/* Renesas / SuperH SH specific support for 32-bit ELF
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/* Renesas / SuperH SH specific support for 32-bit ELF
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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Contributed by Ian Lance Taylor, Cygnus Support.
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Contributed by Ian Lance Taylor, Cygnus Support.
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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
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "sysdep.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-vxworks.h"
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#include "elf-vxworks.h"
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#include "elf/sh.h"
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#include "elf/sh.h"
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#include "libiberty.h"
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#include "libiberty.h"
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#include "../opcodes/sh-opc.h"
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#include "../opcodes/sh-opc.h"
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static bfd_reloc_status_type sh_elf_reloc
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static bfd_reloc_status_type sh_elf_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 sh_elf_ignore_reloc
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static bfd_reloc_status_type sh_elf_ignore_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_boolean sh_elf_relax_delete_bytes
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static bfd_boolean sh_elf_relax_delete_bytes
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(bfd *, asection *, bfd_vma, int);
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(bfd *, asection *, bfd_vma, int);
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static bfd_boolean sh_elf_align_loads
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static bfd_boolean sh_elf_align_loads
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(bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
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(bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
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#ifndef SH64_ELF
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#ifndef SH64_ELF
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static bfd_boolean sh_elf_swap_insns
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static bfd_boolean sh_elf_swap_insns
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(bfd *, asection *, void *, bfd_byte *, bfd_vma);
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(bfd *, asection *, void *, bfd_byte *, bfd_vma);
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#endif
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#endif
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static int sh_elf_optimized_tls_reloc
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static int sh_elf_optimized_tls_reloc
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(struct bfd_link_info *, int, int);
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(struct bfd_link_info *, int, int);
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static bfd_vma dtpoff_base
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static bfd_vma dtpoff_base
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(struct bfd_link_info *);
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(struct bfd_link_info *);
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static bfd_vma tpoff
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static bfd_vma tpoff
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(struct bfd_link_info *, bfd_vma);
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(struct bfd_link_info *, bfd_vma);
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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/libc.so.1"
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
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#define MINUS_ONE ((bfd_vma) 0 - 1)
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#define MINUS_ONE ((bfd_vma) 0 - 1)
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#define SH_PARTIAL32 TRUE
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#define SH_PARTIAL32 TRUE
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#define SH_SRC_MASK32 0xffffffff
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#define SH_SRC_MASK32 0xffffffff
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#define SH_ELF_RELOC sh_elf_reloc
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#define SH_ELF_RELOC sh_elf_reloc
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static reloc_howto_type sh_elf_howto_table[] =
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static reloc_howto_type sh_elf_howto_table[] =
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{
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{
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#include "elf32-sh-relocs.h"
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#include "elf32-sh-relocs.h"
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};
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};
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#define SH_PARTIAL32 FALSE
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#define SH_PARTIAL32 FALSE
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#define SH_SRC_MASK32 0
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#define SH_SRC_MASK32 0
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#define SH_ELF_RELOC bfd_elf_generic_reloc
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#define SH_ELF_RELOC bfd_elf_generic_reloc
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static reloc_howto_type sh_vxworks_howto_table[] =
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static reloc_howto_type sh_vxworks_howto_table[] =
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{
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{
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#include "elf32-sh-relocs.h"
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#include "elf32-sh-relocs.h"
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};
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};
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/* Return true if OUTPUT_BFD is a VxWorks object. */
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/* Return true if OUTPUT_BFD is a VxWorks object. */
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static bfd_boolean
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static bfd_boolean
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vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
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vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED)
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{
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{
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#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
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#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
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extern const bfd_target bfd_elf32_shlvxworks_vec;
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extern const bfd_target bfd_elf32_shlvxworks_vec;
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extern const bfd_target bfd_elf32_shvxworks_vec;
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extern const bfd_target bfd_elf32_shvxworks_vec;
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return (abfd->xvec == &bfd_elf32_shlvxworks_vec
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return (abfd->xvec == &bfd_elf32_shlvxworks_vec
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|| abfd->xvec == &bfd_elf32_shvxworks_vec);
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|| abfd->xvec == &bfd_elf32_shvxworks_vec);
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#else
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#else
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return FALSE;
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return FALSE;
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#endif
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#endif
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}
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}
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/* Return the howto table for ABFD. */
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/* Return the howto table for ABFD. */
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static reloc_howto_type *
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static reloc_howto_type *
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get_howto_table (bfd *abfd)
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get_howto_table (bfd *abfd)
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{
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{
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if (vxworks_object_p (abfd))
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if (vxworks_object_p (abfd))
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return sh_vxworks_howto_table;
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return sh_vxworks_howto_table;
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return sh_elf_howto_table;
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return sh_elf_howto_table;
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}
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}
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
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sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
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asection *input_section, bfd_byte *contents,
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asection *input_section, bfd_byte *contents,
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bfd_vma addr, asection *symbol_section,
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bfd_vma addr, asection *symbol_section,
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bfd_vma start, bfd_vma end)
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bfd_vma start, bfd_vma end)
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{
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{
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static bfd_vma last_addr;
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static bfd_vma last_addr;
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static asection *last_symbol_section;
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static asection *last_symbol_section;
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bfd_byte *start_ptr, *ptr, *last_ptr;
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bfd_byte *start_ptr, *ptr, *last_ptr;
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int diff, cum_diff;
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int diff, cum_diff;
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bfd_signed_vma x;
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bfd_signed_vma x;
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int insn;
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int insn;
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/* Sanity check the address. */
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/* Sanity check the address. */
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if (addr > bfd_get_section_limit (input_bfd, input_section))
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if (addr > bfd_get_section_limit (input_bfd, input_section))
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return bfd_reloc_outofrange;
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return bfd_reloc_outofrange;
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/* We require the start and end relocations to be processed consecutively -
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/* We require the start and end relocations to be processed consecutively -
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although we allow then to be processed forwards or backwards. */
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although we allow then to be processed forwards or backwards. */
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if (! last_addr)
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if (! last_addr)
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{
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{
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last_addr = addr;
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last_addr = addr;
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last_symbol_section = symbol_section;
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last_symbol_section = symbol_section;
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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}
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}
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if (last_addr != addr)
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if (last_addr != addr)
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abort ();
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abort ();
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last_addr = 0;
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last_addr = 0;
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if (! symbol_section || last_symbol_section != symbol_section || end < start)
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if (! symbol_section || last_symbol_section != symbol_section || end < start)
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return bfd_reloc_outofrange;
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return bfd_reloc_outofrange;
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/* Get the symbol_section contents. */
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/* Get the symbol_section contents. */
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if (symbol_section != input_section)
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if (symbol_section != input_section)
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{
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{
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if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
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if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
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contents = elf_section_data (symbol_section)->this_hdr.contents;
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contents = elf_section_data (symbol_section)->this_hdr.contents;
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else
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else
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{
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{
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if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
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if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
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&contents))
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&contents))
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{
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{
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if (contents != NULL)
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if (contents != NULL)
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free (contents);
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free (contents);
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return bfd_reloc_outofrange;
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return bfd_reloc_outofrange;
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}
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}
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}
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}
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}
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}
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#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
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#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
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start_ptr = contents + start;
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start_ptr = contents + start;
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for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
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for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
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{
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{
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for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
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for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
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ptr -= 2;
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ptr -= 2;
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ptr += 2;
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ptr += 2;
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diff = (last_ptr - ptr) >> 1;
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diff = (last_ptr - ptr) >> 1;
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cum_diff += diff & 1;
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cum_diff += diff & 1;
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cum_diff += diff;
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cum_diff += diff;
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}
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}
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/* Calculate the start / end values to load into rs / re minus four -
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/* Calculate the start / end values to load into rs / re minus four -
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so that will cancel out the four we would otherwise have to add to
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so that will cancel out the four we would otherwise have to add to
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addr to get the value to subtract in order to get relative addressing. */
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addr to get the value to subtract in order to get relative addressing. */
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if (cum_diff >= 0)
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if (cum_diff >= 0)
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{
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{
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start -= 4;
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start -= 4;
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end = (ptr + cum_diff * 2) - contents;
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end = (ptr + cum_diff * 2) - contents;
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}
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}
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else
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else
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{
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{
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bfd_vma start0 = start - 4;
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bfd_vma start0 = start - 4;
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while (start0 && IS_PPI (contents + start0))
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while (start0 && IS_PPI (contents + start0))
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start0 -= 2;
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start0 -= 2;
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start0 = start - 2 - ((start - start0) & 2);
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start0 = start - 2 - ((start - start0) & 2);
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start = start0 - cum_diff - 2;
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start = start0 - cum_diff - 2;
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end = start0;
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end = start0;
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}
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}
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if (contents != NULL
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if (contents != NULL
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&& elf_section_data (symbol_section)->this_hdr.contents != contents)
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&& elf_section_data (symbol_section)->this_hdr.contents != contents)
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free (contents);
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free (contents);
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insn = bfd_get_16 (input_bfd, contents + addr);
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insn = bfd_get_16 (input_bfd, contents + addr);
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x = (insn & 0x200 ? end : start) - addr;
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x = (insn & 0x200 ? end : start) - addr;
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if (input_section != symbol_section)
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if (input_section != symbol_section)
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x += ((symbol_section->output_section->vma + symbol_section->output_offset)
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x += ((symbol_section->output_section->vma + symbol_section->output_offset)
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- (input_section->output_section->vma
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- (input_section->output_section->vma
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+ input_section->output_offset));
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+ input_section->output_offset));
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x >>= 1;
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x >>= 1;
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if (x < -128 || x > 127)
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if (x < -128 || x > 127)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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x = (insn & ~0xff) | (x & 0xff);
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x = (insn & ~0xff) | (x & 0xff);
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bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
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bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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}
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}
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/* This function is used for normal relocs. This used to be like the COFF
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/* This function is used for normal relocs. This used to be like the COFF
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function, and is almost certainly incorrect for other ELF targets. */
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function, and is almost certainly incorrect for other ELF targets. */
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
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sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
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void *data, asection *input_section, bfd *output_bfd,
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void *data, asection *input_section, bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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char **error_message ATTRIBUTE_UNUSED)
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{
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{
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unsigned long insn;
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unsigned long insn;
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bfd_vma sym_value;
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bfd_vma sym_value;
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enum elf_sh_reloc_type r_type;
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enum elf_sh_reloc_type r_type;
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bfd_vma addr = reloc_entry->address;
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bfd_vma addr = reloc_entry->address;
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bfd_byte *hit_data = addr + (bfd_byte *) data;
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bfd_byte *hit_data = addr + (bfd_byte *) data;
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r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
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r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
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if (output_bfd != NULL)
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if (output_bfd != NULL)
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{
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{
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/* Partial linking--do nothing. */
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/* Partial linking--do nothing. */
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reloc_entry->address += input_section->output_offset;
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reloc_entry->address += input_section->output_offset;
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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}
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}
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/* Almost all relocs have to do with relaxing. If any work must be
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/* Almost all relocs have to do with relaxing. If any work must be
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done for them, it has been done in sh_relax_section. */
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done for them, it has been done in sh_relax_section. */
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if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
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if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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|
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if (symbol_in != NULL
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if (symbol_in != NULL
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&& bfd_is_und_section (symbol_in->section))
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&& bfd_is_und_section (symbol_in->section))
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return bfd_reloc_undefined;
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return bfd_reloc_undefined;
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if (bfd_is_com_section (symbol_in->section))
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if (bfd_is_com_section (symbol_in->section))
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sym_value = 0;
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sym_value = 0;
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else
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else
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sym_value = (symbol_in->value +
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sym_value = (symbol_in->value +
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symbol_in->section->output_section->vma +
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symbol_in->section->output_section->vma +
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symbol_in->section->output_offset);
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symbol_in->section->output_offset);
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|
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switch (r_type)
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switch (r_type)
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{
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{
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case R_SH_DIR32:
|
case R_SH_DIR32:
|
insn = bfd_get_32 (abfd, hit_data);
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insn = bfd_get_32 (abfd, hit_data);
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insn += sym_value + reloc_entry->addend;
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insn += sym_value + reloc_entry->addend;
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bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
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bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
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break;
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break;
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case R_SH_IND12W:
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case R_SH_IND12W:
|
insn = bfd_get_16 (abfd, hit_data);
|
insn = bfd_get_16 (abfd, hit_data);
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sym_value += reloc_entry->addend;
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sym_value += reloc_entry->addend;
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sym_value -= (input_section->output_section->vma
|
sym_value -= (input_section->output_section->vma
|
+ input_section->output_offset
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+ input_section->output_offset
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+ addr
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+ addr
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+ 4);
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+ 4);
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sym_value += (insn & 0xfff) << 1;
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sym_value += (insn & 0xfff) << 1;
|
if (insn & 0x800)
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if (insn & 0x800)
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sym_value -= 0x1000;
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sym_value -= 0x1000;
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insn = (insn & 0xf000) | (sym_value & 0xfff);
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insn = (insn & 0xf000) | (sym_value & 0xfff);
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bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
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bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
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if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
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if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
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return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
break;
|
break;
|
default:
|
default:
|
abort ();
|
abort ();
|
break;
|
break;
|
}
|
}
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* This function is used for relocs which are only used for relaxing,
|
/* This function is used for relocs which are only used for relaxing,
|
which the linker should otherwise ignore. */
|
which the linker should otherwise ignore. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
|
sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
void *data ATTRIBUTE_UNUSED, asection *input_section,
|
void *data ATTRIBUTE_UNUSED, asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* This structure is used to map BFD reloc codes to SH ELF relocs. */
|
/* This structure is used to map BFD reloc codes to SH ELF relocs. */
|
|
|
struct elf_reloc_map
|
struct elf_reloc_map
|
{
|
{
|
bfd_reloc_code_real_type bfd_reloc_val;
|
bfd_reloc_code_real_type bfd_reloc_val;
|
unsigned char elf_reloc_val;
|
unsigned char elf_reloc_val;
|
};
|
};
|
|
|
/* An array mapping BFD reloc codes to SH ELF relocs. */
|
/* An array mapping BFD reloc codes to SH ELF relocs. */
|
|
|
static const struct elf_reloc_map sh_reloc_map[] =
|
static const struct elf_reloc_map sh_reloc_map[] =
|
{
|
{
|
{ BFD_RELOC_NONE, R_SH_NONE },
|
{ BFD_RELOC_NONE, R_SH_NONE },
|
{ BFD_RELOC_32, R_SH_DIR32 },
|
{ BFD_RELOC_32, R_SH_DIR32 },
|
{ BFD_RELOC_16, R_SH_DIR16 },
|
{ BFD_RELOC_16, R_SH_DIR16 },
|
{ BFD_RELOC_8, R_SH_DIR8 },
|
{ BFD_RELOC_8, R_SH_DIR8 },
|
{ BFD_RELOC_CTOR, R_SH_DIR32 },
|
{ BFD_RELOC_CTOR, R_SH_DIR32 },
|
{ BFD_RELOC_32_PCREL, R_SH_REL32 },
|
{ BFD_RELOC_32_PCREL, R_SH_REL32 },
|
{ BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
|
{ BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
|
{ BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
|
{ BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
|
{ BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
|
{ BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
|
{ BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
|
{ BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
|
{ BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
|
{ BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
|
{ BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
|
{ BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
|
{ BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
|
{ BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
|
{ BFD_RELOC_SH_USES, R_SH_USES },
|
{ BFD_RELOC_SH_USES, R_SH_USES },
|
{ BFD_RELOC_SH_COUNT, R_SH_COUNT },
|
{ BFD_RELOC_SH_COUNT, R_SH_COUNT },
|
{ BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
|
{ BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
|
{ BFD_RELOC_SH_CODE, R_SH_CODE },
|
{ BFD_RELOC_SH_CODE, R_SH_CODE },
|
{ BFD_RELOC_SH_DATA, R_SH_DATA },
|
{ BFD_RELOC_SH_DATA, R_SH_DATA },
|
{ BFD_RELOC_SH_LABEL, R_SH_LABEL },
|
{ BFD_RELOC_SH_LABEL, R_SH_LABEL },
|
{ BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
|
{ BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
|
{ BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
|
{ BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
|
{ BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
|
{ BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
|
{ BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
|
{ BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
|
{ BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
|
{ BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
|
{ BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
|
{ BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
|
{ BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
|
{ BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
|
{ BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
|
{ BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
|
{ BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
|
{ BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
|
{ BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
|
{ BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
|
{ BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
|
{ BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
|
{ BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
|
{ BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
|
{ BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
|
{ BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
|
{ BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
|
{ BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
|
{ BFD_RELOC_SH_COPY, R_SH_COPY },
|
{ BFD_RELOC_SH_COPY, R_SH_COPY },
|
{ BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
|
{ BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
|
{ BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
|
{ BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
|
{ BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
|
{ BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
|
{ BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
|
{ BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
|
{ BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
|
{ BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
|
{ BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
|
{ BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
{ BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
|
{ BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
|
{ BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
|
{ BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
|
{ BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
|
{ BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
|
{ BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
|
{ BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
|
{ BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
|
{ BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
|
{ BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
|
{ BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
|
{ BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
|
{ BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
|
{ BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
|
{ BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
|
{ BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
|
{ BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
|
{ BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
|
{ BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
|
{ BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
|
{ BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
|
{ BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
|
{ BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
|
{ BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
|
{ BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
|
{ BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
|
{ BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
|
{ BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
|
{ BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
|
{ BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
|
{ BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
|
{ BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
|
{ BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
|
{ BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
|
{ BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
|
{ BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
|
{ BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
|
{ BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
|
{ BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
|
{ BFD_RELOC_SH_COPY64, R_SH_COPY64 },
|
{ BFD_RELOC_SH_COPY64, R_SH_COPY64 },
|
{ BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
|
{ BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
|
{ BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
|
{ BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
|
{ BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
|
{ BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
|
{ BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
|
{ BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
|
{ BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
|
{ BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
|
{ BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
|
{ BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
|
{ BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
|
{ BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
|
{ BFD_RELOC_SH_PT_16, R_SH_PT_16 },
|
{ BFD_RELOC_SH_PT_16, R_SH_PT_16 },
|
{ BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
|
{ BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
|
{ BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
|
{ BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
|
{ BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
|
{ BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
|
{ BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
|
{ BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
|
{ BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
|
{ BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
|
{ BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
|
{ BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
|
{ BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
|
{ BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
|
{ BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
|
{ BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
|
{ BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
|
{ BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
|
{ BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
|
{ BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
|
{ BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
|
{ BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
|
{ BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
|
{ BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
|
{ BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
|
{ BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
|
{ BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
|
{ BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
|
{ BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
|
{ BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
|
{ BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
|
{ BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
|
{ BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
|
{ BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
|
{ BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
|
{ BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
|
{ BFD_RELOC_64, R_SH_64 },
|
{ BFD_RELOC_64, R_SH_64 },
|
{ BFD_RELOC_64_PCREL, R_SH_64_PCREL },
|
{ BFD_RELOC_64_PCREL, R_SH_64_PCREL },
|
#endif /* not INCLUDE_SHMEDIA */
|
#endif /* not INCLUDE_SHMEDIA */
|
};
|
};
|
|
|
/* Given a BFD reloc code, return the howto structure for the
|
/* Given a BFD reloc code, return the howto structure for the
|
corresponding SH ELF reloc. */
|
corresponding SH ELF reloc. */
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
|
sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
|
for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
|
{
|
{
|
if (sh_reloc_map[i].bfd_reloc_val == code)
|
if (sh_reloc_map[i].bfd_reloc_val == code)
|
return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
|
return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
|
sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
if (vxworks_object_p (abfd))
|
if (vxworks_object_p (abfd))
|
{
|
{
|
for (i = 0;
|
for (i = 0;
|
i < (sizeof (sh_vxworks_howto_table)
|
i < (sizeof (sh_vxworks_howto_table)
|
/ sizeof (sh_vxworks_howto_table[0]));
|
/ sizeof (sh_vxworks_howto_table[0]));
|
i++)
|
i++)
|
if (sh_vxworks_howto_table[i].name != NULL
|
if (sh_vxworks_howto_table[i].name != NULL
|
&& strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
|
&& strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0)
|
return &sh_vxworks_howto_table[i];
|
return &sh_vxworks_howto_table[i];
|
}
|
}
|
else
|
else
|
{
|
{
|
for (i = 0;
|
for (i = 0;
|
i < (sizeof (sh_elf_howto_table)
|
i < (sizeof (sh_elf_howto_table)
|
/ sizeof (sh_elf_howto_table[0]));
|
/ sizeof (sh_elf_howto_table[0]));
|
i++)
|
i++)
|
if (sh_elf_howto_table[i].name != NULL
|
if (sh_elf_howto_table[i].name != NULL
|
&& strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
|
&& strcasecmp (sh_elf_howto_table[i].name, r_name) == 0)
|
return &sh_elf_howto_table[i];
|
return &sh_elf_howto_table[i];
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Given an ELF reloc, fill in the howto field of a relent. */
|
/* Given an ELF reloc, fill in the howto field of a relent. */
|
|
|
static void
|
static void
|
sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
|
sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
|
{
|
{
|
unsigned int r;
|
unsigned int r;
|
|
|
r = ELF32_R_TYPE (dst->r_info);
|
r = ELF32_R_TYPE (dst->r_info);
|
|
|
BFD_ASSERT (r < (unsigned int) R_SH_max);
|
BFD_ASSERT (r < (unsigned int) R_SH_max);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
|
|
|
cache_ptr->howto = get_howto_table (abfd) + r;
|
cache_ptr->howto = get_howto_table (abfd) + r;
|
}
|
}
|
|
|
/* This function handles relaxing for SH ELF. See the corresponding
|
/* This function handles relaxing for SH ELF. See the corresponding
|
function in coff-sh.c for a description of what this does. FIXME:
|
function in coff-sh.c for a description of what this does. FIXME:
|
There is a lot of duplication here between this code and the COFF
|
There is a lot of duplication here between this code and the COFF
|
specific code. The format of relocs and symbols is wound deeply
|
specific code. The format of relocs and symbols is wound deeply
|
into this code, but it would still be better if the duplication
|
into this code, but it would still be better if the duplication
|
could be eliminated somehow. Note in particular that although both
|
could be eliminated somehow. Note in particular that although both
|
functions use symbols like R_SH_CODE, those symbols have different
|
functions use symbols like R_SH_CODE, those symbols have different
|
values; in coff-sh.c they come from include/coff/sh.h, whereas here
|
values; in coff-sh.c they come from include/coff/sh.h, whereas here
|
they come from enum elf_sh_reloc_type in include/elf/sh.h. */
|
they come from enum elf_sh_reloc_type in include/elf/sh.h. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_relax_section (bfd *abfd, asection *sec,
|
sh_elf_relax_section (bfd *abfd, asection *sec,
|
struct bfd_link_info *link_info, bfd_boolean *again)
|
struct bfd_link_info *link_info, bfd_boolean *again)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *internal_relocs;
|
bfd_boolean have_code;
|
bfd_boolean have_code;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
bfd_byte *contents = NULL;
|
bfd_byte *contents = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
|
|
*again = FALSE;
|
*again = FALSE;
|
|
|
if (link_info->relocatable
|
if (link_info->relocatable
|
|| (sec->flags & SEC_RELOC) == 0
|
|| (sec->flags & SEC_RELOC) == 0
|
|| sec->reloc_count == 0)
|
|| sec->reloc_count == 0)
|
return TRUE;
|
return TRUE;
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (elf_section_data (sec)->this_hdr.sh_flags
|
if (elf_section_data (sec)->this_hdr.sh_flags
|
& (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
|
& (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
|
{
|
{
|
return TRUE;
|
return TRUE;
|
}
|
}
|
#endif
|
#endif
|
|
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
|
|
internal_relocs = (_bfd_elf_link_read_relocs
|
internal_relocs = (_bfd_elf_link_read_relocs
|
(abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
|
(abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
|
link_info->keep_memory));
|
link_info->keep_memory));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
have_code = FALSE;
|
have_code = FALSE;
|
|
|
irelend = internal_relocs + sec->reloc_count;
|
irelend = internal_relocs + sec->reloc_count;
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
bfd_vma laddr, paddr, symval;
|
bfd_vma laddr, paddr, symval;
|
unsigned short insn;
|
unsigned short insn;
|
Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
|
Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
|
bfd_signed_vma foff;
|
bfd_signed_vma foff;
|
|
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
|
have_code = TRUE;
|
have_code = TRUE;
|
|
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
|
continue;
|
continue;
|
|
|
/* Get the section contents. */
|
/* Get the section contents. */
|
if (contents == NULL)
|
if (contents == NULL)
|
{
|
{
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
else
|
else
|
{
|
{
|
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
|
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
}
|
}
|
|
|
/* The r_addend field of the R_SH_USES reloc will point us to
|
/* The r_addend field of the R_SH_USES reloc will point us to
|
the register load. The 4 is because the r_addend field is
|
the register load. The 4 is because the r_addend field is
|
computed as though it were a jump offset, which are based
|
computed as though it were a jump offset, which are based
|
from 4 bytes after the jump instruction. */
|
from 4 bytes after the jump instruction. */
|
laddr = irel->r_offset + 4 + irel->r_addend;
|
laddr = irel->r_offset + 4 + irel->r_addend;
|
if (laddr >= sec->size)
|
if (laddr >= sec->size)
|
{
|
{
|
(*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
|
(*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
|
abfd,
|
abfd,
|
(unsigned long) irel->r_offset);
|
(unsigned long) irel->r_offset);
|
continue;
|
continue;
|
}
|
}
|
insn = bfd_get_16 (abfd, contents + laddr);
|
insn = bfd_get_16 (abfd, contents + laddr);
|
|
|
/* If the instruction is not mov.l NN,rN, we don't know what to
|
/* If the instruction is not mov.l NN,rN, we don't know what to
|
do. */
|
do. */
|
if ((insn & 0xf000) != 0xd000)
|
if ((insn & 0xf000) != 0xd000)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
|
(_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
|
abfd, (unsigned long) irel->r_offset, insn));
|
abfd, (unsigned long) irel->r_offset, insn));
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Get the address from which the register is being loaded. The
|
/* Get the address from which the register is being loaded. The
|
displacement in the mov.l instruction is quadrupled. It is a
|
displacement in the mov.l instruction is quadrupled. It is a
|
displacement from four bytes after the movl instruction, but,
|
displacement from four bytes after the movl instruction, but,
|
before adding in the PC address, two least significant bits
|
before adding in the PC address, two least significant bits
|
of the PC are cleared. We assume that the section is aligned
|
of the PC are cleared. We assume that the section is aligned
|
on a four byte boundary. */
|
on a four byte boundary. */
|
paddr = insn & 0xff;
|
paddr = insn & 0xff;
|
paddr *= 4;
|
paddr *= 4;
|
paddr += (laddr + 4) &~ (bfd_vma) 3;
|
paddr += (laddr + 4) &~ (bfd_vma) 3;
|
if (paddr >= sec->size)
|
if (paddr >= sec->size)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
|
(_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
|
abfd, (unsigned long) irel->r_offset));
|
abfd, (unsigned long) irel->r_offset));
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Get the reloc for the address from which the register is
|
/* Get the reloc for the address from which the register is
|
being loaded. This reloc will tell us which function is
|
being loaded. This reloc will tell us which function is
|
actually being called. */
|
actually being called. */
|
for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
|
for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
|
if (irelfn->r_offset == paddr
|
if (irelfn->r_offset == paddr
|
&& ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
|
&& ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
|
break;
|
break;
|
if (irelfn >= irelend)
|
if (irelfn >= irelend)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: warning: could not find expected reloc"),
|
(_("%B: 0x%lx: warning: could not find expected reloc"),
|
abfd, (unsigned long) paddr));
|
abfd, (unsigned long) paddr));
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Read this BFD's symbols if we haven't done so already. */
|
/* Read this BFD's symbols if we haven't done so already. */
|
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
|
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
|
{
|
{
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
|
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
|
symtab_hdr->sh_info, 0,
|
symtab_hdr->sh_info, 0,
|
NULL, NULL, NULL);
|
NULL, NULL, NULL);
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
/* Get the value of the symbol referred to by the reloc. */
|
/* Get the value of the symbol referred to by the reloc. */
|
if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
|
if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
|
{
|
{
|
/* A local symbol. */
|
/* A local symbol. */
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
|
|
isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
|
isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
|
if (isym->st_shndx
|
if (isym->st_shndx
|
!= (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
|
!= (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: warning: symbol in unexpected section"),
|
(_("%B: 0x%lx: warning: symbol in unexpected section"),
|
abfd, (unsigned long) paddr));
|
abfd, (unsigned long) paddr));
|
continue;
|
continue;
|
}
|
}
|
|
|
symval = (isym->st_value
|
symval = (isym->st_value
|
+ sec->output_section->vma
|
+ sec->output_section->vma
|
+ sec->output_offset);
|
+ sec->output_offset);
|
}
|
}
|
else
|
else
|
{
|
{
|
unsigned long indx;
|
unsigned long indx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
|
indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
|
h = elf_sym_hashes (abfd)[indx];
|
h = elf_sym_hashes (abfd)[indx];
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (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)
|
{
|
{
|
/* This appears to be a reference to an undefined
|
/* This appears to be a reference to an undefined
|
symbol. Just ignore it--it will be caught by the
|
symbol. Just ignore it--it will be caught by the
|
regular reloc processing. */
|
regular reloc processing. */
|
continue;
|
continue;
|
}
|
}
|
|
|
symval = (h->root.u.def.value
|
symval = (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);
|
}
|
}
|
|
|
if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
|
if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
|
symval += bfd_get_32 (abfd, contents + paddr);
|
symval += bfd_get_32 (abfd, contents + paddr);
|
else
|
else
|
symval += irelfn->r_addend;
|
symval += irelfn->r_addend;
|
|
|
/* See if this function call can be shortened. */
|
/* See if this function call can be shortened. */
|
foff = (symval
|
foff = (symval
|
- (irel->r_offset
|
- (irel->r_offset
|
+ sec->output_section->vma
|
+ sec->output_section->vma
|
+ sec->output_offset
|
+ sec->output_offset
|
+ 4));
|
+ 4));
|
/* A branch to an address beyond ours might be increased by an
|
/* A branch to an address beyond ours might be increased by an
|
.align that doesn't move when bytes behind us are deleted.
|
.align that doesn't move when bytes behind us are deleted.
|
So, we add some slop in this calculation to allow for
|
So, we add some slop in this calculation to allow for
|
that. */
|
that. */
|
if (foff < -0x1000 || foff >= 0x1000 - 8)
|
if (foff < -0x1000 || foff >= 0x1000 - 8)
|
{
|
{
|
/* After all that work, we can't shorten this function call. */
|
/* After all that work, we can't shorten this function call. */
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Shorten the function call. */
|
/* Shorten the function call. */
|
|
|
/* For simplicity of coding, we are going to modify the section
|
/* For simplicity of coding, we are going to modify the section
|
contents, the section relocs, and the BFD symbol table. We
|
contents, the section relocs, and the BFD symbol table. We
|
must tell the rest of the code not to free up this
|
must tell the rest of the code not to free up this
|
information. It would be possible to instead create a table
|
information. It would be possible to instead create a table
|
of changes which have to be made, as is done in coff-mips.c;
|
of changes which have to be made, as is done in coff-mips.c;
|
that would be more work, but would require less memory when
|
that would be more work, but would require less memory when
|
the linker is run. */
|
the linker is run. */
|
|
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
|
|
/* Replace the jsr with a bsr. */
|
/* Replace the jsr with a bsr. */
|
|
|
/* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
|
/* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
|
replace the jsr with a bsr. */
|
replace the jsr with a bsr. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
|
/* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
|
/* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
|
here, but that only checks if the symbol is an external symbol,
|
here, but that only checks if the symbol is an external symbol,
|
not if the symbol is in a different section. Besides, we need
|
not if the symbol is in a different section. Besides, we need
|
a consistent meaning for the relocation, so we just assume here that
|
a consistent meaning for the relocation, so we just assume here that
|
the value of the symbol is not available. */
|
the value of the symbol is not available. */
|
|
|
/* We can't fully resolve this yet, because the external
|
/* We can't fully resolve this yet, because the external
|
symbol value may be changed by future relaxing. We let
|
symbol value may be changed by future relaxing. We let
|
the final link phase handle it. */
|
the final link phase handle it. */
|
bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
|
bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
|
|
|
irel->r_addend = -4;
|
irel->r_addend = -4;
|
|
|
/* When we calculated the symbol "value" we had an offset in the
|
/* When we calculated the symbol "value" we had an offset in the
|
DIR32's word in memory (we read and add it above). However,
|
DIR32's word in memory (we read and add it above). However,
|
the jsr we create does NOT have this offset encoded, so we
|
the jsr we create does NOT have this offset encoded, so we
|
have to add it to the addend to preserve it. */
|
have to add it to the addend to preserve it. */
|
irel->r_addend += bfd_get_32 (abfd, contents + paddr);
|
irel->r_addend += bfd_get_32 (abfd, contents + paddr);
|
|
|
/* See if there is another R_SH_USES reloc referring to the same
|
/* See if there is another R_SH_USES reloc referring to the same
|
register load. */
|
register load. */
|
for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
|
for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
|
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
|
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
|
&& laddr == irelscan->r_offset + 4 + irelscan->r_addend)
|
&& laddr == irelscan->r_offset + 4 + irelscan->r_addend)
|
break;
|
break;
|
if (irelscan < irelend)
|
if (irelscan < irelend)
|
{
|
{
|
/* Some other function call depends upon this register load,
|
/* Some other function call depends upon this register load,
|
and we have not yet converted that function call.
