c7c7219d3a
* coff-x86_64.c (bfd_pe_print_pdata): Define as
_bfd_pep_print_x64_pdata.
* libpei.h (_bfd_pep_print_x64_pdata): Add prototype.
* peXXigen.c (_bfd_pep_print_x64_pdata): New.
788 lines
24 KiB
C
788 lines
24 KiB
C
/* BFD back-end for AMD 64 COFF files.
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Copyright 2006, 2007, 2008 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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#ifndef COFF_WITH_pex64
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#define COFF_WITH_pex64
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#endif
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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 "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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#include "libiberty.h"
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#define BADMAG(x) AMD64BADMAG(x)
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#ifdef COFF_WITH_pex64
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# undef AOUTSZ
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# define AOUTSZ PEPAOUTSZ
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# define PEAOUTHDR PEPAOUTHDR
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#endif
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#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
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/* The page size is a guess based on ELF. */
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#define COFF_PAGE_SIZE 0x1000
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/* For some reason when using AMD COFF the value stored in the .text
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section for a reference to a common symbol is the value itself plus
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any desired offset. Ian Taylor, Cygnus Support. */
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/* If we are producing relocatable output, we need to do some
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adjustments to the object file that are not done by the
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bfd_perform_relocation function. This function is called by every
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reloc type to make any required adjustments. */
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static bfd_reloc_status_type
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coff_amd64_reloc (bfd *abfd,
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arelent *reloc_entry,
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asymbol *symbol,
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void * data,
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asection *input_section ATTRIBUTE_UNUSED,
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bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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{
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symvalue diff;
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#if !defined(COFF_WITH_PE)
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if (output_bfd == NULL)
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return bfd_reloc_continue;
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#endif
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if (bfd_is_com_section (symbol->section))
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{
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#if !defined(COFF_WITH_PE)
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/* We are relocating a common symbol. The current value in the
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object file is ORIG + OFFSET, where ORIG is the value of the
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common symbol as seen by the object file when it was compiled
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(this may be zero if the symbol was undefined) and OFFSET is
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the offset into the common symbol (normally zero, but may be
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non-zero when referring to a field in a common structure).
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ORIG is the negative of reloc_entry->addend, which is set by
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the CALC_ADDEND macro below. We want to replace the value in
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the object file with NEW + OFFSET, where NEW is the value of
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the common symbol which we are going to put in the final
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object file. NEW is symbol->value. */
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diff = symbol->value + reloc_entry->addend;
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#else
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/* In PE mode, we do not offset the common symbol. */
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diff = reloc_entry->addend;
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#endif
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}
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else
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{
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/* For some reason bfd_perform_relocation always effectively
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ignores the addend for a COFF target when producing
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relocatable output. This seems to be always wrong for 386
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COFF, so we handle the addend here instead. */
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#if defined(COFF_WITH_PE)
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if (output_bfd == NULL)
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{
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reloc_howto_type *howto = reloc_entry->howto;
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/* Although PC relative relocations are very similar between
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PE and non-PE formats, but they are off by 1 << howto->size
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bytes. For the external relocation, PE is very different
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from others. See md_apply_fix3 () in gas/config/tc-amd64.c.
