ELF_ST_VISIBILITY (eh->elf.other) != STV_HIDDEN)))
|
{
|
{
|
asection *code_sec;
|
asection *code_sec;
|
|
|
eh->elf.root.u.def.section->flags |= SEC_KEEP;
|
eh->elf.root.u.def.section->flags |= SEC_KEEP;
|
|
|
/* Function descriptor syms cause the associated
|
/* Function descriptor syms cause the associated
|
function code sym section to be marked. */
|
function code sym section to be marked. */
|
if (eh->is_func_descriptor
|
if (eh->is_func_descriptor
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
eh->oh->elf.root.u.def.section->flags |= SEC_KEEP;
|
eh->oh->elf.root.u.def.section->flags |= SEC_KEEP;
|
else if (get_opd_info (eh->elf.root.u.def.section) != NULL
|
else if (get_opd_info (eh->elf.root.u.def.section) != NULL
|
&& opd_entry_value (eh->elf.root.u.def.section,
|
&& opd_entry_value (eh->elf.root.u.def.section,
|
eh->elf.root.u.def.value,
|
eh->elf.root.u.def.value,
|
&code_sec, NULL) != (bfd_vma) -1)
|
&code_sec, NULL) != (bfd_vma) -1)
|
code_sec->flags |= SEC_KEEP;
|
code_sec->flags |= SEC_KEEP;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Return the section that should be marked against GC for a given
|
/* Return the section that should be marked against GC for a given
|
relocation. */
|
relocation. */
|
|
|
static asection *
|
static asection *
|
ppc64_elf_gc_mark_hook (asection *sec,
|
ppc64_elf_gc_mark_hook (asection *sec,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
Elf_Internal_Rela *rel,
|
Elf_Internal_Rela *rel,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
Elf_Internal_Sym *sym)
|
Elf_Internal_Sym *sym)
|
{
|
{
|
asection *rsec;
|
asection *rsec;
|
|
|
/* Syms return NULL if we're marking .opd, so we avoid marking all
|
/* Syms return NULL if we're marking .opd, so we avoid marking all
|
function sections, as all functions are referenced in .opd. */
|
function sections, as all functions are referenced in .opd. */
|
rsec = NULL;
|
rsec = NULL;
|
if (get_opd_info (sec) != NULL)
|
if (get_opd_info (sec) != NULL)
|
return rsec;
|
return rsec;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC64_GNU_VTINHERIT:
|
case R_PPC64_GNU_VTINHERIT:
|
case R_PPC64_GNU_VTENTRY:
|
case R_PPC64_GNU_VTENTRY:
|
break;
|
break;
|
|
|
default:
|
default:
|
switch (h->root.type)
|
switch (h->root.type)
|
{
|
{
|
case bfd_link_hash_defined:
|
case bfd_link_hash_defined:
|
case bfd_link_hash_defweak:
|
case bfd_link_hash_defweak:
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
if (eh->oh != NULL
|
if (eh->oh != NULL
|
&& eh->oh->is_func_descriptor
|
&& eh->oh->is_func_descriptor
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
eh = eh->oh;
|
eh = eh->oh;
|
|
|
/* Function descriptor syms cause the associated
|
/* Function descriptor syms cause the associated
|
function code sym section to be marked. */
|
function code sym section to be marked. */
|
if (eh->is_func_descriptor
|
if (eh->is_func_descriptor
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
&& (eh->oh->elf.root.type == bfd_link_hash_defined
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
|| eh->oh->elf.root.type == bfd_link_hash_defweak))
|
{
|
{
|
/* They also mark their opd section. */
|
/* They also mark their opd section. */
|
eh->elf.root.u.def.section->gc_mark = 1;
|
eh->elf.root.u.def.section->gc_mark = 1;
|
|
|
rsec = eh->oh->elf.root.u.def.section;
|
rsec = eh->oh->elf.root.u.def.section;
|
}
|
}
|
else if (get_opd_info (eh->elf.root.u.def.section) != NULL
|
else if (get_opd_info (eh->elf.root.u.def.section) != NULL
|
&& opd_entry_value (eh->elf.root.u.def.section,
|
&& opd_entry_value (eh->elf.root.u.def.section,
|
eh->elf.root.u.def.value,
|
eh->elf.root.u.def.value,
|
&rsec, NULL) != (bfd_vma) -1)
|
&rsec, NULL) != (bfd_vma) -1)
|
eh->elf.root.u.def.section->gc_mark = 1;
|
eh->elf.root.u.def.section->gc_mark = 1;
|
else
|
else
|
rsec = h->root.u.def.section;
|
rsec = h->root.u.def.section;
|
break;
|
break;
|
|
|
case bfd_link_hash_common:
|
case bfd_link_hash_common:
|
rsec = h->root.u.c.p->section;
|
rsec = h->root.u.c.p->section;
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
|
|
rsec = bfd_section_from_elf_index (sec->owner, sym->st_shndx);
|
rsec = bfd_section_from_elf_index (sec->owner, sym->st_shndx);
|
opd = get_opd_info (rsec);
|
opd = get_opd_info (rsec);
|
if (opd != NULL && opd->func_sec != NULL)
|
if (opd != NULL && opd->func_sec != NULL)
|
{
|
{
|
rsec->gc_mark = 1;
|
rsec->gc_mark = 1;
|
|
|
rsec = opd->func_sec[(sym->st_value + rel->r_addend) / 8];
|
rsec = opd->func_sec[(sym->st_value + rel->r_addend) / 8];
|
}
|
}
|
}
|
}
|
|
|
return rsec;
|
return rsec;
|
}
|
}
|
|
|
/* Update the .got, .plt. and dynamic reloc reference counts for the
|
/* Update the .got, .plt. and dynamic reloc reference counts for the
|
section being removed. */
|
section being removed. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
|
ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
|
asection *sec, const Elf_Internal_Rela *relocs)
|
asection *sec, const Elf_Internal_Rela *relocs)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
struct got_entry **local_got_ents;
|
struct got_entry **local_got_ents;
|
const Elf_Internal_Rela *rel, *relend;
|
const Elf_Internal_Rela *rel, *relend;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
if ((sec->flags & SEC_ALLOC) == 0)
|
if ((sec->flags & SEC_ALLOC) == 0)
|
return TRUE;
|
return TRUE;
|
|
|
elf_section_data (sec)->local_dynrel = NULL;
|
elf_section_data (sec)->local_dynrel = NULL;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
local_got_ents = elf_local_got_ents (abfd);
|
local_got_ents = elf_local_got_ents (abfd);
|
|
|
relend = relocs + sec->reloc_count;
|
relend = relocs + sec->reloc_count;
|
for (rel = relocs; rel < relend; rel++)
|
for (rel = relocs; rel < relend; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
struct elf_link_hash_entry *h = NULL;
|
struct elf_link_hash_entry *h = NULL;
|
char tls_type = 0;
|
char tls_type = 0;
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
struct ppc_dyn_relocs **pp;
|
struct ppc_dyn_relocs **pp;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
|
if (p->sec == sec)
|
if (p->sec == sec)
|
{
|
{
|
/* Everything must go for SEC. */
|
/* Everything must go for SEC. */
|
*pp = p->next;
|
*pp = p->next;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
tls_type = TLS_TLS | TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
tls_type = TLS_TLS | TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HA:
|
case R_PPC64_GOT_TPREL16_HA:
|
tls_type = TLS_TLS | TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_HI:
|
case R_PPC64_GOT_DTPREL16_HI:
|
case R_PPC64_GOT_DTPREL16_HA:
|
case R_PPC64_GOT_DTPREL16_HA:
|
tls_type = TLS_TLS | TLS_DTPREL;
|
tls_type = TLS_TLS | TLS_DTPREL;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT16:
|
case R_PPC64_GOT16:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_HI:
|
case R_PPC64_GOT16_HI:
|
case R_PPC64_GOT16_LO:
|
case R_PPC64_GOT16_LO:
|
case R_PPC64_GOT16_LO_DS:
|
case R_PPC64_GOT16_LO_DS:
|
dogot:
|
dogot:
|
{
|
{
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
ent = h->got.glist;
|
ent = h->got.glist;
|
else
|
else
|
ent = local_got_ents[r_symndx];
|
ent = local_got_ents[r_symndx];
|
|
|
for (; ent != NULL; ent = ent->next)
|
for (; ent != NULL; ent = ent->next)
|
if (ent->addend == rel->r_addend
|
if (ent->addend == rel->r_addend
|
&& ent->owner == abfd
|
&& ent->owner == abfd
|
&& ent->tls_type == tls_type)
|
&& ent->tls_type == tls_type)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
abort ();
|
abort ();
|
if (ent->got.refcount > 0)
|
if (ent->got.refcount > 0)
|
ent->got.refcount -= 1;
|
ent->got.refcount -= 1;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HI:
|
case R_PPC64_PLT16_HI:
|
case R_PPC64_PLT16_LO:
|
case R_PPC64_PLT16_LO:
|
case R_PPC64_PLT32:
|
case R_PPC64_PLT32:
|
case R_PPC64_PLT64:
|
case R_PPC64_PLT64:
|
case R_PPC64_REL14:
|
case R_PPC64_REL14:
|
case R_PPC64_REL14_BRNTAKEN:
|
case R_PPC64_REL14_BRNTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL24:
|
case R_PPC64_REL24:
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->addend == rel->r_addend)
|
if (ent->addend == rel->r_addend)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
abort ();
|
abort ();
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* The maximum size of .sfpr. */
|
/* The maximum size of .sfpr. */
|
#define SFPR_MAX (218*4)
|
#define SFPR_MAX (218*4)
|
|
|
struct sfpr_def_parms
|
struct sfpr_def_parms
|
{
|
{
|
const char name[12];
|
const char name[12];
|
unsigned char lo, hi;
|
unsigned char lo, hi;
|
bfd_byte * (*write_ent) (bfd *, bfd_byte *, int);
|
bfd_byte * (*write_ent) (bfd *, bfd_byte *, int);
|
bfd_byte * (*write_tail) (bfd *, bfd_byte *, int);
|
bfd_byte * (*write_tail) (bfd *, bfd_byte *, int);
|
};
|
};
|
|
|
/* Auto-generate _save*, _rest* functions in .sfpr. */
|
/* Auto-generate _save*, _rest* functions in .sfpr. */
|
|
|
static unsigned int
|
static unsigned int
|
sfpr_define (struct bfd_link_info *info, const struct sfpr_def_parms *parm)
|
sfpr_define (struct bfd_link_info *info, const struct sfpr_def_parms *parm)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
unsigned int i;
|
unsigned int i;
|
size_t len = strlen (parm->name);
|
size_t len = strlen (parm->name);
|
bfd_boolean writing = FALSE;
|
bfd_boolean writing = FALSE;
|
char sym[16];
|
char sym[16];
|
|
|
memcpy (sym, parm->name, len);
|
memcpy (sym, parm->name, len);
|
sym[len + 2] = 0;
|
sym[len + 2] = 0;
|
|
|
for (i = parm->lo; i <= parm->hi; i++)
|
for (i = parm->lo; i <= parm->hi; i++)
|
{
|
{
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
sym[len + 0] = i / 10 + '0';
|
sym[len + 0] = i / 10 + '0';
|
sym[len + 1] = i % 10 + '0';
|
sym[len + 1] = i % 10 + '0';
|
h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE);
|
h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE);
|
if (h != NULL
|
if (h != NULL
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
h->root.type = bfd_link_hash_defined;
|
h->root.type = bfd_link_hash_defined;
|
h->root.u.def.section = htab->sfpr;
|
h->root.u.def.section = htab->sfpr;
|
h->root.u.def.value = htab->sfpr->size;
|
h->root.u.def.value = htab->sfpr->size;
|
h->type = STT_FUNC;
|
h->type = STT_FUNC;
|
h->def_regular = 1;
|
h->def_regular = 1;
|
_bfd_elf_link_hash_hide_symbol (info, h, TRUE);
|
_bfd_elf_link_hash_hide_symbol (info, h, TRUE);
|
writing = TRUE;
|
writing = TRUE;
|
if (htab->sfpr->contents == NULL)
|
if (htab->sfpr->contents == NULL)
|
{
|
{
|
htab->sfpr->contents = bfd_alloc (htab->elf.dynobj, SFPR_MAX);
|
htab->sfpr->contents = bfd_alloc (htab->elf.dynobj, SFPR_MAX);
|
if (htab->sfpr->contents == NULL)
|
if (htab->sfpr->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
if (writing)
|
if (writing)
|
{
|
{
|
bfd_byte *p = htab->sfpr->contents + htab->sfpr->size;
|
bfd_byte *p = htab->sfpr->contents + htab->sfpr->size;
|
if (i != parm->hi)
|
if (i != parm->hi)
|
p = (*parm->write_ent) (htab->elf.dynobj, p, i);
|
p = (*parm->write_ent) (htab->elf.dynobj, p, i);
|
else
|
else
|
p = (*parm->write_tail) (htab->elf.dynobj, p, i);
|
p = (*parm->write_tail) (htab->elf.dynobj, p, i);
|
htab->sfpr->size = p - htab->sfpr->contents;
|
htab->sfpr->size = p - htab->sfpr->contents;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savegpr0 (bfd *abfd, bfd_byte *p, int r)
|
savegpr0 (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, STD_R0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
bfd_put_32 (abfd, STD_R0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savegpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
savegpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = savegpr0 (abfd, p, r);
|
p = savegpr0 (abfd, p, r);
|
bfd_put_32 (abfd, STD_R0_0R1 + 16, p);
|
bfd_put_32 (abfd, STD_R0_0R1 + 16, p);
|
p = p + 4;
|
p = p + 4;
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restgpr0 (bfd *abfd, bfd_byte *p, int r)
|
restgpr0 (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LD_R0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
bfd_put_32 (abfd, LD_R0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restgpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
restgpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LD_R0_0R1 + 16, p);
|
bfd_put_32 (abfd, LD_R0_0R1 + 16, p);
|
p = p + 4;
|
p = p + 4;
|
p = restgpr0 (abfd, p, r);
|
p = restgpr0 (abfd, p, r);
|
bfd_put_32 (abfd, MTLR_R0, p);
|
bfd_put_32 (abfd, MTLR_R0, p);
|
p = p + 4;
|
p = p + 4;
|
if (r == 29)
|
if (r == 29)
|
{
|
{
|
p = restgpr0 (abfd, p, 30);
|
p = restgpr0 (abfd, p, 30);
|
p = restgpr0 (abfd, p, 31);
|
p = restgpr0 (abfd, p, 31);
|
}
|
}
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savegpr1 (bfd *abfd, bfd_byte *p, int r)
|
savegpr1 (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, STD_R0_0R12 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
bfd_put_32 (abfd, STD_R0_0R12 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savegpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
savegpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = savegpr1 (abfd, p, r);
|
p = savegpr1 (abfd, p, r);
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restgpr1 (bfd *abfd, bfd_byte *p, int r)
|
restgpr1 (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LD_R0_0R12 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
bfd_put_32 (abfd, LD_R0_0R12 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restgpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
restgpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = restgpr1 (abfd, p, r);
|
p = restgpr1 (abfd, p, r);
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savefpr (bfd *abfd, bfd_byte *p, int r)
|
savefpr (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, STFD_FR0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
bfd_put_32 (abfd, STFD_FR0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savefpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
savefpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = savefpr (abfd, p, r);
|
p = savefpr (abfd, p, r);
|
bfd_put_32 (abfd, STD_R0_0R1 + 16, p);
|
bfd_put_32 (abfd, STD_R0_0R1 + 16, p);
|
p = p + 4;
|
p = p + 4;
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restfpr (bfd *abfd, bfd_byte *p, int r)
|
restfpr (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LFD_FR0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
bfd_put_32 (abfd, LFD_FR0_0R1 + (r << 21) + (1 << 16) - (32 - r) * 8, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restfpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
restfpr0_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LD_R0_0R1 + 16, p);
|
bfd_put_32 (abfd, LD_R0_0R1 + 16, p);
|
p = p + 4;
|
p = p + 4;
|
p = restfpr (abfd, p, r);
|
p = restfpr (abfd, p, r);
|
bfd_put_32 (abfd, MTLR_R0, p);
|
bfd_put_32 (abfd, MTLR_R0, p);
|
p = p + 4;
|
p = p + 4;
|
if (r == 29)
|
if (r == 29)
|
{
|
{
|
p = restfpr (abfd, p, 30);
|
p = restfpr (abfd, p, 30);
|
p = restfpr (abfd, p, 31);
|
p = restfpr (abfd, p, 31);
|
}
|
}
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savefpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
savefpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = savefpr (abfd, p, r);
|
p = savefpr (abfd, p, r);
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restfpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
restfpr1_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = restfpr (abfd, p, r);
|
p = restfpr (abfd, p, r);
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savevr (bfd *abfd, bfd_byte *p, int r)
|
savevr (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LI_R12_0 + (1 << 16) - (32 - r) * 16, p);
|
bfd_put_32 (abfd, LI_R12_0 + (1 << 16) - (32 - r) * 16, p);
|
p = p + 4;
|
p = p + 4;
|
bfd_put_32 (abfd, STVX_VR0_R12_R0 + (r << 21), p);
|
bfd_put_32 (abfd, STVX_VR0_R12_R0 + (r << 21), p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
savevr_tail (bfd *abfd, bfd_byte *p, int r)
|
savevr_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = savevr (abfd, p, r);
|
p = savevr (abfd, p, r);
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restvr (bfd *abfd, bfd_byte *p, int r)
|
restvr (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
bfd_put_32 (abfd, LI_R12_0 + (1 << 16) - (32 - r) * 16, p);
|
bfd_put_32 (abfd, LI_R12_0 + (1 << 16) - (32 - r) * 16, p);
|
p = p + 4;
|
p = p + 4;
|
bfd_put_32 (abfd, LVX_VR0_R12_R0 + (r << 21), p);
|
bfd_put_32 (abfd, LVX_VR0_R12_R0 + (r << 21), p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
static bfd_byte *
|
static bfd_byte *
|
restvr_tail (bfd *abfd, bfd_byte *p, int r)
|
restvr_tail (bfd *abfd, bfd_byte *p, int r)
|
{
|
{
|
p = restvr (abfd, p, r);
|
p = restvr (abfd, p, r);
|
bfd_put_32 (abfd, BLR, p);
|
bfd_put_32 (abfd, BLR, p);
|
return p + 4;
|
return p + 4;
|
}
|
}
|
|
|
/* Called via elf_link_hash_traverse to transfer dynamic linking
|
/* Called via elf_link_hash_traverse to transfer dynamic linking
|
information on function code symbol entries to their corresponding
|
information on function code symbol entries to their corresponding
|
function descriptor symbol entries. */
|
function descriptor symbol entries. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
func_desc_adjust (struct elf_link_hash_entry *h, void *inf)
|
func_desc_adjust (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
struct ppc_link_hash_entry *fh;
|
struct ppc_link_hash_entry *fh;
|
struct ppc_link_hash_entry *fdh;
|
struct ppc_link_hash_entry *fdh;
|
bfd_boolean force_local;
|
bfd_boolean force_local;
|
|
|
fh = (struct ppc_link_hash_entry *) h;
|
fh = (struct ppc_link_hash_entry *) h;
|
if (fh->elf.root.type == bfd_link_hash_indirect)
|
if (fh->elf.root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (fh->elf.root.type == bfd_link_hash_warning)
|
if (fh->elf.root.type == bfd_link_hash_warning)
|
fh = (struct ppc_link_hash_entry *) fh->elf.root.u.i.link;
|
fh = (struct ppc_link_hash_entry *) fh->elf.root.u.i.link;
|
|
|
info = inf;
|
info = inf;
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
/* Resolve undefined references to dot-symbols as the value
|
/* Resolve undefined references to dot-symbols as the value
|
in the function descriptor, if we have one in a regular object.
|
in the function descriptor, if we have one in a regular object.
|
This is to satisfy cases like ".quad .foo". Calls to functions
|
This is to satisfy cases like ".quad .foo". Calls to functions
|
in dynamic objects are handled elsewhere. */
|
in dynamic objects are handled elsewhere. */
|
if (fh->elf.root.type == bfd_link_hash_undefweak
|
if (fh->elf.root.type == bfd_link_hash_undefweak
|
&& fh->was_undefined
|
&& fh->was_undefined
|
&& (fh->oh->elf.root.type == bfd_link_hash_defined
|
&& (fh->oh->elf.root.type == bfd_link_hash_defined
|
|| fh->oh->elf.root.type == bfd_link_hash_defweak)
|
|| fh->oh->elf.root.type == bfd_link_hash_defweak)
|
&& get_opd_info (fh->oh->elf.root.u.def.section) != NULL
|
&& get_opd_info (fh->oh->elf.root.u.def.section) != NULL
|
&& opd_entry_value (fh->oh->elf.root.u.def.section,
|
&& opd_entry_value (fh->oh->elf.root.u.def.section,
|
fh->oh->elf.root.u.def.value,
|
fh->oh->elf.root.u.def.value,
|
&fh->elf.root.u.def.section,
|
&fh->elf.root.u.def.section,
|
&fh->elf.root.u.def.value) != (bfd_vma) -1)
|
&fh->elf.root.u.def.value) != (bfd_vma) -1)
|
{
|
{
|
fh->elf.root.type = fh->oh->elf.root.type;
|
fh->elf.root.type = fh->oh->elf.root.type;
|
fh->elf.forced_local = 1;
|
fh->elf.forced_local = 1;
|
fh->elf.def_regular = fh->oh->elf.def_regular;
|
fh->elf.def_regular = fh->oh->elf.def_regular;
|
fh->elf.def_dynamic = fh->oh->elf.def_dynamic;
|
fh->elf.def_dynamic = fh->oh->elf.def_dynamic;
|
}
|
}
|
|
|
/* If this is a function code symbol, transfer dynamic linking
|
/* If this is a function code symbol, transfer dynamic linking
|
information to the function descriptor symbol. */
|
information to the function descriptor symbol. */
|
if (!fh->is_func)
|
if (!fh->is_func)
|
return TRUE;
|
return TRUE;
|
|
|
for (ent = fh->elf.plt.plist; ent != NULL; ent = ent->next)
|
for (ent = fh->elf.plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
break;
|
break;
|
if (ent == NULL
|
if (ent == NULL
|
|| fh->elf.root.root.string[0] != '.'
|
|| fh->elf.root.root.string[0] != '.'
|
|| fh->elf.root.root.string[1] == '\0')
|
|| fh->elf.root.root.string[1] == '\0')
|
return TRUE;
|
return TRUE;
|
|
|
/* Find the corresponding function descriptor symbol. Create it
|
/* Find the corresponding function descriptor symbol. Create it
|
as undefined if necessary. */
|
as undefined if necessary. */
|
|
|
fdh = get_fdh (fh, htab);
|
fdh = get_fdh (fh, htab);
|
if (fdh != NULL)
|
if (fdh != NULL)
|
while (fdh->elf.root.type == bfd_link_hash_indirect
|
while (fdh->elf.root.type == bfd_link_hash_indirect
|
|| fdh->elf.root.type == bfd_link_hash_warning)
|
|| fdh->elf.root.type == bfd_link_hash_warning)
|
fdh = (struct ppc_link_hash_entry *) fdh->elf.root.u.i.link;
|
fdh = (struct ppc_link_hash_entry *) fdh->elf.root.u.i.link;
|
|
|
if (fdh == NULL
|
if (fdh == NULL
|
&& info->shared
|
&& info->shared
|
&& (fh->elf.root.type == bfd_link_hash_undefined
|
&& (fh->elf.root.type == bfd_link_hash_undefined
|
|| fh->elf.root.type == bfd_link_hash_undefweak))
|
|| fh->elf.root.type == bfd_link_hash_undefweak))
|
{
|
{
|
fdh = make_fdh (info, fh);
|
fdh = make_fdh (info, fh);
|
if (fdh == NULL)
|
if (fdh == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Fake function descriptors are made undefweak. If the function
|
/* Fake function descriptors are made undefweak. If the function
|
code symbol is strong undefined, make the fake sym the same.
|
code symbol is strong undefined, make the fake sym the same.
|
If the function code symbol is defined, then force the fake
|
If the function code symbol is defined, then force the fake
|
descriptor local; We can't support overriding of symbols in a
|
descriptor local; We can't support overriding of symbols in a
|
shared library on a fake descriptor. */
|
shared library on a fake descriptor. */
|
|
|
if (fdh != NULL
|
if (fdh != NULL
|
&& fdh->fake
|
&& fdh->fake
|
&& fdh->elf.root.type == bfd_link_hash_undefweak)
|
&& fdh->elf.root.type == bfd_link_hash_undefweak)
|
{
|
{
|
if (fh->elf.root.type == bfd_link_hash_undefined)
|
if (fh->elf.root.type == bfd_link_hash_undefined)
|
{
|
{
|
fdh->elf.root.type = bfd_link_hash_undefined;
|
fdh->elf.root.type = bfd_link_hash_undefined;
|
bfd_link_add_undef (&htab->elf.root, &fdh->elf.root);
|
bfd_link_add_undef (&htab->elf.root, &fdh->elf.root);
|
}
|
}
|
else if (fh->elf.root.type == bfd_link_hash_defined
|
else if (fh->elf.root.type == bfd_link_hash_defined
|
|| fh->elf.root.type == bfd_link_hash_defweak)
|
|| fh->elf.root.type == bfd_link_hash_defweak)
|
{
|
{
|
_bfd_elf_link_hash_hide_symbol (info, &fdh->elf, TRUE);
|
_bfd_elf_link_hash_hide_symbol (info, &fdh->elf, TRUE);
|
}
|
}
|
}
|
}
|
|
|
if (fdh != NULL
|
if (fdh != NULL
|
&& !fdh->elf.forced_local
|
&& !fdh->elf.forced_local
|
&& (info->shared
|
&& (info->shared
|
|| fdh->elf.def_dynamic
|
|| fdh->elf.def_dynamic
|
|| fdh->elf.ref_dynamic
|
|| fdh->elf.ref_dynamic
|
|| (fdh->elf.root.type == bfd_link_hash_undefweak
|
|| (fdh->elf.root.type == bfd_link_hash_undefweak
|
&& ELF_ST_VISIBILITY (fdh->elf.other) == STV_DEFAULT)))
|
&& ELF_ST_VISIBILITY (fdh->elf.other) == STV_DEFAULT)))
|
{
|
{
|
if (fdh->elf.dynindx == -1)
|
if (fdh->elf.dynindx == -1)
|
if (! bfd_elf_link_record_dynamic_symbol (info, &fdh->elf))
|
if (! bfd_elf_link_record_dynamic_symbol (info, &fdh->elf))
|
return FALSE;
|
return FALSE;
|
fdh->elf.ref_regular |= fh->elf.ref_regular;
|
fdh->elf.ref_regular |= fh->elf.ref_regular;
|
fdh->elf.ref_dynamic |= fh->elf.ref_dynamic;
|
fdh->elf.ref_dynamic |= fh->elf.ref_dynamic;
|
fdh->elf.ref_regular_nonweak |= fh->elf.ref_regular_nonweak;
|
fdh->elf.ref_regular_nonweak |= fh->elf.ref_regular_nonweak;
|
fdh->elf.non_got_ref |= fh->elf.non_got_ref;
|
fdh->elf.non_got_ref |= fh->elf.non_got_ref;
|
if (ELF_ST_VISIBILITY (fh->elf.other) == STV_DEFAULT)
|
if (ELF_ST_VISIBILITY (fh->elf.other) == STV_DEFAULT)
|
{
|
{
|
move_plt_plist (fh, fdh);
|
move_plt_plist (fh, fdh);
|
fdh->elf.needs_plt = 1;
|
fdh->elf.needs_plt = 1;
|
}
|
}
|
fdh->is_func_descriptor = 1;
|
fdh->is_func_descriptor = 1;
|
fdh->oh = fh;
|
fdh->oh = fh;
|
fh->oh = fdh;
|
fh->oh = fdh;
|
}
|
}
|
|
|
/* Now that the info is on the function descriptor, clear the
|
/* Now that the info is on the function descriptor, clear the
|
function code sym info. Any function code syms for which we
|
function code sym info. Any function code syms for which we
|
don't have a definition in a regular file, we force local.
|
don't have a definition in a regular file, we force local.
|
This prevents a shared library from exporting syms that have
|
This prevents a shared library from exporting syms that have
|
been imported from another library. Function code syms that
|
been imported from another library. Function code syms that
|
are really in the library we must leave global to prevent the
|
are really in the library we must leave global to prevent the
|
linker dragging in a definition from a static library. */
|
linker dragging in a definition from a static library. */
|
force_local = (!fh->elf.def_regular
|
force_local = (!fh->elf.def_regular
|
|| fdh == NULL
|
|| fdh == NULL
|
|| !fdh->elf.def_regular
|
|| !fdh->elf.def_regular
|
|| fdh->elf.forced_local);
|
|| fdh->elf.forced_local);
|
_bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);
|
_bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Called near the start of bfd_elf_size_dynamic_sections. We use
|
/* Called near the start of bfd_elf_size_dynamic_sections. We use
|
this hook to a) provide some gcc support functions, and b) transfer
|
this hook to a) provide some gcc support functions, and b) transfer
|
dynamic linking information gathered so far on function code symbol
|
dynamic linking information gathered so far on function code symbol
|
entries, to their corresponding function descriptor symbol entries. */
|
entries, to their corresponding function descriptor symbol entries. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
|
ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
unsigned int i;
|
unsigned int i;
|
const struct sfpr_def_parms funcs[] =
|
const struct sfpr_def_parms funcs[] =
|
{
|
{
|
{ "_savegpr0_", 14, 31, savegpr0, savegpr0_tail },
|
{ "_savegpr0_", 14, 31, savegpr0, savegpr0_tail },
|
{ "_restgpr0_", 14, 29, restgpr0, restgpr0_tail },
|
{ "_restgpr0_", 14, 29, restgpr0, restgpr0_tail },
|
{ "_restgpr0_", 30, 31, restgpr0, restgpr0_tail },
|
{ "_restgpr0_", 30, 31, restgpr0, restgpr0_tail },
|
{ "_savegpr1_", 14, 31, savegpr1, savegpr1_tail },
|
{ "_savegpr1_", 14, 31, savegpr1, savegpr1_tail },
|
{ "_restgpr1_", 14, 31, restgpr1, restgpr1_tail },
|
{ "_restgpr1_", 14, 31, restgpr1, restgpr1_tail },
|
{ "_savefpr_", 14, 31, savefpr, savefpr0_tail },
|
{ "_savefpr_", 14, 31, savefpr, savefpr0_tail },
|
{ "_restfpr_", 14, 29, restfpr, restfpr0_tail },
|
{ "_restfpr_", 14, 29, restfpr, restfpr0_tail },
|
{ "_restfpr_", 30, 31, restfpr, restfpr0_tail },
|
{ "_restfpr_", 30, 31, restfpr, restfpr0_tail },
|
{ "._savef", 14, 31, savefpr, savefpr1_tail },
|
{ "._savef", 14, 31, savefpr, savefpr1_tail },
|
{ "._restf", 14, 31, restfpr, restfpr1_tail },
|
{ "._restf", 14, 31, restfpr, restfpr1_tail },
|
{ "_savevr_", 20, 31, savevr, savevr_tail },
|
{ "_savevr_", 20, 31, savevr, savevr_tail },
|
{ "_restvr_", 20, 31, restvr, restvr_tail }
|
{ "_restvr_", 20, 31, restvr, restvr_tail }
|
};
|
};
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
if (htab->sfpr == NULL)
|
if (htab->sfpr == NULL)
|
/* We don't have any relocs. */
|
/* We don't have any relocs. */
|
return TRUE;
|
return TRUE;
|
|
|
/* Provide any missing _save* and _rest* functions. */
|
/* Provide any missing _save* and _rest* functions. */
|
htab->sfpr->size = 0;
|
htab->sfpr->size = 0;
|
for (i = 0; i < sizeof (funcs) / sizeof (funcs[0]); i++)
|
for (i = 0; i < sizeof (funcs) / sizeof (funcs[0]); i++)
|
if (!sfpr_define (info, &funcs[i]))
|
if (!sfpr_define (info, &funcs[i]))
|
return FALSE;
|
return FALSE;
|
|
|
elf_link_hash_traverse (&htab->elf, func_desc_adjust, info);
|
elf_link_hash_traverse (&htab->elf, func_desc_adjust, info);
|
|
|
if (htab->sfpr->size == 0)
|
if (htab->sfpr->size == 0)
|
htab->sfpr->flags |= SEC_EXCLUDE;
|
htab->sfpr->flags |= SEC_EXCLUDE;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
regular object. The current definition is in some section of the
|
regular object. The current definition is in some section of the
|
dynamic object, but we're not including those sections. We have to
|
dynamic object, but we're not including those sections. We have to
|
change the definition to something the rest of the link can
|
change the definition to something the rest of the link can
|
understand. */
|
understand. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
ppc64_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
/* Deal with function syms. */
|
/* Deal with function syms. */
|
if (h->type == STT_FUNC
|
if (h->type == STT_FUNC
|
|| h->needs_plt)
|
|| h->needs_plt)
|
{
|
{
|
/* Clear procedure linkage table information for any symbol that
|
/* Clear procedure linkage table information for any symbol that
|
won't need a .plt entry. */
|
won't need a .plt entry. */
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
break;
|
break;
|
if (ent == NULL
|
if (ent == NULL
|
|| SYMBOL_CALLS_LOCAL (info, h)
|
|| SYMBOL_CALLS_LOCAL (info, h)
|
|| (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
&& h->root.type == bfd_link_hash_undefweak))
|
&& h->root.type == bfd_link_hash_undefweak))
|
{
|
{
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
|
|
/* If this is a weak symbol, and there is a real definition, the
|
/* If this is a weak symbol, and there is a real definition, the
|
processor independent code will have arranged for us to see the
|
processor independent code will have arranged for us to see the
|
real definition first, and we can just use the same value. */
|
real definition first, and we can just use the same value. */
|
if (h->u.weakdef != NULL)
|
if (h->u.weakdef != NULL)
|
{
|
{
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
if (ELIMINATE_COPY_RELOCS)
|
if (ELIMINATE_COPY_RELOCS)
|
h->non_got_ref = h->u.weakdef->non_got_ref;
|
h->non_got_ref = h->u.weakdef->non_got_ref;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* If we are creating a shared library, we must presume that the
|
/* If we are creating a shared library, we must presume that the
|
only references to the symbol are via the global offset table.
|
only references to the symbol are via the global offset table.
|
For such cases we need not do anything here; the relocations will
|
For such cases we need not do anything here; the relocations will
|
be handled correctly by relocate_section. */
|
be handled correctly by relocate_section. */
|
if (info->shared)
|
if (info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
/* If there are no references to this symbol that do not use the
|
/* If there are no references to this symbol that do not use the
|
GOT, we don't need to generate a copy reloc. */
|
GOT, we don't need to generate a copy reloc. */
|
if (!h->non_got_ref)
|
if (!h->non_got_ref)
|
return TRUE;
|
return TRUE;
|
|
|
/* Don't generate a copy reloc for symbols defined in the executable. */
|
/* Don't generate a copy reloc for symbols defined in the executable. */
|
if (!h->def_dynamic || !h->ref_regular || h->def_regular)
|
if (!h->def_dynamic || !h->ref_regular || h->def_regular)
|
return TRUE;
|
return TRUE;
|
|
|
if (ELIMINATE_COPY_RELOCS)
|
if (ELIMINATE_COPY_RELOCS)
|
{
|
{
|
struct ppc_link_hash_entry * eh;
|
struct ppc_link_hash_entry * eh;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
s = p->sec->output_section;
|
s = p->sec->output_section;
|
if (s != NULL && (s->flags & SEC_READONLY) != 0)
|
if (s != NULL && (s->flags & SEC_READONLY) != 0)
|
break;
|
break;
|
}
|
}
|
|
|
/* If we didn't find any dynamic relocs in read-only sections, then
|
/* If we didn't find any dynamic relocs in read-only sections, then
|
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
|
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
|
if (p == NULL)
|
if (p == NULL)
|
{
|
{
|
h->non_got_ref = 0;
|
h->non_got_ref = 0;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
}
|
}
|
|
|
if (h->plt.plist != NULL)
|
if (h->plt.plist != NULL)
|
{
|
{
|
/* We should never get here, but unfortunately there are versions
|
/* We should never get here, but unfortunately there are versions
|
of gcc out there that improperly (for this ABI) put initialized
|
of gcc out there that improperly (for this ABI) put initialized
|
function pointers, vtable refs and suchlike in read-only
|
function pointers, vtable refs and suchlike in read-only
|
sections. Allow them to proceed, but warn that this might
|
sections. Allow them to proceed, but warn that this might
|
break at runtime. */
|
break at runtime. */
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("copy reloc against `%s' requires lazy plt linking; "
|
(_("copy reloc against `%s' requires lazy plt linking; "
|
"avoid setting LD_BIND_NOW=1 or upgrade gcc"),
|
"avoid setting LD_BIND_NOW=1 or upgrade gcc"),
|
h->root.root.string);
|
h->root.root.string);
|
}
|
}
|
|
|
/* This is a reference to a symbol defined by a dynamic object which
|
/* This is a reference to a symbol defined by a dynamic object which
|
is not a function. */
|
is not a function. */
|
|
|
if (h->size == 0)
|
if (h->size == 0)
|
{
|
{
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
h->root.root.string);
|
h->root.root.string);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* We must allocate the symbol in our .dynbss section, which will
|
/* We must allocate the symbol in our .dynbss section, which will
|
become part of the .bss section of the executable. There will be
|
become part of the .bss section of the executable. There will be
|
an entry for this symbol in the .dynsym section. The dynamic
|
an entry for this symbol in the .dynsym section. The dynamic
|
object will contain position independent code, so all references
|
object will contain position independent code, so all references
|
from the dynamic object to this symbol will go through the global
|
from the dynamic object to this symbol will go through the global
|
offset table. The dynamic linker will use the .dynsym entry to
|
offset table. The dynamic linker will use the .dynsym entry to
|
determine the address it must put in the global offset table, so
|
determine the address it must put in the global offset table, so
|
both the dynamic object and the regular object will refer to the
|
both the dynamic object and the regular object will refer to the
|
same memory location for the variable. */
|
same memory location for the variable. */
|
|
|
/* We must generate a R_PPC64_COPY reloc to tell the dynamic linker
|
/* We must generate a R_PPC64_COPY reloc to tell the dynamic linker
|
to copy the initial value out of the dynamic object and into the
|
to copy the initial value out of the dynamic object and into the
|
runtime process image. We need to remember the offset into the
|
runtime process image. We need to remember the offset into the
|
.rela.bss section we are going to use. */
|
.rela.bss section we are going to use. */
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
{
|
{
|
htab->relbss->size += sizeof (Elf64_External_Rela);
|
htab->relbss->size += sizeof (Elf64_External_Rela);
|
h->needs_copy = 1;
|
h->needs_copy = 1;
|
}
|
}
|
|
|
s = htab->dynbss;
|
s = htab->dynbss;
|
|
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
}
|
}
|
|
|
/* If given a function descriptor symbol, hide both the function code
|
/* If given a function descriptor symbol, hide both the function code
|
sym and the descriptor. */
|
sym and the descriptor. */
|
static void
|
static void
|
ppc64_elf_hide_symbol (struct bfd_link_info *info,
|
ppc64_elf_hide_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
bfd_boolean force_local)
|
bfd_boolean force_local)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
_bfd_elf_link_hash_hide_symbol (info, h, force_local);
|
_bfd_elf_link_hash_hide_symbol (info, h, force_local);
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
if (eh->is_func_descriptor)
|
if (eh->is_func_descriptor)
|
{
|
{
|
struct ppc_link_hash_entry *fh = eh->oh;
|
struct ppc_link_hash_entry *fh = eh->oh;
|
|
|
if (fh == NULL)
|
if (fh == NULL)
|
{
|
{
|
const char *p, *q;
|
const char *p, *q;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
char save;
|
char save;
|
|
|
/* We aren't supposed to use alloca in BFD because on
|
/* We aren't supposed to use alloca in BFD because on
|
systems which do not have alloca the version in libiberty
|
systems which do not have alloca the version in libiberty
|
calls xmalloc, which might cause the program to crash
|
calls xmalloc, which might cause the program to crash
|
when it runs out of memory. This function doesn't have a
|
when it runs out of memory. This function doesn't have a
|
return status, so there's no way to gracefully return an
|
return status, so there's no way to gracefully return an
|
error. So cheat. We know that string[-1] can be safely
|
error. So cheat. We know that string[-1] can be safely
|
accessed; It's either a string in an ELF string table,
|
accessed; It's either a string in an ELF string table,
|
or allocated in an objalloc structure. */
|
or allocated in an objalloc structure. */
|
|
|
p = eh->elf.root.root.string - 1;
|
p = eh->elf.root.root.string - 1;
|
save = *p;
|
save = *p;
|
*(char *) p = '.';
|
*(char *) p = '.';
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
fh = (struct ppc_link_hash_entry *)
|
fh = (struct ppc_link_hash_entry *)
|
elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
|
elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
|
*(char *) p = save;
|
*(char *) p = save;
|
|
|
/* Unfortunately, if it so happens that the string we were
|
/* Unfortunately, if it so happens that the string we were
|
looking for was allocated immediately before this string,
|
looking for was allocated immediately before this string,
|
then we overwrote the string terminator. That's the only
|
then we overwrote the string terminator. That's the only
|
reason the lookup should fail. */
|
reason the lookup should fail. */
|
if (fh == NULL)
|
if (fh == NULL)
|
{
|
{
|
q = eh->elf.root.root.string + strlen (eh->elf.root.root.string);
|
q = eh->elf.root.root.string + strlen (eh->elf.root.root.string);
|
while (q >= eh->elf.root.root.string && *q == *p)
|
while (q >= eh->elf.root.root.string && *q == *p)
|
--q, --p;
|
--q, --p;
|
if (q < eh->elf.root.root.string && *p == '.')
|
if (q < eh->elf.root.root.string && *p == '.')