|
and we have not yet converted that function call.
|
Indeed, we may never be able to convert it. There is
|
Indeed, we may never be able to convert it. There is
|
nothing else we can do at this point. */
|
nothing else we can do at this point. */
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Look for a R_SH_COUNT reloc on the location where the
|
/* Look for a R_SH_COUNT reloc on the location where the
|
function address is stored. Do this before deleting any
|
function address is stored. Do this before deleting any
|
bytes, to avoid confusion about the address. */
|
bytes, to avoid confusion about the address. */
|
for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
|
for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
|
if (irelcount->r_offset == paddr
|
if (irelcount->r_offset == paddr
|
&& ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
|
&& ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
|
break;
|
break;
|
|
|
/* Delete the register load. */
|
/* Delete the register load. */
|
if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
|
if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, just in case it permits some
|
/* That will change things, so, just in case it permits some
|
other function call to come within range, we should relax
|
other function call to come within range, we should relax
|
again. Note that this is not required, and it may be slow. */
|
again. Note that this is not required, and it may be slow. */
|
*again = TRUE;
|
*again = TRUE;
|
|
|
/* Now check whether we got a COUNT reloc. */
|
/* Now check whether we got a COUNT reloc. */
|
if (irelcount >= irelend)
|
if (irelcount >= irelend)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
|
(_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
|
abfd, (unsigned long) paddr));
|
abfd, (unsigned long) paddr));
|
continue;
|
continue;
|
}
|
}
|
|
|
/* The number of uses is stored in the r_addend field. We've
|
/* The number of uses is stored in the r_addend field. We've
|
just deleted one. */
|
just deleted one. */
|
if (irelcount->r_addend == 0)
|
if (irelcount->r_addend == 0)
|
{
|
{
|
((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
|
((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
|
abfd,
|
abfd,
|
(unsigned long) paddr));
|
(unsigned long) paddr));
|
continue;
|
continue;
|
}
|
}
|
|
|
--irelcount->r_addend;
|
--irelcount->r_addend;
|
|
|
/* If there are no more uses, we can delete the address. Reload
|
/* If there are no more uses, we can delete the address. Reload
|
the address from irelfn, in case it was changed by the
|
the address from irelfn, in case it was changed by the
|
previous call to sh_elf_relax_delete_bytes. */
|
previous call to sh_elf_relax_delete_bytes. */
|
if (irelcount->r_addend == 0)
|
if (irelcount->r_addend == 0)
|
{
|
{
|
if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
|
if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
/* We've done all we can with that function call. */
|
/* We've done all we can with that function call. */
|
}
|
}
|
|
|
/* Look for load and store instructions that we can align on four
|
/* Look for load and store instructions that we can align on four
|
byte boundaries. */
|
byte boundaries. */
|
if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
|
if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
|
&& have_code)
|
&& have_code)
|
{
|
{
|
bfd_boolean swapped;
|
bfd_boolean swapped;
|
|
|
/* Get the section contents. */
|
/* Get the section contents. */
|
if (contents == NULL)
|
if (contents == NULL)
|
{
|
{
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
else
|
else
|
{
|
{
|
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
|
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
}
|
}
|
|
|
if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
|
if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
|
&swapped))
|
&swapped))
|
goto error_return;
|
goto error_return;
|
|
|
if (swapped)
|
if (swapped)
|
{
|
{
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
}
|
}
|
}
|
}
|
|
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (isymbuf);
|
free (isymbuf);
|
else
|
else
|
{
|
{
|
/* Cache the symbols for elf_link_input_bfd. */
|
/* Cache the symbols for elf_link_input_bfd. */
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
}
|
}
|
}
|
}
|
|
|
if (contents != NULL
|
if (contents != NULL
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (contents);
|
free (contents);
|
else
|
else
|
{
|
{
|
/* Cache the section contents for elf_link_input_bfd. */
|
/* Cache the section contents for elf_link_input_bfd. */
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
}
|
}
|
}
|
}
|
|
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
|
|
return TRUE;
|
return TRUE;
|
|
|
error_return:
|
error_return:
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
free (isymbuf);
|
free (isymbuf);
|
if (contents != NULL
|
if (contents != NULL
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
free (contents);
|
free (contents);
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Delete some bytes from a section while relaxing. FIXME: There is a
|
/* Delete some bytes from a section while relaxing. FIXME: There is a
|
lot of duplication between this function and sh_relax_delete_bytes
|
lot of duplication between this function and sh_relax_delete_bytes
|
in coff-sh.c. */
|
in coff-sh.c. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
|
sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
|
int count)
|
int count)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
unsigned int sec_shndx;
|
unsigned int sec_shndx;
|
bfd_byte *contents;
|
bfd_byte *contents;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irelalign;
|
Elf_Internal_Rela *irelalign;
|
bfd_vma toaddr;
|
bfd_vma toaddr;
|
Elf_Internal_Sym *isymbuf, *isym, *isymend;
|
Elf_Internal_Sym *isymbuf, *isym, *isymend;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **end_hashes;
|
struct elf_link_hash_entry **end_hashes;
|
unsigned int symcount;
|
unsigned int symcount;
|
asection *o;
|
asection *o;
|
|
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
|
|
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
|
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
|
|
/* The deletion must stop at the next ALIGN reloc for an aligment
|
/* The deletion must stop at the next ALIGN reloc for an aligment
|
power larger than the number of bytes we are deleting. */
|
power larger than the number of bytes we are deleting. */
|
|
|
irelalign = NULL;
|
irelalign = NULL;
|
toaddr = sec->size;
|
toaddr = sec->size;
|
|
|
irel = elf_section_data (sec)->relocs;
|
irel = elf_section_data (sec)->relocs;
|
irelend = irel + sec->reloc_count;
|
irelend = irel + sec->reloc_count;
|
for (; irel < irelend; irel++)
|
for (; irel < irelend; irel++)
|
{
|
{
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
|
&& irel->r_offset > addr
|
&& irel->r_offset > addr
|
&& count < (1 << irel->r_addend))
|
&& count < (1 << irel->r_addend))
|
{
|
{
|
irelalign = irel;
|
irelalign = irel;
|
toaddr = irel->r_offset;
|
toaddr = irel->r_offset;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Actually delete the bytes. */
|
/* Actually delete the bytes. */
|
memmove (contents + addr, contents + addr + count,
|
memmove (contents + addr, contents + addr + count,
|
(size_t) (toaddr - addr - count));
|
(size_t) (toaddr - addr - count));
|
if (irelalign == NULL)
|
if (irelalign == NULL)
|
sec->size -= count;
|
sec->size -= count;
|
else
|
else
|
{
|
{
|
int i;
|
int i;
|
|
|
#define NOP_OPCODE (0x0009)
|
#define NOP_OPCODE (0x0009)
|
|
|
BFD_ASSERT ((count & 1) == 0);
|
BFD_ASSERT ((count & 1) == 0);
|
for (i = 0; i < count; i += 2)
|
for (i = 0; i < count; i += 2)
|
bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
|
bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
|
}
|
}
|
|
|
/* Adjust all the relocs. */
|
/* Adjust all the relocs. */
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
{
|
{
|
bfd_vma nraddr, stop;
|
bfd_vma nraddr, stop;
|
bfd_vma start = 0;
|
bfd_vma start = 0;
|
int insn = 0;
|
int insn = 0;
|
int off, adjust, oinsn;
|
int off, adjust, oinsn;
|
bfd_signed_vma voff = 0;
|
bfd_signed_vma voff = 0;
|
bfd_boolean overflow;
|
bfd_boolean overflow;
|
|
|
/* Get the new reloc address. */
|
/* Get the new reloc address. */
|
nraddr = irel->r_offset;
|
nraddr = irel->r_offset;
|
if ((irel->r_offset > addr
|
if ((irel->r_offset > addr
|
&& irel->r_offset < toaddr)
|
&& irel->r_offset < toaddr)
|
|| (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
|
|| (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
|
&& irel->r_offset == toaddr))
|
&& irel->r_offset == toaddr))
|
nraddr -= count;
|
nraddr -= count;
|
|
|
/* See if this reloc was for the bytes we have deleted, in which
|
/* See if this reloc was for the bytes we have deleted, in which
|
case we no longer care about it. Don't delete relocs which
|
case we no longer care about it. Don't delete relocs which
|
represent addresses, though. */
|
represent addresses, though. */
|
if (irel->r_offset >= addr
|
if (irel->r_offset >= addr
|
&& irel->r_offset < addr + count
|
&& irel->r_offset < addr + count
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
(int) R_SH_NONE);
|
(int) R_SH_NONE);
|
|
|
/* If this is a PC relative reloc, see if the range it covers
|
/* If this is a PC relative reloc, see if the range it covers
|
includes the bytes we have deleted. */
|
includes the bytes we have deleted. */
|
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
|
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPN:
|
case R_SH_IND12W:
|
case R_SH_IND12W:
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPL:
|
case R_SH_DIR8WPL:
|
start = irel->r_offset;
|
start = irel->r_offset;
|
insn = bfd_get_16 (abfd, contents + nraddr);
|
insn = bfd_get_16 (abfd, contents + nraddr);
|
break;
|
break;
|
}
|
}
|
|
|
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
|
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
|
{
|
{
|
default:
|
default:
|
start = stop = addr;
|
start = stop = addr;
|
break;
|
break;
|
|
|
case R_SH_DIR32:
|
case R_SH_DIR32:
|
/* If this reloc is against a symbol defined in this
|
/* If this reloc is against a symbol defined in this
|
section, and the symbol will not be adjusted below, we
|
section, and the symbol will not be adjusted below, we
|
must check the addend to see it will put the value in
|
must check the addend to see it will put the value in
|
range to be adjusted, and hence must be changed. */
|
range to be adjusted, and hence must be changed. */
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
{
|
{
|
isym = isymbuf + ELF32_R_SYM (irel->r_info);
|
isym = isymbuf + ELF32_R_SYM (irel->r_info);
|
if (isym->st_shndx == sec_shndx
|
if (isym->st_shndx == sec_shndx
|
&& (isym->st_value <= addr
|
&& (isym->st_value <= addr
|
|| isym->st_value >= toaddr))
|
|| isym->st_value >= toaddr))
|
{
|
{
|
bfd_vma val;
|
bfd_vma val;
|
|
|
if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
|
if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace)
|
{
|
{
|
val = bfd_get_32 (abfd, contents + nraddr);
|
val = bfd_get_32 (abfd, contents + nraddr);
|
val += isym->st_value;
|
val += isym->st_value;
|
if (val > addr && val < toaddr)
|
if (val > addr && val < toaddr)
|
bfd_put_32 (abfd, val - count, contents + nraddr);
|
bfd_put_32 (abfd, val - count, contents + nraddr);
|
}
|
}
|
else
|
else
|
{
|
{
|
val = isym->st_value + irel->r_addend;
|
val = isym->st_value + irel->r_addend;
|
if (val > addr && val < toaddr)
|
if (val > addr && val < toaddr)
|
irel->r_addend -= count;
|
irel->r_addend -= count;
|
}
|
}
|
}
|
}
|
}
|
}
|
start = stop = addr;
|
start = stop = addr;
|
break;
|
break;
|
|
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPN:
|
off = insn & 0xff;
|
off = insn & 0xff;
|
if (off & 0x80)
|
if (off & 0x80)
|
off -= 0x100;
|
off -= 0x100;
|
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
|
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
|
break;
|
break;
|
|
|
case R_SH_IND12W:
|
case R_SH_IND12W:
|
off = insn & 0xfff;
|
off = insn & 0xfff;
|
if (! off)
|
if (! off)
|
{
|
{
|
/* This has been made by previous relaxation. Since the
|
/* This has been made by previous relaxation. Since the
|
relocation will be against an external symbol, the
|
relocation will be against an external symbol, the
|
final relocation will just do the right thing. */
|
final relocation will just do the right thing. */
|
start = stop = addr;
|
start = stop = addr;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (off & 0x800)
|
if (off & 0x800)
|
off -= 0x1000;
|
off -= 0x1000;
|
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
|
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
|
|
|
/* The addend will be against the section symbol, thus
|
/* The addend will be against the section symbol, thus
|
for adjusting the addend, the relevant start is the
|
for adjusting the addend, the relevant start is the
|
start of the section.
|
start of the section.
|
N.B. If we want to abandon in-place changes here and
|
N.B. If we want to abandon in-place changes here and
|
test directly using symbol + addend, we have to take into
|
test directly using symbol + addend, we have to take into
|
account that the addend has already been adjusted by -4. */
|
account that the addend has already been adjusted by -4. */
|
if (stop > addr && stop < toaddr)
|
if (stop > addr && stop < toaddr)
|
irel->r_addend -= count;
|
irel->r_addend -= count;
|
}
|
}
|
break;
|
break;
|
|
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPZ:
|
off = insn & 0xff;
|
off = insn & 0xff;
|
stop = start + 4 + off * 2;
|
stop = start + 4 + off * 2;
|
break;
|
break;
|
|
|
case R_SH_DIR8WPL:
|
case R_SH_DIR8WPL:
|
off = insn & 0xff;
|
off = insn & 0xff;
|
stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
|
stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
|
break;
|
break;
|
|
|
case R_SH_SWITCH8:
|
case R_SH_SWITCH8:
|
case R_SH_SWITCH16:
|
case R_SH_SWITCH16:
|
case R_SH_SWITCH32:
|
case R_SH_SWITCH32:
|
/* These relocs types represent
|
/* These relocs types represent
|
.word L2-L1
|
.word L2-L1
|
The r_addend field holds the difference between the reloc
|
The r_addend field holds the difference between the reloc
|
address and L1. That is the start of the reloc, and
|
address and L1. That is the start of the reloc, and
|
adding in the contents gives us the top. We must adjust
|
adding in the contents gives us the top. We must adjust
|
both the r_offset field and the section contents.
|
both the r_offset field and the section contents.
|
N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
|
N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
|
and the elf bfd r_offset is called r_vaddr. */
|
and the elf bfd r_offset is called r_vaddr. */
|
|
|
stop = irel->r_offset;
|
stop = irel->r_offset;
|
start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
|
start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
|
|
|
if (start > addr
|
if (start > addr
|
&& start < toaddr
|
&& start < toaddr
|
&& (stop <= addr || stop >= toaddr))
|
&& (stop <= addr || stop >= toaddr))
|
irel->r_addend += count;
|
irel->r_addend += count;
|
else if (stop > addr
|
else if (stop > addr
|
&& stop < toaddr
|
&& stop < toaddr
|
&& (start <= addr || start >= toaddr))
|
&& (start <= addr || start >= toaddr))
|
irel->r_addend -= count;
|
irel->r_addend -= count;
|
|
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
|
voff = bfd_get_signed_16 (abfd, contents + nraddr);
|
voff = bfd_get_signed_16 (abfd, contents + nraddr);
|
else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
|
else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
|
voff = bfd_get_8 (abfd, contents + nraddr);
|
voff = bfd_get_8 (abfd, contents + nraddr);
|
else
|
else
|
voff = bfd_get_signed_32 (abfd, contents + nraddr);
|
voff = bfd_get_signed_32 (abfd, contents + nraddr);
|
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
|
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
|
|
|
break;
|
break;
|
|
|
case R_SH_USES:
|
case R_SH_USES:
|
start = irel->r_offset;
|
start = irel->r_offset;
|
stop = (bfd_vma) ((bfd_signed_vma) start
|
stop = (bfd_vma) ((bfd_signed_vma) start
|
+ (long) irel->r_addend
|
+ (long) irel->r_addend
|
+ 4);
|
+ 4);
|
break;
|
break;
|
}
|
}
|
|
|
if (start > addr
|
if (start > addr
|
&& start < toaddr
|
&& start < toaddr
|
&& (stop <= addr || stop >= toaddr))
|
&& (stop <= addr || stop >= toaddr))
|
adjust = count;
|
adjust = count;
|
else if (stop > addr
|
else if (stop > addr
|
&& stop < toaddr
|
&& stop < toaddr
|
&& (start <= addr || start >= toaddr))
|
&& (start <= addr || start >= toaddr))
|
adjust = - count;
|
adjust = - count;
|
else
|
else
|
adjust = 0;
|
adjust = 0;
|
|
|
if (adjust != 0)
|
if (adjust != 0)
|
{
|
{
|
oinsn = insn;
|
oinsn = insn;
|
overflow = FALSE;
|
overflow = FALSE;
|
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
|
switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
|
{
|
{
|
default:
|
default:
|
abort ();
|
abort ();
|
break;
|
break;
|
|
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPZ:
|
insn += adjust / 2;
|
insn += adjust / 2;
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
|
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
|
break;
|
break;
|
|
|
case R_SH_IND12W:
|
case R_SH_IND12W:
|
insn += adjust / 2;
|
insn += adjust / 2;
|
if ((oinsn & 0xf000) != (insn & 0xf000))
|
if ((oinsn & 0xf000) != (insn & 0xf000))
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
|
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
|
break;
|
break;
|
|
|
case R_SH_DIR8WPL:
|
case R_SH_DIR8WPL:
|
BFD_ASSERT (adjust == count || count >= 4);
|
BFD_ASSERT (adjust == count || count >= 4);
|
if (count >= 4)
|
if (count >= 4)
|
insn += adjust / 4;
|
insn += adjust / 4;
|
else
|
else
|
{
|
{
|
if ((irel->r_offset & 3) == 0)
|
if ((irel->r_offset & 3) == 0)
|
++insn;
|
++insn;
|
}
|
}
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
|
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
|
break;
|
break;
|
|
|
case R_SH_SWITCH8:
|
case R_SH_SWITCH8:
|
voff += adjust;
|
voff += adjust;
|
if (voff < 0 || voff >= 0xff)
|
if (voff < 0 || voff >= 0xff)
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_8 (abfd, voff, contents + nraddr);
|
bfd_put_8 (abfd, voff, contents + nraddr);
|
break;
|
break;
|
|
|
case R_SH_SWITCH16:
|
case R_SH_SWITCH16:
|
voff += adjust;
|
voff += adjust;
|
if (voff < - 0x8000 || voff >= 0x8000)
|
if (voff < - 0x8000 || voff >= 0x8000)
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
|
bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
|
break;
|
break;
|
|
|
case R_SH_SWITCH32:
|
case R_SH_SWITCH32:
|
voff += adjust;
|
voff += adjust;
|
bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
|
bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
|
break;
|
break;
|
|
|
case R_SH_USES:
|
case R_SH_USES:
|
irel->r_addend += adjust;
|
irel->r_addend += adjust;
|
break;
|
break;
|
}
|
}
|
|
|
if (overflow)
|
if (overflow)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
|
(_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
|
abfd, (unsigned long) irel->r_offset));
|
abfd, (unsigned long) irel->r_offset));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
irel->r_offset = nraddr;
|
irel->r_offset = nraddr;
|
}
|
}
|
|
|
/* Look through all the other sections. If there contain any IMM32
|
/* Look through all the other sections. If there contain any IMM32
|
relocs against internal symbols which we are not going to adjust
|
relocs against internal symbols which we are not going to adjust
|
below, we may need to adjust the addends. */
|
below, we may need to adjust the addends. */
|
for (o = abfd->sections; o != NULL; o = o->next)
|
for (o = abfd->sections; o != NULL; o = o->next)
|
{
|
{
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *irelscan, *irelscanend;
|
Elf_Internal_Rela *irelscan, *irelscanend;
|
bfd_byte *ocontents;
|
bfd_byte *ocontents;
|
|
|
if (o == sec
|
if (o == sec
|
|| (o->flags & SEC_RELOC) == 0
|
|| (o->flags & SEC_RELOC) == 0
|
|| o->reloc_count == 0)
|
|| o->reloc_count == 0)
|
continue;
|
continue;
|
|
|
/* We always cache the relocs. Perhaps, if info->keep_memory is
|
/* We always cache the relocs. Perhaps, if info->keep_memory is
|
FALSE, we should free them, if we are permitted to, when we
|
FALSE, we should free them, if we are permitted to, when we
|
leave sh_coff_relax_section. */
|
leave sh_coff_relax_section. */
|
internal_relocs = (_bfd_elf_link_read_relocs
|
internal_relocs = (_bfd_elf_link_read_relocs
|
(abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
|
(abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
ocontents = NULL;
|
ocontents = NULL;
|
irelscanend = internal_relocs + o->reloc_count;
|
irelscanend = internal_relocs + o->reloc_count;
|
for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
|
for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
|
{
|
{
|
/* Dwarf line numbers use R_SH_SWITCH32 relocs. */
|
/* Dwarf line numbers use R_SH_SWITCH32 relocs. */
|
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
|
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
|
{
|
{
|
bfd_vma start, stop;
|
bfd_vma start, stop;
|
bfd_signed_vma voff;
|
bfd_signed_vma voff;
|
|
|
if (ocontents == NULL)
|
if (ocontents == NULL)
|
{
|
{
|
if (elf_section_data (o)->this_hdr.contents != NULL)
|
if (elf_section_data (o)->this_hdr.contents != NULL)
|
ocontents = elf_section_data (o)->this_hdr.contents;
|
ocontents = elf_section_data (o)->this_hdr.contents;
|
else
|
else
|
{
|
{
|
/* We always cache the section contents.
|
/* We always cache the section contents.
|
Perhaps, if info->keep_memory is FALSE, we
|
Perhaps, if info->keep_memory is FALSE, we
|
should free them, if we are permitted to,
|
should free them, if we are permitted to,
|
when we leave sh_coff_relax_section. */
|
when we leave sh_coff_relax_section. */
|
if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
|
if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
|
{
|
{
|
if (ocontents != NULL)
|
if (ocontents != NULL)
|
free (ocontents);
|
free (ocontents);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
elf_section_data (o)->this_hdr.contents = ocontents;
|
elf_section_data (o)->this_hdr.contents = ocontents;
|
}
|
}
|
}
|
}
|
|
|
stop = irelscan->r_offset;
|
stop = irelscan->r_offset;
|
start
|
start
|
= (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
|
= (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
|
|
|
/* STOP is in a different section, so it won't change. */
|
/* STOP is in a different section, so it won't change. */
|
if (start > addr && start < toaddr)
|
if (start > addr && start < toaddr)
|
irelscan->r_addend += count;
|
irelscan->r_addend += count;
|
|
|
voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
|
voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
|
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
|
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
|
|
|
if (start > addr
|
if (start > addr
|
&& start < toaddr
|
&& start < toaddr
|
&& (stop <= addr || stop >= toaddr))
|
&& (stop <= addr || stop >= toaddr))
|
bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
|
bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
|
ocontents + irelscan->r_offset);
|
ocontents + irelscan->r_offset);
|
else if (stop > addr
|
else if (stop > addr
|
&& stop < toaddr
|
&& stop < toaddr
|
&& (start <= addr || start >= toaddr))
|
&& (start <= addr || start >= toaddr))
|
bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
|
bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
|
ocontents + irelscan->r_offset);
|
ocontents + irelscan->r_offset);
|
}
|
}
|
|
|
if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
|
if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
|
continue;
|
continue;
|
|
|
if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
|
if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
|
continue;
|
continue;
|
|
|
|
|
isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
|
isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
|
if (isym->st_shndx == sec_shndx
|
if (isym->st_shndx == sec_shndx
|
&& (isym->st_value <= addr
|
&& (isym->st_value <= addr
|
|| isym->st_value >= toaddr))
|
|| isym->st_value >= toaddr))
|
{
|
{
|
bfd_vma val;
|
bfd_vma val;
|
|
|
if (ocontents == NULL)
|
if (ocontents == NULL)
|
{
|
{
|
if (elf_section_data (o)->this_hdr.contents != NULL)
|
if (elf_section_data (o)->this_hdr.contents != NULL)
|
ocontents = elf_section_data (o)->this_hdr.contents;
|
ocontents = elf_section_data (o)->this_hdr.contents;
|
else
|
else
|
{
|
{
|
/* We always cache the section contents.
|
/* We always cache the section contents.
|
Perhaps, if info->keep_memory is FALSE, we
|
Perhaps, if info->keep_memory is FALSE, we
|
should free them, if we are permitted to,
|
should free them, if we are permitted to,
|
when we leave sh_coff_relax_section. */
|
when we leave sh_coff_relax_section. */
|
if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
|
if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
|
{
|
{
|
if (ocontents != NULL)
|
if (ocontents != NULL)
|
free (ocontents);
|
free (ocontents);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
elf_section_data (o)->this_hdr.contents = ocontents;
|
elf_section_data (o)->this_hdr.contents = ocontents;
|
}
|
}
|
}
|
}
|
|
|
val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
|
val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
|
val += isym->st_value;
|
val += isym->st_value;
|
if (val > addr && val < toaddr)
|
if (val > addr && val < toaddr)
|
bfd_put_32 (abfd, val - count,
|
bfd_put_32 (abfd, val - count,
|
ocontents + irelscan->r_offset);
|
ocontents + irelscan->r_offset);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Adjust the local symbols defined in this section. */
|
/* Adjust the local symbols defined in this section. */
|
isymend = isymbuf + symtab_hdr->sh_info;
|
isymend = isymbuf + symtab_hdr->sh_info;
|
for (isym = isymbuf; isym < isymend; isym++)
|
for (isym = isymbuf; isym < isymend; isym++)
|
{
|
{
|
if (isym->st_shndx == sec_shndx
|
if (isym->st_shndx == sec_shndx
|
&& isym->st_value > addr
|
&& isym->st_value > addr
|
&& isym->st_value < toaddr)
|
&& isym->st_value < toaddr)
|
isym->st_value -= count;
|
isym->st_value -= count;
|
}
|
}
|
|
|
/* Now adjust the global symbols defined in this section. */
|
/* Now adjust the global symbols defined in this section. */
|
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|
- symtab_hdr->sh_info);
|
- symtab_hdr->sh_info);
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
end_hashes = sym_hashes + symcount;
|
end_hashes = sym_hashes + symcount;
|
for (; sym_hashes < end_hashes; sym_hashes++)
|
for (; sym_hashes < end_hashes; sym_hashes++)
|
{
|
{
|
struct elf_link_hash_entry *sym_hash = *sym_hashes;
|
struct elf_link_hash_entry *sym_hash = *sym_hashes;
|
if ((sym_hash->root.type == bfd_link_hash_defined
|
if ((sym_hash->root.type == bfd_link_hash_defined
|
|| sym_hash->root.type == bfd_link_hash_defweak)
|
|| sym_hash->root.type == bfd_link_hash_defweak)
|
&& sym_hash->root.u.def.section == sec
|
&& sym_hash->root.u.def.section == sec
|
&& sym_hash->root.u.def.value > addr
|
&& sym_hash->root.u.def.value > addr
|
&& sym_hash->root.u.def.value < toaddr)
|
&& sym_hash->root.u.def.value < toaddr)
|
{
|
{
|
sym_hash->root.u.def.value -= count;
|
sym_hash->root.u.def.value -= count;
|
}
|
}
|
}
|
}
|
|
|
/* See if we can move the ALIGN reloc forward. We have adjusted
|
/* See if we can move the ALIGN reloc forward. We have adjusted
|
r_offset for it already. */
|
r_offset for it already. */
|
if (irelalign != NULL)
|
if (irelalign != NULL)
|
{
|
{
|
bfd_vma alignto, alignaddr;
|
bfd_vma alignto, alignaddr;
|
|
|
alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
|
alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
|
alignaddr = BFD_ALIGN (irelalign->r_offset,
|
alignaddr = BFD_ALIGN (irelalign->r_offset,
|
1 << irelalign->r_addend);
|
1 << irelalign->r_addend);
|
if (alignto != alignaddr)
|
if (alignto != alignaddr)
|
{
|
{
|
/* Tail recursion. */
|
/* Tail recursion. */
|
return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
|
return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
|
(int) (alignto - alignaddr));
|
(int) (alignto - alignaddr));
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Look for loads and stores which we can align to four byte
|
/* Look for loads and stores which we can align to four byte
|
boundaries. This is like sh_align_loads in coff-sh.c. */
|
boundaries. This is like sh_align_loads in coff-sh.c. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
|
sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
|
Elf_Internal_Rela *internal_relocs,
|
Elf_Internal_Rela *internal_relocs,
|
bfd_byte *contents ATTRIBUTE_UNUSED,
|
bfd_byte *contents ATTRIBUTE_UNUSED,
|
bfd_boolean *pswapped)
|
bfd_boolean *pswapped)
|
{
|
{
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
bfd_vma *labels = NULL;
|
bfd_vma *labels = NULL;
|
bfd_vma *label, *label_end;
|
bfd_vma *label, *label_end;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
*pswapped = FALSE;
|
*pswapped = FALSE;
|
|
|
irelend = internal_relocs + sec->reloc_count;
|
irelend = internal_relocs + sec->reloc_count;
|
|
|
/* Get all the addresses with labels on them. */
|
/* Get all the addresses with labels on them. */
|
amt = sec->reloc_count;
|
amt = sec->reloc_count;
|
amt *= sizeof (bfd_vma);
|
amt *= sizeof (bfd_vma);
|
labels = (bfd_vma *) bfd_malloc (amt);
|
labels = (bfd_vma *) bfd_malloc (amt);
|
if (labels == NULL)
|
if (labels == NULL)
|
goto error_return;
|
goto error_return;
|
label_end = labels;
|
label_end = labels;
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
|
{
|
{
|
*label_end = irel->r_offset;
|
*label_end = irel->r_offset;
|
++label_end;
|
++label_end;
|
}
|
}
|
}
|
}
|
|
|
/* Note that the assembler currently always outputs relocs in
|
/* Note that the assembler currently always outputs relocs in
|
address order. If that ever changes, this code will need to sort
|
address order. If that ever changes, this code will need to sort
|
the label values and the relocs. */
|
the label values and the relocs. */
|
|
|
label = labels;
|
label = labels;
|
|
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
bfd_vma start, stop;
|
bfd_vma start, stop;
|
|
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
|
continue;
|
continue;
|
|
|
start = irel->r_offset;
|
start = irel->r_offset;
|
|
|
for (irel++; irel < irelend; irel++)
|
for (irel++; irel < irelend; irel++)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
|
break;
|
break;
|
if (irel < irelend)
|
if (irel < irelend)
|
stop = irel->r_offset;
|
stop = irel->r_offset;
|
else
|
else
|
stop = sec->size;
|
stop = sec->size;
|
|
|
if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
|
if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
|
internal_relocs, &label,
|
internal_relocs, &label,
|
label_end, start, stop, pswapped))
|
label_end, start, stop, pswapped))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
free (labels);
|
free (labels);
|
|
|
return TRUE;
|
return TRUE;
|
|
|
error_return:
|
error_return:
|
if (labels != NULL)
|
if (labels != NULL)
|
free (labels);
|
free (labels);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
#ifndef SH64_ELF
|
#ifndef SH64_ELF
|
/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
|
/* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
|
sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
|
bfd_byte *contents, bfd_vma addr)
|
bfd_byte *contents, bfd_vma addr)
|
{
|
{
|
Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
|
Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
|
unsigned short i1, i2;
|
unsigned short i1, i2;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
|
|
/* Swap the instructions themselves. */
|
/* Swap the instructions themselves. */
|
i1 = bfd_get_16 (abfd, contents + addr);
|
i1 = bfd_get_16 (abfd, contents + addr);
|
i2 = bfd_get_16 (abfd, contents + addr + 2);
|
i2 = bfd_get_16 (abfd, contents + addr + 2);
|
bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
|
bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
|
bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
|
bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
|
|
|
/* Adjust all reloc addresses. */
|
/* Adjust all reloc addresses. */
|
irelend = internal_relocs + sec->reloc_count;
|
irelend = internal_relocs + sec->reloc_count;
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
enum elf_sh_reloc_type type;
|
enum elf_sh_reloc_type type;
|
int add;
|
int add;
|
|
|
/* There are a few special types of relocs that we don't want to
|
/* There are a few special types of relocs that we don't want to
|
adjust. These relocs do not apply to the instruction itself,
|
adjust. These relocs do not apply to the instruction itself,
|
but are only associated with the address. */
|
but are only associated with the address. */
|
type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
|
type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
|
if (type == R_SH_ALIGN
|
if (type == R_SH_ALIGN
|
|| type == R_SH_CODE
|
|| type == R_SH_CODE
|
|| type == R_SH_DATA
|
|| type == R_SH_DATA
|
|| type == R_SH_LABEL)
|
|| type == R_SH_LABEL)
|
continue;
|
continue;
|
|
|
/* If an R_SH_USES reloc points to one of the addresses being
|
/* If an R_SH_USES reloc points to one of the addresses being
|
swapped, we must adjust it. It would be incorrect to do this
|
swapped, we must adjust it. It would be incorrect to do this
|
for a jump, though, since we want to execute both
|
for a jump, though, since we want to execute both
|
instructions after the jump. (We have avoided swapping
|
instructions after the jump. (We have avoided swapping
|
around a label, so the jump will not wind up executing an
|
around a label, so the jump will not wind up executing an
|
instruction it shouldn't). */
|
instruction it shouldn't). */
|
if (type == R_SH_USES)
|
if (type == R_SH_USES)
|
{
|
{
|
bfd_vma off;
|
bfd_vma off;
|
|
|
off = irel->r_offset + 4 + irel->r_addend;
|
off = irel->r_offset + 4 + irel->r_addend;
|
if (off == addr)
|
if (off == addr)
|
irel->r_offset += 2;
|
irel->r_offset += 2;
|
else if (off == addr + 2)
|
else if (off == addr + 2)
|
irel->r_offset -= 2;
|
irel->r_offset -= 2;
|
}
|
}
|
|
|
if (irel->r_offset == addr)
|
if (irel->r_offset == addr)
|
{
|
{
|
irel->r_offset += 2;
|
irel->r_offset += 2;
|
add = -2;
|
add = -2;
|
}
|
}
|
else if (irel->r_offset == addr + 2)
|
else if (irel->r_offset == addr + 2)
|
{
|
{
|
irel->r_offset -= 2;
|
irel->r_offset -= 2;
|
add = 2;
|
add = 2;
|
}
|
}
|
else
|
else
|
add = 0;
|
add = 0;
|
|
|
if (add != 0)
|
if (add != 0)
|
{
|
{
|
bfd_byte *loc;
|
bfd_byte *loc;
|
unsigned short insn, oinsn;
|
unsigned short insn, oinsn;
|
bfd_boolean overflow;
|
bfd_boolean overflow;
|
|
|
loc = contents + irel->r_offset;
|
loc = contents + irel->r_offset;
|
overflow = FALSE;
|
overflow = FALSE;
|
switch (type)
|
switch (type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPZ:
|
insn = bfd_get_16 (abfd, loc);
|
insn = bfd_get_16 (abfd, loc);
|
oinsn = insn;
|
oinsn = insn;
|
insn += add / 2;
|
insn += add / 2;
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_16 (abfd, (bfd_vma) insn, loc);
|
bfd_put_16 (abfd, (bfd_vma) insn, loc);
|
break;
|
break;
|
|
|
case R_SH_IND12W:
|
case R_SH_IND12W:
|
insn = bfd_get_16 (abfd, loc);
|
insn = bfd_get_16 (abfd, loc);
|
oinsn = insn;
|
oinsn = insn;
|
insn += add / 2;
|
insn += add / 2;
|
if ((oinsn & 0xf000) != (insn & 0xf000))
|
if ((oinsn & 0xf000) != (insn & 0xf000))
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_16 (abfd, (bfd_vma) insn, loc);
|
bfd_put_16 (abfd, (bfd_vma) insn, loc);
|
break;
|
break;
|
|
|
case R_SH_DIR8WPL:
|
case R_SH_DIR8WPL:
|
/* This reloc ignores the least significant 3 bits of
|
/* This reloc ignores the least significant 3 bits of
|
the program counter before adding in the offset.
