/* VAX series support for 32-bit ELF
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/* VAX series support for 32-bit ELF
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Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Contributed by Matt Thomas <matt@3am-software.com>.
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Contributed by Matt Thomas <matt@3am-software.com>.
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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/vax.h"
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#include "elf/vax.h"
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static reloc_howto_type *reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
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static reloc_howto_type *reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
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static void rtype_to_howto (bfd *, arelent *, Elf_Internal_Rela *);
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static void rtype_to_howto (bfd *, arelent *, Elf_Internal_Rela *);
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static struct bfd_hash_entry *elf_vax_link_hash_newfunc (struct bfd_hash_entry *,
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static struct bfd_hash_entry *elf_vax_link_hash_newfunc (struct bfd_hash_entry *,
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struct bfd_hash_table *,
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struct bfd_hash_table *,
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const char *);
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const char *);
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static struct bfd_link_hash_table *elf_vax_link_hash_table_create (bfd *);
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static struct bfd_link_hash_table *elf_vax_link_hash_table_create (bfd *);
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static bfd_boolean elf_vax_check_relocs (bfd *, struct bfd_link_info *,
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static bfd_boolean elf_vax_check_relocs (bfd *, struct bfd_link_info *,
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asection *, const Elf_Internal_Rela *);
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asection *, const Elf_Internal_Rela *);
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static bfd_boolean elf_vax_adjust_dynamic_symbol (struct bfd_link_info *,
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static bfd_boolean elf_vax_adjust_dynamic_symbol (struct bfd_link_info *,
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struct elf_link_hash_entry *);
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struct elf_link_hash_entry *);
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static bfd_boolean elf_vax_size_dynamic_sections (bfd *, struct bfd_link_info *);
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static bfd_boolean elf_vax_size_dynamic_sections (bfd *, struct bfd_link_info *);
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static bfd_boolean elf_vax_relocate_section (bfd *, struct bfd_link_info *,
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static bfd_boolean elf_vax_relocate_section (bfd *, struct bfd_link_info *,
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bfd *, asection *, bfd_byte *,
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bfd *, asection *, bfd_byte *,
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Elf_Internal_Rela *,
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Elf_Internal_Rela *,
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Elf_Internal_Sym *, asection **);
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Elf_Internal_Sym *, asection **);
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static bfd_boolean elf_vax_finish_dynamic_symbol (bfd *, struct bfd_link_info *,
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static bfd_boolean elf_vax_finish_dynamic_symbol (bfd *, struct bfd_link_info *,
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struct elf_link_hash_entry *,
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struct elf_link_hash_entry *,
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Elf_Internal_Sym *);
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Elf_Internal_Sym *);
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static bfd_boolean elf_vax_finish_dynamic_sections (bfd *,
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static bfd_boolean elf_vax_finish_dynamic_sections (bfd *,
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struct bfd_link_info *);
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struct bfd_link_info *);
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static bfd_vma elf_vax_plt_sym_val (bfd_vma, const asection *,
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static bfd_vma elf_vax_plt_sym_val (bfd_vma, const asection *,
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const arelent *);
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const arelent *);
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static bfd_boolean elf32_vax_set_private_flags (bfd *, flagword);
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static bfd_boolean elf32_vax_set_private_flags (bfd *, flagword);
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static bfd_boolean elf32_vax_merge_private_bfd_data (bfd *, bfd *);
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static bfd_boolean elf32_vax_merge_private_bfd_data (bfd *, bfd *);
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static bfd_boolean elf32_vax_print_private_bfd_data (bfd *, PTR);
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static bfd_boolean elf32_vax_print_private_bfd_data (bfd *, PTR);
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static reloc_howto_type howto_table[] = {
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static reloc_howto_type howto_table[] = {
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HOWTO (R_VAX_NONE, /* type */
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HOWTO (R_VAX_NONE, /* type */
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0, /* rightshift */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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0, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_NONE", /* name */
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"R_VAX_NONE", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0x00000000, /* dst_mask */
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0x00000000, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_VAX_32, /* type */
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HOWTO (R_VAX_32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_32", /* name */
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"R_VAX_32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_VAX_16, /* type */
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HOWTO (R_VAX_16, /* type */
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0, /* rightshift */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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16, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_16", /* name */
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"R_VAX_16", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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0x0000ffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_VAX_8, /* type */
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HOWTO (R_VAX_8, /* type */
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0, /* rightshift */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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8, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_8", /* name */
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"R_VAX_8", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0x000000ff, /* dst_mask */
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0x000000ff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_VAX_PC32, /* type */
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HOWTO (R_VAX_PC32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_PC32", /* name */
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"R_VAX_PC32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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TRUE), /* pcrel_offset */
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HOWTO (R_VAX_PC16, /* type */
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HOWTO (R_VAX_PC16, /* type */
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0, /* rightshift */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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16, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_PC16", /* name */
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"R_VAX_PC16", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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0x0000ffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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TRUE), /* pcrel_offset */
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HOWTO (R_VAX_PC8, /* type */
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HOWTO (R_VAX_PC8, /* type */
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0, /* rightshift */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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8, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_PC8", /* name */
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"R_VAX_PC8", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0x000000ff, /* dst_mask */
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0x000000ff, /* dst_mask */
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TRUE), /* pcrel_offset */
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TRUE), /* pcrel_offset */
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HOWTO (R_VAX_GOT32, /* type */
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HOWTO (R_VAX_GOT32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_GOT32", /* name */
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"R_VAX_GOT32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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TRUE), /* pcrel_offset */
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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HOWTO (R_VAX_PLT32, /* type */