|
fh = (struct ppc_link_hash_entry *)
|
fh = (struct ppc_link_hash_entry *)
|
elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
|
elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
|
}
|
}
|
if (fh != NULL)
|
if (fh != NULL)
|
{
|
{
|
eh->oh = fh;
|
eh->oh = fh;
|
fh->oh = eh;
|
fh->oh = eh;
|
}
|
}
|
}
|
}
|
if (fh != NULL)
|
if (fh != NULL)
|
_bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);
|
_bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);
|
}
|
}
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
get_sym_h (struct elf_link_hash_entry **hp,
|
get_sym_h (struct elf_link_hash_entry **hp,
|
Elf_Internal_Sym **symp,
|
Elf_Internal_Sym **symp,
|
asection **symsecp,
|
asection **symsecp,
|
char **tls_maskp,
|
char **tls_maskp,
|
Elf_Internal_Sym **locsymsp,
|
Elf_Internal_Sym **locsymsp,
|
unsigned long r_symndx,
|
unsigned long r_symndx,
|
bfd *ibfd)
|
bfd *ibfd)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
|
|
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
{
|
{
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
if (hp != NULL)
|
if (hp != NULL)
|
*hp = h;
|
*hp = h;
|
|
|
if (symp != NULL)
|
if (symp != NULL)
|
*symp = NULL;
|
*symp = NULL;
|
|
|
if (symsecp != NULL)
|
if (symsecp != NULL)
|
{
|
{
|
asection *symsec = NULL;
|
asection *symsec = NULL;
|
if (h->root.type == bfd_link_hash_defined
|
if (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
symsec = h->root.u.def.section;
|
symsec = h->root.u.def.section;
|
*symsecp = symsec;
|
*symsecp = symsec;
|
}
|
}
|
|
|
if (tls_maskp != NULL)
|
if (tls_maskp != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
*tls_maskp = &eh->tls_mask;
|
*tls_maskp = &eh->tls_mask;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *locsyms = *locsymsp;
|
Elf_Internal_Sym *locsyms = *locsymsp;
|
|
|
if (locsyms == NULL)
|
if (locsyms == NULL)
|
{
|
{
|
locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
|
locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (locsyms == NULL)
|
if (locsyms == NULL)
|
locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
|
locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
|
symtab_hdr->sh_info,
|
symtab_hdr->sh_info,
|
0, NULL, NULL, NULL);
|
0, NULL, NULL, NULL);
|
if (locsyms == NULL)
|
if (locsyms == NULL)
|
return FALSE;
|
return FALSE;
|
*locsymsp = locsyms;
|
*locsymsp = locsyms;
|
}
|
}
|
sym = locsyms + r_symndx;
|
sym = locsyms + r_symndx;
|
|
|
if (hp != NULL)
|
if (hp != NULL)
|
*hp = NULL;
|
*hp = NULL;
|
|
|
if (symp != NULL)
|
if (symp != NULL)
|
*symp = sym;
|
*symp = sym;
|
|
|
if (symsecp != NULL)
|
if (symsecp != NULL)
|
*symsecp = bfd_section_from_elf_index (ibfd, sym->st_shndx);
|
*symsecp = bfd_section_from_elf_index (ibfd, sym->st_shndx);
|
|
|
if (tls_maskp != NULL)
|
if (tls_maskp != NULL)
|
{
|
{
|
struct got_entry **lgot_ents;
|
struct got_entry **lgot_ents;
|
char *tls_mask;
|
char *tls_mask;
|
|
|
tls_mask = NULL;
|
tls_mask = NULL;
|
lgot_ents = elf_local_got_ents (ibfd);
|
lgot_ents = elf_local_got_ents (ibfd);
|
if (lgot_ents != NULL)
|
if (lgot_ents != NULL)
|
{
|
{
|
char *lgot_masks = (char *) (lgot_ents + symtab_hdr->sh_info);
|
char *lgot_masks = (char *) (lgot_ents + symtab_hdr->sh_info);
|
tls_mask = &lgot_masks[r_symndx];
|
tls_mask = &lgot_masks[r_symndx];
|
}
|
}
|
*tls_maskp = tls_mask;
|
*tls_maskp = tls_mask;
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Returns TLS_MASKP for the given REL symbol. Function return is 0 on
|
/* Returns TLS_MASKP for the given REL symbol. Function return is 0 on
|
error, 2 on a toc GD type suitable for optimization, 3 on a toc LD
|
error, 2 on a toc GD type suitable for optimization, 3 on a toc LD
|
type suitable for optimization, and 1 otherwise. */
|
type suitable for optimization, and 1 otherwise. */
|
|
|
static int
|
static int
|
get_tls_mask (char **tls_maskp, unsigned long *toc_symndx,
|
get_tls_mask (char **tls_maskp, unsigned long *toc_symndx,
|
Elf_Internal_Sym **locsymsp,
|
Elf_Internal_Sym **locsymsp,
|
const Elf_Internal_Rela *rel, bfd *ibfd)
|
const Elf_Internal_Rela *rel, bfd *ibfd)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
int next_r;
|
int next_r;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
bfd_vma off;
|
bfd_vma off;
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
|
if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
|
return 0;
|
return 0;
|
|
|
if ((*tls_maskp != NULL && **tls_maskp != 0)
|
if ((*tls_maskp != NULL && **tls_maskp != 0)
|
|| sec == NULL
|
|| sec == NULL
|
|| ppc64_elf_section_data (sec)->sec_type != sec_toc)
|
|| ppc64_elf_section_data (sec)->sec_type != sec_toc)
|
return 1;
|
return 1;
|
|
|
/* Look inside a TOC section too. */
|
/* Look inside a TOC section too. */
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
BFD_ASSERT (h->root.type == bfd_link_hash_defined);
|
BFD_ASSERT (h->root.type == bfd_link_hash_defined);
|
off = h->root.u.def.value;
|
off = h->root.u.def.value;
|
}
|
}
|
else
|
else
|
off = sym->st_value;
|
off = sym->st_value;
|
off += rel->r_addend;
|
off += rel->r_addend;
|
BFD_ASSERT (off % 8 == 0);
|
BFD_ASSERT (off % 8 == 0);
|
r_symndx = ppc64_elf_section_data (sec)->u.t_symndx[off / 8];
|
r_symndx = ppc64_elf_section_data (sec)->u.t_symndx[off / 8];
|
next_r = ppc64_elf_section_data (sec)->u.t_symndx[off / 8 + 1];
|
next_r = ppc64_elf_section_data (sec)->u.t_symndx[off / 8 + 1];
|
if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
|
if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
|
return 0;
|
return 0;
|
if (toc_symndx != NULL)
|
if (toc_symndx != NULL)
|
*toc_symndx = r_symndx;
|
*toc_symndx = r_symndx;
|
if ((h == NULL
|
if ((h == NULL
|
|| ((h->root.type == bfd_link_hash_defined
|
|| ((h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
&& !h->def_dynamic))
|
&& !h->def_dynamic))
|
&& (next_r == -1 || next_r == -2))
|
&& (next_r == -1 || next_r == -2))
|
return 1 - next_r;
|
return 1 - next_r;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Adjust all global syms defined in opd sections. In gcc generated
|
/* Adjust all global syms defined in opd sections. In gcc generated
|
code for the old ABI, these will already have been done. */
|
code for the old ABI, these will already have been done. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
adjust_opd_syms (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
|
adjust_opd_syms (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
|
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
if (h->root.type != bfd_link_hash_defined
|
if (h->root.type != bfd_link_hash_defined
|
&& h->root.type != bfd_link_hash_defweak)
|
&& h->root.type != bfd_link_hash_defweak)
|
return TRUE;
|
return TRUE;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
if (eh->adjust_done)
|
if (eh->adjust_done)
|
return TRUE;
|
return TRUE;
|
|
|
sym_sec = eh->elf.root.u.def.section;
|
sym_sec = eh->elf.root.u.def.section;
|
opd = get_opd_info (sym_sec);
|
opd = get_opd_info (sym_sec);
|
if (opd != NULL && opd->adjust != NULL)
|
if (opd != NULL && opd->adjust != NULL)
|
{
|
{
|
long adjust = opd->adjust[eh->elf.root.u.def.value / 8];
|
long adjust = opd->adjust[eh->elf.root.u.def.value / 8];
|
if (adjust == -1)
|
if (adjust == -1)
|
{
|
{
|
/* This entry has been deleted. */
|
/* This entry has been deleted. */
|
asection *dsec = ppc64_elf_tdata (sym_sec->owner)->deleted_section;
|
asection *dsec = ppc64_elf_tdata (sym_sec->owner)->deleted_section;
|
if (dsec == NULL)
|
if (dsec == NULL)
|
{
|
{
|
for (dsec = sym_sec->owner->sections; dsec; dsec = dsec->next)
|
for (dsec = sym_sec->owner->sections; dsec; dsec = dsec->next)
|
if (elf_discarded_section (dsec))
|
if (elf_discarded_section (dsec))
|
{
|
{
|
ppc64_elf_tdata (sym_sec->owner)->deleted_section = dsec;
|
ppc64_elf_tdata (sym_sec->owner)->deleted_section = dsec;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
eh->elf.root.u.def.value = 0;
|
eh->elf.root.u.def.value = 0;
|
eh->elf.root.u.def.section = dsec;
|
eh->elf.root.u.def.section = dsec;
|
}
|
}
|
else
|
else
|
eh->elf.root.u.def.value += adjust;
|
eh->elf.root.u.def.value += adjust;
|
eh->adjust_done = 1;
|
eh->adjust_done = 1;
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Handles decrementing dynamic reloc counts for the reloc specified by
|
/* Handles decrementing dynamic reloc counts for the reloc specified by
|
R_INFO in section SEC. If LOCAL_SYMS is NULL, then H and SYM_SEC
|
R_INFO in section SEC. If LOCAL_SYMS is NULL, then H and SYM_SEC
|
have already been determined. */
|
have already been determined. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
dec_dynrel_count (bfd_vma r_info,
|
dec_dynrel_count (bfd_vma r_info,
|
asection *sec,
|
asection *sec,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
Elf_Internal_Sym **local_syms,
|
Elf_Internal_Sym **local_syms,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
asection *sym_sec)
|
asection *sym_sec)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs **pp;
|
struct ppc_dyn_relocs **pp;
|
|
|
/* Can this reloc be dynamic? This switch, and later tests here
|
/* Can this reloc be dynamic? This switch, and later tests here
|
should be kept in sync with the code in check_relocs. */
|
should be kept in sync with the code in check_relocs. */
|
r_type = ELF64_R_TYPE (r_info);
|
r_type = ELF64_R_TYPE (r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
return TRUE;
|
return TRUE;
|
|
|
case R_PPC64_TPREL16:
|
case R_PPC64_TPREL16:
|
case R_PPC64_TPREL16_LO:
|
case R_PPC64_TPREL16_LO:
|
case R_PPC64_TPREL16_HI:
|
case R_PPC64_TPREL16_HI:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHESTA:
|
case R_PPC64_TPREL16_HIGHESTA:
|
if (!info->shared)
|
if (!info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
case R_PPC64_TPREL64:
|
case R_PPC64_TPREL64:
|
case R_PPC64_DTPMOD64:
|
case R_PPC64_DTPMOD64:
|
case R_PPC64_DTPREL64:
|
case R_PPC64_DTPREL64:
|
case R_PPC64_ADDR64:
|
case R_PPC64_ADDR64:
|
case R_PPC64_REL30:
|
case R_PPC64_REL30:
|
case R_PPC64_REL32:
|
case R_PPC64_REL32:
|
case R_PPC64_REL64:
|
case R_PPC64_REL64:
|
case R_PPC64_ADDR14:
|
case R_PPC64_ADDR14:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR16:
|
case R_PPC64_ADDR16:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HI:
|
case R_PPC64_ADDR16_HI:
|
case R_PPC64_ADDR16_HIGHER:
|
case R_PPC64_ADDR16_HIGHER:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHEST:
|
case R_PPC64_ADDR16_HIGHEST:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_LO:
|
case R_PPC64_ADDR16_LO:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR24:
|
case R_PPC64_ADDR24:
|
case R_PPC64_ADDR32:
|
case R_PPC64_ADDR32:
|
case R_PPC64_UADDR16:
|
case R_PPC64_UADDR16:
|
case R_PPC64_UADDR32:
|
case R_PPC64_UADDR32:
|
case R_PPC64_UADDR64:
|
case R_PPC64_UADDR64:
|
case R_PPC64_TOC:
|
case R_PPC64_TOC:
|
break;
|
break;
|
}
|
}
|
|
|
if (local_syms != NULL)
|
if (local_syms != NULL)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
bfd *ibfd = sec->owner;
|
bfd *ibfd = sec->owner;
|
|
|
r_symndx = ELF64_R_SYM (r_info);
|
r_symndx = ELF64_R_SYM (r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, local_syms, r_symndx, ibfd))
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, local_syms, r_symndx, ibfd))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if ((info->shared
|
if ((info->shared
|
&& (MUST_BE_DYN_RELOC (r_type)
|
&& (MUST_BE_DYN_RELOC (r_type)
|
|| (h != NULL
|
|| (h != NULL
|
&& (!info->symbolic
|
&& (!info->symbolic
|
|| h->root.type == bfd_link_hash_defweak
|
|| h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular))))
|
|| !h->def_regular))))
|
|| (ELIMINATE_COPY_RELOCS
|
|| (ELIMINATE_COPY_RELOCS
|
&& !info->shared
|
&& !info->shared
|
&& h != NULL
|
&& h != NULL
|
&& (h->root.type == bfd_link_hash_defweak
|
&& (h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular)))
|
|| !h->def_regular)))
|
;
|
;
|
else
|
else
|
return TRUE;
|
return TRUE;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
|
pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
|
else
|
else
|
{
|
{
|
if (sym_sec != NULL)
|
if (sym_sec != NULL)
|
{
|
{
|
void *vpp = &elf_section_data (sym_sec)->local_dynrel;
|
void *vpp = &elf_section_data (sym_sec)->local_dynrel;
|
pp = (struct ppc_dyn_relocs **) vpp;
|
pp = (struct ppc_dyn_relocs **) vpp;
|
}
|
}
|
else
|
else
|
{
|
{
|
void *vpp = &elf_section_data (sec)->local_dynrel;
|
void *vpp = &elf_section_data (sec)->local_dynrel;
|
pp = (struct ppc_dyn_relocs **) vpp;
|
pp = (struct ppc_dyn_relocs **) vpp;
|
}
|
}
|
|
|
/* elf_gc_sweep may have already removed all dyn relocs associated
|
/* elf_gc_sweep may have already removed all dyn relocs associated
|
with local syms for a given section. Don't report a dynreloc
|
with local syms for a given section. Don't report a dynreloc
|
miscount. */
|
miscount. */
|
if (*pp == NULL)
|
if (*pp == NULL)
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
while ((p = *pp) != NULL)
|
while ((p = *pp) != NULL)
|
{
|
{
|
if (p->sec == sec)
|
if (p->sec == sec)
|
{
|
{
|
if (!MUST_BE_DYN_RELOC (r_type))
|
if (!MUST_BE_DYN_RELOC (r_type))
|
p->pc_count -= 1;
|
p->pc_count -= 1;
|
p->count -= 1;
|
p->count -= 1;
|
if (p->count == 0)
|
if (p->count == 0)
|
*pp = p->next;
|
*pp = p->next;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
|
|
(*_bfd_error_handler) (_("dynreloc miscount for %B, section %A"),
|
(*_bfd_error_handler) (_("dynreloc miscount for %B, section %A"),
|
sec->owner, sec);
|
sec->owner, sec);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Remove unused Official Procedure Descriptor entries. Currently we
|
/* Remove unused Official Procedure Descriptor entries. Currently we
|
only remove those associated with functions in discarded link-once
|
only remove those associated with functions in discarded link-once
|
sections, or weakly defined functions that have been overridden. It
|
sections, or weakly defined functions that have been overridden. It
|
would be possible to remove many more entries for statically linked
|
would be possible to remove many more entries for statically linked
|
applications. */
|
applications. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info,
|
ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info,
|
bfd_boolean non_overlapping)
|
bfd_boolean non_overlapping)
|
{
|
{
|
bfd *ibfd;
|
bfd *ibfd;
|
bfd_boolean some_edited = FALSE;
|
bfd_boolean some_edited = FALSE;
|
asection *need_pad = NULL;
|
asection *need_pad = NULL;
|
|
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
asection *sec;
|
asection *sec;
|
Elf_Internal_Rela *relstart, *rel, *relend;
|
Elf_Internal_Rela *relstart, *rel, *relend;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Sym *local_syms;
|
Elf_Internal_Sym *local_syms;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
bfd_vma offset;
|
bfd_vma offset;
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
bfd_boolean need_edit, add_aux_fields;
|
bfd_boolean need_edit, add_aux_fields;
|
bfd_size_type cnt_16b = 0;
|
bfd_size_type cnt_16b = 0;
|
|
|
sec = bfd_get_section_by_name (ibfd, ".opd");
|
sec = bfd_get_section_by_name (ibfd, ".opd");
|
if (sec == NULL || sec->size == 0)
|
if (sec == NULL || sec->size == 0)
|
continue;
|
continue;
|
|
|
if (sec->sec_info_type == ELF_INFO_TYPE_JUST_SYMS)
|
if (sec->sec_info_type == ELF_INFO_TYPE_JUST_SYMS)
|
continue;
|
continue;
|
|
|
if (sec->output_section == bfd_abs_section_ptr)
|
if (sec->output_section == bfd_abs_section_ptr)
|
continue;
|
continue;
|
|
|
/* Look through the section relocs. */
|
/* Look through the section relocs. */
|
if ((sec->flags & SEC_RELOC) == 0 || sec->reloc_count == 0)
|
if ((sec->flags & SEC_RELOC) == 0 || sec->reloc_count == 0)
|
continue;
|
continue;
|
|
|
local_syms = NULL;
|
local_syms = NULL;
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
sym_hashes = elf_sym_hashes (ibfd);
|
sym_hashes = elf_sym_hashes (ibfd);
|
|
|
/* Read the relocations. */
|
/* Read the relocations. */
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
info->keep_memory);
|
info->keep_memory);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
/* First run through the relocs to check they are sane, and to
|
/* First run through the relocs to check they are sane, and to
|
determine whether we need to edit this opd section. */
|
determine whether we need to edit this opd section. */
|
need_edit = FALSE;
|
need_edit = FALSE;
|
need_pad = sec;
|
need_pad = sec;
|
offset = 0;
|
offset = 0;
|
relend = relstart + sec->reloc_count;
|
relend = relstart + sec->reloc_count;
|
for (rel = relstart; rel < relend; )
|
for (rel = relstart; rel < relend; )
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
|
|
/* .opd contains a regular array of 16 or 24 byte entries. We're
|
/* .opd contains a regular array of 16 or 24 byte entries. We're
|
only interested in the reloc pointing to a function entry
|
only interested in the reloc pointing to a function entry
|
point. */
|
point. */
|
if (rel->r_offset != offset
|
if (rel->r_offset != offset
|
|| rel + 1 >= relend
|
|| rel + 1 >= relend
|
|| (rel + 1)->r_offset != offset + 8)
|
|| (rel + 1)->r_offset != offset + 8)
|
{
|
{
|
/* If someone messes with .opd alignment then after a
|
/* If someone messes with .opd alignment then after a
|
"ld -r" we might have padding in the middle of .opd.
|
"ld -r" we might have padding in the middle of .opd.
|
Also, there's nothing to prevent someone putting
|
Also, there's nothing to prevent someone putting
|
something silly in .opd with the assembler. No .opd
|
something silly in .opd with the assembler. No .opd
|
optimization for them! */
|
optimization for them! */
|
broken_opd:
|
broken_opd:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: .opd is not a regular array of opd entries"), ibfd);
|
(_("%B: .opd is not a regular array of opd entries"), ibfd);
|
need_edit = FALSE;
|
need_edit = FALSE;
|
break;
|
break;
|
}
|
}
|
|
|
if ((r_type = ELF64_R_TYPE (rel->r_info)) != R_PPC64_ADDR64
|
if ((r_type = ELF64_R_TYPE (rel->r_info)) != R_PPC64_ADDR64
|
|| (r_type = ELF64_R_TYPE ((rel + 1)->r_info)) != R_PPC64_TOC)
|
|| (r_type = ELF64_R_TYPE ((rel + 1)->r_info)) != R_PPC64_TOC)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: unexpected reloc type %u in .opd section"),
|
(_("%B: unexpected reloc type %u in .opd section"),
|
ibfd, r_type);
|
ibfd, r_type);
|
need_edit = FALSE;
|
need_edit = FALSE;
|
break;
|
break;
|
}
|
}
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
r_symndx, ibfd))
|
r_symndx, ibfd))
|
goto error_ret;
|
goto error_ret;
|
|
|
if (sym_sec == NULL || sym_sec->owner == NULL)
|
if (sym_sec == NULL || sym_sec->owner == NULL)
|
{
|
{
|
const char *sym_name;
|
const char *sym_name;
|
if (h != NULL)
|
if (h != NULL)
|
sym_name = h->root.root.string;
|
sym_name = h->root.root.string;
|
else
|
else
|
sym_name = bfd_elf_sym_name (ibfd, symtab_hdr, sym,
|
sym_name = bfd_elf_sym_name (ibfd, symtab_hdr, sym,
|
sym_sec);
|
sym_sec);
|
|
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: undefined sym `%s' in .opd section"),
|
(_("%B: undefined sym `%s' in .opd section"),
|
ibfd, sym_name);
|
ibfd, sym_name);
|
need_edit = FALSE;
|
need_edit = FALSE;
|
break;
|
break;
|
}
|
}
|
|
|
/* opd entries are always for functions defined in the
|
/* opd entries are always for functions defined in the
|
current input bfd. If the symbol isn't defined in the
|
current input bfd. If the symbol isn't defined in the
|
input bfd, then we won't be using the function in this
|
input bfd, then we won't be using the function in this
|
bfd; It must be defined in a linkonce section in another
|
bfd; It must be defined in a linkonce section in another
|
bfd, or is weak. It's also possible that we are
|
bfd, or is weak. It's also possible that we are
|
discarding the function due to a linker script /DISCARD/,
|
discarding the function due to a linker script /DISCARD/,
|
which we test for via the output_section. */
|
which we test for via the output_section. */
|
if (sym_sec->owner != ibfd
|
if (sym_sec->owner != ibfd
|
|| sym_sec->output_section == bfd_abs_section_ptr)
|
|| sym_sec->output_section == bfd_abs_section_ptr)
|
need_edit = TRUE;
|
need_edit = TRUE;
|
|
|
rel += 2;
|
rel += 2;
|
if (rel == relend
|
if (rel == relend
|
|| (rel + 1 == relend && rel->r_offset == offset + 16))
|
|| (rel + 1 == relend && rel->r_offset == offset + 16))
|
{
|
{
|
if (sec->size == offset + 24)
|
if (sec->size == offset + 24)
|
{
|
{
|
need_pad = NULL;
|
need_pad = NULL;
|
break;
|
break;
|
}
|
}
|
if (rel == relend && sec->size == offset + 16)
|
if (rel == relend && sec->size == offset + 16)
|
{
|
{
|
cnt_16b++;
|
cnt_16b++;
|
break;
|
break;
|
}
|
}
|
goto broken_opd;
|
goto broken_opd;
|
}
|
}
|
|
|
if (rel->r_offset == offset + 24)
|
if (rel->r_offset == offset + 24)
|
offset += 24;
|
offset += 24;
|
else if (rel->r_offset != offset + 16)
|
else if (rel->r_offset != offset + 16)
|
goto broken_opd;
|
goto broken_opd;
|
else if (rel + 1 < relend
|
else if (rel + 1 < relend
|
&& ELF64_R_TYPE (rel[0].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[0].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[1].r_info) == R_PPC64_TOC)
|
&& ELF64_R_TYPE (rel[1].r_info) == R_PPC64_TOC)
|
{
|
{
|
offset += 16;
|
offset += 16;
|
cnt_16b++;
|
cnt_16b++;
|
}
|
}
|
else if (rel + 2 < relend
|
else if (rel + 2 < relend
|
&& ELF64_R_TYPE (rel[1].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[1].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[2].r_info) == R_PPC64_TOC)
|
&& ELF64_R_TYPE (rel[2].r_info) == R_PPC64_TOC)
|
{
|
{
|
offset += 24;
|
offset += 24;
|
rel += 1;
|
rel += 1;
|
}
|
}
|
else
|
else
|
goto broken_opd;
|
goto broken_opd;
|
}
|
}
|
|
|
add_aux_fields = non_overlapping && cnt_16b > 0;
|
add_aux_fields = non_overlapping && cnt_16b > 0;
|
|
|
if (need_edit || add_aux_fields)
|
if (need_edit || add_aux_fields)
|
{
|
{
|
Elf_Internal_Rela *write_rel;
|
Elf_Internal_Rela *write_rel;
|
bfd_byte *rptr, *wptr;
|
bfd_byte *rptr, *wptr;
|
bfd_byte *new_contents = NULL;
|
bfd_byte *new_contents = NULL;
|
bfd_boolean skip;
|
bfd_boolean skip;
|
long opd_ent_size;
|
long opd_ent_size;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
amt = sec->size * sizeof (long) / 8;
|
amt = sec->size * sizeof (long) / 8;
|
opd = &ppc64_elf_section_data (sec)->u.opd;
|
opd = &ppc64_elf_section_data (sec)->u.opd;
|
opd->adjust = bfd_zalloc (obfd, amt);
|
opd->adjust = bfd_zalloc (obfd, amt);
|
if (opd->adjust == NULL)
|
if (opd->adjust == NULL)
|
return FALSE;
|
return FALSE;
|
ppc64_elf_section_data (sec)->sec_type = sec_opd;
|
ppc64_elf_section_data (sec)->sec_type = sec_opd;
|
|
|
/* This seems a waste of time as input .opd sections are all
|
/* This seems a waste of time as input .opd sections are all
|
zeros as generated by gcc, but I suppose there's no reason
|
zeros as generated by gcc, but I suppose there's no reason
|
this will always be so. We might start putting something in
|
this will always be so. We might start putting something in
|
the third word of .opd entries. */
|
the third word of .opd entries. */
|
if ((sec->flags & SEC_IN_MEMORY) == 0)
|
if ((sec->flags & SEC_IN_MEMORY) == 0)
|
{
|
{
|
bfd_byte *loc;
|
bfd_byte *loc;
|
if (!bfd_malloc_and_get_section (ibfd, sec, &loc))
|
if (!bfd_malloc_and_get_section (ibfd, sec, &loc))
|
{
|
{
|
if (loc != NULL)
|
if (loc != NULL)
|
free (loc);
|
free (loc);
|
error_ret:
|
error_ret:
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
free (local_syms);
|
free (local_syms);
|
if (elf_section_data (sec)->relocs != relstart)
|
if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
sec->contents = loc;
|
sec->contents = loc;
|
sec->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
|
sec->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
|
}
|
}
|
|
|
elf_section_data (sec)->relocs = relstart;
|
elf_section_data (sec)->relocs = relstart;
|
|
|
new_contents = sec->contents;
|
new_contents = sec->contents;
|
if (add_aux_fields)
|
if (add_aux_fields)
|
{
|
{
|
new_contents = bfd_malloc (sec->size + cnt_16b * 8);
|
new_contents = bfd_malloc (sec->size + cnt_16b * 8);
|
if (new_contents == NULL)
|
if (new_contents == NULL)
|
return FALSE;
|
return FALSE;
|
need_pad = FALSE;
|
need_pad = FALSE;
|
}
|
}
|
wptr = new_contents;
|
wptr = new_contents;
|
rptr = sec->contents;
|
rptr = sec->contents;
|
|
|
write_rel = relstart;
|
write_rel = relstart;
|
skip = FALSE;
|
skip = FALSE;
|
offset = 0;
|
offset = 0;
|
opd_ent_size = 0;
|
opd_ent_size = 0;
|
for (rel = relstart; rel < relend; rel++)
|
for (rel = relstart; rel < relend; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
r_symndx, ibfd))
|
r_symndx, ibfd))
|
goto error_ret;
|
goto error_ret;
|
|
|
if (rel->r_offset == offset)
|
if (rel->r_offset == offset)
|
{
|
{
|
struct ppc_link_hash_entry *fdh = NULL;
|
struct ppc_link_hash_entry *fdh = NULL;
|
|
|
/* See if the .opd entry is full 24 byte or
|
/* See if the .opd entry is full 24 byte or
|
16 byte (with fd_aux entry overlapped with next
|
16 byte (with fd_aux entry overlapped with next
|
fd_func). */
|
fd_func). */
|
opd_ent_size = 24;
|
opd_ent_size = 24;
|
if ((rel + 2 == relend && sec->size == offset + 16)
|
if ((rel + 2 == relend && sec->size == offset + 16)
|
|| (rel + 3 < relend
|
|| (rel + 3 < relend
|
&& rel[2].r_offset == offset + 16
|
&& rel[2].r_offset == offset + 16
|
&& rel[3].r_offset == offset + 24
|
&& rel[3].r_offset == offset + 24
|
&& ELF64_R_TYPE (rel[2].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[2].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[3].r_info) == R_PPC64_TOC))
|
&& ELF64_R_TYPE (rel[3].r_info) == R_PPC64_TOC))
|
opd_ent_size = 16;
|
opd_ent_size = 16;
|
|
|
if (h != NULL
|
if (h != NULL
|
&& h->root.root.string[0] == '.')
|
&& h->root.root.string[0] == '.')
|
{
|
{
|
fdh = get_fdh ((struct ppc_link_hash_entry *) h,
|
fdh = get_fdh ((struct ppc_link_hash_entry *) h,
|
ppc_hash_table (info));
|
ppc_hash_table (info));
|
if (fdh != NULL
|
if (fdh != NULL
|
&& fdh->elf.root.type != bfd_link_hash_defined
|
&& fdh->elf.root.type != bfd_link_hash_defined
|
&& fdh->elf.root.type != bfd_link_hash_defweak)
|
&& fdh->elf.root.type != bfd_link_hash_defweak)
|
fdh = NULL;
|
fdh = NULL;
|
}
|
}
|
|
|
skip = (sym_sec->owner != ibfd
|
skip = (sym_sec->owner != ibfd
|
|| sym_sec->output_section == bfd_abs_section_ptr);
|
|| sym_sec->output_section == bfd_abs_section_ptr);
|
if (skip)
|
if (skip)
|
{
|
{
|
if (fdh != NULL && sym_sec->owner == ibfd)
|
if (fdh != NULL && sym_sec->owner == ibfd)
|
{
|
{
|
/* Arrange for the function descriptor sym
|
/* Arrange for the function descriptor sym
|
to be dropped. */
|
to be dropped. */
|
fdh->elf.root.u.def.value = 0;
|
fdh->elf.root.u.def.value = 0;
|
fdh->elf.root.u.def.section = sym_sec;
|
fdh->elf.root.u.def.section = sym_sec;
|
}
|
}
|
opd->adjust[rel->r_offset / 8] = -1;
|
opd->adjust[rel->r_offset / 8] = -1;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We'll be keeping this opd entry. */
|
/* We'll be keeping this opd entry. */
|
|
|
if (fdh != NULL)
|
if (fdh != NULL)
|
{
|
{
|
/* Redefine the function descriptor symbol to
|
/* Redefine the function descriptor symbol to
|
this location in the opd section. It is
|
this location in the opd section. It is
|
necessary to update the value here rather
|
necessary to update the value here rather
|
than using an array of adjustments as we do
|
than using an array of adjustments as we do
|
for local symbols, because various places
|
for local symbols, because various places
|
in the generic ELF code use the value
|
in the generic ELF code use the value
|
stored in u.def.value. */
|
stored in u.def.value. */
|
fdh->elf.root.u.def.value = wptr - new_contents;
|
fdh->elf.root.u.def.value = wptr - new_contents;
|
fdh->adjust_done = 1;
|
fdh->adjust_done = 1;
|
}
|
}
|
|
|
/* Local syms are a bit tricky. We could
|
/* Local syms are a bit tricky. We could
|
tweak them as they can be cached, but
|
tweak them as they can be cached, but
|
we'd need to look through the local syms
|
we'd need to look through the local syms
|
for the function descriptor sym which we
|
for the function descriptor sym which we
|
don't have at the moment. So keep an
|
don't have at the moment. So keep an
|
array of adjustments. */
|
array of adjustments. */
|
opd->adjust[rel->r_offset / 8]
|
opd->adjust[rel->r_offset / 8]
|
= (wptr - new_contents) - (rptr - sec->contents);
|
= (wptr - new_contents) - (rptr - sec->contents);
|
|
|
if (wptr != rptr)
|
if (wptr != rptr)
|
memcpy (wptr, rptr, opd_ent_size);
|
memcpy (wptr, rptr, opd_ent_size);
|
wptr += opd_ent_size;
|
wptr += opd_ent_size;
|
if (add_aux_fields && opd_ent_size == 16)
|
if (add_aux_fields && opd_ent_size == 16)
|
{
|
{
|
memset (wptr, '\0', 8);
|
memset (wptr, '\0', 8);
|
wptr += 8;
|
wptr += 8;
|
}
|
}
|
}
|
}
|
rptr += opd_ent_size;
|
rptr += opd_ent_size;
|
offset += opd_ent_size;
|
offset += opd_ent_size;
|
}
|
}
|
|
|
if (skip)
|
if (skip)
|
{
|
{
|
if (!NO_OPD_RELOCS
|
if (!NO_OPD_RELOCS
|
&& !info->relocatable
|
&& !info->relocatable
|
&& !dec_dynrel_count (rel->r_info, sec, info,
|
&& !dec_dynrel_count (rel->r_info, sec, info,
|
NULL, h, sym_sec))
|
NULL, h, sym_sec))
|
goto error_ret;
|
goto error_ret;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We need to adjust any reloc offsets to point to the
|
/* We need to adjust any reloc offsets to point to the
|
new opd entries. While we're at it, we may as well
|
new opd entries. While we're at it, we may as well
|
remove redundant relocs. */
|
remove redundant relocs. */
|
rel->r_offset += opd->adjust[(offset - opd_ent_size) / 8];
|
rel->r_offset += opd->adjust[(offset - opd_ent_size) / 8];
|
if (write_rel != rel)
|
if (write_rel != rel)
|
memcpy (write_rel, rel, sizeof (*rel));
|
memcpy (write_rel, rel, sizeof (*rel));
|
++write_rel;
|
++write_rel;
|
}
|
}
|
}
|
}
|
|
|
sec->size = wptr - new_contents;
|
sec->size = wptr - new_contents;
|
sec->reloc_count = write_rel - relstart;
|
sec->reloc_count = write_rel - relstart;
|
if (add_aux_fields)
|
if (add_aux_fields)
|
{
|
{
|
free (sec->contents);
|
free (sec->contents);
|
sec->contents = new_contents;
|
sec->contents = new_contents;
|
}
|
}
|
|
|
/* Fudge the header size too, as this is used later in
|
/* Fudge the header size too, as this is used later in
|
elf_bfd_final_link if we are emitting relocs. */
|
elf_bfd_final_link if we are emitting relocs. */
|
elf_section_data (sec)->rel_hdr.sh_size
|
elf_section_data (sec)->rel_hdr.sh_size
|
= sec->reloc_count * elf_section_data (sec)->rel_hdr.sh_entsize;
|
= sec->reloc_count * elf_section_data (sec)->rel_hdr.sh_entsize;
|
BFD_ASSERT (elf_section_data (sec)->rel_hdr2 == NULL);
|
BFD_ASSERT (elf_section_data (sec)->rel_hdr2 == NULL);
|
some_edited = TRUE;
|
some_edited = TRUE;
|
}
|
}
|
else if (elf_section_data (sec)->relocs != relstart)
|
else if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
|
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
{
|
{
|
if (!info->keep_memory)
|
if (!info->keep_memory)
|
free (local_syms);
|
free (local_syms);
|
else
|
else
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
}
|
}
|
}
|
}
|
|
|
if (some_edited)
|
if (some_edited)
|
elf_link_hash_traverse (elf_hash_table (info), adjust_opd_syms, NULL);
|
elf_link_hash_traverse (elf_hash_table (info), adjust_opd_syms, NULL);
|
|
|
/* If we are doing a final link and the last .opd entry is just 16 byte
|
/* If we are doing a final link and the last .opd entry is just 16 byte
|
long, add a 8 byte padding after it. */
|
long, add a 8 byte padding after it. */
|
if (need_pad != NULL && !info->relocatable)
|
if (need_pad != NULL && !info->relocatable)
|
{
|
{
|
bfd_byte *p;
|
bfd_byte *p;
|
|
|
if ((need_pad->flags & SEC_IN_MEMORY) == 0)
|
if ((need_pad->flags & SEC_IN_MEMORY) == 0)
|
{
|
{
|
BFD_ASSERT (need_pad->size > 0);
|
BFD_ASSERT (need_pad->size > 0);
|
|
|
p = bfd_malloc (need_pad->size + 8);
|
p = bfd_malloc (need_pad->size + 8);
|
if (p == NULL)
|
if (p == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (! bfd_get_section_contents (need_pad->owner, need_pad,
|
if (! bfd_get_section_contents (need_pad->owner, need_pad,
|
p, 0, need_pad->size))
|
p, 0, need_pad->size))
|
return FALSE;
|
return FALSE;
|
|
|
need_pad->contents = p;
|
need_pad->contents = p;
|
need_pad->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
|
need_pad->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
|
}
|
}
|
else
|
else
|
{
|
{
|
p = bfd_realloc (need_pad->contents, need_pad->size + 8);
|
p = bfd_realloc (need_pad->contents, need_pad->size + 8);
|
if (p == NULL)
|
if (p == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
need_pad->contents = p;
|
need_pad->contents = p;
|
}
|
}
|
|
|
memset (need_pad->contents + need_pad->size, 0, 8);
|
memset (need_pad->contents + need_pad->size, 0, 8);
|
need_pad->size += 8;
|
need_pad->size += 8;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set htab->tls_get_addr and call the generic ELF tls_setup function. */
|
/* Set htab->tls_get_addr and call the generic ELF tls_setup function. */
|
|
|
asection *
|
asection *
|
ppc64_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
|
ppc64_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
if (htab->tls_get_addr != NULL)
|
if (htab->tls_get_addr != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *h = htab->tls_get_addr;
|
struct ppc_link_hash_entry *h = htab->tls_get_addr;
|
|
|
while (h->elf.root.type == bfd_link_hash_indirect
|
while (h->elf.root.type == bfd_link_hash_indirect
|
|| h->elf.root.type == bfd_link_hash_warning)
|
|| h->elf.root.type == bfd_link_hash_warning)
|
h = (struct ppc_link_hash_entry *) h->elf.root.u.i.link;
|
h = (struct ppc_link_hash_entry *) h->elf.root.u.i.link;
|
|
|
htab->tls_get_addr = h;
|
htab->tls_get_addr = h;
|
|
|
if (htab->tls_get_addr_fd == NULL
|
if (htab->tls_get_addr_fd == NULL
|
&& h->oh != NULL
|
&& h->oh != NULL
|
&& h->oh->is_func_descriptor
|
&& h->oh->is_func_descriptor
|
&& (h->oh->elf.root.type == bfd_link_hash_defined
|
&& (h->oh->elf.root.type == bfd_link_hash_defined
|
|| h->oh->elf.root.type == bfd_link_hash_defweak))
|
|| h->oh->elf.root.type == bfd_link_hash_defweak))
|
htab->tls_get_addr_fd = h->oh;
|
htab->tls_get_addr_fd = h->oh;
|
}
|
}
|
|
|
if (htab->tls_get_addr_fd != NULL)
|
if (htab->tls_get_addr_fd != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *h = htab->tls_get_addr_fd;
|
struct ppc_link_hash_entry *h = htab->tls_get_addr_fd;
|
|
|
while (h->elf.root.type == bfd_link_hash_indirect
|
while (h->elf.root.type == bfd_link_hash_indirect
|
|| h->elf.root.type == bfd_link_hash_warning)
|
|| h->elf.root.type == bfd_link_hash_warning)
|
h = (struct ppc_link_hash_entry *) h->elf.root.u.i.link;
|
h = (struct ppc_link_hash_entry *) h->elf.root.u.i.link;
|
|
|
htab->tls_get_addr_fd = h;
|
htab->tls_get_addr_fd = h;
|
}
|
}
|
|
|
return _bfd_elf_tls_setup (obfd, info);
|
return _bfd_elf_tls_setup (obfd, info);
|
}
|
}
|
|
|
/* Run through all the TLS relocs looking for optimization
|
/* Run through all the TLS relocs looking for optimization
|
opportunities. The linker has been hacked (see ppc64elf.em) to do
|
opportunities. The linker has been hacked (see ppc64elf.em) to do
|
a preliminary section layout so that we know the TLS segment
|
a preliminary section layout so that we know the TLS segment
|
offsets. We can't optimize earlier because some optimizations need
|
offsets. We can't optimize earlier because some optimizations need
|
to know the tp offset, and we need to optimize before allocating
|
to know the tp offset, and we need to optimize before allocating
|
dynamic relocations. */
|
dynamic relocations. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
|
ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
|
{
|
{
|
bfd *ibfd;
|
bfd *ibfd;
|
asection *sec;
|
asection *sec;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
int pass;
|
int pass;
|
|
|
if (info->relocatable || info->shared)
|
if (info->relocatable || info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
Elf_Internal_Sym *locsyms = NULL;
|
Elf_Internal_Sym *locsyms = NULL;
|
asection *toc = bfd_get_section_by_name (ibfd, ".toc");
|
asection *toc = bfd_get_section_by_name (ibfd, ".toc");
|
unsigned char *toc_ref = NULL;
|
unsigned char *toc_ref = NULL;
|
|
|
/* Look at all the sections for this file. Make two passes over
|
/* Look at all the sections for this file. Make two passes over
|
the relocs. On the first pass, mark toc entries involved
|
the relocs. On the first pass, mark toc entries involved
|
with tls relocs, and check that tls relocs involved in
|
with tls relocs, and check that tls relocs involved in
|
setting up a tls_get_addr call are indeed followed by such a
|
setting up a tls_get_addr call are indeed followed by such a
|
call. If they are not, exclude them from the optimizations
|
call. If they are not, exclude them from the optimizations
|
done on the second pass. */
|
done on the second pass. */
|
for (pass = 0; pass < 2; ++pass)
|
for (pass = 0; pass < 2; ++pass)
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
|
if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
|
{
|
{
|
Elf_Internal_Rela *relstart, *rel, *relend;
|
Elf_Internal_Rela *relstart, *rel, *relend;
|
|
|
/* Read the relocations. */
|
/* Read the relocations. */
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
info->keep_memory);
|
info->keep_memory);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
relend = relstart + sec->reloc_count;
|
relend = relstart + sec->reloc_count;
|
for (rel = relstart; rel < relend; rel++)
|
for (rel = relstart; rel < relend; rel++)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sym_sec;
|
asection *sym_sec;
|
char *tls_mask;
|
char *tls_mask;
|
char tls_set, tls_clear, tls_type = 0;
|
char tls_set, tls_clear, tls_type = 0;
|
bfd_vma value;
|
bfd_vma value;
|
bfd_boolean ok_tprel, is_local;
|
bfd_boolean ok_tprel, is_local;
|
long toc_ref_index = 0;
|
long toc_ref_index = 0;
|
int expecting_tls_get_addr = 0;
|
int expecting_tls_get_addr = 0;
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, &tls_mask, &locsyms,
|
if (!get_sym_h (&h, &sym, &sym_sec, &tls_mask, &locsyms,
|
r_symndx, ibfd))
|
r_symndx, ibfd))
|
{
|
{
|
err_free_rel:
|
err_free_rel:
|
if (elf_section_data (sec)->relocs != relstart)
|
if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
if (toc_ref != NULL)
|
if (toc_ref != NULL)
|
free (toc_ref);
|
free (toc_ref);
|
if (locsyms != NULL
|
if (locsyms != NULL
|
&& (elf_symtab_hdr (ibfd).contents
|
&& (elf_symtab_hdr (ibfd).contents
|
!= (unsigned char *) locsyms))
|
!= (unsigned char *) locsyms))
|
free (locsyms);
|
free (locsyms);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
if (h->root.type != bfd_link_hash_defined
|
if (h->root.type != bfd_link_hash_defined
|
&& h->root.type != bfd_link_hash_defweak)
|
&& h->root.type != bfd_link_hash_defweak)
|
continue;
|
continue;
|
value = h->root.u.def.value;
|
value = h->root.u.def.value;
|
}
|
}
|
else
|
else
|