|
the program counter before adding in the offset.
|
This means that if ADDR is at an even address, the
|
This means that if ADDR is at an even address, the
|
swap will not affect the offset. If ADDR is an at an
|
swap will not affect the offset. If ADDR is an at an
|
odd address, then the instruction will be crossing a
|
odd address, then the instruction will be crossing a
|
four byte boundary, and must be adjusted. */
|
four byte boundary, and must be adjusted. */
|
if ((addr & 3) != 0)
|
if ((addr & 3) != 0)
|
{
|
{
|
insn = bfd_get_16 (abfd, loc);
|
insn = bfd_get_16 (abfd, loc);
|
oinsn = insn;
|
oinsn = insn;
|
insn += add / 2;
|
insn += add / 2;
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
if ((oinsn & 0xff00) != (insn & 0xff00))
|
overflow = TRUE;
|
overflow = TRUE;
|
bfd_put_16 (abfd, (bfd_vma) insn, loc);
|
bfd_put_16 (abfd, (bfd_vma) insn, loc);
|
}
|
}
|
|
|
break;
|
break;
|
}
|
}
|
|
|
if (overflow)
|
if (overflow)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
|
(_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
|
abfd, (unsigned long) irel->r_offset));
|
abfd, (unsigned long) irel->r_offset));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
#endif /* defined SH64_ELF */
|
#endif /* defined SH64_ELF */
|
|
|
/* Describes one of the various PLT styles. */
|
/* Describes one of the various PLT styles. */
|
|
|
struct elf_sh_plt_info
|
struct elf_sh_plt_info
|
{
|
{
|
/* The template for the first PLT entry, or NULL if there is no special
|
/* The template for the first PLT entry, or NULL if there is no special
|
first entry. */
|
first entry. */
|
const bfd_byte *plt0_entry;
|
const bfd_byte *plt0_entry;
|
|
|
/* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
|
/* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */
|
bfd_vma plt0_entry_size;
|
bfd_vma plt0_entry_size;
|
|
|
/* Index I is the offset into PLT0_ENTRY of a pointer to
|
/* Index I is the offset into PLT0_ENTRY of a pointer to
|
_GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
|
_GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE
|
if there is no such pointer. */
|
if there is no such pointer. */
|
bfd_vma plt0_got_fields[3];
|
bfd_vma plt0_got_fields[3];
|
|
|
/* The template for a symbol's PLT entry. */
|
/* The template for a symbol's PLT entry. */
|
const bfd_byte *symbol_entry;
|
const bfd_byte *symbol_entry;
|
|
|
/* The size of SYMBOL_ENTRY in bytes. */
|
/* The size of SYMBOL_ENTRY in bytes. */
|
bfd_vma symbol_entry_size;
|
bfd_vma symbol_entry_size;
|
|
|
/* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
|
/* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used
|
on all targets. The comments by each member indicate the value
|
on all targets. The comments by each member indicate the value
|
that the field must hold. */
|
that the field must hold. */
|
struct {
|
struct {
|
bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
|
bfd_vma got_entry; /* the address of the symbol's .got.plt entry */
|
bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
|
bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */
|
bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
|
bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */
|
} symbol_fields;
|
} symbol_fields;
|
|
|
/* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
|
/* The offset of the resolver stub from the start of SYMBOL_ENTRY. */
|
bfd_vma symbol_resolve_offset;
|
bfd_vma symbol_resolve_offset;
|
};
|
};
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
|
|
/* The size in bytes of an entry in the procedure linkage table. */
|
/* The size in bytes of an entry in the procedure linkage table. */
|
|
|
#define ELF_PLT_ENTRY_SIZE 64
|
#define ELF_PLT_ENTRY_SIZE 64
|
|
|
/* First entry in an absolute procedure linkage table look like this. */
|
/* First entry in an absolute procedure linkage table look like this. */
|
|
|
static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
|
0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
|
0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
|
0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
|
0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
|
0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
|
0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
};
|
};
|
|
|
static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
|
0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
|
0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
|
0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
|
0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
|
0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
|
0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
};
|
};
|
|
|
/* Sebsequent entries in an absolute procedure linkage table look like
|
/* Sebsequent entries in an absolute procedure linkage table look like
|
this. */
|
this. */
|
|
|
static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
|
0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
|
0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
|
0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
|
0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
|
0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
|
0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
|
0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
|
0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
|
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
|
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
|
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
};
|
};
|
|
|
static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
|
0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
|
0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
|
0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
|
0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
|
0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
|
0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
|
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
|
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
|
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
};
|
};
|
|
|
/* Entries in a PIC procedure linkage table look like this. */
|
/* Entries in a PIC procedure linkage table look like this. */
|
|
|
static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
|
0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
|
0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
|
0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
|
0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
|
0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
|
0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
|
0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
|
0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
|
0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
|
0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
|
0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
|
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
|
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
|
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
|
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
};
|
};
|
|
|
static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
|
0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
|
0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
|
0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
|
0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
|
0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
|
0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
|
0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
|
0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
|
0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
|
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
|
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
|
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
|
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
};
|
};
|
|
|
static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
|
static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
|
{
|
{
|
{
|
{
|
/* Big-endian non-PIC. */
|
/* Big-endian non-PIC. */
|
elf_sh_plt0_entry_be,
|
elf_sh_plt0_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 0, MINUS_ONE, MINUS_ONE },
|
{ 0, MINUS_ONE, MINUS_ONE },
|
elf_sh_plt_entry_be,
|
elf_sh_plt_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 0, 32, 48 },
|
{ 0, 32, 48 },
|
33 /* includes ISA encoding */
|
33 /* includes ISA encoding */
|
},
|
},
|
{
|
{
|
/* Little-endian non-PIC. */
|
/* Little-endian non-PIC. */
|
elf_sh_plt0_entry_le,
|
elf_sh_plt0_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 0, MINUS_ONE, MINUS_ONE },
|
{ 0, MINUS_ONE, MINUS_ONE },
|
elf_sh_plt_entry_le,
|
elf_sh_plt_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 0, 32, 48 },
|
{ 0, 32, 48 },
|
33 /* includes ISA encoding */
|
33 /* includes ISA encoding */
|
},
|
},
|
},
|
},
|
{
|
{
|
{
|
{
|
/* Big-endian PIC. */
|
/* Big-endian PIC. */
|
elf_sh_plt0_entry_be,
|
elf_sh_plt0_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
elf_sh_pic_plt_entry_be,
|
elf_sh_pic_plt_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 0, MINUS_ONE, 52 },
|
{ 0, MINUS_ONE, 52 },
|
33 /* includes ISA encoding */
|
33 /* includes ISA encoding */
|
},
|
},
|
{
|
{
|
/* Little-endian PIC. */
|
/* Little-endian PIC. */
|
elf_sh_plt0_entry_le,
|
elf_sh_plt0_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
elf_sh_pic_plt_entry_le,
|
elf_sh_pic_plt_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 0, MINUS_ONE, 52 },
|
{ 0, MINUS_ONE, 52 },
|
33 /* includes ISA encoding */
|
33 /* includes ISA encoding */
|
},
|
},
|
}
|
}
|
};
|
};
|
|
|
/* Return offset of the linker in PLT0 entry. */
|
/* Return offset of the linker in PLT0 entry. */
|
#define elf_sh_plt0_gotplt_offset(info) 0
|
#define elf_sh_plt0_gotplt_offset(info) 0
|
|
|
/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
|
/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
|
VALUE is the field's value and CODE_P is true if VALUE refers to code,
|
VALUE is the field's value and CODE_P is true if VALUE refers to code,
|
not data.
|
not data.
|
|
|
On SH64, each 32-bit field is loaded by a movi/shori pair. */
|
On SH64, each 32-bit field is loaded by a movi/shori pair. */
|
|
|
inline static void
|
inline static void
|
install_plt_field (bfd *output_bfd, bfd_boolean code_p,
|
install_plt_field (bfd *output_bfd, bfd_boolean code_p,
|
unsigned long value, bfd_byte *addr)
|
unsigned long value, bfd_byte *addr)
|
{
|
{
|
value |= code_p;
|
value |= code_p;
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
bfd_get_32 (output_bfd, addr)
|
bfd_get_32 (output_bfd, addr)
|
| ((value >> 6) & 0x3fffc00),
|
| ((value >> 6) & 0x3fffc00),
|
addr);
|
addr);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
bfd_get_32 (output_bfd, addr + 4)
|
bfd_get_32 (output_bfd, addr + 4)
|
| ((value << 10) & 0x3fffc00),
|
| ((value << 10) & 0x3fffc00),
|
addr + 4);
|
addr + 4);
|
}
|
}
|
|
|
/* Return the type of PLT associated with ABFD. PIC_P is true if
|
/* Return the type of PLT associated with ABFD. PIC_P is true if
|
the object is position-independent. */
|
the object is position-independent. */
|
|
|
static const struct elf_sh_plt_info *
|
static const struct elf_sh_plt_info *
|
get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
|
get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
|
{
|
{
|
return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
|
return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
|
}
|
}
|
#else
|
#else
|
/* The size in bytes of an entry in the procedure linkage table. */
|
/* The size in bytes of an entry in the procedure linkage table. */
|
|
|
#define ELF_PLT_ENTRY_SIZE 28
|
#define ELF_PLT_ENTRY_SIZE 28
|
|
|
/* First entry in an absolute procedure linkage table look like this. */
|
/* First entry in an absolute procedure linkage table look like this. */
|
|
|
/* Note - this code has been "optimised" not to use r2. r2 is used by
|
/* Note - this code has been "optimised" not to use r2. r2 is used by
|
GCC to return the address of large structures, so it should not be
|
GCC to return the address of large structures, so it should not be
|
corrupted here. This does mean however, that this PLT does not conform
|
corrupted here. This does mean however, that this PLT does not conform
|
to the SH PIC ABI. That spec says that r0 contains the type of the PLT
|
to the SH PIC ABI. That spec says that r0 contains the type of the PLT
|
and r2 contains the GOT id. This version stores the GOT id in r0 and
|
and r2 contains the GOT id. This version stores the GOT id in r0 and
|
ignores the type. Loaders can easily detect this difference however,
|
ignores the type. Loaders can easily detect this difference however,
|
since the type will always be 0 or 8, and the GOT ids will always be
|
since the type will always be 0 or 8, and the GOT ids will always be
|
greater than or equal to 12. */
|
greater than or equal to 12. */
|
static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xd0, 0x05, /* mov.l 2f,r0 */
|
0xd0, 0x05, /* mov.l 2f,r0 */
|
0x60, 0x02, /* mov.l @r0,r0 */
|
0x60, 0x02, /* mov.l @r0,r0 */
|
0x2f, 0x06, /* mov.l r0,@-r15 */
|
0x2f, 0x06, /* mov.l r0,@-r15 */
|
0xd0, 0x03, /* mov.l 1f,r0 */
|
0xd0, 0x03, /* mov.l 1f,r0 */
|
0x60, 0x02, /* mov.l @r0,r0 */
|
0x60, 0x02, /* mov.l @r0,r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x60, 0xf6, /* mov.l @r15+,r0 */
|
0x60, 0xf6, /* mov.l @r15+,r0 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
|
0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
|
0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
|
0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
|
};
|
};
|
|
|
static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x05, 0xd0, /* mov.l 2f,r0 */
|
0x05, 0xd0, /* mov.l 2f,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x06, 0x2f, /* mov.l r0,@-r15 */
|
0x06, 0x2f, /* mov.l r0,@-r15 */
|
0x03, 0xd0, /* mov.l 1f,r0 */
|
0x03, 0xd0, /* mov.l 1f,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0xf6, 0x60, /* mov.l @r15+,r0 */
|
0xf6, 0x60, /* mov.l @r15+,r0 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
|
0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
|
0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
|
0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
|
};
|
};
|
|
|
/* Sebsequent entries in an absolute procedure linkage table look like
|
/* Sebsequent entries in an absolute procedure linkage table look like
|
this. */
|
this. */
|
|
|
static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xd0, 0x04, /* mov.l 1f,r0 */
|
0xd0, 0x04, /* mov.l 1f,r0 */
|
0x60, 0x02, /* mov.l @(r0,r12),r0 */
|
0x60, 0x02, /* mov.l @(r0,r12),r0 */
|
0xd1, 0x02, /* mov.l 0f,r1 */
|
0xd1, 0x02, /* mov.l 0f,r1 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x60, 0x13, /* mov r1,r0 */
|
0x60, 0x13, /* mov r1,r0 */
|
0xd1, 0x03, /* mov.l 2f,r1 */
|
0xd1, 0x03, /* mov.l 2f,r1 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
|
0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
|
0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x04, 0xd0, /* mov.l 1f,r0 */
|
0x04, 0xd0, /* mov.l 1f,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x02, 0xd1, /* mov.l 0f,r1 */
|
0x02, 0xd1, /* mov.l 0f,r1 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x13, 0x60, /* mov r1,r0 */
|
0x13, 0x60, /* mov r1,r0 */
|
0x03, 0xd1, /* mov.l 2f,r1 */
|
0x03, 0xd1, /* mov.l 2f,r1 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
|
0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
|
0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
|
};
|
};
|
|
|
/* Entries in a PIC procedure linkage table look like this. */
|
/* Entries in a PIC procedure linkage table look like this. */
|
|
|
static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xd0, 0x04, /* mov.l 1f,r0 */
|
0xd0, 0x04, /* mov.l 1f,r0 */
|
0x00, 0xce, /* mov.l @(r0,r12),r0 */
|
0x00, 0xce, /* mov.l @(r0,r12),r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x50, 0xc2, /* mov.l @(8,r12),r0 */
|
0x50, 0xc2, /* mov.l @(8,r12),r0 */
|
0xd1, 0x03, /* mov.l 2f,r1 */
|
0xd1, 0x03, /* mov.l 2f,r1 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x50, 0xc1, /* mov.l @(4,r12),r0 */
|
0x50, 0xc1, /* mov.l @(4,r12),r0 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
|
0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x04, 0xd0, /* mov.l 1f,r0 */
|
0x04, 0xd0, /* mov.l 1f,r0 */
|
0xce, 0x00, /* mov.l @(r0,r12),r0 */
|
0xce, 0x00, /* mov.l @(r0,r12),r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0xc2, 0x50, /* mov.l @(8,r12),r0 */
|
0xc2, 0x50, /* mov.l @(8,r12),r0 */
|
0x03, 0xd1, /* mov.l 2f,r1 */
|
0x03, 0xd1, /* mov.l 2f,r1 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0xc1, 0x50, /* mov.l @(4,r12),r0 */
|
0xc1, 0x50, /* mov.l @(4,r12),r0 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
|
0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
|
0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
|
static const struct elf_sh_plt_info elf_sh_plts[2][2] = {
|
{
|
{
|
{
|
{
|
/* Big-endian non-PIC. */
|
/* Big-endian non-PIC. */
|
elf_sh_plt0_entry_be,
|
elf_sh_plt0_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ MINUS_ONE, 24, 20 },
|
{ MINUS_ONE, 24, 20 },
|
elf_sh_plt_entry_be,
|
elf_sh_plt_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 20, 16, 24 },
|
{ 20, 16, 24 },
|
8
|
8
|
},
|
},
|
{
|
{
|
/* Little-endian non-PIC. */
|
/* Little-endian non-PIC. */
|
elf_sh_plt0_entry_le,
|
elf_sh_plt0_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ MINUS_ONE, 24, 20 },
|
{ MINUS_ONE, 24, 20 },
|
elf_sh_plt_entry_le,
|
elf_sh_plt_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 20, 16, 24 },
|
{ 20, 16, 24 },
|
8
|
8
|
},
|
},
|
},
|
},
|
{
|
{
|
{
|
{
|
/* Big-endian PIC. */
|
/* Big-endian PIC. */
|
elf_sh_plt0_entry_be,
|
elf_sh_plt0_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
elf_sh_pic_plt_entry_be,
|
elf_sh_pic_plt_entry_be,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 20, MINUS_ONE, 24 },
|
{ 20, MINUS_ONE, 24 },
|
8
|
8
|
},
|
},
|
{
|
{
|
/* Little-endian PIC. */
|
/* Little-endian PIC. */
|
elf_sh_plt0_entry_le,
|
elf_sh_plt0_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
elf_sh_pic_plt_entry_le,
|
elf_sh_pic_plt_entry_le,
|
ELF_PLT_ENTRY_SIZE,
|
ELF_PLT_ENTRY_SIZE,
|
{ 20, MINUS_ONE, 24 },
|
{ 20, MINUS_ONE, 24 },
|
8
|
8
|
},
|
},
|
}
|
}
|
};
|
};
|
|
|
#define VXWORKS_PLT_HEADER_SIZE 12
|
#define VXWORKS_PLT_HEADER_SIZE 12
|
#define VXWORKS_PLT_ENTRY_SIZE 24
|
#define VXWORKS_PLT_ENTRY_SIZE 24
|
|
|
static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
|
static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] =
|
{
|
{
|
0xd1, 0x01, /* mov.l @(8,pc),r1 */
|
0xd1, 0x01, /* mov.l @(8,pc),r1 */
|
0x61, 0x12, /* mov.l @r1,r1 */
|
0x61, 0x12, /* mov.l @r1,r1 */
|
0x41, 0x2b, /* jmp @r1 */
|
0x41, 0x2b, /* jmp @r1 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
|
0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
|
};
|
};
|
|
|
static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
|
static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] =
|
{
|
{
|
0x01, 0xd1, /* mov.l @(8,pc),r1 */
|
0x01, 0xd1, /* mov.l @(8,pc),r1 */
|
0x12, 0x61, /* mov.l @r1,r1 */
|
0x12, 0x61, /* mov.l @r1,r1 */
|
0x2b, 0x41, /* jmp @r1 */
|
0x2b, 0x41, /* jmp @r1 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
|
0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */
|
};
|
};
|
|
|
static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
|
static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0x60, 0x02, /* mov.l @r0,r0 */
|
0x60, 0x02, /* mov.l @r0,r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
|
0xa0, 0x00, /* bra PLT (We need to fix the offset.) */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
|
static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x02, 0x60, /* mov.l @r0,r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
|
0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
|
0x00, 0xa0, /* bra PLT (We need to fix the offset.) */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
|
static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] =
|
{
|
{
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0x00, 0xce, /* mov.l @(r0,r12),r0 */
|
0x00, 0xce, /* mov.l @(r0,r12),r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x40, 0x2b, /* jmp @r0 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
|
0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0xd0, 0x01, /* mov.l @(8,pc),r0 */
|
0x51, 0xc2, /* mov.l @(8,r12),r1 */
|
0x51, 0xc2, /* mov.l @(8,r12),r1 */
|
0x41, 0x2b, /* jmp @r1 */
|
0x41, 0x2b, /* jmp @r1 */
|
0x00, 0x09, /* nop */
|
0x00, 0x09, /* nop */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
|
static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] =
|
{
|
{
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0xce, 0x00, /* mov.l @(r0,r12),r0 */
|
0xce, 0x00, /* mov.l @(r0,r12),r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x2b, 0x40, /* jmp @r0 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
|
0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0x01, 0xd0, /* mov.l @(8,pc),r0 */
|
0xc2, 0x51, /* mov.l @(8,r12),r1 */
|
0xc2, 0x51, /* mov.l @(8,r12),r1 */
|
0x2b, 0x41, /* jmp @r1 */
|
0x2b, 0x41, /* jmp @r1 */
|
0x09, 0x00, /* nop */
|
0x09, 0x00, /* nop */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
0, 0, 0, 0, /* 1: replaced with offset into relocation table. */
|
};
|
};
|
|
|
static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
|
static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = {
|
{
|
{
|
{
|
{
|
/* Big-endian non-PIC. */
|
/* Big-endian non-PIC. */
|
vxworks_sh_plt0_entry_be,
|
vxworks_sh_plt0_entry_be,
|
VXWORKS_PLT_HEADER_SIZE,
|
VXWORKS_PLT_HEADER_SIZE,
|
{ MINUS_ONE, MINUS_ONE, 8 },
|
{ MINUS_ONE, MINUS_ONE, 8 },
|
vxworks_sh_plt_entry_be,
|
vxworks_sh_plt_entry_be,
|
VXWORKS_PLT_ENTRY_SIZE,
|
VXWORKS_PLT_ENTRY_SIZE,
|
{ 8, 14, 20 },
|
{ 8, 14, 20 },
|
12
|
12
|
},
|
},
|
{
|
{
|
/* Little-endian non-PIC. */
|
/* Little-endian non-PIC. */
|
vxworks_sh_plt0_entry_le,
|
vxworks_sh_plt0_entry_le,
|
VXWORKS_PLT_HEADER_SIZE,
|
VXWORKS_PLT_HEADER_SIZE,
|
{ MINUS_ONE, MINUS_ONE, 8 },
|
{ MINUS_ONE, MINUS_ONE, 8 },
|
vxworks_sh_plt_entry_le,
|
vxworks_sh_plt_entry_le,
|
VXWORKS_PLT_ENTRY_SIZE,
|
VXWORKS_PLT_ENTRY_SIZE,
|
{ 8, 14, 20 },
|
{ 8, 14, 20 },
|
12
|
12
|
},
|
},
|
},
|
},
|
{
|
{
|
{
|
{
|
/* Big-endian PIC. */
|
/* Big-endian PIC. */
|
NULL,
|
NULL,
|
0,
|
0,
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
vxworks_sh_pic_plt_entry_be,
|
vxworks_sh_pic_plt_entry_be,
|
VXWORKS_PLT_ENTRY_SIZE,
|
VXWORKS_PLT_ENTRY_SIZE,
|
{ 8, MINUS_ONE, 20 },
|
{ 8, MINUS_ONE, 20 },
|
12
|
12
|
},
|
},
|
{
|
{
|
/* Little-endian PIC. */
|
/* Little-endian PIC. */
|
NULL,
|
NULL,
|
0,
|
0,
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
{ MINUS_ONE, MINUS_ONE, MINUS_ONE },
|
vxworks_sh_pic_plt_entry_le,
|
vxworks_sh_pic_plt_entry_le,
|
VXWORKS_PLT_ENTRY_SIZE,
|
VXWORKS_PLT_ENTRY_SIZE,
|
{ 8, MINUS_ONE, 20 },
|
{ 8, MINUS_ONE, 20 },
|
12
|
12
|
},
|
},
|
}
|
}
|
};
|
};
|
|
|
/* Return the type of PLT associated with ABFD. PIC_P is true if
|
/* Return the type of PLT associated with ABFD. PIC_P is true if
|
the object is position-independent. */
|
the object is position-independent. */
|
|
|
static const struct elf_sh_plt_info *
|
static const struct elf_sh_plt_info *
|
get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
|
get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p)
|
{
|
{
|
if (vxworks_object_p (abfd))
|
if (vxworks_object_p (abfd))
|
return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
|
return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)];
|
return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
|
return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)];
|
}
|
}
|
|
|
/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
|
/* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD.
