105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/* BFD back-end for Intel/AMD x86_64 PECOFF files.
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Copyright (C) 2006-2022 Free Software Foundation, Inc.
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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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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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(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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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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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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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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MA 02110-1301, USA.
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Written by Kai Tietz, OneVision Software GmbH&CoKg. */
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#define PEI_HEADERS
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#include "coff/x86_64.h"
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#include "coff/internal.h"
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#include "coff/pe.h"
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#include "libcoff.h"
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#define TARGET_SYM x86_64_pe_vec
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#define TARGET_NAME "pe-x86-64"
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#define TARGET_SYM_BIG x86_64_pe_big_vec
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#define TARGET_NAME_BIG "pe-bigobj-x86-64"
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#define COFF_WITH_PE
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#define COFF_WITH_pex64
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#define COFF_WITH_PE_BIGOBJ
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#define PCRELOFFSET true
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#if defined (USE_MINGW64_LEADING_UNDERSCORES)
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#define TARGET_UNDERSCORE '_'
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#else
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#define TARGET_UNDERSCORE 0
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#endif
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#define COFF_LONG_SECTION_NAMES
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#define COFF_SUPPORT_GNU_LINKONCE
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#define COFF_LONG_FILENAMES
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#define COFF_SECTION_ALIGNMENT_ENTRIES \
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{ COFF_SECTION_NAME_EXACT_MATCH (".bss"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".data"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".rdata"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".text"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".idata"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \
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{ COFF_SECTION_NAME_EXACT_MATCH (".pdata"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".debug"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".zdebug"), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \
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{ COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \
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COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }
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/* The function pex64_bfd_print_pdata is implemented in pei-x86_64.c
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source, but has be extended to also handle pe objects. */
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extern bool pex64_bfd_print_pdata (bfd *, void *);
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#define bfd_pe_print_pdata pex64_bfd_print_pdata
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static bool
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pex64_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
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{
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if (bfd_link_pde (info)
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&& bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
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{
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/* NB: When linking Windows x86-64 relocatable object files to
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generate ELF executable, create an indirect reference to
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__executable_start for __ImageBase to support R_AMD64_IMAGEBASE
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relocation which is relative to __ImageBase. */
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struct bfd_link_hash_entry *h, *hi;
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hi = bfd_link_hash_lookup (info->hash, "__ImageBase", true, false,
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false);
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if (hi->type == bfd_link_hash_new
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|| hi->type == bfd_link_hash_undefined
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|| hi->type == bfd_link_hash_undefweak)
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{
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h = bfd_link_hash_lookup (info->hash, "__executable_start",
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true, false, true);
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hi->type = bfd_link_hash_indirect;
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hi->u.i.link = h;
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}
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}
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return _bfd_coff_link_add_symbols (abfd, info);
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}
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#define coff_bfd_link_add_symbols pex64_link_add_symbols
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#include "coff-x86_64.c"
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