/* Symbols referenced by TLS relocs must be of type
|
/* Symbols referenced by TLS relocs must be of type
|
STT_TLS. So no need for .opd local sym adjust. */
|
STT_TLS. So no need for .opd local sym adjust. */
|
value = sym->st_value;
|
value = sym->st_value;
|
|
|
ok_tprel = FALSE;
|
ok_tprel = FALSE;
|
is_local = FALSE;
|
is_local = FALSE;
|
if (h == NULL
|
if (h == NULL
|
|| !h->def_dynamic)
|
|| !h->def_dynamic)
|
{
|
{
|
is_local = TRUE;
|
is_local = TRUE;
|
value += sym_sec->output_offset;
|
value += sym_sec->output_offset;
|
value += sym_sec->output_section->vma;
|
value += sym_sec->output_section->vma;
|
value -= htab->elf.tls_sec->vma;
|
value -= htab->elf.tls_sec->vma;
|
ok_tprel = (value + TP_OFFSET + ((bfd_vma) 1 << 31)
|
ok_tprel = (value + TP_OFFSET + ((bfd_vma) 1 << 31)
|
< (bfd_vma) 1 << 32);
|
< (bfd_vma) 1 << 32);
|
}
|
}
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_LO:
|
expecting_tls_get_addr = 1;
|
expecting_tls_get_addr = 1;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
/* These relocs should never be against a symbol
|
/* These relocs should never be against a symbol
|
defined in a shared lib. Leave them alone if
|
defined in a shared lib. Leave them alone if
|
that turns out to be the case. */
|
that turns out to be the case. */
|
if (!is_local)
|
if (!is_local)
|
continue;
|
continue;
|
|
|
/* LD -> LE */
|
/* LD -> LE */
|
tls_set = 0;
|
tls_set = 0;
|
tls_clear = TLS_LD;
|
tls_clear = TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_LO:
|
expecting_tls_get_addr = 1;
|
expecting_tls_get_addr = 1;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
if (ok_tprel)
|
if (ok_tprel)
|
/* GD -> LE */
|
/* GD -> LE */
|
tls_set = 0;
|
tls_set = 0;
|
else
|
else
|
/* GD -> IE */
|
/* GD -> IE */
|
tls_set = TLS_TLS | TLS_TPRELGD;
|
tls_set = TLS_TLS | TLS_TPRELGD;
|
tls_clear = TLS_GD;
|
tls_clear = TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HA:
|
case R_PPC64_GOT_TPREL16_HA:
|
if (ok_tprel)
|
if (ok_tprel)
|
{
|
{
|
/* IE -> LE */
|
/* IE -> LE */
|
tls_set = 0;
|
tls_set = 0;
|
tls_clear = TLS_TPREL;
|
tls_clear = TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
break;
|
break;
|
}
|
}
|
continue;
|
continue;
|
|
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TLS:
|
case R_PPC64_TLS:
|
if (sym_sec == NULL || sym_sec != toc)
|
if (sym_sec == NULL || sym_sec != toc)
|
continue;
|
continue;
|
|
|
/* Mark this toc entry as referenced by a TLS
|
/* Mark this toc entry as referenced by a TLS
|
code sequence. We can do that now in the
|
code sequence. We can do that now in the
|
case of R_PPC64_TLS, and after checking for
|
case of R_PPC64_TLS, and after checking for
|
tls_get_addr for the TOC16 relocs. */
|
tls_get_addr for the TOC16 relocs. */
|
if (toc_ref == NULL)
|
if (toc_ref == NULL)
|
{
|
{
|
toc_ref = bfd_zmalloc (toc->size / 8);
|
toc_ref = bfd_zmalloc (toc->size / 8);
|
if (toc_ref == NULL)
|
if (toc_ref == NULL)
|
goto err_free_rel;
|
goto err_free_rel;
|
}
|
}
|
if (h != NULL)
|
if (h != NULL)
|
value = h->root.u.def.value;
|
value = h->root.u.def.value;
|
else
|
else
|
value = sym->st_value;
|
value = sym->st_value;
|
value += rel->r_addend;
|
value += rel->r_addend;
|
BFD_ASSERT (value < toc->size && value % 8 == 0);
|
BFD_ASSERT (value < toc->size && value % 8 == 0);
|
toc_ref_index = value / 8;
|
toc_ref_index = value / 8;
|
if (r_type == R_PPC64_TLS)
|
if (r_type == R_PPC64_TLS)
|
{
|
{
|
toc_ref[toc_ref_index] = 1;
|
toc_ref[toc_ref_index] = 1;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (pass != 0 && toc_ref[toc_ref_index] == 0)
|
if (pass != 0 && toc_ref[toc_ref_index] == 0)
|
continue;
|
continue;
|
|
|
tls_set = 0;
|
tls_set = 0;
|
tls_clear = 0;
|
tls_clear = 0;
|
expecting_tls_get_addr = 2;
|
expecting_tls_get_addr = 2;
|
break;
|
break;
|
|
|
case R_PPC64_TPREL64:
|
case R_PPC64_TPREL64:
|
if (pass == 0
|
if (pass == 0
|
|| sec != toc
|
|| sec != toc
|
|| toc_ref == NULL
|
|| toc_ref == NULL
|
|| !toc_ref[rel->r_offset / 8])
|
|| !toc_ref[rel->r_offset / 8])
|
continue;
|
continue;
|
if (ok_tprel)
|
if (ok_tprel)
|
{
|
{
|
/* IE -> LE */
|
/* IE -> LE */
|
tls_set = TLS_EXPLICIT;
|
tls_set = TLS_EXPLICIT;
|
tls_clear = TLS_TPREL;
|
tls_clear = TLS_TPREL;
|
break;
|
break;
|
}
|
}
|
continue;
|
continue;
|
|
|
case R_PPC64_DTPMOD64:
|
case R_PPC64_DTPMOD64:
|
if (pass == 0
|
if (pass == 0
|
|| sec != toc
|
|| sec != toc
|
|| toc_ref == NULL
|
|| toc_ref == NULL
|
|| !toc_ref[rel->r_offset / 8])
|
|| !toc_ref[rel->r_offset / 8])
|
continue;
|
continue;
|
if (rel + 1 < relend
|
if (rel + 1 < relend
|
&& (rel[1].r_info
|
&& (rel[1].r_info
|
== ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64))
|
== ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64))
|
&& rel[1].r_offset == rel->r_offset + 8)
|
&& rel[1].r_offset == rel->r_offset + 8)
|
{
|
{
|
if (ok_tprel)
|
if (ok_tprel)
|
/* GD -> LE */
|
/* GD -> LE */
|
tls_set = TLS_EXPLICIT | TLS_GD;
|
tls_set = TLS_EXPLICIT | TLS_GD;
|
else
|
else
|
/* GD -> IE */
|
/* GD -> IE */
|
tls_set = TLS_EXPLICIT | TLS_GD | TLS_TPRELGD;
|
tls_set = TLS_EXPLICIT | TLS_GD | TLS_TPRELGD;
|
tls_clear = TLS_GD;
|
tls_clear = TLS_GD;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (!is_local)
|
if (!is_local)
|
continue;
|
continue;
|
|
|
/* LD -> LE */
|
/* LD -> LE */
|
tls_set = TLS_EXPLICIT;
|
tls_set = TLS_EXPLICIT;
|
tls_clear = TLS_LD;
|
tls_clear = TLS_LD;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
continue;
|
continue;
|
}
|
}
|
|
|
if (pass == 0)
|
if (pass == 0)
|
{
|
{
|
if (!expecting_tls_get_addr)
|
if (!expecting_tls_get_addr)
|
continue;
|
continue;
|
|
|
if (rel + 1 < relend)
|
if (rel + 1 < relend)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
enum elf_ppc64_reloc_type r_type2;
|
enum elf_ppc64_reloc_type r_type2;
|
unsigned long r_symndx2;
|
unsigned long r_symndx2;
|
struct elf_link_hash_entry *h2;
|
struct elf_link_hash_entry *h2;
|
|
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
|
|
/* The next instruction should be a call to
|
/* The next instruction should be a call to
|
__tls_get_addr. Peek at the reloc to be sure. */
|
__tls_get_addr. Peek at the reloc to be sure. */
|
r_type2 = ELF64_R_TYPE (rel[1].r_info);
|
r_type2 = ELF64_R_TYPE (rel[1].r_info);
|
r_symndx2 = ELF64_R_SYM (rel[1].r_info);
|
r_symndx2 = ELF64_R_SYM (rel[1].r_info);
|
if (r_symndx2 >= symtab_hdr->sh_info
|
if (r_symndx2 >= symtab_hdr->sh_info
|
&& (r_type2 == R_PPC64_REL14
|
&& (r_type2 == R_PPC64_REL14
|
|| r_type2 == R_PPC64_REL14_BRTAKEN
|
|| r_type2 == R_PPC64_REL14_BRTAKEN
|
|| r_type2 == R_PPC64_REL14_BRNTAKEN
|
|| r_type2 == R_PPC64_REL14_BRNTAKEN
|
|| r_type2 == R_PPC64_REL24))
|
|| r_type2 == R_PPC64_REL24))
|
{
|
{
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
|
|
sym_hashes = elf_sym_hashes (ibfd);
|
sym_hashes = elf_sym_hashes (ibfd);
|
|
|
h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info];
|
h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info];
|
while (h2->root.type == bfd_link_hash_indirect
|
while (h2->root.type == bfd_link_hash_indirect
|
|| h2->root.type == bfd_link_hash_warning)
|
|| h2->root.type == bfd_link_hash_warning)
|
h2 = ((struct elf_link_hash_entry *)
|
h2 = ((struct elf_link_hash_entry *)
|
h2->root.u.i.link);
|
h2->root.u.i.link);
|
if (h2 != NULL
|
if (h2 != NULL
|
&& (h2 == &htab->tls_get_addr->elf
|
&& (h2 == &htab->tls_get_addr->elf
|
|| h2 == &htab->tls_get_addr_fd->elf))
|
|| h2 == &htab->tls_get_addr_fd->elf))
|
{
|
{
|
if (expecting_tls_get_addr == 2)
|
if (expecting_tls_get_addr == 2)
|
{
|
{
|
/* Check for toc tls entries. */
|
/* Check for toc tls entries. */
|
char *toc_tls;
|
char *toc_tls;
|
int retval;
|
int retval;
|
|
|
retval = get_tls_mask (&toc_tls, NULL,
|
retval = get_tls_mask (&toc_tls, NULL,
|
&locsyms,
|
&locsyms,
|
rel, ibfd);
|
rel, ibfd);
|
if (retval == 0)
|
if (retval == 0)
|
goto err_free_rel;
|
goto err_free_rel;
|
if (retval > 1 && toc_tls != NULL)
|
if (retval > 1 && toc_tls != NULL)
|
toc_ref[toc_ref_index] = 1;
|
toc_ref[toc_ref_index] = 1;
|
}
|
}
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (expecting_tls_get_addr != 1)
|
if (expecting_tls_get_addr != 1)
|
continue;
|
continue;
|
|
|
/* Uh oh, we didn't find the expected call. We
|
/* Uh oh, we didn't find the expected call. We
|
could just mark this symbol to exclude it
|
could just mark this symbol to exclude it
|
from tls optimization but it's safer to skip
|
from tls optimization but it's safer to skip
|
the entire section. */
|
the entire section. */
|
sec->has_tls_reloc = 0;
|
sec->has_tls_reloc = 0;
|
break;
|
break;
|
}
|
}
|
|
|
if (expecting_tls_get_addr && htab->tls_get_addr != NULL)
|
if (expecting_tls_get_addr && htab->tls_get_addr != NULL)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
for (ent = htab->tls_get_addr->elf.plt.plist;
|
for (ent = htab->tls_get_addr->elf.plt.plist;
|
ent != NULL;
|
ent != NULL;
|
ent = ent->next)
|
ent = ent->next)
|
if (ent->addend == 0)
|
if (ent->addend == 0)
|
{
|
{
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
{
|
{
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
expecting_tls_get_addr = 0;
|
expecting_tls_get_addr = 0;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (expecting_tls_get_addr && htab->tls_get_addr_fd != NULL)
|
if (expecting_tls_get_addr && htab->tls_get_addr_fd != NULL)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
for (ent = htab->tls_get_addr_fd->elf.plt.plist;
|
for (ent = htab->tls_get_addr_fd->elf.plt.plist;
|
ent != NULL;
|
ent != NULL;
|
ent = ent->next)
|
ent = ent->next)
|
if (ent->addend == 0)
|
if (ent->addend == 0)
|
{
|
{
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (tls_clear == 0)
|
if (tls_clear == 0)
|
continue;
|
continue;
|
|
|
if ((tls_set & TLS_EXPLICIT) == 0)
|
if ((tls_set & TLS_EXPLICIT) == 0)
|
{
|
{
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
/* Adjust got entry for this reloc. */
|
/* Adjust got entry for this reloc. */
|
if (h != NULL)
|
if (h != NULL)
|
ent = h->got.glist;
|
ent = h->got.glist;
|
else
|
else
|
ent = elf_local_got_ents (ibfd)[r_symndx];
|
ent = elf_local_got_ents (ibfd)[r_symndx];
|
|
|
for (; ent != NULL; ent = ent->next)
|
for (; ent != NULL; ent = ent->next)
|
if (ent->addend == rel->r_addend
|
if (ent->addend == rel->r_addend
|
&& ent->owner == ibfd
|
&& ent->owner == ibfd
|
&& ent->tls_type == tls_type)
|
&& ent->tls_type == tls_type)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
abort ();
|
abort ();
|
|
|
if (tls_set == 0)
|
if (tls_set == 0)
|
{
|
{
|
/* We managed to get rid of a got entry. */
|
/* We managed to get rid of a got entry. */
|
if (ent->got.refcount > 0)
|
if (ent->got.refcount > 0)
|
ent->got.refcount -= 1;
|
ent->got.refcount -= 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* If we got rid of a DTPMOD/DTPREL reloc pair then
|
/* If we got rid of a DTPMOD/DTPREL reloc pair then
|
we'll lose one or two dyn relocs. */
|
we'll lose one or two dyn relocs. */
|
if (!dec_dynrel_count (rel->r_info, sec, info,
|
if (!dec_dynrel_count (rel->r_info, sec, info,
|
NULL, h, sym_sec))
|
NULL, h, sym_sec))
|
return FALSE;
|
return FALSE;
|
|
|
if (tls_set == (TLS_EXPLICIT | TLS_GD))
|
if (tls_set == (TLS_EXPLICIT | TLS_GD))
|
{
|
{
|
if (!dec_dynrel_count ((rel + 1)->r_info, sec, info,
|
if (!dec_dynrel_count ((rel + 1)->r_info, sec, info,
|
NULL, h, sym_sec))
|
NULL, h, sym_sec))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
*tls_mask |= tls_set;
|
*tls_mask |= tls_set;
|
*tls_mask &= ~tls_clear;
|
*tls_mask &= ~tls_clear;
|
}
|
}
|
|
|
if (elf_section_data (sec)->relocs != relstart)
|
if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
}
|
}
|
|
|
if (toc_ref != NULL)
|
if (toc_ref != NULL)
|
free (toc_ref);
|
free (toc_ref);
|
|
|
if (locsyms != NULL
|
if (locsyms != NULL
|
&& (elf_symtab_hdr (ibfd).contents != (unsigned char *) locsyms))
|
&& (elf_symtab_hdr (ibfd).contents != (unsigned char *) locsyms))
|
{
|
{
|
if (!info->keep_memory)
|
if (!info->keep_memory)
|
free (locsyms);
|
free (locsyms);
|
else
|
else
|
elf_symtab_hdr (ibfd).contents = (unsigned char *) locsyms;
|
elf_symtab_hdr (ibfd).contents = (unsigned char *) locsyms;
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Called via elf_link_hash_traverse from ppc64_elf_edit_toc to adjust
|
/* Called via elf_link_hash_traverse from ppc64_elf_edit_toc to adjust
|
the values of any global symbols in a toc section that has been
|
the values of any global symbols in a toc section that has been
|
edited. Globals in toc sections should be a rarity, so this function
|
edited. Globals in toc sections should be a rarity, so this function
|
sets a flag if any are found in toc sections other than the one just
|
sets a flag if any are found in toc sections other than the one just
|
edited, so that futher hash table traversals can be avoided. */
|
edited, so that futher hash table traversals can be avoided. */
|
|
|
struct adjust_toc_info
|
struct adjust_toc_info
|
{
|
{
|
asection *toc;
|
asection *toc;
|
unsigned long *skip;
|
unsigned long *skip;
|
bfd_boolean global_toc_syms;
|
bfd_boolean global_toc_syms;
|
};
|
};
|
|
|
static bfd_boolean
|
static bfd_boolean
|
adjust_toc_syms (struct elf_link_hash_entry *h, void *inf)
|
adjust_toc_syms (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
struct adjust_toc_info *toc_inf = (struct adjust_toc_info *) inf;
|
struct adjust_toc_info *toc_inf = (struct adjust_toc_info *) inf;
|
|
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
if (h->root.type != bfd_link_hash_defined
|
if (h->root.type != bfd_link_hash_defined
|
&& h->root.type != bfd_link_hash_defweak)
|
&& h->root.type != bfd_link_hash_defweak)
|
return TRUE;
|
return TRUE;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
if (eh->adjust_done)
|
if (eh->adjust_done)
|
return TRUE;
|
return TRUE;
|
|
|
if (eh->elf.root.u.def.section == toc_inf->toc)
|
if (eh->elf.root.u.def.section == toc_inf->toc)
|
{
|
{
|
unsigned long skip = toc_inf->skip[eh->elf.root.u.def.value >> 3];
|
unsigned long skip = toc_inf->skip[eh->elf.root.u.def.value >> 3];
|
if (skip != (unsigned long) -1)
|
if (skip != (unsigned long) -1)
|
eh->elf.root.u.def.value -= skip;
|
eh->elf.root.u.def.value -= skip;
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s defined in removed toc entry"), eh->elf.root.root.string);
|
(_("%s defined in removed toc entry"), eh->elf.root.root.string);
|
eh->elf.root.u.def.section = &bfd_abs_section;
|
eh->elf.root.u.def.section = &bfd_abs_section;
|
eh->elf.root.u.def.value = 0;
|
eh->elf.root.u.def.value = 0;
|
}
|
}
|
eh->adjust_done = 1;
|
eh->adjust_done = 1;
|
}
|
}
|
else if (strcmp (eh->elf.root.u.def.section->name, ".toc") == 0)
|
else if (strcmp (eh->elf.root.u.def.section->name, ".toc") == 0)
|
toc_inf->global_toc_syms = TRUE;
|
toc_inf->global_toc_syms = TRUE;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Examine all relocs referencing .toc sections in order to remove
|
/* Examine all relocs referencing .toc sections in order to remove
|
unused .toc entries. */
|
unused .toc entries. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
|
ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
|
{
|
{
|
bfd *ibfd;
|
bfd *ibfd;
|
struct adjust_toc_info toc_inf;
|
struct adjust_toc_info toc_inf;
|
|
|
toc_inf.global_toc_syms = TRUE;
|
toc_inf.global_toc_syms = TRUE;
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
asection *toc, *sec;
|
asection *toc, *sec;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Sym *local_syms;
|
Elf_Internal_Sym *local_syms;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
Elf_Internal_Rela *relstart, *rel;
|
Elf_Internal_Rela *relstart, *rel;
|
unsigned long *skip, *drop;
|
unsigned long *skip, *drop;
|
unsigned char *used;
|
unsigned char *used;
|
unsigned char *keep, last, some_unused;
|
unsigned char *keep, last, some_unused;
|
|
|
toc = bfd_get_section_by_name (ibfd, ".toc");
|
toc = bfd_get_section_by_name (ibfd, ".toc");
|
if (toc == NULL
|
if (toc == NULL
|
|| toc->size == 0
|
|| toc->size == 0
|
|| toc->sec_info_type == ELF_INFO_TYPE_JUST_SYMS
|
|| toc->sec_info_type == ELF_INFO_TYPE_JUST_SYMS
|
|| elf_discarded_section (toc))
|
|| elf_discarded_section (toc))
|
continue;
|
continue;
|
|
|
local_syms = NULL;
|
local_syms = NULL;
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
sym_hashes = elf_sym_hashes (ibfd);
|
sym_hashes = elf_sym_hashes (ibfd);
|
|
|
/* Look at sections dropped from the final link. */
|
/* Look at sections dropped from the final link. */
|
skip = NULL;
|
skip = NULL;
|
relstart = NULL;
|
relstart = NULL;
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
{
|
{
|
if (sec->reloc_count == 0
|
if (sec->reloc_count == 0
|
|| !elf_discarded_section (sec)
|
|| !elf_discarded_section (sec)
|
|| get_opd_info (sec)
|
|| get_opd_info (sec)
|
|| (sec->flags & SEC_ALLOC) == 0
|
|| (sec->flags & SEC_ALLOC) == 0
|
|| (sec->flags & SEC_DEBUGGING) != 0)
|
|| (sec->flags & SEC_DEBUGGING) != 0)
|
continue;
|
continue;
|
|
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL, FALSE);
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL, FALSE);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
goto error_ret;
|
goto error_ret;
|
|
|
/* Run through the relocs to see which toc entries might be
|
/* Run through the relocs to see which toc entries might be
|
unused. */
|
unused. */
|
for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
|
for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
bfd_vma val;
|
bfd_vma val;
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
continue;
|
continue;
|
|
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
break;
|
break;
|
}
|
}
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
r_symndx, ibfd))
|
r_symndx, ibfd))
|
goto error_ret;
|
goto error_ret;
|
|
|
if (sym_sec != toc)
|
if (sym_sec != toc)
|
continue;
|
continue;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
val = h->root.u.def.value;
|
val = h->root.u.def.value;
|
else
|
else
|
val = sym->st_value;
|
val = sym->st_value;
|
val += rel->r_addend;
|
val += rel->r_addend;
|
|
|
if (val >= toc->size)
|
if (val >= toc->size)
|
continue;
|
continue;
|
|
|
/* Anything in the toc ought to be aligned to 8 bytes.
|
/* Anything in the toc ought to be aligned to 8 bytes.
|
If not, don't mark as unused. */
|
If not, don't mark as unused. */
|
if (val & 7)
|
if (val & 7)
|
continue;
|
continue;
|
|
|
if (skip == NULL)
|
if (skip == NULL)
|
{
|
{
|
skip = bfd_zmalloc (sizeof (*skip) * (toc->size + 7) / 8);
|
skip = bfd_zmalloc (sizeof (*skip) * (toc->size + 7) / 8);
|
if (skip == NULL)
|
if (skip == NULL)
|
goto error_ret;
|
goto error_ret;
|
}
|
}
|
|
|
skip[val >> 3] = 1;
|
skip[val >> 3] = 1;
|
}
|
}
|
|
|
if (elf_section_data (sec)->relocs != relstart)
|
if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
}
|
}
|
|
|
if (skip == NULL)
|
if (skip == NULL)
|
continue;
|
continue;
|
|
|
used = bfd_zmalloc (sizeof (*used) * (toc->size + 7) / 8);
|
used = bfd_zmalloc (sizeof (*used) * (toc->size + 7) / 8);
|
if (used == NULL)
|
if (used == NULL)
|
{
|
{
|
error_ret:
|
error_ret:
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
free (local_syms);
|
free (local_syms);
|
if (sec != NULL
|
if (sec != NULL
|
&& relstart != NULL
|
&& relstart != NULL
|
&& elf_section_data (sec)->relocs != relstart)
|
&& elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
if (skip != NULL)
|
if (skip != NULL)
|
free (skip);
|
free (skip);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Now check all kept sections that might reference the toc.
|
/* Now check all kept sections that might reference the toc.
|
Check the toc itself last. */
|
Check the toc itself last. */
|
for (sec = (ibfd->sections == toc && toc->next ? toc->next
|
for (sec = (ibfd->sections == toc && toc->next ? toc->next
|
: ibfd->sections);
|
: ibfd->sections);
|
sec != NULL;
|
sec != NULL;
|
sec = (sec == toc ? NULL
|
sec = (sec == toc ? NULL
|
: sec->next == NULL ? toc
|
: sec->next == NULL ? toc
|
: sec->next == toc && toc->next ? toc->next
|
: sec->next == toc && toc->next ? toc->next
|
: sec->next))
|
: sec->next))
|
{
|
{
|
int repeat;
|
int repeat;
|
|
|
if (sec->reloc_count == 0
|
if (sec->reloc_count == 0
|
|| elf_discarded_section (sec)
|
|| elf_discarded_section (sec)
|
|| get_opd_info (sec)
|
|| get_opd_info (sec)
|
|| (sec->flags & SEC_ALLOC) == 0
|
|| (sec->flags & SEC_ALLOC) == 0
|
|| (sec->flags & SEC_DEBUGGING) != 0)
|
|| (sec->flags & SEC_DEBUGGING) != 0)
|
continue;
|
continue;
|
|
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL, TRUE);
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL, TRUE);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
goto error_ret;
|
goto error_ret;
|
|
|
/* Mark toc entries referenced as used. */
|
/* Mark toc entries referenced as used. */
|
repeat = 0;
|
repeat = 0;
|
do
|
do
|
for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
|
for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
bfd_vma val;
|
bfd_vma val;
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
/* In case we're taking addresses of toc entries. */
|
/* In case we're taking addresses of toc entries. */
|
case R_PPC64_ADDR64:
|
case R_PPC64_ADDR64:
|
break;
|
break;
|
|
|
default:
|
default:
|
continue;
|
continue;
|
}
|
}
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
r_symndx, ibfd))
|
r_symndx, ibfd))
|
{
|
{
|
free (used);
|
free (used);
|
goto error_ret;
|
goto error_ret;
|
}
|
}
|
|
|
if (sym_sec != toc)
|
if (sym_sec != toc)
|
continue;
|
continue;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
val = h->root.u.def.value;
|
val = h->root.u.def.value;
|
else
|
else
|
val = sym->st_value;
|
val = sym->st_value;
|
val += rel->r_addend;
|
val += rel->r_addend;
|
|
|
if (val >= toc->size)
|
if (val >= toc->size)
|
continue;
|
continue;
|
|
|
/* For the toc section, we only mark as used if
|
/* For the toc section, we only mark as used if
|
this entry itself isn't unused. */
|
this entry itself isn't unused. */
|
if (sec == toc
|
if (sec == toc
|
&& !used[val >> 3]
|
&& !used[val >> 3]
|
&& (used[rel->r_offset >> 3]
|
&& (used[rel->r_offset >> 3]
|
|| !skip[rel->r_offset >> 3]))
|
|| !skip[rel->r_offset >> 3]))
|
/* Do all the relocs again, to catch reference
|
/* Do all the relocs again, to catch reference
|
chains. */
|
chains. */
|
repeat = 1;
|
repeat = 1;
|
|
|
used[val >> 3] = 1;
|
used[val >> 3] = 1;
|
}
|
}
|
while (repeat);
|
while (repeat);
|
}
|
}
|
|
|
/* Merge the used and skip arrays. Assume that TOC
|
/* Merge the used and skip arrays. Assume that TOC
|
doublewords not appearing as either used or unused belong
|
doublewords not appearing as either used or unused belong
|
to to an entry more than one doubleword in size. */
|
to to an entry more than one doubleword in size. */
|
for (drop = skip, keep = used, last = 0, some_unused = 0;
|
for (drop = skip, keep = used, last = 0, some_unused = 0;
|
drop < skip + (toc->size + 7) / 8;
|
drop < skip + (toc->size + 7) / 8;
|
++drop, ++keep)
|
++drop, ++keep)
|
{
|
{
|
if (*keep)
|
if (*keep)
|
{
|
{
|
*drop = 0;
|
*drop = 0;
|
last = 0;
|
last = 0;
|
}
|
}
|
else if (*drop)
|
else if (*drop)
|
{
|
{
|
some_unused = 1;
|
some_unused = 1;
|
last = 1;
|
last = 1;
|
}
|
}
|
else
|
else
|
*drop = last;
|
*drop = last;
|
}
|
}
|
|
|
free (used);
|
free (used);
|
|
|
if (some_unused)
|
if (some_unused)
|
{
|
{
|
bfd_byte *contents, *src;
|
bfd_byte *contents, *src;
|
unsigned long off;
|
unsigned long off;
|
|
|
/* Shuffle the toc contents, and at the same time convert the
|
/* Shuffle the toc contents, and at the same time convert the
|
skip array from booleans into offsets. */
|
skip array from booleans into offsets. */
|
if (!bfd_malloc_and_get_section (ibfd, toc, &contents))
|
if (!bfd_malloc_and_get_section (ibfd, toc, &contents))
|
goto error_ret;
|
goto error_ret;
|
|
|
elf_section_data (toc)->this_hdr.contents = contents;
|
elf_section_data (toc)->this_hdr.contents = contents;
|
|
|
for (src = contents, off = 0, drop = skip;
|
for (src = contents, off = 0, drop = skip;
|
src < contents + toc->size;
|
src < contents + toc->size;
|
src += 8, ++drop)
|
src += 8, ++drop)
|
{
|
{
|
if (*drop)
|
if (*drop)
|
{
|
{
|
*drop = (unsigned long) -1;
|
*drop = (unsigned long) -1;
|
off += 8;
|
off += 8;
|
}
|
}
|
else if (off != 0)
|
else if (off != 0)
|
{
|
{
|
*drop = off;
|
*drop = off;
|
memcpy (src - off, src, 8);
|
memcpy (src - off, src, 8);
|
}
|
}
|
}
|
}
|
toc->rawsize = toc->size;
|
toc->rawsize = toc->size;
|
toc->size = src - contents - off;
|
toc->size = src - contents - off;
|
|
|
if (toc->reloc_count != 0)
|
if (toc->reloc_count != 0)
|
{
|
{
|
Elf_Internal_Rela *wrel;
|
Elf_Internal_Rela *wrel;
|
bfd_size_type sz;
|
bfd_size_type sz;
|
|
|
/* Read toc relocs. */
|
/* Read toc relocs. */
|
relstart = _bfd_elf_link_read_relocs (ibfd, toc, NULL, NULL,
|
relstart = _bfd_elf_link_read_relocs (ibfd, toc, NULL, NULL,
|
TRUE);
|
TRUE);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
goto error_ret;
|
goto error_ret;
|
|
|
/* Remove unused toc relocs, and adjust those we keep. */
|
/* Remove unused toc relocs, and adjust those we keep. */
|
wrel = relstart;
|
wrel = relstart;
|
for (rel = relstart; rel < relstart + toc->reloc_count; ++rel)
|
for (rel = relstart; rel < relstart + toc->reloc_count; ++rel)
|
if (skip[rel->r_offset >> 3] != (unsigned long) -1)
|
if (skip[rel->r_offset >> 3] != (unsigned long) -1)
|
{
|
{
|
wrel->r_offset = rel->r_offset - skip[rel->r_offset >> 3];
|
wrel->r_offset = rel->r_offset - skip[rel->r_offset >> 3];
|
wrel->r_info = rel->r_info;
|
wrel->r_info = rel->r_info;
|
wrel->r_addend = rel->r_addend;
|
wrel->r_addend = rel->r_addend;
|
++wrel;
|
++wrel;
|
}
|
}
|
else if (!dec_dynrel_count (rel->r_info, toc, info,
|
else if (!dec_dynrel_count (rel->r_info, toc, info,
|
&local_syms, NULL, NULL))
|
&local_syms, NULL, NULL))
|
goto error_ret;
|
goto error_ret;
|
|
|
toc->reloc_count = wrel - relstart;
|
toc->reloc_count = wrel - relstart;
|
sz = elf_section_data (toc)->rel_hdr.sh_entsize;
|
sz = elf_section_data (toc)->rel_hdr.sh_entsize;
|
elf_section_data (toc)->rel_hdr.sh_size = toc->reloc_count * sz;
|
elf_section_data (toc)->rel_hdr.sh_size = toc->reloc_count * sz;
|
BFD_ASSERT (elf_section_data (toc)->rel_hdr2 == NULL);
|
BFD_ASSERT (elf_section_data (toc)->rel_hdr2 == NULL);
|
}
|
}
|
|
|
/* Adjust addends for relocs against the toc section sym. */
|
/* Adjust addends for relocs against the toc section sym. */
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
{
|
{
|
if (sec->reloc_count == 0
|
if (sec->reloc_count == 0
|
|| elf_discarded_section (sec))
|
|| elf_discarded_section (sec))
|
continue;
|
continue;
|
|
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
TRUE);
|
TRUE);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
goto error_ret;
|
goto error_ret;
|
|
|
for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
|
for (rel = relstart; rel < relstart + sec->reloc_count; ++rel)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
continue;
|
continue;
|
|
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_ADDR64:
|
case R_PPC64_ADDR64:
|
break;
|
break;
|
}
|
}
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
r_symndx, ibfd))
|
r_symndx, ibfd))
|
goto error_ret;
|
goto error_ret;
|
|
|
if (sym_sec != toc || h != NULL || sym->st_value != 0)
|
if (sym_sec != toc || h != NULL || sym->st_value != 0)
|
continue;
|
continue;
|
|
|
rel->r_addend -= skip[rel->r_addend >> 3];
|
rel->r_addend -= skip[rel->r_addend >> 3];
|
}
|
}
|
}
|
}
|
|
|
/* We shouldn't have local or global symbols defined in the TOC,
|
/* We shouldn't have local or global symbols defined in the TOC,
|
but handle them anyway. */
|
but handle them anyway. */
|
if (local_syms != NULL)
|
if (local_syms != NULL)
|
{
|
{
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
|
|
for (sym = local_syms;
|
for (sym = local_syms;
|
sym < local_syms + symtab_hdr->sh_info;
|
sym < local_syms + symtab_hdr->sh_info;
|
++sym)
|
++sym)
|
if (sym->st_value != 0
|
if (sym->st_value != 0
|
&& bfd_section_from_elf_index (ibfd, sym->st_shndx) == toc)
|
&& bfd_section_from_elf_index (ibfd, sym->st_shndx) == toc)
|
{
|
{
|
if (skip[sym->st_value >> 3] != (unsigned long) -1)
|
if (skip[sym->st_value >> 3] != (unsigned long) -1)
|
sym->st_value -= skip[sym->st_value >> 3];
|
sym->st_value -= skip[sym->st_value >> 3];
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s defined in removed toc entry"),
|
(_("%s defined in removed toc entry"),
|
bfd_elf_sym_name (ibfd, symtab_hdr, sym,
|
bfd_elf_sym_name (ibfd, symtab_hdr, sym,
|
NULL));
|
NULL));
|
sym->st_value = 0;
|
sym->st_value = 0;
|
sym->st_shndx = SHN_ABS;
|
sym->st_shndx = SHN_ABS;
|
}
|
}
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
}
|
}
|
}
|
}
|
|
|
/* Finally, adjust any global syms defined in the toc. */
|
/* Finally, adjust any global syms defined in the toc. */
|
if (toc_inf.global_toc_syms)
|
if (toc_inf.global_toc_syms)
|
{
|
{
|
toc_inf.toc = toc;
|
toc_inf.toc = toc;
|
toc_inf.skip = skip;
|
toc_inf.skip = skip;
|
toc_inf.global_toc_syms = FALSE;
|
toc_inf.global_toc_syms = FALSE;
|
elf_link_hash_traverse (elf_hash_table (info), adjust_toc_syms,
|
elf_link_hash_traverse (elf_hash_table (info), adjust_toc_syms,
|
&toc_inf);
|
&toc_inf);
|
}
|
}
|
}
|
}
|
|
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
{
|
{
|
if (!info->keep_memory)
|
if (!info->keep_memory)
|
free (local_syms);
|
free (local_syms);
|
else
|
else
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
}
|
}
|
free (skip);
|
free (skip);
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Allocate space in .plt, .got and associated reloc sections for
|
/* Allocate space in .plt, .got and associated reloc sections for
|
dynamic relocs. */
|
dynamic relocs. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
struct got_entry *gent;
|
struct got_entry *gent;
|
|
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
info = (struct bfd_link_info *) inf;
|
info = (struct bfd_link_info *) inf;
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
if (htab->elf.dynamic_sections_created
|
if (htab->elf.dynamic_sections_created
|
&& h->dynindx != -1
|
&& h->dynindx != -1
|
&& WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
|
&& WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
|
{
|
{
|
struct plt_entry *pent;
|
struct plt_entry *pent;
|
bfd_boolean doneone = FALSE;
|
bfd_boolean doneone = FALSE;
|
for (pent = h->plt.plist; pent != NULL; pent = pent->next)
|
for (pent = h->plt.plist; pent != NULL; pent = pent->next)
|
if (pent->plt.refcount > 0)
|
if (pent->plt.refcount > 0)
|
{
|
{
|
/* If this is the first .plt entry, make room for the special
|
/* If this is the first .plt entry, make room for the special
|
first entry. */
|
first entry. */
|
s = htab->plt;
|
s = htab->plt;
|
if (s->size == 0)
|
if (s->size == 0)
|
s->size += PLT_INITIAL_ENTRY_SIZE;
|
s->size += PLT_INITIAL_ENTRY_SIZE;
|
|
|
pent->plt.offset = s->size;
|
pent->plt.offset = s->size;
|
|
|
/* Make room for this entry. */
|
/* Make room for this entry. */
|
s->size += PLT_ENTRY_SIZE;
|
s->size += PLT_ENTRY_SIZE;
|
|
|
/* Make room for the .glink code. */
|
/* Make room for the .glink code. */
|
s = htab->glink;
|
s = htab->glink;
|
if (s->size == 0)
|
if (s->size == 0)
|
s->size += GLINK_CALL_STUB_SIZE;
|
s->size += GLINK_CALL_STUB_SIZE;
|
/* We need bigger stubs past index 32767. */
|
/* We need bigger stubs past index 32767. */
|
if (s->size >= GLINK_CALL_STUB_SIZE + 32768*2*4)
|
if (s->size >= GLINK_CALL_STUB_SIZE + 32768*2*4)
|
s->size += 4;
|
s->size += 4;
|
s->size += 2*4;
|
s->size += 2*4;
|
|
|
/* We also need to make an entry in the .rela.plt section. */
|
/* We also need to make an entry in the .rela.plt section. */
|
s = htab->relplt;
|
s = htab->relplt;
|
s->size += sizeof (Elf64_External_Rela);
|
s->size += sizeof (Elf64_External_Rela);
|
doneone = TRUE;
|
doneone = TRUE;
|
}
|
}
|
else
|
else
|
pent->plt.offset = (bfd_vma) -1;
|
pent->plt.offset = (bfd_vma) -1;
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
/* Run through the TLS GD got entries first if we're changing them
|
/* Run through the TLS GD got entries first if we're changing them
|
to TPREL. */
|
to TPREL. */
|
if ((eh->tls_mask & TLS_TPRELGD) != 0)
|
if ((eh->tls_mask & TLS_TPRELGD) != 0)
|
for (gent = h->got.glist; gent != NULL; gent = gent->next)
|
for (gent = h->got.glist; gent != NULL; gent = gent->next)
|
if (gent->got.refcount > 0
|
if (gent->got.refcount > 0
|
&& (gent->tls_type & TLS_GD) != 0)
|
&& (gent->tls_type & TLS_GD) != 0)
|
{
|
{
|
/* This was a GD entry that has been converted to TPREL. If
|
/* This was a GD entry that has been converted to TPREL. If
|
there happens to be a TPREL entry we can use that one. */
|
there happens to be a TPREL entry we can use that one. */
|
struct got_entry *ent;
|
struct got_entry *ent;
|
for (ent = h->got.glist; ent != NULL; ent = ent->next)
|
for (ent = h->got.glist; ent != NULL; ent = ent->next)
|
if (ent->got.refcount > 0
|
if (ent->got.refcount > 0
|
&& (ent->tls_type & TLS_TPREL) != 0
|
&& (ent->tls_type & TLS_TPREL) != 0
|
&& ent->addend == gent->addend
|
&& ent->addend == gent->addend
|
&& ent->owner == gent->owner)
|
&& ent->owner == gent->owner)
|
{
|
{
|
gent->got.refcount = 0;
|
gent->got.refcount = 0;
|
break;
|
break;
|
}
|
}
|
|
|
/* If not, then we'll be using our own TPREL entry. */
|
/* If not, then we'll be using our own TPREL entry. */
|
if (gent->got.refcount != 0)
|
if (gent->got.refcount != 0)
|
gent->tls_type = TLS_TLS | TLS_TPREL;
|
gent->tls_type = TLS_TLS | TLS_TPREL;
|
}
|
}
|
|
|
for (gent = h->got.glist; gent != NULL; gent = gent->next)
|
for (gent = h->got.glist; gent != NULL; gent = gent->next)
|
if (gent->got.refcount > 0)
|
if (gent->got.refcount > 0)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
|
|
/* Make sure this symbol is output as a dynamic symbol.
|
/* Make sure this symbol is output as a dynamic symbol.
|
Undefined weak syms won't yet be marked as dynamic,
|
Undefined weak syms won't yet be marked as dynamic,
|
nor will all TLS symbols. */
|
nor will all TLS symbols. */
|
if (h->dynindx == -1
|
if (h->dynindx == -1
|
&& !h->forced_local)
|
&& !h->forced_local)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if ((gent->tls_type & TLS_LD) != 0
|
if ((gent->tls_type & TLS_LD) != 0
|
&& !h->def_dynamic)
|
&& !h->def_dynamic)
|
{
|
{
|
ppc64_tlsld_got (gent->owner)->refcount += 1;
|
ppc64_tlsld_got (gent->owner)->refcount += 1;
|
gent->got.offset = (bfd_vma) -1;
|
gent->got.offset = (bfd_vma) -1;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (!is_ppc64_elf (gent->owner))
|
if (!is_ppc64_elf (gent->owner))
|
continue;
|
continue;
|
|
|
s = ppc64_elf_tdata (gent->owner)->got;
|
s = ppc64_elf_tdata (gent->owner)->got;
|
gent->got.offset = s->size;
|
gent->got.offset = s->size;
|
s->size
|
s->size
|
+= (gent->tls_type & eh->tls_mask & (TLS_GD | TLS_LD)) ? 16 : 8;
|
+= (gent->tls_type & eh->tls_mask & (TLS_GD | TLS_LD)) ? 16 : 8;
|
dyn = htab->elf.dynamic_sections_created;
|
dyn = htab->elf.dynamic_sections_created;
|
if ((info->shared
|
if ((info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
|
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
|| h->root.type != bfd_link_hash_undefweak))
|
|| h->root.type != bfd_link_hash_undefweak))
|
ppc64_elf_tdata (gent->owner)->relgot->size
|
ppc64_elf_tdata (gent->owner)->relgot->size
|
+= (gent->tls_type & eh->tls_mask & TLS_GD
|
+= (gent->tls_type & eh->tls_mask & TLS_GD
|
? 2 * sizeof (Elf64_External_Rela)
|
? 2 * sizeof (Elf64_External_Rela)
|
: sizeof (Elf64_External_Rela));
|
: sizeof (Elf64_External_Rela));
|
}
|
}
|
else
|
else
|
gent->got.offset = (bfd_vma) -1;
|
gent->got.offset = (bfd_vma) -1;
|
|
|
if (eh->dyn_relocs == NULL)
|
if (eh->dyn_relocs == NULL)
|
return TRUE;
|
return TRUE;
|
|
|
/* In the shared -Bsymbolic case, discard space allocated for
|
/* In the shared -Bsymbolic case, discard space allocated for
|
dynamic pc-relative relocs against symbols which turn out to be
|
dynamic pc-relative relocs against symbols which turn out to be
|
defined in regular objects. For the normal shared case, discard
|
defined in regular objects. For the normal shared case, discard
|
space for relocs that have become local due to symbol visibility
|
space for relocs that have become local due to symbol visibility
|
changes. */
|
changes. */
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
/* Relocs that use pc_count are those that appear on a call insn,
|
/* Relocs that use pc_count are those that appear on a call insn,
|
or certain REL relocs (see MUST_BE_DYN_RELOC) that can be
|
or certain REL relocs (see MUST_BE_DYN_RELOC) that can be
|
generated via assembly. We want calls to protected symbols to
|
generated via assembly. We want calls to protected symbols to
|
resolve directly to the function rather than going via the plt.
|
resolve directly to the function rather than going via the plt.
|
If people want function pointer comparisons to work as expected
|
If people want function pointer comparisons to work as expected
|
then they should avoid writing weird assembly. */
|
then they should avoid writing weird assembly. */
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
{
|
{
|
struct ppc_dyn_relocs **pp;
|
struct ppc_dyn_relocs **pp;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
p->count -= p->pc_count;
|
p->count -= p->pc_count;
|
p->pc_count = 0;
|
p->pc_count = 0;
|
if (p->count == 0)
|
if (p->count == 0)
|
*pp = p->next;
|
*pp = p->next;
|
else
|
else
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
}
|
}
|
|
|
/* Also discard relocs on undefined weak syms with non-default
|
/* Also discard relocs on undefined weak syms with non-default
|
visibility. */
|
visibility. */
|
if (eh->dyn_relocs != NULL
|
if (eh->dyn_relocs != NULL
|
&& h->root.type == bfd_link_hash_undefweak)
|
&& h->root.type == bfd_link_hash_undefweak)
|
{
|
{
|
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
eh->dyn_relocs = NULL;
|
eh->dyn_relocs = NULL;
|
|
|
/* Make sure this symbol is output as a dynamic symbol.
|
/* Make sure this symbol is output as a dynamic symbol.
|
Undefined weak syms won't yet be marked as dynamic. */
|
Undefined weak syms won't yet be marked as dynamic. */
|
else if (h->dynindx == -1
|
else if (h->dynindx == -1
|
&& !h->forced_local)
|
&& !h->forced_local)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
else if (ELIMINATE_COPY_RELOCS)
|
else if (ELIMINATE_COPY_RELOCS)
|
{
|
{
|
/* For the non-shared case, discard space for relocs against
|
/* For the non-shared case, discard space for relocs against
|
symbols which turn out to need copy relocs or are not
|
symbols which turn out to need copy relocs or are not
|
dynamic. */
|
dynamic. */
|
|
|
if (!h->non_got_ref
|
if (!h->non_got_ref
|
&& h->def_dynamic
|
&& h->def_dynamic
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
/* Make sure this symbol is output as a dynamic symbol.
|
/* Make sure this symbol is output as a dynamic symbol.