|
VALUE is the field's value and CODE_P is true if VALUE refers to code,
|
VALUE is the field's value and CODE_P is true if VALUE refers to code,
|
not data. */
|
not data. */
|
|
|
inline static void
|
inline static void
|
install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
|
install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED,
|
unsigned long value, bfd_byte *addr)
|
unsigned long value, bfd_byte *addr)
|
{
|
{
|
bfd_put_32 (output_bfd, value, addr);
|
bfd_put_32 (output_bfd, value, addr);
|
}
|
}
|
#endif
|
#endif
|
|
|
/* Return the index of the PLT entry at byte offset OFFSET. */
|
/* Return the index of the PLT entry at byte offset OFFSET. */
|
|
|
static bfd_vma
|
static bfd_vma
|
get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
|
get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset)
|
{
|
{
|
return (offset - info->plt0_entry_size) / info->symbol_entry_size;
|
return (offset - info->plt0_entry_size) / info->symbol_entry_size;
|
}
|
}
|
|
|
/* Do the inverse operation. */
|
/* Do the inverse operation. */
|
|
|
static bfd_vma
|
static bfd_vma
|
get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma index)
|
get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma index)
|
{
|
{
|
return info->plt0_entry_size + (index * info->symbol_entry_size);
|
return info->plt0_entry_size + (index * info->symbol_entry_size);
|
}
|
}
|
|
|
/* The sh linker needs to keep track of the number of relocs that it
|
/* The sh 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 elf_sh_dyn_relocs
|
struct elf_sh_dyn_relocs
|
{
|
{
|
struct elf_sh_dyn_relocs *next;
|
struct elf_sh_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;
|
};
|
};
|
|
|
/* sh ELF linker hash entry. */
|
/* sh ELF linker hash entry. */
|
|
|
struct elf_sh_link_hash_entry
|
struct elf_sh_link_hash_entry
|
{
|
{
|
struct elf_link_hash_entry root;
|
struct elf_link_hash_entry root;
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
union
|
union
|
{
|
{
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} datalabel_got;
|
} datalabel_got;
|
#endif
|
#endif
|
|
|
/* Track dynamic relocs copied for this symbol. */
|
/* Track dynamic relocs copied for this symbol. */
|
struct elf_sh_dyn_relocs *dyn_relocs;
|
struct elf_sh_dyn_relocs *dyn_relocs;
|
|
|
bfd_signed_vma gotplt_refcount;
|
bfd_signed_vma gotplt_refcount;
|
|
|
enum {
|
enum {
|
GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
|
GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
|
} tls_type;
|
} tls_type;
|
};
|
};
|
|
|
#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
|
#define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
|
|
|
struct sh_elf_obj_tdata
|
struct sh_elf_obj_tdata
|
{
|
{
|
struct elf_obj_tdata root;
|
struct elf_obj_tdata root;
|
|
|
/* tls_type for each local got entry. */
|
/* tls_type for each local got entry. */
|
char *local_got_tls_type;
|
char *local_got_tls_type;
|
};
|
};
|
|
|
#define sh_elf_tdata(abfd) \
|
#define sh_elf_tdata(abfd) \
|
((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
|
((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
|
|
|
#define sh_elf_local_got_tls_type(abfd) \
|
#define sh_elf_local_got_tls_type(abfd) \
|
(sh_elf_tdata (abfd)->local_got_tls_type)
|
(sh_elf_tdata (abfd)->local_got_tls_type)
|
|
|
#define is_sh_elf(bfd) \
|
#define is_sh_elf(bfd) \
|
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
|
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
|
&& elf_tdata (bfd) != NULL \
|
&& elf_tdata (bfd) != NULL \
|
&& elf_object_id (bfd) == SH_ELF_TDATA)
|
&& elf_object_id (bfd) == SH_ELF_TDATA)
|
|
|
/* Override the generic function because we need to store sh_elf_obj_tdata
|
/* Override the generic function because we need to store sh_elf_obj_tdata
|
as the specific tdata. */
|
as the specific tdata. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_mkobject (bfd *abfd)
|
sh_elf_mkobject (bfd *abfd)
|
{
|
{
|
return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
|
return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata),
|
SH_ELF_TDATA);
|
SH_ELF_TDATA);
|
}
|
}
|
|
|
/* sh ELF linker hash table. */
|
/* sh ELF linker hash table. */
|
|
|
struct elf_sh_link_hash_table
|
struct elf_sh_link_hash_table
|
{
|
{
|
struct elf_link_hash_table root;
|
struct elf_link_hash_table root;
|
|
|
/* Short-cuts to get to dynamic linker sections. */
|
/* Short-cuts to get to dynamic linker sections. */
|
asection *sgot;
|
asection *sgot;
|
asection *sgotplt;
|
asection *sgotplt;
|
asection *srelgot;
|
asection *srelgot;
|
asection *splt;
|
asection *splt;
|
asection *srelplt;
|
asection *srelplt;
|
asection *sdynbss;
|
asection *sdynbss;
|
asection *srelbss;
|
asection *srelbss;
|
|
|
/* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
|
/* The (unloaded but important) VxWorks .rela.plt.unloaded section. */
|
asection *srelplt2;
|
asection *srelplt2;
|
|
|
/* Small local sym cache. */
|
/* Small local sym cache. */
|
struct sym_cache sym_cache;
|
struct sym_cache sym_cache;
|
|
|
/* A counter or offset to track a TLS got entry. */
|
/* A counter or offset to track a TLS got entry. */
|
union
|
union
|
{
|
{
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} tls_ldm_got;
|
} tls_ldm_got;
|
|
|
/* The type of PLT to use. */
|
/* The type of PLT to use. */
|
const struct elf_sh_plt_info *plt_info;
|
const struct elf_sh_plt_info *plt_info;
|
|
|
/* True if the target system is VxWorks. */
|
/* True if the target system is VxWorks. */
|
bfd_boolean vxworks_p;
|
bfd_boolean vxworks_p;
|
};
|
};
|
|
|
/* Traverse an sh ELF linker hash table. */
|
/* Traverse an sh ELF linker hash table. */
|
|
|
#define sh_elf_link_hash_traverse(table, func, info) \
|
#define sh_elf_link_hash_traverse(table, func, info) \
|
(elf_link_hash_traverse \
|
(elf_link_hash_traverse \
|
(&(table)->root, \
|
(&(table)->root, \
|
(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
|
(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
|
(info)))
|
(info)))
|
|
|
/* Get the sh ELF linker hash table from a link_info structure. */
|
/* Get the sh ELF linker hash table from a link_info structure. */
|
|
|
#define sh_elf_hash_table(p) \
|
#define sh_elf_hash_table(p) \
|
((struct elf_sh_link_hash_table *) ((p)->hash))
|
((struct elf_sh_link_hash_table *) ((p)->hash))
|
|
|
/* Create an entry in an sh ELF linker hash table. */
|
/* Create an entry in an sh ELF linker hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
|
sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
const char *string)
|
const char *string)
|
{
|
{
|
struct elf_sh_link_hash_entry *ret =
|
struct elf_sh_link_hash_entry *ret =
|
(struct elf_sh_link_hash_entry *) entry;
|
(struct elf_sh_link_hash_entry *) entry;
|
|
|
/* 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 (ret == (struct elf_sh_link_hash_entry *) NULL)
|
if (ret == (struct elf_sh_link_hash_entry *) NULL)
|
ret = ((struct elf_sh_link_hash_entry *)
|
ret = ((struct elf_sh_link_hash_entry *)
|
bfd_hash_allocate (table,
|
bfd_hash_allocate (table,
|
sizeof (struct elf_sh_link_hash_entry)));
|
sizeof (struct elf_sh_link_hash_entry)));
|
if (ret == (struct elf_sh_link_hash_entry *) NULL)
|
if (ret == (struct elf_sh_link_hash_entry *) NULL)
|
return (struct bfd_hash_entry *) ret;
|
return (struct bfd_hash_entry *) ret;
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
ret = ((struct elf_sh_link_hash_entry *)
|
ret = ((struct elf_sh_link_hash_entry *)
|
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
|
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
|
table, string));
|
table, string));
|
if (ret != (struct elf_sh_link_hash_entry *) NULL)
|
if (ret != (struct elf_sh_link_hash_entry *) NULL)
|
{
|
{
|
ret->dyn_relocs = NULL;
|
ret->dyn_relocs = NULL;
|
ret->gotplt_refcount = 0;
|
ret->gotplt_refcount = 0;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
ret->datalabel_got.refcount = ret->root.got.refcount;
|
ret->datalabel_got.refcount = ret->root.got.refcount;
|
#endif
|
#endif
|
ret->tls_type = GOT_UNKNOWN;
|
ret->tls_type = GOT_UNKNOWN;
|
}
|
}
|
|
|
return (struct bfd_hash_entry *) ret;
|
return (struct bfd_hash_entry *) ret;
|
}
|
}
|
|
|
/* Create an sh ELF linker hash table. */
|
/* Create an sh ELF linker hash table. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
sh_elf_link_hash_table_create (bfd *abfd)
|
sh_elf_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct elf_sh_link_hash_table *ret;
|
struct elf_sh_link_hash_table *ret;
|
bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
|
bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
|
|
|
ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
|
ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
|
if (ret == (struct elf_sh_link_hash_table *) NULL)
|
if (ret == (struct elf_sh_link_hash_table *) NULL)
|
return NULL;
|
return NULL;
|
|
|
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
|
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
|
sh_elf_link_hash_newfunc,
|
sh_elf_link_hash_newfunc,
|
sizeof (struct elf_sh_link_hash_entry)))
|
sizeof (struct elf_sh_link_hash_entry)))
|
{
|
{
|
free (ret);
|
free (ret);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
ret->sgot = NULL;
|
ret->sgot = NULL;
|
ret->sgotplt = NULL;
|
ret->sgotplt = NULL;
|
ret->srelgot = NULL;
|
ret->srelgot = NULL;
|
ret->splt = NULL;
|
ret->splt = NULL;
|
ret->srelplt = NULL;
|
ret->srelplt = NULL;
|
ret->sdynbss = NULL;
|
ret->sdynbss = NULL;
|
ret->srelbss = NULL;
|
ret->srelbss = NULL;
|
ret->srelplt2 = NULL;
|
ret->srelplt2 = NULL;
|
ret->sym_cache.abfd = NULL;
|
ret->sym_cache.abfd = NULL;
|
ret->tls_ldm_got.refcount = 0;
|
ret->tls_ldm_got.refcount = 0;
|
ret->plt_info = NULL;
|
ret->plt_info = NULL;
|
ret->vxworks_p = vxworks_object_p (abfd);
|
ret->vxworks_p = vxworks_object_p (abfd);
|
|
|
return &ret->root.root;
|
return &ret->root.root;
|
}
|
}
|
|
|
/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
|
/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
|
shortcuts to them in our hash table. */
|
shortcuts to them in our hash table. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
create_got_section (bfd *dynobj, struct bfd_link_info *info)
|
create_got_section (bfd *dynobj, struct bfd_link_info *info)
|
{
|
{
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
|
|
if (! _bfd_elf_create_got_section (dynobj, info))
|
if (! _bfd_elf_create_got_section (dynobj, info))
|
return FALSE;
|
return FALSE;
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
htab->sgot = bfd_get_section_by_name (dynobj, ".got");
|
htab->sgot = bfd_get_section_by_name (dynobj, ".got");
|
htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
|
htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
|
htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
|
if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
|
abort ();
|
abort ();
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Create dynamic sections when linking against a dynamic object. */
|
/* Create dynamic sections when linking against a dynamic object. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
flagword flags, pltflags;
|
flagword flags, pltflags;
|
register asection *s;
|
register asection *s;
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
|
int ptralign = 0;
|
int ptralign = 0;
|
|
|
switch (bed->s->arch_size)
|
switch (bed->s->arch_size)
|
{
|
{
|
case 32:
|
case 32:
|
ptralign = 2;
|
ptralign = 2;
|
break;
|
break;
|
|
|
case 64:
|
case 64:
|
ptralign = 3;
|
ptralign = 3;
|
break;
|
break;
|
|
|
default:
|
default:
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
if (htab->root.dynamic_sections_created)
|
if (htab->root.dynamic_sections_created)
|
return TRUE;
|
return TRUE;
|
|
|
/* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
|
/* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
|
.rel[a].bss sections. */
|
.rel[a].bss sections. */
|
|
|
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);
|
|
|
pltflags = flags;
|
pltflags = flags;
|
pltflags |= SEC_CODE;
|
pltflags |= SEC_CODE;
|
if (bed->plt_not_loaded)
|
if (bed->plt_not_loaded)
|
pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
|
pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
|
if (bed->plt_readonly)
|
if (bed->plt_readonly)
|
pltflags |= SEC_READONLY;
|
pltflags |= SEC_READONLY;
|
|
|
s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
|
s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
|
htab->splt = s;
|
htab->splt = s;
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
|
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
|
return FALSE;
|
return FALSE;
|
|
|
if (bed->want_plt_sym)
|
if (bed->want_plt_sym)
|
{
|
{
|
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
|
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
|
.plt section. */
|
.plt section. */
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
struct bfd_link_hash_entry *bh = NULL;
|
struct bfd_link_hash_entry *bh = NULL;
|
|
|
if (! (_bfd_generic_link_add_one_symbol
|
if (! (_bfd_generic_link_add_one_symbol
|
(info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
|
(info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
|
(bfd_vma) 0, (const char *) NULL, FALSE,
|
(bfd_vma) 0, (const char *) NULL, FALSE,
|
get_elf_backend_data (abfd)->collect, &bh)))
|
get_elf_backend_data (abfd)->collect, &bh)))
|
return FALSE;
|
return FALSE;
|
|
|
h = (struct elf_link_hash_entry *) bh;
|
h = (struct elf_link_hash_entry *) bh;
|
h->def_regular = 1;
|
h->def_regular = 1;
|
h->type = STT_OBJECT;
|
h->type = STT_OBJECT;
|
htab->root.hplt = h;
|
htab->root.hplt = h;
|
|
|
if (info->shared
|
if (info->shared
|
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
|
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
s = bfd_make_section_with_flags (abfd,
|
s = bfd_make_section_with_flags (abfd,
|
bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
|
bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
|
flags | SEC_READONLY);
|
flags | SEC_READONLY);
|
htab->srelplt = s;
|
htab->srelplt = s;
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
return FALSE;
|
return FALSE;
|
|
|
if (htab->sgot == NULL
|
if (htab->sgot == NULL
|
&& !create_got_section (abfd, info))
|
&& !create_got_section (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
{
|
{
|
const char *secname;
|
const char *secname;
|
char *relname;
|
char *relname;
|
flagword secflags;
|
flagword secflags;
|
asection *sec;
|
asection *sec;
|
|
|
for (sec = abfd->sections; sec; sec = sec->next)
|
for (sec = abfd->sections; sec; sec = sec->next)
|
{
|
{
|
secflags = bfd_get_section_flags (abfd, sec);
|
secflags = bfd_get_section_flags (abfd, sec);
|
if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
|
if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
|
|| ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
|
|| ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
|
continue;
|
continue;
|
secname = bfd_get_section_name (abfd, sec);
|
secname = bfd_get_section_name (abfd, sec);
|
relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
|
relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
|
strcpy (relname, ".rela");
|
strcpy (relname, ".rela");
|
strcat (relname, secname);
|
strcat (relname, secname);
|
if (bfd_get_section_by_name (abfd, secname))
|
if (bfd_get_section_by_name (abfd, secname))
|
continue;
|
continue;
|
s = bfd_make_section_with_flags (abfd, relname,
|
s = bfd_make_section_with_flags (abfd, relname,
|
flags | SEC_READONLY);
|
flags | SEC_READONLY);
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (bed->want_dynbss)
|
if (bed->want_dynbss)
|
{
|
{
|
/* The .dynbss section is a place to put symbols which are defined
|
/* The .dynbss section is a place to put symbols which are defined
|
by dynamic objects, are referenced by regular objects, and are
|
by dynamic objects, are referenced by regular objects, and are
|
not functions. We must allocate space for them in the process
|
not functions. We must allocate space for them in the process
|
image and use a R_*_COPY reloc to tell the dynamic linker to
|
image and use a R_*_COPY reloc to tell the dynamic linker to
|
initialize them at run time. The linker script puts the .dynbss
|
initialize them at run time. The linker script puts the .dynbss
|
section into the .bss section of the final image. */
|
section into the .bss section of the final image. */
|
s = bfd_make_section_with_flags (abfd, ".dynbss",
|
s = bfd_make_section_with_flags (abfd, ".dynbss",
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
htab->sdynbss = s;
|
htab->sdynbss = s;
|
if (s == NULL)
|
if (s == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
/* The .rel[a].bss section holds copy relocs. This section is not
|
/* The .rel[a].bss section holds copy relocs. This section is not
|
normally needed. We need to create it here, though, so that the
|
normally needed. We need to create it here, though, so that the
|
linker will map it to an output section. We can't just create it
|
linker will map it to an output section. We can't just create it
|
only if we need it, because we will not know whether we need it
|
only if we need it, because we will not know whether we need it
|
until we have seen all the input files, and the first time the
|
until we have seen all the input files, and the first time the
|
main linker code calls BFD after examining all the input files
|
main linker code calls BFD after examining all the input files
|
(size_dynamic_sections) the input sections have already been
|
(size_dynamic_sections) the input sections have already been
|
mapped to the output sections. If the section turns out not to
|
mapped to the output sections. If the section turns out not to
|
be needed, we can discard it later. We will never need this
|
be needed, we can discard it later. We will never need this
|
section when generating a shared object, since they do not use
|
section when generating a shared object, since they do not use
|
copy relocs. */
|
copy relocs. */
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
s = bfd_make_section_with_flags (abfd,
|
s = bfd_make_section_with_flags (abfd,
|
(bed->default_use_rela_p
|
(bed->default_use_rela_p
|
? ".rela.bss" : ".rel.bss"),
|
? ".rela.bss" : ".rel.bss"),
|
flags | SEC_READONLY);
|
flags | SEC_READONLY);
|
htab->srelbss = s;
|
htab->srelbss = s;
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (htab->vxworks_p)
|
if (htab->vxworks_p)
|
{
|
{
|
if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
|
if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
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
|
sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h)
|
{
|
{
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_dyn_relocs *p;
|
asection *s;
|
asection *s;
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
|
|
/* Make sure we know what is going on here. */
|
/* Make sure we know what is going on here. */
|
BFD_ASSERT (htab->root.dynobj != NULL
|
BFD_ASSERT (htab->root.dynobj != NULL
|
&& (h->needs_plt
|
&& (h->needs_plt
|
|| h->u.weakdef != NULL
|
|| h->u.weakdef != NULL
|
|| (h->def_dynamic
|
|| (h->def_dynamic
|
&& h->ref_regular
|
&& h->ref_regular
|
&& !h->def_regular)));
|
&& !h->def_regular)));
|
|
|
/* If this is a function, put it in the procedure linkage table. We
|
/* If this is a function, put it in the procedure linkage table. We
|
will fill in the contents of the procedure linkage table later,
|
will fill in the contents of the procedure linkage table later,
|
when we know the address of the .got section. */
|
when we know the address of the .got section. */
|
if (h->type == STT_FUNC
|
if (h->type == STT_FUNC
|
|| h->needs_plt)
|
|| h->needs_plt)
|
{
|
{
|
if (h->plt.refcount <= 0
|
if (h->plt.refcount <= 0
|
|| 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))
|
{
|
{
|
/* This case can occur if we saw a PLT reloc in an input
|
/* This case can occur if we saw a PLT reloc in an input
|
file, but the symbol was never referred to by a dynamic
|
file, but the symbol was never referred to by a dynamic
|
object. In such a case, we don't actually need to build
|
object. In such a case, we don't actually need to build
|
a procedure linkage table, and we can just do a REL32
|
a procedure linkage table, and we can just do a REL32
|
reloc instead. */
|
reloc instead. */
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
else
|
else
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
|
|
/* 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 (info->nocopyreloc)
|
if (info->nocopyreloc)
|
h->non_got_ref = h->u.weakdef->non_got_ref;
|
h->non_got_ref = h->u.weakdef->non_got_ref;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* 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 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;
|
|
|
/* If -z nocopyreloc was given, we won't generate them either. */
|
/* If -z nocopyreloc was given, we won't generate them either. */
|
if (info->nocopyreloc)
|
if (info->nocopyreloc)
|
{
|
{
|
h->non_got_ref = 0;
|
h->non_got_ref = 0;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
eh = (struct elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_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 | SEC_HAS_CONTENTS)) != 0)
|
if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
|
break;
|
break;
|
}
|
}
|
|
|
/* If we didn't find any dynamic relocs in sections which needs the
|
/* If we didn't find any dynamic relocs in sections which needs the
|
copy reloc, then we'll be keeping the dynamic relocs and avoiding
|
copy reloc, then we'll be keeping the dynamic relocs and avoiding
|
the copy reloc. */
|
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->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. */
|
|
|
s = htab->sdynbss;
|
s = htab->sdynbss;
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
/* We must generate a R_SH_COPY reloc to tell the dynamic linker to
|
/* We must generate a R_SH_COPY reloc to tell the dynamic linker to
|
copy the initial value out of the dynamic object and into the
|
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)
|
{
|
{
|
asection *srel;
|
asection *srel;
|
|
|
srel = htab->srelbss;
|
srel = htab->srelbss;
|
BFD_ASSERT (srel != NULL);
|
BFD_ASSERT (srel != NULL);
|
srel->size += sizeof (Elf32_External_Rela);
|
srel->size += sizeof (Elf32_External_Rela);
|
h->needs_copy = 1;
|
h->needs_copy = 1;
|
}
|
}
|
|
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
}
|
}
|
|
|
/* 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 elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_dyn_relocs *p;
|
|
|
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)
|
/* When warning symbols are created, they **replace** the "real"
|
/* When warning symbols are created, they **replace** the "real"
|
entry in the hash table, thus we never get to see the real
|
entry in the hash table, thus we never get to see the real
|
symbol in a hash traversal. So look at it now. */
|
symbol in a hash traversal. So look at it now. */
|
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 = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
|
|
eh = (struct elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_link_hash_entry *) h;
|
if ((h->got.refcount > 0
|
if ((h->got.refcount > 0
|
|| h->forced_local)
|
|| h->forced_local)
|
&& eh->gotplt_refcount > 0)
|
&& eh->gotplt_refcount > 0)
|
{
|
{
|
/* The symbol has been forced local, or we have some direct got refs,
|
/* The symbol has been forced local, or we have some direct got refs,
|
so treat all the gotplt refs as got refs. */
|
so treat all the gotplt refs as got refs. */
|
h->got.refcount += eh->gotplt_refcount;
|
h->got.refcount += eh->gotplt_refcount;
|
if (h->plt.refcount >= eh->gotplt_refcount)
|
if (h->plt.refcount >= eh->gotplt_refcount)
|
h->plt.refcount -= eh->gotplt_refcount;
|
h->plt.refcount -= eh->gotplt_refcount;
|
}
|
}
|
|
|
if (htab->root.dynamic_sections_created
|
if (htab->root.dynamic_sections_created
|
&& h->plt.refcount > 0
|
&& h->plt.refcount > 0
|
&& (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))
|
{
|
{
|
/* 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 (info->shared
|
if (info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
|
{
|
{
|
asection *s = htab->splt;
|
asection *s = htab->splt;
|
|
|
/* 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. */
|
if (s->size == 0)
|
if (s->size == 0)
|
s->size += htab->plt_info->plt0_entry_size;
|
s->size += htab->plt_info->plt0_entry_size;
|
|
|
h->plt.offset = s->size;
|
h->plt.offset = s->size;
|
|
|
/* If this symbol is not defined in a regular file, and we are
|
/* If this symbol is not defined in a regular file, and we are
|
not generating a shared library, then set the symbol to this
|
not generating a shared library, then set the symbol to this
|
location in the .plt. This is required to make function
|
location in the .plt. This is required to make function
|
pointers compare as equal between the normal executable and
|
pointers compare as equal between the normal executable and
|
the shared library. */
|
the shared library. */
|
if (! info->shared
|
if (! info->shared
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
h->root.u.def.section = s;
|
h->root.u.def.section = s;
|
h->root.u.def.value = h->plt.offset;
|
h->root.u.def.value = h->plt.offset;
|
}
|
}
|
|
|
/* Make room for this entry. */
|
/* Make room for this entry. */
|
s->size += htab->plt_info->symbol_entry_size;
|
s->size += htab->plt_info->symbol_entry_size;
|
|
|
/* We also need to make an entry in the .got.plt section, which
|
/* We also need to make an entry in the .got.plt section, which
|
will be placed in the .got section by the linker script. */
|
will be placed in the .got section by the linker script. */
|
htab->sgotplt->size += 4;
|
htab->sgotplt->size += 4;
|
|
|
/* We also need to make an entry in the .rel.plt section. */
|
/* We also need to make an entry in the .rel.plt section. */
|
htab->srelplt->size += sizeof (Elf32_External_Rela);
|
htab->srelplt->size += sizeof (Elf32_External_Rela);
|
|
|
if (htab->vxworks_p && !info->shared)
|
if (htab->vxworks_p && !info->shared)
|
{
|
{
|
/* VxWorks executables have a second set of relocations
|
/* VxWorks executables have a second set of relocations
|
for each PLT entry. They go in a separate relocation
|
for each PLT entry. They go in a separate relocation
|
section, which is processed by the kernel loader. */
|
section, which is processed by the kernel loader. */
|
|
|
/* There is a relocation for the initial PLT entry:
|
/* There is a relocation for the initial PLT entry:
|
an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
|
an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */
|
if (h->plt.offset == htab->plt_info->plt0_entry_size)
|
if (h->plt.offset == htab->plt_info->plt0_entry_size)
|
htab->srelplt2->size += sizeof (Elf32_External_Rela);
|
htab->srelplt2->size += sizeof (Elf32_External_Rela);
|
|
|
/* There are two extra relocations for each subsequent
|
/* There are two extra relocations for each subsequent
|
PLT entry: an R_SH_DIR32 relocation for the GOT entry,
|
PLT entry: an R_SH_DIR32 relocation for the GOT entry,
|
and an R_SH_DIR32 relocation for the PLT entry. */
|
and an R_SH_DIR32 relocation for the PLT entry. */
|
htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
|
htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
|
|
if (h->got.refcount > 0)
|
if (h->got.refcount > 0)
|
{
|
{
|
asection *s;
|
asection *s;
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
int tls_type = sh_elf_hash_entry (h)->tls_type;
|
int tls_type = sh_elf_hash_entry (h)->tls_type;
|
|
|
/* 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;
|
}
|
}
|
|
|
s = htab->sgot;
|
s = htab->sgot;
|
h->got.offset = s->size;
|
h->got.offset = s->size;
|
s->size += 4;
|
s->size += 4;
|
/* R_SH_TLS_GD needs 2 consecutive GOT slots. */
|
/* R_SH_TLS_GD needs 2 consecutive GOT slots. */
|
if (tls_type == GOT_TLS_GD)
|
if (tls_type == GOT_TLS_GD)
|
s->size += 4;
|
s->size += 4;
|
dyn = htab->root.dynamic_sections_created;
|
dyn = htab->root.dynamic_sections_created;
|
/* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
|
/* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
|
R_SH_TLS_GD needs one if local symbol and two if global. */
|
R_SH_TLS_GD needs one if local symbol and two if global. */
|
if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
|
if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
|
|| (tls_type == GOT_TLS_IE && dyn))
|
|| (tls_type == GOT_TLS_IE && dyn))
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
else if (tls_type == GOT_TLS_GD)
|
else if (tls_type == GOT_TLS_GD)
|
htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
|
htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
|
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
|| h->root.type != bfd_link_hash_undefweak)
|
|| h->root.type != bfd_link_hash_undefweak)
|
&& (info->shared
|
&& (info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
}
|
}
|
else
|
else
|
h->got.offset = (bfd_vma) -1;
|
h->got.offset = (bfd_vma) -1;
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (eh->datalabel_got.refcount > 0)
|
if (eh->datalabel_got.refcount > 0)
|
{
|
{
|
asection *s;
|
asection *s;
|
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. */
|
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;
|
}
|
}
|
|
|
s = htab->sgot;
|
s = htab->sgot;
|
eh->datalabel_got.offset = s->size;
|
eh->datalabel_got.offset = s->size;
|
s->size += 4;
|
s->size += 4;
|
dyn = htab->root.dynamic_sections_created;
|
dyn = htab->root.dynamic_sections_created;
|
if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
|
if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
}
|
}
|
else
|
else
|
eh->datalabel_got.offset = (bfd_vma) -1;
|
eh->datalabel_got.offset = (bfd_vma) -1;
|
#endif
|
#endif
|
|
|
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 pc-relative relocs that have become local due to symbol
|
space for pc-relative relocs that have become local due to symbol
|
visibility changes. */
|
visibility changes. */
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
{
|
{
|
struct elf_sh_dyn_relocs **pp;
|
struct elf_sh_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;
|
}
|
}
|
}
|
}
|
|
|
if (htab->vxworks_p)
|
if (htab->vxworks_p)
|
{
|
{
|
struct elf_sh_dyn_relocs **pp;
|
struct elf_sh_dyn_relocs **pp;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
|
if (strcmp (p->sec->output_section->name, ".tls_vars") == 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 undefined weak symbols are output as a dynamic
|
/* Make sure undefined weak symbols are output as a dynamic
|
symbol in PIEs. */
|
symbol in PIEs. */
|
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
|
else
|
{
|
{
|
/* 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)
|
|| (htab->root.dynamic_sections_created
|
|| (htab->root.dynamic_sections_created
|
&& (h->root.type == bfd_link_hash_undefweak
|
&& (h->root.type == bfd_link_hash_undefweak
|
|| h->root.type == bfd_link_hash_undefined))))
|
|| h->root.type == bfd_link_hash_undefined))))
|
{
|
{
|
/* 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 (Elf32_External_Rela);
|
sreloc->size += p->count * sizeof (Elf32_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 elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_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 elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_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 = (struct bfd_link_info *) inf;
|
struct bfd_link_info *info = (struct bfd_link_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;
|
}
|
}
|
|
|
/* This function is called after all the input files have been read,
|
/* This function is called after all the input files have been read,
|
and the input sections have been assigned to output sections.
|
and the input sections have been assigned to output sections.
|
It's a convenient place to determine the PLT style. */
|
It's a convenient place to determine the PLT style. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
|
sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
|
{
|
{
|
sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
|
sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set the sizes of the dynamic sections. */
|
/* Set the sizes of the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *s;
|
asection *s;
|
bfd_boolean relocs;
|
bfd_boolean relocs;
|
bfd *ibfd;
|
bfd *ibfd;
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
dynobj = htab->root.dynobj;
|
dynobj = htab->root.dynobj;
|
BFD_ASSERT (dynobj != NULL);
|
BFD_ASSERT (dynobj != NULL);
|
|
|
if (htab->root.dynamic_sections_created)
|
if (htab->root.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");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
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)
|
{
|
{
|
bfd_signed_vma *local_got;
|
bfd_signed_vma *local_got;
|
bfd_signed_vma *end_local_got;
|
bfd_signed_vma *end_local_got;
|
char *local_tls_type;
|
char *local_tls_type;
|
bfd_size_type locsymcount;
|
bfd_size_type locsymcount;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
asection *srel;
|
asection *srel;
|
|
|
if (! is_sh_elf (ibfd))
|
if (! is_sh_elf (ibfd))
|
continue;
|
continue;
|
|
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
{
|
{
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_dyn_relocs *p;
|
|
|
for (p = ((struct elf_sh_dyn_relocs *)
|
for (p = ((struct elf_sh_dyn_relocs *)
|
elf_section_data (s)->local_dynrel);
|
elf_section_data (s)->local_dynrel);
|
p != NULL;
|
p != NULL;
|
p = p->next)
|
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 (htab->vxworks_p
|
else if (htab->vxworks_p
|
&& strcmp (p->sec->output_section->name,
|
&& strcmp (p->sec->output_section->name,
|
".tls_vars") == 0)
|
".tls_vars") == 0)
|
{
|
{
|
/* Relocations in vxworks .tls_vars sections are
|
/* Relocations in vxworks .tls_vars sections are
|
handled specially by the loader. */
|
handled specially by the loader. */
|
}
|
}
|
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 (Elf32_External_Rela);
|
srel->size += p->count * sizeof (Elf32_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;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
local_got = elf_local_got_refcounts (ibfd);
|
local_got = elf_local_got_refcounts (ibfd);
|
if (!local_got)
|
if (!local_got)
|
continue;
|
continue;
|
|
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
locsymcount = symtab_hdr->sh_info;
|
locsymcount = symtab_hdr->sh_info;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
/* Count datalabel local GOT. */
|
/* Count datalabel local GOT. */
|
locsymcount *= 2;
|
locsymcount *= 2;
|
#endif
|
#endif
|
end_local_got = local_got + locsymcount;
|
end_local_got = local_got + locsymcount;
|
local_tls_type = sh_elf_local_got_tls_type (ibfd);
|
local_tls_type = sh_elf_local_got_tls_type (ibfd);
|
s = htab->sgot;
|
s = htab->sgot;
|
srel = htab->srelgot;
|
srel = htab->srelgot;
|
for (; local_got < end_local_got; ++local_got)
|
for (; local_got < end_local_got; ++local_got)
|
{
|
{
|
if (*local_got > 0)
|
if (*local_got > 0)
|
{
|
{
|
*local_got = s->size;
|
*local_got = s->size;
|
s->size += 4;
|
s->size += 4;
|
if (*local_tls_type == GOT_TLS_GD)
|
if (*local_tls_type == GOT_TLS_GD)
|
s->size += 4;
|
s->size += 4;
|
if (info->shared)
|
if (info->shared)
|
srel->size += sizeof (Elf32_External_Rela);
|
srel->size += sizeof (Elf32_External_Rela);
|
}
|
}
|
else
|
else
|
*local_got = (bfd_vma) -1;
|
*local_got = (bfd_vma) -1;
|
++local_tls_type;
|
++local_tls_type;
|
}
|
}
|
}
|
}
|
|
|
if (htab->tls_ldm_got.refcount > 0)
|
if (htab->tls_ldm_got.refcount > 0)
|
{
|
{
|
/* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
|
/* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
|
relocs. */
|
relocs. */
|
htab->tls_ldm_got.offset = htab->sgot->size;
|
htab->tls_ldm_got.offset = htab->sgot->size;
|
htab->sgot->size += 8;
|
htab->sgot->size += 8;
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
htab->srelgot->size += sizeof (Elf32_External_Rela);
|
}
|
}
|
else
|
else
|
htab->tls_ldm_got.offset = -1;
|
htab->tls_ldm_got.offset = -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->root, allocate_dynrelocs, info);
|
elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
|
|
|
/* 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->splt
|
if (s == htab->splt
|
|| s == htab->sgot
|
|| s == htab->sgot
|
|| s == htab->sgotplt
|
|| s == htab->sgotplt
|
|| s == htab->sdynbss)
|
|| s == htab->sdynbss)
|
{
|
{
|
/* 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 && s != htab->srelplt && s != htab->srelplt2)
|
if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
|
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_SH_NONE reloc instead
|
but this way if it does, we get a R_SH_NONE reloc instead
|
of garbage. */
|
of garbage. */
|
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
|
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->root.dynamic_sections_created)
|
if (htab->root.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 sh_elf_finish_dynamic_sections, but we
|
values later, in sh_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->splt->size != 0)
|
if (htab->splt->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))
|
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,
|
|| ! add_dynamic_entry (DT_RELAENT,
|
sizeof (Elf32_External_Rela)))
|
sizeof (Elf32_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->root, readonly_dynrelocs, info);
|
elf_link_hash_traverse (&htab->root, 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;
|
}
|
}
|
}
|
}
|
if (htab->vxworks_p
|
if (htab->vxworks_p
|
&& !elf_vxworks_add_dynamic_entries (output_bfd, info))
|
&& !elf_vxworks_add_dynamic_entries (output_bfd, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
#undef add_dynamic_entry
|
#undef add_dynamic_entry
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Relocate an SH ELF section. */
|
/* Relocate an SH ELF section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
bfd *input_bfd, asection *input_section,
|
bfd *input_bfd, asection *input_section,
|
bfd_byte *contents, Elf_Internal_Rela *relocs,
|
bfd_byte *contents, Elf_Internal_Rela *relocs,
|
Elf_Internal_Sym *local_syms,
|
Elf_Internal_Sym *local_syms,
|
asection **local_sections)
|
asection **local_sections)
|
{
|
{
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_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, *relend;
|
Elf_Internal_Rela *rel, *relend;
|
bfd *dynobj;
|
bfd *dynobj;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
asection *sgot;
|
asection *sgot;
|
asection *sgotplt;
|
asection *sgotplt;
|
asection *splt;
|
asection *splt;
|
asection *sreloc;
|
asection *sreloc;
|
asection *srelgot;
|
asection *srelgot;
|
bfd_boolean is_vxworks_tls;
|
bfd_boolean is_vxworks_tls;
|
|
|
BFD_ASSERT (is_sh_elf (input_bfd));
|
BFD_ASSERT (is_sh_elf (input_bfd));
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
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);
|
dynobj = htab->root.dynobj;
|
dynobj = htab->root.dynobj;
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
|
|
sgot = htab->sgot;
|
sgot = htab->sgot;
|
sgotplt = htab->sgotplt;
|
sgotplt = htab->sgotplt;
|
splt = htab->splt;
|
splt = htab->splt;
|
sreloc = NULL;
|
sreloc = NULL;
|
srelgot = NULL;
|
srelgot = NULL;
|
/* We have to handle relocations in vxworks .tls_vars sections
|
/* We have to handle relocations in vxworks .tls_vars sections
|
specially, because the dynamic loader is 'weird'. */
|
specially, because the dynamic loader is 'weird'. */
|
is_vxworks_tls = (htab->vxworks_p && info->shared
|
is_vxworks_tls = (htab->vxworks_p && info->shared
|
&& !strcmp (input_section->output_section->name,
|
&& !strcmp (input_section->output_section->name,
|
".tls_vars"));
|
".tls_vars"));
|
|
|
rel = relocs;
|
rel = relocs;
|
relend = relocs + input_section->reloc_count;
|
relend = relocs + input_section->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
int r_type;
|
int r_type;
|
reloc_howto_type *howto;
|
reloc_howto_type *howto;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_vma addend = (bfd_vma) 0;
|
bfd_vma addend = (bfd_vma) 0;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
int seen_stt_datalabel = 0;
|
int seen_stt_datalabel = 0;
|
bfd_vma off;
|
bfd_vma off;
|
int tls_type;
|
int tls_type;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
|
|
/* Many of the relocs are only used for relaxing, and are
|
/* Many of the relocs are only used for relaxing, and are
|
handled entirely by the relaxation code. */
|
handled entirely by the relaxation code. */
|
if (r_type >= (int) R_SH_GNU_VTINHERIT
|
if (r_type >= (int) R_SH_GNU_VTINHERIT
|
&& r_type <= (int) R_SH_LABEL)
|
&& r_type <= (int) R_SH_LABEL)
|
continue;
|
continue;
|
if (r_type == (int) R_SH_NONE)
|
if (r_type == (int) R_SH_NONE)
|
continue;
|
continue;
|
|
|
if (r_type < 0
|
if (r_type < 0
|
|| r_type >= R_SH_max
|
|| r_type >= R_SH_max
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC)
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC)
|
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
|
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
|
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
|
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
|
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
|
|| ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
howto = get_howto_table (output_bfd) + r_type;
|
howto = get_howto_table (output_bfd) + r_type;
|
|
|
/* For relocs that aren't partial_inplace, we get the addend from
|
/* For relocs that aren't partial_inplace, we get the addend from
|
the relocation. */
|
the relocation. */
|
if (! howto->partial_inplace)
|
if (! howto->partial_inplace)
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
|
|
h = NULL;
|
h = NULL;
|
sym = NULL;
|
sym = NULL;
|
sec = NULL;
|
sec = NULL;
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
{
|
{
|
sym = local_syms + r_symndx;
|
sym = local_syms + r_symndx;
|
sec = local_sections[r_symndx];
|
sec = local_sections[r_symndx];
|
relocation = (sec->output_section->vma
|
relocation = (sec->output_section->vma
|
+ sec->output_offset
|
+ sec->output_offset
|
+ sym->st_value);
|
+ sym->st_value);
|
/* A local symbol never has STO_SH5_ISA32, so we don't need
|
/* A local symbol never has STO_SH5_ISA32, so we don't need
|
datalabel processing here. Make sure this does not change
|
datalabel processing here. Make sure this does not change
|
without notice. */
|
without notice. */
|
if ((sym->st_other & STO_SH5_ISA32) != 0)
|
if ((sym->st_other & STO_SH5_ISA32) != 0)
|
((*info->callbacks->reloc_dangerous)
|
((*info->callbacks->reloc_dangerous)
|
(info,
|
(info,
|
_("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
|
_("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
|
input_bfd, input_section, rel->r_offset));
|
input_bfd, input_section, rel->r_offset));
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
if (sec != NULL && elf_discarded_section (sec))
|
/* Handled below. */
|
/* Handled below. */
|
;
|
;
|
else if (info->relocatable)
|
else if (info->relocatable)
|
{
|
{
|
/* This is a relocatable link. We don't have to change
|
/* This is a relocatable link. We don't have to change
|
anything, unless the reloc is against a section symbol,
|
anything, unless the reloc is against a section symbol,
|
in which case we have to adjust according to where the
|
in which case we have to adjust according to where the
|
section symbol winds up in the output section. */
|
section symbol winds up in the output section. */
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
{
|
{
|
if (! howto->partial_inplace)
|
if (! howto->partial_inplace)
|
{
|
{
|
/* For relocations with the addend in the
|
/* For relocations with the addend in the
|
relocation, we need just to update the addend.