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HOWTO (R_VAX_PLT32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_PLT32", /* name */
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"R_VAX_PLT32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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TRUE), /* pcrel_offset */
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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HOWTO (R_VAX_COPY, /* type */
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HOWTO (R_VAX_COPY, /* type */
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0, /* rightshift */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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0, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_COPY", /* name */
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"R_VAX_COPY", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_VAX_GLOB_DAT, /* type */
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HOWTO (R_VAX_GLOB_DAT, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_GLOB_DAT", /* name */
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"R_VAX_GLOB_DAT", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_VAX_JMP_SLOT, /* type */
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HOWTO (R_VAX_JMP_SLOT, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
|
0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_JMP_SLOT", /* name */
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"R_VAX_JMP_SLOT", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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HOWTO (R_VAX_RELATIVE, /* type */
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HOWTO (R_VAX_RELATIVE, /* type */
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0, /* rightshift */
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0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_VAX_RELATIVE", /* name */
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"R_VAX_RELATIVE", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
|
0, /* src_mask */
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0, /* src_mask */
|
0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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/* GNU extension to record C++ vtable hierarchy */
|
/* GNU extension to record C++ vtable hierarchy */
|
HOWTO (R_VAX_GNU_VTINHERIT, /* type */
|
HOWTO (R_VAX_GNU_VTINHERIT, /* type */
|
0, /* rightshift */
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0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
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FALSE, /* pc_relative */
|
0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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NULL, /* special_function */
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"R_VAX_GNU_VTINHERIT", /* name */
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"R_VAX_GNU_VTINHERIT", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable member usage */
|
/* GNU extension to record C++ vtable member usage */
|
HOWTO (R_VAX_GNU_VTENTRY, /* type */
|
HOWTO (R_VAX_GNU_VTENTRY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
"R_VAX_GNU_VTENTRY", /* name */
|
"R_VAX_GNU_VTENTRY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
};
|
};
|
|
|
static void
|
static void
|
rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
Elf_Internal_Rela *dst)
|
Elf_Internal_Rela *dst)
|
{
|
{
|
BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_VAX_max);
|
BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_VAX_max);
|
cache_ptr->howto = &howto_table[ELF32_R_TYPE(dst->r_info)];
|
cache_ptr->howto = &howto_table[ELF32_R_TYPE(dst->r_info)];
|
}
|
}
|
|
|
#define elf_info_to_howto rtype_to_howto
|
#define elf_info_to_howto rtype_to_howto
|
|
|
static const struct
|
static const struct
|
{
|
{
|
bfd_reloc_code_real_type bfd_val;
|
bfd_reloc_code_real_type bfd_val;
|
int elf_val;
|
int elf_val;
|
} reloc_map[] = {
|
} reloc_map[] = {
|
{ BFD_RELOC_NONE, R_VAX_NONE },
|
{ BFD_RELOC_NONE, R_VAX_NONE },
|
{ BFD_RELOC_32, R_VAX_32 },
|
{ BFD_RELOC_32, R_VAX_32 },
|
{ BFD_RELOC_16, R_VAX_16 },
|
{ BFD_RELOC_16, R_VAX_16 },
|
{ BFD_RELOC_8, R_VAX_8 },
|
{ BFD_RELOC_8, R_VAX_8 },
|
{ BFD_RELOC_32_PCREL, R_VAX_PC32 },
|
{ BFD_RELOC_32_PCREL, R_VAX_PC32 },
|
{ BFD_RELOC_16_PCREL, R_VAX_PC16 },
|
{ BFD_RELOC_16_PCREL, R_VAX_PC16 },
|
{ BFD_RELOC_8_PCREL, R_VAX_PC8 },
|
{ BFD_RELOC_8_PCREL, R_VAX_PC8 },
|
{ BFD_RELOC_32_GOT_PCREL, R_VAX_GOT32 },
|
{ BFD_RELOC_32_GOT_PCREL, R_VAX_GOT32 },
|
{ BFD_RELOC_32_PLT_PCREL, R_VAX_PLT32 },
|
{ BFD_RELOC_32_PLT_PCREL, R_VAX_PLT32 },
|
{ BFD_RELOC_NONE, R_VAX_COPY },
|
{ BFD_RELOC_NONE, R_VAX_COPY },
|
{ BFD_RELOC_VAX_GLOB_DAT, R_VAX_GLOB_DAT },
|
{ BFD_RELOC_VAX_GLOB_DAT, R_VAX_GLOB_DAT },
|
{ BFD_RELOC_VAX_JMP_SLOT, R_VAX_JMP_SLOT },
|
{ BFD_RELOC_VAX_JMP_SLOT, R_VAX_JMP_SLOT },
|
{ BFD_RELOC_VAX_RELATIVE, R_VAX_RELATIVE },
|
{ BFD_RELOC_VAX_RELATIVE, R_VAX_RELATIVE },
|
{ BFD_RELOC_CTOR, R_VAX_32 },
|
{ BFD_RELOC_CTOR, R_VAX_32 },
|
{ BFD_RELOC_VTABLE_INHERIT, R_VAX_GNU_VTINHERIT },
|
{ BFD_RELOC_VTABLE_INHERIT, R_VAX_GNU_VTINHERIT },
|
{ BFD_RELOC_VTABLE_ENTRY, R_VAX_GNU_VTENTRY },
|
{ BFD_RELOC_VTABLE_ENTRY, R_VAX_GNU_VTENTRY },
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
|
reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++)
|
for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++)
|
{
|
{
|
if (reloc_map[i].bfd_val == code)
|
if (reloc_map[i].bfd_val == code)
|
return &howto_table[reloc_map[i].elf_val];
|
return &howto_table[reloc_map[i].elf_val];
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++)
|
for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++)
|
if (howto_table[i].name != NULL
|
if (howto_table[i].name != NULL
|
&& strcasecmp (howto_table[i].name, r_name) == 0)
|
&& strcasecmp (howto_table[i].name, r_name) == 0)
|
return &howto_table[i];
|
return &howto_table[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
#define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup reloc_name_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup reloc_name_lookup
|
#define ELF_ARCH bfd_arch_vax
|
#define ELF_ARCH bfd_arch_vax
|
/* end code generated by elf.el */
|
/* end code generated by elf.el */
|
|
|
/* Functions for the VAX ELF linker. */
|
/* Functions for the VAX ELF linker. */
|
|
|
/* The name of the dynamic interpreter. This is put in the .interp
|
/* The name of the dynamic interpreter. This is put in the .interp
|
section. */
|
section. */
|
|
|
#define ELF_DYNAMIC_INTERPRETER "/usr/libexec/ld.elf_so"
|
#define ELF_DYNAMIC_INTERPRETER "/usr/libexec/ld.elf_so"
|
|
|
/* 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 PLT_ENTRY_SIZE 12
|
#define PLT_ENTRY_SIZE 12
|
|
|
/* The first entry in a procedure linkage table looks like this. See
|
/* The first entry in a procedure linkage table looks like this. See
|
the SVR4 ABI VAX supplement to see how this works. */
|
the SVR4 ABI VAX supplement to see how this works. */
|
|
|
static const bfd_byte elf_vax_plt0_entry[PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_vax_plt0_entry[PLT_ENTRY_SIZE] =
|
{
|
{
|
0xdd, 0xef, /* pushl l^ */
|
0xdd, 0xef, /* pushl l^ */
|
0, 0, 0, 0, /* offset to .plt.got + 4 */
|
0, 0, 0, 0, /* offset to .plt.got + 4 */
|
0x17, 0xff, /* jmp @L^(pc) */
|
0x17, 0xff, /* jmp @L^(pc) */
|
0, 0, 0, 0, /* offset to .plt.got + 8 */
|
0, 0, 0, 0, /* offset to .plt.got + 8 */
|
};
|
};
|
|
|
/* Subsequent entries in a procedure linkage table look like this. */
|
/* Subsequent entries in a procedure linkage table look like this. */
|
|
|
static const bfd_byte elf_vax_plt_entry[PLT_ENTRY_SIZE] =
|
static const bfd_byte elf_vax_plt_entry[PLT_ENTRY_SIZE] =
|
{
|
{
|
0xfc, 0x0f, /* .word ^M<r11:r2> */
|
0xfc, 0x0f, /* .word ^M<r11:r2> */
|
0x16, 0xef, /* jsb L^(pc) */
|
0x16, 0xef, /* jsb L^(pc) */
|
0, 0, 0, 0, /* replaced with offset to start of .plt */
|
0, 0, 0, 0, /* replaced with offset to start of .plt */
|
0, 0, 0, 0, /* index into .rela.plt */
|
0, 0, 0, 0, /* index into .rela.plt */
|
};
|
};
|
|
|
/* The VAX linker needs to keep track of the number of relocs that it
|
/* The VAX linker needs to keep track of the number of relocs that it
|
decides to copy in check_relocs for each symbol. This is so that it
|
decides to copy in check_relocs for each symbol. This is so that it
|
can discard PC relative relocs if it doesn't need them when linking
|
can discard PC relative relocs if it doesn't need them when linking
|
with -Bsymbolic. We store the information in a field extending the
|
with -Bsymbolic. We store the information in a field extending the
|
regular ELF linker hash table. */
|
regular ELF linker hash table. */
|
|
|
/* This structure keeps track of the number of PC relative relocs we have
|
/* This structure keeps track of the number of PC relative relocs we have
|
copied for a given symbol. */
|
copied for a given symbol. */
|
|
|
struct elf_vax_pcrel_relocs_copied
|
struct elf_vax_pcrel_relocs_copied
|
{
|
{
|
/* Next section. */
|
/* Next section. */
|
struct elf_vax_pcrel_relocs_copied *next;
|
struct elf_vax_pcrel_relocs_copied *next;
|
/* A section in dynobj. */
|
/* A section in dynobj. */
|
asection *section;
|
asection *section;
|
/* Number of relocs copied in this section. */
|
/* Number of relocs copied in this section. */
|
bfd_size_type count;
|
bfd_size_type count;
|
};
|
};
|
|
|
/* VAX ELF linker hash entry. */
|
/* VAX ELF linker hash entry. */
|
|
|
struct elf_vax_link_hash_entry
|
struct elf_vax_link_hash_entry
|
{
|
{
|
struct elf_link_hash_entry root;
|
struct elf_link_hash_entry root;
|
|
|
/* Number of PC relative relocs copied for this symbol. */
|
/* Number of PC relative relocs copied for this symbol. */
|
struct elf_vax_pcrel_relocs_copied *pcrel_relocs_copied;
|
struct elf_vax_pcrel_relocs_copied *pcrel_relocs_copied;
|
|
|
bfd_vma got_addend;
|
bfd_vma got_addend;
|
};
|
};
|
|
|
/* Declare this now that the above structures are defined. */
|
/* Declare this now that the above structures are defined. */
|
|
|
static bfd_boolean elf_vax_discard_copies (struct elf_vax_link_hash_entry *,
|
static bfd_boolean elf_vax_discard_copies (struct elf_vax_link_hash_entry *,
|
void *);
|
void *);
|
|
|
/* Declare this now that the above structures are defined. */
|
/* Declare this now that the above structures are defined. */
|
|
|
static bfd_boolean elf_vax_instantiate_got_entries (struct elf_link_hash_entry *,
|
static bfd_boolean elf_vax_instantiate_got_entries (struct elf_link_hash_entry *,