|
Undefined weak syms won't yet be marked as dynamic. */
|
Undefined weak syms won't yet be marked as dynamic. */
|
if (h->dynindx == -1
|
if (h->dynindx == -1
|
&& !h->forced_local)
|
&& !h->forced_local)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* If that succeeded, we know we'll be keeping all the
|
/* If that succeeded, we know we'll be keeping all the
|
relocs. */
|
relocs. */
|
if (h->dynindx != -1)
|
if (h->dynindx != -1)
|
goto keep;
|
goto keep;
|
}
|
}
|
|
|
eh->dyn_relocs = NULL;
|
eh->dyn_relocs = NULL;
|
|
|
keep: ;
|
keep: ;
|
}
|
}
|
|
|
/* Finally, allocate space. */
|
/* Finally, allocate space. */
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
sreloc->size += p->count * sizeof (Elf64_External_Rela);
|
sreloc->size += p->count * sizeof (Elf64_External_Rela);
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Find any dynamic relocs that apply to read-only sections. */
|
/* Find any dynamic relocs that apply to read-only sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
asection *s = p->sec->output_section;
|
asection *s = p->sec->output_section;
|
|
|
if (s != NULL && (s->flags & SEC_READONLY) != 0)
|
if (s != NULL && (s->flags & SEC_READONLY) != 0)
|
{
|
{
|
struct bfd_link_info *info = inf;
|
struct bfd_link_info *info = inf;
|
|
|
info->flags |= DF_TEXTREL;
|
info->flags |= DF_TEXTREL;
|
|
|
/* Not an error, just cut short the traversal. */
|
/* Not an error, just cut short the traversal. */
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set the sizes of the dynamic sections. */
|
/* Set the sizes of the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
ppc64_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *s;
|
asection *s;
|
bfd_boolean relocs;
|
bfd_boolean relocs;
|
bfd *ibfd;
|
bfd *ibfd;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
dynobj = htab->elf.dynobj;
|
dynobj = htab->elf.dynobj;
|
if (dynobj == NULL)
|
if (dynobj == NULL)
|
abort ();
|
abort ();
|
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
{
|
{
|
/* Set the contents of the .interp section to the interpreter. */
|
/* Set the contents of the .interp section to the interpreter. */
|
if (info->executable)
|
if (info->executable)
|
{
|
{
|
s = bfd_get_section_by_name (dynobj, ".interp");
|
s = bfd_get_section_by_name (dynobj, ".interp");
|
if (s == NULL)
|
if (s == NULL)
|
abort ();
|
abort ();
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
}
|
}
|
}
|
}
|
|
|
/* Set up .got offsets for local syms, and space for local dynamic
|
/* Set up .got offsets for local syms, and space for local dynamic
|
relocs. */
|
relocs. */
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
struct got_entry **lgot_ents;
|
struct got_entry **lgot_ents;
|
struct got_entry **end_lgot_ents;
|
struct got_entry **end_lgot_ents;
|
char *lgot_masks;
|
char *lgot_masks;
|
bfd_size_type locsymcount;
|
bfd_size_type locsymcount;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
asection *srel;
|
asection *srel;
|
|
|
if (!is_ppc64_elf (ibfd))
|
if (!is_ppc64_elf (ibfd))
|
continue;
|
continue;
|
|
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
{
|
{
|
struct ppc_dyn_relocs *p;
|
struct ppc_dyn_relocs *p;
|
|
|
for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
|
for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
|
{
|
{
|
if (!bfd_is_abs_section (p->sec)
|
if (!bfd_is_abs_section (p->sec)
|
&& bfd_is_abs_section (p->sec->output_section))
|
&& bfd_is_abs_section (p->sec->output_section))
|
{
|
{
|
/* Input section has been discarded, either because
|
/* Input section has been discarded, either because
|
it is a copy of a linkonce section or due to
|
it is a copy of a linkonce section or due to
|
linker script /DISCARD/, so we'll be discarding
|
linker script /DISCARD/, so we'll be discarding
|
the relocs too. */
|
the relocs too. */
|
}
|
}
|
else if (p->count != 0)
|
else if (p->count != 0)
|
{
|
{
|
srel = elf_section_data (p->sec)->sreloc;
|
srel = elf_section_data (p->sec)->sreloc;
|
srel->size += p->count * sizeof (Elf64_External_Rela);
|
srel->size += p->count * sizeof (Elf64_External_Rela);
|
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
|
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
|
info->flags |= DF_TEXTREL;
|
info->flags |= DF_TEXTREL;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
lgot_ents = elf_local_got_ents (ibfd);
|
lgot_ents = elf_local_got_ents (ibfd);
|
if (!lgot_ents)
|
if (!lgot_ents)
|
continue;
|
continue;
|
|
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
locsymcount = symtab_hdr->sh_info;
|
locsymcount = symtab_hdr->sh_info;
|
end_lgot_ents = lgot_ents + locsymcount;
|
end_lgot_ents = lgot_ents + locsymcount;
|
lgot_masks = (char *) end_lgot_ents;
|
lgot_masks = (char *) end_lgot_ents;
|
s = ppc64_elf_tdata (ibfd)->got;
|
s = ppc64_elf_tdata (ibfd)->got;
|
srel = ppc64_elf_tdata (ibfd)->relgot;
|
srel = ppc64_elf_tdata (ibfd)->relgot;
|
for (; lgot_ents < end_lgot_ents; ++lgot_ents, ++lgot_masks)
|
for (; lgot_ents < end_lgot_ents; ++lgot_ents, ++lgot_masks)
|
{
|
{
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
for (ent = *lgot_ents; ent != NULL; ent = ent->next)
|
for (ent = *lgot_ents; ent != NULL; ent = ent->next)
|
if (ent->got.refcount > 0)
|
if (ent->got.refcount > 0)
|
{
|
{
|
if ((ent->tls_type & *lgot_masks & TLS_LD) != 0)
|
if ((ent->tls_type & *lgot_masks & TLS_LD) != 0)
|
{
|
{
|
ppc64_tlsld_got (ibfd)->refcount += 1;
|
ppc64_tlsld_got (ibfd)->refcount += 1;
|
ent->got.offset = (bfd_vma) -1;
|
ent->got.offset = (bfd_vma) -1;
|
}
|
}
|
else
|
else
|
{
|
{
|
ent->got.offset = s->size;
|
ent->got.offset = s->size;
|
if ((ent->tls_type & *lgot_masks & TLS_GD) != 0)
|
if ((ent->tls_type & *lgot_masks & TLS_GD) != 0)
|
{
|
{
|
s->size += 16;
|
s->size += 16;
|
if (info->shared)
|
if (info->shared)
|
srel->size += 2 * sizeof (Elf64_External_Rela);
|
srel->size += 2 * sizeof (Elf64_External_Rela);
|
}
|
}
|
else
|
else
|
{
|
{
|
s->size += 8;
|
s->size += 8;
|
if (info->shared)
|
if (info->shared)
|
srel->size += sizeof (Elf64_External_Rela);
|
srel->size += sizeof (Elf64_External_Rela);
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
ent->got.offset = (bfd_vma) -1;
|
ent->got.offset = (bfd_vma) -1;
|
}
|
}
|
}
|
}
|
|
|
/* Allocate global sym .plt and .got entries, and space for global
|
/* Allocate global sym .plt and .got entries, and space for global
|
sym dynamic relocs. */
|
sym dynamic relocs. */
|
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
|
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
|
|
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
if (!is_ppc64_elf (ibfd))
|
if (!is_ppc64_elf (ibfd))
|
continue;
|
continue;
|
|
|
if (ppc64_tlsld_got (ibfd)->refcount > 0)
|
if (ppc64_tlsld_got (ibfd)->refcount > 0)
|
{
|
{
|
s = ppc64_elf_tdata (ibfd)->got;
|
s = ppc64_elf_tdata (ibfd)->got;
|
ppc64_tlsld_got (ibfd)->offset = s->size;
|
ppc64_tlsld_got (ibfd)->offset = s->size;
|
s->size += 16;
|
s->size += 16;
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
asection *srel = ppc64_elf_tdata (ibfd)->relgot;
|
asection *srel = ppc64_elf_tdata (ibfd)->relgot;
|
srel->size += sizeof (Elf64_External_Rela);
|
srel->size += sizeof (Elf64_External_Rela);
|
}
|
}
|
}
|
}
|
else
|
else
|
ppc64_tlsld_got (ibfd)->offset = (bfd_vma) -1;
|
ppc64_tlsld_got (ibfd)->offset = (bfd_vma) -1;
|
}
|
}
|
|
|
/* We now have determined the sizes of the various dynamic sections.
|
/* We now have determined the sizes of the various dynamic sections.
|
Allocate memory for them. */
|
Allocate memory for them. */
|
relocs = FALSE;
|
relocs = FALSE;
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
{
|
{
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
continue;
|
continue;
|
|
|
if (s == htab->brlt || s == htab->relbrlt)
|
if (s == htab->brlt || s == htab->relbrlt)
|
/* These haven't been allocated yet; don't strip. */
|
/* These haven't been allocated yet; don't strip. */
|
continue;
|
continue;
|
else if (s == htab->got
|
else if (s == htab->got
|
|| s == htab->plt
|
|| s == htab->plt
|
|| s == htab->glink
|
|| s == htab->glink
|
|| s == htab->dynbss)
|
|| s == htab->dynbss)
|
{
|
{
|
/* Strip this section if we don't need it; see the
|
/* Strip this section if we don't need it; see the
|
comment below. */
|
comment below. */
|
}
|
}
|
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
|
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
|
{
|
{
|
if (s->size != 0)
|
if (s->size != 0)
|
{
|
{
|
if (s != htab->relplt)
|
if (s != htab->relplt)
|
relocs = TRUE;
|
relocs = TRUE;
|
|
|
/* We use the reloc_count field as a counter if we need
|
/* We use the reloc_count field as a counter if we need
|
to copy relocs into the output file. */
|
to copy relocs into the output file. */
|
s->reloc_count = 0;
|
s->reloc_count = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* It's not one of our sections, so don't allocate space. */
|
/* It's not one of our sections, so don't allocate space. */
|
continue;
|
continue;
|
}
|
}
|
|
|
if (s->size == 0)
|
if (s->size == 0)
|
{
|
{
|
/* If we don't need this section, strip it from the
|
/* If we don't need this section, strip it from the
|
output file. This is mostly to handle .rela.bss and
|
output file. This is mostly to handle .rela.bss and
|
.rela.plt. We must create both sections in
|
.rela.plt. We must create both sections in
|
create_dynamic_sections, because they must be created
|
create_dynamic_sections, because they must be created
|
before the linker maps input sections to output
|
before the linker maps input sections to output
|
sections. The linker does that before
|
sections. The linker does that before
|
adjust_dynamic_symbol is called, and it is that
|
adjust_dynamic_symbol is called, and it is that
|
function which decides whether anything needs to go
|
function which decides whether anything needs to go
|
into these sections. */
|
into these sections. */
|
s->flags |= SEC_EXCLUDE;
|
s->flags |= SEC_EXCLUDE;
|
continue;
|
continue;
|
}
|
}
|
|
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
continue;
|
continue;
|
|
|
/* Allocate memory for the section contents. We use bfd_zalloc
|
/* Allocate memory for the section contents. We use bfd_zalloc
|
here in case unused entries are not reclaimed before the
|
here in case unused entries are not reclaimed before the
|
section's contents are written out. This should not happen,
|
section's contents are written out. This should not happen,
|
but this way if it does we get a R_PPC64_NONE reloc in .rela
|
but this way if it does we get a R_PPC64_NONE reloc in .rela
|
sections instead of garbage.
|
sections instead of garbage.
|
We also rely on the section contents being zero when writing
|
We also rely on the section contents being zero when writing
|
the GOT. */
|
the GOT. */
|
s->contents = bfd_zalloc (dynobj, s->size);
|
s->contents = bfd_zalloc (dynobj, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
if (!is_ppc64_elf (ibfd))
|
if (!is_ppc64_elf (ibfd))
|
continue;
|
continue;
|
|
|
s = ppc64_elf_tdata (ibfd)->got;
|
s = ppc64_elf_tdata (ibfd)->got;
|
if (s != NULL && s != htab->got)
|
if (s != NULL && s != htab->got)
|
{
|
{
|
if (s->size == 0)
|
if (s->size == 0)
|
s->flags |= SEC_EXCLUDE;
|
s->flags |= SEC_EXCLUDE;
|
else
|
else
|
{
|
{
|
s->contents = bfd_zalloc (ibfd, s->size);
|
s->contents = bfd_zalloc (ibfd, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
s = ppc64_elf_tdata (ibfd)->relgot;
|
s = ppc64_elf_tdata (ibfd)->relgot;
|
if (s != NULL)
|
if (s != NULL)
|
{
|
{
|
if (s->size == 0)
|
if (s->size == 0)
|
s->flags |= SEC_EXCLUDE;
|
s->flags |= SEC_EXCLUDE;
|
else
|
else
|
{
|
{
|
s->contents = bfd_zalloc (ibfd, s->size);
|
s->contents = bfd_zalloc (ibfd, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
relocs = TRUE;
|
relocs = TRUE;
|
s->reloc_count = 0;
|
s->reloc_count = 0;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
{
|
{
|
/* Add some entries to the .dynamic section. We fill in the
|
/* Add some entries to the .dynamic section. We fill in the
|
values later, in ppc64_elf_finish_dynamic_sections, but we
|
values later, in ppc64_elf_finish_dynamic_sections, but we
|
must add the entries now so that we get the correct size for
|
must add the entries now so that we get the correct size for
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
dynamic linker and used by the debugger. */
|
dynamic linker and used by the debugger. */
|
#define add_dynamic_entry(TAG, VAL) \
|
#define add_dynamic_entry(TAG, VAL) \
|
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
|
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
|
|
|
if (info->executable)
|
if (info->executable)
|
{
|
{
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->plt != NULL && htab->plt->size != 0)
|
if (htab->plt != NULL && htab->plt->size != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|
|| !add_dynamic_entry (DT_JMPREL, 0)
|
|| !add_dynamic_entry (DT_JMPREL, 0)
|
|| !add_dynamic_entry (DT_PPC64_GLINK, 0))
|
|| !add_dynamic_entry (DT_PPC64_GLINK, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (NO_OPD_RELOCS)
|
if (NO_OPD_RELOCS)
|
{
|
{
|
if (!add_dynamic_entry (DT_PPC64_OPD, 0)
|
if (!add_dynamic_entry (DT_PPC64_OPD, 0)
|
|| !add_dynamic_entry (DT_PPC64_OPDSZ, 0))
|
|| !add_dynamic_entry (DT_PPC64_OPDSZ, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (relocs)
|
if (relocs)
|
{
|
{
|
if (!add_dynamic_entry (DT_RELA, 0)
|
if (!add_dynamic_entry (DT_RELA, 0)
|
|| !add_dynamic_entry (DT_RELASZ, 0)
|
|| !add_dynamic_entry (DT_RELASZ, 0)
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
|
return FALSE;
|
return FALSE;
|
|
|
/* If any dynamic relocs apply to a read-only section,
|
/* If any dynamic relocs apply to a read-only section,
|
then we need a DT_TEXTREL entry. */
|
then we need a DT_TEXTREL entry. */
|
if ((info->flags & DF_TEXTREL) == 0)
|
if ((info->flags & DF_TEXTREL) == 0)
|
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
|
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
|
|
|
if ((info->flags & DF_TEXTREL) != 0)
|
if ((info->flags & DF_TEXTREL) != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
#undef add_dynamic_entry
|
#undef add_dynamic_entry
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Determine the type of stub needed, if any, for a call. */
|
/* Determine the type of stub needed, if any, for a call. */
|
|
|
static inline enum ppc_stub_type
|
static inline enum ppc_stub_type
|
ppc_type_of_stub (asection *input_sec,
|
ppc_type_of_stub (asection *input_sec,
|
const Elf_Internal_Rela *rel,
|
const Elf_Internal_Rela *rel,
|
struct ppc_link_hash_entry **hash,
|
struct ppc_link_hash_entry **hash,
|
bfd_vma destination)
|
bfd_vma destination)
|
{
|
{
|
struct ppc_link_hash_entry *h = *hash;
|
struct ppc_link_hash_entry *h = *hash;
|
bfd_vma location;
|
bfd_vma location;
|
bfd_vma branch_offset;
|
bfd_vma branch_offset;
|
bfd_vma max_branch_offset;
|
bfd_vma max_branch_offset;
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct ppc_link_hash_entry *fdh = h;
|
struct ppc_link_hash_entry *fdh = h;
|
if (fdh->oh != NULL
|
if (fdh->oh != NULL
|
&& fdh->oh->is_func_descriptor)
|
&& fdh->oh->is_func_descriptor)
|
fdh = fdh->oh;
|
fdh = fdh->oh;
|
|
|
if (fdh->elf.dynindx != -1)
|
if (fdh->elf.dynindx != -1)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
for (ent = fdh->elf.plt.plist; ent != NULL; ent = ent->next)
|
for (ent = fdh->elf.plt.plist; ent != NULL; ent = ent->next)
|
if (ent->addend == rel->r_addend
|
if (ent->addend == rel->r_addend
|
&& ent->plt.offset != (bfd_vma) -1)
|
&& ent->plt.offset != (bfd_vma) -1)
|
{
|
{
|
*hash = fdh;
|
*hash = fdh;
|
return ppc_stub_plt_call;
|
return ppc_stub_plt_call;
|
}
|
}
|
}
|
}
|
|
|
/* Here, we know we don't have a plt entry. If we don't have a
|
/* Here, we know we don't have a plt entry. If we don't have a
|
either a defined function descriptor or a defined entry symbol
|
either a defined function descriptor or a defined entry symbol
|
in a regular object file, then it is pointless trying to make
|
in a regular object file, then it is pointless trying to make
|
any other type of stub. */
|
any other type of stub. */
|
if (!((fdh->elf.root.type == bfd_link_hash_defined
|
if (!((fdh->elf.root.type == bfd_link_hash_defined
|
|| fdh->elf.root.type == bfd_link_hash_defweak)
|
|| fdh->elf.root.type == bfd_link_hash_defweak)
|
&& fdh->elf.root.u.def.section->output_section != NULL)
|
&& fdh->elf.root.u.def.section->output_section != NULL)
|
&& !((h->elf.root.type == bfd_link_hash_defined
|
&& !((h->elf.root.type == bfd_link_hash_defined
|
|| h->elf.root.type == bfd_link_hash_defweak)
|
|| h->elf.root.type == bfd_link_hash_defweak)
|
&& h->elf.root.u.def.section->output_section != NULL))
|
&& h->elf.root.u.def.section->output_section != NULL))
|
return ppc_stub_none;
|
return ppc_stub_none;
|
}
|
}
|
|
|
/* Determine where the call point is. */
|
/* Determine where the call point is. */
|
location = (input_sec->output_offset
|
location = (input_sec->output_offset
|
+ input_sec->output_section->vma
|
+ input_sec->output_section->vma
|
+ rel->r_offset);
|
+ rel->r_offset);
|
|
|
branch_offset = destination - location;
|
branch_offset = destination - location;
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
|
|
/* Determine if a long branch stub is needed. */
|
/* Determine if a long branch stub is needed. */
|
max_branch_offset = 1 << 25;
|
max_branch_offset = 1 << 25;
|
if (r_type != R_PPC64_REL24)
|
if (r_type != R_PPC64_REL24)
|
max_branch_offset = 1 << 15;
|
max_branch_offset = 1 << 15;
|
|
|
if (branch_offset + max_branch_offset >= 2 * max_branch_offset)
|
if (branch_offset + max_branch_offset >= 2 * max_branch_offset)
|
/* We need a stub. Figure out whether a long_branch or plt_branch
|
/* We need a stub. Figure out whether a long_branch or plt_branch
|
is needed later. */
|
is needed later. */
|
return ppc_stub_long_branch;
|
return ppc_stub_long_branch;
|
|
|
return ppc_stub_none;
|
return ppc_stub_none;
|
}
|
}
|
|
|
/* Build a .plt call stub. */
|
/* Build a .plt call stub. */
|
|
|
static inline bfd_byte *
|
static inline bfd_byte *
|
build_plt_stub (bfd *obfd, bfd_byte *p, int offset, Elf_Internal_Rela *r)
|
build_plt_stub (bfd *obfd, bfd_byte *p, int offset, Elf_Internal_Rela *r)
|
{
|
{
|
#define PPC_LO(v) ((v) & 0xffff)
|
#define PPC_LO(v) ((v) & 0xffff)
|
#define PPC_HI(v) (((v) >> 16) & 0xffff)
|
#define PPC_HI(v) (((v) >> 16) & 0xffff)
|
#define PPC_HA(v) PPC_HI ((v) + 0x8000)
|
#define PPC_HA(v) PPC_HI ((v) + 0x8000)
|
|
|
if (PPC_HA (offset) != 0)
|
if (PPC_HA (offset) != 0)
|
{
|
{
|
if (r != NULL)
|
if (r != NULL)
|
{
|
{
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_HA);
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_HA);
|
r[1].r_offset = r[0].r_offset + 8;
|
r[1].r_offset = r[0].r_offset + 8;
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[1].r_addend = r[0].r_addend;
|
r[1].r_addend = r[0].r_addend;
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
{
|
{
|
r[2].r_offset = r[1].r_offset + 4;
|
r[2].r_offset = r[1].r_offset + 4;
|
r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO);
|
r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO);
|
r[2].r_addend = r[0].r_addend;
|
r[2].r_addend = r[0].r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
r[2].r_offset = r[1].r_offset + 8;
|
r[2].r_offset = r[1].r_offset + 8;
|
r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[2].r_addend = r[0].r_addend + 8;
|
r[2].r_addend = r[0].r_addend + 8;
|
r[3].r_offset = r[2].r_offset + 4;
|
r[3].r_offset = r[2].r_offset + 4;
|
r[3].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[3].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[3].r_addend = r[0].r_addend + 16;
|
r[3].r_addend = r[0].r_addend + 16;
|
}
|
}
|
}
|
}
|
bfd_put_32 (obfd, ADDIS_R12_R2 | PPC_HA (offset), p), p += 4;
|
bfd_put_32 (obfd, ADDIS_R12_R2 | PPC_HA (offset), p), p += 4;
|
bfd_put_32 (obfd, STD_R2_40R1, p), p += 4;
|
bfd_put_32 (obfd, STD_R2_40R1, p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset), p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset), p), p += 4;
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
{
|
{
|
bfd_put_32 (obfd, ADDI_R12_R12 | PPC_LO (offset), p), p += 4;
|
bfd_put_32 (obfd, ADDI_R12_R12 | PPC_LO (offset), p), p += 4;
|
offset = 0;
|
offset = 0;
|
}
|
}
|
bfd_put_32 (obfd, MTCTR_R11, p), p += 4;
|
bfd_put_32 (obfd, MTCTR_R11, p), p += 4;
|
bfd_put_32 (obfd, LD_R2_0R12 | PPC_LO (offset + 8), p), p += 4;
|
bfd_put_32 (obfd, LD_R2_0R12 | PPC_LO (offset + 8), p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset + 16), p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset + 16), p), p += 4;
|
bfd_put_32 (obfd, BCTR, p), p += 4;
|
bfd_put_32 (obfd, BCTR, p), p += 4;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (r != NULL)
|
if (r != NULL)
|
{
|
{
|
r[0].r_offset += 4;
|
r[0].r_offset += 4;
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
{
|
{
|
r[1].r_offset = r[0].r_offset + 4;
|
r[1].r_offset = r[0].r_offset + 4;
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16);
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16);
|
r[1].r_addend = r[0].r_addend;
|
r[1].r_addend = r[0].r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
r[1].r_offset = r[0].r_offset + 8;
|
r[1].r_offset = r[0].r_offset + 8;
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[1].r_addend = r[0].r_addend + 16;
|
r[1].r_addend = r[0].r_addend + 16;
|
r[2].r_offset = r[1].r_offset + 4;
|
r[2].r_offset = r[1].r_offset + 4;
|
r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[2].r_addend = r[0].r_addend + 8;
|
r[2].r_addend = r[0].r_addend + 8;
|
}
|
}
|
}
|
}
|
bfd_put_32 (obfd, STD_R2_40R1, p), p += 4;
|
bfd_put_32 (obfd, STD_R2_40R1, p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R2 | PPC_LO (offset), p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R2 | PPC_LO (offset), p), p += 4;
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
if (PPC_HA (offset + 16) != PPC_HA (offset))
|
{
|
{
|
bfd_put_32 (obfd, ADDI_R2_R2 | PPC_LO (offset), p), p += 4;
|
bfd_put_32 (obfd, ADDI_R2_R2 | PPC_LO (offset), p), p += 4;
|
offset = 0;
|
offset = 0;
|
}
|
}
|
bfd_put_32 (obfd, MTCTR_R11, p), p += 4;
|
bfd_put_32 (obfd, MTCTR_R11, p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R2 | PPC_LO (offset + 16), p), p += 4;
|
bfd_put_32 (obfd, LD_R11_0R2 | PPC_LO (offset + 16), p), p += 4;
|
bfd_put_32 (obfd, LD_R2_0R2 | PPC_LO (offset + 8), p), p += 4;
|
bfd_put_32 (obfd, LD_R2_0R2 | PPC_LO (offset + 8), p), p += 4;
|
bfd_put_32 (obfd, BCTR, p), p += 4;
|
bfd_put_32 (obfd, BCTR, p), p += 4;
|
}
|
}
|
return p;
|
return p;
|
}
|
}
|
|
|
static Elf_Internal_Rela *
|
static Elf_Internal_Rela *
|
get_relocs (asection *sec, int count)
|
get_relocs (asection *sec, int count)
|
{
|
{
|
Elf_Internal_Rela *relocs;
|
Elf_Internal_Rela *relocs;
|
struct bfd_elf_section_data *elfsec_data;
|
struct bfd_elf_section_data *elfsec_data;
|
|
|
elfsec_data = elf_section_data (sec);
|
elfsec_data = elf_section_data (sec);
|
relocs = elfsec_data->relocs;
|
relocs = elfsec_data->relocs;
|
if (relocs == NULL)
|
if (relocs == NULL)
|
{
|
{
|
bfd_size_type relsize;
|
bfd_size_type relsize;
|
relsize = sec->reloc_count * sizeof (*relocs);
|
relsize = sec->reloc_count * sizeof (*relocs);
|
relocs = bfd_alloc (sec->owner, relsize);
|
relocs = bfd_alloc (sec->owner, relsize);
|
if (relocs == NULL)
|
if (relocs == NULL)
|
return NULL;
|
return NULL;
|
elfsec_data->relocs = relocs;
|
elfsec_data->relocs = relocs;
|
elfsec_data->rel_hdr.sh_size = (sec->reloc_count
|
elfsec_data->rel_hdr.sh_size = (sec->reloc_count
|
* sizeof (Elf64_External_Rela));
|
* sizeof (Elf64_External_Rela));
|
elfsec_data->rel_hdr.sh_entsize = sizeof (Elf64_External_Rela);
|
elfsec_data->rel_hdr.sh_entsize = sizeof (Elf64_External_Rela);
|
sec->reloc_count = 0;
|
sec->reloc_count = 0;
|
}
|
}
|
relocs += sec->reloc_count;
|
relocs += sec->reloc_count;
|
sec->reloc_count += count;
|
sec->reloc_count += count;
|
return relocs;
|
return relocs;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
|
ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
|
{
|
{
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_branch_hash_entry *br_entry;
|
struct ppc_branch_hash_entry *br_entry;
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
bfd_byte *p;
|
bfd_byte *p;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
bfd_vma dest, off;
|
bfd_vma dest, off;
|
int size;
|
int size;
|
Elf_Internal_Rela *r;
|
Elf_Internal_Rela *r;
|
|
|
/* Massage our args to the form they really have. */
|
/* Massage our args to the form they really have. */
|
stub_entry = (struct ppc_stub_hash_entry *) gen_entry;
|
stub_entry = (struct ppc_stub_hash_entry *) gen_entry;
|
info = in_arg;
|
info = in_arg;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
/* Make a note of the offset within the stubs for this entry. */
|
/* Make a note of the offset within the stubs for this entry. */
|
stub_entry->stub_offset = stub_entry->stub_sec->size;
|
stub_entry->stub_offset = stub_entry->stub_sec->size;
|
loc = stub_entry->stub_sec->contents + stub_entry->stub_offset;
|
loc = stub_entry->stub_sec->contents + stub_entry->stub_offset;
|
|
|
htab->stub_count[stub_entry->stub_type - 1] += 1;
|
htab->stub_count[stub_entry->stub_type - 1] += 1;
|
switch (stub_entry->stub_type)
|
switch (stub_entry->stub_type)
|
{
|
{
|
case ppc_stub_long_branch:
|
case ppc_stub_long_branch:
|
case ppc_stub_long_branch_r2off:
|
case ppc_stub_long_branch_r2off:
|
/* Branches are relative. This is where we are going to. */
|
/* Branches are relative. This is where we are going to. */
|
off = dest = (stub_entry->target_value
|
off = dest = (stub_entry->target_value
|
+ stub_entry->target_section->output_offset
|
+ stub_entry->target_section->output_offset
|
+ stub_entry->target_section->output_section->vma);
|
+ stub_entry->target_section->output_section->vma);
|
|
|
/* And this is where we are coming from. */
|
/* And this is where we are coming from. */
|
off -= (stub_entry->stub_offset
|
off -= (stub_entry->stub_offset
|
+ stub_entry->stub_sec->output_offset
|
+ stub_entry->stub_sec->output_offset
|
+ stub_entry->stub_sec->output_section->vma);
|
+ stub_entry->stub_sec->output_section->vma);
|
|
|
size = 4;
|
size = 4;
|
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
|
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
|
{
|
{
|
bfd_vma r2off;
|
bfd_vma r2off;
|
|
|
r2off = (htab->stub_group[stub_entry->target_section->id].toc_off
|
r2off = (htab->stub_group[stub_entry->target_section->id].toc_off
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
bfd_put_32 (htab->stub_bfd, STD_R2_40R1, loc);
|
bfd_put_32 (htab->stub_bfd, STD_R2_40R1, loc);
|
loc += 4;
|
loc += 4;
|
size = 12;
|
size = 12;
|
if (PPC_HA (r2off) != 0)
|
if (PPC_HA (r2off) != 0)
|
{
|
{
|
size = 16;
|
size = 16;
|
bfd_put_32 (htab->stub_bfd, ADDIS_R2_R2 | PPC_HA (r2off), loc);
|
bfd_put_32 (htab->stub_bfd, ADDIS_R2_R2 | PPC_HA (r2off), loc);
|
loc += 4;
|
loc += 4;
|
}
|
}
|
bfd_put_32 (htab->stub_bfd, ADDI_R2_R2 | PPC_LO (r2off), loc);
|
bfd_put_32 (htab->stub_bfd, ADDI_R2_R2 | PPC_LO (r2off), loc);
|
loc += 4;
|
loc += 4;
|
off -= size - 4;
|
off -= size - 4;
|
}
|
}
|
bfd_put_32 (htab->stub_bfd, B_DOT | (off & 0x3fffffc), loc);
|
bfd_put_32 (htab->stub_bfd, B_DOT | (off & 0x3fffffc), loc);
|
|
|
if (off + (1 << 25) >= (bfd_vma) (1 << 26))
|
if (off + (1 << 25) >= (bfd_vma) (1 << 26))
|
{
|
{
|
(*_bfd_error_handler) (_("long branch stub `%s' offset overflow"),
|
(*_bfd_error_handler) (_("long branch stub `%s' offset overflow"),
|
stub_entry->root.string);
|
stub_entry->root.string);
|
htab->stub_error = TRUE;
|
htab->stub_error = TRUE;
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (info->emitrelocations)
|
if (info->emitrelocations)
|
{
|
{
|
r = get_relocs (stub_entry->stub_sec, 1);
|
r = get_relocs (stub_entry->stub_sec, 1);
|
if (r == NULL)
|
if (r == NULL)
|
return FALSE;
|
return FALSE;
|
r->r_offset = loc - stub_entry->stub_sec->contents;
|
r->r_offset = loc - stub_entry->stub_sec->contents;
|
r->r_info = ELF64_R_INFO (0, R_PPC64_REL24);
|
r->r_info = ELF64_R_INFO (0, R_PPC64_REL24);
|
r->r_addend = dest;
|
r->r_addend = dest;
|
if (stub_entry->h != NULL)
|
if (stub_entry->h != NULL)
|
{
|
{
|
struct elf_link_hash_entry **hashes;
|
struct elf_link_hash_entry **hashes;
|
unsigned long symndx;
|
unsigned long symndx;
|
struct ppc_link_hash_entry *h;
|
struct ppc_link_hash_entry *h;
|
|
|
hashes = elf_sym_hashes (htab->stub_bfd);
|
hashes = elf_sym_hashes (htab->stub_bfd);
|
if (hashes == NULL)
|
if (hashes == NULL)
|
{
|
{
|
bfd_size_type hsize;
|
bfd_size_type hsize;
|
|
|
hsize = (htab->stub_globals + 1) * sizeof (*hashes);
|
hsize = (htab->stub_globals + 1) * sizeof (*hashes);
|
hashes = bfd_zalloc (htab->stub_bfd, hsize);
|
hashes = bfd_zalloc (htab->stub_bfd, hsize);
|
if (hashes == NULL)
|
if (hashes == NULL)
|
return FALSE;
|
return FALSE;
|
elf_sym_hashes (htab->stub_bfd) = hashes;
|
elf_sym_hashes (htab->stub_bfd) = hashes;
|
htab->stub_globals = 1;
|
htab->stub_globals = 1;
|
}
|
}
|
symndx = htab->stub_globals++;
|
symndx = htab->stub_globals++;
|
h = stub_entry->h;
|
h = stub_entry->h;
|
hashes[symndx] = &h->elf;
|
hashes[symndx] = &h->elf;
|
r->r_info = ELF64_R_INFO (symndx, R_PPC64_REL24);
|
r->r_info = ELF64_R_INFO (symndx, R_PPC64_REL24);
|
if (h->oh != NULL && h->oh->is_func)
|
if (h->oh != NULL && h->oh->is_func)
|
h = h->oh;
|
h = h->oh;
|
if (h->elf.root.u.def.section != stub_entry->target_section)
|
if (h->elf.root.u.def.section != stub_entry->target_section)
|
/* H is an opd symbol. The addend must be zero. */
|
/* H is an opd symbol. The addend must be zero. */
|
r->r_addend = 0;
|
r->r_addend = 0;
|
else
|
else
|
{
|
{
|
off = (h->elf.root.u.def.value
|
off = (h->elf.root.u.def.value
|
+ h->elf.root.u.def.section->output_offset
|
+ h->elf.root.u.def.section->output_offset
|
+ h->elf.root.u.def.section->output_section->vma);
|
+ h->elf.root.u.def.section->output_section->vma);
|
r->r_addend -= off;
|
r->r_addend -= off;
|
}
|
}
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case ppc_stub_plt_branch:
|
case ppc_stub_plt_branch:
|
case ppc_stub_plt_branch_r2off:
|
case ppc_stub_plt_branch_r2off:
|
br_entry = ppc_branch_hash_lookup (&htab->branch_hash_table,
|
br_entry = ppc_branch_hash_lookup (&htab->branch_hash_table,
|
stub_entry->root.string + 9,
|
stub_entry->root.string + 9,
|
FALSE, FALSE);
|
FALSE, FALSE);
|
if (br_entry == NULL)
|
if (br_entry == NULL)
|
{
|
{
|
(*_bfd_error_handler) (_("can't find branch stub `%s'"),
|
(*_bfd_error_handler) (_("can't find branch stub `%s'"),
|
stub_entry->root.string);
|
stub_entry->root.string);
|
htab->stub_error = TRUE;
|
htab->stub_error = TRUE;
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
dest = (stub_entry->target_value
|
dest = (stub_entry->target_value
|
+ stub_entry->target_section->output_offset
|
+ stub_entry->target_section->output_offset
|
+ stub_entry->target_section->output_section->vma);
|
+ stub_entry->target_section->output_section->vma);
|
|
|
bfd_put_64 (htab->brlt->owner, dest,
|
bfd_put_64 (htab->brlt->owner, dest,
|
htab->brlt->contents + br_entry->offset);
|
htab->brlt->contents + br_entry->offset);
|
|
|
if (br_entry->iter == htab->stub_iteration)
|
if (br_entry->iter == htab->stub_iteration)
|
{
|
{
|
br_entry->iter = 0;
|
br_entry->iter = 0;
|
|
|
if (htab->relbrlt != NULL)
|
if (htab->relbrlt != NULL)
|
{
|
{
|
/* Create a reloc for the branch lookup table entry. */
|
/* Create a reloc for the branch lookup table entry. */
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *rl;
|
bfd_byte *rl;
|
|
|
rela.r_offset = (br_entry->offset
|
rela.r_offset = (br_entry->offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_section->vma);
|
+ htab->brlt->output_section->vma);
|
rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
|
rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
|
rela.r_addend = dest;
|
rela.r_addend = dest;
|
|
|
rl = htab->relbrlt->contents;
|
rl = htab->relbrlt->contents;
|
rl += (htab->relbrlt->reloc_count++
|
rl += (htab->relbrlt->reloc_count++
|
* sizeof (Elf64_External_Rela));
|
* sizeof (Elf64_External_Rela));
|
bfd_elf64_swap_reloca_out (htab->relbrlt->owner, &rela, rl);
|
bfd_elf64_swap_reloca_out (htab->relbrlt->owner, &rela, rl);
|
}
|
}
|
else if (info->emitrelocations)
|
else if (info->emitrelocations)
|
{
|
{
|
r = get_relocs (htab->brlt, 1);
|
r = get_relocs (htab->brlt, 1);
|
if (r == NULL)
|
if (r == NULL)
|
return FALSE;
|
return FALSE;
|
/* brlt, being SEC_LINKER_CREATED does not go through the
|
/* brlt, being SEC_LINKER_CREATED does not go through the
|
normal reloc processing. Symbols and offsets are not
|
normal reloc processing. Symbols and offsets are not
|
translated from input file to output file form, so
|
translated from input file to output file form, so
|
set up the offset per the output file. */
|
set up the offset per the output file. */
|
r->r_offset = (br_entry->offset
|
r->r_offset = (br_entry->offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_section->vma);
|
+ htab->brlt->output_section->vma);
|
r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
|
r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
|
r->r_addend = dest;
|
r->r_addend = dest;
|
}
|
}
|
}
|
}
|
|
|
dest = (br_entry->offset
|
dest = (br_entry->offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_section->vma);
|
+ htab->brlt->output_section->vma);
|
|
|
off = (dest
|
off = (dest
|
- elf_gp (htab->brlt->output_section->owner)
|
- elf_gp (htab->brlt->output_section->owner)
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
|
|
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
|
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("linkage table error against `%s'"),
|
(_("linkage table error against `%s'"),
|
stub_entry->root.string);
|
stub_entry->root.string);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
htab->stub_error = TRUE;
|
htab->stub_error = TRUE;
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (info->emitrelocations)
|
if (info->emitrelocations)
|
{
|
{
|
r = get_relocs (stub_entry->stub_sec, 1 + (PPC_HA (off) != 0));
|
r = get_relocs (stub_entry->stub_sec, 1 + (PPC_HA (off) != 0));
|
if (r == NULL)
|
if (r == NULL)
|
return FALSE;
|
return FALSE;
|
r[0].r_offset = loc - stub_entry->stub_sec->contents;
|
r[0].r_offset = loc - stub_entry->stub_sec->contents;
|
if (stub_entry->stub_type == ppc_stub_plt_branch_r2off)
|
if (stub_entry->stub_type == ppc_stub_plt_branch_r2off)
|
r[0].r_offset += 4;
|
r[0].r_offset += 4;
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
|
r[0].r_addend = dest;
|
r[0].r_addend = dest;
|
if (PPC_HA (off) != 0)
|
if (PPC_HA (off) != 0)
|
{
|
{
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_HA);
|
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_HA);
|
r[1].r_offset = r[0].r_offset + 4;
|
r[1].r_offset = r[0].r_offset + 4;
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS);
|
r[1].r_addend = r[0].r_addend;
|
r[1].r_addend = r[0].r_addend;
|
}
|
}
|
}
|
}
|
|
|
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
|
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
|
{
|
{
|
if (PPC_HA (off) != 0)
|
if (PPC_HA (off) != 0)
|
{
|
{
|
size = 16;
|
size = 16;
|
bfd_put_32 (htab->stub_bfd, ADDIS_R12_R2 | PPC_HA (off), loc);
|
bfd_put_32 (htab->stub_bfd, ADDIS_R12_R2 | PPC_HA (off), loc);
|
loc += 4;
|
loc += 4;
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R12 | PPC_LO (off), loc);
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R12 | PPC_LO (off), loc);
|
}
|
}
|
else
|
else
|
{
|
{
|
size = 12;
|
size = 12;
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R2 | PPC_LO (off), loc);
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R2 | PPC_LO (off), loc);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_vma r2off;
|
bfd_vma r2off;
|
|
|
r2off = (htab->stub_group[stub_entry->target_section->id].toc_off
|
r2off = (htab->stub_group[stub_entry->target_section->id].toc_off
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
bfd_put_32 (htab->stub_bfd, STD_R2_40R1, loc);
|
bfd_put_32 (htab->stub_bfd, STD_R2_40R1, loc);
|
loc += 4;
|
loc += 4;
|
size = 20;
|
size = 20;
|
if (PPC_HA (off) != 0)
|
if (PPC_HA (off) != 0)
|
{
|
{
|
size += 4;
|
size += 4;
|
bfd_put_32 (htab->stub_bfd, ADDIS_R12_R2 | PPC_HA (off), loc);
|
bfd_put_32 (htab->stub_bfd, ADDIS_R12_R2 | PPC_HA (off), loc);
|
loc += 4;
|
loc += 4;
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R12 | PPC_LO (off), loc);
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R12 | PPC_LO (off), loc);
|
loc += 4;
|
loc += 4;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R2 | PPC_LO (off), loc);
|
bfd_put_32 (htab->stub_bfd, LD_R11_0R2 | PPC_LO (off), loc);
|
loc += 4;
|
loc += 4;
|
}
|
}
|
|
|
if (PPC_HA (r2off) != 0)
|
if (PPC_HA (r2off) != 0)
|
{
|
{
|
size += 4;
|
size += 4;
|
bfd_put_32 (htab->stub_bfd, ADDIS_R2_R2 | PPC_HA (r2off), loc);
|
bfd_put_32 (htab->stub_bfd, ADDIS_R2_R2 | PPC_HA (r2off), loc);
|
loc += 4;
|
loc += 4;
|
}
|
}
|
bfd_put_32 (htab->stub_bfd, ADDI_R2_R2 | PPC_LO (r2off), loc);
|
bfd_put_32 (htab->stub_bfd, ADDI_R2_R2 | PPC_LO (r2off), loc);
|
}
|
}
|
loc += 4;
|
loc += 4;
|
bfd_put_32 (htab->stub_bfd, MTCTR_R11, loc);
|
bfd_put_32 (htab->stub_bfd, MTCTR_R11, loc);
|
loc += 4;
|
loc += 4;
|
bfd_put_32 (htab->stub_bfd, BCTR, loc);
|
bfd_put_32 (htab->stub_bfd, BCTR, loc);
|
break;
|
break;
|
|
|
case ppc_stub_plt_call:
|
case ppc_stub_plt_call:
|
/* Do the best we can for shared libraries built without
|
/* Do the best we can for shared libraries built without
|
exporting ".foo" for each "foo". This can happen when symbol
|
exporting ".foo" for each "foo". This can happen when symbol
|
versioning scripts strip all bar a subset of symbols. */
|
versioning scripts strip all bar a subset of symbols. */
|
if (stub_entry->h->oh != NULL
|
if (stub_entry->h->oh != NULL
|
&& stub_entry->h->oh->elf.root.type != bfd_link_hash_defined
|
&& stub_entry->h->oh->elf.root.type != bfd_link_hash_defined
|