|
relocation, we need just to update the addend.
|
All real relocs are of type partial_inplace; this
|
All real relocs are of type partial_inplace; this
|
code is mostly for completeness. */
|
code is mostly for completeness. */
|
rel->r_addend += sec->output_offset;
|
rel->r_addend += sec->output_offset;
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Relocs of type partial_inplace need to pick up the
|
/* Relocs of type partial_inplace need to pick up the
|
contents in the contents and add the offset resulting
|
contents in the contents and add the offset resulting
|
from the changed location of the section symbol.
|
from the changed location of the section symbol.
|
Using _bfd_final_link_relocate (e.g. goto
|
Using _bfd_final_link_relocate (e.g. goto
|
final_link_relocate) here would be wrong, because
|
final_link_relocate) here would be wrong, because
|
relocations marked pc_relative would get the current
|
relocations marked pc_relative would get the current
|
location subtracted, and we must only do that at the
|
location subtracted, and we must only do that at the
|
final link. */
|
final link. */
|
r = _bfd_relocate_contents (howto, input_bfd,
|
r = _bfd_relocate_contents (howto, input_bfd,
|
sec->output_offset
|
sec->output_offset
|
+ sym->st_value,
|
+ sym->st_value,
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
goto relocation_done;
|
goto relocation_done;
|
}
|
}
|
|
|
continue;
|
continue;
|
}
|
}
|
else if (! howto->partial_inplace)
|
else if (! howto->partial_inplace)
|
{
|
{
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
}
|
}
|
else if ((sec->flags & SEC_MERGE)
|
else if ((sec->flags & SEC_MERGE)
|
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
{
|
{
|
asection *msec;
|
asection *msec;
|
|
|
if (howto->rightshift || howto->src_mask != 0xffffffff)
|
if (howto->rightshift || howto->src_mask != 0xffffffff)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
|
(_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
|
input_bfd, input_section,
|
input_bfd, input_section,
|
(long) rel->r_offset, howto->name);
|
(long) rel->r_offset, howto->name);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
msec = sec;
|
msec = sec;
|
addend =
|
addend =
|
_bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
|
_bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
|
- relocation;
|
- relocation;
|
addend += msec->output_section->vma + msec->output_offset;
|
addend += msec->output_section->vma + msec->output_offset;
|
bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
|
bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
|
addend = 0;
|
addend = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
|
/* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
|
|
|
relocation = 0;
|
relocation = 0;
|
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)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
/* If the reference passes a symbol marked with
|
/* If the reference passes a symbol marked with
|
STT_DATALABEL, then any STO_SH5_ISA32 on the final value
|
STT_DATALABEL, then any STO_SH5_ISA32 on the final value
|
doesn't count. */
|
doesn't count. */
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
#endif
|
#endif
|
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)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
|
|
dyn = htab->root.dynamic_sections_created;
|
dyn = htab->root.dynamic_sections_created;
|
sec = h->root.u.def.section;
|
sec = h->root.u.def.section;
|
/* In these cases, we don't need the relocation value.
|
/* In these cases, we don't need the relocation value.
|
We check specially because in some obscure cases
|
We check specially because in some obscure cases
|
sec->output_section will be NULL. */
|
sec->output_section will be NULL. */
|
if (r_type == R_SH_GOTPC
|
if (r_type == R_SH_GOTPC
|
|| r_type == R_SH_GOTPC_LOW16
|
|| r_type == R_SH_GOTPC_LOW16
|
|| r_type == R_SH_GOTPC_MEDLOW16
|
|| r_type == R_SH_GOTPC_MEDLOW16
|
|| r_type == R_SH_GOTPC_MEDHI16
|
|| r_type == R_SH_GOTPC_MEDHI16
|
|| r_type == R_SH_GOTPC_HI16
|
|| r_type == R_SH_GOTPC_HI16
|
|| ((r_type == R_SH_PLT32
|
|| ((r_type == R_SH_PLT32
|
|| r_type == R_SH_PLT_LOW16
|
|| r_type == R_SH_PLT_LOW16
|
|| r_type == R_SH_PLT_MEDLOW16
|
|| r_type == R_SH_PLT_MEDLOW16
|
|| r_type == R_SH_PLT_MEDHI16
|
|| r_type == R_SH_PLT_MEDHI16
|
|| r_type == R_SH_PLT_HI16)
|
|| r_type == R_SH_PLT_HI16)
|
&& h->plt.offset != (bfd_vma) -1)
|
&& h->plt.offset != (bfd_vma) -1)
|
|| ((r_type == R_SH_GOT32
|
|| ((r_type == R_SH_GOT32
|
|| r_type == R_SH_GOT_LOW16
|
|| r_type == R_SH_GOT_LOW16
|
|| r_type == R_SH_GOT_MEDLOW16
|
|| r_type == R_SH_GOT_MEDLOW16
|
|| r_type == R_SH_GOT_MEDHI16
|
|| r_type == R_SH_GOT_MEDHI16
|
|| r_type == R_SH_GOT_HI16)
|
|| r_type == R_SH_GOT_HI16)
|
&& WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|
&& WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|
&& (! info->shared
|
&& (! info->shared
|
|| (! info->symbolic && h->dynindx != -1)
|
|| (! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular))
|
|| !h->def_regular))
|
/* The cases above are those in which relocation is
|
/* The cases above are those in which relocation is
|
overwritten in the switch block below. The cases
|
overwritten in the switch block below. The cases
|
below are those in which we must defer relocation
|
below are those in which we must defer relocation
|
to run-time, because we can't resolve absolute
|
to run-time, because we can't resolve absolute
|
addresses when creating a shared library. */
|
addresses when creating a shared library. */
|
|| (info->shared
|
|| (info->shared
|
&& ((! info->symbolic && h->dynindx != -1)
|
&& ((! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular)
|
|| !h->def_regular)
|
&& ((r_type == R_SH_DIR32
|
&& ((r_type == R_SH_DIR32
|
&& !h->forced_local)
|
&& !h->forced_local)
|
|| (r_type == R_SH_REL32
|
|| (r_type == R_SH_REL32
|
&& !SYMBOL_CALLS_LOCAL (info, h)))
|
&& !SYMBOL_CALLS_LOCAL (info, h)))
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
/* DWARF will emit R_SH_DIR32 relocations in its
|
/* DWARF will emit R_SH_DIR32 relocations in its
|
sections against symbols defined externally
|
sections against symbols defined externally
|
in shared libraries. We can't do anything
|
in shared libraries. We can't do anything
|
with them here. */
|
with them here. */
|
|| ((input_section->flags & SEC_DEBUGGING) != 0
|
|| ((input_section->flags & SEC_DEBUGGING) != 0
|
&& h->def_dynamic)))
|
&& h->def_dynamic)))
|
/* Dynamic relocs are not propagated for SEC_DEBUGGING
|
/* Dynamic relocs are not propagated for SEC_DEBUGGING
|
sections because such sections are not SEC_ALLOC and
|
sections because such sections are not SEC_ALLOC and
|
thus ld.so will not process them. */
|
thus ld.so will not process them. */
|
|| (sec->output_section == NULL
|
|| (sec->output_section == NULL
|
&& ((input_section->flags & SEC_DEBUGGING) != 0
|
&& ((input_section->flags & SEC_DEBUGGING) != 0
|
&& h->def_dynamic))
|
&& h->def_dynamic))
|
|| (sec->output_section == NULL
|
|| (sec->output_section == NULL
|
&& (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
|
&& (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
|
|| sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
|
|| sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
|
;
|
;
|
else if (sec->output_section != NULL)
|
else if (sec->output_section != NULL)
|
relocation = ((h->root.u.def.value
|
relocation = ((h->root.u.def.value
|
+ sec->output_section->vma
|
+ sec->output_section->vma
|
+ sec->output_offset)
|
+ sec->output_offset)
|
/* A STO_SH5_ISA32 causes a "bitor 1" to the
|
/* A STO_SH5_ISA32 causes a "bitor 1" to the
|
symbol value, unless we've seen
|
symbol value, unless we've seen
|
STT_DATALABEL on the way to it. */
|
STT_DATALABEL on the way to it. */
|
| ((h->other & STO_SH5_ISA32) != 0
|
| ((h->other & STO_SH5_ISA32) != 0
|
&& ! seen_stt_datalabel));
|
&& ! seen_stt_datalabel));
|
else if (!info->relocatable)
|
else if (!info->relocatable)
|
{
|
{
|
(*_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,
|
howto->name,
|
howto->name,
|
h->root.root.string);
|
h->root.root.string);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
else if (h->root.type == bfd_link_hash_undefweak)
|
else if (h->root.type == bfd_link_hash_undefweak)
|
;
|
;
|
else if (info->unresolved_syms_in_objects == RM_IGNORE
|
else if (info->unresolved_syms_in_objects == RM_IGNORE
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
;
|
;
|
else if (!info->relocatable)
|
else if (!info->relocatable)
|
{
|
{
|
if (! info->callbacks->undefined_symbol
|
if (! info->callbacks->undefined_symbol
|
(info, h->root.root.string, input_bfd,
|
(info, h->root.root.string, input_bfd,
|
input_section, rel->r_offset,
|
input_section, rel->r_offset,
|
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|
|| ELF_ST_VISIBILITY (h->other))))
|
|| ELF_ST_VISIBILITY (h->other))))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
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 (howto, input_bfd, contents + rel->r_offset);
|
_bfd_clear_contents (howto, input_bfd, 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;
|
|
|
switch ((int) r_type)
|
switch ((int) r_type)
|
{
|
{
|
final_link_relocate:
|
final_link_relocate:
|
/* COFF relocs don't use the addend. The addend is used for
|
/* COFF relocs don't use the addend. The addend is used for
|
R_SH_DIR32 to be compatible with other compilers. */
|
R_SH_DIR32 to be compatible with other compilers. */
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
contents, rel->r_offset,
|
contents, rel->r_offset,
|
relocation, addend);
|
relocation, addend);
|
break;
|
break;
|
|
|
case R_SH_IND12W:
|
case R_SH_IND12W:
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPZ:
|
case R_SH_DIR8WPL:
|
case R_SH_DIR8WPL:
|
/* If the reloc is against the start of this section, then
|
/* If the reloc is against the start of this section, then
|
the assembler has already taken care of it and the reloc
|
the assembler has already taken care of it and the reloc
|
is here only to assist in relaxing. If the reloc is not
|
is here only to assist in relaxing. If the reloc is not
|
against the start of this section, then it's against an
|
against the start of this section, then it's against an
|
external symbol and we must deal with it ourselves. */
|
external symbol and we must deal with it ourselves. */
|
if (input_section->output_section->vma + input_section->output_offset
|
if (input_section->output_section->vma + input_section->output_offset
|
!= relocation)
|
!= relocation)
|
{
|
{
|
int disp = (relocation
|
int disp = (relocation
|
- input_section->output_section->vma
|
- input_section->output_section->vma
|
- input_section->output_offset
|
- input_section->output_offset
|
- rel->r_offset);
|
- rel->r_offset);
|
int mask = 0;
|
int mask = 0;
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPN:
|
case R_SH_DIR8WPZ: mask = 1; break;
|
case R_SH_DIR8WPZ: mask = 1; break;
|
case R_SH_DIR8WPL: mask = 3; break;
|
case R_SH_DIR8WPL: mask = 3; break;
|
default: mask = 0; break;
|
default: mask = 0; break;
|
}
|
}
|
if (disp & mask)
|
if (disp & mask)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
|
(_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
|
input_section->owner,
|
input_section->owner,
|
(unsigned long) rel->r_offset));
|
(unsigned long) rel->r_offset));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
relocation -= 4;
|
relocation -= 4;
|
goto final_link_relocate;
|
goto final_link_relocate;
|
}
|
}
|
r = bfd_reloc_ok;
|
r = bfd_reloc_ok;
|
break;
|
break;
|
|
|
default:
|
default:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (shmedia_prepare_reloc (info, input_bfd, input_section,
|
if (shmedia_prepare_reloc (info, input_bfd, input_section,
|
contents, rel, &relocation))
|
contents, rel, &relocation))
|
goto final_link_relocate;
|
goto final_link_relocate;
|
#endif
|
#endif
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
|
|
case R_SH_DIR16:
|
case R_SH_DIR16:
|
case R_SH_DIR8:
|
case R_SH_DIR8:
|
case R_SH_DIR8U:
|
case R_SH_DIR8U:
|
case R_SH_DIR8S:
|
case R_SH_DIR8S:
|
case R_SH_DIR4U:
|
case R_SH_DIR4U:
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_DIR8UL:
|
case R_SH_DIR8UL:
|
case R_SH_DIR4UL:
|
case R_SH_DIR4UL:
|
if (relocation & 3)
|
if (relocation & 3)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
|
(_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
|
input_section->owner,
|
input_section->owner,
|
(unsigned long) rel->r_offset, howto->name,
|
(unsigned long) rel->r_offset, howto->name,
|
(unsigned long) relocation));
|
(unsigned long) relocation));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_DIR8UW:
|
case R_SH_DIR8UW:
|
case R_SH_DIR8SW:
|
case R_SH_DIR8SW:
|
case R_SH_DIR4UW:
|
case R_SH_DIR4UW:
|
if (relocation & 1)
|
if (relocation & 1)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
|
(_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
|
input_section->owner,
|
input_section->owner,
|
(unsigned long) rel->r_offset, howto->name,
|
(unsigned long) rel->r_offset, howto->name,
|
(unsigned long) relocation));
|
(unsigned long) relocation));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_PSHA:
|
case R_SH_PSHA:
|
if ((signed int)relocation < -32
|
if ((signed int)relocation < -32
|
|| (signed int)relocation > 32)
|
|| (signed int)relocation > 32)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
|
(_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
|
input_section->owner,
|
input_section->owner,
|
(unsigned long) rel->r_offset,
|
(unsigned long) rel->r_offset,
|
(unsigned long) relocation));
|
(unsigned long) relocation));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_PSHL:
|
case R_SH_PSHL:
|
if ((signed int)relocation < -16
|
if ((signed int)relocation < -16
|
|| (signed int)relocation > 16)
|
|| (signed int)relocation > 16)
|
{
|
{
|
((*_bfd_error_handler)
|
((*_bfd_error_handler)
|
(_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
|
(_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
|
input_section->owner,
|
input_section->owner,
|
(unsigned long) rel->r_offset,
|
(unsigned long) rel->r_offset,
|
(unsigned long) relocation));
|
(unsigned long) relocation));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_DIR32:
|
case R_SH_DIR32:
|
case R_SH_REL32:
|
case R_SH_REL32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_IMM_LOW16_PCREL:
|
case R_SH_IMM_LOW16_PCREL:
|
case R_SH_IMM_MEDLOW16_PCREL:
|
case R_SH_IMM_MEDLOW16_PCREL:
|
case R_SH_IMM_MEDHI16_PCREL:
|
case R_SH_IMM_MEDHI16_PCREL:
|
case R_SH_IMM_HI16_PCREL:
|
case R_SH_IMM_HI16_PCREL:
|
#endif
|
#endif
|
if (info->shared
|
if (info->shared
|
&& (h == NULL
|
&& (h == NULL
|
|| 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)
|
&& r_symndx != 0
|
&& r_symndx != 0
|
&& (input_section->flags & SEC_ALLOC) != 0
|
&& (input_section->flags & SEC_ALLOC) != 0
|
&& !is_vxworks_tls
|
&& !is_vxworks_tls
|
&& (r_type == R_SH_DIR32
|
&& (r_type == R_SH_DIR32
|
|| !SYMBOL_CALLS_LOCAL (info, h)))
|
|| !SYMBOL_CALLS_LOCAL (info, h)))
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
bfd_boolean skip, relocate;
|
bfd_boolean skip, relocate;
|
|
|
/* When generating a shared object, these relocations
|
/* When generating a shared 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. */
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
skip = FALSE;
|
skip = FALSE;
|
relocate = FALSE;
|
relocate = FALSE;
|
|
|
outrel.r_offset =
|
outrel.r_offset =
|
_bfd_elf_section_offset (output_bfd, info, input_section,
|
_bfd_elf_section_offset (output_bfd, info, input_section,
|
rel->r_offset);
|
rel->r_offset);
|
if (outrel.r_offset == (bfd_vma) -1)
|
if (outrel.r_offset == (bfd_vma) -1)
|
skip = TRUE;
|
skip = TRUE;
|
else if (outrel.r_offset == (bfd_vma) -2)
|
else if (outrel.r_offset == (bfd_vma) -2)
|
skip = TRUE, relocate = TRUE;
|
skip = TRUE, relocate = TRUE;
|
outrel.r_offset += (input_section->output_section->vma
|
outrel.r_offset += (input_section->output_section->vma
|
+ input_section->output_offset);
|
+ input_section->output_offset);
|
|
|
if (skip)
|
if (skip)
|
memset (&outrel, 0, sizeof outrel);
|
memset (&outrel, 0, sizeof outrel);
|
else if (r_type == R_SH_REL32)
|
else if (r_type == R_SH_REL32)
|
{
|
{
|
BFD_ASSERT (h != NULL && h->dynindx != -1);
|
BFD_ASSERT (h != NULL && h->dynindx != -1);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
|
outrel.r_addend
|
outrel.r_addend
|
= (howto->partial_inplace
|
= (howto->partial_inplace
|
? bfd_get_32 (input_bfd, contents + rel->r_offset)
|
? bfd_get_32 (input_bfd, contents + rel->r_offset)
|
: addend);
|
: addend);
|
}
|
}
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
else if (r_type == R_SH_IMM_LOW16_PCREL
|
else if (r_type == R_SH_IMM_LOW16_PCREL
|
|| r_type == R_SH_IMM_MEDLOW16_PCREL
|
|| r_type == R_SH_IMM_MEDLOW16_PCREL
|
|| r_type == R_SH_IMM_MEDHI16_PCREL
|
|| r_type == R_SH_IMM_MEDHI16_PCREL
|
|| r_type == R_SH_IMM_HI16_PCREL)
|
|| r_type == R_SH_IMM_HI16_PCREL)
|
{
|
{
|
BFD_ASSERT (h != NULL && h->dynindx != -1);
|
BFD_ASSERT (h != NULL && h->dynindx != -1);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
outrel.r_addend = addend;
|
outrel.r_addend = addend;
|
}
|
}
|
#endif
|
#endif
|
else
|
else
|
{
|
{
|
/* h->dynindx may be -1 if this symbol was marked to
|
/* h->dynindx may be -1 if this symbol was marked to
|
become local. */
|
become local. */
|
if (h == NULL
|
if (h == NULL
|
|| ((info->symbolic || h->dynindx == -1)
|
|| ((info->symbolic || h->dynindx == -1)
|
&& h->def_regular))
|
&& h->def_regular))
|
{
|
{
|
relocate = howto->partial_inplace;
|
relocate = howto->partial_inplace;
|
outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
}
|
}
|
else
|
else
|
{
|
{
|
BFD_ASSERT (h->dynindx != -1);
|
BFD_ASSERT (h->dynindx != -1);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
|
}
|
}
|
outrel.r_addend = relocation;
|
outrel.r_addend = relocation;
|
outrel.r_addend
|
outrel.r_addend
|
+= (howto->partial_inplace
|
+= (howto->partial_inplace
|
? bfd_get_32 (input_bfd, contents + rel->r_offset)
|
? bfd_get_32 (input_bfd, contents + rel->r_offset)
|
: addend);
|
: addend);
|
}
|
}
|
|
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
|
|
/* If this reloc is against an external symbol, we do
|
/* If this reloc is against an external symbol, we do
|
not want to fiddle with the addend. Otherwise, we
|
not want to fiddle with the addend. Otherwise, we
|
need to include the symbol value so that it becomes
|
need to include the symbol value so that it becomes
|
an addend for the dynamic reloc. */
|
an addend for the dynamic reloc. */
|
if (! relocate)
|
if (! relocate)
|
continue;
|
continue;
|
}
|
}
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_GOTPLT32:
|
case R_SH_GOTPLT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY8:
|
case R_SH_GOTPLT10BY8:
|
#endif
|
#endif
|
/* 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. */
|
|
|
if (h == NULL
|
if (h == NULL
|
|| h->forced_local
|
|| h->forced_local
|
|| ! info->shared
|
|| ! info->shared
|
|| info->symbolic
|
|| info->symbolic
|
|| h->dynindx == -1
|
|| h->dynindx == -1
|
|| h->plt.offset == (bfd_vma) -1
|
|| h->plt.offset == (bfd_vma) -1
|
|| h->got.offset != (bfd_vma) -1)
|
|| h->got.offset != (bfd_vma) -1)
|
goto force_got;
|
goto force_got;
|
|
|
/* Relocation is to the entry for this symbol in the global
|
/* Relocation is to the entry for this symbol in the global
|
offset table extension for the procedure linkage table. */
|
offset table extension for the procedure linkage table. */
|
|
|
BFD_ASSERT (sgotplt != NULL);
|
BFD_ASSERT (sgotplt != NULL);
|
relocation = (sgotplt->output_offset
|
relocation = (sgotplt->output_offset
|
+ (get_plt_index (htab->plt_info, h->plt.offset)
|
+ (get_plt_index (htab->plt_info, h->plt.offset)
|
+ 3) * 4);
|
+ 3) * 4);
|
|
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
relocation -= GOT_BIAS;
|
relocation -= GOT_BIAS;
|
#endif
|
#endif
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
force_got:
|
force_got:
|
case R_SH_GOT32:
|
case R_SH_GOT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY8:
|
case R_SH_GOT10BY8:
|
#endif
|
#endif
|
/* 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. */
|
|
|
BFD_ASSERT (sgot != NULL);
|
BFD_ASSERT (sgot != NULL);
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
|
|
off = h->got.offset;
|
off = h->got.offset;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (seen_stt_datalabel)
|
if (seen_stt_datalabel)
|
{
|
{
|
struct elf_sh_link_hash_entry *hsh;
|
struct elf_sh_link_hash_entry *hsh;
|
|
|
hsh = (struct elf_sh_link_hash_entry *)h;
|
hsh = (struct elf_sh_link_hash_entry *)h;
|
off = hsh->datalabel_got.offset;
|
off = hsh->datalabel_got.offset;
|
}
|
}
|
#endif
|
#endif
|
BFD_ASSERT (off != (bfd_vma) -1);
|
BFD_ASSERT (off != (bfd_vma) -1);
|
|
|
dyn = htab->root.dynamic_sections_created;
|
dyn = htab->root.dynamic_sections_created;
|
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|
|| (info->shared
|
|| (info->shared
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
|| (ELF_ST_VISIBILITY (h->other)
|
|| (ELF_ST_VISIBILITY (h->other)
|
&& h->root.type == bfd_link_hash_undefweak))
|
&& h->root.type == bfd_link_hash_undefweak))
|
{
|
{
|
/* 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. We must initialize
|
because of a version file. We must initialize
|
this entry in the global offset table. Since the
|
this entry in the global offset table. Since the
|
offset must always be a multiple of 4, we use the
|
offset must always be a multiple of 4, we use the
|
least significant bit to record whether we have
|
least significant bit to record whether we have
|
initialized it already.
|
initialized it already.
|
|
|
When doing a dynamic link, we create a .rela.got
|
When doing a dynamic link, we create a .rela.got
|
relocation entry to initialize the value. This
|
relocation entry to initialize the value. This
|
is done in the finish_dynamic_symbol routine. */
|
is done in the finish_dynamic_symbol routine. */
|
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, relocation,
|
bfd_put_32 (output_bfd, relocation,
|
sgot->contents + off);
|
sgot->contents + off);
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (seen_stt_datalabel)
|
if (seen_stt_datalabel)
|
{
|
{
|
struct elf_sh_link_hash_entry *hsh;
|
struct elf_sh_link_hash_entry *hsh;
|
|
|
hsh = (struct elf_sh_link_hash_entry *)h;
|
hsh = (struct elf_sh_link_hash_entry *)h;
|
hsh->datalabel_got.offset |= 1;
|
hsh->datalabel_got.offset |= 1;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
h->got.offset |= 1;
|
h->got.offset |= 1;
|
}
|
}
|
}
|
}
|
|
|
relocation = sgot->output_offset + off;
|
relocation = sgot->output_offset + off;
|
}
|
}
|
else
|
else
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (rel->r_addend)
|
if (rel->r_addend)
|
{
|
{
|
BFD_ASSERT (local_got_offsets != NULL
|
BFD_ASSERT (local_got_offsets != NULL
|
&& (local_got_offsets[symtab_hdr->sh_info
|
&& (local_got_offsets[symtab_hdr->sh_info
|
+ r_symndx]
|
+ r_symndx]
|
!= (bfd_vma) -1));
|
!= (bfd_vma) -1));
|
|
|
off = local_got_offsets[symtab_hdr->sh_info
|
off = local_got_offsets[symtab_hdr->sh_info
|
+ r_symndx];
|
+ r_symndx];
|
}
|
}
|
else
|
else
|
{
|
{
|
#endif
|
#endif
|
BFD_ASSERT (local_got_offsets != NULL
|
BFD_ASSERT (local_got_offsets != NULL
|
&& local_got_offsets[r_symndx] != (bfd_vma) -1);
|
&& local_got_offsets[r_symndx] != (bfd_vma) -1);
|
|
|
off = local_got_offsets[r_symndx];
|
off = local_got_offsets[r_symndx];
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
}
|
}
|
#endif
|
#endif
|
|
|
/* The offset must always be a multiple of 4. We use
|
/* The offset must always be a multiple of 4. We use
|
the least significant bit to record whether we have
|
the least significant bit to record whether we have
|
already generated the necessary reloc. */
|
already generated the necessary reloc. */
|
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, relocation, sgot->contents + off);
|
bfd_put_32 (output_bfd, relocation, sgot->contents + off);
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
if (srelgot == NULL)
|
if (srelgot == NULL)
|
{
|
{
|
srelgot = bfd_get_section_by_name (dynobj,
|
srelgot = bfd_get_section_by_name (dynobj,
|
".rela.got");
|
".rela.got");
|
BFD_ASSERT (srelgot != NULL);
|
BFD_ASSERT (srelgot != NULL);
|
}
|
}
|
|
|
outrel.r_offset = (sgot->output_section->vma
|
outrel.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ off);
|
+ off);
|
outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
outrel.r_addend = relocation;
|
outrel.r_addend = relocation;
|
loc = srelgot->contents;
|
loc = srelgot->contents;
|
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
}
|
}
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (rel->r_addend)
|
if (rel->r_addend)
|
local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
|
local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
|
else
|
else
|
#endif
|
#endif
|
local_got_offsets[r_symndx] |= 1;
|
local_got_offsets[r_symndx] |= 1;
|
}
|
}
|
|
|
relocation = sgot->output_offset + off;
|
relocation = sgot->output_offset + off;
|
}
|
}
|
|
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
relocation -= GOT_BIAS;
|
relocation -= GOT_BIAS;
|
#endif
|
#endif
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_GOTOFF:
|
case R_SH_GOTOFF:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOTOFF_LOW16:
|
case R_SH_GOTOFF_LOW16:
|
case R_SH_GOTOFF_MEDLOW16:
|
case R_SH_GOTOFF_MEDLOW16:
|
case R_SH_GOTOFF_MEDHI16:
|
case R_SH_GOTOFF_MEDHI16:
|
case R_SH_GOTOFF_HI16:
|
case R_SH_GOTOFF_HI16:
|
#endif
|
#endif
|
/* Relocation is relative to the start of the global offset
|
/* Relocation is relative to the start of the global offset
|
table. */
|
table. */
|
|
|
BFD_ASSERT (sgot != NULL);
|
BFD_ASSERT (sgot != NULL);
|
|
|
/* Note that sgot->output_offset is not involved in this
|
/* Note that sgot->output_offset is not involved in this
|
calculation. We always want the start of .got. If we
|
calculation. We always want the start of .got. If we
|
defined _GLOBAL_OFFSET_TABLE in a different way, as is
|
defined _GLOBAL_OFFSET_TABLE in a different way, as is
|
permitted by the ABI, we might have to change this
|
permitted by the ABI, we might have to change this
|
calculation. */
|
calculation. */
|
relocation -= sgot->output_section->vma;
|
relocation -= sgot->output_section->vma;
|
|
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
relocation -= GOT_BIAS;
|
relocation -= GOT_BIAS;
|
#endif
|
#endif
|
|
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_GOTPC:
|
case R_SH_GOTPC:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOTPC_LOW16:
|
case R_SH_GOTPC_LOW16:
|
case R_SH_GOTPC_MEDLOW16:
|
case R_SH_GOTPC_MEDLOW16:
|
case R_SH_GOTPC_MEDHI16:
|
case R_SH_GOTPC_MEDHI16:
|
case R_SH_GOTPC_HI16:
|
case R_SH_GOTPC_HI16:
|
#endif
|
#endif
|
/* Use global offset table as symbol value. */
|
/* Use global offset table as symbol value. */
|
|
|
BFD_ASSERT (sgot != NULL);
|
BFD_ASSERT (sgot != NULL);
|
relocation = sgot->output_section->vma;
|
relocation = sgot->output_section->vma;
|
|
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
relocation += GOT_BIAS;
|
relocation += GOT_BIAS;
|
#endif
|
#endif
|
|
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_PLT32:
|
case R_SH_PLT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_PLT_LOW16:
|
case R_SH_PLT_LOW16:
|
case R_SH_PLT_MEDLOW16:
|
case R_SH_PLT_MEDLOW16:
|
case R_SH_PLT_MEDHI16:
|
case R_SH_PLT_MEDHI16:
|
case R_SH_PLT_HI16:
|
case R_SH_PLT_HI16:
|
#endif
|
#endif
|
/* 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)
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
if (h->forced_local)
|
if (h->forced_local)
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
if (h->plt.offset == (bfd_vma) -1)
|
if (h->plt.offset == (bfd_vma) -1)
|
{
|
{
|
/* We didn't make a PLT entry for this symbol. This
|
/* We didn't make a PLT entry for this symbol. This
|
happens when statically linking PIC code, or when
|
happens when statically linking PIC code, or when
|
using -Bsymbolic. */
|
using -Bsymbolic. */
|
goto final_link_relocate;
|
goto final_link_relocate;
|
}
|
}
|
|
|
BFD_ASSERT (splt != NULL);
|
BFD_ASSERT (splt != NULL);
|
relocation = (splt->output_section->vma
|
relocation = (splt->output_section->vma
|
+ splt->output_offset
|
+ splt->output_offset
|
+ h->plt.offset);
|
+ h->plt.offset);
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
relocation++;
|
relocation++;
|
#endif
|
#endif
|
|
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_LOOP_START:
|
case R_SH_LOOP_START:
|
{
|
{
|
static bfd_vma start, end;
|
static bfd_vma start, end;
|
|
|
start = (relocation + rel->r_addend
|
start = (relocation + rel->r_addend
|
- (sec->output_section->vma + sec->output_offset));
|
- (sec->output_section->vma + sec->output_offset));
|
r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
|
r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
|
rel->r_offset, sec, start, end);
|
rel->r_offset, sec, start, end);
|
break;
|
break;
|
|
|
case R_SH_LOOP_END:
|
case R_SH_LOOP_END:
|
end = (relocation + rel->r_addend
|
end = (relocation + rel->r_addend
|
- (sec->output_section->vma + sec->output_offset));
|
- (sec->output_section->vma + sec->output_offset));
|
r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
|
r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
|
rel->r_offset, sec, start, end);
|
rel->r_offset, sec, start, end);
|
break;
|
break;
|
}
|
}
|
|
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_IE_32:
|
case R_SH_TLS_IE_32:
|
r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
|
r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
|
tls_type = GOT_UNKNOWN;
|
tls_type = GOT_UNKNOWN;
|
if (h == NULL && local_got_offsets)
|
if (h == NULL && local_got_offsets)
|
tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
|
tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
|
else if (h != NULL)
|
else if (h != NULL)
|
{
|
{
|
tls_type = sh_elf_hash_entry (h)->tls_type;
|
tls_type = sh_elf_hash_entry (h)->tls_type;
|
if (! info->shared
|
if (! info->shared
|
&& (h->dynindx == -1
|
&& (h->dynindx == -1
|
|| h->def_regular))
|
|| h->def_regular))
|
r_type = R_SH_TLS_LE_32;
|
r_type = R_SH_TLS_LE_32;
|
}
|
}
|
|
|
if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
|
if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
|
r_type = R_SH_TLS_IE_32;
|
r_type = R_SH_TLS_IE_32;
|
|
|
if (r_type == R_SH_TLS_LE_32)
|
if (r_type == R_SH_TLS_LE_32)
|
{
|
{
|
bfd_vma offset;
|
bfd_vma offset;
|
unsigned short insn;
|
unsigned short insn;
|
|
|
if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
|
if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
|
{
|
{
|
/* GD->LE transition:
|
/* GD->LE transition:
|
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
|
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
|
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
|
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
|
1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
|
1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
|
We change it into:
|
We change it into:
|
mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
|
mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
|
nop; nop; ...