|
void *);
|
void *);
|
|
|
/* Traverse an VAX ELF linker hash table. */
|
/* Traverse an VAX ELF linker hash table. */
|
|
|
#define elf_vax_link_hash_traverse(table, func, info) \
|
#define elf_vax_link_hash_traverse(table, func, info) \
|
(elf_link_hash_traverse \
|
(elf_link_hash_traverse \
|
((table), \
|
((table), \
|
(bfd_boolean (*) (struct elf_link_hash_entry *, PTR)) (func), \
|
(bfd_boolean (*) (struct elf_link_hash_entry *, PTR)) (func), \
|
(info)))
|
(info)))
|
|
|
/* Create an entry in an VAX ELF linker hash table. */
|
/* Create an entry in an VAX ELF linker hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
elf_vax_link_hash_newfunc (struct bfd_hash_entry *entry,
|
elf_vax_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_vax_link_hash_entry *ret =
|
struct elf_vax_link_hash_entry *ret =
|
(struct elf_vax_link_hash_entry *) entry;
|
(struct elf_vax_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 == NULL)
|
if (ret == NULL)
|
ret = ((struct elf_vax_link_hash_entry *)
|
ret = ((struct elf_vax_link_hash_entry *)
|
bfd_hash_allocate (table,
|
bfd_hash_allocate (table,
|
sizeof (struct elf_vax_link_hash_entry)));
|
sizeof (struct elf_vax_link_hash_entry)));
|
if (ret == NULL)
|
if (ret == 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_vax_link_hash_entry *)
|
ret = ((struct elf_vax_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 != NULL)
|
if (ret != NULL)
|
{
|
{
|
ret->pcrel_relocs_copied = NULL;
|
ret->pcrel_relocs_copied = NULL;
|
}
|
}
|
|
|
return (struct bfd_hash_entry *) ret;
|
return (struct bfd_hash_entry *) ret;
|
}
|
}
|
|
|
/* Create an VAX ELF linker hash table. */
|
/* Create an VAX ELF linker hash table. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
elf_vax_link_hash_table_create (bfd *abfd)
|
elf_vax_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct elf_link_hash_table *ret;
|
struct elf_link_hash_table *ret;
|
bfd_size_type amt = sizeof (struct elf_link_hash_table);
|
bfd_size_type amt = sizeof (struct elf_link_hash_table);
|
|
|
ret = bfd_malloc (amt);
|
ret = bfd_malloc (amt);
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
|
|
if (!_bfd_elf_link_hash_table_init (ret, abfd,
|
if (!_bfd_elf_link_hash_table_init (ret, abfd,
|
elf_vax_link_hash_newfunc,
|
elf_vax_link_hash_newfunc,
|
sizeof (struct elf_vax_link_hash_entry),
|
sizeof (struct elf_vax_link_hash_entry),
|
GENERIC_ELF_DATA))
|
GENERIC_ELF_DATA))
|
{
|
{
|
free (ret);
|
free (ret);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
return &ret->root;
|
return &ret->root;
|
}
|
}
|
|
|
/* Keep vax-specific flags in the ELF header */
|
/* Keep vax-specific flags in the ELF header */
|
static bfd_boolean
|
static bfd_boolean
|
elf32_vax_set_private_flags (bfd *abfd, flagword flags)
|
elf32_vax_set_private_flags (bfd *abfd, flagword flags)
|
{
|
{
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_flags_init (abfd) = TRUE;
|
elf_flags_init (abfd) = TRUE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Merge backend specific data from an object file to the output
|
/* Merge backend specific data from an object file to the output
|
object file when linking. */
|
object file when linking. */
|
static bfd_boolean
|
static bfd_boolean
|
elf32_vax_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
elf32_vax_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
{
|
{
|
flagword out_flags;
|
flagword out_flags;
|
flagword in_flags;
|
flagword in_flags;
|
|
|
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
return TRUE;
|
return TRUE;
|
|
|
in_flags = elf_elfheader (ibfd)->e_flags;
|
in_flags = elf_elfheader (ibfd)->e_flags;
|
out_flags = elf_elfheader (obfd)->e_flags;
|
out_flags = elf_elfheader (obfd)->e_flags;
|
|
|
if (!elf_flags_init (obfd))
|
if (!elf_flags_init (obfd))
|
{
|
{
|
elf_flags_init (obfd) = TRUE;
|
elf_flags_init (obfd) = TRUE;
|
elf_elfheader (obfd)->e_flags = in_flags;
|
elf_elfheader (obfd)->e_flags = in_flags;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Display the flags field */
|
/* Display the flags field */
|
static bfd_boolean
|
static bfd_boolean
|
elf32_vax_print_private_bfd_data (bfd *abfd, PTR ptr)
|
elf32_vax_print_private_bfd_data (bfd *abfd, PTR ptr)
|
{
|
{
|
FILE *file = (FILE *) ptr;
|
FILE *file = (FILE *) ptr;
|
|
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
|
|
/* Print normal ELF private data. */
|
/* Print normal ELF private data. */
|
_bfd_elf_print_private_bfd_data (abfd, ptr);
|
_bfd_elf_print_private_bfd_data (abfd, ptr);
|
|
|
/* Ignore init flag - it may not be set, despite the flags field containing valid data. */
|
/* Ignore init flag - it may not be set, despite the flags field containing valid data. */
|
|
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
|
fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
|
|
|
if (elf_elfheader (abfd)->e_flags & EF_VAX_NONPIC)
|
if (elf_elfheader (abfd)->e_flags & EF_VAX_NONPIC)
|
fprintf (file, _(" [nonpic]"));
|
fprintf (file, _(" [nonpic]"));
|
|
|
if (elf_elfheader (abfd)->e_flags & EF_VAX_DFLOAT)
|
if (elf_elfheader (abfd)->e_flags & EF_VAX_DFLOAT)
|
fprintf (file, _(" [d-float]"));
|
fprintf (file, _(" [d-float]"));
|
|
|
if (elf_elfheader (abfd)->e_flags & EF_VAX_GFLOAT)
|
if (elf_elfheader (abfd)->e_flags & EF_VAX_GFLOAT)
|
fprintf (file, _(" [g-float]"));
|
fprintf (file, _(" [g-float]"));
|
|
|
fputc ('\n', file);
|
fputc ('\n', file);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
/* Look through the relocs for a section during the first phase, and
|
/* Look through the relocs for a section during the first phase, and
|
allocate space in the global offset table or procedure linkage
|
allocate space in the global offset table or procedure linkage
|
table. */
|
table. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
|
elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
|
const Elf_Internal_Rela *relocs)
|
const Elf_Internal_Rela *relocs)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel_end;
|
const Elf_Internal_Rela *rel_end;
|
asection *sgot;
|
asection *sgot;
|
asection *srelgot;
|
asection *srelgot;
|
asection *sreloc;
|
asection *sreloc;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
|
|
sgot = NULL;
|
sgot = NULL;
|
srelgot = NULL;
|
srelgot = NULL;
|
sreloc = NULL;
|
sreloc = NULL;
|
|
|
rel_end = relocs + sec->reloc_count;
|
rel_end = relocs + sec->reloc_count;
|
for (rel = relocs; rel < rel_end; rel++)
|
for (rel = relocs; rel < rel_end; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
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)
|
h = NULL;
|
h = NULL;
|
else
|
else
|
{
|
{
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
switch (ELF32_R_TYPE (rel->r_info))
|
{
|
{
|
case R_VAX_GOT32:
|
case R_VAX_GOT32:
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
if (h->forced_local
|
if (h->forced_local
|
|| h == elf_hash_table (info)->hgot
|
|| h == elf_hash_table (info)->hgot
|
|| h == elf_hash_table (info)->hplt)
|
|| h == elf_hash_table (info)->hplt)
|
break;
|
break;
|
|
|
/* If this is a local symbol, we resolve it directly without
|
/* If this is a local symbol, we resolve it directly without
|
creating a global offset table entry. */
|
creating a global offset table entry. */
|
if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
break;
|
break;
|
|
|
/* This symbol requires a global offset table entry. */
|
/* This symbol requires a global offset table entry. */
|
|
|
if (dynobj == NULL)
|
if (dynobj == NULL)
|
{
|
{
|
/* Create the .got section. */
|
/* Create the .got section. */
|
elf_hash_table (info)->dynobj = dynobj = abfd;
|
elf_hash_table (info)->dynobj = dynobj = abfd;
|
if (!_bfd_elf_create_got_section (dynobj, info))
|
if (!_bfd_elf_create_got_section (dynobj, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (sgot == NULL)
|
if (sgot == NULL)
|
{
|
{
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
BFD_ASSERT (sgot != NULL);
|
BFD_ASSERT (sgot != NULL);
|
}
|
}
|
|
|
if (srelgot == NULL
|
if (srelgot == NULL
|
&& (h != NULL || info->shared))
|
&& (h != NULL || info->shared))
|
{
|
{
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
if (srelgot == NULL)
|
if (srelgot == NULL)
|
{
|
{
|
srelgot = bfd_make_section_with_flags (dynobj,
|
srelgot = bfd_make_section_with_flags (dynobj,
|
".rela.got",
|
".rela.got",
|
(SEC_ALLOC
|
(SEC_ALLOC
|
| SEC_LOAD
|
| SEC_LOAD
|
| SEC_HAS_CONTENTS
|
| SEC_HAS_CONTENTS
|
| SEC_IN_MEMORY
|
| SEC_IN_MEMORY
|
| SEC_LINKER_CREATED
|
| SEC_LINKER_CREATED
|
| SEC_READONLY));
|
| SEC_READONLY));
|
if (srelgot == NULL
|
if (srelgot == NULL
|
|| !bfd_set_section_alignment (dynobj, srelgot, 2))
|
|| !bfd_set_section_alignment (dynobj, srelgot, 2))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct elf_vax_link_hash_entry *eh;
|
struct elf_vax_link_hash_entry *eh;
|
|
|
eh = (struct elf_vax_link_hash_entry *) h;
|
eh = (struct elf_vax_link_hash_entry *) h;
|
if (h->got.refcount == -1)
|
if (h->got.refcount == -1)
|
{
|
{
|
h->got.refcount = 1;
|
h->got.refcount = 1;
|
eh->got_addend = rel->r_addend;
|
eh->got_addend = rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
h->got.refcount++;
|
h->got.refcount++;
|
if (eh->got_addend != (bfd_vma) rel->r_addend)
|
if (eh->got_addend != (bfd_vma) rel->r_addend)
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: warning: GOT addend of %ld to `%s' does"
|
(_("%s: warning: GOT addend of %ld to `%s' does"
|
" not match previous GOT addend of %ld"),
|
" not match previous GOT addend of %ld"),
|
bfd_get_filename (abfd), rel->r_addend,
|
bfd_get_filename (abfd), rel->r_addend,
|
h->root.root.string,
|
h->root.root.string,
|
eh->got_addend);
|
eh->got_addend);
|
|
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_VAX_PLT32:
|
case R_VAX_PLT32:
|
/* 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. */
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT || h->forced_local)
|
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT || h->forced_local)
|
break;
|
break;
|
|
|
h->needs_plt = 1;
|
h->needs_plt = 1;
|
if (h->plt.refcount == -1)
|
if (h->plt.refcount == -1)
|
h->plt.refcount = 1;
|
h->plt.refcount = 1;
|
else
|
else
|
h->plt.refcount++;
|
h->plt.refcount++;
|
break;
|
break;
|
|
|
case R_VAX_PC8:
|
case R_VAX_PC8:
|
case R_VAX_PC16:
|
case R_VAX_PC16:
|
case R_VAX_PC32:
|
case R_VAX_PC32:
|
/* If we are creating a shared library and this is not a local
|
/* If we are creating a shared library and this is not a local
|
symbol, we need to copy the reloc into the shared library.
|
symbol, we need to copy the reloc into the shared library.