&& stub_entry->h->oh->elf.root.type != bfd_link_hash_defweak)
|
&& stub_entry->h->oh->elf.root.type != bfd_link_hash_defweak)
|
{
|
{
|
/* Point the symbol at the stub. There may be multiple stubs,
|
/* Point the symbol at the stub. There may be multiple stubs,
|
we don't really care; The main thing is to make this sym
|
we don't really care; The main thing is to make this sym
|
defined somewhere. Maybe defining the symbol in the stub
|
defined somewhere. Maybe defining the symbol in the stub
|
section is a silly idea. If we didn't do this, htab->top_id
|
section is a silly idea. If we didn't do this, htab->top_id
|
could disappear. */
|
could disappear. */
|
stub_entry->h->oh->elf.root.type = bfd_link_hash_defined;
|
stub_entry->h->oh->elf.root.type = bfd_link_hash_defined;
|
stub_entry->h->oh->elf.root.u.def.section = stub_entry->stub_sec;
|
stub_entry->h->oh->elf.root.u.def.section = stub_entry->stub_sec;
|
stub_entry->h->oh->elf.root.u.def.value = stub_entry->stub_offset;
|
stub_entry->h->oh->elf.root.u.def.value = stub_entry->stub_offset;
|
}
|
}
|
|
|
/* Now build the stub. */
|
/* Now build the stub. */
|
dest = (bfd_vma) -1;
|
dest = (bfd_vma) -1;
|
for (ent = stub_entry->h->elf.plt.plist; ent != NULL; ent = ent->next)
|
for (ent = stub_entry->h->elf.plt.plist; ent != NULL; ent = ent->next)
|
if (ent->addend == stub_entry->addend)
|
if (ent->addend == stub_entry->addend)
|
{
|
{
|
dest = ent->plt.offset;
|
dest = ent->plt.offset;
|
break;
|
break;
|
}
|
}
|
if (dest >= (bfd_vma) -2)
|
if (dest >= (bfd_vma) -2)
|
abort ();
|
abort ();
|
|
|
dest &= ~ (bfd_vma) 1;
|
dest &= ~ (bfd_vma) 1;
|
dest += (htab->plt->output_offset
|
dest += (htab->plt->output_offset
|
+ htab->plt->output_section->vma);
|
+ htab->plt->output_section->vma);
|
|
|
off = (dest
|
off = (dest
|
- elf_gp (htab->plt->output_section->owner)
|
- elf_gp (htab->plt->output_section->owner)
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
|
|
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
|
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("linkage table error against `%s'"),
|
(_("linkage table error against `%s'"),
|
stub_entry->h->elf.root.root.string);
|
stub_entry->h->elf.root.root.string);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
htab->stub_error = TRUE;
|
htab->stub_error = TRUE;
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
r = NULL;
|
r = NULL;
|
if (info->emitrelocations)
|
if (info->emitrelocations)
|
{
|
{
|
r = get_relocs (stub_entry->stub_sec,
|
r = get_relocs (stub_entry->stub_sec,
|
(2 + (PPC_HA (off) != 0)
|
(2 + (PPC_HA (off) != 0)
|
+ (PPC_HA (off + 16) == PPC_HA (off))));
|
+ (PPC_HA (off + 16) == PPC_HA (off))));
|
if (r == NULL)
|
if (r == NULL)
|
return FALSE;
|
return FALSE;
|
r[0].r_offset = loc - stub_entry->stub_sec->contents;
|
r[0].r_offset = loc - stub_entry->stub_sec->contents;
|
r[0].r_addend = dest;
|
r[0].r_addend = dest;
|
}
|
}
|
p = build_plt_stub (htab->stub_bfd, loc, off, r);
|
p = build_plt_stub (htab->stub_bfd, loc, off, r);
|
size = p - loc;
|
size = p - loc;
|
break;
|
break;
|
|
|
default:
|
default:
|
BFD_FAIL ();
|
BFD_FAIL ();
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
stub_entry->stub_sec->size += size;
|
stub_entry->stub_sec->size += size;
|
|
|
if (htab->emit_stub_syms)
|
if (htab->emit_stub_syms)
|
{
|
{
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
size_t len1, len2;
|
size_t len1, len2;
|
char *name;
|
char *name;
|
const char *const stub_str[] = { "long_branch",
|
const char *const stub_str[] = { "long_branch",
|
"long_branch_r2off",
|
"long_branch_r2off",
|
"plt_branch",
|
"plt_branch",
|
"plt_branch_r2off",
|
"plt_branch_r2off",
|
"plt_call" };
|
"plt_call" };
|
|
|
len1 = strlen (stub_str[stub_entry->stub_type - 1]);
|
len1 = strlen (stub_str[stub_entry->stub_type - 1]);
|
len2 = strlen (stub_entry->root.string);
|
len2 = strlen (stub_entry->root.string);
|
name = bfd_malloc (len1 + len2 + 2);
|
name = bfd_malloc (len1 + len2 + 2);
|
if (name == NULL)
|
if (name == NULL)
|
return FALSE;
|
return FALSE;
|
memcpy (name, stub_entry->root.string, 9);
|
memcpy (name, stub_entry->root.string, 9);
|
memcpy (name + 9, stub_str[stub_entry->stub_type - 1], len1);
|
memcpy (name + 9, stub_str[stub_entry->stub_type - 1], len1);
|
memcpy (name + len1 + 9, stub_entry->root.string + 8, len2 - 8 + 1);
|
memcpy (name + len1 + 9, stub_entry->root.string + 8, len2 - 8 + 1);
|
h = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
|
h = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
|
if (h == NULL)
|
if (h == NULL)
|
return FALSE;
|
return FALSE;
|
if (h->root.type == bfd_link_hash_new)
|
if (h->root.type == bfd_link_hash_new)
|
{
|
{
|
h->root.type = bfd_link_hash_defined;
|
h->root.type = bfd_link_hash_defined;
|
h->root.u.def.section = stub_entry->stub_sec;
|
h->root.u.def.section = stub_entry->stub_sec;
|
h->root.u.def.value = stub_entry->stub_offset;
|
h->root.u.def.value = stub_entry->stub_offset;
|
h->ref_regular = 1;
|
h->ref_regular = 1;
|
h->def_regular = 1;
|
h->def_regular = 1;
|
h->ref_regular_nonweak = 1;
|
h->ref_regular_nonweak = 1;
|
h->forced_local = 1;
|
h->forced_local = 1;
|
h->non_elf = 0;
|
h->non_elf = 0;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* As above, but don't actually build the stub. Just bump offset so
|
/* As above, but don't actually build the stub. Just bump offset so
|
we know stub section sizes, and select plt_branch stubs where
|
we know stub section sizes, and select plt_branch stubs where
|
long_branch stubs won't do. */
|
long_branch stubs won't do. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
|
ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
|
{
|
{
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_stub_hash_entry *stub_entry;
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
bfd_vma off;
|
bfd_vma off;
|
int size;
|
int size;
|
|
|
/* Massage our args to the form they really have. */
|
/* Massage our args to the form they really have. */
|
stub_entry = (struct ppc_stub_hash_entry *) gen_entry;
|
stub_entry = (struct ppc_stub_hash_entry *) gen_entry;
|
info = in_arg;
|
info = in_arg;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
if (stub_entry->stub_type == ppc_stub_plt_call)
|
if (stub_entry->stub_type == ppc_stub_plt_call)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
off = (bfd_vma) -1;
|
off = (bfd_vma) -1;
|
for (ent = stub_entry->h->elf.plt.plist; ent != NULL; ent = ent->next)
|
for (ent = stub_entry->h->elf.plt.plist; ent != NULL; ent = ent->next)
|
if (ent->addend == stub_entry->addend)
|
if (ent->addend == stub_entry->addend)
|
{
|
{
|
off = ent->plt.offset & ~(bfd_vma) 1;
|
off = ent->plt.offset & ~(bfd_vma) 1;
|
break;
|
break;
|
}
|
}
|
if (off >= (bfd_vma) -2)
|
if (off >= (bfd_vma) -2)
|
abort ();
|
abort ();
|
off += (htab->plt->output_offset
|
off += (htab->plt->output_offset
|
+ htab->plt->output_section->vma
|
+ htab->plt->output_section->vma
|
- elf_gp (htab->plt->output_section->owner)
|
- elf_gp (htab->plt->output_section->owner)
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
|
|
size = PLT_CALL_STUB_SIZE;
|
size = PLT_CALL_STUB_SIZE;
|
if (PPC_HA (off) == 0)
|
if (PPC_HA (off) == 0)
|
size -= 4;
|
size -= 4;
|
if (PPC_HA (off + 16) != PPC_HA (off))
|
if (PPC_HA (off + 16) != PPC_HA (off))
|
size += 4;
|
size += 4;
|
if (info->emitrelocations)
|
if (info->emitrelocations)
|
{
|
{
|
stub_entry->stub_sec->reloc_count
|
stub_entry->stub_sec->reloc_count
|
+= 2 + (PPC_HA (off) != 0) + (PPC_HA (off + 16) == PPC_HA (off));
|
+= 2 + (PPC_HA (off) != 0) + (PPC_HA (off + 16) == PPC_HA (off));
|
stub_entry->stub_sec->flags |= SEC_RELOC;
|
stub_entry->stub_sec->flags |= SEC_RELOC;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* ppc_stub_long_branch or ppc_stub_plt_branch, or their r2off
|
/* ppc_stub_long_branch or ppc_stub_plt_branch, or their r2off
|
variants. */
|
variants. */
|
bfd_vma r2off = 0;
|
bfd_vma r2off = 0;
|
|
|
off = (stub_entry->target_value
|
off = (stub_entry->target_value
|
+ stub_entry->target_section->output_offset
|
+ stub_entry->target_section->output_offset
|
+ stub_entry->target_section->output_section->vma);
|
+ stub_entry->target_section->output_section->vma);
|
off -= (stub_entry->stub_sec->size
|
off -= (stub_entry->stub_sec->size
|
+ stub_entry->stub_sec->output_offset
|
+ stub_entry->stub_sec->output_offset
|
+ stub_entry->stub_sec->output_section->vma);
|
+ stub_entry->stub_sec->output_section->vma);
|
|
|
/* Reset the stub type from the plt variant in case we now
|
/* Reset the stub type from the plt variant in case we now
|
can reach with a shorter stub. */
|
can reach with a shorter stub. */
|
if (stub_entry->stub_type >= ppc_stub_plt_branch)
|
if (stub_entry->stub_type >= ppc_stub_plt_branch)
|
stub_entry->stub_type += ppc_stub_long_branch - ppc_stub_plt_branch;
|
stub_entry->stub_type += ppc_stub_long_branch - ppc_stub_plt_branch;
|
|
|
size = 4;
|
size = 4;
|
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
|
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
|
{
|
{
|
r2off = (htab->stub_group[stub_entry->target_section->id].toc_off
|
r2off = (htab->stub_group[stub_entry->target_section->id].toc_off
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
size = 12;
|
size = 12;
|
if (PPC_HA (r2off) != 0)
|
if (PPC_HA (r2off) != 0)
|
size = 16;
|
size = 16;
|
off -= size - 4;
|
off -= size - 4;
|
}
|
}
|
|
|
/* If the branch offset if too big, use a ppc_stub_plt_branch. */
|
/* If the branch offset if too big, use a ppc_stub_plt_branch. */
|
if (off + (1 << 25) >= (bfd_vma) (1 << 26))
|
if (off + (1 << 25) >= (bfd_vma) (1 << 26))
|
{
|
{
|
struct ppc_branch_hash_entry *br_entry;
|
struct ppc_branch_hash_entry *br_entry;
|
|
|
br_entry = ppc_branch_hash_lookup (&htab->branch_hash_table,
|
br_entry = ppc_branch_hash_lookup (&htab->branch_hash_table,
|
stub_entry->root.string + 9,
|
stub_entry->root.string + 9,
|
TRUE, FALSE);
|
TRUE, FALSE);
|
if (br_entry == NULL)
|
if (br_entry == NULL)
|
{
|
{
|
(*_bfd_error_handler) (_("can't build branch stub `%s'"),
|
(*_bfd_error_handler) (_("can't build branch stub `%s'"),
|
stub_entry->root.string);
|
stub_entry->root.string);
|
htab->stub_error = TRUE;
|
htab->stub_error = TRUE;
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (br_entry->iter != htab->stub_iteration)
|
if (br_entry->iter != htab->stub_iteration)
|
{
|
{
|
br_entry->iter = htab->stub_iteration;
|
br_entry->iter = htab->stub_iteration;
|
br_entry->offset = htab->brlt->size;
|
br_entry->offset = htab->brlt->size;
|
htab->brlt->size += 8;
|
htab->brlt->size += 8;
|
|
|
if (htab->relbrlt != NULL)
|
if (htab->relbrlt != NULL)
|
htab->relbrlt->size += sizeof (Elf64_External_Rela);
|
htab->relbrlt->size += sizeof (Elf64_External_Rela);
|
else if (info->emitrelocations)
|
else if (info->emitrelocations)
|
{
|
{
|
htab->brlt->reloc_count += 1;
|
htab->brlt->reloc_count += 1;
|
htab->brlt->flags |= SEC_RELOC;
|
htab->brlt->flags |= SEC_RELOC;
|
}
|
}
|
}
|
}
|
|
|
stub_entry->stub_type += ppc_stub_plt_branch - ppc_stub_long_branch;
|
stub_entry->stub_type += ppc_stub_plt_branch - ppc_stub_long_branch;
|
off = (br_entry->offset
|
off = (br_entry->offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_offset
|
+ htab->brlt->output_section->vma
|
+ htab->brlt->output_section->vma
|
- elf_gp (htab->brlt->output_section->owner)
|
- elf_gp (htab->brlt->output_section->owner)
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
- htab->stub_group[stub_entry->id_sec->id].toc_off);
|
|
|
if (info->emitrelocations)
|
if (info->emitrelocations)
|
{
|
{
|
stub_entry->stub_sec->reloc_count += 1 + (PPC_HA (off) != 0);
|
stub_entry->stub_sec->reloc_count += 1 + (PPC_HA (off) != 0);
|
stub_entry->stub_sec->flags |= SEC_RELOC;
|
stub_entry->stub_sec->flags |= SEC_RELOC;
|
}
|
}
|
|
|
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
|
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
|
{
|
{
|
size = 12;
|
size = 12;
|
if (PPC_HA (off) != 0)
|
if (PPC_HA (off) != 0)
|
size = 16;
|
size = 16;
|
}
|
}
|
else
|
else
|
{
|
{
|
size = 20;
|
size = 20;
|
if (PPC_HA (off) != 0)
|
if (PPC_HA (off) != 0)
|
size += 4;
|
size += 4;
|
|
|
if (PPC_HA (r2off) != 0)
|
if (PPC_HA (r2off) != 0)
|
size += 4;
|
size += 4;
|
}
|
}
|
}
|
}
|
else if (info->emitrelocations)
|
else if (info->emitrelocations)
|
{
|
{
|
stub_entry->stub_sec->reloc_count += 1;
|
stub_entry->stub_sec->reloc_count += 1;
|
stub_entry->stub_sec->flags |= SEC_RELOC;
|
stub_entry->stub_sec->flags |= SEC_RELOC;
|
}
|
}
|
}
|
}
|
|
|
stub_entry->stub_sec->size += size;
|
stub_entry->stub_sec->size += size;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set up various things so that we can make a list of input sections
|
/* Set up various things so that we can make a list of input sections
|
for each output section included in the link. Returns -1 on error,
|
for each output section included in the link. Returns -1 on error,
|
0 when no stubs will be needed, and 1 on success. */
|
0 when no stubs will be needed, and 1 on success. */
|
|
|
int
|
int
|
ppc64_elf_setup_section_lists (bfd *output_bfd,
|
ppc64_elf_setup_section_lists (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
int no_multi_toc)
|
int no_multi_toc)
|
{
|
{
|
bfd *input_bfd;
|
bfd *input_bfd;
|
int top_id, top_index, id;
|
int top_id, top_index, id;
|
asection *section;
|
asection *section;
|
asection **input_list;
|
asection **input_list;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
|
|
htab->no_multi_toc = no_multi_toc;
|
htab->no_multi_toc = no_multi_toc;
|
|
|
if (htab->brlt == NULL)
|
if (htab->brlt == NULL)
|
return 0;
|
return 0;
|
|
|
/* Find the top input section id. */
|
/* Find the top input section id. */
|
for (input_bfd = info->input_bfds, top_id = 3;
|
for (input_bfd = info->input_bfds, top_id = 3;
|
input_bfd != NULL;
|
input_bfd != NULL;
|
input_bfd = input_bfd->link_next)
|
input_bfd = input_bfd->link_next)
|
{
|
{
|
for (section = input_bfd->sections;
|
for (section = input_bfd->sections;
|
section != NULL;
|
section != NULL;
|
section = section->next)
|
section = section->next)
|
{
|
{
|
if (top_id < section->id)
|
if (top_id < section->id)
|
top_id = section->id;
|
top_id = section->id;
|
}
|
}
|
}
|
}
|
|
|
htab->top_id = top_id;
|
htab->top_id = top_id;
|
amt = sizeof (struct map_stub) * (top_id + 1);
|
amt = sizeof (struct map_stub) * (top_id + 1);
|
htab->stub_group = bfd_zmalloc (amt);
|
htab->stub_group = bfd_zmalloc (amt);
|
if (htab->stub_group == NULL)
|
if (htab->stub_group == NULL)
|
return -1;
|
return -1;
|
|
|
/* Set toc_off for com, und, abs and ind sections. */
|
/* Set toc_off for com, und, abs and ind sections. */
|
for (id = 0; id < 3; id++)
|
for (id = 0; id < 3; id++)
|
htab->stub_group[id].toc_off = TOC_BASE_OFF;
|
htab->stub_group[id].toc_off = TOC_BASE_OFF;
|
|
|
elf_gp (output_bfd) = htab->toc_curr = ppc64_elf_toc (output_bfd);
|
elf_gp (output_bfd) = htab->toc_curr = ppc64_elf_toc (output_bfd);
|
|
|
/* We can't use output_bfd->section_count here to find the top output
|
/* We can't use output_bfd->section_count here to find the top output
|
section index as some sections may have been removed, and
|
section index as some sections may have been removed, and
|
strip_excluded_output_sections doesn't renumber the indices. */
|
strip_excluded_output_sections doesn't renumber the indices. */
|
for (section = output_bfd->sections, top_index = 0;
|
for (section = output_bfd->sections, top_index = 0;
|
section != NULL;
|
section != NULL;
|
section = section->next)
|
section = section->next)
|
{
|
{
|
if (top_index < section->index)
|
if (top_index < section->index)
|
top_index = section->index;
|
top_index = section->index;
|
}
|
}
|
|
|
htab->top_index = top_index;
|
htab->top_index = top_index;
|
amt = sizeof (asection *) * (top_index + 1);
|
amt = sizeof (asection *) * (top_index + 1);
|
input_list = bfd_zmalloc (amt);
|
input_list = bfd_zmalloc (amt);
|
htab->input_list = input_list;
|
htab->input_list = input_list;
|
if (input_list == NULL)
|
if (input_list == NULL)
|
return -1;
|
return -1;
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* The linker repeatedly calls this function for each TOC input section
|
/* The linker repeatedly calls this function for each TOC input section
|
and linker generated GOT section. Group input bfds such that the toc
|
and linker generated GOT section. Group input bfds such that the toc
|
within a group is less than 64k in size. Will break with cute linker
|
within a group is less than 64k in size. Will break with cute linker
|
scripts that play games with dot in the output toc section. */
|
scripts that play games with dot in the output toc section. */
|
|
|
void
|
void
|
ppc64_elf_next_toc_section (struct bfd_link_info *info, asection *isec)
|
ppc64_elf_next_toc_section (struct bfd_link_info *info, asection *isec)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
|
|
if (!htab->no_multi_toc)
|
if (!htab->no_multi_toc)
|
{
|
{
|
bfd_vma addr = isec->output_offset + isec->output_section->vma;
|
bfd_vma addr = isec->output_offset + isec->output_section->vma;
|
bfd_vma off = addr - htab->toc_curr;
|
bfd_vma off = addr - htab->toc_curr;
|
|
|
if (off + isec->size > 0x10000)
|
if (off + isec->size > 0x10000)
|
htab->toc_curr = addr;
|
htab->toc_curr = addr;
|
|
|
elf_gp (isec->owner) = (htab->toc_curr
|
elf_gp (isec->owner) = (htab->toc_curr
|
- elf_gp (isec->output_section->owner)
|
- elf_gp (isec->output_section->owner)
|
+ TOC_BASE_OFF);
|
+ TOC_BASE_OFF);
|
}
|
}
|
}
|
}
|
|
|
/* Called after the last call to the above function. */
|
/* Called after the last call to the above function. */
|
|
|
void
|
void
|
ppc64_elf_reinit_toc (bfd *output_bfd, struct bfd_link_info *info)
|
ppc64_elf_reinit_toc (bfd *output_bfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
|
|
htab->multi_toc_needed = htab->toc_curr != elf_gp (output_bfd);
|
htab->multi_toc_needed = htab->toc_curr != elf_gp (output_bfd);
|
|
|
/* toc_curr tracks the TOC offset used for code sections below in
|
/* toc_curr tracks the TOC offset used for code sections below in
|
ppc64_elf_next_input_section. Start off at 0x8000. */
|
ppc64_elf_next_input_section. Start off at 0x8000. */
|
htab->toc_curr = TOC_BASE_OFF;
|
htab->toc_curr = TOC_BASE_OFF;
|
}
|
}
|
|
|
/* No toc references were found in ISEC. If the code in ISEC makes no
|
/* No toc references were found in ISEC. If the code in ISEC makes no
|
calls, then there's no need to use toc adjusting stubs when branching
|
calls, then there's no need to use toc adjusting stubs when branching
|
into ISEC. Actually, indirect calls from ISEC are OK as they will
|
into ISEC. Actually, indirect calls from ISEC are OK as they will
|
load r2. Returns -1 on error, 0 for no stub needed, 1 for stub
|
load r2. Returns -1 on error, 0 for no stub needed, 1 for stub
|
needed, and 2 if a cyclical call-graph was found but no other reason
|
needed, and 2 if a cyclical call-graph was found but no other reason
|
for a stub was detected. If called from the top level, a return of
|
for a stub was detected. If called from the top level, a return of
|
2 means the same as a return of 0. */
|
2 means the same as a return of 0. */
|
|
|
static int
|
static int
|
toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
|
toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
|
{
|
{
|
Elf_Internal_Rela *relstart, *rel;
|
Elf_Internal_Rela *relstart, *rel;
|
Elf_Internal_Sym *local_syms;
|
Elf_Internal_Sym *local_syms;
|
int ret;
|
int ret;
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
|
|
/* We know none of our code bearing sections will need toc stubs. */
|
/* We know none of our code bearing sections will need toc stubs. */
|
if ((isec->flags & SEC_LINKER_CREATED) != 0)
|
if ((isec->flags & SEC_LINKER_CREATED) != 0)
|
return 0;
|
return 0;
|
|
|
if (isec->size == 0)
|
if (isec->size == 0)
|
return 0;
|
return 0;
|
|
|
if (isec->output_section == NULL)
|
if (isec->output_section == NULL)
|
return 0;
|
return 0;
|
|
|
if (isec->reloc_count == 0)
|
if (isec->reloc_count == 0)
|
return 0;
|
return 0;
|
|
|
relstart = _bfd_elf_link_read_relocs (isec->owner, isec, NULL, NULL,
|
relstart = _bfd_elf_link_read_relocs (isec->owner, isec, NULL, NULL,
|
info->keep_memory);
|
info->keep_memory);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
return -1;
|
return -1;
|
|
|
/* Look for branches to outside of this section. */
|
/* Look for branches to outside of this section. */
|
local_syms = NULL;
|
local_syms = NULL;
|
ret = 0;
|
ret = 0;
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
for (rel = relstart; rel < relstart + isec->reloc_count; ++rel)
|
for (rel = relstart; rel < relstart + isec->reloc_count; ++rel)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sym_sec;
|
asection *sym_sec;
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
bfd_vma sym_value;
|
bfd_vma sym_value;
|
bfd_vma dest;
|
bfd_vma dest;
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
if (r_type != R_PPC64_REL24
|
if (r_type != R_PPC64_REL24
|
&& r_type != R_PPC64_REL14
|
&& r_type != R_PPC64_REL14
|
&& r_type != R_PPC64_REL14_BRTAKEN
|
&& r_type != R_PPC64_REL14_BRTAKEN
|
&& r_type != R_PPC64_REL14_BRNTAKEN)
|
&& r_type != R_PPC64_REL14_BRNTAKEN)
|
continue;
|
continue;
|
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms, r_symndx,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms, r_symndx,
|
isec->owner))
|
isec->owner))
|
{
|
{
|
ret = -1;
|
ret = -1;
|
break;
|
break;
|
}
|
}
|
|
|
/* Calls to dynamic lib functions go through a plt call stub
|
/* Calls to dynamic lib functions go through a plt call stub
|
that uses r2. Branches to undefined symbols might be a call
|
that uses r2. Branches to undefined symbols might be a call
|
using old-style dot symbols that can be satisfied by a plt
|
using old-style dot symbols that can be satisfied by a plt
|
call into a new-style dynamic library. */
|
call into a new-style dynamic library. */
|
if (sym_sec == NULL)
|
if (sym_sec == NULL)
|
{
|
{
|
struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) h;
|
struct ppc_link_hash_entry *eh = (struct ppc_link_hash_entry *) h;
|
if (eh != NULL
|
if (eh != NULL
|
&& eh->oh != NULL
|
&& eh->oh != NULL
|
&& eh->oh->elf.plt.plist != NULL)
|
&& eh->oh->elf.plt.plist != NULL)
|
{
|
{
|
ret = 1;
|
ret = 1;
|
break;
|
break;
|
}
|
}
|
|
|
/* Ignore other undefined symbols. */
|
/* Ignore other undefined symbols. */
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Assume branches to other sections not included in the link need
|
/* Assume branches to other sections not included in the link need
|
stubs too, to cover -R and absolute syms. */
|
stubs too, to cover -R and absolute syms. */
|
if (sym_sec->output_section == NULL)
|
if (sym_sec->output_section == NULL)
|
{
|
{
|
ret = 1;
|
ret = 1;
|
break;
|
break;
|
}
|
}
|
|
|
if (h == NULL)
|
if (h == NULL)
|
sym_value = sym->st_value;
|
sym_value = sym->st_value;
|
else
|
else
|
{
|
{
|
if (h->root.type != bfd_link_hash_defined
|
if (h->root.type != bfd_link_hash_defined
|
&& h->root.type != bfd_link_hash_defweak)
|
&& h->root.type != bfd_link_hash_defweak)
|
abort ();
|
abort ();
|
sym_value = h->root.u.def.value;
|
sym_value = h->root.u.def.value;
|
}
|
}
|
sym_value += rel->r_addend;
|
sym_value += rel->r_addend;
|
|
|
/* If this branch reloc uses an opd sym, find the code section. */
|
/* If this branch reloc uses an opd sym, find the code section. */
|
opd = get_opd_info (sym_sec);
|
opd = get_opd_info (sym_sec);
|
if (opd != NULL)
|
if (opd != NULL)
|
{
|
{
|
if (h == NULL && opd->adjust != NULL)
|
if (h == NULL && opd->adjust != NULL)
|
{
|
{
|
long adjust;
|
long adjust;
|
|
|
adjust = opd->adjust[sym->st_value / 8];
|
adjust = opd->adjust[sym->st_value / 8];
|
if (adjust == -1)
|
if (adjust == -1)
|
/* Assume deleted functions won't ever be called. */
|
/* Assume deleted functions won't ever be called. */
|
continue;
|
continue;
|
sym_value += adjust;
|
sym_value += adjust;
|
}
|
}
|
|
|
dest = opd_entry_value (sym_sec, sym_value, &sym_sec, NULL);
|
dest = opd_entry_value (sym_sec, sym_value, &sym_sec, NULL);
|
if (dest == (bfd_vma) -1)
|
if (dest == (bfd_vma) -1)
|
continue;
|
continue;
|
}
|
}
|
else
|
else
|
dest = (sym_value
|
dest = (sym_value
|
+ sym_sec->output_offset
|
+ sym_sec->output_offset
|
+ sym_sec->output_section->vma);
|
+ sym_sec->output_section->vma);
|
|
|
/* Ignore branch to self. */
|
/* Ignore branch to self. */
|
if (sym_sec == isec)
|
if (sym_sec == isec)
|
continue;
|
continue;
|
|
|
/* If the called function uses the toc, we need a stub. */
|
/* If the called function uses the toc, we need a stub. */
|
if (sym_sec->has_toc_reloc
|
if (sym_sec->has_toc_reloc
|
|| sym_sec->makes_toc_func_call)
|
|| sym_sec->makes_toc_func_call)
|
{
|
{
|
ret = 1;
|
ret = 1;
|
break;
|
break;
|
}
|
}
|
|
|
/* Assume any branch that needs a long branch stub might in fact
|
/* Assume any branch that needs a long branch stub might in fact
|
need a plt_branch stub. A plt_branch stub uses r2. */
|
need a plt_branch stub. A plt_branch stub uses r2. */
|
else if (dest - (isec->output_offset
|
else if (dest - (isec->output_offset
|
+ isec->output_section->vma
|
+ isec->output_section->vma
|
+ rel->r_offset) + (1 << 25) >= (2 << 25))
|
+ rel->r_offset) + (1 << 25) >= (2 << 25))
|
{
|
{
|
ret = 1;
|
ret = 1;
|
break;
|
break;
|
}
|
}
|
|
|
/* If calling back to a section in the process of being tested, we
|
/* If calling back to a section in the process of being tested, we
|
can't say for sure that no toc adjusting stubs are needed, so
|
can't say for sure that no toc adjusting stubs are needed, so
|
don't return zero. */
|
don't return zero. */
|
else if (sym_sec->call_check_in_progress)
|
else if (sym_sec->call_check_in_progress)
|
ret = 2;
|
ret = 2;
|
|
|
/* Branches to another section that itself doesn't have any TOC
|
/* Branches to another section that itself doesn't have any TOC
|
references are OK. Recursively call ourselves to check. */
|
references are OK. Recursively call ourselves to check. */
|
else if (sym_sec->id <= htab->top_id
|
else if (sym_sec->id <= htab->top_id
|
&& htab->stub_group[sym_sec->id].toc_off == 0)
|
&& htab->stub_group[sym_sec->id].toc_off == 0)
|
{
|
{
|
int recur;
|
int recur;
|
|
|
/* Mark current section as indeterminate, so that other
|
/* Mark current section as indeterminate, so that other
|
sections that call back to current won't be marked as
|
sections that call back to current won't be marked as
|
known. */
|
known. */
|
isec->call_check_in_progress = 1;
|
isec->call_check_in_progress = 1;
|
recur = toc_adjusting_stub_needed (info, sym_sec);
|
recur = toc_adjusting_stub_needed (info, sym_sec);
|
isec->call_check_in_progress = 0;
|
isec->call_check_in_progress = 0;
|
|
|
if (recur < 0)
|
if (recur < 0)
|
{
|
{
|
/* An error. Exit. */
|
/* An error. Exit. */
|
ret = -1;
|
ret = -1;
|
break;
|
break;
|
}
|
}
|
else if (recur <= 1)
|
else if (recur <= 1)
|
{
|
{
|
/* Known result. Mark as checked and set section flag. */
|
/* Known result. Mark as checked and set section flag. */
|
htab->stub_group[sym_sec->id].toc_off = 1;
|
htab->stub_group[sym_sec->id].toc_off = 1;
|
if (recur != 0)
|
if (recur != 0)
|
{
|
{
|
sym_sec->makes_toc_func_call = 1;
|
sym_sec->makes_toc_func_call = 1;
|
ret = 1;
|
ret = 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Unknown result. Continue checking. */
|
/* Unknown result. Continue checking. */
|
ret = 2;
|
ret = 2;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& (elf_symtab_hdr (isec->owner).contents != (unsigned char *) local_syms))
|
&& (elf_symtab_hdr (isec->owner).contents != (unsigned char *) local_syms))
|
free (local_syms);
|
free (local_syms);
|
if (elf_section_data (isec)->relocs != relstart)
|
if (elf_section_data (isec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* The linker repeatedly calls this function for each input section,
|
/* The linker repeatedly calls this function for each input section,
|
in the order that input sections are linked into output sections.
|
in the order that input sections are linked into output sections.
|
Build lists of input sections to determine groupings between which
|
Build lists of input sections to determine groupings between which
|
we may insert linker stubs. */
|
we may insert linker stubs. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc64_elf_next_input_section (struct bfd_link_info *info, asection *isec)
|
ppc64_elf_next_input_section (struct bfd_link_info *info, asection *isec)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
|
|
if ((isec->output_section->flags & SEC_CODE) != 0
|
if ((isec->output_section->flags & SEC_CODE) != 0
|
&& isec->output_section->index <= htab->top_index)
|
&& isec->output_section->index <= htab->top_index)
|
{
|
{
|
asection **list = htab->input_list + isec->output_section->index;
|
asection **list = htab->input_list + isec->output_section->index;
|
/* Steal the link_sec pointer for our list. */
|
/* Steal the link_sec pointer for our list. */
|
#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
|
#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
|
/* This happens to make the list in reverse order,
|
/* This happens to make the list in reverse order,
|
which is what we want. */
|
which is what we want. */
|
PREV_SEC (isec) = *list;
|
PREV_SEC (isec) = *list;
|
*list = isec;
|
*list = isec;
|
}
|
}
|
|
|
if (htab->multi_toc_needed)
|
if (htab->multi_toc_needed)
|
{
|
{
|
/* If a code section has a function that uses the TOC then we need
|
/* If a code section has a function that uses the TOC then we need
|
to use the right TOC (obviously). Also, make sure that .opd gets
|
to use the right TOC (obviously). Also, make sure that .opd gets
|
the correct TOC value for R_PPC64_TOC relocs that don't have or
|
the correct TOC value for R_PPC64_TOC relocs that don't have or
|
can't find their function symbol (shouldn't ever happen now).
|
can't find their function symbol (shouldn't ever happen now).
|
Also specially treat .fixup for the linux kernel. .fixup
|
Also specially treat .fixup for the linux kernel. .fixup
|
contains branches, but only back to the function that hit an
|
contains branches, but only back to the function that hit an
|
exception. */
|
exception. */
|
if (isec->has_toc_reloc
|
if (isec->has_toc_reloc
|
|| (isec->flags & SEC_CODE) == 0
|
|| (isec->flags & SEC_CODE) == 0
|
|| strcmp (isec->name, ".fixup") == 0)
|
|| strcmp (isec->name, ".fixup") == 0)
|
{
|
{
|
if (elf_gp (isec->owner) != 0)
|
if (elf_gp (isec->owner) != 0)
|
htab->toc_curr = elf_gp (isec->owner);
|
htab->toc_curr = elf_gp (isec->owner);
|
}
|
}
|
else if (htab->stub_group[isec->id].toc_off == 0)
|
else if (htab->stub_group[isec->id].toc_off == 0)
|
{
|
{
|
int ret = toc_adjusting_stub_needed (info, isec);
|
int ret = toc_adjusting_stub_needed (info, isec);
|
if (ret < 0)
|
if (ret < 0)
|
return FALSE;
|
return FALSE;
|
else
|
else
|
isec->makes_toc_func_call = ret & 1;
|
isec->makes_toc_func_call = ret & 1;
|
}
|
}
|
}
|
}
|
|
|
/* Functions that don't use the TOC can belong in any TOC group.
|
/* Functions that don't use the TOC can belong in any TOC group.
|
Use the last TOC base. This happens to make _init and _fini
|
Use the last TOC base. This happens to make _init and _fini
|
pasting work. */
|
pasting work. */
|
htab->stub_group[isec->id].toc_off = htab->toc_curr;
|
htab->stub_group[isec->id].toc_off = htab->toc_curr;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* See whether we can group stub sections together. Grouping stub
|
/* See whether we can group stub sections together. Grouping stub
|
sections may result in fewer stubs. More importantly, we need to
|
sections may result in fewer stubs. More importantly, we need to
|
put all .init* and .fini* stubs at the beginning of the .init or
|
put all .init* and .fini* stubs at the beginning of the .init or
|
.fini output sections respectively, because glibc splits the
|
.fini output sections respectively, because glibc splits the
|
_init and _fini functions into multiple parts. Putting a stub in
|
_init and _fini functions into multiple parts. Putting a stub in
|
the middle of a function is not a good idea. */
|
the middle of a function is not a good idea. */
|
|
|
static void
|
static void
|
group_sections (struct ppc_link_hash_table *htab,
|
group_sections (struct ppc_link_hash_table *htab,
|
bfd_size_type stub_group_size,
|
bfd_size_type stub_group_size,
|
bfd_boolean stubs_always_before_branch)
|
bfd_boolean stubs_always_before_branch)
|
{
|
{
|
asection **list;
|
asection **list;
|
bfd_size_type stub14_group_size;
|
bfd_size_type stub14_group_size;
|
bfd_boolean suppress_size_errors;
|
bfd_boolean suppress_size_errors;
|
|
|
suppress_size_errors = FALSE;
|
suppress_size_errors = FALSE;
|
stub14_group_size = stub_group_size;
|
stub14_group_size = stub_group_size;
|
if (stub_group_size == 1)
|
if (stub_group_size == 1)
|
{
|
{
|
/* Default values. */
|
/* Default values. */
|
if (stubs_always_before_branch)
|
if (stubs_always_before_branch)
|
{
|
{
|
stub_group_size = 0x1e00000;
|
stub_group_size = 0x1e00000;
|
stub14_group_size = 0x7800;
|
stub14_group_size = 0x7800;
|
}
|
}
|
else
|
else
|
{
|
{
|
stub_group_size = 0x1c00000;
|
stub_group_size = 0x1c00000;
|
stub14_group_size = 0x7000;
|
stub14_group_size = 0x7000;
|
}
|
}
|
suppress_size_errors = TRUE;
|
suppress_size_errors = TRUE;
|
}
|
}
|
|
|
list = htab->input_list + htab->top_index;
|
list = htab->input_list + htab->top_index;
|
do
|
do
|
{
|
{
|
asection *tail = *list;
|
asection *tail = *list;
|
while (tail != NULL)
|
while (tail != NULL)
|
{
|
{
|
asection *curr;
|
asection *curr;
|
asection *prev;
|
asection *prev;
|
bfd_size_type total;
|
bfd_size_type total;
|
bfd_boolean big_sec;
|
bfd_boolean big_sec;
|
bfd_vma curr_toc;
|
bfd_vma curr_toc;
|
|
|
curr = tail;
|
curr = tail;
|
total = tail->size;
|
total = tail->size;
|
big_sec = total > (ppc64_elf_section_data (tail)->has_14bit_branch
|
big_sec = total > (ppc64_elf_section_data (tail)->has_14bit_branch
|
? stub14_group_size : stub_group_size);
|
? stub14_group_size : stub_group_size);
|
if (big_sec && !suppress_size_errors)
|
if (big_sec && !suppress_size_errors)
|
(*_bfd_error_handler) (_("%B section %A exceeds stub group size"),
|
(*_bfd_error_handler) (_("%B section %A exceeds stub group size"),
|
tail->owner, tail);
|
tail->owner, tail);
|
curr_toc = htab->stub_group[tail->id].toc_off;
|
curr_toc = htab->stub_group[tail->id].toc_off;
|
|
|
while ((prev = PREV_SEC (curr)) != NULL
|
while ((prev = PREV_SEC (curr)) != NULL
|
&& ((total += curr->output_offset - prev->output_offset)
|
&& ((total += curr->output_offset - prev->output_offset)
|
< (ppc64_elf_section_data (prev)->has_14bit_branch
|
< (ppc64_elf_section_data (prev)->has_14bit_branch
|
? stub14_group_size : stub_group_size))
|
? stub14_group_size : stub_group_size))
|
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
curr = prev;
|
curr = prev;
|
|
|
/* OK, the size from the start of CURR to the end is less
|
/* OK, the size from the start of CURR to the end is less
|
than stub_group_size and thus can be handled by one stub
|
than stub_group_size and thus can be handled by one stub
|
section. (or the tail section is itself larger than
|
section. (or the tail section is itself larger than
|
stub_group_size, in which case we may be toast.) We
|
stub_group_size, in which case we may be toast.) We
|
should really be keeping track of the total size of stubs
|
should really be keeping track of the total size of stubs
|
added here, as stubs contribute to the final output
|
added here, as stubs contribute to the final output
|
section size. That's a little tricky, and this way will
|
section size. That's a little tricky, and this way will
|
only break if stubs added make the total size more than
|
only break if stubs added make the total size more than
|
2^25, ie. for the default stub_group_size, if stubs total
|
2^25, ie. for the default stub_group_size, if stubs total
|
more than 2097152 bytes, or nearly 75000 plt call stubs. */
|
more than 2097152 bytes, or nearly 75000 plt call stubs. */
|
do
|
do
|
{
|
{
|
prev = PREV_SEC (tail);
|
prev = PREV_SEC (tail);
|
/* Set up this stub group. */
|
/* Set up this stub group. */
|
htab->stub_group[tail->id].link_sec = curr;
|
htab->stub_group[tail->id].link_sec = curr;
|
}
|
}
|
while (tail != curr && (tail = prev) != NULL);
|
while (tail != curr && (tail = prev) != NULL);
|
|
|
/* But wait, there's more! Input sections up to stub_group_size
|
/* But wait, there's more! Input sections up to stub_group_size
|
bytes before the stub section can be handled by it too.
|
bytes before the stub section can be handled by it too.
|
Don't do this if we have a really large section after the
|
Don't do this if we have a really large section after the
|
stubs, as adding more stubs increases the chance that
|
stubs, as adding more stubs increases the chance that
|
branches may not reach into the stub section. */
|
branches may not reach into the stub section. */
|
if (!stubs_always_before_branch && !big_sec)
|
if (!stubs_always_before_branch && !big_sec)
|
{
|
{
|
total = 0;
|
total = 0;
|
while (prev != NULL
|
while (prev != NULL
|
&& ((total += tail->output_offset - prev->output_offset)
|
&& ((total += tail->output_offset - prev->output_offset)
|
< (ppc64_elf_section_data (prev)->has_14bit_branch
|
< (ppc64_elf_section_data (prev)->has_14bit_branch
|
? stub14_group_size : stub_group_size))
|
? stub14_group_size : stub_group_size))
|
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
{
|
{
|
tail = prev;
|
tail = prev;
|
prev = PREV_SEC (tail);
|
prev = PREV_SEC (tail);
|
htab->stub_group[tail->id].link_sec = curr;
|
htab->stub_group[tail->id].link_sec = curr;
|
}
|
}
|
}
|
}
|
tail = prev;
|
tail = prev;
|
}
|
}
|
}
|
}
|
while (list-- != htab->input_list);
|
while (list-- != htab->input_list);
|
free (htab->input_list);
|
free (htab->input_list);
|
#undef PREV_SEC
|
#undef PREV_SEC
|
}
|
}
|
|
|
/* Determine and set the size of the stub section for a final link.
|
/* Determine and set the size of the stub section for a final link.