|
nop; nop; ...
|
1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
|
1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
|
|
|
offset = rel->r_offset;
|
offset = rel->r_offset;
|
BFD_ASSERT (offset >= 16);
|
BFD_ASSERT (offset >= 16);
|
/* Size of GD instructions is 16 or 18. */
|
/* Size of GD instructions is 16 or 18. */
|
offset -= 16;
|
offset -= 16;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
if ((insn & 0xff00) == 0xc700)
|
if ((insn & 0xff00) == 0xc700)
|
{
|
{
|
BFD_ASSERT (offset >= 2);
|
BFD_ASSERT (offset >= 2);
|
offset -= 2;
|
offset -= 2;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
}
|
}
|
|
|
BFD_ASSERT ((insn & 0xff00) == 0xd400);
|
BFD_ASSERT ((insn & 0xff00) == 0xd400);
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
BFD_ASSERT ((insn & 0xff00) == 0xc700);
|
BFD_ASSERT ((insn & 0xff00) == 0xc700);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
BFD_ASSERT ((insn & 0xff00) == 0xd100);
|
BFD_ASSERT ((insn & 0xff00) == 0xd100);
|
insn = bfd_get_16 (input_bfd, contents + offset + 6);
|
insn = bfd_get_16 (input_bfd, contents + offset + 6);
|
BFD_ASSERT (insn == 0x310c);
|
BFD_ASSERT (insn == 0x310c);
|
insn = bfd_get_16 (input_bfd, contents + offset + 8);
|
insn = bfd_get_16 (input_bfd, contents + offset + 8);
|
BFD_ASSERT (insn == 0x410b);
|
BFD_ASSERT (insn == 0x410b);
|
insn = bfd_get_16 (input_bfd, contents + offset + 10);
|
insn = bfd_get_16 (input_bfd, contents + offset + 10);
|
BFD_ASSERT (insn == 0x34cc);
|
BFD_ASSERT (insn == 0x34cc);
|
|
|
bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
|
bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
|
bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
|
}
|
}
|
else
|
else
|
{
|
{
|
int index;
|
int index;
|
|
|
/* IE->LE transition:
|
/* IE->LE transition:
|
mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
|
mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
|
bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
|
bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
|
We change it into:
|
We change it into:
|
mov.l .Ln,rM; stc gbr,rN; nop; ...;
|
mov.l .Ln,rM; stc gbr,rN; nop; ...;
|
1: x@TPOFF; 2:. */
|
1: x@TPOFF; 2:. */
|
|
|
offset = rel->r_offset;
|
offset = rel->r_offset;
|
BFD_ASSERT (offset >= 16);
|
BFD_ASSERT (offset >= 16);
|
/* Size of IE instructions is 10 or 12. */
|
/* Size of IE instructions is 10 or 12. */
|
offset -= 10;
|
offset -= 10;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
if ((insn & 0xf0ff) == 0x0012)
|
if ((insn & 0xf0ff) == 0x0012)
|
{
|
{
|
BFD_ASSERT (offset >= 2);
|
BFD_ASSERT (offset >= 2);
|
offset -= 2;
|
offset -= 2;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
}
|
}
|
|
|
BFD_ASSERT ((insn & 0xff00) == 0xd000);
|
BFD_ASSERT ((insn & 0xff00) == 0xd000);
|
index = insn & 0x00ff;
|
index = insn & 0x00ff;
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
|
BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
|
BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
|
insn = 0xd000 | (insn & 0x0f00) | index;
|
insn = 0xd000 | (insn & 0x0f00) | index;
|
bfd_put_16 (output_bfd, insn, contents + offset + 0);
|
bfd_put_16 (output_bfd, insn, contents + offset + 0);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
|
}
|
}
|
|
|
bfd_put_32 (output_bfd, tpoff (info, relocation),
|
bfd_put_32 (output_bfd, tpoff (info, relocation),
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
continue;
|
continue;
|
}
|
}
|
|
|
sgot = htab->sgot;
|
sgot = htab->sgot;
|
if (sgot == NULL)
|
if (sgot == NULL)
|
abort ();
|
abort ();
|
|
|
if (h != NULL)
|
if (h != NULL)
|
off = h->got.offset;
|
off = h->got.offset;
|
else
|
else
|
{
|
{
|
if (local_got_offsets == NULL)
|
if (local_got_offsets == NULL)
|
abort ();
|
abort ();
|
|
|
off = local_got_offsets[r_symndx];
|
off = local_got_offsets[r_symndx];
|
}
|
}
|
|
|
/* Relocate R_SH_TLS_IE_32 directly when statically linking. */
|
/* Relocate R_SH_TLS_IE_32 directly when statically linking. */
|
if (r_type == R_SH_TLS_IE_32
|
if (r_type == R_SH_TLS_IE_32
|
&& ! htab->root.dynamic_sections_created)
|
&& ! htab->root.dynamic_sections_created)
|
{
|
{
|
off &= ~1;
|
off &= ~1;
|
bfd_put_32 (output_bfd, tpoff (info, relocation),
|
bfd_put_32 (output_bfd, tpoff (info, relocation),
|
sgot->contents + off);
|
sgot->contents + off);
|
bfd_put_32 (output_bfd, sgot->output_offset + off,
|
bfd_put_32 (output_bfd, sgot->output_offset + off,
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
continue;
|
continue;
|
}
|
}
|
|
|
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
int dr_type, indx;
|
int dr_type, indx;
|
|
|
if (srelgot == NULL)
|
if (srelgot == NULL)
|
{
|
{
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
BFD_ASSERT (srelgot != NULL);
|
BFD_ASSERT (srelgot != NULL);
|
}
|
}
|
|
|
outrel.r_offset = (sgot->output_section->vma
|
outrel.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset + off);
|
+ sgot->output_offset + off);
|
|
|
if (h == NULL || h->dynindx == -1)
|
if (h == NULL || h->dynindx == -1)
|
indx = 0;
|
indx = 0;
|
else
|
else
|
indx = h->dynindx;
|
indx = h->dynindx;
|
|
|
dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
|
dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
|
R_SH_TLS_TPOFF32);
|
R_SH_TLS_TPOFF32);
|
if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
|
if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
|
outrel.r_addend = relocation - dtpoff_base (info);
|
outrel.r_addend = relocation - dtpoff_base (info);
|
else
|
else
|
outrel.r_addend = 0;
|
outrel.r_addend = 0;
|
outrel.r_info = ELF32_R_INFO (indx, dr_type);
|
outrel.r_info = ELF32_R_INFO (indx, dr_type);
|
loc = srelgot->contents;
|
loc = srelgot->contents;
|
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
|
|
if (r_type == R_SH_TLS_GD_32)
|
if (r_type == R_SH_TLS_GD_32)
|
{
|
{
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
relocation - dtpoff_base (info),
|
relocation - dtpoff_base (info),
|
sgot->contents + off + 4);
|
sgot->contents + off + 4);
|
}
|
}
|
else
|
else
|
{
|
{
|
outrel.r_info = ELF32_R_INFO (indx,
|
outrel.r_info = ELF32_R_INFO (indx,
|
R_SH_TLS_DTPOFF32);
|
R_SH_TLS_DTPOFF32);
|
outrel.r_offset += 4;
|
outrel.r_offset += 4;
|
outrel.r_addend = 0;
|
outrel.r_addend = 0;
|
srelgot->reloc_count++;
|
srelgot->reloc_count++;
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
}
|
}
|
}
|
}
|
|
|
if (h != NULL)
|
if (h != NULL)
|
h->got.offset |= 1;
|
h->got.offset |= 1;
|
else
|
else
|
local_got_offsets[r_symndx] |= 1;
|
local_got_offsets[r_symndx] |= 1;
|
}
|
}
|
|
|
if (off >= (bfd_vma) -2)
|
if (off >= (bfd_vma) -2)
|
abort ();
|
abort ();
|
|
|
if (r_type == (int) ELF32_R_TYPE (rel->r_info))
|
if (r_type == (int) ELF32_R_TYPE (rel->r_info))
|
relocation = sgot->output_offset + off;
|
relocation = sgot->output_offset + off;
|
else
|
else
|
{
|
{
|
bfd_vma offset;
|
bfd_vma offset;
|
unsigned short insn;
|
unsigned short insn;
|
|
|
/* GD->IE transition:
|
/* GD->IE transition:
|
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
|
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
|
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
|
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
|
1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
|
1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
|
We change it into:
|
We change it into:
|
mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
|
mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
|
nop; nop; bra 3f; nop; .align 2;
|
nop; nop; bra 3f; nop; .align 2;
|
1: .long x@TPOFF; 2:...; 3:. */
|
1: .long x@TPOFF; 2:...; 3:. */
|
|
|
offset = rel->r_offset;
|
offset = rel->r_offset;
|
BFD_ASSERT (offset >= 16);
|
BFD_ASSERT (offset >= 16);
|
/* Size of GD instructions is 16 or 18. */
|
/* Size of GD instructions is 16 or 18. */
|
offset -= 16;
|
offset -= 16;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
if ((insn & 0xff00) == 0xc700)
|
if ((insn & 0xff00) == 0xc700)
|
{
|
{
|
BFD_ASSERT (offset >= 2);
|
BFD_ASSERT (offset >= 2);
|
offset -= 2;
|
offset -= 2;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
}
|
}
|
|
|
BFD_ASSERT ((insn & 0xff00) == 0xd400);
|
BFD_ASSERT ((insn & 0xff00) == 0xd400);
|
|
|
/* Replace mov.l 1f,R4 with mov.l 1f,r0. */
|
/* Replace mov.l 1f,R4 with mov.l 1f,r0. */
|
bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
|
bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
|
|
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
BFD_ASSERT ((insn & 0xff00) == 0xc700);
|
BFD_ASSERT ((insn & 0xff00) == 0xc700);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
BFD_ASSERT ((insn & 0xff00) == 0xd100);
|
BFD_ASSERT ((insn & 0xff00) == 0xd100);
|
insn = bfd_get_16 (input_bfd, contents + offset + 6);
|
insn = bfd_get_16 (input_bfd, contents + offset + 6);
|
BFD_ASSERT (insn == 0x310c);
|
BFD_ASSERT (insn == 0x310c);
|
insn = bfd_get_16 (input_bfd, contents + offset + 8);
|
insn = bfd_get_16 (input_bfd, contents + offset + 8);
|
BFD_ASSERT (insn == 0x410b);
|
BFD_ASSERT (insn == 0x410b);
|
insn = bfd_get_16 (input_bfd, contents + offset + 10);
|
insn = bfd_get_16 (input_bfd, contents + offset + 10);
|
BFD_ASSERT (insn == 0x34cc);
|
BFD_ASSERT (insn == 0x34cc);
|
|
|
bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
|
bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
|
bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
|
bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
|
|
|
bfd_put_32 (output_bfd, sgot->output_offset + off,
|
bfd_put_32 (output_bfd, sgot->output_offset + off,
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_TLS_LD_32:
|
case R_SH_TLS_LD_32:
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
bfd_vma offset;
|
bfd_vma offset;
|
unsigned short insn;
|
unsigned short insn;
|
|
|
/* LD->LE transition:
|
/* LD->LE transition:
|
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
|
mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
|
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
|
jsr @r1; add r12,r4; bra 3f; nop; .align 2;
|
1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
|
1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
|
We change it into:
|
We change it into:
|
stc gbr,r0; nop; nop; nop;
|
stc gbr,r0; nop; nop; nop;
|
nop; nop; bra 3f; ...; 3:. */
|
nop; nop; bra 3f; ...; 3:. */
|
|
|
offset = rel->r_offset;
|
offset = rel->r_offset;
|
BFD_ASSERT (offset >= 16);
|
BFD_ASSERT (offset >= 16);
|
/* Size of LD instructions is 16 or 18. */
|
/* Size of LD instructions is 16 or 18. */
|
offset -= 16;
|
offset -= 16;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
if ((insn & 0xff00) == 0xc700)
|
if ((insn & 0xff00) == 0xc700)
|
{
|
{
|
BFD_ASSERT (offset >= 2);
|
BFD_ASSERT (offset >= 2);
|
offset -= 2;
|
offset -= 2;
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
insn = bfd_get_16 (input_bfd, contents + offset + 0);
|
}
|
}
|
|
|
BFD_ASSERT ((insn & 0xff00) == 0xd400);
|
BFD_ASSERT ((insn & 0xff00) == 0xd400);
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
insn = bfd_get_16 (input_bfd, contents + offset + 2);
|
BFD_ASSERT ((insn & 0xff00) == 0xc700);
|
BFD_ASSERT ((insn & 0xff00) == 0xc700);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
insn = bfd_get_16 (input_bfd, contents + offset + 4);
|
BFD_ASSERT ((insn & 0xff00) == 0xd100);
|
BFD_ASSERT ((insn & 0xff00) == 0xd100);
|
insn = bfd_get_16 (input_bfd, contents + offset + 6);
|
insn = bfd_get_16 (input_bfd, contents + offset + 6);
|
BFD_ASSERT (insn == 0x310c);
|
BFD_ASSERT (insn == 0x310c);
|
insn = bfd_get_16 (input_bfd, contents + offset + 8);
|
insn = bfd_get_16 (input_bfd, contents + offset + 8);
|
BFD_ASSERT (insn == 0x410b);
|
BFD_ASSERT (insn == 0x410b);
|
insn = bfd_get_16 (input_bfd, contents + offset + 10);
|
insn = bfd_get_16 (input_bfd, contents + offset + 10);
|
BFD_ASSERT (insn == 0x34cc);
|
BFD_ASSERT (insn == 0x34cc);
|
|
|
bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
|
bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
|
bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
sgot = htab->sgot;
|
sgot = htab->sgot;
|
if (sgot == NULL)
|
if (sgot == NULL)
|
abort ();
|
abort ();
|
|
|
off = htab->tls_ldm_got.offset;
|
off = htab->tls_ldm_got.offset;
|
if (off & 1)
|
if (off & 1)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
srelgot = htab->srelgot;
|
srelgot = htab->srelgot;
|
if (srelgot == NULL)
|
if (srelgot == NULL)
|
abort ();
|
abort ();
|
|
|
outrel.r_offset = (sgot->output_section->vma
|
outrel.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset + off);
|
+ sgot->output_offset + off);
|
outrel.r_addend = 0;
|
outrel.r_addend = 0;
|
outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
|
outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
|
loc = srelgot->contents;
|
loc = srelgot->contents;
|
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
htab->tls_ldm_got.offset |= 1;
|
htab->tls_ldm_got.offset |= 1;
|
}
|
}
|
|
|
relocation = sgot->output_offset + off;
|
relocation = sgot->output_offset + off;
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
|
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_TLS_LDO_32:
|
case R_SH_TLS_LDO_32:
|
if (! info->shared)
|
if (! info->shared)
|
relocation = tpoff (info, relocation);
|
relocation = tpoff (info, relocation);
|
else
|
else
|
relocation -= dtpoff_base (info);
|
relocation -= dtpoff_base (info);
|
|
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
goto final_link_relocate;
|
goto final_link_relocate;
|
|
|
case R_SH_TLS_LE_32:
|
case R_SH_TLS_LE_32:
|
{
|
{
|
int indx;
|
int indx;
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
relocation = tpoff (info, relocation);
|
relocation = tpoff (info, relocation);
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
goto final_link_relocate;
|
goto final_link_relocate;
|
}
|
}
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (h == NULL || h->dynindx == -1)
|
if (h == NULL || h->dynindx == -1)
|
indx = 0;
|
indx = 0;
|
else
|
else
|
indx = h->dynindx;
|
indx = h->dynindx;
|
|
|
outrel.r_offset = (input_section->output_section->vma
|
outrel.r_offset = (input_section->output_section->vma
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ rel->r_offset);
|
+ rel->r_offset);
|
outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
|
outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
|
if (indx == 0)
|
if (indx == 0)
|
outrel.r_addend = relocation - dtpoff_base (info);
|
outrel.r_addend = relocation - dtpoff_base (info);
|
else
|
else
|
outrel.r_addend = 0;
|
outrel.r_addend = 0;
|
|
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
|
|
relocation_done:
|
relocation_done:
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
{
|
{
|
switch (r)
|
switch (r)
|
{
|
{
|
default:
|
default:
|
case bfd_reloc_outofrange:
|
case bfd_reloc_outofrange:
|
abort ();
|
abort ();
|
case bfd_reloc_overflow:
|
case bfd_reloc_overflow:
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
name = NULL;
|
name = NULL;
|
else
|
else
|
{
|
{
|
name = (bfd_elf_string_from_elf_section
|
name = (bfd_elf_string_from_elf_section
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
if (name == NULL)
|
if (name == NULL)
|
return FALSE;
|
return FALSE;
|
if (*name == '\0')
|
if (*name == '\0')
|
name = bfd_section_name (input_bfd, sec);
|
name = bfd_section_name (input_bfd, sec);
|
}
|
}
|
if (! ((*info->callbacks->reloc_overflow)
|
if (! ((*info->callbacks->reloc_overflow)
|
(info, (h ? &h->root : NULL), name, howto->name,
|
(info, (h ? &h->root : NULL), name, howto->name,
|
(bfd_vma) 0, input_bfd, input_section,
|
(bfd_vma) 0, input_bfd, input_section,
|
rel->r_offset)))
|
rel->r_offset)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
which uses sh_elf_relocate_section. */
|
which uses sh_elf_relocate_section. */
|
|
|
static bfd_byte *
|
static bfd_byte *
|
sh_elf_get_relocated_section_contents (bfd *output_bfd,
|
sh_elf_get_relocated_section_contents (bfd *output_bfd,
|
struct bfd_link_info *link_info,
|
struct bfd_link_info *link_info,
|
struct bfd_link_order *link_order,
|
struct bfd_link_order *link_order,
|
bfd_byte *data,
|
bfd_byte *data,
|
bfd_boolean relocatable,
|
bfd_boolean relocatable,
|
asymbol **symbols)
|
asymbol **symbols)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
asection *input_section = link_order->u.indirect.section;
|
asection *input_section = link_order->u.indirect.section;
|
bfd *input_bfd = input_section->owner;
|
bfd *input_bfd = input_section->owner;
|
asection **sections = NULL;
|
asection **sections = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
|
|
/* We only need to handle the case of relaxing, or of having a
|
/* We only need to handle the case of relaxing, or of having a
|
particular set of section contents, specially. */
|
particular set of section contents, specially. */
|
if (relocatable
|
if (relocatable
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
link_order, data,
|
link_order, data,
|
relocatable,
|
relocatable,
|
symbols);
|
symbols);
|
|
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
|
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
(size_t) input_section->size);
|
(size_t) input_section->size);
|
|
|
if ((input_section->flags & SEC_RELOC) != 0
|
if ((input_section->flags & SEC_RELOC) != 0
|
&& input_section->reloc_count > 0)
|
&& input_section->reloc_count > 0)
|
{
|
{
|
asection **secpp;
|
asection **secpp;
|
Elf_Internal_Sym *isym, *isymend;
|
Elf_Internal_Sym *isym, *isymend;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
internal_relocs = (_bfd_elf_link_read_relocs
|
internal_relocs = (_bfd_elf_link_read_relocs
|
(input_bfd, input_section, NULL,
|
(input_bfd, input_section, NULL,
|
(Elf_Internal_Rela *) NULL, FALSE));
|
(Elf_Internal_Rela *) NULL, FALSE));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
if (symtab_hdr->sh_info != 0)
|
if (symtab_hdr->sh_info != 0)
|
{
|
{
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
|
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
|
symtab_hdr->sh_info, 0,
|
symtab_hdr->sh_info, 0,
|
NULL, NULL, NULL);
|
NULL, NULL, NULL);
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
amt = symtab_hdr->sh_info;
|
amt = symtab_hdr->sh_info;
|
amt *= sizeof (asection *);
|
amt *= sizeof (asection *);
|
sections = (asection **) bfd_malloc (amt);
|
sections = (asection **) bfd_malloc (amt);
|
if (sections == NULL && amt != 0)
|
if (sections == NULL && amt != 0)
|
goto error_return;
|
goto error_return;
|
|
|
isymend = isymbuf + symtab_hdr->sh_info;
|
isymend = isymbuf + symtab_hdr->sh_info;
|
for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
|
for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
|
{
|
{
|
asection *isec;
|
asection *isec;
|
|
|
if (isym->st_shndx == SHN_UNDEF)
|
if (isym->st_shndx == SHN_UNDEF)
|
isec = bfd_und_section_ptr;
|
isec = bfd_und_section_ptr;
|
else if (isym->st_shndx == SHN_ABS)
|
else if (isym->st_shndx == SHN_ABS)
|
isec = bfd_abs_section_ptr;
|
isec = bfd_abs_section_ptr;
|
else if (isym->st_shndx == SHN_COMMON)
|
else if (isym->st_shndx == SHN_COMMON)
|
isec = bfd_com_section_ptr;
|
isec = bfd_com_section_ptr;
|
else
|
else
|
isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
|
isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
|
|
|
*secpp = isec;
|
*secpp = isec;
|
}
|
}
|
|
|
if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
|
if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
|
input_section, data, internal_relocs,
|
input_section, data, internal_relocs,
|
isymbuf, sections))
|
isymbuf, sections))
|
goto error_return;
|
goto error_return;
|
|
|
if (sections != NULL)
|
if (sections != NULL)
|
free (sections);
|
free (sections);
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
free (isymbuf);
|
free (isymbuf);
|
if (elf_section_data (input_section)->relocs != internal_relocs)
|
if (elf_section_data (input_section)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
}
|
}
|
|
|
return data;
|
return data;
|
|
|
error_return:
|
error_return:
|
if (sections != NULL)
|
if (sections != NULL)
|
free (sections);
|
free (sections);
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
free (isymbuf);
|
free (isymbuf);
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (input_section)->relocs != internal_relocs)
|
&& elf_section_data (input_section)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Return the base VMA address which should be subtracted from real addresses
|
/* Return the base VMA address which should be subtracted from real addresses
|
when resolving @dtpoff relocation.
|
when resolving @dtpoff relocation.
|
This is PT_TLS segment p_vaddr. */
|
This is PT_TLS segment p_vaddr. */
|
|
|
static bfd_vma
|
static bfd_vma
|
dtpoff_base (struct bfd_link_info *info)
|
dtpoff_base (struct bfd_link_info *info)
|
{
|
{
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
if (elf_hash_table (info)->tls_sec == NULL)
|
if (elf_hash_table (info)->tls_sec == NULL)
|
return 0;
|
return 0;
|
return elf_hash_table (info)->tls_sec->vma;
|
return elf_hash_table (info)->tls_sec->vma;
|
}
|
}
|
|
|
/* Return the relocation value for R_SH_TLS_TPOFF32.. */
|
/* Return the relocation value for R_SH_TLS_TPOFF32.. */
|
|
|
static bfd_vma
|
static bfd_vma
|
tpoff (struct bfd_link_info *info, bfd_vma address)
|
tpoff (struct bfd_link_info *info, bfd_vma address)
|
{
|
{
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
if (elf_hash_table (info)->tls_sec == NULL)
|
if (elf_hash_table (info)->tls_sec == NULL)
|
return 0;
|
return 0;
|
/* SH TLS ABI is variant I and static TLS block start just after tcbhead
|
/* SH TLS ABI is variant I and static TLS block start just after tcbhead
|
structure which has 2 pointer fields. */
|
structure which has 2 pointer fields. */
|
return (address - elf_hash_table (info)->tls_sec->vma
|
return (address - elf_hash_table (info)->tls_sec->vma
|
+ align_power ((bfd_vma) 8,
|
+ align_power ((bfd_vma) 8,
|
elf_hash_table (info)->tls_sec->alignment_power));
|
elf_hash_table (info)->tls_sec->alignment_power));
|
}
|
}
|
|
|
static asection *
|
static asection *
|
sh_elf_gc_mark_hook (asection *sec,
|
sh_elf_gc_mark_hook (asection *sec,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
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)
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
switch (ELF32_R_TYPE (rel->r_info))
|
switch (ELF32_R_TYPE (rel->r_info))
|
{
|
{
|
case R_SH_GNU_VTINHERIT:
|
case R_SH_GNU_VTINHERIT:
|
case R_SH_GNU_VTENTRY:
|
case R_SH_GNU_VTENTRY:
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
}
|
}
|
|
|
/* Update the got entry reference counts for the section being removed. */
|
/* Update the got entry reference counts for the section being removed. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
|
sh_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)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
bfd_signed_vma *local_got_refcounts;
|
bfd_signed_vma *local_got_refcounts;
|
const Elf_Internal_Rela *rel, *relend;
|
const Elf_Internal_Rela *rel, *relend;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
elf_section_data (sec)->local_dynrel = NULL;
|
elf_section_data (sec)->local_dynrel = NULL;
|
|
|
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_refcounts = elf_local_got_refcounts (abfd);
|
local_got_refcounts = elf_local_got_refcounts (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;
|
unsigned int r_type;
|
unsigned int r_type;
|
struct elf_link_hash_entry *h = NULL;
|
struct elf_link_hash_entry *h = NULL;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
int seen_stt_datalabel = 0;
|
int seen_stt_datalabel = 0;
|
#endif
|
#endif
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
{
|
{
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_dyn_relocs **pp;
|
struct elf_sh_dyn_relocs **pp;
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_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)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
#endif
|
#endif
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
eh = (struct elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_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;
|
}
|
}
|
}
|
}
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
|
switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
|
{
|
{
|
case R_SH_TLS_LD_32:
|
case R_SH_TLS_LD_32:
|
if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
|
if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
|
sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
|
sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
|
break;
|
break;
|
|
|
case R_SH_GOT32:
|
case R_SH_GOT32:
|
case R_SH_GOTOFF:
|
case R_SH_GOTOFF:
|
case R_SH_GOTPC:
|
case R_SH_GOTPC:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY8:
|
case R_SH_GOT10BY8:
|
case R_SH_GOTOFF_LOW16:
|
case R_SH_GOTOFF_LOW16:
|
case R_SH_GOTOFF_MEDLOW16:
|
case R_SH_GOTOFF_MEDLOW16:
|
case R_SH_GOTOFF_MEDHI16:
|
case R_SH_GOTOFF_MEDHI16:
|
case R_SH_GOTOFF_HI16:
|
case R_SH_GOTOFF_HI16:
|
case R_SH_GOTPC_LOW16:
|
case R_SH_GOTPC_LOW16:
|
case R_SH_GOTPC_MEDLOW16:
|
case R_SH_GOTPC_MEDLOW16:
|
case R_SH_GOTPC_MEDHI16:
|
case R_SH_GOTPC_MEDHI16:
|
case R_SH_GOTPC_HI16:
|
case R_SH_GOTPC_HI16:
|
#endif
|
#endif
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_IE_32:
|
case R_SH_TLS_IE_32:
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (seen_stt_datalabel)
|
if (seen_stt_datalabel)
|
{
|
{
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
eh = (struct elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_link_hash_entry *) h;
|
if (eh->datalabel_got.refcount > 0)
|
if (eh->datalabel_got.refcount > 0)
|
eh->datalabel_got.refcount -= 1;
|
eh->datalabel_got.refcount -= 1;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
if (h->got.refcount > 0)
|
if (h->got.refcount > 0)
|
h->got.refcount -= 1;
|
h->got.refcount -= 1;
|
}
|
}
|
else if (local_got_refcounts != NULL)
|
else if (local_got_refcounts != NULL)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (rel->r_addend & 1)
|
if (rel->r_addend & 1)
|
{
|
{
|
if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
|
if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
|
local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
|
local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
if (local_got_refcounts[r_symndx] > 0)
|
if (local_got_refcounts[r_symndx] > 0)
|
local_got_refcounts[r_symndx] -= 1;
|
local_got_refcounts[r_symndx] -= 1;
|
}
|
}
|
break;
|
break;
|
|
|
case R_SH_DIR32:
|
case R_SH_DIR32:
|
case R_SH_REL32:
|
case R_SH_REL32:
|
if (info->shared)
|
if (info->shared)
|
break;
|
break;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_SH_PLT32:
|
case R_SH_PLT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_PLT_LOW16:
|
case R_SH_PLT_LOW16:
|
case R_SH_PLT_MEDLOW16:
|
case R_SH_PLT_MEDLOW16:
|
case R_SH_PLT_MEDHI16:
|
case R_SH_PLT_MEDHI16:
|
case R_SH_PLT_HI16:
|
case R_SH_PLT_HI16:
|
#endif
|
#endif
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
if (h->plt.refcount > 0)
|
if (h->plt.refcount > 0)
|
h->plt.refcount -= 1;
|
h->plt.refcount -= 1;
|
}
|
}
|
break;
|
break;
|
|
|
case R_SH_GOTPLT32:
|
case R_SH_GOTPLT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY8:
|
case R_SH_GOTPLT10BY8:
|
#endif
|
#endif
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
eh = (struct elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_link_hash_entry *) h;
|
if (eh->gotplt_refcount > 0)
|
if (eh->gotplt_refcount > 0)
|
{
|
{
|
eh->gotplt_refcount -= 1;
|
eh->gotplt_refcount -= 1;
|
if (h->plt.refcount > 0)
|
if (h->plt.refcount > 0)
|
h->plt.refcount -= 1;
|
h->plt.refcount -= 1;
|
}
|
}
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
else if (seen_stt_datalabel)
|
else if (seen_stt_datalabel)
|
{
|
{
|
if (eh->datalabel_got.refcount > 0)
|
if (eh->datalabel_got.refcount > 0)
|
eh->datalabel_got.refcount -= 1;
|
eh->datalabel_got.refcount -= 1;
|
}
|
}
|
#endif
|
#endif
|
else if (h->got.refcount > 0)
|
else if (h->got.refcount > 0)
|
h->got.refcount -= 1;
|
h->got.refcount -= 1;
|
}
|
}
|
else if (local_got_refcounts != NULL)
|
else if (local_got_refcounts != NULL)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (rel->r_addend & 1)
|
if (rel->r_addend & 1)
|
{
|
{
|
if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
|
if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
|
local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
|
local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
if (local_got_refcounts[r_symndx] > 0)
|
if (local_got_refcounts[r_symndx] > 0)
|
local_got_refcounts[r_symndx] -= 1;
|
local_got_refcounts[r_symndx] -= 1;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* 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
|
sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
sh_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 elf_sh_link_hash_entry *edir, *eind;
|
struct elf_sh_link_hash_entry *edir, *eind;
|
|
|
edir = (struct elf_sh_link_hash_entry *) dir;
|
edir = (struct elf_sh_link_hash_entry *) dir;
|
eind = (struct elf_sh_link_hash_entry *) ind;
|
eind = (struct elf_sh_link_hash_entry *) ind;
|
|
|
if (eind->dyn_relocs != NULL)
|
if (eind->dyn_relocs != NULL)
|
{
|
{
|
if (edir->dyn_relocs != NULL)
|
if (edir->dyn_relocs != NULL)
|
{
|
{
|
struct elf_sh_dyn_relocs **pp;
|
struct elf_sh_dyn_relocs **pp;
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_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 elf_sh_dyn_relocs *q;
|
struct elf_sh_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->gotplt_refcount = eind->gotplt_refcount;
|
edir->gotplt_refcount = eind->gotplt_refcount;
|
eind->gotplt_refcount = 0;
|
eind->gotplt_refcount = 0;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
edir->datalabel_got.refcount += eind->datalabel_got.refcount;
|
edir->datalabel_got.refcount += eind->datalabel_got.refcount;
|
eind->datalabel_got.refcount = 0;
|
eind->datalabel_got.refcount = 0;
|
#endif
|
#endif
|
|
|
if (ind->root.type == bfd_link_hash_indirect
|
if (ind->root.type == bfd_link_hash_indirect
|
&& dir->got.refcount <= 0)
|
&& dir->got.refcount <= 0)
|
{
|
{
|
edir->tls_type = eind->tls_type;
|
edir->tls_type = eind->tls_type;
|
eind->tls_type = GOT_UNKNOWN;
|
eind->tls_type = GOT_UNKNOWN;
|
}
|
}
|
|
|
if (ind->root.type != bfd_link_hash_indirect
|
if (ind->root.type != bfd_link_hash_indirect
|
&& dir->dynamic_adjusted)
|
&& dir->dynamic_adjusted)
|
{
|
{
|
/* 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. */
|
dir->ref_dynamic |= ind->ref_dynamic;
|
dir->ref_dynamic |= ind->ref_dynamic;
|
dir->ref_regular |= ind->ref_regular;
|
dir->ref_regular |= ind->ref_regular;
|
dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
|
dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
|
dir->needs_plt |= ind->needs_plt;
|
dir->needs_plt |= ind->needs_plt;
|
}
|
}
|
else
|
else
|
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
|
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
|
}
|
}
|
|
|
static int
|
static int
|
sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
|
sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
|
int is_local)
|
int is_local)
|
{
|
{
|
if (info->shared)
|
if (info->shared)
|
return r_type;
|
return r_type;
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_IE_32:
|
case R_SH_TLS_IE_32:
|
if (is_local)
|
if (is_local)
|
return R_SH_TLS_LE_32;
|
return R_SH_TLS_LE_32;
|
return R_SH_TLS_IE_32;
|
return R_SH_TLS_IE_32;
|
case R_SH_TLS_LD_32:
|
case R_SH_TLS_LD_32:
|
return R_SH_TLS_LE_32;
|
return R_SH_TLS_LE_32;
|
}
|
}
|
|
|
return r_type;
|
return r_type;
|
}
|
}
|
|
|
/* Look through the relocs for a section during the first phase.