|
However when linking with -Bsymbolic and this is a global
|
However when linking with -Bsymbolic and this is a global
|
symbol which is defined in an object we are including in the
|
symbol which is defined in an object we are including in the
|
link (i.e., DEF_REGULAR is set), then we can resolve the
|
link (i.e., DEF_REGULAR is set), then we can resolve the
|
reloc directly. At this point we have not seen all the input
|
reloc directly. At this point we have not seen all the input
|
files, so it is possible that DEF_REGULAR is not set now but
|
files, so it is possible that DEF_REGULAR is not set now but
|
will be set later (it is never cleared). We account for that
|
will be set later (it is never cleared). We account for that
|
possibility below by storing information in the
|
possibility below by storing information in the
|
pcrel_relocs_copied field of the hash table entry. */
|
pcrel_relocs_copied field of the hash table entry. */
|
if (!(info->shared
|
if (!(info->shared
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& h != NULL
|
&& h != NULL
|
&& (!info->symbolic
|
&& (!info->symbolic
|
|| !h->def_regular)))
|
|| !h->def_regular)))
|
{
|
{
|
if (h != NULL
|
if (h != NULL
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
&& !h->forced_local)
|
&& !h->forced_local)
|
{
|
{
|
/* Make sure a plt entry is created for this symbol if
|
/* Make sure a plt entry is created for this symbol if
|
it turns out to be a function defined by a dynamic
|
it turns out to be a function defined by a dynamic
|
object. */
|
object. */
|
if (h->plt.refcount == -1)
|
if (h->plt.refcount == -1)
|
h->plt.refcount = 1;
|
h->plt.refcount = 1;
|
else
|
else
|
h->plt.refcount++;
|
h->plt.refcount++;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
/* If this is a local symbol, we can resolve it directly. */
|
/* If this is a local symbol, we can resolve it directly. */
|
if (h != NULL
|
if (h != NULL
|
&& (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
&& (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| h->forced_local))
|
|| h->forced_local))
|
break;
|
break;
|
|
|
/* Fall through. */
|
/* Fall through. */
|
case R_VAX_8:
|
case R_VAX_8:
|
case R_VAX_16:
|
case R_VAX_16:
|
case R_VAX_32:
|
case R_VAX_32:
|
if (h != NULL && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
if (h != NULL && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
{
|
{
|
/* Make sure a plt entry is created for this symbol if it
|
/* Make sure a plt entry is created for this symbol if it
|
turns out to be a function defined by a dynamic object. */
|
turns out to be a function defined by a dynamic object. */
|
if (h->plt.refcount == -1)
|
if (h->plt.refcount == -1)
|
h->plt.refcount = 1;
|
h->plt.refcount = 1;
|
else
|
else
|
h->plt.refcount++;
|
h->plt.refcount++;
|
}
|
}
|
|
|
/* If we are creating a shared library, we need to copy the
|
/* If we are creating a shared library, we need to copy the
|
reloc into the shared library. */
|
reloc into the shared library. */
|
if (info->shared
|
if (info->shared
|
&& (sec->flags & SEC_ALLOC) != 0)
|
&& (sec->flags & SEC_ALLOC) != 0)
|
{
|
{
|
/* 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, dynobj, 2, abfd, /*rela?*/ TRUE);
|
(sec, dynobj, 2, abfd, /*rela?*/ TRUE);
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (sec->flags & SEC_READONLY)
|
if (sec->flags & SEC_READONLY)
|
info->flags |= DF_TEXTREL;
|
info->flags |= DF_TEXTREL;
|
}
|
}
|
|
|
sreloc->size += sizeof (Elf32_External_Rela);
|
sreloc->size += sizeof (Elf32_External_Rela);
|
|
|
/* If we are linking with -Bsymbolic, we count the number of
|
/* If we are linking with -Bsymbolic, we count the number of
|
PC relative relocations we have entered for this symbol,
|
PC relative relocations we have entered for this symbol,
|
so that we can discard them again if the symbol is later
|
so that we can discard them again if the symbol is later
|
defined by a regular object. Note that this function is
|
defined by a regular object. Note that this function is
|
only called if we are using a vaxelf linker hash table,
|
only called if we are using a vaxelf linker hash table,
|
which means that h is really a pointer to an
|
which means that h is really a pointer to an
|
elf_vax_link_hash_entry. */
|
elf_vax_link_hash_entry. */
|
if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8
|
if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8
|
|| ELF32_R_TYPE (rel->r_info) == R_VAX_PC16
|
|| ELF32_R_TYPE (rel->r_info) == R_VAX_PC16
|
|| ELF32_R_TYPE (rel->r_info) == R_VAX_PC32)
|
|| ELF32_R_TYPE (rel->r_info) == R_VAX_PC32)
|
&& info->symbolic)
|
&& info->symbolic)
|
{
|
{
|
struct elf_vax_link_hash_entry *eh;
|
struct elf_vax_link_hash_entry *eh;
|
struct elf_vax_pcrel_relocs_copied *p;
|
struct elf_vax_pcrel_relocs_copied *p;
|
|
|
eh = (struct elf_vax_link_hash_entry *) h;
|
eh = (struct elf_vax_link_hash_entry *) h;
|
|
|
for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
|
for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
|
if (p->section == sreloc)
|
if (p->section == sreloc)
|
break;
|
break;
|
|
|
if (p == NULL)
|
if (p == NULL)
|
{
|
{
|
p = ((struct elf_vax_pcrel_relocs_copied *)
|
p = ((struct elf_vax_pcrel_relocs_copied *)
|
bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
|
bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
|
if (p == NULL)
|
if (p == NULL)
|
return FALSE;
|
return FALSE;
|
p->next = eh->pcrel_relocs_copied;
|
p->next = eh->pcrel_relocs_copied;
|
eh->pcrel_relocs_copied = p;
|
eh->pcrel_relocs_copied = p;
|
p->section = sreloc;
|
p->section = sreloc;
|
p->count = 0;
|
p->count = 0;
|
}
|
}
|
|
|
++p->count;
|
++p->count;
|
}
|
}
|
}
|
}
|
|
|
break;
|
break;
|
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
/* This relocation describes the C++ object vtable hierarchy.
|
Reconstruct it for later use during GC. */
|
Reconstruct it for later use during GC. */
|
case R_VAX_GNU_VTINHERIT:
|
case R_VAX_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_VAX_GNU_VTENTRY:
|
case R_VAX_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;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Return the section that should be marked against GC for a given
|
/* Return the section that should be marked against GC for a given
|
relocation. */
|
relocation. */
|
|
|
static asection *
|
static asection *
|
elf_vax_gc_mark_hook (asection *sec,
|
elf_vax_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_VAX_GNU_VTINHERIT:
|
case R_VAX_GNU_VTINHERIT:
|
case R_VAX_GNU_VTENTRY:
|
case R_VAX_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
|
elf_vax_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, asection *sec,
|
elf_vax_gc_sweep_hook (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;
|
const Elf_Internal_Rela *rel, *relend;
|
const Elf_Internal_Rela *rel, *relend;
|
bfd *dynobj;
|
bfd *dynobj;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
if (dynobj == NULL)
|
if (dynobj == NULL)
|
return TRUE;
|
return TRUE;
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (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;
|
struct elf_link_hash_entry *h = NULL;
|
struct elf_link_hash_entry *h = NULL;
|
|
|
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)
|
{
|
{
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
switch (ELF32_R_TYPE (rel->r_info))
|
{
|
{
|
case R_VAX_GOT32:
|
case R_VAX_GOT32:
|
if (h != NULL && h->got.refcount > 0)
|
if (h != NULL && h->got.refcount > 0)
|
--h->got.refcount;
|
--h->got.refcount;
|
break;
|
break;
|
|
|
case R_VAX_PLT32:
|
case R_VAX_PLT32:
|
case R_VAX_PC8:
|
case R_VAX_PC8:
|
case R_VAX_PC16:
|
case R_VAX_PC16:
|
case R_VAX_PC32:
|
case R_VAX_PC32:
|
case R_VAX_8:
|
case R_VAX_8:
|
case R_VAX_16:
|
case R_VAX_16:
|
case R_VAX_32:
|
case R_VAX_32:
|
if (h != NULL && h->plt.refcount > 0)
|
if (h != NULL && h->plt.refcount > 0)
|
--h->plt.refcount;
|
--h->plt.refcount;
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
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
|
elf_vax_adjust_dynamic_symbol (info, h)
|
elf_vax_adjust_dynamic_symbol (info, h)
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *s;
|
asection *s;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
|
|
/* Make sure we know what is going on here. */
|
/* Make sure we know what is going on here. */
|
BFD_ASSERT (dynobj != NULL
|
BFD_ASSERT (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 (! info->shared
|
if (! info->shared
|
&& !h->def_dynamic
|
&& !h->def_dynamic
|
&& !h->ref_dynamic
|
&& !h->ref_dynamic
|
/* We must always create the plt entry if it was referenced
|
/* We must always create the plt entry if it was referenced
|
by a PLTxxO relocation. In this case we already recorded
|
by a PLTxxO relocation. In this case we already recorded
|
it as a dynamic symbol. */
|
it as a dynamic symbol. */
|
&& h->dynindx == -1)
|
&& h->dynindx == -1)
|
{
|
{
|
/* This case can occur if we saw a PLTxx reloc in an input
|
/* This case can occur if we saw a PLTxx 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 PCxx
|
a procedure linkage table, and we can just do a PCxx
|
reloc instead. */
|
reloc instead. */
|
BFD_ASSERT (h->needs_plt);
|
BFD_ASSERT (h->needs_plt);
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* GC may have rendered this entry unused. */
|
/* GC may have rendered this entry unused. */
|
if (h->plt.refcount <= 0)
|
if (h->plt.refcount <= 0)
|
{
|
{
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Make sure this symbol is output as a dynamic symbol. */
|
/* Make sure this symbol is output as a dynamic symbol. */
|
if (h->dynindx == -1)
|
if (h->dynindx == -1)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
s = bfd_get_section_by_name (dynobj, ".plt");
|
s = bfd_get_section_by_name (dynobj, ".plt");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
/* 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 += PLT_ENTRY_SIZE;
|
s->size += PLT_ENTRY_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 = s->size;
|
h->root.u.def.value = s->size;
|
}
|
}
|
|
|
h->plt.offset = s->size;
|
h->plt.offset = s->size;
|
|
|
/* Make room for this entry. */
|
/* Make room for this entry. */
|
s->size += PLT_ENTRY_SIZE;
|
s->size += PLT_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. */
|
|
|
s = bfd_get_section_by_name (dynobj, ".got.plt");
|
s = bfd_get_section_by_name (dynobj, ".got.plt");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
s->size += 4;
|
s->size += 4;
|
|
|
/* We also need to make an entry in the .rela.plt section. */
|
/* We also need to make an entry in the .rela.plt section. */
|
|
|
s = bfd_get_section_by_name (dynobj, ".rela.plt");
|
s = bfd_get_section_by_name (dynobj, ".rela.plt");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
s->size += sizeof (Elf32_External_Rela);
|
s->size += sizeof (Elf32_External_Rela);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Reinitialize the plt offset now that it is not used as a reference
|
/* Reinitialize the plt offset now that it is not used as a reference
|
count any more. */
|
count any more. */
|
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;
|
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 (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 = bfd_get_section_by_name (dynobj, ".dynbss");
|
s = bfd_get_section_by_name (dynobj, ".dynbss");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
/* We must generate a R_VAX_COPY reloc to tell the dynamic linker to
|
/* We must generate a R_VAX_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 = bfd_get_section_by_name (dynobj, ".rela.bss");
|
srel = bfd_get_section_by_name (dynobj, ".rela.bss");
|
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);
|
}
|
}
|
|
|
/* Set the sizes of the dynamic sections. */
|
/* Set the sizes of the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *s;
|
asection *s;
|
bfd_boolean plt;
|
bfd_boolean plt;
|
bfd_boolean relocs;
|
bfd_boolean relocs;
|
bfd_boolean reltext;
|
bfd_boolean reltext;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
BFD_ASSERT (dynobj != NULL);
|
BFD_ASSERT (dynobj != NULL);
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->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;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We may have created entries in the .rela.got and .got sections.