|
|
|
The basic idea here is to examine all the relocations looking for
|
The basic idea here is to examine all the relocations looking for
|
PC-relative calls to a target that is unreachable with a "bl"
|
PC-relative calls to a target that is unreachable with a "bl"
|
instruction. */
|
instruction. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc64_elf_size_stubs (bfd *output_bfd,
|
ppc64_elf_size_stubs (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd_signed_vma group_size,
|
bfd_signed_vma group_size,
|
asection *(*add_stub_section) (const char *, asection *),
|
asection *(*add_stub_section) (const char *, asection *),
|
void (*layout_sections_again) (void))
|
void (*layout_sections_again) (void))
|
{
|
{
|
bfd_size_type stub_group_size;
|
bfd_size_type stub_group_size;
|
bfd_boolean stubs_always_before_branch;
|
bfd_boolean stubs_always_before_branch;
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
|
|
/* Stash our params away. */
|
/* Stash our params away. */
|
htab->add_stub_section = add_stub_section;
|
htab->add_stub_section = add_stub_section;
|
htab->layout_sections_again = layout_sections_again;
|
htab->layout_sections_again = layout_sections_again;
|
stubs_always_before_branch = group_size < 0;
|
stubs_always_before_branch = group_size < 0;
|
if (group_size < 0)
|
if (group_size < 0)
|
stub_group_size = -group_size;
|
stub_group_size = -group_size;
|
else
|
else
|
stub_group_size = group_size;
|
stub_group_size = group_size;
|
|
|
group_sections (htab, stub_group_size, stubs_always_before_branch);
|
group_sections (htab, stub_group_size, stubs_always_before_branch);
|
|
|
while (1)
|
while (1)
|
{
|
{
|
bfd *input_bfd;
|
bfd *input_bfd;
|
unsigned int bfd_indx;
|
unsigned int bfd_indx;
|
asection *stub_sec;
|
asection *stub_sec;
|
|
|
htab->stub_iteration += 1;
|
htab->stub_iteration += 1;
|
|
|
for (input_bfd = info->input_bfds, bfd_indx = 0;
|
for (input_bfd = info->input_bfds, bfd_indx = 0;
|
input_bfd != NULL;
|
input_bfd != NULL;
|
input_bfd = input_bfd->link_next, bfd_indx++)
|
input_bfd = input_bfd->link_next, bfd_indx++)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
asection *section;
|
asection *section;
|
Elf_Internal_Sym *local_syms = NULL;
|
Elf_Internal_Sym *local_syms = NULL;
|
|
|
if (!is_ppc64_elf (input_bfd))
|
if (!is_ppc64_elf (input_bfd))
|
continue;
|
continue;
|
|
|
/* We'll need the symbol table in a second. */
|
/* We'll need the symbol table in a second. */
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
if (symtab_hdr->sh_info == 0)
|
if (symtab_hdr->sh_info == 0)
|
continue;
|
continue;
|
|
|
/* Walk over each section attached to the input bfd. */
|
/* Walk over each section attached to the input bfd. */
|
for (section = input_bfd->sections;
|
for (section = input_bfd->sections;
|
section != NULL;
|
section != NULL;
|
section = section->next)
|
section = section->next)
|
{
|
{
|
Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
|
Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
|
|
|
/* If there aren't any relocs, then there's nothing more
|
/* If there aren't any relocs, then there's nothing more
|
to do. */
|
to do. */
|
if ((section->flags & SEC_RELOC) == 0
|
if ((section->flags & SEC_RELOC) == 0
|
|| (section->flags & SEC_ALLOC) == 0
|
|| (section->flags & SEC_ALLOC) == 0
|
|| (section->flags & SEC_LOAD) == 0
|
|| (section->flags & SEC_LOAD) == 0
|
|| (section->flags & SEC_CODE) == 0
|
|| (section->flags & SEC_CODE) == 0
|
|| section->reloc_count == 0)
|
|| section->reloc_count == 0)
|
continue;
|
continue;
|
|
|
/* If this section is a link-once section that will be
|
/* If this section is a link-once section that will be
|
discarded, then don't create any stubs. */
|
discarded, then don't create any stubs. */
|
if (section->output_section == NULL
|
if (section->output_section == NULL
|
|| section->output_section->owner != output_bfd)
|
|| section->output_section->owner != output_bfd)
|
continue;
|
continue;
|
|
|
/* Get the relocs. */
|
/* Get the relocs. */
|
internal_relocs
|
internal_relocs
|
= _bfd_elf_link_read_relocs (input_bfd, section, NULL, NULL,
|
= _bfd_elf_link_read_relocs (input_bfd, section, NULL, NULL,
|
info->keep_memory);
|
info->keep_memory);
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_ret_free_local;
|
goto error_ret_free_local;
|
|
|
/* Now examine each relocation. */
|
/* Now examine each relocation. */
|
irela = internal_relocs;
|
irela = internal_relocs;
|
irelaend = irela + section->reloc_count;
|
irelaend = irela + section->reloc_count;
|
for (; irela < irelaend; irela++)
|
for (; irela < irelaend; irela++)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
unsigned int r_indx;
|
unsigned int r_indx;
|
enum ppc_stub_type stub_type;
|
enum ppc_stub_type stub_type;
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_stub_hash_entry *stub_entry;
|
asection *sym_sec, *code_sec;
|
asection *sym_sec, *code_sec;
|
bfd_vma sym_value;
|
bfd_vma sym_value;
|
bfd_vma destination;
|
bfd_vma destination;
|
bfd_boolean ok_dest;
|
bfd_boolean ok_dest;
|
struct ppc_link_hash_entry *hash;
|
struct ppc_link_hash_entry *hash;
|
struct ppc_link_hash_entry *fdh;
|
struct ppc_link_hash_entry *fdh;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
char *stub_name;
|
char *stub_name;
|
const asection *id_sec;
|
const asection *id_sec;
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
|
|
r_type = ELF64_R_TYPE (irela->r_info);
|
r_type = ELF64_R_TYPE (irela->r_info);
|
r_indx = ELF64_R_SYM (irela->r_info);
|
r_indx = ELF64_R_SYM (irela->r_info);
|
|
|
if (r_type >= R_PPC64_max)
|
if (r_type >= R_PPC64_max)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
goto error_ret_free_internal;
|
goto error_ret_free_internal;
|
}
|
}
|
|
|
/* Only look for stubs on branch instructions. */
|
/* Only look for stubs on branch instructions. */
|
if (r_type != R_PPC64_REL24
|
if (r_type != R_PPC64_REL24
|
&& r_type != R_PPC64_REL14
|
&& r_type != R_PPC64_REL14
|
&& r_type != R_PPC64_REL14_BRTAKEN
|
&& r_type != R_PPC64_REL14_BRTAKEN
|
&& r_type != R_PPC64_REL14_BRNTAKEN)
|
&& r_type != R_PPC64_REL14_BRNTAKEN)
|
continue;
|
continue;
|
|
|
/* Now determine the call target, its name, value,
|
/* Now determine the call target, its name, value,
|
section. */
|
section. */
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
|
r_indx, input_bfd))
|
r_indx, input_bfd))
|
goto error_ret_free_internal;
|
goto error_ret_free_internal;
|
hash = (struct ppc_link_hash_entry *) h;
|
hash = (struct ppc_link_hash_entry *) h;
|
|
|
ok_dest = FALSE;
|
ok_dest = FALSE;
|
fdh = NULL;
|
fdh = NULL;
|
sym_value = 0;
|
sym_value = 0;
|
if (hash == NULL)
|
if (hash == NULL)
|
{
|
{
|
sym_value = sym->st_value;
|
sym_value = sym->st_value;
|
ok_dest = TRUE;
|
ok_dest = TRUE;
|
}
|
}
|
else if (hash->elf.root.type == bfd_link_hash_defined
|
else if (hash->elf.root.type == bfd_link_hash_defined
|
|| hash->elf.root.type == bfd_link_hash_defweak)
|
|| hash->elf.root.type == bfd_link_hash_defweak)
|
{
|
{
|
sym_value = hash->elf.root.u.def.value;
|
sym_value = hash->elf.root.u.def.value;
|
if (sym_sec->output_section != NULL)
|
if (sym_sec->output_section != NULL)
|
ok_dest = TRUE;
|
ok_dest = TRUE;
|
}
|
}
|
else if (hash->elf.root.type == bfd_link_hash_undefweak
|
else if (hash->elf.root.type == bfd_link_hash_undefweak
|
|| hash->elf.root.type == bfd_link_hash_undefined)
|
|| hash->elf.root.type == bfd_link_hash_undefined)
|
{
|
{
|
/* Recognise an old ABI func code entry sym, and
|
/* Recognise an old ABI func code entry sym, and
|
use the func descriptor sym instead if it is
|
use the func descriptor sym instead if it is
|
defined. */
|
defined. */
|
if (hash->elf.root.root.string[0] == '.'
|
if (hash->elf.root.root.string[0] == '.'
|
&& (fdh = get_fdh (hash, htab)) != NULL)
|
&& (fdh = get_fdh (hash, htab)) != NULL)
|
{
|
{
|
if (fdh->elf.root.type == bfd_link_hash_defined
|
if (fdh->elf.root.type == bfd_link_hash_defined
|
|| fdh->elf.root.type == bfd_link_hash_defweak)
|
|| fdh->elf.root.type == bfd_link_hash_defweak)
|
{
|
{
|
sym_sec = fdh->elf.root.u.def.section;
|
sym_sec = fdh->elf.root.u.def.section;
|
sym_value = fdh->elf.root.u.def.value;
|
sym_value = fdh->elf.root.u.def.value;
|
if (sym_sec->output_section != NULL)
|
if (sym_sec->output_section != NULL)
|
ok_dest = TRUE;
|
ok_dest = TRUE;
|
}
|
}
|
else
|
else
|
fdh = NULL;
|
fdh = NULL;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
goto error_ret_free_internal;
|
goto error_ret_free_internal;
|
}
|
}
|
|
|
destination = 0;
|
destination = 0;
|
if (ok_dest)
|
if (ok_dest)
|
{
|
{
|
sym_value += irela->r_addend;
|
sym_value += irela->r_addend;
|
destination = (sym_value
|
destination = (sym_value
|
+ sym_sec->output_offset
|
+ sym_sec->output_offset
|
+ sym_sec->output_section->vma);
|
+ sym_sec->output_section->vma);
|
}
|
}
|
|
|
code_sec = sym_sec;
|
code_sec = sym_sec;
|
opd = get_opd_info (sym_sec);
|
opd = get_opd_info (sym_sec);
|
if (opd != NULL)
|
if (opd != NULL)
|
{
|
{
|
bfd_vma dest;
|
bfd_vma dest;
|
|
|
if (hash == NULL && opd->adjust != NULL)
|
if (hash == NULL && opd->adjust != NULL)
|
{
|
{
|
long adjust = opd->adjust[sym_value / 8];
|
long adjust = opd->adjust[sym_value / 8];
|
if (adjust == -1)
|
if (adjust == -1)
|
continue;
|
continue;
|
sym_value += adjust;
|
sym_value += adjust;
|
}
|
}
|
dest = opd_entry_value (sym_sec, sym_value,
|
dest = opd_entry_value (sym_sec, sym_value,
|
&code_sec, &sym_value);
|
&code_sec, &sym_value);
|
if (dest != (bfd_vma) -1)
|
if (dest != (bfd_vma) -1)
|
{
|
{
|
destination = dest;
|
destination = dest;
|
if (fdh != NULL)
|
if (fdh != NULL)
|
{
|
{
|
/* Fixup old ABI sym to point at code
|
/* Fixup old ABI sym to point at code
|
entry. */
|
entry. */
|
hash->elf.root.type = bfd_link_hash_defweak;
|
hash->elf.root.type = bfd_link_hash_defweak;
|
hash->elf.root.u.def.section = code_sec;
|
hash->elf.root.u.def.section = code_sec;
|
hash->elf.root.u.def.value = sym_value;
|
hash->elf.root.u.def.value = sym_value;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Determine what (if any) linker stub is needed. */
|
/* Determine what (if any) linker stub is needed. */
|
stub_type = ppc_type_of_stub (section, irela, &hash,
|
stub_type = ppc_type_of_stub (section, irela, &hash,
|
destination);
|
destination);
|
|
|
if (stub_type != ppc_stub_plt_call)
|
if (stub_type != ppc_stub_plt_call)
|
{
|
{
|
/* Check whether we need a TOC adjusting stub.
|
/* Check whether we need a TOC adjusting stub.
|
Since the linker pastes together pieces from
|
Since the linker pastes together pieces from
|
different object files when creating the
|
different object files when creating the
|
_init and _fini functions, it may be that a
|
_init and _fini functions, it may be that a
|
call to what looks like a local sym is in
|
call to what looks like a local sym is in
|
fact a call needing a TOC adjustment. */
|
fact a call needing a TOC adjustment. */
|
if (code_sec != NULL
|
if (code_sec != NULL
|
&& code_sec->output_section != NULL
|
&& code_sec->output_section != NULL
|
&& (htab->stub_group[code_sec->id].toc_off
|
&& (htab->stub_group[code_sec->id].toc_off
|
!= htab->stub_group[section->id].toc_off)
|
!= htab->stub_group[section->id].toc_off)
|
&& (code_sec->has_toc_reloc
|
&& (code_sec->has_toc_reloc
|
|| code_sec->makes_toc_func_call))
|
|| code_sec->makes_toc_func_call))
|
stub_type = ppc_stub_long_branch_r2off;
|
stub_type = ppc_stub_long_branch_r2off;
|
}
|
}
|
|
|
if (stub_type == ppc_stub_none)
|
if (stub_type == ppc_stub_none)
|
continue;
|
continue;
|
|
|
/* __tls_get_addr calls might be eliminated. */
|
/* __tls_get_addr calls might be eliminated. */
|
if (stub_type != ppc_stub_plt_call
|
if (stub_type != ppc_stub_plt_call
|
&& hash != NULL
|
&& hash != NULL
|
&& (hash == htab->tls_get_addr
|
&& (hash == htab->tls_get_addr
|
|| hash == htab->tls_get_addr_fd)
|
|| hash == htab->tls_get_addr_fd)
|
&& section->has_tls_reloc
|
&& section->has_tls_reloc
|
&& irela != internal_relocs)
|
&& irela != internal_relocs)
|
{
|
{
|
/* Get tls info. */
|
/* Get tls info. */
|
char *tls_mask;
|
char *tls_mask;
|
|
|
if (!get_tls_mask (&tls_mask, NULL, &local_syms,
|
if (!get_tls_mask (&tls_mask, NULL, &local_syms,
|
irela - 1, input_bfd))
|
irela - 1, input_bfd))
|
goto error_ret_free_internal;
|
goto error_ret_free_internal;
|
if (*tls_mask != 0)
|
if (*tls_mask != 0)
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Support for grouping stub sections. */
|
/* Support for grouping stub sections. */
|
id_sec = htab->stub_group[section->id].link_sec;
|
id_sec = htab->stub_group[section->id].link_sec;
|
|
|
/* Get the name of this stub. */
|
/* Get the name of this stub. */
|
stub_name = ppc_stub_name (id_sec, sym_sec, hash, irela);
|
stub_name = ppc_stub_name (id_sec, sym_sec, hash, irela);
|
if (!stub_name)
|
if (!stub_name)
|
goto error_ret_free_internal;
|
goto error_ret_free_internal;
|
|
|
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
|
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
|
stub_name, FALSE, FALSE);
|
stub_name, FALSE, FALSE);
|
if (stub_entry != NULL)
|
if (stub_entry != NULL)
|
{
|
{
|
/* The proper stub has already been created. */
|
/* The proper stub has already been created. */
|
free (stub_name);
|
free (stub_name);
|
continue;
|
continue;
|
}
|
}
|
|
|
stub_entry = ppc_add_stub (stub_name, section, htab);
|
stub_entry = ppc_add_stub (stub_name, section, htab);
|
if (stub_entry == NULL)
|
if (stub_entry == NULL)
|
{
|
{
|
free (stub_name);
|
free (stub_name);
|
error_ret_free_internal:
|
error_ret_free_internal:
|
if (elf_section_data (section)->relocs == NULL)
|
if (elf_section_data (section)->relocs == NULL)
|
free (internal_relocs);
|
free (internal_relocs);
|
error_ret_free_local:
|
error_ret_free_local:
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& (symtab_hdr->contents
|
&& (symtab_hdr->contents
|
!= (unsigned char *) local_syms))
|
!= (unsigned char *) local_syms))
|
free (local_syms);
|
free (local_syms);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
stub_entry->stub_type = stub_type;
|
stub_entry->stub_type = stub_type;
|
stub_entry->target_value = sym_value;
|
stub_entry->target_value = sym_value;
|
stub_entry->target_section = code_sec;
|
stub_entry->target_section = code_sec;
|
stub_entry->h = hash;
|
stub_entry->h = hash;
|
stub_entry->addend = irela->r_addend;
|
stub_entry->addend = irela->r_addend;
|
|
|
if (stub_entry->h != NULL)
|
if (stub_entry->h != NULL)
|
htab->stub_globals += 1;
|
htab->stub_globals += 1;
|
}
|
}
|
|
|
/* We're done with the internal relocs, free them. */
|
/* We're done with the internal relocs, free them. */
|
if (elf_section_data (section)->relocs != internal_relocs)
|
if (elf_section_data (section)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
}
|
}
|
|
|
if (local_syms != NULL
|
if (local_syms != NULL
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
&& symtab_hdr->contents != (unsigned char *) local_syms)
|
{
|
{
|
if (!info->keep_memory)
|
if (!info->keep_memory)
|
free (local_syms);
|
free (local_syms);
|
else
|
else
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
symtab_hdr->contents = (unsigned char *) local_syms;
|
}
|
}
|
}
|
}
|
|
|
/* We may have added some stubs. Find out the new size of the
|
/* We may have added some stubs. Find out the new size of the
|
stub sections. */
|
stub sections. */
|
for (stub_sec = htab->stub_bfd->sections;
|
for (stub_sec = htab->stub_bfd->sections;
|
stub_sec != NULL;
|
stub_sec != NULL;
|
stub_sec = stub_sec->next)
|
stub_sec = stub_sec->next)
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
|
{
|
{
|
stub_sec->rawsize = stub_sec->size;
|
stub_sec->rawsize = stub_sec->size;
|
stub_sec->size = 0;
|
stub_sec->size = 0;
|
stub_sec->reloc_count = 0;
|
stub_sec->reloc_count = 0;
|
stub_sec->flags &= ~SEC_RELOC;
|
stub_sec->flags &= ~SEC_RELOC;
|
}
|
}
|
|
|
htab->brlt->size = 0;
|
htab->brlt->size = 0;
|
htab->brlt->reloc_count = 0;
|
htab->brlt->reloc_count = 0;
|
htab->brlt->flags &= ~SEC_RELOC;
|
htab->brlt->flags &= ~SEC_RELOC;
|
if (htab->relbrlt != NULL)
|
if (htab->relbrlt != NULL)
|
htab->relbrlt->size = 0;
|
htab->relbrlt->size = 0;
|
|
|
bfd_hash_traverse (&htab->stub_hash_table, ppc_size_one_stub, info);
|
bfd_hash_traverse (&htab->stub_hash_table, ppc_size_one_stub, info);
|
|
|
if (info->emitrelocations
|
if (info->emitrelocations
|
&& htab->glink != NULL && htab->glink->size != 0)
|
&& htab->glink != NULL && htab->glink->size != 0)
|
{
|
{
|
htab->glink->reloc_count = 1;
|
htab->glink->reloc_count = 1;
|
htab->glink->flags |= SEC_RELOC;
|
htab->glink->flags |= SEC_RELOC;
|
}
|
}
|
|
|
for (stub_sec = htab->stub_bfd->sections;
|
for (stub_sec = htab->stub_bfd->sections;
|
stub_sec != NULL;
|
stub_sec != NULL;
|
stub_sec = stub_sec->next)
|
stub_sec = stub_sec->next)
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
|
&& stub_sec->rawsize != stub_sec->size)
|
&& stub_sec->rawsize != stub_sec->size)
|
break;
|
break;
|
|
|
/* Exit from this loop when no stubs have been added, and no stubs
|
/* Exit from this loop when no stubs have been added, and no stubs
|
have changed size. */
|
have changed size. */
|
if (stub_sec == NULL)
|
if (stub_sec == NULL)
|
break;
|
break;
|
|
|
/* Ask the linker to do its stuff. */
|
/* Ask the linker to do its stuff. */
|
(*htab->layout_sections_again) ();
|
(*htab->layout_sections_again) ();
|
}
|
}
|
|
|
/* It would be nice to strip htab->brlt from the output if the
|
/* It would be nice to strip htab->brlt from the output if the
|
section is empty, but it's too late. If we strip sections here,
|
section is empty, but it's too late. If we strip sections here,
|
the dynamic symbol table is corrupted since the section symbol
|
the dynamic symbol table is corrupted since the section symbol
|
for the stripped section isn't written. */
|
for the stripped section isn't written. */
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Called after we have determined section placement. If sections
|
/* Called after we have determined section placement. If sections
|
move, we'll be called again. Provide a value for TOCstart. */
|
move, we'll be called again. Provide a value for TOCstart. */
|
|
|
bfd_vma
|
bfd_vma
|
ppc64_elf_toc (bfd *obfd)
|
ppc64_elf_toc (bfd *obfd)
|
{
|
{
|
asection *s;
|
asection *s;
|
bfd_vma TOCstart;
|
bfd_vma TOCstart;
|
|
|
/* The TOC consists of sections .got, .toc, .tocbss, .plt in that
|
/* The TOC consists of sections .got, .toc, .tocbss, .plt in that
|
order. The TOC starts where the first of these sections starts. */
|
order. The TOC starts where the first of these sections starts. */
|
s = bfd_get_section_by_name (obfd, ".got");
|
s = bfd_get_section_by_name (obfd, ".got");
|
if (s == NULL)
|
if (s == NULL)
|
s = bfd_get_section_by_name (obfd, ".toc");
|
s = bfd_get_section_by_name (obfd, ".toc");
|
if (s == NULL)
|
if (s == NULL)
|
s = bfd_get_section_by_name (obfd, ".tocbss");
|
s = bfd_get_section_by_name (obfd, ".tocbss");
|
if (s == NULL)
|
if (s == NULL)
|
s = bfd_get_section_by_name (obfd, ".plt");
|
s = bfd_get_section_by_name (obfd, ".plt");
|
if (s == NULL)
|
if (s == NULL)
|
{
|
{
|
/* This may happen for
|
/* This may happen for
|
o references to TOC base (SYM@toc / TOC[tc0]) without a
|
o references to TOC base (SYM@toc / TOC[tc0]) without a
|
.toc directive
|
.toc directive
|
o bad linker script
|
o bad linker script
|
o --gc-sections and empty TOC sections
|
o --gc-sections and empty TOC sections
|
|
|
FIXME: Warn user? */
|
FIXME: Warn user? */
|
|
|
/* Look for a likely section. We probably won't even be
|
/* Look for a likely section. We probably won't even be
|
using TOCstart. */
|
using TOCstart. */
|
for (s = obfd->sections; s != NULL; s = s->next)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA | SEC_READONLY))
|
if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA | SEC_READONLY))
|
== (SEC_ALLOC | SEC_SMALL_DATA))
|
== (SEC_ALLOC | SEC_SMALL_DATA))
|
break;
|
break;
|
if (s == NULL)
|
if (s == NULL)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA))
|
if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA))
|
== (SEC_ALLOC | SEC_SMALL_DATA))
|
== (SEC_ALLOC | SEC_SMALL_DATA))
|
break;
|
break;
|
if (s == NULL)
|
if (s == NULL)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
if ((s->flags & (SEC_ALLOC | SEC_READONLY)) == SEC_ALLOC)
|
if ((s->flags & (SEC_ALLOC | SEC_READONLY)) == SEC_ALLOC)
|
break;
|
break;
|
if (s == NULL)
|
if (s == NULL)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
for (s = obfd->sections; s != NULL; s = s->next)
|
if ((s->flags & SEC_ALLOC) == SEC_ALLOC)
|
if ((s->flags & SEC_ALLOC) == SEC_ALLOC)
|
break;
|
break;
|
}
|
}
|
|
|
TOCstart = 0;
|
TOCstart = 0;
|
if (s != NULL)
|
if (s != NULL)
|
TOCstart = s->output_section->vma + s->output_offset;
|
TOCstart = s->output_section->vma + s->output_offset;
|
|
|
return TOCstart;
|
return TOCstart;
|
}
|
}
|
|
|
/* Build all the stubs associated with the current output file.
|
/* Build all the stubs associated with the current output file.
|
The stubs are kept in a hash table attached to the main linker
|
The stubs are kept in a hash table attached to the main linker
|
hash table. This function is called via gldelf64ppc_finish. */
|
hash table. This function is called via gldelf64ppc_finish. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc64_elf_build_stubs (bfd_boolean emit_stub_syms,
|
ppc64_elf_build_stubs (bfd_boolean emit_stub_syms,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
char **stats)
|
char **stats)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
asection *stub_sec;
|
asection *stub_sec;
|
bfd_byte *p;
|
bfd_byte *p;
|
int stub_sec_count = 0;
|
int stub_sec_count = 0;
|
|
|
htab->emit_stub_syms = emit_stub_syms;
|
htab->emit_stub_syms = emit_stub_syms;
|
|
|
/* Allocate memory to hold the linker stubs. */
|
/* Allocate memory to hold the linker stubs. */
|
for (stub_sec = htab->stub_bfd->sections;
|
for (stub_sec = htab->stub_bfd->sections;
|
stub_sec != NULL;
|
stub_sec != NULL;
|
stub_sec = stub_sec->next)
|
stub_sec = stub_sec->next)
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
|
&& stub_sec->size != 0)
|
&& stub_sec->size != 0)
|
{
|
{
|
stub_sec->contents = bfd_zalloc (htab->stub_bfd, stub_sec->size);
|
stub_sec->contents = bfd_zalloc (htab->stub_bfd, stub_sec->size);
|
if (stub_sec->contents == NULL)
|
if (stub_sec->contents == NULL)
|
return FALSE;
|
return FALSE;
|
/* We want to check that built size is the same as calculated
|
/* We want to check that built size is the same as calculated
|
size. rawsize is a convenient location to use. */
|
size. rawsize is a convenient location to use. */
|
stub_sec->rawsize = stub_sec->size;
|
stub_sec->rawsize = stub_sec->size;
|
stub_sec->size = 0;
|
stub_sec->size = 0;
|
}
|
}
|
|
|
if (htab->glink != NULL && htab->glink->size != 0)
|
if (htab->glink != NULL && htab->glink->size != 0)
|
{
|
{
|
unsigned int indx;
|
unsigned int indx;
|
bfd_vma plt0;
|
bfd_vma plt0;
|
|
|
/* Build the .glink plt call stub. */
|
/* Build the .glink plt call stub. */
|
if (htab->emit_stub_syms)
|
if (htab->emit_stub_syms)
|
{
|
{
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
h = elf_link_hash_lookup (&htab->elf, "__glink", TRUE, FALSE, FALSE);
|
h = elf_link_hash_lookup (&htab->elf, "__glink", TRUE, FALSE, FALSE);
|
if (h == NULL)
|
if (h == NULL)
|
return FALSE;
|
return FALSE;
|
if (h->root.type == bfd_link_hash_new)
|
if (h->root.type == bfd_link_hash_new)
|
{
|
{
|
h->root.type = bfd_link_hash_defined;
|
h->root.type = bfd_link_hash_defined;
|
h->root.u.def.section = htab->glink;
|
h->root.u.def.section = htab->glink;
|
h->root.u.def.value = 8;
|
h->root.u.def.value = 8;
|
h->ref_regular = 1;
|
h->ref_regular = 1;
|
h->def_regular = 1;
|
h->def_regular = 1;
|
h->ref_regular_nonweak = 1;
|
h->ref_regular_nonweak = 1;
|
h->forced_local = 1;
|
h->forced_local = 1;
|
h->non_elf = 0;
|
h->non_elf = 0;
|
}
|
}
|
}
|
}
|
plt0 = htab->plt->output_section->vma + htab->plt->output_offset - 16;
|
plt0 = htab->plt->output_section->vma + htab->plt->output_offset - 16;
|
if (info->emitrelocations)
|
if (info->emitrelocations)
|
{
|
{
|
Elf_Internal_Rela *r = get_relocs (htab->glink, 1);
|
Elf_Internal_Rela *r = get_relocs (htab->glink, 1);
|
if (r == NULL)
|
if (r == NULL)
|
return FALSE;
|
return FALSE;
|
r->r_offset = (htab->glink->output_offset
|
r->r_offset = (htab->glink->output_offset
|
+ htab->glink->output_section->vma);
|
+ htab->glink->output_section->vma);
|
r->r_info = ELF64_R_INFO (0, R_PPC64_REL64);
|
r->r_info = ELF64_R_INFO (0, R_PPC64_REL64);
|
r->r_addend = plt0;
|
r->r_addend = plt0;
|
}
|
}
|
p = htab->glink->contents;
|
p = htab->glink->contents;
|
plt0 -= htab->glink->output_section->vma + htab->glink->output_offset;
|
plt0 -= htab->glink->output_section->vma + htab->glink->output_offset;
|
bfd_put_64 (htab->glink->owner, plt0, p);
|
bfd_put_64 (htab->glink->owner, plt0, p);
|
p += 8;
|
p += 8;
|
bfd_put_32 (htab->glink->owner, MFLR_R12, p);
|
bfd_put_32 (htab->glink->owner, MFLR_R12, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, BCL_20_31, p);
|
bfd_put_32 (htab->glink->owner, BCL_20_31, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, MFLR_R11, p);
|
bfd_put_32 (htab->glink->owner, MFLR_R11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, LD_R2_M16R11, p);
|
bfd_put_32 (htab->glink->owner, LD_R2_M16R11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, MTLR_R12, p);
|
bfd_put_32 (htab->glink->owner, MTLR_R12, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, ADD_R12_R2_R11, p);
|
bfd_put_32 (htab->glink->owner, ADD_R12_R2_R11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, LD_R11_0R12, p);
|
bfd_put_32 (htab->glink->owner, LD_R11_0R12, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, LD_R2_0R12 | 8, p);
|
bfd_put_32 (htab->glink->owner, LD_R2_0R12 | 8, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, MTCTR_R11, p);
|
bfd_put_32 (htab->glink->owner, MTCTR_R11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, LD_R11_0R12 | 16, p);
|
bfd_put_32 (htab->glink->owner, LD_R11_0R12 | 16, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, BCTR, p);
|
bfd_put_32 (htab->glink->owner, BCTR, p);
|
p += 4;
|
p += 4;
|
while (p - htab->glink->contents < GLINK_CALL_STUB_SIZE)
|
while (p - htab->glink->contents < GLINK_CALL_STUB_SIZE)
|
{
|
{
|
bfd_put_32 (htab->glink->owner, NOP, p);
|
bfd_put_32 (htab->glink->owner, NOP, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
|
|
/* Build the .glink lazy link call stubs. */
|
/* Build the .glink lazy link call stubs. */
|
indx = 0;
|
indx = 0;
|
while (p < htab->glink->contents + htab->glink->size)
|
while (p < htab->glink->contents + htab->glink->size)
|
{
|
{
|
if (indx < 0x8000)
|
if (indx < 0x8000)
|
{
|
{
|
bfd_put_32 (htab->glink->owner, LI_R0_0 | indx, p);
|
bfd_put_32 (htab->glink->owner, LI_R0_0 | indx, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (htab->glink->owner, LIS_R0_0 | PPC_HI (indx), p);
|
bfd_put_32 (htab->glink->owner, LIS_R0_0 | PPC_HI (indx), p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (htab->glink->owner, ORI_R0_R0_0 | PPC_LO (indx), p);
|
bfd_put_32 (htab->glink->owner, ORI_R0_R0_0 | PPC_LO (indx), p);
|
p += 4;
|
p += 4;
|
}
|
}
|
bfd_put_32 (htab->glink->owner,
|
bfd_put_32 (htab->glink->owner,
|
B_DOT | ((htab->glink->contents - p + 8) & 0x3fffffc), p);
|
B_DOT | ((htab->glink->contents - p + 8) & 0x3fffffc), p);
|
indx++;
|
indx++;
|
p += 4;
|
p += 4;
|
}
|
}
|
htab->glink->rawsize = p - htab->glink->contents;
|
htab->glink->rawsize = p - htab->glink->contents;
|
}
|
}
|
|
|
if (htab->brlt->size != 0)
|
if (htab->brlt->size != 0)
|
{
|
{
|
htab->brlt->contents = bfd_zalloc (htab->brlt->owner,
|
htab->brlt->contents = bfd_zalloc (htab->brlt->owner,
|
htab->brlt->size);
|
htab->brlt->size);
|
if (htab->brlt->contents == NULL)
|
if (htab->brlt->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (htab->relbrlt != NULL && htab->relbrlt->size != 0)
|
if (htab->relbrlt != NULL && htab->relbrlt->size != 0)
|
{
|
{
|
htab->relbrlt->contents = bfd_zalloc (htab->relbrlt->owner,
|
htab->relbrlt->contents = bfd_zalloc (htab->relbrlt->owner,
|
htab->relbrlt->size);
|
htab->relbrlt->size);
|
if (htab->relbrlt->contents == NULL)
|
if (htab->relbrlt->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Build the stubs as directed by the stub hash table. */
|
/* Build the stubs as directed by the stub hash table. */
|
bfd_hash_traverse (&htab->stub_hash_table, ppc_build_one_stub, info);
|
bfd_hash_traverse (&htab->stub_hash_table, ppc_build_one_stub, info);
|
|
|
if (htab->relbrlt != NULL)
|
if (htab->relbrlt != NULL)
|
htab->relbrlt->reloc_count = 0;
|
htab->relbrlt->reloc_count = 0;
|
|
|
for (stub_sec = htab->stub_bfd->sections;
|
for (stub_sec = htab->stub_bfd->sections;
|
stub_sec != NULL;
|
stub_sec != NULL;
|
stub_sec = stub_sec->next)
|
stub_sec = stub_sec->next)
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
|
if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
|
{
|
{
|
stub_sec_count += 1;
|
stub_sec_count += 1;
|
if (stub_sec->rawsize != stub_sec->size)
|
if (stub_sec->rawsize != stub_sec->size)
|
break;
|
break;
|
}
|
}
|
|
|
if (stub_sec != NULL
|
if (stub_sec != NULL
|
|| htab->glink->rawsize != htab->glink->size)
|
|| htab->glink->rawsize != htab->glink->size)
|
{
|
{
|
htab->stub_error = TRUE;
|
htab->stub_error = TRUE;
|
(*_bfd_error_handler) (_("stubs don't match calculated size"));
|
(*_bfd_error_handler) (_("stubs don't match calculated size"));
|
}
|
}
|
|
|
if (htab->stub_error)
|
if (htab->stub_error)
|
return FALSE;
|
return FALSE;
|
|
|
if (stats != NULL)
|
if (stats != NULL)
|
{
|
{
|
*stats = bfd_malloc (500);
|
*stats = bfd_malloc (500);
|
if (*stats == NULL)
|
if (*stats == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
sprintf (*stats, _("linker stubs in %u group%s\n"
|
sprintf (*stats, _("linker stubs in %u group%s\n"
|
" branch %lu\n"
|
" branch %lu\n"
|
" toc adjust %lu\n"
|
" toc adjust %lu\n"
|
" long branch %lu\n"
|
" long branch %lu\n"
|
" long toc adj %lu\n"
|
" long toc adj %lu\n"
|
" plt call %lu"),
|
" plt call %lu"),
|
stub_sec_count,
|
stub_sec_count,
|
stub_sec_count == 1 ? "" : "s",
|
stub_sec_count == 1 ? "" : "s",
|
htab->stub_count[ppc_stub_long_branch - 1],
|
htab->stub_count[ppc_stub_long_branch - 1],
|
htab->stub_count[ppc_stub_long_branch_r2off - 1],
|
htab->stub_count[ppc_stub_long_branch_r2off - 1],
|
htab->stub_count[ppc_stub_plt_branch - 1],
|
htab->stub_count[ppc_stub_plt_branch - 1],
|
htab->stub_count[ppc_stub_plt_branch_r2off - 1],
|
htab->stub_count[ppc_stub_plt_branch_r2off - 1],
|
htab->stub_count[ppc_stub_plt_call - 1]);
|
htab->stub_count[ppc_stub_plt_call - 1]);
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This function undoes the changes made by add_symbol_adjust. */
|
/* This function undoes the changes made by add_symbol_adjust. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
undo_symbol_twiddle (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
|
undo_symbol_twiddle (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
|
{
|
{
|
struct ppc_link_hash_entry *eh;
|
struct ppc_link_hash_entry *eh;
|
|
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
eh = (struct ppc_link_hash_entry *) h;
|
eh = (struct ppc_link_hash_entry *) h;
|
if (eh->elf.root.type != bfd_link_hash_undefweak || !eh->was_undefined)
|
if (eh->elf.root.type != bfd_link_hash_undefweak || !eh->was_undefined)
|
return TRUE;
|
return TRUE;
|
|
|
eh->elf.root.type = bfd_link_hash_undefined;
|
eh->elf.root.type = bfd_link_hash_undefined;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
void
|
void
|
ppc64_elf_restore_symbols (struct bfd_link_info *info)
|
ppc64_elf_restore_symbols (struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
elf_link_hash_traverse (&htab->elf, undo_symbol_twiddle, info);
|
elf_link_hash_traverse (&htab->elf, undo_symbol_twiddle, info);
|
}
|
}
|
|
|
/* What to do when ld finds relocations against symbols defined in
|
/* What to do when ld finds relocations against symbols defined in
|
discarded sections. */
|
discarded sections. */
|
|
|
static unsigned int
|
static unsigned int
|
ppc64_elf_action_discarded (asection *sec)
|
ppc64_elf_action_discarded (asection *sec)
|
{
|
{
|
if (strcmp (".opd", sec->name) == 0)
|
if (strcmp (".opd", sec->name) == 0)
|
return 0;
|
return 0;
|
|
|
if (strcmp (".toc", sec->name) == 0)
|
if (strcmp (".toc", sec->name) == 0)
|
return 0;
|
return 0;
|
|
|
if (strcmp (".toc1", sec->name) == 0)
|
if (strcmp (".toc1", sec->name) == 0)
|
return 0;
|
return 0;
|
|
|
return _bfd_elf_default_action_discarded (sec);
|
return _bfd_elf_default_action_discarded (sec);
|
}
|
}
|
|
|
/* The RELOCATE_SECTION function is called by the ELF backend linker
|
/* The RELOCATE_SECTION function is called by the ELF backend linker
|
to handle the relocations for a section.
|
to handle the relocations for a section.
|
|
|
The relocs are always passed as Rela structures; if the section
|
The relocs are always passed as Rela structures; if the section
|
actually uses Rel structures, the r_addend field will always be
|
actually uses Rel structures, the r_addend field will always be
|
zero.
|
zero.
|
|
|
This function is responsible for adjust the section contents as
|
This function is responsible for adjust the section contents as
|
necessary, and (if using Rela relocs and generating a
|
necessary, and (if using Rela relocs and generating a
|
relocatable output file) adjusting the reloc addend as
|
relocatable output file) adjusting the reloc addend as
|
necessary.
|
necessary.
|
|
|
This function does not have to worry about setting the reloc
|
This function does not have to worry about setting the reloc
|
address or the reloc symbol index.
|
address or the reloc symbol index.
|
|
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
|
|
LOCAL_SECTIONS is an array giving the section in the input file
|
LOCAL_SECTIONS is an array giving the section in the input file
|
corresponding to the st_shndx field of each local symbol.
|
corresponding to the st_shndx field of each local symbol.
|
|
|
The global hash table entry for the global symbols can be found
|
The global hash table entry for the global symbols can be found
|
via elf_sym_hashes (input_bfd).
|
via elf_sym_hashes (input_bfd).
|
|
|
When generating relocatable output, this function must handle
|
When generating relocatable output, this function must handle
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
going to be the section symbol corresponding to the output
|
going to be the section symbol corresponding to the output
|
section, which means that the addend must be adjusted
|
section, which means that the addend must be adjusted
|
accordingly. */
|
accordingly. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_relocate_section (bfd *output_bfd,
|
ppc64_elf_relocate_section (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd *input_bfd,
|
bfd *input_bfd,
|
asection *input_section,
|
asection *input_section,
|
bfd_byte *contents,
|
bfd_byte *contents,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Sym *local_syms,
|
Elf_Internal_Sym *local_syms,
|
asection **local_sections)
|
asection **local_sections)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *relend;
|
Elf_Internal_Rela *relend;
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
struct got_entry **local_got_ents;
|
struct got_entry **local_got_ents;
|
bfd_vma TOCstart;
|
bfd_vma TOCstart;
|
bfd_boolean ret = TRUE;
|
bfd_boolean ret = TRUE;
|
bfd_boolean is_opd;
|
bfd_boolean is_opd;
|
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
|
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
|
bfd_boolean is_power4 = FALSE;
|
bfd_boolean is_power4 = FALSE;
|
bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);
|
bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);
|
|
|
/* Initialize howto table if needed. */
|
/* Initialize howto table if needed. */
|
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
|
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
|
ppc_howto_init ();
|
ppc_howto_init ();
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
/* Don't relocate stub sections. */
|
/* Don't relocate stub sections. */
|
if (input_section->owner == htab->stub_bfd)
|
if (input_section->owner == htab->stub_bfd)
|
return TRUE;
|
return TRUE;
|
|
|
BFD_ASSERT (is_ppc64_elf (input_bfd));
|
BFD_ASSERT (is_ppc64_elf (input_bfd));
|
|
|
local_got_ents = elf_local_got_ents (input_bfd);
|
local_got_ents = elf_local_got_ents (input_bfd);
|
TOCstart = elf_gp (output_bfd);
|
TOCstart = elf_gp (output_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
is_opd = ppc64_elf_section_data (input_section)->sec_type == sec_opd;
|
is_opd = ppc64_elf_section_data (input_section)->sec_type == sec_opd;
|
|
|
rel = relocs;
|
rel = relocs;
|
relend = relocs + input_section->reloc_count;
|
relend = relocs + input_section->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
bfd_vma addend, orig_addend;
|
bfd_vma addend, orig_addend;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
struct elf_link_hash_entry *h_elf;
|
struct elf_link_hash_entry *h_elf;
|
struct ppc_link_hash_entry *h;
|
struct ppc_link_hash_entry *h;
|
struct ppc_link_hash_entry *fdh;
|
struct ppc_link_hash_entry *fdh;
|
const char *sym_name;
|
const char *sym_name;
|
unsigned long r_symndx, toc_symndx;
|
unsigned long r_symndx, toc_symndx;
|
char tls_mask, tls_gd, tls_type;
|
char tls_mask, tls_gd, tls_type;
|
char sym_type;
|
char sym_type;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_boolean unresolved_reloc;
|
bfd_boolean unresolved_reloc;
|
bfd_boolean warned;
|
bfd_boolean warned;
|
unsigned long insn, mask;
|
unsigned long insn, mask;
|
struct ppc_stub_hash_entry *stub_entry;
|
struct ppc_stub_hash_entry *stub_entry;
|
bfd_vma max_br_offset;
|
bfd_vma max_br_offset;
|
bfd_vma from;
|
bfd_vma from;
|
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_type = ELF64_R_TYPE (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
|
|
/* For old style R_PPC64_TOC relocs with a zero symbol, use the
|
/* For old style R_PPC64_TOC relocs with a zero symbol, use the
|
symbol of the previous ADDR64 reloc. The symbol gives us the
|
symbol of the previous ADDR64 reloc. The symbol gives us the
|
proper TOC base to use. */
|
proper TOC base to use. */
|
if (rel->r_info == ELF64_R_INFO (0, R_PPC64_TOC)
|
if (rel->r_info == ELF64_R_INFO (0, R_PPC64_TOC)
|
&& rel != relocs
|
&& rel != relocs
|
&& ELF64_R_TYPE (rel[-1].r_info) == R_PPC64_ADDR64
|
&& ELF64_R_TYPE (rel[-1].r_info) == R_PPC64_ADDR64
|
&& is_opd)
|
&& is_opd)
|
r_symndx = ELF64_R_SYM (rel[-1].r_info);
|
r_symndx = ELF64_R_SYM (rel[-1].r_info);
|
|
|
sym = NULL;
|
sym = NULL;
|
sec = NULL;
|
sec = NULL;
|
h_elf = NULL;
|
h_elf = NULL;
|
sym_name = NULL;
|
sym_name = NULL;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
warned = FALSE;
|
warned = FALSE;
|
orig_addend = rel->r_addend;
|
orig_addend = rel->r_addend;
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
{
|
{
|
/* It's a local symbol. */
|
/* It's a local symbol. */
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
|
|
sym = local_syms + r_symndx;
|
sym = local_syms + r_symndx;
|
sec = local_sections[r_symndx];
|
sec = local_sections[r_symndx];
|
sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
|
sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
|
sym_type = ELF64_ST_TYPE (sym->st_info);
|
sym_type = ELF64_ST_TYPE (sym->st_info);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
opd = get_opd_info (sec);
|
opd = get_opd_info (sec);
|
if (opd != NULL && opd->adjust != NULL)
|
if (opd != NULL && opd->adjust != NULL)
|
{
|
{
|
long adjust = opd->adjust[(sym->st_value + rel->r_addend) / 8];
|
long adjust = opd->adjust[(sym->st_value + rel->r_addend) / 8];
|
if (adjust == -1)
|
if (adjust == -1)
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
{
|
{
|
/* If this is a relocation against the opd section sym
|
/* If this is a relocation against the opd section sym
|
and we have edited .opd, adjust the reloc addend so
|
and we have edited .opd, adjust the reloc addend so
|
that ld -r and ld --emit-relocs output is correct.