|
/* Look through the relocs for a section during the first phase.
|
Since we don't do .gots or .plts, we just need to consider the
|
Since we don't do .gots or .plts, we just need to consider the
|
virtual table relocs for gc. */
|
virtual table relocs for gc. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
|
sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
|
const Elf_Internal_Rela *relocs)
|
const Elf_Internal_Rela *relocs)
|
{
|
{
|
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 elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel_end;
|
const Elf_Internal_Rela *rel_end;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
asection *sgot;
|
asection *sgot;
|
asection *srelgot;
|
asection *srelgot;
|
asection *sreloc;
|
asection *sreloc;
|
unsigned int r_type;
|
unsigned int r_type;
|
int tls_type, old_tls_type;
|
int tls_type, old_tls_type;
|
|
|
sgot = NULL;
|
sgot = NULL;
|
srelgot = NULL;
|
srelgot = NULL;
|
sreloc = NULL;
|
sreloc = NULL;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
BFD_ASSERT (is_sh_elf (abfd));
|
BFD_ASSERT (is_sh_elf (abfd));
|
|
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
local_got_offsets = elf_local_got_offsets (abfd);
|
local_got_offsets = elf_local_got_offsets (abfd);
|
|
|
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++)
|
{
|
{
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
int seen_stt_datalabel = 0;
|
int seen_stt_datalabel = 0;
|
#endif
|
#endif
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (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)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
#endif
|
#endif
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
}
|
}
|
|
|
r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
|
r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
|
if (! info->shared
|
if (! info->shared
|
&& r_type == R_SH_TLS_IE_32
|
&& r_type == R_SH_TLS_IE_32
|
&& h != NULL
|
&& h != NULL
|
&& h->root.type != bfd_link_hash_undefined
|
&& h->root.type != bfd_link_hash_undefined
|
&& h->root.type != bfd_link_hash_undefweak
|
&& h->root.type != bfd_link_hash_undefweak
|
&& (h->dynindx == -1
|
&& (h->dynindx == -1
|
|| h->def_regular))
|
|| h->def_regular))
|
r_type = R_SH_TLS_LE_32;
|
r_type = R_SH_TLS_LE_32;
|
|
|
/* Some relocs require a global offset table. */
|
/* Some relocs require a global offset table. */
|
if (htab->sgot == NULL)
|
if (htab->sgot == NULL)
|
{
|
{
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_SH_GOTPLT32:
|
case R_SH_GOTPLT32:
|
case R_SH_GOT32:
|
case R_SH_GOT32:
|
case R_SH_GOTOFF:
|
case R_SH_GOTOFF:
|
case R_SH_GOTPC:
|
case R_SH_GOTPC:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY8:
|
case R_SH_GOTPLT10BY8:
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY8:
|
case R_SH_GOT10BY8:
|
case R_SH_GOTOFF_LOW16:
|
case R_SH_GOTOFF_LOW16:
|
case R_SH_GOTOFF_MEDLOW16:
|
case R_SH_GOTOFF_MEDLOW16:
|
case R_SH_GOTOFF_MEDHI16:
|
case R_SH_GOTOFF_MEDHI16:
|
case R_SH_GOTOFF_HI16:
|
case R_SH_GOTOFF_HI16:
|
case R_SH_GOTPC_LOW16:
|
case R_SH_GOTPC_LOW16:
|
case R_SH_GOTPC_MEDLOW16:
|
case R_SH_GOTPC_MEDLOW16:
|
case R_SH_GOTPC_MEDHI16:
|
case R_SH_GOTPC_MEDHI16:
|
case R_SH_GOTPC_HI16:
|
case R_SH_GOTPC_HI16:
|
#endif
|
#endif
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_LD_32:
|
case R_SH_TLS_LD_32:
|
case R_SH_TLS_IE_32:
|
case R_SH_TLS_IE_32:
|
if (htab->sgot == NULL)
|
if (htab->sgot == NULL)
|
{
|
{
|
if (htab->root.dynobj == NULL)
|
if (htab->root.dynobj == NULL)
|
htab->root.dynobj = abfd;
|
htab->root.dynobj = abfd;
|
if (!create_got_section (htab->root.dynobj, info))
|
if (!create_got_section (htab->root.dynobj, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
/* 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_SH_GNU_VTINHERIT:
|
case R_SH_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_SH_GNU_VTENTRY:
|
case R_SH_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_SH_TLS_IE_32:
|
case R_SH_TLS_IE_32:
|
if (info->shared)
|
if (info->shared)
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
|
|
/* FALLTHROUGH */
|
/* FALLTHROUGH */
|
force_got:
|
force_got:
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_GD_32:
|
case R_SH_GOT32:
|
case R_SH_GOT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_LOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDLOW16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_MEDHI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT_HI16:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY4:
|
case R_SH_GOT10BY8:
|
case R_SH_GOT10BY8:
|
#endif
|
#endif
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
tls_type = GOT_NORMAL;
|
tls_type = GOT_NORMAL;
|
break;
|
break;
|
case R_SH_TLS_GD_32:
|
case R_SH_TLS_GD_32:
|
tls_type = GOT_TLS_GD;
|
tls_type = GOT_TLS_GD;
|
break;
|
break;
|
case R_SH_TLS_IE_32:
|
case R_SH_TLS_IE_32:
|
tls_type = GOT_TLS_IE;
|
tls_type = GOT_TLS_IE;
|
break;
|
break;
|
}
|
}
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (seen_stt_datalabel)
|
if (seen_stt_datalabel)
|
{
|
{
|
struct elf_sh_link_hash_entry *eh
|
struct elf_sh_link_hash_entry *eh
|
= (struct elf_sh_link_hash_entry *) h;
|
= (struct elf_sh_link_hash_entry *) h;
|
|
|
eh->datalabel_got.refcount += 1;
|
eh->datalabel_got.refcount += 1;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
h->got.refcount += 1;
|
h->got.refcount += 1;
|
old_tls_type = sh_elf_hash_entry (h)->tls_type;
|
old_tls_type = sh_elf_hash_entry (h)->tls_type;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_signed_vma *local_got_refcounts;
|
bfd_signed_vma *local_got_refcounts;
|
|
|
/* This is a global offset table entry for a local
|
/* This is a global offset table entry for a local
|
symbol. */
|
symbol. */
|
local_got_refcounts = elf_local_got_refcounts (abfd);
|
local_got_refcounts = elf_local_got_refcounts (abfd);
|
if (local_got_refcounts == NULL)
|
if (local_got_refcounts == NULL)
|
{
|
{
|
bfd_size_type size;
|
bfd_size_type size;
|
|
|
size = symtab_hdr->sh_info;
|
size = symtab_hdr->sh_info;
|
size *= sizeof (bfd_signed_vma);
|
size *= sizeof (bfd_signed_vma);
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
/* Reserve space for both the datalabel and
|
/* Reserve space for both the datalabel and
|
codelabel local GOT offsets. */
|
codelabel local GOT offsets. */
|
size *= 2;
|
size *= 2;
|
#endif
|
#endif
|
size += symtab_hdr->sh_info;
|
size += symtab_hdr->sh_info;
|
local_got_refcounts = ((bfd_signed_vma *)
|
local_got_refcounts = ((bfd_signed_vma *)
|
bfd_zalloc (abfd, size));
|
bfd_zalloc (abfd, size));
|
if (local_got_refcounts == NULL)
|
if (local_got_refcounts == NULL)
|
return FALSE;
|
return FALSE;
|
elf_local_got_refcounts (abfd) = local_got_refcounts;
|
elf_local_got_refcounts (abfd) = local_got_refcounts;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
/* Take care of both the datalabel and codelabel local
|
/* Take care of both the datalabel and codelabel local
|
GOT offsets. */
|
GOT offsets. */
|
sh_elf_local_got_tls_type (abfd)
|
sh_elf_local_got_tls_type (abfd)
|
= (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
|
= (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
|
#else
|
#else
|
sh_elf_local_got_tls_type (abfd)
|
sh_elf_local_got_tls_type (abfd)
|
= (char *) (local_got_refcounts + symtab_hdr->sh_info);
|
= (char *) (local_got_refcounts + symtab_hdr->sh_info);
|
#endif
|
#endif
|
}
|
}
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
if (rel->r_addend & 1)
|
if (rel->r_addend & 1)
|
local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
|
local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
|
else
|
else
|
#endif
|
#endif
|
local_got_refcounts[r_symndx] += 1;
|
local_got_refcounts[r_symndx] += 1;
|
old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
|
old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
|
}
|
}
|
|
|
/* If a TLS symbol is accessed using IE at least once,
|
/* If a TLS symbol is accessed using IE at least once,
|
there is no point to use dynamic model for it. */
|
there is no point to use dynamic model for it. */
|
if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
|
if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
|
&& (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
|
&& (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
|
{
|
{
|
if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
|
if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
|
tls_type = GOT_TLS_IE;
|
tls_type = GOT_TLS_IE;
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: `%s' accessed both as normal and thread local symbol"),
|
(_("%B: `%s' accessed both as normal and thread local symbol"),
|
abfd, h->root.root.string);
|
abfd, h->root.root.string);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (old_tls_type != tls_type)
|
if (old_tls_type != tls_type)
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
sh_elf_hash_entry (h)->tls_type = tls_type;
|
sh_elf_hash_entry (h)->tls_type = tls_type;
|
else
|
else
|
sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
|
sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case R_SH_TLS_LD_32:
|
case R_SH_TLS_LD_32:
|
sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
|
sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
|
break;
|
break;
|
|
|
case R_SH_GOTPLT32:
|
case R_SH_GOTPLT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_LOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDLOW16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_MEDHI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT_HI16:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY4:
|
case R_SH_GOTPLT10BY8:
|
case R_SH_GOTPLT10BY8:
|
#endif
|
#endif
|
/* If this is a local symbol, we resolve it directly without
|
/* If this is a local symbol, we resolve it directly without
|
creating a procedure linkage table entry. */
|
creating a procedure linkage table entry. */
|
|
|
if (h == NULL
|
if (h == NULL
|
|| h->forced_local
|
|| h->forced_local
|
|| ! info->shared
|
|| ! info->shared
|
|| info->symbolic
|
|| info->symbolic
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
goto force_got;
|
goto force_got;
|
|
|
h->needs_plt = 1;
|
h->needs_plt = 1;
|
h->plt.refcount += 1;
|
h->plt.refcount += 1;
|
((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
|
((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
|
|
|
break;
|
break;
|
|
|
case R_SH_PLT32:
|
case R_SH_PLT32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_PLT_LOW16:
|
case R_SH_PLT_LOW16:
|
case R_SH_PLT_MEDLOW16:
|
case R_SH_PLT_MEDLOW16:
|
case R_SH_PLT_MEDHI16:
|
case R_SH_PLT_MEDHI16:
|
case R_SH_PLT_HI16:
|
case R_SH_PLT_HI16:
|
#endif
|
#endif
|
/* 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 which is
|
because this might be a case of linking PIC code which is
|
never referenced by a dynamic object, in which case we
|
never referenced by a dynamic object, in which case we
|
don't need to generate a procedure linkage table entry
|
don't need to generate a procedure linkage table entry
|
after all. */
|
after all. */
|
|
|
/* If this is a local symbol, we resolve it directly without
|
/* If this is a local symbol, we resolve it directly without
|
creating a procedure linkage table entry. */
|
creating a procedure linkage table entry. */
|
if (h == NULL)
|
if (h == NULL)
|
continue;
|
continue;
|
|
|
if (h->forced_local)
|
if (h->forced_local)
|
break;
|
break;
|
|
|
h->needs_plt = 1;
|
h->needs_plt = 1;
|
h->plt.refcount += 1;
|
h->plt.refcount += 1;
|
break;
|
break;
|
|
|
case R_SH_DIR32:
|
case R_SH_DIR32:
|
case R_SH_REL32:
|
case R_SH_REL32:
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case R_SH_IMM_LOW16_PCREL:
|
case R_SH_IMM_LOW16_PCREL:
|
case R_SH_IMM_MEDLOW16_PCREL:
|
case R_SH_IMM_MEDLOW16_PCREL:
|
case R_SH_IMM_MEDHI16_PCREL:
|
case R_SH_IMM_MEDHI16_PCREL:
|
case R_SH_IMM_HI16_PCREL:
|
case R_SH_IMM_HI16_PCREL:
|
#endif
|
#endif
|
if (h != NULL && ! info->shared)
|
if (h != NULL && ! info->shared)
|
{
|
{
|
h->non_got_ref = 1;
|
h->non_got_ref = 1;
|
h->plt.refcount += 1;
|
h->plt.refcount += 1;
|
}
|
}
|
|
|
/* 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). We account for that
|
later (it is never cleared). We account for that
|
possibility below by storing information in the
|
possibility below by storing information in the
|
dyn_relocs field of the hash table entry. A similar
|
dyn_relocs field of the hash table entry. A similar
|
situation occurs when creating shared libraries and symbol
|
situation occurs when creating shared libraries and symbol
|
visibility changes render the symbol local.
|
visibility changes render the 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. */
|
if ((info->shared
|
if ((info->shared
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& (r_type != R_SH_REL32
|
&& (r_type != R_SH_REL32
|
|| (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))))
|
|| (! info->shared
|
|| (! info->shared
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& 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 elf_sh_dyn_relocs *p;
|
struct elf_sh_dyn_relocs *p;
|
struct elf_sh_dyn_relocs **head;
|
struct elf_sh_dyn_relocs **head;
|
|
|
if (htab->root.dynobj == NULL)
|
if (htab->root.dynobj == NULL)
|
htab->root.dynobj = abfd;
|
htab->root.dynobj = abfd;
|
|
|
/* When creating a shared object, we must copy these
|
/* When creating a shared object, we must copy these
|
reloc types into the output file. We create a reloc
|
reloc types into the output file. We create a reloc
|
section in dynobj and make room for this reloc. */
|
section in dynobj and make room for this reloc. */
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
(sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
|
(sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE);
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* 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 elf_sh_link_hash_entry *) h)->dyn_relocs;
|
head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
|
else
|
else
|
{
|
{
|
/* Track dynamic relocs needed for local syms too. */
|
/* Track dynamic relocs needed for local syms too. */
|
asection *s;
|
asection *s;
|
void *vpp;
|
void *vpp;
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
|
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
abfd, r_symndx);
|
abfd, r_symndx);
|
if (isym == NULL)
|
if (isym == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
if (s == NULL)
|
if (s == NULL)
|
s = sec;
|
s = sec;
|
|
|
vpp = &elf_section_data (s)->local_dynrel;
|
vpp = &elf_section_data (s)->local_dynrel;
|
head = (struct elf_sh_dyn_relocs **) vpp;
|
head = (struct elf_sh_dyn_relocs **) vpp;
|
}
|
}
|
|
|
p = *head;
|
p = *head;
|
if (p == NULL || p->sec != sec)
|
if (p == NULL || p->sec != sec)
|
{
|
{
|
bfd_size_type amt = sizeof (*p);
|
bfd_size_type amt = sizeof (*p);
|
p = bfd_alloc (htab->root.dynobj, amt);
|
p = bfd_alloc (htab->root.dynobj, amt);
|
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 (r_type == R_SH_REL32
|
if (r_type == R_SH_REL32
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
|| r_type == R_SH_IMM_LOW16_PCREL
|
|| r_type == R_SH_IMM_LOW16_PCREL
|
|| r_type == R_SH_IMM_MEDLOW16_PCREL
|
|| r_type == R_SH_IMM_MEDLOW16_PCREL
|
|| r_type == R_SH_IMM_MEDHI16_PCREL
|
|| r_type == R_SH_IMM_MEDHI16_PCREL
|
|| r_type == R_SH_IMM_HI16_PCREL
|
|| r_type == R_SH_IMM_HI16_PCREL
|
#endif
|
#endif
|
)
|
)
|
p->pc_count += 1;
|
p->pc_count += 1;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case R_SH_TLS_LE_32:
|
case R_SH_TLS_LE_32:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: TLS local exec code cannot be linked into shared objects"),
|
(_("%B: TLS local exec code cannot be linked into shared objects"),
|
abfd);
|
abfd);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case R_SH_TLS_LDO_32:
|
case R_SH_TLS_LDO_32:
|
/* Nothing to do. */
|
/* Nothing to do. */
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
#ifndef sh_elf_set_mach_from_flags
|
#ifndef sh_elf_set_mach_from_flags
|
static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
|
static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_set_mach_from_flags (bfd *abfd)
|
sh_elf_set_mach_from_flags (bfd *abfd)
|
{
|
{
|
flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
|
flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
|
|
|
if (flags >= sizeof(sh_ef_bfd_table))
|
if (flags >= sizeof(sh_ef_bfd_table))
|
return FALSE;
|
return FALSE;
|
|
|
if (sh_ef_bfd_table[flags] == 0)
|
if (sh_ef_bfd_table[flags] == 0)
|
return FALSE;
|
return FALSE;
|
|
|
bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
|
bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
|
/* Reverse table lookup for sh_ef_bfd_table[].
|
/* Reverse table lookup for sh_ef_bfd_table[].
|
Given a bfd MACH value from archures.c
|
Given a bfd MACH value from archures.c
|
return the equivalent ELF flags from the table.
|
return the equivalent ELF flags from the table.
|
Return -1 if no match is found. */
|
Return -1 if no match is found. */
|
|
|
int
|
int
|
sh_elf_get_flags_from_mach (unsigned long mach)
|
sh_elf_get_flags_from_mach (unsigned long mach)
|
{
|
{
|
int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
|
int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
|
|
|
for (; i>0; i--)
|
for (; i>0; i--)
|
if (sh_ef_bfd_table[i] == mach)
|
if (sh_ef_bfd_table[i] == mach)
|
return i;
|
return i;
|
|
|
/* shouldn't get here */
|
/* shouldn't get here */
|
BFD_FAIL();
|
BFD_FAIL();
|
|
|
return -1;
|
return -1;
|
}
|
}
|
#endif /* not sh_elf_set_mach_from_flags */
|
#endif /* not sh_elf_set_mach_from_flags */
|
|
|
#ifndef sh_elf_set_private_flags
|
#ifndef sh_elf_set_private_flags
|
/* Function to keep SH specific file flags. */
|
/* Function to keep SH specific file flags. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_set_private_flags (bfd *abfd, flagword flags)
|
sh_elf_set_private_flags (bfd *abfd, flagword flags)
|
{
|
{
|
BFD_ASSERT (! elf_flags_init (abfd)
|
BFD_ASSERT (! elf_flags_init (abfd)
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_flags_init (abfd) = TRUE;
|
elf_flags_init (abfd) = TRUE;
|
return sh_elf_set_mach_from_flags (abfd);
|
return sh_elf_set_mach_from_flags (abfd);
|
}
|
}
|
#endif /* not sh_elf_set_private_flags */
|
#endif /* not sh_elf_set_private_flags */
|
|
|
#ifndef sh_elf_copy_private_data
|
#ifndef sh_elf_copy_private_data
|
/* Copy backend specific data from one object module to another */
|
/* Copy backend specific data from one object module to another */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
|
sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
|
{
|
{
|
/* Copy object attributes. */
|
/* Copy object attributes. */
|
_bfd_elf_copy_obj_attributes (ibfd, obfd);
|
_bfd_elf_copy_obj_attributes (ibfd, obfd);
|
|
|
if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
|
if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
|
return TRUE;
|
return TRUE;
|
|
|
return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
|
return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
|
}
|
}
|
#endif /* not sh_elf_copy_private_data */
|
#endif /* not sh_elf_copy_private_data */
|
|
|
#ifndef sh_elf_merge_private_data
|
#ifndef sh_elf_merge_private_data
|
|
|
/* This function returns the ELF architecture number that
|
/* This function returns the ELF architecture number that
|
corresponds to the given arch_sh* flags. */
|
corresponds to the given arch_sh* flags. */
|
|
|
int
|
int
|
sh_find_elf_flags (unsigned int arch_set)
|
sh_find_elf_flags (unsigned int arch_set)
|
{
|
{
|
extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
|
extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
|
unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
|
unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
|
|
|
return sh_elf_get_flags_from_mach (bfd_mach);
|
return sh_elf_get_flags_from_mach (bfd_mach);
|
}
|
}
|
|
|
/* This routine initialises the elf flags when required and
|
/* This routine initialises the elf flags when required and
|
calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
|
calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
|
sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
|
{
|
{
|
extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
|
extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
|
|
|
if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
|
if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd))
|
return TRUE;
|
return TRUE;
|
|
|
if (! elf_flags_init (obfd))
|
if (! elf_flags_init (obfd))
|
{
|
{
|
/* This happens when ld starts out with a 'blank' output file. */
|
/* This happens when ld starts out with a 'blank' output file. */
|
elf_flags_init (obfd) = TRUE;
|
elf_flags_init (obfd) = TRUE;
|
elf_elfheader (obfd)->e_flags = EF_SH1;
|
elf_elfheader (obfd)->e_flags = EF_SH1;
|
sh_elf_set_mach_from_flags (obfd);
|
sh_elf_set_mach_from_flags (obfd);
|
}
|
}
|
|
|
if (! sh_merge_bfd_arch (ibfd, obfd))
|
if (! sh_merge_bfd_arch (ibfd, obfd))
|
{
|
{
|
_bfd_error_handler ("%B: uses instructions which are incompatible "
|
_bfd_error_handler ("%B: uses instructions which are incompatible "
|
"with instructions used in previous modules",
|
"with instructions used in previous modules",
|
ibfd);
|
ibfd);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
elf_elfheader (obfd)->e_flags =
|
elf_elfheader (obfd)->e_flags =
|
sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
|
sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
#endif /* not sh_elf_merge_private_data */
|
#endif /* not sh_elf_merge_private_data */
|
|
|
/* Override the generic function because we need to store sh_elf_obj_tdata
|
/* Override the generic function because we need to store sh_elf_obj_tdata
|
as the specific tdata. We set also the machine architecture from flags
|
as the specific tdata. We set also the machine architecture from flags
|
here. */
|
here. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_object_p (bfd *abfd)
|
sh_elf_object_p (bfd *abfd)
|
{
|
{
|
return sh_elf_set_mach_from_flags (abfd);
|
return sh_elf_set_mach_from_flags (abfd);
|
}
|
}
|
|
|
/* 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
|
sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
|
sh_elf_finish_dynamic_symbol (bfd *output_bfd, 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 elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
|
|
if (h->plt.offset != (bfd_vma) -1)
|
if (h->plt.offset != (bfd_vma) -1)
|
{
|
{
|
asection *splt;
|
asection *splt;
|
asection *sgot;
|
asection *sgot;
|
asection *srel;
|
asection *srel;
|
|
|
bfd_vma plt_index;
|
bfd_vma plt_index;
|
bfd_vma got_offset;
|
bfd_vma got_offset;
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol has an entry in the procedure linkage table. Set
|
/* This symbol has an entry in the procedure linkage table. Set
|
it up. */
|
it up. */
|
|
|
BFD_ASSERT (h->dynindx != -1);
|
BFD_ASSERT (h->dynindx != -1);
|
|
|
splt = htab->splt;
|
splt = htab->splt;
|
sgot = htab->sgotplt;
|
sgot = htab->sgotplt;
|
srel = htab->srelplt;
|
srel = htab->srelplt;
|
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
|
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
|
|
|
/* Get the index in the procedure linkage table which
|
/* Get the index in the procedure linkage table which
|
corresponds to this symbol. This is the index of this symbol
|
corresponds to this symbol. This is the index of this symbol
|
in all the symbols for which we are making plt entries. The
|
in all the symbols for which we are making plt entries. The
|
first entry in the procedure linkage table is reserved. */
|
first entry in the procedure linkage table is reserved. */
|
plt_index = get_plt_index (htab->plt_info, h->plt.offset);
|
plt_index = get_plt_index (htab->plt_info, h->plt.offset);
|
|
|
/* Get the offset into the .got table of the entry that
|
/* Get the offset into the .got table of the entry that
|
corresponds to this function. Each .got entry is 4 bytes.
|
corresponds to this function. Each .got entry is 4 bytes.