|
/* We may have created entries in the .rela.got and .got sections.
|
However, if we are not creating the dynamic sections, we will
|
However, if we are not creating the dynamic sections, we will
|
not actually use these entries. Reset the size of .rela.got
|
not actually use these entries. Reset the size of .rela.got
|
and .got, which will cause it to get stripped from the output
|
and .got, which will cause it to get stripped from the output
|
file below. */
|
file below. */
|
s = bfd_get_section_by_name (dynobj, ".rela.got");
|
s = bfd_get_section_by_name (dynobj, ".rela.got");
|
if (s != NULL)
|
if (s != NULL)
|
s->size = 0;
|
s->size = 0;
|
s = bfd_get_section_by_name (dynobj, ".got.plt");
|
s = bfd_get_section_by_name (dynobj, ".got.plt");
|
if (s != NULL)
|
if (s != NULL)
|
s->size = 0;
|
s->size = 0;
|
s = bfd_get_section_by_name (dynobj, ".got");
|
s = bfd_get_section_by_name (dynobj, ".got");
|
if (s != NULL)
|
if (s != NULL)
|
s->size = 0;
|
s->size = 0;
|
}
|
}
|
|
|
/* If this is a -Bsymbolic shared link, then we need to discard all PC
|
/* If this is a -Bsymbolic shared link, then we need to discard all PC
|
relative relocs against symbols defined in a regular object. We
|
relative relocs against symbols defined in a regular object. We
|
allocated space for them in the check_relocs routine, but we will not
|
allocated space for them in the check_relocs routine, but we will not
|
fill them in in the relocate_section routine. */
|
fill them in in the relocate_section routine. */
|
if (info->shared && info->symbolic)
|
if (info->shared && info->symbolic)
|
elf_vax_link_hash_traverse (elf_hash_table (info),
|
elf_vax_link_hash_traverse (elf_hash_table (info),
|
elf_vax_discard_copies,
|
elf_vax_discard_copies,
|
NULL);
|
NULL);
|
|
|
/* If this is a -Bsymbolic shared link or a static link, we need to
|
/* If this is a -Bsymbolic shared link or a static link, we need to
|
discard all the got entries we've recorded. Otherwise, we need to
|
discard all the got entries we've recorded. Otherwise, we need to
|
instantiate (allocate space for them). */
|
instantiate (allocate space for them). */
|
elf_link_hash_traverse (elf_hash_table (info),
|
elf_link_hash_traverse (elf_hash_table (info),
|
elf_vax_instantiate_got_entries,
|
elf_vax_instantiate_got_entries,
|
(PTR) info);
|
(PTR) info);
|
|
|
/* The check_relocs and adjust_dynamic_symbol entry points have
|
/* The check_relocs and adjust_dynamic_symbol entry points have
|
determined the sizes of the various dynamic sections. Allocate
|
determined the sizes of the various dynamic sections. Allocate
|
memory for them. */
|
memory for them. */
|
plt = FALSE;
|
plt = FALSE;
|
relocs = FALSE;
|
relocs = FALSE;
|
reltext = FALSE;
|
reltext = FALSE;
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
continue;
|
continue;
|
|
|
/* It's OK to base decisions on the section name, because none
|
/* It's OK to base decisions on the section name, because none
|
of the dynobj section names depend upon the input files. */
|
of the dynobj section names depend upon the input files. */
|
name = bfd_get_section_name (dynobj, s);
|
name = bfd_get_section_name (dynobj, s);
|
|
|
if (strcmp (name, ".plt") == 0)
|
if (strcmp (name, ".plt") == 0)
|
{
|
{
|
/* Remember whether there is a PLT. */
|
/* Remember whether there is a PLT. */
|
plt = s->size != 0;
|
plt = s->size != 0;
|
}
|
}
|
else if (CONST_STRNEQ (name, ".rela"))
|
else if (CONST_STRNEQ (name, ".rela"))
|
{
|
{
|
if (s->size != 0)
|
if (s->size != 0)
|
{
|
{
|
asection *target;
|
asection *target;
|
|
|
/* Remember whether there are any reloc sections other
|
/* Remember whether there are any reloc sections other
|
than .rela.plt. */
|
than .rela.plt. */
|
if (strcmp (name, ".rela.plt") != 0)
|
if (strcmp (name, ".rela.plt") != 0)
|
{
|
{
|
const char *outname;
|
const char *outname;
|
|
|
relocs = TRUE;
|
relocs = TRUE;
|
|
|
/* If this relocation section applies to a read only
|
/* If this relocation section applies to a read only
|
section, then we probably need a DT_TEXTREL
|
section, then we probably need a DT_TEXTREL
|
entry. .rela.plt is actually associated with
|
entry. .rela.plt is actually associated with
|
.got.plt, which is never readonly. */
|
.got.plt, which is never readonly. */
|
outname = bfd_get_section_name (output_bfd,
|
outname = bfd_get_section_name (output_bfd,
|
s->output_section);
|
s->output_section);
|
target = bfd_get_section_by_name (output_bfd, outname + 5);
|
target = bfd_get_section_by_name (output_bfd, outname + 5);
|
if (target != NULL
|
if (target != NULL
|
&& (target->flags & SEC_READONLY) != 0
|
&& (target->flags & SEC_READONLY) != 0
|
&& (target->flags & SEC_ALLOC) != 0)
|
&& (target->flags & SEC_ALLOC) != 0)
|
reltext = TRUE;
|
reltext = 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 if (! CONST_STRNEQ (name, ".got")
|
else if (! CONST_STRNEQ (name, ".got")
|
&& strcmp (name, ".dynbss") != 0)
|
&& strcmp (name, ".dynbss") != 0)
|
{
|
{
|
/* 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. */
|
/* Allocate memory for the section contents. */
|
s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size);
|
s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->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 elf_vax_finish_dynamic_sections, but we
|
values later, in elf_vax_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->shared)
|
if (!info->shared)
|
{
|
{
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (plt)
|
if (plt)
|
{
|
{
|
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, sizeof (Elf32_External_Rela)))
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (reltext || (info->flags & DF_TEXTREL) != 0)
|
if (reltext || (info->flags & DF_TEXTREL) != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
#undef add_dynamic_entry
|
#undef add_dynamic_entry
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This function is called via elf_vax_link_hash_traverse if we are
|
/* This function is called via elf_vax_link_hash_traverse if we are
|
creating a shared object with -Bsymbolic. It discards the space
|
creating a shared object with -Bsymbolic. It discards the space
|
allocated to copy PC relative relocs against symbols which are defined
|
allocated to copy PC relative relocs against symbols which are defined
|
in regular objects. We allocated space for them in the check_relocs
|
in regular objects. We allocated space for them in the check_relocs
|
routine, but we won't fill them in in the relocate_section routine. */
|
routine, but we won't fill them in in the relocate_section routine. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf_vax_discard_copies (struct elf_vax_link_hash_entry *h,
|
elf_vax_discard_copies (struct elf_vax_link_hash_entry *h,
|
PTR ignore ATTRIBUTE_UNUSED)
|
PTR ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
struct elf_vax_pcrel_relocs_copied *s;
|
struct elf_vax_pcrel_relocs_copied *s;
|
|
|
if (h->root.root.type == bfd_link_hash_warning)
|
if (h->root.root.type == bfd_link_hash_warning)
|
h = (struct elf_vax_link_hash_entry *) h->root.root.u.i.link;
|
h = (struct elf_vax_link_hash_entry *) h->root.root.u.i.link;
|
|
|
/* We only discard relocs for symbols defined in a regular object. */
|
/* We only discard relocs for symbols defined in a regular object. */
|
if (!h->root.def_regular)
|
if (!h->root.def_regular)
|
return TRUE;
|
return TRUE;
|
|
|
for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
|
for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
|
s->section->size -= s->count * sizeof (Elf32_External_Rela);
|
s->section->size -= s->count * sizeof (Elf32_External_Rela);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This function is called via elf_link_hash_traverse. It looks for entries
|
/* This function is called via elf_link_hash_traverse. It looks for entries
|
that have GOT or PLT (.GOT) references. If creating a static object or a
|
that have GOT or PLT (.GOT) references. If creating a static object or a
|
shared object with -Bsymbolic, it resets the reference count back to 0
|
shared object with -Bsymbolic, it resets the reference count back to 0
|
and sets the offset to -1 so normal PC32 relocation will be done. If
|
and sets the offset to -1 so normal PC32 relocation will be done. If
|
creating a shared object or executable, space in the .got and .rela.got
|
creating a shared object or executable, space in the .got and .rela.got
|
will be reserved for the symbol. */
|
will be reserved for the symbol. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, PTR infoptr)
|
elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, PTR infoptr)
|
{
|
{
|
struct bfd_link_info *info = (struct bfd_link_info *) infoptr;
|
struct bfd_link_info *info = (struct bfd_link_info *) infoptr;
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *sgot;
|
asection *sgot;
|
asection *srelgot;
|
asection *srelgot;
|
|
|
/* We don't care about non-GOT (and non-PLT) entries. */
|
/* We don't care about non-GOT (and non-PLT) entries. */
|
if (h->got.refcount <= 0 && h->plt.refcount <= 0)
|
if (h->got.refcount <= 0 && h->plt.refcount <= 0)
|
return TRUE;
|
return TRUE;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
if (dynobj == NULL)
|
if (dynobj == NULL)
|
return TRUE;
|
return TRUE;
|
|
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
|
|
if (!elf_hash_table (info)->dynamic_sections_created
|
if (!elf_hash_table (info)->dynamic_sections_created
|
|| (info->shared && info->symbolic)
|
|| (info->shared && info->symbolic)
|
|| h->forced_local)
|
|| h->forced_local)
|
{
|
{
|
h->got.refcount = 0;
|
h->got.refcount = 0;
|
h->got.offset = (bfd_vma) -1;
|
h->got.offset = (bfd_vma) -1;
|
h->plt.refcount = 0;
|
h->plt.refcount = 0;
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
}
|
}
|
else if (h->got.refcount > 0)
|
else if (h->got.refcount > 0)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
|
|
/* Make sure this symbol is output as a dynamic symbol. */
|
/* Make sure this symbol is output as a dynamic symbol. */
|
if (h->dynindx == -1)
|
if (h->dynindx == -1)
|
{
|
{
|
if (!bfd_elf_link_record_dynamic_symbol (info, h))
|
if (!bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
dyn = elf_hash_table (info)->dynamic_sections_created;
|
dyn = elf_hash_table (info)->dynamic_sections_created;
|
/* Allocate space in the .got and .rela.got sections. */
|
/* Allocate space in the .got and .rela.got sections. */
|
if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
&& (info->shared
|
&& (info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
|
{
|
{
|
sgot->size += 4;
|
sgot->size += 4;
|
srelgot->size += sizeof (Elf32_External_Rela);
|