|
that ld -r and ld --emit-relocs output is correct.
|
If it is a reloc against some other .opd symbol,
|
If it is a reloc against some other .opd symbol,
|
then the symbol value will be adjusted later. */
|
then the symbol value will be adjusted later. */
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
rel->r_addend += adjust;
|
rel->r_addend += adjust;
|
else
|
else
|
relocation += adjust;
|
relocation += adjust;
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
r_symndx, symtab_hdr, sym_hashes,
|
r_symndx, symtab_hdr, sym_hashes,
|
h_elf, sec, relocation,
|
h_elf, sec, relocation,
|
unresolved_reloc, warned);
|
unresolved_reloc, warned);
|
sym_name = h_elf->root.root.string;
|
sym_name = h_elf->root.root.string;
|
sym_type = h_elf->type;
|
sym_type = h_elf->type;
|
}
|
}
|
h = (struct ppc_link_hash_entry *) h_elf;
|
h = (struct ppc_link_hash_entry *) h_elf;
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
if (sec != NULL && elf_discarded_section (sec))
|
{
|
{
|
/* For relocs against symbols from removed linkonce sections,
|
/* For relocs against symbols from removed linkonce sections,
|
or sections discarded by a linker script, we just want the
|
or sections discarded by a linker script, we just want the
|
section contents zeroed. Avoid any special processing. */
|
section contents zeroed. Avoid any special processing. */
|
_bfd_clear_contents (ppc64_elf_howto_table[r_type], input_bfd,
|
_bfd_clear_contents (ppc64_elf_howto_table[r_type], input_bfd,
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
rel->r_info = 0;
|
rel->r_info = 0;
|
rel->r_addend = 0;
|
rel->r_addend = 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
continue;
|
continue;
|
|
|
/* TLS optimizations. Replace instruction sequences and relocs
|
/* TLS optimizations. Replace instruction sequences and relocs
|
based on information we collected in tls_optimize. We edit
|
based on information we collected in tls_optimize. We edit
|
RELOCS so that --emit-relocs will output something sensible
|
RELOCS so that --emit-relocs will output something sensible
|
for the final instruction stream. */
|
for the final instruction stream. */
|
tls_mask = 0;
|
tls_mask = 0;
|
tls_gd = 0;
|
tls_gd = 0;
|
toc_symndx = 0;
|
toc_symndx = 0;
|
if (IS_PPC64_TLS_RELOC (r_type))
|
if (IS_PPC64_TLS_RELOC (r_type))
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
tls_mask = h->tls_mask;
|
tls_mask = h->tls_mask;
|
else if (local_got_ents != NULL)
|
else if (local_got_ents != NULL)
|
{
|
{
|
char *lgot_masks;
|
char *lgot_masks;
|
lgot_masks = (char *) (local_got_ents + symtab_hdr->sh_info);
|
lgot_masks = (char *) (local_got_ents + symtab_hdr->sh_info);
|
tls_mask = lgot_masks[r_symndx];
|
tls_mask = lgot_masks[r_symndx];
|
}
|
}
|
if (tls_mask == 0 && r_type == R_PPC64_TLS)
|
if (tls_mask == 0 && r_type == R_PPC64_TLS)
|
{
|
{
|
/* Check for toc tls entries. */
|
/* Check for toc tls entries. */
|
char *toc_tls;
|
char *toc_tls;
|
|
|
if (!get_tls_mask (&toc_tls, &toc_symndx, &local_syms,
|
if (!get_tls_mask (&toc_tls, &toc_symndx, &local_syms,
|
rel, input_bfd))
|
rel, input_bfd))
|
return FALSE;
|
return FALSE;
|
|
|
if (toc_tls)
|
if (toc_tls)
|
tls_mask = *toc_tls;
|
tls_mask = *toc_tls;
|
}
|
}
|
}
|
}
|
|
|
/* Check that tls relocs are used with tls syms, and non-tls
|
/* Check that tls relocs are used with tls syms, and non-tls
|
relocs are used with non-tls syms. */
|
relocs are used with non-tls syms. */
|
if (r_symndx != 0
|
if (r_symndx != 0
|
&& r_type != R_PPC64_NONE
|
&& r_type != R_PPC64_NONE
|
&& (h == NULL
|
&& (h == NULL
|
|| h->elf.root.type == bfd_link_hash_defined
|
|| h->elf.root.type == bfd_link_hash_defined
|
|| h->elf.root.type == bfd_link_hash_defweak)
|
|| h->elf.root.type == bfd_link_hash_defweak)
|
&& IS_PPC64_TLS_RELOC (r_type) != (sym_type == STT_TLS))
|
&& IS_PPC64_TLS_RELOC (r_type) != (sym_type == STT_TLS))
|
{
|
{
|
if (r_type == R_PPC64_TLS && tls_mask != 0)
|
if (r_type == R_PPC64_TLS && tls_mask != 0)
|
/* R_PPC64_TLS is OK against a symbol in the TOC. */
|
/* R_PPC64_TLS is OK against a symbol in the TOC. */
|
;
|
;
|
else
|
else
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(sym_type == STT_TLS
|
(sym_type == STT_TLS
|
? _("%B(%A+0x%lx): %s used with TLS symbol %s")
|
? _("%B(%A+0x%lx): %s used with TLS symbol %s")
|
: _("%B(%A+0x%lx): %s used with non-TLS symbol %s"),
|
: _("%B(%A+0x%lx): %s used with non-TLS symbol %s"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
ppc64_elf_howto_table[r_type]->name,
|
ppc64_elf_howto_table[r_type]->name,
|
sym_name);
|
sym_name);
|
}
|
}
|
|
|
/* Ensure reloc mapping code below stays sane. */
|
/* Ensure reloc mapping code below stays sane. */
|
if (R_PPC64_TOC16_LO_DS != R_PPC64_TOC16_DS + 1
|
if (R_PPC64_TOC16_LO_DS != R_PPC64_TOC16_DS + 1
|
|| R_PPC64_TOC16_LO != R_PPC64_TOC16 + 1
|
|| R_PPC64_TOC16_LO != R_PPC64_TOC16 + 1
|
|| (R_PPC64_GOT_TLSLD16 & 3) != (R_PPC64_GOT_TLSGD16 & 3)
|
|| (R_PPC64_GOT_TLSLD16 & 3) != (R_PPC64_GOT_TLSGD16 & 3)
|
|| (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TLSGD16_LO & 3)
|
|| (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TLSGD16_LO & 3)
|
|| (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TLSGD16_HI & 3)
|
|| (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TLSGD16_HI & 3)
|
|| (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TLSGD16_HA & 3)
|
|| (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TLSGD16_HA & 3)
|
|| (R_PPC64_GOT_TLSLD16 & 3) != (R_PPC64_GOT_TPREL16_DS & 3)
|
|| (R_PPC64_GOT_TLSLD16 & 3) != (R_PPC64_GOT_TPREL16_DS & 3)
|
|| (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TPREL16_LO_DS & 3)
|
|| (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TPREL16_LO_DS & 3)
|
|| (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TPREL16_HI & 3)
|
|| (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TPREL16_HI & 3)
|
|| (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TPREL16_HA & 3))
|
|| (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TPREL16_HA & 3))
|
abort ();
|
abort ();
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
{
|
{
|
/* Check for toc tls entries. */
|
/* Check for toc tls entries. */
|
char *toc_tls;
|
char *toc_tls;
|
int retval;
|
int retval;
|
|
|
retval = get_tls_mask (&toc_tls, &toc_symndx, &local_syms,
|
retval = get_tls_mask (&toc_tls, &toc_symndx, &local_syms,
|
rel, input_bfd);
|
rel, input_bfd);
|
if (retval == 0)
|
if (retval == 0)
|
return FALSE;
|
return FALSE;
|
|
|
if (toc_tls)
|
if (toc_tls)
|
{
|
{
|
tls_mask = *toc_tls;
|
tls_mask = *toc_tls;
|
if (r_type == R_PPC64_TOC16_DS
|
if (r_type == R_PPC64_TOC16_DS
|
|| r_type == R_PPC64_TOC16_LO_DS)
|
|| r_type == R_PPC64_TOC16_LO_DS)
|
{
|
{
|
if (tls_mask != 0
|
if (tls_mask != 0
|
&& (tls_mask & (TLS_DTPREL | TLS_TPREL)) == 0)
|
&& (tls_mask & (TLS_DTPREL | TLS_TPREL)) == 0)
|
goto toctprel;
|
goto toctprel;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* If we found a GD reloc pair, then we might be
|
/* If we found a GD reloc pair, then we might be
|
doing a GD->IE transition. */
|
doing a GD->IE transition. */
|
if (retval == 2)
|
if (retval == 2)
|
{
|
{
|
tls_gd = TLS_TPRELGD;
|
tls_gd = TLS_TPRELGD;
|
if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
|
if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
|
goto tls_ldgd_opt;
|
goto tls_ldgd_opt;
|
}
|
}
|
else if (retval == 3)
|
else if (retval == 3)
|
{
|
{
|
if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
|
if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
|
goto tls_ldgd_opt;
|
goto tls_ldgd_opt;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
if (tls_mask != 0
|
if (tls_mask != 0
|
&& (tls_mask & TLS_TPREL) == 0)
|
&& (tls_mask & TLS_TPREL) == 0)
|
{
|
{
|
toctprel:
|
toctprel:
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
|
insn &= 31 << 21;
|
insn &= 31 << 21;
|
insn |= 0x3c0d0000; /* addis 0,13,0 */
|
insn |= 0x3c0d0000; /* addis 0,13,0 */
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset - d_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset - d_offset);
|
r_type = R_PPC64_TPREL16_HA;
|
r_type = R_PPC64_TPREL16_HA;
|
if (toc_symndx != 0)
|
if (toc_symndx != 0)
|
{
|
{
|
rel->r_info = ELF64_R_INFO (toc_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (toc_symndx, r_type);
|
/* We changed the symbol. Start over in order to
|
/* We changed the symbol. Start over in order to
|
get h, sym, sec etc. right. */
|
get h, sym, sec etc. right. */
|
rel--;
|
rel--;
|
continue;
|
continue;
|
}
|
}
|
else
|
else
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_TLS:
|
case R_PPC64_TLS:
|
if (tls_mask != 0
|
if (tls_mask != 0
|
&& (tls_mask & TLS_TPREL) == 0)
|
&& (tls_mask & TLS_TPREL) == 0)
|
{
|
{
|
bfd_vma rtra;
|
bfd_vma rtra;
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
if ((insn & ((0x3f << 26) | (31 << 11)))
|
if ((insn & ((0x3f << 26) | (31 << 11)))
|
== ((31 << 26) | (13 << 11)))
|
== ((31 << 26) | (13 << 11)))
|
rtra = insn & ((1 << 26) - (1 << 16));
|
rtra = insn & ((1 << 26) - (1 << 16));
|
else if ((insn & ((0x3f << 26) | (31 << 16)))
|
else if ((insn & ((0x3f << 26) | (31 << 16)))
|
== ((31 << 26) | (13 << 16)))
|
== ((31 << 26) | (13 << 16)))
|
rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
|
rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
|
else
|
else
|
abort ();
|
abort ();
|
if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1)
|
if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1)
|
/* add -> addi. */
|
/* add -> addi. */
|
insn = 14 << 26;
|
insn = 14 << 26;
|
else if ((insn & (31 << 1)) == 23 << 1
|
else if ((insn & (31 << 1)) == 23 << 1
|
&& ((insn & (31 << 6)) < 14 << 6
|
&& ((insn & (31 << 6)) < 14 << 6
|
|| ((insn & (31 << 6)) >= 16 << 6
|
|| ((insn & (31 << 6)) >= 16 << 6
|
&& (insn & (31 << 6)) < 24 << 6)))
|
&& (insn & (31 << 6)) < 24 << 6)))
|
/* load and store indexed -> dform. */
|
/* load and store indexed -> dform. */
|
insn = (32 | ((insn >> 6) & 31)) << 26;
|
insn = (32 | ((insn >> 6) & 31)) << 26;
|
else if ((insn & (31 << 1)) == 21 << 1
|
else if ((insn & (31 << 1)) == 21 << 1
|
&& (insn & (0x1a << 6)) == 0)
|
&& (insn & (0x1a << 6)) == 0)
|
/* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
|
/* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
|
insn = (((58 | ((insn >> 6) & 4)) << 26)
|
insn = (((58 | ((insn >> 6) & 4)) << 26)
|
| ((insn >> 6) & 1));
|
| ((insn >> 6) & 1));
|
else if ((insn & (31 << 1)) == 21 << 1
|
else if ((insn & (31 << 1)) == 21 << 1
|
&& (insn & ((1 << 11) - (1 << 1))) == 341 << 1)
|
&& (insn & ((1 << 11) - (1 << 1))) == 341 << 1)
|
/* lwax -> lwa. */
|
/* lwax -> lwa. */
|
insn = (58 << 26) | 2;
|
insn = (58 << 26) | 2;
|
else
|
else
|
abort ();
|
abort ();
|
insn |= rtra;
|
insn |= rtra;
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
/* Was PPC64_TLS which sits on insn boundary, now
|
/* Was PPC64_TLS which sits on insn boundary, now
|
PPC64_TPREL16_LO which is at low-order half-word. */
|
PPC64_TPREL16_LO which is at low-order half-word. */
|
rel->r_offset += d_offset;
|
rel->r_offset += d_offset;
|
r_type = R_PPC64_TPREL16_LO;
|
r_type = R_PPC64_TPREL16_LO;
|
if (toc_symndx != 0)
|
if (toc_symndx != 0)
|
{
|
{
|
rel->r_info = ELF64_R_INFO (toc_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (toc_symndx, r_type);
|
/* We changed the symbol. Start over in order to
|
/* We changed the symbol. Start over in order to
|
get h, sym, sec etc. right. */
|
get h, sym, sec etc. right. */
|
rel--;
|
rel--;
|
continue;
|
continue;
|
}
|
}
|
else
|
else
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
tls_gd = TLS_TPRELGD;
|
tls_gd = TLS_TPRELGD;
|
if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
|
if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
|
goto tls_gdld_hi;
|
goto tls_gdld_hi;
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
|
if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
|
{
|
{
|
tls_gdld_hi:
|
tls_gdld_hi:
|
if ((tls_mask & tls_gd) != 0)
|
if ((tls_mask & tls_gd) != 0)
|
r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
|
r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
|
+ R_PPC64_GOT_TPREL16_DS);
|
+ R_PPC64_GOT_TPREL16_DS);
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
|
rel->r_offset -= d_offset;
|
rel->r_offset -= d_offset;
|
r_type = R_PPC64_NONE;
|
r_type = R_PPC64_NONE;
|
}
|
}
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_LO:
|
tls_gd = TLS_TPRELGD;
|
tls_gd = TLS_TPRELGD;
|
if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
|
if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
|
goto tls_ldgd_opt;
|
goto tls_ldgd_opt;
|
break;
|
break;
|
|
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_LO:
|
if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
|
if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
|
{
|
{
|
bfd_vma insn1, insn2, insn3;
|
bfd_vma insn1, insn2, insn3;
|
bfd_vma offset;
|
bfd_vma offset;
|
|
|
tls_ldgd_opt:
|
tls_ldgd_opt:
|
/* We know that the next reloc is on a tls_get_addr
|
/* We know that the next reloc is on a tls_get_addr
|
call, since ppc64_elf_tls_optimize checks this. */
|
call, since ppc64_elf_tls_optimize checks this. */
|
offset = rel[1].r_offset;
|
offset = rel[1].r_offset;
|
insn1 = bfd_get_32 (output_bfd,
|
insn1 = bfd_get_32 (output_bfd,
|
contents + rel->r_offset - d_offset);
|
contents + rel->r_offset - d_offset);
|
insn3 = bfd_get_32 (output_bfd,
|
insn3 = bfd_get_32 (output_bfd,
|
contents + offset + 4);
|
contents + offset + 4);
|
if ((tls_mask & tls_gd) != 0)
|
if ((tls_mask & tls_gd) != 0)
|
{
|
{
|
/* IE */
|
/* IE */
|
insn1 &= (1 << 26) - (1 << 2);
|
insn1 &= (1 << 26) - (1 << 2);
|
insn1 |= 58 << 26; /* ld */
|
insn1 |= 58 << 26; /* ld */
|
insn2 = 0x7c636a14; /* add 3,3,13 */
|
insn2 = 0x7c636a14; /* add 3,3,13 */
|
rel[1].r_info = ELF64_R_INFO (ELF64_R_SYM (rel[1].r_info),
|
rel[1].r_info = ELF64_R_INFO (ELF64_R_SYM (rel[1].r_info),
|
R_PPC64_NONE);
|
R_PPC64_NONE);
|
if ((tls_mask & TLS_EXPLICIT) == 0)
|
if ((tls_mask & TLS_EXPLICIT) == 0)
|
r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
|
r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
|
+ R_PPC64_GOT_TPREL16_DS);
|
+ R_PPC64_GOT_TPREL16_DS);
|
else
|
else
|
r_type += R_PPC64_TOC16_DS - R_PPC64_TOC16;
|
r_type += R_PPC64_TOC16_DS - R_PPC64_TOC16;
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* LE */
|
/* LE */
|
insn1 = 0x3c6d0000; /* addis 3,13,0 */
|
insn1 = 0x3c6d0000; /* addis 3,13,0 */
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
if (tls_gd == 0)
|
if (tls_gd == 0)
|
{
|
{
|
/* Was an LD reloc. */
|
/* Was an LD reloc. */
|
r_symndx = 0;
|
r_symndx = 0;
|
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
rel[1].r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
rel[1].r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
}
|
}
|
else if (toc_symndx != 0)
|
else if (toc_symndx != 0)
|
r_symndx = toc_symndx;
|
r_symndx = toc_symndx;
|
r_type = R_PPC64_TPREL16_HA;
|
r_type = R_PPC64_TPREL16_HA;
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel[1].r_info = ELF64_R_INFO (r_symndx,
|
rel[1].r_info = ELF64_R_INFO (r_symndx,
|
R_PPC64_TPREL16_LO);
|
R_PPC64_TPREL16_LO);
|
rel[1].r_offset += d_offset;
|
rel[1].r_offset += d_offset;
|
}
|
}
|
if (insn3 == NOP
|
if (insn3 == NOP
|
|| insn3 == CROR_151515 || insn3 == CROR_313131)
|
|| insn3 == CROR_151515 || insn3 == CROR_313131)
|
{
|
{
|
insn3 = insn2;
|
insn3 = insn2;
|
insn2 = NOP;
|
insn2 = NOP;
|
rel[1].r_offset += 4;
|
rel[1].r_offset += 4;
|
}
|
}
|
bfd_put_32 (output_bfd, insn1,
|
bfd_put_32 (output_bfd, insn1,
|
contents + rel->r_offset - d_offset);
|
contents + rel->r_offset - d_offset);
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
bfd_put_32 (output_bfd, insn3, contents + offset + 4);
|
bfd_put_32 (output_bfd, insn3, contents + offset + 4);
|
if (tls_gd == 0 || toc_symndx != 0)
|
if (tls_gd == 0 || toc_symndx != 0)
|
{
|
{
|
/* We changed the symbol. Start over in order
|
/* We changed the symbol. Start over in order
|
to get h, sym, sec etc. right. */
|
to get h, sym, sec etc. right. */
|
rel--;
|
rel--;
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_DTPMOD64:
|
case R_PPC64_DTPMOD64:
|
if (rel + 1 < relend
|
if (rel + 1 < relend
|
&& rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
|
&& rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
|
&& rel[1].r_offset == rel->r_offset + 8)
|
&& rel[1].r_offset == rel->r_offset + 8)
|
{
|
{
|
if ((tls_mask & TLS_GD) == 0)
|
if ((tls_mask & TLS_GD) == 0)
|
{
|
{
|
rel[1].r_info = ELF64_R_INFO (r_symndx, R_PPC64_NONE);
|
rel[1].r_info = ELF64_R_INFO (r_symndx, R_PPC64_NONE);
|
if ((tls_mask & TLS_TPRELGD) != 0)
|
if ((tls_mask & TLS_TPRELGD) != 0)
|
r_type = R_PPC64_TPREL64;
|
r_type = R_PPC64_TPREL64;
|
else
|
else
|
{
|
{
|
bfd_put_64 (output_bfd, 1, contents + rel->r_offset);
|
bfd_put_64 (output_bfd, 1, contents + rel->r_offset);
|
r_type = R_PPC64_NONE;
|
r_type = R_PPC64_NONE;
|
}
|
}
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if ((tls_mask & TLS_LD) == 0)
|
if ((tls_mask & TLS_LD) == 0)
|
{
|
{
|
bfd_put_64 (output_bfd, 1, contents + rel->r_offset);
|
bfd_put_64 (output_bfd, 1, contents + rel->r_offset);
|
r_type = R_PPC64_NONE;
|
r_type = R_PPC64_NONE;
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_TPREL64:
|
case R_PPC64_TPREL64:
|
if ((tls_mask & TLS_TPREL) == 0)
|
if ((tls_mask & TLS_TPREL) == 0)
|
{
|
{
|
r_type = R_PPC64_NONE;
|
r_type = R_PPC64_NONE;
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF64_R_INFO (r_symndx, r_type);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
/* Handle other relocations that tweak non-addend part of insn. */
|
/* Handle other relocations that tweak non-addend part of insn. */
|
insn = 0;
|
insn = 0;
|
max_br_offset = 1 << 25;
|
max_br_offset = 1 << 25;
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
/* Branch taken prediction relocations. */
|
/* Branch taken prediction relocations. */
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
insn = 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
|
insn = 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
|
/* Fall thru. */
|
/* Fall thru. */
|
|
|
/* Branch not taken prediction relocations. */
|
/* Branch not taken prediction relocations. */
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_REL14_BRNTAKEN:
|
case R_PPC64_REL14_BRNTAKEN:
|
insn |= bfd_get_32 (output_bfd,
|
insn |= bfd_get_32 (output_bfd,
|
contents + rel->r_offset) & ~(0x01 << 21);
|
contents + rel->r_offset) & ~(0x01 << 21);
|
/* Fall thru. */
|
/* Fall thru. */
|
|
|
case R_PPC64_REL14:
|
case R_PPC64_REL14:
|
max_br_offset = 1 << 15;
|
max_br_offset = 1 << 15;
|
/* Fall thru. */
|
/* Fall thru. */
|
|
|
case R_PPC64_REL24:
|
case R_PPC64_REL24:
|
/* Calls to functions with a different TOC, such as calls to
|
/* Calls to functions with a different TOC, such as calls to
|
shared objects, need to alter the TOC pointer. This is
|
shared objects, need to alter the TOC pointer. This is
|
done using a linkage stub. A REL24 branching to these
|
done using a linkage stub. A REL24 branching to these
|
linkage stubs needs to be followed by a nop, as the nop
|
linkage stubs needs to be followed by a nop, as the nop
|
will be replaced with an instruction to restore the TOC
|
will be replaced with an instruction to restore the TOC
|
base pointer. */
|
base pointer. */
|
stub_entry = NULL;
|
stub_entry = NULL;
|
fdh = h;
|
fdh = h;
|
if (((h != NULL
|
if (((h != NULL
|
&& (((fdh = h->oh) != NULL
|
&& (((fdh = h->oh) != NULL
|
&& fdh->elf.plt.plist != NULL)
|
&& fdh->elf.plt.plist != NULL)
|
|| (fdh = h)->elf.plt.plist != NULL))
|
|| (fdh = h)->elf.plt.plist != NULL))
|
|| (sec != NULL
|
|| (sec != NULL
|
&& sec->output_section != NULL
|
&& sec->output_section != NULL
|
&& sec->id <= htab->top_id
|
&& sec->id <= htab->top_id
|
&& (htab->stub_group[sec->id].toc_off
|
&& (htab->stub_group[sec->id].toc_off
|
!= htab->stub_group[input_section->id].toc_off)))
|
!= htab->stub_group[input_section->id].toc_off)))
|
&& (stub_entry = ppc_get_stub_entry (input_section, sec, fdh,
|
&& (stub_entry = ppc_get_stub_entry (input_section, sec, fdh,
|
rel, htab)) != NULL
|
rel, htab)) != NULL
|
&& (stub_entry->stub_type == ppc_stub_plt_call
|
&& (stub_entry->stub_type == ppc_stub_plt_call
|
|| stub_entry->stub_type == ppc_stub_plt_branch_r2off
|
|| stub_entry->stub_type == ppc_stub_plt_branch_r2off
|
|| stub_entry->stub_type == ppc_stub_long_branch_r2off))
|
|| stub_entry->stub_type == ppc_stub_long_branch_r2off))
|
{
|
{
|
bfd_boolean can_plt_call = FALSE;
|
bfd_boolean can_plt_call = FALSE;
|
|
|
if (rel->r_offset + 8 <= input_section->size)
|
if (rel->r_offset + 8 <= input_section->size)
|
{
|
{
|
unsigned long nop;
|
unsigned long nop;
|
nop = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
|
nop = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
|
if (nop == NOP
|
if (nop == NOP
|
|| nop == CROR_151515 || nop == CROR_313131)
|
|| nop == CROR_151515 || nop == CROR_313131)
|
{
|
{
|
bfd_put_32 (input_bfd, LD_R2_40R1,
|
bfd_put_32 (input_bfd, LD_R2_40R1,
|
contents + rel->r_offset + 4);
|
contents + rel->r_offset + 4);
|
can_plt_call = TRUE;
|
can_plt_call = TRUE;
|
}
|
}
|
}
|
}
|
|
|
if (!can_plt_call)
|
if (!can_plt_call)
|
{
|
{
|
if (stub_entry->stub_type == ppc_stub_plt_call)
|
if (stub_entry->stub_type == ppc_stub_plt_call)
|
{
|
{
|
/* If this is a plain branch rather than a branch
|
/* If this is a plain branch rather than a branch
|
and link, don't require a nop. However, don't
|
and link, don't require a nop. However, don't
|
allow tail calls in a shared library as they
|
allow tail calls in a shared library as they
|
will result in r2 being corrupted. */
|
will result in r2 being corrupted. */
|
unsigned long br;
|
unsigned long br;
|
br = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
br = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
if (info->executable && (br & 1) == 0)
|
if (info->executable && (br & 1) == 0)
|
can_plt_call = TRUE;
|
can_plt_call = TRUE;
|
else
|
else
|
stub_entry = NULL;
|
stub_entry = NULL;
|
}
|
}
|
else if (h != NULL
|
else if (h != NULL
|
&& strcmp (h->elf.root.root.string,
|
&& strcmp (h->elf.root.root.string,
|
".__libc_start_main") == 0)
|
".__libc_start_main") == 0)
|
{
|
{
|
/* Allow crt1 branch to go via a toc adjusting stub. */
|
/* Allow crt1 branch to go via a toc adjusting stub. */
|
can_plt_call = TRUE;
|
can_plt_call = TRUE;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (strcmp (input_section->output_section->name,
|
if (strcmp (input_section->output_section->name,
|
".init") == 0
|
".init") == 0
|
|| strcmp (input_section->output_section->name,
|
|| strcmp (input_section->output_section->name,
|
".fini") == 0)
|
".fini") == 0)
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): automatic multiple TOCs "
|
(_("%B(%A+0x%lx): automatic multiple TOCs "
|
"not supported using your crt files; "
|
"not supported using your crt files; "
|
"recompile with -mminimal-toc or upgrade gcc"),
|
"recompile with -mminimal-toc or upgrade gcc"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset);
|
(long) rel->r_offset);
|
else
|
else
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): sibling call optimization to `%s' "
|
(_("%B(%A+0x%lx): sibling call optimization to `%s' "
|
"does not allow automatic multiple TOCs; "
|
"does not allow automatic multiple TOCs; "
|
"recompile with -mminimal-toc or "
|
"recompile with -mminimal-toc or "
|
"-fno-optimize-sibling-calls, "
|
"-fno-optimize-sibling-calls, "
|
"or make `%s' extern"),
|
"or make `%s' extern"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
sym_name,
|
sym_name,
|
sym_name);
|
sym_name);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (can_plt_call
|
if (can_plt_call
|
&& stub_entry->stub_type == ppc_stub_plt_call)
|
&& stub_entry->stub_type == ppc_stub_plt_call)
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
}
|
}
|
|
|
if (stub_entry == NULL
|
if (stub_entry == NULL
|
&& get_opd_info (sec) != NULL)
|
&& get_opd_info (sec) != NULL)
|
{
|
{
|
/* The branch destination is the value of the opd entry. */
|
/* The branch destination is the value of the opd entry. */
|
bfd_vma off = (relocation + addend
|
bfd_vma off = (relocation + addend
|
- sec->output_section->vma
|
- sec->output_section->vma
|
- sec->output_offset);
|
- sec->output_offset);
|
bfd_vma dest = opd_entry_value (sec, off, NULL, NULL);
|
bfd_vma dest = opd_entry_value (sec, off, NULL, NULL);
|
if (dest != (bfd_vma) -1)
|
if (dest != (bfd_vma) -1)
|
{
|
{
|
relocation = dest;
|
relocation = dest;
|
addend = 0;
|
addend = 0;
|
}
|
}
|
}
|
}
|
|
|
/* If the branch is out of reach we ought to have a long
|
/* If the branch is out of reach we ought to have a long
|
branch stub. */
|
branch stub. */
|
from = (rel->r_offset
|
from = (rel->r_offset
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ input_section->output_section->vma);
|
+ input_section->output_section->vma);
|
|
|
if (stub_entry == NULL
|
if (stub_entry == NULL
|
&& (relocation + addend - from + max_br_offset
|
&& (relocation + addend - from + max_br_offset
|
>= 2 * max_br_offset)
|
>= 2 * max_br_offset)
|
&& r_type != R_PPC64_ADDR14_BRTAKEN
|
&& r_type != R_PPC64_ADDR14_BRTAKEN
|
&& r_type != R_PPC64_ADDR14_BRNTAKEN)
|
&& r_type != R_PPC64_ADDR14_BRNTAKEN)
|
stub_entry = ppc_get_stub_entry (input_section, sec, h, rel,
|
stub_entry = ppc_get_stub_entry (input_section, sec, h, rel,
|
htab);
|
htab);
|
|
|
if (stub_entry != NULL)
|
if (stub_entry != NULL)
|
{
|
{
|
/* Munge up the value and addend so that we call the stub
|
/* Munge up the value and addend so that we call the stub
|
rather than the procedure directly. */
|
rather than the procedure directly. */
|
relocation = (stub_entry->stub_offset
|
relocation = (stub_entry->stub_offset
|
+ stub_entry->stub_sec->output_offset
|
+ stub_entry->stub_sec->output_offset
|
+ stub_entry->stub_sec->output_section->vma);
|
+ stub_entry->stub_sec->output_section->vma);
|
addend = 0;
|
addend = 0;
|
}
|
}
|
|
|
if (insn != 0)
|
if (insn != 0)
|
{
|
{
|
if (is_power4)
|
if (is_power4)
|
{
|
{
|
/* Set 'a' bit. This is 0b00010 in BO field for branch
|
/* Set 'a' bit. This is 0b00010 in BO field for branch
|
on CR(BI) insns (BO == 001at or 011at), and 0b01000
|
on CR(BI) insns (BO == 001at or 011at), and 0b01000
|
for branch on CTR insns (BO == 1a00t or 1a01t). */
|
for branch on CTR insns (BO == 1a00t or 1a01t). */
|
if ((insn & (0x14 << 21)) == (0x04 << 21))
|
if ((insn & (0x14 << 21)) == (0x04 << 21))
|
insn |= 0x02 << 21;
|
insn |= 0x02 << 21;
|
else if ((insn & (0x14 << 21)) == (0x10 << 21))
|
else if ((insn & (0x14 << 21)) == (0x10 << 21))
|
insn |= 0x08 << 21;
|
insn |= 0x08 << 21;
|
else
|
else
|
break;
|
break;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Invert 'y' bit if not the default. */
|
/* Invert 'y' bit if not the default. */
|
if ((bfd_signed_vma) (relocation + addend - from) < 0)
|
if ((bfd_signed_vma) (relocation + addend - from) < 0)
|
insn ^= 0x01 << 21;
|
insn ^= 0x01 << 21;
|
}
|
}
|
|
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
}
|
}
|
|
|
/* NOP out calls to undefined weak functions.
|
/* NOP out calls to undefined weak functions.
|
We can thus call a weak function without first
|
We can thus call a weak function without first
|
checking whether the function is defined. */
|
checking whether the function is defined. */
|
else if (h != NULL
|
else if (h != NULL
|
&& h->elf.root.type == bfd_link_hash_undefweak
|
&& h->elf.root.type == bfd_link_hash_undefweak
|
&& r_type == R_PPC64_REL24
|
&& r_type == R_PPC64_REL24
|
&& relocation == 0
|
&& relocation == 0
|
&& addend == 0)
|
&& addend == 0)
|
{
|
{
|
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
|
continue;
|
continue;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
/* Set `addend'. */
|
/* Set `addend'. */
|
tls_type = 0;
|
tls_type = 0;
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: unknown relocation type %d for symbol %s"),
|
(_("%B: unknown relocation type %d for symbol %s"),
|
input_bfd, (int) r_type, sym_name);
|
input_bfd, (int) r_type, sym_name);
|
|
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
|
|
case R_PPC64_NONE:
|
case R_PPC64_NONE:
|
case R_PPC64_TLS:
|
case R_PPC64_TLS:
|
case R_PPC64_GNU_VTINHERIT:
|
case R_PPC64_GNU_VTINHERIT:
|
case R_PPC64_GNU_VTENTRY:
|
case R_PPC64_GNU_VTENTRY:
|
continue;
|
continue;
|
|
|
/* GOT16 relocations. Like an ADDR16 using the symbol's
|
/* GOT16 relocations. Like an ADDR16 using the symbol's
|
address in the GOT as relocation value instead of the
|
address in the GOT as relocation value instead of the
|
symbol's value itself. Also, create a GOT entry for the
|
symbol's value itself. Also, create a GOT entry for the
|
symbol and put the symbol value there. */
|
symbol and put the symbol value there. */
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_LO:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HI:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
tls_type = TLS_TLS | TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_LO:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HI:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
tls_type = TLS_TLS | TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HI:
|
case R_PPC64_GOT_TPREL16_HA:
|
case R_PPC64_GOT_TPREL16_HA:
|
tls_type = TLS_TLS | TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_HI:
|
case R_PPC64_GOT_DTPREL16_HI:
|
case R_PPC64_GOT_DTPREL16_HA:
|
case R_PPC64_GOT_DTPREL16_HA:
|
tls_type = TLS_TLS | TLS_DTPREL;
|
tls_type = TLS_TLS | TLS_DTPREL;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC64_GOT16:
|
case R_PPC64_GOT16:
|
case R_PPC64_GOT16_LO:
|
case R_PPC64_GOT16_LO:
|
case R_PPC64_GOT16_HI:
|
case R_PPC64_GOT16_HI:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_LO_DS:
|
case R_PPC64_GOT16_LO_DS:
|
dogot:
|
dogot:
|
{
|
{
|
/* Relocation is to the entry for this symbol in the global
|
/* Relocation is to the entry for this symbol in the global
|
offset table. */
|
offset table. */
|
asection *got;
|
asection *got;
|
bfd_vma *offp;
|
bfd_vma *offp;
|
bfd_vma off;
|
bfd_vma off;
|
unsigned long indx = 0;
|
unsigned long indx = 0;
|
|
|
if (tls_type == (TLS_TLS | TLS_LD)
|
if (tls_type == (TLS_TLS | TLS_LD)
|
&& (h == NULL
|
&& (h == NULL
|
|| !h->elf.def_dynamic))
|
|| !h->elf.def_dynamic))
|
offp = &ppc64_tlsld_got (input_bfd)->offset;
|
offp = &ppc64_tlsld_got (input_bfd)->offset;
|
else
|
else
|
{
|
{
|
struct got_entry *ent;
|
struct got_entry *ent;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
bfd_boolean dyn = htab->elf.dynamic_sections_created;
|
bfd_boolean dyn = htab->elf.dynamic_sections_created;
|
if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
|
if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
|
&h->elf)
|
&h->elf)
|
|| (info->shared
|
|| (info->shared
|
&& SYMBOL_REFERENCES_LOCAL (info, &h->elf)))
|
&& SYMBOL_REFERENCES_LOCAL (info, &h->elf)))
|
/* This is actually a static link, or it is a
|
/* This is actually a static link, or it is a
|
-Bsymbolic link and the symbol is defined
|
-Bsymbolic link and the symbol is defined
|
locally, or the symbol was forced to be local
|
locally, or the symbol was forced to be local
|
because of a version file. */
|
because of a version file. */
|
;
|
;
|
else
|
else
|
{
|
{
|
indx = h->elf.dynindx;
|
indx = h->elf.dynindx;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
}
|
}
|
ent = h->elf.got.glist;
|
ent = h->elf.got.glist;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (local_got_ents == NULL)
|
if (local_got_ents == NULL)
|
abort ();
|
abort ();
|
ent = local_got_ents[r_symndx];
|
ent = local_got_ents[r_symndx];
|
}
|
}
|
|
|
for (; ent != NULL; ent = ent->next)
|
for (; ent != NULL; ent = ent->next)
|
if (ent->addend == orig_addend
|
if (ent->addend == orig_addend
|
&& ent->owner == input_bfd
|
&& ent->owner == input_bfd
|
&& ent->tls_type == tls_type)
|
&& ent->tls_type == tls_type)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
abort ();
|
abort ();
|
offp = &ent->got.offset;
|
offp = &ent->got.offset;
|
}
|
}
|
|
|
got = ppc64_elf_tdata (input_bfd)->got;
|
got = ppc64_elf_tdata (input_bfd)->got;
|
if (got == NULL)
|
if (got == NULL)
|
abort ();
|
abort ();
|
|
|
/* The offset must always be a multiple of 8. We use the
|
/* The offset must always be a multiple of 8. We use the
|
least significant bit to record whether we have already
|
least significant bit to record whether we have already
|
processed this entry. */
|
processed this entry. */
|
off = *offp;
|
off = *offp;
|
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
/* Generate relocs for the dynamic linker, except in
|
/* Generate relocs for the dynamic linker, except in
|
the case of TLSLD where we'll use one entry per
|
the case of TLSLD where we'll use one entry per
|
module. */
|
module. */
|
asection *relgot = ppc64_elf_tdata (input_bfd)->relgot;
|
asection *relgot = ppc64_elf_tdata (input_bfd)->relgot;
|
|
|
*offp = off | 1;
|
*offp = off | 1;
|
if ((info->shared || indx != 0)
|
if ((info->shared || indx != 0)
|
&& (h == NULL
|
&& (h == NULL
|
|| ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
|
|| h->elf.root.type != bfd_link_hash_undefweak))
|
|| h->elf.root.type != bfd_link_hash_undefweak))
|
{
|
{
|
outrel.r_offset = (got->output_section->vma
|
outrel.r_offset = (got->output_section->vma
|
+ got->output_offset
|
+ got->output_offset
|
+ off);
|
+ off);
|
outrel.r_addend = addend;
|
outrel.r_addend = addend;
|
if (tls_type & (TLS_LD | TLS_GD))
|
if (tls_type & (TLS_LD | TLS_GD))
|
{
|
{
|
outrel.r_addend = 0;
|
outrel.r_addend = 0;
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPMOD64);
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPMOD64);
|
if (tls_type == (TLS_TLS | TLS_GD))
|
if (tls_type == (TLS_TLS | TLS_GD))
|
{
|
{
|
loc = relgot->contents;
|
loc = relgot->contents;
|
loc += (relgot->reloc_count++
|
loc += (relgot->reloc_count++
|
* sizeof (Elf64_External_Rela));
|
* sizeof (Elf64_External_Rela));
|
bfd_elf64_swap_reloca_out (output_bfd,
|
bfd_elf64_swap_reloca_out (output_bfd,
|
&outrel, loc);
|
&outrel, loc);
|
outrel.r_offset += 8;
|
outrel.r_offset += 8;
|
outrel.r_addend = addend;
|
outrel.r_addend = addend;
|
outrel.r_info
|
outrel.r_info
|
= ELF64_R_INFO (indx, R_PPC64_DTPREL64);
|
= ELF64_R_INFO (indx, R_PPC64_DTPREL64);
|
}
|
}
|
}
|
}
|
else if (tls_type == (TLS_TLS | TLS_DTPREL))
|
else if (tls_type == (TLS_TLS | TLS_DTPREL))
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
|
else if (tls_type == (TLS_TLS | TLS_TPREL))
|
else if (tls_type == (TLS_TLS | TLS_TPREL))
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_TPREL64);
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_TPREL64);
|
else if (indx == 0)
|
else if (indx == 0)
|
{
|
{
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_RELATIVE);
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_RELATIVE);
|
|
|
/* Write the .got section contents for the sake
|
/* Write the .got section contents for the sake
|
of prelink. */
|
of prelink. */
|
loc = got->contents + off;
|
loc = got->contents + off;
|
bfd_put_64 (output_bfd, outrel.r_addend + relocation,
|
bfd_put_64 (output_bfd, outrel.r_addend + relocation,
|
loc);
|
loc);
|
}
|
}
|
else
|
else
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_GLOB_DAT);
|
outrel.r_info = ELF64_R_INFO (indx, R_PPC64_GLOB_DAT);
|
|
|
if (indx == 0 && tls_type != (TLS_TLS | TLS_LD))
|
if (indx == 0 && tls_type != (TLS_TLS | TLS_LD))
|
{
|
{
|
outrel.r_addend += relocation;
|
outrel.r_addend += relocation;
|
if (tls_type & (TLS_GD | TLS_DTPREL | TLS_TPREL))
|
if (tls_type & (TLS_GD | TLS_DTPREL | TLS_TPREL))
|
outrel.r_addend -= htab->elf.tls_sec->vma;
|
outrel.r_addend -= htab->elf.tls_sec->vma;
|
}
|
}
|
loc = relgot->contents;
|
loc = relgot->contents;
|
loc += (relgot->reloc_count++
|
loc += (relgot->reloc_count++
|
* sizeof (Elf64_External_Rela));
|
* sizeof (Elf64_External_Rela));
|
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
|
}
|
}
|
|
|
/* Init the .got section contents here if we're not
|
/* Init the .got section contents here if we're not
|
emitting a reloc. */
|
emitting a reloc. */
|
else
|
else
|
{
|
{
|
relocation += addend;
|
relocation += addend;
|
if (tls_type == (TLS_TLS | TLS_LD))
|
if (tls_type == (TLS_TLS | TLS_LD))
|
relocation = 1;
|
relocation = 1;
|
else if (tls_type != 0)
|
else if (tls_type != 0)
|
{
|
{
|
relocation -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
relocation -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
if (tls_type == (TLS_TLS | TLS_TPREL))
|
if (tls_type == (TLS_TLS | TLS_TPREL))
|
relocation += DTP_OFFSET - TP_OFFSET;
|
relocation += DTP_OFFSET - TP_OFFSET;
|
|
|
if (tls_type == (TLS_TLS | TLS_GD))
|
if (tls_type == (TLS_TLS | TLS_GD))
|
{
|
{
|
bfd_put_64 (output_bfd, relocation,
|
bfd_put_64 (output_bfd, relocation,
|
got->contents + off + 8);
|
got->contents + off + 8);
|
relocation = 1;
|
relocation = 1;
|
}
|
}
|
}
|
}
|
|
|
bfd_put_64 (output_bfd, relocation,
|
bfd_put_64 (output_bfd, relocation,
|
got->contents + off);
|
got->contents + off);
|
}
|
}
|
}
|
}
|
|
|
if (off >= (bfd_vma) -2)
|
if (off >= (bfd_vma) -2)
|
abort ();
|
abort ();
|
|
|
relocation = got->output_offset + off;
|
relocation = got->output_offset + off;
|
|
|
/* TOC base (r2) is TOC start plus 0x8000. */
|
/* TOC base (r2) is TOC start plus 0x8000. */
|
addend = -TOC_BASE_OFF;
|
addend = -TOC_BASE_OFF;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HI:
|
case R_PPC64_PLT16_HI:
|
case R_PPC64_PLT16_LO:
|
case R_PPC64_PLT16_LO:
|
case R_PPC64_PLT32:
|
case R_PPC64_PLT32:
|
case R_PPC64_PLT64:
|
case R_PPC64_PLT64:
|
/* Relocation is to the entry for this symbol in the
|
/* Relocation is to the entry for this symbol in the
|
procedure linkage table. */
|
procedure linkage table. */
|
|
|
/* Resolve a PLT reloc against a local symbol directly,
|
/* Resolve a PLT reloc against a local symbol directly,
|
without using the procedure linkage table. */
|
without using the procedure linkage table. */
|
if (h == NULL)
|
if (h == NULL)
|
break;
|
break;
|
|
|
/* It's possible that we didn't make a PLT entry for this
|
/* It's possible that we didn't make a PLT entry for this
|
symbol. This happens when statically linking PIC code,
|
symbol. This happens when statically linking PIC code,
|
or when using -Bsymbolic. Go find a match if there is a
|
or when using -Bsymbolic. Go find a match if there is a
|
PLT entry. */
|
PLT entry. */
|
if (htab->plt != NULL)
|
if (htab->plt != NULL)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next)
|
if (ent->addend == orig_addend
|
if (ent->addend == orig_addend
|
&& ent->plt.offset != (bfd_vma) -1)
|
&& ent->plt.offset != (bfd_vma) -1)
|
{
|
{
|
relocation = (htab->plt->output_section->vma
|
relocation = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_TOC:
|
case R_PPC64_TOC:
|
/* Relocation value is TOC base. */
|
/* Relocation value is TOC base. */
|
relocation = TOCstart;
|
relocation = TOCstart;
|
if (r_symndx == 0)
|
if (r_symndx == 0)
|
relocation += htab->stub_group[input_section->id].toc_off;
|
relocation += htab->stub_group[input_section->id].toc_off;
|
else if (unresolved_reloc)
|
else if (unresolved_reloc)
|
;
|
;
|
else if (sec != NULL && sec->id <= htab->top_id)
|
else if (sec != NULL && sec->id <= htab->top_id)
|
relocation += htab->stub_group[sec->id].toc_off;
|
relocation += htab->stub_group[sec->id].toc_off;
|
else
|
else
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
goto dodyn;
|
goto dodyn;
|
|
|
/* TOC16 relocs. We want the offset relative to the TOC base,
|
/* TOC16 relocs. We want the offset relative to the TOC base,
|
which is the address of the start of the TOC plus 0x8000.