|
The first three are reserved. */
|
The first three are reserved. */
|
got_offset = (plt_index + 3) * 4;
|
got_offset = (plt_index + 3) * 4;
|
|
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
if (info->shared)
|
if (info->shared)
|
got_offset -= GOT_BIAS;
|
got_offset -= GOT_BIAS;
|
#endif
|
#endif
|
|
|
/* Fill in the entry in the procedure linkage table. */
|
/* Fill in the entry in the procedure linkage table. */
|
memcpy (splt->contents + h->plt.offset,
|
memcpy (splt->contents + h->plt.offset,
|
htab->plt_info->symbol_entry,
|
htab->plt_info->symbol_entry,
|
htab->plt_info->symbol_entry_size);
|
htab->plt_info->symbol_entry_size);
|
|
|
if (info->shared)
|
if (info->shared)
|
install_plt_field (output_bfd, FALSE, got_offset,
|
install_plt_field (output_bfd, FALSE, got_offset,
|
(splt->contents
|
(splt->contents
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_fields.got_entry));
|
+ htab->plt_info->symbol_fields.got_entry));
|
else
|
else
|
{
|
{
|
install_plt_field (output_bfd, FALSE,
|
install_plt_field (output_bfd, FALSE,
|
(sgot->output_section->vma
|
(sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ got_offset),
|
+ got_offset),
|
(splt->contents
|
(splt->contents
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_fields.got_entry));
|
+ htab->plt_info->symbol_fields.got_entry));
|
if (htab->vxworks_p)
|
if (htab->vxworks_p)
|
{
|
{
|
unsigned int reachable_plts, plts_per_4k;
|
unsigned int reachable_plts, plts_per_4k;
|
int distance;
|
int distance;
|
|
|
/* Divide the PLT into groups. The first group contains
|
/* Divide the PLT into groups. The first group contains
|
REACHABLE_PLTS entries and the other groups contain
|
REACHABLE_PLTS entries and the other groups contain
|
PLTS_PER_4K entries. Entries in the first group can
|
PLTS_PER_4K entries. Entries in the first group can
|
branch directly to .plt; those in later groups branch
|
branch directly to .plt; those in later groups branch
|
to the last element of the previous group. */
|
to the last element of the previous group. */
|
/* ??? It would be better to create multiple copies of
|
/* ??? It would be better to create multiple copies of
|
the common resolver stub. */
|
the common resolver stub. */
|
reachable_plts = ((4096
|
reachable_plts = ((4096
|
- htab->plt_info->plt0_entry_size
|
- htab->plt_info->plt0_entry_size
|
- (htab->plt_info->symbol_fields.plt + 4))
|
- (htab->plt_info->symbol_fields.plt + 4))
|
/ htab->plt_info->symbol_entry_size) + 1;
|
/ htab->plt_info->symbol_entry_size) + 1;
|
plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
|
plts_per_4k = (4096 / htab->plt_info->symbol_entry_size);
|
if (plt_index < reachable_plts)
|
if (plt_index < reachable_plts)
|
distance = -(h->plt.offset
|
distance = -(h->plt.offset
|
+ htab->plt_info->symbol_fields.plt);
|
+ htab->plt_info->symbol_fields.plt);
|
else
|
else
|
distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
|
distance = -(((plt_index - reachable_plts) % plts_per_4k + 1)
|
* htab->plt_info->symbol_entry_size);
|
* htab->plt_info->symbol_entry_size);
|
|
|
/* Install the 'bra' with this offset. */
|
/* Install the 'bra' with this offset. */
|
bfd_put_16 (output_bfd,
|
bfd_put_16 (output_bfd,
|
0xa000 | (0x0fff & ((distance - 4) / 2)),
|
0xa000 | (0x0fff & ((distance - 4) / 2)),
|
(splt->contents
|
(splt->contents
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_fields.plt));
|
+ htab->plt_info->symbol_fields.plt));
|
}
|
}
|
else
|
else
|
install_plt_field (output_bfd, TRUE,
|
install_plt_field (output_bfd, TRUE,
|
splt->output_section->vma + splt->output_offset,
|
splt->output_section->vma + splt->output_offset,
|
(splt->contents
|
(splt->contents
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_fields.plt));
|
+ htab->plt_info->symbol_fields.plt));
|
}
|
}
|
|
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
if (info->shared)
|
if (info->shared)
|
got_offset += GOT_BIAS;
|
got_offset += GOT_BIAS;
|
#endif
|
#endif
|
|
|
install_plt_field (output_bfd, FALSE,
|
install_plt_field (output_bfd, FALSE,
|
plt_index * sizeof (Elf32_External_Rela),
|
plt_index * sizeof (Elf32_External_Rela),
|
(splt->contents
|
(splt->contents
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_fields.reloc_offset));
|
+ htab->plt_info->symbol_fields.reloc_offset));
|
|
|
/* Fill in the entry in the global offset table. */
|
/* Fill in the entry in the global offset table. */
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(splt->output_section->vma
|
(splt->output_section->vma
|
+ splt->output_offset
|
+ splt->output_offset
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_resolve_offset),
|
+ htab->plt_info->symbol_resolve_offset),
|
sgot->contents + got_offset);
|
sgot->contents + got_offset);
|
|
|
/* Fill in the entry in the .rela.plt section. */
|
/* Fill in the entry in the .rela.plt section. */
|
rel.r_offset = (sgot->output_section->vma
|
rel.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ got_offset);
|
+ got_offset);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
|
rel.r_addend = 0;
|
rel.r_addend = 0;
|
#ifdef GOT_BIAS
|
#ifdef GOT_BIAS
|
rel.r_addend = GOT_BIAS;
|
rel.r_addend = GOT_BIAS;
|
#endif
|
#endif
|
loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
|
loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
|
|
if (htab->vxworks_p && !info->shared)
|
if (htab->vxworks_p && !info->shared)
|
{
|
{
|
/* Create the .rela.plt.unloaded relocations for this PLT entry.
|
/* Create the .rela.plt.unloaded relocations for this PLT entry.
|
Begin by pointing LOC to the first such relocation. */
|
Begin by pointing LOC to the first such relocation. */
|
loc = (htab->srelplt2->contents
|
loc = (htab->srelplt2->contents
|
+ (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
|
+ (plt_index * 2 + 1) * sizeof (Elf32_External_Rela));
|
|
|
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation
|
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation
|
for the PLT entry's pointer to the .got.plt entry. */
|
for the PLT entry's pointer to the .got.plt entry. */
|
rel.r_offset = (htab->splt->output_section->vma
|
rel.r_offset = (htab->splt->output_section->vma
|
+ htab->splt->output_offset
|
+ htab->splt->output_offset
|
+ h->plt.offset
|
+ h->plt.offset
|
+ htab->plt_info->symbol_fields.got_entry);
|
+ htab->plt_info->symbol_fields.got_entry);
|
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
|
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
|
rel.r_addend = got_offset;
|
rel.r_addend = got_offset;
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
|
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation for
|
the .got.plt entry, which initially points to .plt. */
|
the .got.plt entry, which initially points to .plt. */
|
rel.r_offset = (htab->sgotplt->output_section->vma
|
rel.r_offset = (htab->sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->sgotplt->output_offset
|
+ got_offset);
|
+ got_offset);
|
rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
|
rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32);
|
rel.r_addend = 0;
|
rel.r_addend = 0;
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
}
|
}
|
|
|
if (!h->def_regular)
|
if (!h->def_regular)
|
{
|
{
|
/* Mark the symbol as undefined, rather than as defined in
|
/* Mark the symbol as undefined, rather than as defined in
|
the .plt section. Leave the value alone. */
|
the .plt section. Leave the value alone. */
|
sym->st_shndx = SHN_UNDEF;
|
sym->st_shndx = SHN_UNDEF;
|
}
|
}
|
}
|
}
|
|
|
if (h->got.offset != (bfd_vma) -1
|
if (h->got.offset != (bfd_vma) -1
|
&& sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
|
&& sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
|
&& sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
|
&& sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
|
{
|
{
|
asection *sgot;
|
asection *sgot;
|
asection *srel;
|
asection *srel;
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol has an entry in the global offset table. Set it
|
/* This symbol has an entry in the global offset table. Set it
|
up. */
|
up. */
|
|
|
sgot = htab->sgot;
|
sgot = htab->sgot;
|
srel = htab->srelgot;
|
srel = htab->srelgot;
|
BFD_ASSERT (sgot != NULL && srel != NULL);
|
BFD_ASSERT (sgot != NULL && srel != NULL);
|
|
|
rel.r_offset = (sgot->output_section->vma
|
rel.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ (h->got.offset &~ (bfd_vma) 1));
|
+ (h->got.offset &~ (bfd_vma) 1));
|
|
|
/* If this is a static link, or it is a -Bsymbolic link and the
|
/* If this is a static link, or it is a -Bsymbolic link and the
|
symbol is defined locally or was forced to be local because
|
symbol is defined locally or was forced to be local because
|
of a version file, we just want to emit a RELATIVE reloc.
|
of a version file, we just want to emit a RELATIVE reloc.
|
The entry in the global offset table will already have been
|
The entry in the global offset table will already have been
|
initialized in the relocate_section function. */
|
initialized in the relocate_section function. */
|
if (info->shared
|
if (info->shared
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
{
|
{
|
rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
rel.r_addend = (h->root.u.def.value
|
rel.r_addend = (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);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
|
rel.r_addend = 0;
|
rel.r_addend = 0;
|
}
|
}
|
|
|
loc = srel->contents;
|
loc = srel->contents;
|
loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
}
|
}
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
{
|
{
|
struct elf_sh_link_hash_entry *eh;
|
struct elf_sh_link_hash_entry *eh;
|
|
|
eh = (struct elf_sh_link_hash_entry *) h;
|
eh = (struct elf_sh_link_hash_entry *) h;
|
if (eh->datalabel_got.offset != (bfd_vma) -1)
|
if (eh->datalabel_got.offset != (bfd_vma) -1)
|
{
|
{
|
asection *sgot;
|
asection *sgot;
|
asection *srel;
|
asection *srel;
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol has a datalabel entry in the global offset table.
|
/* This symbol has a datalabel entry in the global offset table.
|
Set it up. */
|
Set it up. */
|
|
|
sgot = htab->sgot;
|
sgot = htab->sgot;
|
srel = htab->srelgot;
|
srel = htab->srelgot;
|
BFD_ASSERT (sgot != NULL && srel != NULL);
|
BFD_ASSERT (sgot != NULL && srel != NULL);
|
|
|
rel.r_offset = (sgot->output_section->vma
|
rel.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ (eh->datalabel_got.offset &~ (bfd_vma) 1));
|
+ (eh->datalabel_got.offset &~ (bfd_vma) 1));
|
|
|
/* If this is a static link, or it is a -Bsymbolic link and the
|
/* If this is a static link, or it is a -Bsymbolic link and the
|
symbol is defined locally or was forced to be local because
|
symbol is defined locally or was forced to be local because
|
of a version file, we just want to emit a RELATIVE reloc.
|
of a version file, we just want to emit a RELATIVE reloc.
|
The entry in the global offset table will already have been
|
The entry in the global offset table will already have been
|
initialized in the relocate_section function. */
|
initialized in the relocate_section function. */
|
if (info->shared
|
if (info->shared
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
{
|
{
|
rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
|
rel.r_addend = (h->root.u.def.value
|
rel.r_addend = (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);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
|
+ eh->datalabel_got.offset);
|
+ eh->datalabel_got.offset);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
|
rel.r_addend = 0;
|
rel.r_addend = 0;
|
}
|
}
|
|
|
loc = srel->contents;
|
loc = srel->contents;
|
loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
if (h->needs_copy)
|
if (h->needs_copy)
|
{
|
{
|
asection *s;
|
asection *s;
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol needs a copy reloc. Set it up. */
|
/* This symbol needs a copy reloc. Set it up. */
|
|
|
BFD_ASSERT (h->dynindx != -1
|
BFD_ASSERT (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));
|
|
|
s = bfd_get_section_by_name (h->root.u.def.section->owner,
|
s = bfd_get_section_by_name (h->root.u.def.section->owner,
|
".rela.bss");
|
".rela.bss");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
rel.r_offset = (h->root.u.def.value
|
rel.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);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
|
rel.r_addend = 0;
|
rel.r_addend = 0;
|
loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
}
|
}
|
|
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks,
|
_GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
|
_GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
|
".got" section. */
|
".got" section. */
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
|| (!htab->vxworks_p && h == htab->root.hgot))
|
|| (!htab->vxworks_p && h == htab->root.hgot))
|
sym->st_shndx = SHN_ABS;
|
sym->st_shndx = SHN_ABS;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Finish up the dynamic sections. */
|
/* Finish up the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
{
|
{
|
struct elf_sh_link_hash_table *htab;
|
struct elf_sh_link_hash_table *htab;
|
asection *sgot;
|
asection *sgot;
|
asection *sdyn;
|
asection *sdyn;
|
|
|
htab = sh_elf_hash_table (info);
|
htab = sh_elf_hash_table (info);
|
sgot = htab->sgotplt;
|
sgot = htab->sgotplt;
|
sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
|
sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
|
|
|
if (htab->root.dynamic_sections_created)
|
if (htab->root.dynamic_sections_created)
|
{
|
{
|
asection *splt;
|
asection *splt;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
|
|
BFD_ASSERT (sgot != NULL && sdyn != NULL);
|
BFD_ASSERT (sgot != NULL && sdyn != NULL);
|
|
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
dynconend = (Elf32_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;
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
const char *name;
|
const char *name;
|
#endif
|
#endif
|
|
|
bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
|
bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
|
|
|
switch (dyn.d_tag)
|
switch (dyn.d_tag)
|
{
|
{
|
default:
|
default:
|
if (htab->vxworks_p
|
if (htab->vxworks_p
|
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
|
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
break;
|
break;
|
|
|
#ifdef INCLUDE_SHMEDIA
|
#ifdef INCLUDE_SHMEDIA
|
case DT_INIT:
|
case DT_INIT:
|
name = info->init_function;
|
name = info->init_function;
|
goto get_sym;
|
goto get_sym;
|
|
|
case DT_FINI:
|
case DT_FINI:
|
name = info->fini_function;
|
name = info->fini_function;
|
get_sym:
|
get_sym:
|
if (dyn.d_un.d_val != 0)
|
if (dyn.d_un.d_val != 0)
|
{
|
{
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
h = elf_link_hash_lookup (&htab->root, name,
|
h = elf_link_hash_lookup (&htab->root, name,
|
FALSE, FALSE, TRUE);
|
FALSE, FALSE, TRUE);
|
if (h != NULL && (h->other & STO_SH5_ISA32))
|
if (h != NULL && (h->other & STO_SH5_ISA32))
|
{
|
{
|
dyn.d_un.d_val |= 1;
|
dyn.d_un.d_val |= 1;
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
#endif
|
#endif
|
|
|
case DT_PLTGOT:
|
case DT_PLTGOT:
|
s = htab->sgot->output_section;
|
s = htab->sgot->output_section;
|
goto get_vma;
|
goto get_vma;
|
|
|
case DT_JMPREL:
|
case DT_JMPREL:
|
s = htab->srelplt->output_section;
|
s = htab->srelplt->output_section;
|
get_vma:
|
get_vma:
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
dyn.d_un.d_ptr = s->vma;
|
dyn.d_un.d_ptr = s->vma;
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
break;
|
break;
|
|
|
case DT_PLTRELSZ:
|
case DT_PLTRELSZ:
|
s = htab->srelplt->output_section;
|
s = htab->srelplt->output_section;
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
dyn.d_un.d_val = s->size;
|
dyn.d_un.d_val = s->size;
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
break;
|
break;
|
|
|
case DT_RELASZ:
|
case DT_RELASZ:
|
/* My reading of the SVR4 ABI indicates that the
|
/* My reading of the SVR4 ABI indicates that the
|
procedure linkage table relocs (DT_JMPREL) should be
|
procedure linkage table relocs (DT_JMPREL) should be
|
included in the overall relocs (DT_RELA). This is
|
included in the overall relocs (DT_RELA). This is
|
what Solaris does. However, UnixWare can not handle
|
what Solaris does. However, UnixWare can not handle
|
that case. Therefore, we override the DT_RELASZ entry
|
that case. Therefore, we override the DT_RELASZ entry
|
here to make it not include the JMPREL relocs. Since
|
here to make it not include the JMPREL relocs. Since
|
the linker script arranges for .rela.plt to follow all
|
the linker script arranges for .rela.plt to follow all
|
other relocation sections, we don't have to worry
|
other relocation sections, we don't have to worry
|
about changing the DT_RELA entry. */
|
about changing the DT_RELA entry. */
|
if (htab->srelplt != NULL)
|
if (htab->srelplt != NULL)
|
{
|
{
|
s = htab->srelplt->output_section;
|
s = htab->srelplt->output_section;
|
dyn.d_un.d_val -= s->size;
|
dyn.d_un.d_val -= s->size;
|
}
|
}
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Fill in the first entry in the procedure linkage table. */
|
/* Fill in the first entry in the procedure linkage table. */
|
splt = htab->splt;
|
splt = htab->splt;
|
if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
|
if (splt && splt->size > 0 && htab->plt_info->plt0_entry)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
memcpy (splt->contents,
|
memcpy (splt->contents,
|
htab->plt_info->plt0_entry,
|
htab->plt_info->plt0_entry,
|
htab->plt_info->plt0_entry_size);
|
htab->plt_info->plt0_entry_size);
|
for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
|
for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++)
|
if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
|
if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE)
|
install_plt_field (output_bfd, FALSE,
|
install_plt_field (output_bfd, FALSE,
|
(sgot->output_section->vma
|
(sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ (i * 4)),
|
+ (i * 4)),
|
(splt->contents
|
(splt->contents
|
+ htab->plt_info->plt0_got_fields[i]));
|
+ htab->plt_info->plt0_got_fields[i]));
|
|
|
if (htab->vxworks_p)
|
if (htab->vxworks_p)
|
{
|
{
|
/* Finalize the .rela.plt.unloaded contents. */
|
/* Finalize the .rela.plt.unloaded contents. */
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
|
/* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the
|
first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
|
first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */
|
loc = htab->srelplt2->contents;
|
loc = htab->srelplt2->contents;
|
rel.r_offset = (splt->output_section->vma
|
rel.r_offset = (splt->output_section->vma
|
+ splt->output_offset
|
+ splt->output_offset
|
+ htab->plt_info->plt0_got_fields[2]);
|
+ htab->plt_info->plt0_got_fields[2]);
|
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
|
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32);
|
rel.r_addend = 8;
|
rel.r_addend = 8;
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* Fix up the remaining .rela.plt.unloaded relocations.
|
/* Fix up the remaining .rela.plt.unloaded relocations.
|
They may have the wrong symbol index for _G_O_T_ or
|
They may have the wrong symbol index for _G_O_T_ or
|
_P_L_T_ depending on the order in which symbols were
|
_P_L_T_ depending on the order in which symbols were
|
output. */
|
output. */
|
while (loc < htab->srelplt2->contents + htab->srelplt2->size)
|
while (loc < htab->srelplt2->contents + htab->srelplt2->size)
|
{
|
{
|
/* The PLT entry's pointer to the .got.plt slot. */
|
/* The PLT entry's pointer to the .got.plt slot. */
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
|
rel.r_info = ELF32_R_INFO (htab->root.hgot->indx,
|
R_SH_DIR32);
|
R_SH_DIR32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* The .got.plt slot's pointer to .plt. */
|
/* The .got.plt slot's pointer to .plt. */
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
|
rel.r_info = ELF32_R_INFO (htab->root.hplt->indx,
|
R_SH_DIR32);
|
R_SH_DIR32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
}
|
}
|
}
|
}
|
|
|
/* UnixWare sets the entsize of .plt to 4, although that doesn't
|
/* UnixWare sets the entsize of .plt to 4, although that doesn't
|
really seem like the right value. */
|
really seem like the right value. */
|
elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
|
elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
|
}
|
}
|
}
|
}
|
|
|
/* Fill in the first three entries in the global offset table. */
|
/* Fill in the first three entries in the global offset table. */
|
if (sgot && sgot->size > 0)
|
if (sgot && sgot->size > 0)
|
{
|
{
|
if (sdyn == NULL)
|
if (sdyn == NULL)
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
|
else
|
else
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
sdyn->output_section->vma + sdyn->output_offset,
|
sdyn->output_section->vma + sdyn->output_offset,
|
sgot->contents);
|
sgot->contents);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
|
|
|
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
|
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static enum elf_reloc_type_class
|
static enum elf_reloc_type_class
|
sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
|
sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
|
{
|
{
|
switch ((int) ELF32_R_TYPE (rela->r_info))
|
switch ((int) ELF32_R_TYPE (rela->r_info))
|
{
|
{
|
case R_SH_RELATIVE:
|
case R_SH_RELATIVE:
|
return reloc_class_relative;
|
return reloc_class_relative;
|
case R_SH_JMP_SLOT:
|
case R_SH_JMP_SLOT:
|
return reloc_class_plt;
|
return reloc_class_plt;
|
case R_SH_COPY:
|
case R_SH_COPY:
|
return reloc_class_copy;
|
return reloc_class_copy;
|
default:
|
default:
|
return reloc_class_normal;
|
return reloc_class_normal;
|
}
|
}
|
}
|
}
|
|
|
#if !defined SH_TARGET_ALREADY_DEFINED
|
#if !defined SH_TARGET_ALREADY_DEFINED
|
/* Support for Linux core dump NOTE sections. */
|
/* Support for Linux core dump NOTE sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
{
|
{
|
int offset;
|
int offset;
|
unsigned int size;
|
unsigned int size;
|
|
|
switch (note->descsz)
|
switch (note->descsz)
|
{
|
{
|
default:
|
default:
|
return FALSE;
|
return FALSE;
|
|
|
case 168: /* Linux/SH */
|
case 168: /* Linux/SH */
|
/* 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 + 24);
|
elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
|
|
|
/* pr_reg */
|
/* pr_reg */
|
offset = 72;
|
offset = 72;
|
size = 92;
|
size = 92;
|
|
|
break;
|
break;
|
}
|
}
|
|
|
/* 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
|
elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
{
|
{
|
switch (note->descsz)
|
switch (note->descsz)
|
{
|
{
|
default:
|
default:
|
return FALSE;
|
return FALSE;
|
|
|
case 124: /* Linux/SH elf_prpsinfo */
|
case 124: /* Linux/SH elf_prpsinfo */
|
elf_tdata (abfd)->core_program
|
elf_tdata (abfd)->core_program
|
= _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
|
= _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
|
elf_tdata (abfd)->core_command
|
elf_tdata (abfd)->core_command
|
= _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
|
= _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
|
}
|
}
|
|
|
/* Note that for some reason, a spurious space is tacked
|
/* Note that for some reason, a spurious space is tacked
|
onto the end of the args in some (at least one anyway)
|
onto the end of the args in some (at least one anyway)
|
implementations, so strip it off if it exists. */
|
implementations, so strip it off if it exists. */
|
|
|
{
|
{
|
char *command = elf_tdata (abfd)->core_command;
|
char *command = elf_tdata (abfd)->core_command;
|
int n = strlen (command);
|
int n = strlen (command);
|
|
|
if (0 < n && command[n - 1] == ' ')
|
if (0 < n && command[n - 1] == ' ')
|
command[n - 1] = '\0';
|
command[n - 1] = '\0';
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
#endif /* not SH_TARGET_ALREADY_DEFINED */
|
#endif /* not SH_TARGET_ALREADY_DEFINED */
|
|
|
|
|
/* Return address for Ith PLT stub in section PLT, for relocation REL
|
/* Return address for Ith PLT stub in section PLT, for relocation REL
|
or (bfd_vma) -1 if it should not be included. */
|
or (bfd_vma) -1 if it should not be included. */
|
|
|
static bfd_vma
|
static bfd_vma
|
sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
|
sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
|
const arelent *rel ATTRIBUTE_UNUSED)
|
const arelent *rel ATTRIBUTE_UNUSED)
|
{
|
{
|
const struct elf_sh_plt_info *plt_info;
|
const struct elf_sh_plt_info *plt_info;
|
|
|
plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
|
plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0);
|
return plt->vma + get_plt_offset (plt_info, i);
|
return plt->vma + get_plt_offset (plt_info, i);
|
}
|
}
|
|
|
#if !defined SH_TARGET_ALREADY_DEFINED
|
#if !defined SH_TARGET_ALREADY_DEFINED
|
#define TARGET_BIG_SYM bfd_elf32_sh_vec
|
#define TARGET_BIG_SYM bfd_elf32_sh_vec
|
#define TARGET_BIG_NAME "elf32-sh"
|
#define TARGET_BIG_NAME "elf32-sh"
|
#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_shl_vec
|
#define TARGET_LITTLE_NAME "elf32-shl"
|
#define TARGET_LITTLE_NAME "elf32-shl"
|
#endif
|
#endif
|
|
|
#define ELF_ARCH bfd_arch_sh
|
#define ELF_ARCH bfd_arch_sh
|
#define ELF_MACHINE_CODE EM_SH
|
#define ELF_MACHINE_CODE EM_SH
|
#ifdef __QNXTARGET__
|
#ifdef __QNXTARGET__
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
#else
|
#else
|
#define ELF_MAXPAGESIZE 0x80
|
#define ELF_MAXPAGESIZE 0x80
|
#endif
|
#endif
|
|
|
#define elf_symbol_leading_char '_'
|
#define elf_symbol_leading_char '_'
|
|
|
#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup \
|
#define bfd_elf32_bfd_reloc_name_lookup \
|
sh_elf_reloc_name_lookup
|
sh_elf_reloc_name_lookup
|
#define elf_info_to_howto sh_elf_info_to_howto
|
#define elf_info_to_howto sh_elf_info_to_howto
|
#define bfd_elf32_bfd_relax_section sh_elf_relax_section
|
#define bfd_elf32_bfd_relax_section sh_elf_relax_section
|
#define elf_backend_relocate_section sh_elf_relocate_section
|
#define elf_backend_relocate_section sh_elf_relocate_section
|
#define bfd_elf32_bfd_get_relocated_section_contents \
|
#define bfd_elf32_bfd_get_relocated_section_contents \
|
sh_elf_get_relocated_section_contents
|
sh_elf_get_relocated_section_contents
|
#define bfd_elf32_mkobject sh_elf_mkobject
|
#define bfd_elf32_mkobject sh_elf_mkobject
|
#define elf_backend_object_p sh_elf_object_p
|
#define elf_backend_object_p sh_elf_object_p
|
#define bfd_elf32_bfd_set_private_bfd_flags \
|
#define bfd_elf32_bfd_set_private_bfd_flags \
|
sh_elf_set_private_flags
|
sh_elf_set_private_flags
|
#define bfd_elf32_bfd_copy_private_bfd_data \
|
#define bfd_elf32_bfd_copy_private_bfd_data \
|
sh_elf_copy_private_data
|
sh_elf_copy_private_data
|
#define bfd_elf32_bfd_merge_private_bfd_data \
|
#define bfd_elf32_bfd_merge_private_bfd_data \
|
sh_elf_merge_private_data
|
sh_elf_merge_private_data
|
|
|
#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
|
#define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
|
#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
|
#define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
|
#define elf_backend_check_relocs sh_elf_check_relocs
|
#define elf_backend_check_relocs sh_elf_check_relocs
|
#define elf_backend_copy_indirect_symbol \
|
#define elf_backend_copy_indirect_symbol \
|
sh_elf_copy_indirect_symbol
|
sh_elf_copy_indirect_symbol
|
#define elf_backend_create_dynamic_sections \
|
#define elf_backend_create_dynamic_sections \
|
sh_elf_create_dynamic_sections
|
sh_elf_create_dynamic_sections
|
#define bfd_elf32_bfd_link_hash_table_create \
|
#define bfd_elf32_bfd_link_hash_table_create \
|
sh_elf_link_hash_table_create
|
sh_elf_link_hash_table_create
|
#define elf_backend_adjust_dynamic_symbol \
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#define elf_backend_adjust_dynamic_symbol \
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sh_elf_adjust_dynamic_symbol
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sh_elf_adjust_dynamic_symbol
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#define elf_backend_always_size_sections \
|
#define elf_backend_always_size_sections \
|
sh_elf_always_size_sections
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sh_elf_always_size_sections
|
#define elf_backend_size_dynamic_sections \
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#define elf_backend_size_dynamic_sections \
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sh_elf_size_dynamic_sections
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sh_elf_size_dynamic_sections
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#define elf_backend_omit_section_dynsym \
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#define elf_backend_omit_section_dynsym \
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((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
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((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
|
#define elf_backend_finish_dynamic_symbol \
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#define elf_backend_finish_dynamic_symbol \
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sh_elf_finish_dynamic_symbol
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sh_elf_finish_dynamic_symbol
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#define elf_backend_finish_dynamic_sections \
|
#define elf_backend_finish_dynamic_sections \
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sh_elf_finish_dynamic_sections
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sh_elf_finish_dynamic_sections
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#define elf_backend_reloc_type_class sh_elf_reloc_type_class
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#define elf_backend_reloc_type_class sh_elf_reloc_type_class
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#define elf_backend_plt_sym_val sh_elf_plt_sym_val
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#define elf_backend_plt_sym_val sh_elf_plt_sym_val
|
|
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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_want_got_plt 1
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#define elf_backend_want_got_plt 1
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#define elf_backend_plt_readonly 1
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#define elf_backend_plt_readonly 1
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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_got_header_size 12
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#define elf_backend_got_header_size 12
|
|
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#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
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#if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
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|
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#include "elf32-target.h"
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#include "elf32-target.h"
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|
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/* NetBSD support. */
|
/* NetBSD support. */
|
#undef TARGET_BIG_SYM
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#undef TARGET_BIG_SYM
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#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
|
#define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
|
#undef TARGET_BIG_NAME
|
#undef TARGET_BIG_NAME
|
#define TARGET_BIG_NAME "elf32-sh-nbsd"
|
#define TARGET_BIG_NAME "elf32-sh-nbsd"
|
#undef TARGET_LITTLE_SYM
|
#undef TARGET_LITTLE_SYM
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#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
|
#undef TARGET_LITTLE_NAME
|
#undef TARGET_LITTLE_NAME
|
#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
|
#define TARGET_LITTLE_NAME "elf32-shl-nbsd"
|
#undef ELF_MAXPAGESIZE
|
#undef ELF_MAXPAGESIZE
|
#define ELF_MAXPAGESIZE 0x10000
|
#define ELF_MAXPAGESIZE 0x10000
|
#undef ELF_COMMONPAGESIZE
|
#undef ELF_COMMONPAGESIZE
|
#undef elf_symbol_leading_char
|
#undef elf_symbol_leading_char
|
#define elf_symbol_leading_char 0
|
#define elf_symbol_leading_char 0
|
#undef elf32_bed
|
#undef elf32_bed
|
#define elf32_bed elf32_sh_nbsd_bed
|
#define elf32_bed elf32_sh_nbsd_bed
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
|
|
/* Linux support. */
|
/* Linux support. */
|
#undef TARGET_BIG_SYM
|
#undef TARGET_BIG_SYM
|
#define TARGET_BIG_SYM bfd_elf32_shblin_vec
|
#define TARGET_BIG_SYM bfd_elf32_shblin_vec
|
#undef TARGET_BIG_NAME
|
#undef TARGET_BIG_NAME
|
#define TARGET_BIG_NAME "elf32-shbig-linux"
|
#define TARGET_BIG_NAME "elf32-shbig-linux"
|
#undef TARGET_LITTLE_SYM
|
#undef TARGET_LITTLE_SYM
|
#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
|
#undef TARGET_LITTLE_NAME
|
#undef TARGET_LITTLE_NAME
|
#define TARGET_LITTLE_NAME "elf32-sh-linux"
|
#define TARGET_LITTLE_NAME "elf32-sh-linux"
|
#undef ELF_COMMONPAGESIZE
|
#undef ELF_COMMONPAGESIZE
|
#define ELF_COMMONPAGESIZE 0x1000
|
#define ELF_COMMONPAGESIZE 0x1000
|
|
|
#undef elf_backend_grok_prstatus
|
#undef elf_backend_grok_prstatus
|
#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
|
#define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
|
#undef elf_backend_grok_psinfo
|
#undef elf_backend_grok_psinfo
|
#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
|
#define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
|
#undef elf32_bed
|
#undef elf32_bed
|
#define elf32_bed elf32_sh_lin_bed
|
#define elf32_bed elf32_sh_lin_bed
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
#undef TARGET_BIG_SYM
|
#undef TARGET_BIG_SYM
|
#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
|
#define TARGET_BIG_SYM bfd_elf32_shvxworks_vec
|
#undef TARGET_BIG_NAME
|
#undef TARGET_BIG_NAME
|
#define TARGET_BIG_NAME "elf32-sh-vxworks"
|
#define TARGET_BIG_NAME "elf32-sh-vxworks"
|
#undef TARGET_LITTLE_SYM
|
#undef TARGET_LITTLE_SYM
|
#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec
|
#undef TARGET_LITTLE_NAME
|
#undef TARGET_LITTLE_NAME
|
#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
|
#define TARGET_LITTLE_NAME "elf32-shl-vxworks"
|
#undef elf32_bed
|
#undef elf32_bed
|
#define elf32_bed elf32_sh_vxworks_bed
|
#define elf32_bed elf32_sh_vxworks_bed
|
|
|
#undef elf_backend_want_plt_sym
|
#undef elf_backend_want_plt_sym
|
#define elf_backend_want_plt_sym 1
|
#define elf_backend_want_plt_sym 1
|
#undef elf_symbol_leading_char
|
#undef elf_symbol_leading_char
|
#define elf_symbol_leading_char '_'
|
#define elf_symbol_leading_char '_'
|
#define elf_backend_want_got_underscore 1
|
#define elf_backend_want_got_underscore 1
|
#undef elf_backend_grok_prstatus
|
#undef elf_backend_grok_prstatus
|
#undef elf_backend_grok_psinfo
|
#undef elf_backend_grok_psinfo
|
#undef elf_backend_add_symbol_hook
|
#undef elf_backend_add_symbol_hook
|
#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
|
#define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook
|
#undef elf_backend_link_output_symbol_hook
|
#undef elf_backend_link_output_symbol_hook
|
#define elf_backend_link_output_symbol_hook \
|
#define elf_backend_link_output_symbol_hook \
|
elf_vxworks_link_output_symbol_hook
|
elf_vxworks_link_output_symbol_hook
|
#undef elf_backend_emit_relocs
|
#undef elf_backend_emit_relocs
|
#define elf_backend_emit_relocs elf_vxworks_emit_relocs
|
#define elf_backend_emit_relocs elf_vxworks_emit_relocs
|
#undef elf_backend_final_write_processing
|
#undef elf_backend_final_write_processing
|
#define elf_backend_final_write_processing \
|
#define elf_backend_final_write_processing \
|
elf_vxworks_final_write_processing
|
elf_vxworks_final_write_processing
|
#undef ELF_MAXPAGESIZE
|
#undef ELF_MAXPAGESIZE
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
#undef ELF_COMMONPAGESIZE
|
#undef ELF_COMMONPAGESIZE
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
|
#endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
|
|
|