srelgot->size += sizeof (Elf32_External_Rela);
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Relocate an VAX ELF section. */
|
/* Relocate an VAX ELF section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf_vax_relocate_section (bfd *output_bfd,
|
elf_vax_relocate_section (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd *input_bfd,
|
bfd *input_bfd,
|
asection *input_section,
|
asection *input_section,
|
bfd_byte *contents,
|
bfd_byte *contents,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Sym *local_syms,
|
Elf_Internal_Sym *local_syms,
|
asection **local_sections)
|
asection **local_sections)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
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_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
bfd_vma plt_index;
|
bfd_vma plt_index;
|
bfd_vma got_offset;
|
bfd_vma got_offset;
|
asection *sgot;
|
asection *sgot;
|
asection *splt;
|
asection *splt;
|
asection *sgotplt;
|
asection *sgotplt;
|
asection *sreloc;
|
asection *sreloc;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *relend;
|
Elf_Internal_Rela *relend;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
sym_hashes = elf_sym_hashes (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
|
|
sgot = NULL;
|
sgot = NULL;
|
splt = NULL;
|
splt = NULL;
|
sgotplt = NULL;
|
sgotplt = NULL;
|
sreloc = NULL;
|
sreloc = NULL;
|
|
|
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;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
if (r_type < 0 || r_type >= (int) R_VAX_max)
|
if (r_type < 0 || r_type >= (int) R_VAX_max)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
howto = howto_table + r_type;
|
howto = howto_table + r_type;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
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 = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_boolean unresolved_reloc;
|
bfd_boolean unresolved_reloc;
|
bfd_boolean warned;
|
bfd_boolean warned;
|
|
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
r_symndx, symtab_hdr, sym_hashes,
|
r_symndx, symtab_hdr, sym_hashes,
|
h, sec, relocation,
|
h, sec, relocation,
|
unresolved_reloc, warned);
|
unresolved_reloc, warned);
|
|
|
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)
|
&& ((r_type == R_VAX_PLT32
|
&& ((r_type == R_VAX_PLT32
|
&& h->plt.offset != (bfd_vma) -1
|
&& h->plt.offset != (bfd_vma) -1
|
&& !h->forced_local
|
&& !h->forced_local
|
&& elf_hash_table (info)->dynamic_sections_created)
|
&& elf_hash_table (info)->dynamic_sections_created)
|
|| (r_type == R_VAX_GOT32
|
|| (r_type == R_VAX_GOT32
|
&& h->got.offset != (bfd_vma) -1
|
&& h->got.offset != (bfd_vma) -1
|
&& !h->forced_local
|
&& !h->forced_local
|
&& elf_hash_table (info)->dynamic_sections_created
|
&& elf_hash_table (info)->dynamic_sections_created
|
&& (! info->shared
|
&& (! info->shared
|
|| (! info->symbolic && h->dynindx != -1)
|
|| (! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular))
|
|| !h->def_regular))
|
|| (info->shared
|
|| (info->shared
|
&& ((! info->symbolic && h->dynindx != -1)
|
&& ((! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular)
|
|| !h->def_regular)
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
/* DWARF will emit R_VAX_32 relocations in its
|
/* DWARF will emit R_VAX_32 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))
|
&& (r_type == R_VAX_8
|
&& (r_type == R_VAX_8
|
|| r_type == R_VAX_16
|
|| r_type == R_VAX_16
|
|| r_type == R_VAX_32))))
|
|| r_type == R_VAX_32))))
|
/* In these cases, we don't need the relocation
|
/* In these cases, we don't need the relocation
|
value. We check specially because in some
|
value. We check specially because in some
|
obscure cases sec->output_section will be NULL. */
|
obscure cases sec->output_section will be NULL. */
|
relocation = 0;
|
relocation = 0;
|
}
|
}
|
|
|
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 (r_type)
|
switch (r_type)
|
{
|
{
|
case R_VAX_GOT32:
|
case R_VAX_GOT32:
|
/* Relocation is to the address of the entry for this symbol
|
/* Relocation is to the address of the entry for this symbol
|
in the global offset table. */
|
in the global offset table. */
|
if (h == NULL
|
if (h == NULL
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| h->got.offset == (bfd_vma) -1
|
|| h->got.offset == (bfd_vma) -1
|
|| h->forced_local)
|
|| h->forced_local)
|
break;
|
break;
|
|
|
/* Relocation is the offset of the entry for this symbol in
|
/* Relocation is the offset of the entry for this symbol in
|
the global offset table. */
|
the global offset table. */
|
|
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
bfd_vma off;
|
bfd_vma off;
|
|
|
if (sgot == NULL)
|
if (sgot == NULL)
|
{
|
{
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
BFD_ASSERT (sgot != NULL);
|
BFD_ASSERT (sgot != NULL);
|
}
|
}
|
|
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
off = h->got.offset;
|
off = h->got.offset;
|
BFD_ASSERT (off != (bfd_vma) -1);
|
BFD_ASSERT (off != (bfd_vma) -1);
|
BFD_ASSERT (off < sgot->size);
|
BFD_ASSERT (off < sgot->size);
|
|
|
dyn = elf_hash_table (info)->dynamic_sections_created;
|
dyn = elf_hash_table (info)->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)))
|
{
|
{
|
/* The symbol was forced to be local
|
/* 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
|
this entry in the global offset table. Since
|
the offset must always be a multiple of 4, we
|
the offset must always be a multiple of 4, we
|
use the least significant bit to record whether
|
use the least significant bit to record whether
|
we have initialized it already.
|
we have 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 + rel->r_addend,
|
bfd_put_32 (output_bfd, relocation + rel->r_addend,
|
sgot->contents + off);
|
sgot->contents + off);
|
h->got.offset |= 1;
|
h->got.offset |= 1;
|
}
|
}
|
} else {
|
} else {
|
bfd_put_32 (output_bfd, rel->r_addend, sgot->contents + off);
|
bfd_put_32 (output_bfd, rel->r_addend, sgot->contents + off);
|
}
|
}
|
|
|
relocation = sgot->output_offset + off;
|
relocation = sgot->output_offset + off;
|
/* The GOT relocation uses the addend. */
|
/* The GOT relocation uses the addend. */
|
rel->r_addend = 0;
|
rel->r_addend = 0;
|
|
|
/* Change the reference to be indirect. */
|
/* Change the reference to be indirect. */
|
contents[rel->r_offset - 1] |= 0x10;
|
contents[rel->r_offset - 1] |= 0x10;
|
relocation += sgot->output_section->vma;
|
relocation += sgot->output_section->vma;
|
}
|
}
|
break;
|
break;
|
|
|
case R_VAX_PC32:
|
case R_VAX_PC32:
|
/* If we are creating an executable and the function this
|
/* If we are creating an executable and the function this
|
reloc refers to is in a shared lib, then we made a PLT
|
reloc refers to is in a shared lib, then we made a PLT
|
entry for this symbol and need to handle the reloc like
|
entry for this symbol and need to handle the reloc like
|
a PLT reloc. */
|
a PLT reloc. */
|
if (info->shared)
|
if (info->shared)
|
goto r_vax_pc32_shared;
|
goto r_vax_pc32_shared;
|
/* Fall through. */
|
/* Fall through. */
|
case R_VAX_PLT32:
|
case R_VAX_PLT32:
|
/* 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 PLTxx reloc against a local symbol directly,
|
/* Resolve a PLTxx reloc against a local symbol directly,
|
without using the procedure linkage table. */
|
without using the procedure linkage table. */
|
if (h == NULL
|
if (h == NULL
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| h->forced_local)
|
|| h->forced_local)
|
break;
|
break;
|
|
|
if (h->plt.offset == (bfd_vma) -1
|
if (h->plt.offset == (bfd_vma) -1
|
|| !elf_hash_table (info)->dynamic_sections_created)
|
|| !elf_hash_table (info)->dynamic_sections_created)
|
{
|
{
|
/* 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. */
|
break;
|
break;
|
}
|
}
|
|
|
if (splt == NULL)
|
if (splt == NULL)
|
{
|
{
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
BFD_ASSERT (splt != NULL);
|
BFD_ASSERT (splt != NULL);
|
}
|
}
|
|
|
if (sgotplt == NULL)
|
if (sgotplt == NULL)
|
{
|
{
|
sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
|
sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
|
BFD_ASSERT (sgotplt != NULL);
|
BFD_ASSERT (sgotplt != NULL);
|
}
|
}
|
|
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
|
|
|
/* 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 two are reserved. */
|
The first two are reserved. */
|
got_offset = (plt_index + 3) * 4;
|
got_offset = (plt_index + 3) * 4;
|
|
|
/* We want the relocation to point into the .got.plt instead
|
/* We want the relocation to point into the .got.plt instead
|
of the plt itself. */
|
of the plt itself. */
|
relocation = (sgotplt->output_section->vma
|
relocation = (sgotplt->output_section->vma
|
+ sgotplt->output_offset
|
+ sgotplt->output_offset
|
+ got_offset);
|
+ got_offset);
|
contents[rel->r_offset-1] |= 0x10; /* make indirect */
|
contents[rel->r_offset-1] |= 0x10; /* make indirect */
|
if (rel->r_addend == 2)
|
if (rel->r_addend == 2)
|
{
|
{
|
h->plt.offset |= 1;
|
h->plt.offset |= 1;
|
}
|
}
|
else if (rel->r_addend != 0)
|
else if (rel->r_addend != 0)
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: warning: PLT addend of %d to `%s' from %s section ignored"),
|
(_("%s: warning: PLT addend of %d to `%s' from %s section ignored"),
|
bfd_get_filename (input_bfd), rel->r_addend,
|
bfd_get_filename (input_bfd), rel->r_addend,
|
h->root.root.string,
|
h->root.root.string,
|
bfd_get_section_name (input_bfd, input_section));
|
bfd_get_section_name (input_bfd, input_section));
|
rel->r_addend = 0;
|
rel->r_addend = 0;
|
|
|
break;
|
break;
|
|
|
case R_VAX_PC8:
|
case R_VAX_PC8:
|
case R_VAX_PC16:
|
case R_VAX_PC16:
|
r_vax_pc32_shared:
|
r_vax_pc32_shared:
|
if (h == NULL
|
if (h == NULL
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| h->forced_local)
|
|| h->forced_local)
|
break;
|
break;
|
/* Fall through. */
|
/* Fall through. */
|
case R_VAX_8:
|
case R_VAX_8:
|
case R_VAX_16:
|
case R_VAX_16:
|
case R_VAX_32:
|
case R_VAX_32:
|
if (info->shared
|
if (info->shared
|
&& r_symndx != 0
|
&& r_symndx != 0
|
&& (input_section->flags & SEC_ALLOC) != 0
|
&& (input_section->flags & SEC_ALLOC) != 0
|
&& ((r_type != R_VAX_PC8
|
&& ((r_type != R_VAX_PC8
|
&& r_type != R_VAX_PC16
|
&& r_type != R_VAX_PC16
|
&& r_type != R_VAX_PC32)
|
&& r_type != R_VAX_PC32)
|
|| ((input_section->flags & SEC_CODE)
|
|| ((input_section->flags & SEC_CODE)
|
&& (!info->symbolic
|
&& (!info->symbolic
|
|| (!h->def_regular && h->type != STT_SECTION)))))
|
|| (!h->def_regular && h->type != STT_SECTION)))))
|
{
|
{
|
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;
|
if (outrel.r_offset == (bfd_vma) -2)
|
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);