|
which is the address of the start of the TOC plus 0x8000.
|
The TOC consists of sections .got, .toc, .tocbss, and .plt,
|
The TOC consists of sections .got, .toc, .tocbss, and .plt,
|
in this order. */
|
in this order. */
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_LO:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_HI:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_HA:
|
addend -= TOCstart + htab->stub_group[input_section->id].toc_off;
|
addend -= TOCstart + htab->stub_group[input_section->id].toc_off;
|
break;
|
break;
|
|
|
/* Relocate against the beginning of the section. */
|
/* Relocate against the beginning of the section. */
|
case R_PPC64_SECTOFF:
|
case R_PPC64_SECTOFF:
|
case R_PPC64_SECTOFF_LO:
|
case R_PPC64_SECTOFF_LO:
|
case R_PPC64_SECTOFF_HI:
|
case R_PPC64_SECTOFF_HI:
|
case R_PPC64_SECTOFF_DS:
|
case R_PPC64_SECTOFF_DS:
|
case R_PPC64_SECTOFF_LO_DS:
|
case R_PPC64_SECTOFF_LO_DS:
|
case R_PPC64_SECTOFF_HA:
|
case R_PPC64_SECTOFF_HA:
|
if (sec != NULL)
|
if (sec != NULL)
|
addend -= sec->output_section->vma;
|
addend -= sec->output_section->vma;
|
break;
|
break;
|
|
|
case R_PPC64_REL14:
|
case R_PPC64_REL14:
|
case R_PPC64_REL14_BRNTAKEN:
|
case R_PPC64_REL14_BRNTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL14_BRTAKEN:
|
case R_PPC64_REL24:
|
case R_PPC64_REL24:
|
break;
|
break;
|
|
|
case R_PPC64_TPREL16:
|
case R_PPC64_TPREL16:
|
case R_PPC64_TPREL16_LO:
|
case R_PPC64_TPREL16_LO:
|
case R_PPC64_TPREL16_HI:
|
case R_PPC64_TPREL16_HI:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHESTA:
|
case R_PPC64_TPREL16_HIGHESTA:
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
if (info->shared)
|
if (info->shared)
|
/* The TPREL16 relocs shouldn't really be used in shared
|
/* The TPREL16 relocs shouldn't really be used in shared
|
libs as they will result in DT_TEXTREL being set, but
|
libs as they will result in DT_TEXTREL being set, but
|
support them anyway. */
|
support them anyway. */
|
goto dodyn;
|
goto dodyn;
|
break;
|
break;
|
|
|
case R_PPC64_DTPREL16:
|
case R_PPC64_DTPREL16:
|
case R_PPC64_DTPREL16_LO:
|
case R_PPC64_DTPREL16_LO:
|
case R_PPC64_DTPREL16_HI:
|
case R_PPC64_DTPREL16_HI:
|
case R_PPC64_DTPREL16_HA:
|
case R_PPC64_DTPREL16_HA:
|
case R_PPC64_DTPREL16_DS:
|
case R_PPC64_DTPREL16_DS:
|
case R_PPC64_DTPREL16_LO_DS:
|
case R_PPC64_DTPREL16_LO_DS:
|
case R_PPC64_DTPREL16_HIGHER:
|
case R_PPC64_DTPREL16_HIGHER:
|
case R_PPC64_DTPREL16_HIGHERA:
|
case R_PPC64_DTPREL16_HIGHERA:
|
case R_PPC64_DTPREL16_HIGHEST:
|
case R_PPC64_DTPREL16_HIGHEST:
|
case R_PPC64_DTPREL16_HIGHESTA:
|
case R_PPC64_DTPREL16_HIGHESTA:
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
break;
|
break;
|
|
|
case R_PPC64_DTPMOD64:
|
case R_PPC64_DTPMOD64:
|
relocation = 1;
|
relocation = 1;
|
addend = 0;
|
addend = 0;
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC64_TPREL64:
|
case R_PPC64_TPREL64:
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC64_DTPREL64:
|
case R_PPC64_DTPREL64:
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
/* Relocations that may need to be propagated if this is a
|
/* Relocations that may need to be propagated if this is a
|
dynamic object. */
|
dynamic object. */
|
case R_PPC64_REL30:
|
case R_PPC64_REL30:
|
case R_PPC64_REL32:
|
case R_PPC64_REL32:
|
case R_PPC64_REL64:
|
case R_PPC64_REL64:
|
case R_PPC64_ADDR14:
|
case R_PPC64_ADDR14:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRNTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR14_BRTAKEN:
|
case R_PPC64_ADDR16:
|
case R_PPC64_ADDR16:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HI:
|
case R_PPC64_ADDR16_HI:
|
case R_PPC64_ADDR16_HIGHER:
|
case R_PPC64_ADDR16_HIGHER:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHEST:
|
case R_PPC64_ADDR16_HIGHEST:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_LO:
|
case R_PPC64_ADDR16_LO:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR24:
|
case R_PPC64_ADDR24:
|
case R_PPC64_ADDR32:
|
case R_PPC64_ADDR32:
|
case R_PPC64_ADDR64:
|
case R_PPC64_ADDR64:
|
case R_PPC64_UADDR16:
|
case R_PPC64_UADDR16:
|
case R_PPC64_UADDR32:
|
case R_PPC64_UADDR32:
|
case R_PPC64_UADDR64:
|
case R_PPC64_UADDR64:
|
dodyn:
|
dodyn:
|
if ((input_section->flags & SEC_ALLOC) == 0)
|
if ((input_section->flags & SEC_ALLOC) == 0)
|
break;
|
break;
|
|
|
if (NO_OPD_RELOCS && is_opd)
|
if (NO_OPD_RELOCS && is_opd)
|
break;
|
break;
|
|
|
if ((info->shared
|
if ((info->shared
|
&& (h == NULL
|
&& (h == NULL
|
|| ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
|
|| h->elf.root.type != bfd_link_hash_undefweak)
|
|| h->elf.root.type != bfd_link_hash_undefweak)
|
&& (MUST_BE_DYN_RELOC (r_type)
|
&& (MUST_BE_DYN_RELOC (r_type)
|
|| !SYMBOL_CALLS_LOCAL (info, &h->elf)))
|
|| !SYMBOL_CALLS_LOCAL (info, &h->elf)))
|
|| (ELIMINATE_COPY_RELOCS
|
|| (ELIMINATE_COPY_RELOCS
|
&& !info->shared
|
&& !info->shared
|
&& h != NULL
|
&& h != NULL
|
&& h->elf.dynindx != -1
|
&& h->elf.dynindx != -1
|
&& !h->elf.non_got_ref
|
&& !h->elf.non_got_ref
|
&& h->elf.def_dynamic
|
&& h->elf.def_dynamic
|
&& !h->elf.def_regular))
|
&& !h->elf.def_regular))
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_boolean skip, relocate;
|
bfd_boolean skip, relocate;
|
asection *sreloc;
|
asection *sreloc;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
bfd_vma out_off;
|
bfd_vma out_off;
|
|
|
/* When generating a dynamic object, these relocations
|
/* When generating a dynamic object, these relocations
|
are copied into the output file to be resolved at run
|
are copied into the output file to be resolved at run
|
time. */
|
time. */
|
|
|
skip = FALSE;
|
skip = FALSE;
|
relocate = FALSE;
|
relocate = FALSE;
|
|
|
out_off = _bfd_elf_section_offset (output_bfd, info,
|
out_off = _bfd_elf_section_offset (output_bfd, info,
|
input_section, rel->r_offset);
|
input_section, rel->r_offset);
|
if (out_off == (bfd_vma) -1)
|
if (out_off == (bfd_vma) -1)
|
skip = TRUE;
|
skip = TRUE;
|
else if (out_off == (bfd_vma) -2)
|
else if (out_off == (bfd_vma) -2)
|
skip = TRUE, relocate = TRUE;
|
skip = TRUE, relocate = TRUE;
|
out_off += (input_section->output_section->vma
|
out_off += (input_section->output_section->vma
|
+ input_section->output_offset);
|
+ input_section->output_offset);
|
outrel.r_offset = out_off;
|
outrel.r_offset = out_off;
|
outrel.r_addend = rel->r_addend;
|
outrel.r_addend = rel->r_addend;
|
|
|
/* Optimize unaligned reloc use. */
|
/* Optimize unaligned reloc use. */
|
if ((r_type == R_PPC64_ADDR64 && (out_off & 7) != 0)
|
if ((r_type == R_PPC64_ADDR64 && (out_off & 7) != 0)
|
|| (r_type == R_PPC64_UADDR64 && (out_off & 7) == 0))
|
|| (r_type == R_PPC64_UADDR64 && (out_off & 7) == 0))
|
r_type ^= R_PPC64_ADDR64 ^ R_PPC64_UADDR64;
|
r_type ^= R_PPC64_ADDR64 ^ R_PPC64_UADDR64;
|
else if ((r_type == R_PPC64_ADDR32 && (out_off & 3) != 0)
|
else if ((r_type == R_PPC64_ADDR32 && (out_off & 3) != 0)
|
|| (r_type == R_PPC64_UADDR32 && (out_off & 3) == 0))
|
|| (r_type == R_PPC64_UADDR32 && (out_off & 3) == 0))
|
r_type ^= R_PPC64_ADDR32 ^ R_PPC64_UADDR32;
|
r_type ^= R_PPC64_ADDR32 ^ R_PPC64_UADDR32;
|
else if ((r_type == R_PPC64_ADDR16 && (out_off & 1) != 0)
|
else if ((r_type == R_PPC64_ADDR16 && (out_off & 1) != 0)
|
|| (r_type == R_PPC64_UADDR16 && (out_off & 1) == 0))
|
|| (r_type == R_PPC64_UADDR16 && (out_off & 1) == 0))
|
r_type ^= R_PPC64_ADDR16 ^ R_PPC64_UADDR16;
|
r_type ^= R_PPC64_ADDR16 ^ R_PPC64_UADDR16;
|
|
|
if (skip)
|
if (skip)
|
memset (&outrel, 0, sizeof outrel);
|
memset (&outrel, 0, sizeof outrel);
|
else if (!SYMBOL_REFERENCES_LOCAL (info, &h->elf)
|
else if (!SYMBOL_REFERENCES_LOCAL (info, &h->elf)
|
&& !is_opd
|
&& !is_opd
|
&& r_type != R_PPC64_TOC)
|
&& r_type != R_PPC64_TOC)
|
outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
|
outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
|
else
|
else
|
{
|
{
|
/* This symbol is local, or marked to become local,
|
/* This symbol is local, or marked to become local,
|
or this is an opd section reloc which must point
|
or this is an opd section reloc which must point
|
at a local function. */
|
at a local function. */
|
outrel.r_addend += relocation;
|
outrel.r_addend += relocation;
|
if (r_type == R_PPC64_ADDR64 || r_type == R_PPC64_TOC)
|
if (r_type == R_PPC64_ADDR64 || r_type == R_PPC64_TOC)
|
{
|
{
|
if (is_opd && h != NULL)
|
if (is_opd && h != NULL)
|
{
|
{
|
/* Lie about opd entries. This case occurs
|
/* Lie about opd entries. This case occurs
|
when building shared libraries and we
|
when building shared libraries and we
|
reference a function in another shared
|
reference a function in another shared
|
lib. The same thing happens for a weak
|
lib. The same thing happens for a weak
|
definition in an application that's
|
definition in an application that's
|
overridden by a strong definition in a
|
overridden by a strong definition in a
|
shared lib. (I believe this is a generic
|
shared lib. (I believe this is a generic
|
bug in binutils handling of weak syms.)
|
bug in binutils handling of weak syms.)
|
In these cases we won't use the opd
|
In these cases we won't use the opd
|
entry in this lib. */
|
entry in this lib. */
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
}
|
}
|
outrel.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
|
outrel.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
|
|
|
/* We need to relocate .opd contents for ld.so.
|
/* We need to relocate .opd contents for ld.so.
|
Prelink also wants simple and consistent rules
|
Prelink also wants simple and consistent rules
|
for relocs. This make all RELATIVE relocs have
|
for relocs. This make all RELATIVE relocs have
|
*r_offset equal to r_addend. */
|
*r_offset equal to r_addend. */
|
relocate = TRUE;
|
relocate = TRUE;
|
}
|
}
|
else
|
else
|
{
|
{
|
long indx = 0;
|
long indx = 0;
|
|
|
if (bfd_is_abs_section (sec))
|
if (bfd_is_abs_section (sec))
|
;
|
;
|
else if (sec == NULL || sec->owner == NULL)
|
else if (sec == NULL || sec->owner == NULL)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
asection *osec;
|
asection *osec;
|
|
|
osec = sec->output_section;
|
osec = sec->output_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
|
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
if ((osec->flags & SEC_READONLY) == 0
|
if ((osec->flags & SEC_READONLY) == 0
|
&& htab->elf.data_index_section != NULL)
|
&& htab->elf.data_index_section != NULL)
|
osec = htab->elf.data_index_section;
|
osec = htab->elf.data_index_section;
|
else
|
else
|
osec = htab->elf.text_index_section;
|
osec = htab->elf.text_index_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
}
|
}
|
BFD_ASSERT (indx != 0);
|
BFD_ASSERT (indx != 0);
|
|
|
/* We are turning this relocation into one
|
/* We are turning this relocation into one
|
against a section symbol, so subtract out
|
against a section symbol, so subtract out
|
the output section's address but not the
|
the output section's address but not the
|
offset of the input section in the output
|
offset of the input section in the output
|
section. */
|
section. */
|
outrel.r_addend -= osec->vma;
|
outrel.r_addend -= osec->vma;
|
}
|
}
|
|
|
outrel.r_info = ELF64_R_INFO (indx, r_type);
|
outrel.r_info = ELF64_R_INFO (indx, r_type);
|
}
|
}
|
}
|
}
|
|
|
sreloc = elf_section_data (input_section)->sreloc;
|
sreloc = elf_section_data (input_section)->sreloc;
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
abort ();
|
abort ();
|
|
|
if (sreloc->reloc_count * sizeof (Elf64_External_Rela)
|
if (sreloc->reloc_count * sizeof (Elf64_External_Rela)
|
>= sreloc->size)
|
>= sreloc->size)
|
abort ();
|
abort ();
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
|
loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
|
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
|
|
|
/* If this reloc is against an external symbol, it will
|
/* If this reloc is against an external symbol, it will
|
be computed at runtime, so there's no need to do
|
be computed at runtime, so there's no need to do
|
anything now. However, for the sake of prelink ensure
|
anything now. However, for the sake of prelink ensure
|
that the section contents are a known value. */
|
that the section contents are a known value. */
|
if (! relocate)
|
if (! relocate)
|
{
|
{
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
/* The value chosen here is quite arbitrary as ld.so
|
/* The value chosen here is quite arbitrary as ld.so
|
ignores section contents except for the special
|
ignores section contents except for the special
|
case of .opd where the contents might be accessed
|
case of .opd where the contents might be accessed
|
before relocation. Choose zero, as that won't
|
before relocation. Choose zero, as that won't
|
cause reloc overflow. */
|
cause reloc overflow. */
|
relocation = 0;
|
relocation = 0;
|
addend = 0;
|
addend = 0;
|
/* Use *r_offset == r_addend for R_PPC64_ADDR64 relocs
|
/* Use *r_offset == r_addend for R_PPC64_ADDR64 relocs
|
to improve backward compatibility with older
|
to improve backward compatibility with older
|
versions of ld. */
|
versions of ld. */
|
if (r_type == R_PPC64_ADDR64)
|
if (r_type == R_PPC64_ADDR64)
|
addend = outrel.r_addend;
|
addend = outrel.r_addend;
|
/* Adjust pc_relative relocs to have zero in *r_offset. */
|
/* Adjust pc_relative relocs to have zero in *r_offset. */
|
else if (ppc64_elf_howto_table[r_type]->pc_relative)
|
else if (ppc64_elf_howto_table[r_type]->pc_relative)
|
addend = (input_section->output_section->vma
|
addend = (input_section->output_section->vma
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ rel->r_offset);
|
+ rel->r_offset);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC64_COPY:
|
case R_PPC64_COPY:
|
case R_PPC64_GLOB_DAT:
|
case R_PPC64_GLOB_DAT:
|
case R_PPC64_JMP_SLOT:
|
case R_PPC64_JMP_SLOT:
|
case R_PPC64_RELATIVE:
|
case R_PPC64_RELATIVE:
|
/* We shouldn't ever see these dynamic relocs in relocatable
|
/* We shouldn't ever see these dynamic relocs in relocatable
|
files. */
|
files. */
|
/* Fall through. */
|
/* Fall through. */
|
|
|
case R_PPC64_PLTGOT16:
|
case R_PPC64_PLTGOT16:
|
case R_PPC64_PLTGOT16_DS:
|
case R_PPC64_PLTGOT16_DS:
|
case R_PPC64_PLTGOT16_HA:
|
case R_PPC64_PLTGOT16_HA:
|
case R_PPC64_PLTGOT16_HI:
|
case R_PPC64_PLTGOT16_HI:
|
case R_PPC64_PLTGOT16_LO:
|
case R_PPC64_PLTGOT16_LO:
|
case R_PPC64_PLTGOT16_LO_DS:
|
case R_PPC64_PLTGOT16_LO_DS:
|
case R_PPC64_PLTREL32:
|
case R_PPC64_PLTREL32:
|
case R_PPC64_PLTREL64:
|
case R_PPC64_PLTREL64:
|
/* These ones haven't been implemented yet. */
|
/* These ones haven't been implemented yet. */
|
|
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: relocation %s is not supported for symbol %s."),
|
(_("%B: relocation %s is not supported for symbol %s."),
|
input_bfd,
|
input_bfd,
|
ppc64_elf_howto_table[r_type]->name, sym_name);
|
ppc64_elf_howto_table[r_type]->name, sym_name);
|
|
|
bfd_set_error (bfd_error_invalid_operation);
|
bfd_set_error (bfd_error_invalid_operation);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Do any further special processing. */
|
/* Do any further special processing. */
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HA:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHERA:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_ADDR16_HIGHESTA:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_TOC16_HA:
|
case R_PPC64_SECTOFF_HA:
|
case R_PPC64_SECTOFF_HA:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_TPREL16_HA:
|
case R_PPC64_DTPREL16_HA:
|
case R_PPC64_DTPREL16_HA:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHER:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHERA:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHEST:
|
case R_PPC64_TPREL16_HIGHESTA:
|
case R_PPC64_TPREL16_HIGHESTA:
|
case R_PPC64_DTPREL16_HIGHER:
|
case R_PPC64_DTPREL16_HIGHER:
|
case R_PPC64_DTPREL16_HIGHERA:
|
case R_PPC64_DTPREL16_HIGHERA:
|
case R_PPC64_DTPREL16_HIGHEST:
|
case R_PPC64_DTPREL16_HIGHEST:
|
case R_PPC64_DTPREL16_HIGHESTA:
|
case R_PPC64_DTPREL16_HIGHESTA:
|
/* It's just possible that this symbol is a weak symbol
|
/* It's just possible that this symbol is a weak symbol
|
that's not actually defined anywhere. In that case,
|
that's not actually defined anywhere. In that case,
|
'sec' would be NULL, and we should leave the symbol
|
'sec' would be NULL, and we should leave the symbol
|
alone (it will be set to zero elsewhere in the link). */
|
alone (it will be set to zero elsewhere in the link). */
|
if (sec == NULL)
|
if (sec == NULL)
|
break;
|
break;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_GOT16_HA:
|
case R_PPC64_PLTGOT16_HA:
|
case R_PPC64_PLTGOT16_HA:
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_PLT16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSGD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TLSLD16_HA:
|
case R_PPC64_GOT_TPREL16_HA:
|
case R_PPC64_GOT_TPREL16_HA:
|
case R_PPC64_GOT_DTPREL16_HA:
|
case R_PPC64_GOT_DTPREL16_HA:
|
/* Add 0x10000 if sign bit in 0:15 is set.
|
/* Add 0x10000 if sign bit in 0:15 is set.
|
Bits 0:15 are not used. */
|
Bits 0:15 are not used. */
|
addend += 0x8000;
|
addend += 0x8000;
|
break;
|
break;
|
|
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_DS:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_ADDR16_LO_DS:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_DS:
|
case R_PPC64_GOT16_LO_DS:
|
case R_PPC64_GOT16_LO_DS:
|
case R_PPC64_PLT16_LO_DS:
|
case R_PPC64_PLT16_LO_DS:
|
case R_PPC64_SECTOFF_DS:
|
case R_PPC64_SECTOFF_DS:
|
case R_PPC64_SECTOFF_LO_DS:
|
case R_PPC64_SECTOFF_LO_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_TOC16_LO_DS:
|
case R_PPC64_PLTGOT16_DS:
|
case R_PPC64_PLTGOT16_DS:
|
case R_PPC64_PLTGOT16_LO_DS:
|
case R_PPC64_PLTGOT16_LO_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_TPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_GOT_DTPREL16_LO_DS:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_TPREL16_LO_DS:
|
case R_PPC64_DTPREL16_DS:
|
case R_PPC64_DTPREL16_DS:
|
case R_PPC64_DTPREL16_LO_DS:
|
case R_PPC64_DTPREL16_LO_DS:
|
insn = bfd_get_32 (input_bfd, contents + (rel->r_offset & ~3));
|
insn = bfd_get_32 (input_bfd, contents + (rel->r_offset & ~3));
|
mask = 3;
|
mask = 3;
|
/* If this reloc is against an lq insn, then the value must be
|
/* If this reloc is against an lq insn, then the value must be
|
a multiple of 16. This is somewhat of a hack, but the
|
a multiple of 16. This is somewhat of a hack, but the
|
"correct" way to do this by defining _DQ forms of all the
|
"correct" way to do this by defining _DQ forms of all the
|
_DS relocs bloats all reloc switches in this file. It
|
_DS relocs bloats all reloc switches in this file. It
|
doesn't seem to make much sense to use any of these relocs
|
doesn't seem to make much sense to use any of these relocs
|
in data, so testing the insn should be safe. */
|
in data, so testing the insn should be safe. */
|
if ((insn & (0x3f << 26)) == (56u << 26))
|
if ((insn & (0x3f << 26)) == (56u << 26))
|
mask = 15;
|
mask = 15;
|
if (((relocation + addend) & mask) != 0)
|
if (((relocation + addend) & mask) != 0)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: error: relocation %s not a multiple of %d"),
|
(_("%B: error: relocation %s not a multiple of %d"),
|
input_bfd,
|
input_bfd,
|
ppc64_elf_howto_table[r_type]->name,
|
ppc64_elf_howto_table[r_type]->name,
|
mask + 1);
|
mask + 1);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
/* Dynamic relocs are not propagated for SEC_DEBUGGING sections
|
/* Dynamic relocs are not propagated for SEC_DEBUGGING sections
|
because such sections are not SEC_ALLOC and thus ld.so will
|
because such sections are not SEC_ALLOC and thus ld.so will
|
not process them. */
|
not process them. */
|
if (unresolved_reloc
|
if (unresolved_reloc
|
&& !((input_section->flags & SEC_DEBUGGING) != 0
|
&& !((input_section->flags & SEC_DEBUGGING) != 0
|
&& h->elf.def_dynamic))
|
&& h->elf.def_dynamic))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
|
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
ppc64_elf_howto_table[(int) r_type]->name,
|
ppc64_elf_howto_table[(int) r_type]->name,
|
h->elf.root.root.string);
|
h->elf.root.root.string);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
|
|
r = _bfd_final_link_relocate (ppc64_elf_howto_table[(int) r_type],
|
r = _bfd_final_link_relocate (ppc64_elf_howto_table[(int) r_type],
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
contents,
|
contents,
|
rel->r_offset,
|
rel->r_offset,
|
relocation,
|
relocation,
|
addend);
|
addend);
|
|
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
{
|
{
|
if (sym_name == NULL)
|
if (sym_name == NULL)
|
sym_name = "(null)";
|
sym_name = "(null)";
|
if (r == bfd_reloc_overflow)
|
if (r == bfd_reloc_overflow)
|
{
|
{
|
if (warned)
|
if (warned)
|
continue;
|
continue;
|
if (h != NULL
|
if (h != NULL
|
&& h->elf.root.type == bfd_link_hash_undefweak
|
&& h->elf.root.type == bfd_link_hash_undefweak
|
&& ppc64_elf_howto_table[r_type]->pc_relative)
|
&& ppc64_elf_howto_table[r_type]->pc_relative)
|
{
|
{
|
/* Assume this is a call protected by other code that
|
/* Assume this is a call protected by other code that
|
detects the symbol is undefined. If this is the case,
|
detects the symbol is undefined. If this is the case,
|
we can safely ignore the overflow. If not, the
|
we can safely ignore the overflow. If not, the
|
program is hosed anyway, and a little warning isn't
|
program is hosed anyway, and a little warning isn't
|
going to help. */
|
going to help. */
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
if (!((*info->callbacks->reloc_overflow)
|
if (!((*info->callbacks->reloc_overflow)
|
(info, (h ? &h->elf.root : NULL), sym_name,
|
(info, (h ? &h->elf.root : NULL), sym_name,
|
ppc64_elf_howto_table[r_type]->name,
|
ppc64_elf_howto_table[r_type]->name,
|
orig_addend, input_bfd, input_section, rel->r_offset)))
|
orig_addend, input_bfd, input_section, rel->r_offset)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
|
(_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
ppc64_elf_howto_table[r_type]->name,
|
ppc64_elf_howto_table[r_type]->name,
|
sym_name,
|
sym_name,
|
(int) r);
|
(int) r);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* If we're emitting relocations, then shortly after this function
|
/* If we're emitting relocations, then shortly after this function
|
returns, reloc offsets and addends for this section will be
|
returns, reloc offsets and addends for this section will be
|
adjusted. Worse, reloc symbol indices will be for the output
|
adjusted. Worse, reloc symbol indices will be for the output
|
file rather than the input. Save a copy of the relocs for
|
file rather than the input. Save a copy of the relocs for
|
opd_entry_value. */
|
opd_entry_value. */
|
if (is_opd && (info->emitrelocations || info->relocatable))
|
if (is_opd && (info->emitrelocations || info->relocatable))
|
{
|
{
|
bfd_size_type amt;
|
bfd_size_type amt;
|
amt = input_section->reloc_count * sizeof (Elf_Internal_Rela);
|
amt = input_section->reloc_count * sizeof (Elf_Internal_Rela);
|
rel = bfd_alloc (input_bfd, amt);
|
rel = bfd_alloc (input_bfd, amt);
|
BFD_ASSERT (ppc64_elf_tdata (input_bfd)->opd_relocs == NULL);
|
BFD_ASSERT (ppc64_elf_tdata (input_bfd)->opd_relocs == NULL);
|
ppc64_elf_tdata (input_bfd)->opd_relocs = rel;
|
ppc64_elf_tdata (input_bfd)->opd_relocs = rel;
|
if (rel == NULL)
|
if (rel == NULL)
|
return FALSE;
|
return FALSE;
|
memcpy (rel, relocs, amt);
|
memcpy (rel, relocs, amt);
|
}
|
}
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Adjust the value of any local symbols in opd sections. */
|
/* Adjust the value of any local symbols in opd sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_output_symbol_hook (struct bfd_link_info *info,
|
ppc64_elf_output_symbol_hook (struct bfd_link_info *info,
|
const char *name ATTRIBUTE_UNUSED,
|
const char *name ATTRIBUTE_UNUSED,
|
Elf_Internal_Sym *elfsym,
|
Elf_Internal_Sym *elfsym,
|
asection *input_sec,
|
asection *input_sec,
|
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h)
|
{
|
{
|
struct _opd_sec_data *opd;
|
struct _opd_sec_data *opd;
|
long adjust;
|
long adjust;
|
bfd_vma value;
|
bfd_vma value;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
return TRUE;
|
return TRUE;
|
|
|
opd = get_opd_info (input_sec);
|
opd = get_opd_info (input_sec);
|
if (opd == NULL || opd->adjust == NULL)
|
if (opd == NULL || opd->adjust == NULL)
|
return TRUE;
|
return TRUE;
|
|
|
value = elfsym->st_value - input_sec->output_offset;
|
value = elfsym->st_value - input_sec->output_offset;
|
if (!info->relocatable)
|
if (!info->relocatable)
|
value -= input_sec->output_section->vma;
|
value -= input_sec->output_section->vma;
|
|
|
adjust = opd->adjust[value / 8];
|
adjust = opd->adjust[value / 8];
|
if (adjust == -1)
|
if (adjust == -1)
|
elfsym->st_value = 0;
|
elfsym->st_value = 0;
|
else
|
else
|
elfsym->st_value += adjust;
|
elfsym->st_value += adjust;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Finish up dynamic symbol handling. We set the contents of various
|
/* Finish up dynamic symbol handling. We set the contents of various
|
dynamic sections here. */
|
dynamic sections here. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_finish_dynamic_symbol (bfd *output_bfd,
|
ppc64_elf_finish_dynamic_symbol (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
Elf_Internal_Sym *sym)
|
Elf_Internal_Sym *sym)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
|
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.offset != (bfd_vma) -1)
|
if (ent->plt.offset != (bfd_vma) -1)
|
{
|
{
|
/* This symbol has an entry in the procedure linkage
|
/* This symbol has an entry in the procedure linkage
|
table. Set it up. */
|
table. Set it up. */
|
|
|
if (htab->plt == NULL
|
if (htab->plt == NULL
|
|| htab->relplt == NULL
|
|| htab->relplt == NULL
|
|| htab->glink == NULL)
|
|| htab->glink == NULL)
|
abort ();
|
abort ();
|
|
|
/* Create a JMP_SLOT reloc to inform the dynamic linker to
|
/* Create a JMP_SLOT reloc to inform the dynamic linker to
|
fill in the PLT entry. */
|
fill in the PLT entry. */
|
rela.r_offset = (htab->plt->output_section->vma
|
rela.r_offset = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
|
rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
|
rela.r_addend = ent->addend;
|
rela.r_addend = ent->addend;
|
|
|
loc = htab->relplt->contents;
|
loc = htab->relplt->contents;
|
loc += ((ent->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
|
loc += ((ent->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
|
* sizeof (Elf64_External_Rela));
|
* sizeof (Elf64_External_Rela));
|
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
|
}
|
}
|
|
|
if (h->needs_copy)
|
if (h->needs_copy)
|
{
|
{
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol needs a copy reloc. Set it up. */
|
/* This symbol needs a copy reloc. Set it up. */
|
|
|
if (h->dynindx == -1
|
if (h->dynindx == -1
|
|| (h->root.type != bfd_link_hash_defined
|
|| (h->root.type != bfd_link_hash_defined
|
&& h->root.type != bfd_link_hash_defweak)
|
&& h->root.type != bfd_link_hash_defweak)
|
|| htab->relbss == NULL)
|
|| htab->relbss == NULL)
|
abort ();
|
abort ();
|
|
|
rela.r_offset = (h->root.u.def.value
|
rela.r_offset = (h->root.u.def.value
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_offset);
|
+ h->root.u.def.section->output_offset);
|
rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_COPY);
|
rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_COPY);
|
rela.r_addend = 0;
|
rela.r_addend = 0;
|
loc = htab->relbss->contents;
|
loc = htab->relbss->contents;
|
loc += htab->relbss->reloc_count++ * sizeof (Elf64_External_Rela);
|
loc += htab->relbss->reloc_count++ * sizeof (Elf64_External_Rela);
|
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
|
}
|
}
|
|
|
/* Mark some specially defined symbols as absolute. */
|
/* Mark some specially defined symbols as absolute. */
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0)
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0)
|
sym->st_shndx = SHN_ABS;
|
sym->st_shndx = SHN_ABS;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Used to decide how to sort relocs in an optimal manner for the
|
/* Used to decide how to sort relocs in an optimal manner for the
|
dynamic linker, before writing them out. */
|
dynamic linker, before writing them out. */
|
|
|
static enum elf_reloc_type_class
|
static enum elf_reloc_type_class
|
ppc64_elf_reloc_type_class (const Elf_Internal_Rela *rela)
|
ppc64_elf_reloc_type_class (const Elf_Internal_Rela *rela)
|
{
|
{
|
enum elf_ppc64_reloc_type r_type;
|
enum elf_ppc64_reloc_type r_type;
|
|
|
r_type = ELF64_R_TYPE (rela->r_info);
|
r_type = ELF64_R_TYPE (rela->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC64_RELATIVE:
|
case R_PPC64_RELATIVE:
|
return reloc_class_relative;
|
return reloc_class_relative;
|
case R_PPC64_JMP_SLOT:
|
case R_PPC64_JMP_SLOT:
|
return reloc_class_plt;
|
return reloc_class_plt;
|
case R_PPC64_COPY:
|
case R_PPC64_COPY:
|
return reloc_class_copy;
|
return reloc_class_copy;
|
default:
|
default:
|
return reloc_class_normal;
|
return reloc_class_normal;
|
}
|
}
|
}
|
}
|
|
|
/* Finish up the dynamic sections. */
|
/* Finish up the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
|
ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct ppc_link_hash_table *htab;
|
struct ppc_link_hash_table *htab;
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *sdyn;
|
asection *sdyn;
|
|
|
htab = ppc_hash_table (info);
|
htab = ppc_hash_table (info);
|
dynobj = htab->elf.dynobj;
|
dynobj = htab->elf.dynobj;
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
{
|
{
|
Elf64_External_Dyn *dyncon, *dynconend;
|
Elf64_External_Dyn *dyncon, *dynconend;
|
|
|
if (sdyn == NULL || htab->got == NULL)
|
if (sdyn == NULL || htab->got == NULL)
|
abort ();
|
abort ();
|
|
|
dyncon = (Elf64_External_Dyn *) sdyn->contents;
|
dyncon = (Elf64_External_Dyn *) sdyn->contents;
|
dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
|
dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
|
for (; dyncon < dynconend; dyncon++)
|
for (; dyncon < dynconend; dyncon++)
|
{
|
{
|
Elf_Internal_Dyn dyn;
|
Elf_Internal_Dyn dyn;
|
asection *s;
|
asection *s;
|
|
|
bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
|
bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
|
|
|
switch (dyn.d_tag)
|
switch (dyn.d_tag)
|
{
|
{
|
default:
|
default:
|
continue;
|
continue;
|
|
|
case DT_PPC64_GLINK:
|
case DT_PPC64_GLINK:
|
s = htab->glink;
|
s = htab->glink;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
/* We stupidly defined DT_PPC64_GLINK to be the start
|
/* We stupidly defined DT_PPC64_GLINK to be the start
|
of glink rather than the first entry point, which is
|
of glink rather than the first entry point, which is
|
what ld.so needs, and now have a bigger stub to
|
what ld.so needs, and now have a bigger stub to
|
support automatic multiple TOCs. */
|
support automatic multiple TOCs. */
|
dyn.d_un.d_ptr += GLINK_CALL_STUB_SIZE - 32;
|
dyn.d_un.d_ptr += GLINK_CALL_STUB_SIZE - 32;
|
break;
|
break;
|
|
|
case DT_PPC64_OPD:
|
case DT_PPC64_OPD:
|
s = bfd_get_section_by_name (output_bfd, ".opd");
|
s = bfd_get_section_by_name (output_bfd, ".opd");
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
dyn.d_un.d_ptr = s->vma;
|
dyn.d_un.d_ptr = s->vma;
|
break;
|
break;
|
|
|
case DT_PPC64_OPDSZ:
|
case DT_PPC64_OPDSZ:
|
s = bfd_get_section_by_name (output_bfd, ".opd");
|
s = bfd_get_section_by_name (output_bfd, ".opd");
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
dyn.d_un.d_val = s->size;
|
dyn.d_un.d_val = s->size;
|
break;
|
break;
|
|
|
case DT_PLTGOT:
|
case DT_PLTGOT:
|
s = htab->plt;
|
s = htab->plt;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
break;
|
break;
|
|
|
case DT_JMPREL:
|
case DT_JMPREL:
|
s = htab->relplt;
|
s = htab->relplt;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
break;
|
break;
|
|
|
case DT_PLTRELSZ:
|
case DT_PLTRELSZ:
|
dyn.d_un.d_val = htab->relplt->size;
|
dyn.d_un.d_val = htab->relplt->size;
|
break;
|
break;
|
|
|
case DT_RELASZ:
|
case DT_RELASZ:
|
/* Don't count procedure linkage table relocs in the
|
/* Don't count procedure linkage table relocs in the
|
overall reloc count. */
|
overall reloc count. */
|
s = htab->relplt;
|
s = htab->relplt;
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
dyn.d_un.d_val -= s->size;
|
dyn.d_un.d_val -= s->size;
|
break;
|
break;
|
|
|
case DT_RELA:
|
case DT_RELA:
|
/* We may not be using the standard ELF linker script.
|
/* We may not be using the standard ELF linker script.
|
If .rela.plt is the first .rela section, we adjust
|
If .rela.plt is the first .rela section, we adjust
|
DT_RELA to not include it. */
|
DT_RELA to not include it. */
|
s = htab->relplt;
|
s = htab->relplt;
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset)
|
if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset)
|
continue;
|
continue;
|
dyn.d_un.d_ptr += s->size;
|
dyn.d_un.d_ptr += s->size;
|
break;
|
break;
|
}
|
}
|
|
|
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
|
}
|
}
|
}
|
}
|
|
|
if (htab->got != NULL && htab->got->size != 0)
|
if (htab->got != NULL && htab->got->size != 0)
|
{
|
{
|
/* Fill in the first entry in the global offset table.
|
/* Fill in the first entry in the global offset table.
|
We use it to hold the link-time TOCbase. */
|
We use it to hold the link-time TOCbase. */
|
bfd_put_64 (output_bfd,
|
bfd_put_64 (output_bfd,
|
elf_gp (output_bfd) + TOC_BASE_OFF,
|
elf_gp (output_bfd) + TOC_BASE_OFF,
|
htab->got->contents);
|
htab->got->contents);
|
|
|
/* Set .got entry size. */
|
/* Set .got entry size. */
|
elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 8;
|
elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 8;
|
}
|
}
|
|
|
if (htab->plt != NULL && htab->plt->size != 0)
|
if (htab->plt != NULL && htab->plt->size != 0)
|
{
|
{
|
/* Set .plt entry size. */
|
/* Set .plt entry size. */
|
elf_section_data (htab->plt->output_section)->this_hdr.sh_entsize
|
elf_section_data (htab->plt->output_section)->this_hdr.sh_entsize
|
= PLT_ENTRY_SIZE;
|
= PLT_ENTRY_SIZE;
|
}
|
}
|
|
|
/* brlt is SEC_LINKER_CREATED, so we need to write out relocs for
|
/* brlt is SEC_LINKER_CREATED, so we need to write out relocs for
|
brlt ourselves if emitrelocations. */
|
brlt ourselves if emitrelocations. */
|
if (htab->brlt != NULL
|
if (htab->brlt != NULL
|
&& htab->brlt->reloc_count != 0
|
&& htab->brlt->reloc_count != 0
|
&& !_bfd_elf_link_output_relocs (output_bfd,
|
&& !_bfd_elf_link_output_relocs (output_bfd,
|
htab->brlt,
|
htab->brlt,
|
&elf_section_data (htab->brlt)->rel_hdr,
|
&elf_section_data (htab->brlt)->rel_hdr,
|
elf_section_data (htab->brlt)->relocs,
|
elf_section_data (htab->brlt)->relocs,
|
NULL))
|
NULL))
|
return FALSE;
|
return FALSE;
|
|
|
if (htab->glink != NULL
|
if (htab->glink != NULL
|
&& htab->glink->reloc_count != 0
|
&& htab->glink->reloc_count != 0
|
&& !_bfd_elf_link_output_relocs (output_bfd,
|
&& !_bfd_elf_link_output_relocs (output_bfd,
|
htab->glink,
|
htab->glink,
|
&elf_section_data (htab->glink)->rel_hdr,
|
&elf_section_data (htab->glink)->rel_hdr,
|
elf_section_data (htab->glink)->relocs,
|
elf_section_data (htab->glink)->relocs,
|
NULL))
|
NULL))
|
return FALSE;
|
return FALSE;
|
|
|
/* We need to handle writing out multiple GOT sections ourselves,
|
/* We need to handle writing out multiple GOT sections ourselves,
|
since we didn't add them to DYNOBJ. We know dynobj is the first
|
since we didn't add them to DYNOBJ. We know dynobj is the first
|
bfd. */
|
bfd. */
|
while ((dynobj = dynobj->link_next) != NULL)
|
while ((dynobj = dynobj->link_next) != NULL)
|
{
|
{
|
asection *s;
|
asection *s;
|
|
|
if (!is_ppc64_elf (dynobj))
|
if (!is_ppc64_elf (dynobj))
|
continue;
|
continue;
|
|
|
s = ppc64_elf_tdata (dynobj)->got;
|
s = ppc64_elf_tdata (dynobj)->got;
|
if (s != NULL
|
if (s != NULL
|
&& s->size != 0
|
&& s->size != 0
|
&& s->output_section != bfd_abs_section_ptr
|
&& s->output_section != bfd_abs_section_ptr
|
&& !bfd_set_section_contents (output_bfd, s->output_section,
|
&& !bfd_set_section_contents (output_bfd, s->output_section,
|
s->contents, s->output_offset,
|
s->contents, s->output_offset,
|
s->size))
|
s->size))
|
return FALSE;
|
return FALSE;
|
s = ppc64_elf_tdata (dynobj)->relgot;
|
s = ppc64_elf_tdata (dynobj)->relgot;
|
if (s != NULL
|
if (s != NULL
|
&& s->size != 0
|
&& s->size != 0
|
&& s->output_section != bfd_abs_section_ptr
|
&& s->output_section != bfd_abs_section_ptr
|
&& !bfd_set_section_contents (output_bfd, s->output_section,
|
&& !bfd_set_section_contents (output_bfd, s->output_section,
|
s->contents, s->output_offset,
|
s->contents, s->output_offset,
|
s->size))
|
s->size))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
#include "elf64-target.h"
|
#include "elf64-target.h"
|
|
|