|
/* h->dynindx may be -1 if the symbol was marked to
|
/* h->dynindx may be -1 if the symbol was marked to
|
become local. */
|
become local. */
|
else if (h != NULL
|
else if (h != NULL
|
&& ((! info->symbolic && h->dynindx != -1)
|
&& ((! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular))
|
|| !h->def_regular))
|
{
|
{
|
BFD_ASSERT (h->dynindx != -1);
|
BFD_ASSERT (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 = relocation + rel->r_addend;
|
outrel.r_addend = relocation + rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (r_type == R_VAX_32)
|
if (r_type == R_VAX_32)
|
{
|
{
|
relocate = TRUE;
|
relocate = TRUE;
|
outrel.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
|
BFD_ASSERT (bfd_get_signed_32 (input_bfd,
|
BFD_ASSERT (bfd_get_signed_32 (input_bfd,
|
&contents[rel->r_offset]) == 0);
|
&contents[rel->r_offset]) == 0);
|
outrel.r_addend = relocation + rel->r_addend;
|
outrel.r_addend = relocation + rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
long indx;
|
long indx;
|
|
|
if (bfd_is_abs_section (sec))
|
if (bfd_is_abs_section (sec))
|
indx = 0;
|
indx = 0;
|
else if (sec == NULL || sec->owner == NULL)
|
else if (sec == NULL || sec->owner == NULL)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
asection *osec;
|
asection *osec;
|
|
|
/* We are turning this relocation into one
|
/* We are turning this relocation into one
|
against a section symbol. It would be
|
against a section symbol. It would be
|
proper to subtract the symbol's value,
|
proper to subtract the symbol's value,
|
osec->vma, from the emitted reloc addend,
|
osec->vma, from the emitted reloc addend,
|
but ld.so expects buggy relocs. */
|
but ld.so expects buggy relocs. */
|
osec = sec->output_section;
|
osec = sec->output_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
struct elf_link_hash_table *htab;
|
struct elf_link_hash_table *htab;
|
htab = elf_hash_table (info);
|
htab = elf_hash_table (info);
|
osec = htab->text_index_section;
|
osec = htab->text_index_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
}
|
}
|
BFD_ASSERT (indx != 0);
|
BFD_ASSERT (indx != 0);
|
}
|
}
|
|
|
outrel.r_info = ELF32_R_INFO (indx, r_type);
|
outrel.r_info = ELF32_R_INFO (indx, r_type);
|
outrel.r_addend = relocation + rel->r_addend;
|
outrel.r_addend = relocation + rel->r_addend;
|
}
|
}
|
}
|
}
|
|
|
if (!strcmp (bfd_get_section_name (input_bfd, input_section),
|
if (!strcmp (bfd_get_section_name (input_bfd, input_section),
|
".text") != 0 ||
|
".text") != 0 ||
|
(info->shared
|
(info->shared
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_32
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_32
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_RELATIVE
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_RELATIVE
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_COPY
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_COPY
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_JMP_SLOT
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_JMP_SLOT
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_GLOB_DAT))
|
&& ELF32_R_TYPE(outrel.r_info) != R_VAX_GLOB_DAT))
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: warning: %s relocation against symbol `%s' from %s section"),
|
(_("%s: warning: %s relocation against symbol `%s' from %s section"),
|
bfd_get_filename (input_bfd), howto->name,
|
bfd_get_filename (input_bfd), howto->name,
|
h->root.root.string,
|
h->root.root.string,
|
bfd_get_section_name (input_bfd, input_section));
|
bfd_get_section_name (input_bfd, input_section));
|
else
|
else
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: warning: %s relocation to 0x%x from %s section"),
|
(_("%s: warning: %s relocation to 0x%x from %s section"),
|
bfd_get_filename (input_bfd), howto->name,
|
bfd_get_filename (input_bfd), howto->name,
|
outrel.r_addend,
|
outrel.r_addend,
|
bfd_get_section_name (input_bfd, input_section));
|
bfd_get_section_name (input_bfd, input_section));
|
}
|
}
|
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);
|
|
|
/* This reloc will be computed at runtime, so there's no
|
/* This reloc will be computed at runtime, so there's no
|
need to do anything now, except for R_VAX_32
|
need to do anything now, except for R_VAX_32
|
relocations that have been turned into
|
relocations that have been turned into
|
R_VAX_RELATIVE. */
|
R_VAX_RELATIVE. */
|
if (!relocate)
|
if (!relocate)
|
continue;
|
continue;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case R_VAX_GNU_VTINHERIT:
|
case R_VAX_GNU_VTINHERIT:
|
case R_VAX_GNU_VTENTRY:
|
case R_VAX_GNU_VTENTRY:
|
/* These are no-ops in the end. */
|
/* These are no-ops in the end. */
|
continue;
|
continue;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
/* VAX PCREL relocations are from the end of relocation, not the start.
|
/* VAX PCREL relocations are from the end of relocation, not the start.
|
So subtract the difference from the relocation amount since we can't
|
So subtract the difference from the relocation amount since we can't
|
add it to the offset. */
|
add it to the offset. */
|
if (howto->pc_relative && howto->pcrel_offset)
|
if (howto->pc_relative && howto->pcrel_offset)
|
relocation -= bfd_get_reloc_size(howto);
|
relocation -= bfd_get_reloc_size(howto);
|
|
|
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, rel->r_addend);
|
relocation, rel->r_addend);
|
|
|
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 (input_bfd,
|
name = bfd_elf_string_from_elf_section (input_bfd,
|
symtab_hdr->sh_link,
|
symtab_hdr->sh_link,
|
sym->st_name);
|
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;
|
}
|
}
|
|
|
/* 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
|
elf_vax_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
|
elf_vax_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)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
|
|
if (h->plt.offset != (bfd_vma) -1)
|
if (h->plt.offset != (bfd_vma) -1)
|
{
|
{
|
asection *splt;
|
asection *splt;
|
asection *sgot;
|
asection *sgot;
|
asection *srela;
|
asection *srela;
|
bfd_vma plt_index;
|
bfd_vma plt_index;
|
bfd_vma got_offset;
|
bfd_vma got_offset;
|
bfd_vma addend;
|
bfd_vma addend;
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
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 = bfd_get_section_by_name (dynobj, ".plt");
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
|
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
|
srela = bfd_get_section_by_name (dynobj, ".rela.plt");
|
srela = bfd_get_section_by_name (dynobj, ".rela.plt");
|
BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
|
BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
|
|
|
addend = 2 * (h->plt.offset & 1);
|
addend = 2 * (h->plt.offset & 1);
|
h->plt.offset &= ~1;
|
h->plt.offset &= ~1;
|
|
|
/* 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 = h->plt.offset / PLT_ENTRY_SIZE - 1;
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
|
|
|
/* 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 two are reserved. */
|
The first two are reserved. */
|
got_offset = (plt_index + 3) * 4;
|
got_offset = (plt_index + 3) * 4;
|
|
|
/* Fill in the entry in the procedure linkage table. */
|
/* Fill in the entry in the procedure linkage table. */
|
memcpy (splt->contents + h->plt.offset, elf_vax_plt_entry,
|
memcpy (splt->contents + h->plt.offset, elf_vax_plt_entry,
|
PLT_ENTRY_SIZE);
|
PLT_ENTRY_SIZE);
|
|
|
/* The offset is relative to the first extension word. */
|
/* The offset is relative to the first extension word. */
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
-(h->plt.offset + 8),
|
-(h->plt.offset + 8),
|
splt->contents + h->plt.offset + 4);
|
splt->contents + h->plt.offset + 4);
|
|
|
bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
|
bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
|
splt->contents + h->plt.offset + 8);
|
splt->contents + h->plt.offset + 8);
|
|
|
/* 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) + addend,
|
+ h->plt.offset) + addend,
|
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. */
|
rela.r_offset = (sgot->output_section->vma
|
rela.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ got_offset);
|
+ got_offset);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_JMP_SLOT);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_JMP_SLOT);
|
rela.r_addend = addend;
|
rela.r_addend = addend;
|
loc = srela->contents + plt_index * sizeof (Elf32_External_Rela);
|
loc = srela->contents + plt_index * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, 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)
|
{
|
{
|
asection *sgot;
|
asection *sgot;
|
asection *srela;
|
asection *srela;
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
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 = bfd_get_section_by_name (dynobj, ".got");
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
srela = bfd_get_section_by_name (dynobj, ".rela.got");
|
srela = bfd_get_section_by_name (dynobj, ".rela.got");
|
BFD_ASSERT (sgot != NULL && srela != NULL);
|
BFD_ASSERT (sgot != NULL && srela != NULL);
|
|
|
rela.r_offset = (sgot->output_section->vma
|
rela.r_offset = (sgot->output_section->vma
|
+ sgot->output_offset
|
+ sgot->output_offset
|
+ (h->got.offset &~ 1));
|
+ (h->got.offset &~ 1));
|
|
|
/* If the symbol was forced to be local because of a version file
|
/* If the symbol was forced to be local because of a version file
|
locally we just want to emit a RELATIVE reloc. The entry in
|
locally we just want to emit a RELATIVE reloc. The entry in
|
the global offset table will already have been initialized in
|
the global offset table will already have been initialized in
|
the relocate_section function. */
|
the relocate_section function. */
|
if (info->shared
|
if (info->shared
|
&& h->dynindx == -1
|
&& h->dynindx == -1
|
&& h->def_regular)
|
&& h->def_regular)
|
{
|
{
|
rela.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
|
rela.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
|
}
|
}
|
else
|
else
|
{
|
{
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_GLOB_DAT);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_GLOB_DAT);
|
}
|
}
|
rela.r_addend = bfd_get_signed_32 (output_bfd,
|
rela.r_addend = bfd_get_signed_32 (output_bfd,
|
(sgot->contents
|
(sgot->contents
|
+ (h->got.offset & ~1)));
|
+ (h->got.offset & ~1)));
|
|
|
loc = srela->contents;
|
loc = srela->contents;
|
loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
}
|
}
|
|
|
if (h->needs_copy)
|
if (h->needs_copy)
|
{
|
{
|
asection *s;
|
asection *s;
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol needs a copy reloc. Set it up. */
|
/* This symbol needs a copy reloc. Set it up. */
|
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);
|
|
|
rela.r_offset = (h->root.u.def.value
|
rela.r_offset = (h->root.u.def.value
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_offset);
|
+ h->root.u.def.section->output_offset);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_COPY);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_COPY);
|
rela.r_addend = 0;
|
rela.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, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
}
|
}
|
|
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
|| h == elf_hash_table (info)->hgot)
|
|| h == elf_hash_table (info)->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
|
elf_vax_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
elf_vax_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *sgot;
|
asection *sgot;
|
asection *sdyn;
|
asection *sdyn;
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
|
|
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
|
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
|
BFD_ASSERT (sgot != NULL);
|
BFD_ASSERT (sgot != NULL);
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->dynamic_sections_created)
|
{
|
{
|
asection *splt;
|
asection *splt;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
|
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
BFD_ASSERT (splt != NULL && sdyn != NULL);
|
BFD_ASSERT (splt != 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;
|
const char *name;
|
const char *name;
|
asection *s;
|
asection *s;
|
|
|
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
|
|
switch (dyn.d_tag)
|
switch (dyn.d_tag)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case DT_PLTGOT:
|
case DT_PLTGOT:
|
name = ".got";
|
name = ".got";
|
goto get_vma;
|
goto get_vma;
|
case DT_JMPREL:
|
case DT_JMPREL:
|
name = ".rela.plt";
|
name = ".rela.plt";
|
get_vma:
|
get_vma:
|
s = bfd_get_section_by_name (output_bfd, name);
|
s = bfd_get_section_by_name (output_bfd, name);
|
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 = bfd_get_section_by_name (output_bfd, ".rela.plt");
|
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
|
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:
|
/* The procedure linkage table relocs (DT_JMPREL) should
|
/* The procedure linkage table relocs (DT_JMPREL) should
|
not be included in the overall relocs (DT_RELA).
|
not be included in the overall relocs (DT_RELA).
|
Therefore, we override the DT_RELASZ entry here to
|
Therefore, we override the DT_RELASZ entry here to
|
make it not include the JMPREL relocs. Since the
|
make it not include the JMPREL relocs. Since the
|
linker script arranges for .rela.plt to follow all
|
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. */
|
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
|
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
|
if (s != NULL)
|
if (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;
|
}
|
}
|
}
|
}
|
|
|
/* Fill in the first entry in the procedure linkage table. */
|
/* Fill in the first entry in the procedure linkage table. */
|
if (splt->size > 0)
|
if (splt->size > 0)
|
{
|
{
|
memcpy (splt->contents, elf_vax_plt0_entry, PLT_ENTRY_SIZE);
|
memcpy (splt->contents, elf_vax_plt0_entry, PLT_ENTRY_SIZE);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(sgot->output_section->vma
|
(sgot->output_section->vma
|
+ sgot->output_offset + 4
|
+ sgot->output_offset + 4
|
- (splt->output_section->vma + 6)),
|
- (splt->output_section->vma + 6)),
|
splt->contents + 2);
|
splt->contents + 2);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(sgot->output_section->vma
|
(sgot->output_section->vma
|
+ sgot->output_offset + 8
|
+ sgot->output_offset + 8
|
- (splt->output_section->vma + 12)),
|
- (splt->output_section->vma + 12)),
|
splt->contents + 8);
|
splt->contents + 8);
|
elf_section_data (splt->output_section)->this_hdr.sh_entsize
|
elf_section_data (splt->output_section)->this_hdr.sh_entsize
|
= PLT_ENTRY_SIZE;
|
= PLT_ENTRY_SIZE;
|
}
|
}
|
}
|
}
|
|
|
/* Fill in the first three entries in the global offset table. */
|
/* Fill in the first three entries in the global offset table. */
|
if (sgot->size > 0)
|
if (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
|
elf_vax_reloc_type_class (const Elf_Internal_Rela *rela)
|
elf_vax_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_VAX_RELATIVE:
|
case R_VAX_RELATIVE:
|
return reloc_class_relative;
|
return reloc_class_relative;
|
case R_VAX_JMP_SLOT:
|
case R_VAX_JMP_SLOT:
|
return reloc_class_plt;
|
return reloc_class_plt;
|
case R_VAX_COPY:
|
case R_VAX_COPY:
|
return reloc_class_copy;
|
return reloc_class_copy;
|
default:
|
default:
|
return reloc_class_normal;
|
return reloc_class_normal;
|
}
|
}
|
}
|
}
|
|
|
static bfd_vma
|
static bfd_vma
|
elf_vax_plt_sym_val (bfd_vma i, const asection *plt,
|
elf_vax_plt_sym_val (bfd_vma i, const asection *plt,
|
const arelent *rel ATTRIBUTE_UNUSED)
|
const arelent *rel ATTRIBUTE_UNUSED)
|
{
|
{
|
return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
|
return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
|
}
|
}
|
|
|
#define TARGET_LITTLE_SYM bfd_elf32_vax_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_vax_vec
|
#define TARGET_LITTLE_NAME "elf32-vax"
|
#define TARGET_LITTLE_NAME "elf32-vax"
|
#define ELF_MACHINE_CODE EM_VAX
|
#define ELF_MACHINE_CODE EM_VAX
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
|
|
#define elf_backend_create_dynamic_sections \
|
#define elf_backend_create_dynamic_sections \
|
_bfd_elf_create_dynamic_sections
|
_bfd_elf_create_dynamic_sections
|
#define bfd_elf32_bfd_link_hash_table_create \
|
#define bfd_elf32_bfd_link_hash_table_create \
|
elf_vax_link_hash_table_create
|
elf_vax_link_hash_table_create
|
#define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link
|
#define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link
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#define elf_backend_check_relocs elf_vax_check_relocs
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#define elf_backend_check_relocs elf_vax_check_relocs
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#define elf_backend_adjust_dynamic_symbol \
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#define elf_backend_adjust_dynamic_symbol \
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elf_vax_adjust_dynamic_symbol
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elf_vax_adjust_dynamic_symbol
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#define elf_backend_size_dynamic_sections \
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#define elf_backend_size_dynamic_sections \
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elf_vax_size_dynamic_sections
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elf_vax_size_dynamic_sections
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#define elf_backend_init_index_section _bfd_elf_init_1_index_section
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#define elf_backend_init_index_section _bfd_elf_init_1_index_section
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#define elf_backend_relocate_section elf_vax_relocate_section
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#define elf_backend_relocate_section elf_vax_relocate_section
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#define elf_backend_finish_dynamic_symbol \
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#define elf_backend_finish_dynamic_symbol \
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elf_vax_finish_dynamic_symbol
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elf_vax_finish_dynamic_symbol
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#define elf_backend_finish_dynamic_sections \
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#define elf_backend_finish_dynamic_sections \
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elf_vax_finish_dynamic_sections
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elf_vax_finish_dynamic_sections
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#define elf_backend_reloc_type_class elf_vax_reloc_type_class
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#define elf_backend_reloc_type_class elf_vax_reloc_type_class
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#define elf_backend_gc_mark_hook elf_vax_gc_mark_hook
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#define elf_backend_gc_mark_hook elf_vax_gc_mark_hook
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#define elf_backend_gc_sweep_hook elf_vax_gc_sweep_hook
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#define elf_backend_gc_sweep_hook elf_vax_gc_sweep_hook
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#define elf_backend_plt_sym_val elf_vax_plt_sym_val
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#define elf_backend_plt_sym_val elf_vax_plt_sym_val
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#define bfd_elf32_bfd_merge_private_bfd_data \
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#define bfd_elf32_bfd_merge_private_bfd_data \
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elf32_vax_merge_private_bfd_data
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elf32_vax_merge_private_bfd_data
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#define bfd_elf32_bfd_set_private_flags \
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#define bfd_elf32_bfd_set_private_flags \
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elf32_vax_set_private_flags
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elf32_vax_set_private_flags
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#define bfd_elf32_bfd_print_private_bfd_data \
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#define bfd_elf32_bfd_print_private_bfd_data \
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elf32_vax_print_private_bfd_data
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elf32_vax_print_private_bfd_data
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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_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 16
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#define elf_backend_got_header_size 16
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#define elf_backend_rela_normal 1
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#define elf_backend_rela_normal 1
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#include "elf32-target.h"
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#include "elf32-target.h"
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