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When we link PE and non-PE object files together to
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generate a non-PE executable, we have to compensate it
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here. */
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if(howto->pc_relative && howto->pcrel_offset)
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diff = -(1 << howto->size);
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else if(symbol->flags & BSF_WEAK)
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diff = reloc_entry->addend - symbol->value;
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else
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diff = -reloc_entry->addend;
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}
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else
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#endif
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diff = reloc_entry->addend;
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}
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#if defined(COFF_WITH_PE)
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/* FIXME: How should this case be handled? */
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if (reloc_entry->howto->type == R_AMD64_IMAGEBASE
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&& output_bfd != NULL
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&& bfd_get_flavour (output_bfd) == bfd_target_coff_flavour)
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diff -= pe_data (output_bfd)->pe_opthdr.ImageBase;
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#endif
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#define DOIT(x) \
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x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
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if (diff != 0)
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{
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reloc_howto_type *howto = reloc_entry->howto;
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unsigned char *addr = (unsigned char *) data + reloc_entry->address;
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switch (howto->size)
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{
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case 0:
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{
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char x = bfd_get_8 (abfd, addr);
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DOIT (x);
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bfd_put_8 (abfd, x, addr);
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}
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break;
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case 1:
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{
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short x = bfd_get_16 (abfd, addr);
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DOIT (x);
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bfd_put_16 (abfd, (bfd_vma) x, addr);
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}
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break;
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case 2:
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{
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long x = bfd_get_32 (abfd, addr);
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DOIT (x);
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bfd_put_32 (abfd, (bfd_vma) x, addr);
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}
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break;
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case 4:
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{
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long long x = bfd_get_64 (abfd, addr);
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DOIT (x);
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bfd_put_64 (abfd, (bfd_vma) x, addr);
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}
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break;
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default:
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abort ();
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}
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}
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/* Now let bfd_perform_relocation finish everything up. */
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return bfd_reloc_continue;
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}
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#if defined(COFF_WITH_PE)
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/* Return TRUE if this relocation should appear in the output .reloc
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section. */
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static bfd_boolean
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in_reloc_p (bfd *abfd ATTRIBUTE_UNUSED, reloc_howto_type *howto)
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{
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return ! howto->pc_relative && howto->type != R_AMD64_IMAGEBASE;
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}
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#endif /* COFF_WITH_PE */
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#ifndef PCRELOFFSET
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#define PCRELOFFSET TRUE
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#endif
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static reloc_howto_type howto_table[] =
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{
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EMPTY_HOWTO (0),
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HOWTO (R_AMD64_DIR64, /* type 1*/
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0, /* rightshift */
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4, /* size (0 = byte, 1 = short, 2 = long, 4 = long long) */
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64, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_64", /* name */
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TRUE, /* partial_inplace */
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0xffffffffffffffffll, /* src_mask */
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0xffffffffffffffffll, /* dst_mask */
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TRUE), /* pcrel_offset */
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HOWTO (R_AMD64_DIR32, /* type 2 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_32", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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/* PE IMAGE_REL_AMD64_ADDR32NB relocation (3). */
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HOWTO (R_AMD64_IMAGEBASE, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"rva32", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 32-bit longword PC relative relocation (4). */
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HOWTO (R_AMD64_PCRLONG, /* type 4 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_PC32", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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HOWTO (R_AMD64_PCRLONG_1, /* type 5 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"DISP32+1", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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HOWTO (R_AMD64_PCRLONG_2, /* type 6 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"DISP32+2", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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HOWTO (R_AMD64_PCRLONG_3, /* type 7 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"DISP32+3", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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HOWTO (R_AMD64_PCRLONG_4, /* type 8 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"DISP32+4", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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HOWTO (R_AMD64_PCRLONG_5, /* type 9 */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"DISP32+5", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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EMPTY_HOWTO (10), /* R_AMD64_SECTION 10 */
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#if defined(COFF_WITH_PE)
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/* 32-bit longword section relative relocation (11). */
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HOWTO (R_AMD64_SECREL, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"secrel32", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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#else
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EMPTY_HOWTO (11),
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#endif
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EMPTY_HOWTO (12),
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EMPTY_HOWTO (13),
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#ifndef DONT_EXTEND_AMD64
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HOWTO (R_AMD64_PCRQUAD,
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0, /* rightshift */
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4, /* size (0 = byte, 1 = short, 2 = long) */
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64, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_PC64", /* name */
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TRUE, /* partial_inplace */
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0xffffffffffffffffll, /* src_mask */
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0xffffffffffffffffll, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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#else
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EMPTY_HOWTO (14),
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#endif
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/* Byte relocation (15). */
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HOWTO (R_RELBYTE, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_8", /* name */
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TRUE, /* partial_inplace */
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0x000000ff, /* src_mask */
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0x000000ff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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/* 16-bit word relocation (16). */
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HOWTO (R_RELWORD, /* type */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_16", /* name */
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TRUE, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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/* 32-bit longword relocation (17). */
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HOWTO (R_RELLONG, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_32S", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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/* Byte PC relative relocation (18). */
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HOWTO (R_PCRBYTE, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_PC8", /* name */
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TRUE, /* partial_inplace */
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0x000000ff, /* src_mask */
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0x000000ff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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/* 16-bit word PC relative relocation (19). */
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HOWTO (R_PCRWORD, /* type */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_PC16", /* name */
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TRUE, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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PCRELOFFSET), /* pcrel_offset */
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/* 32-bit longword PC relative relocation (20). */
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HOWTO (R_PCRLONG, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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coff_amd64_reloc, /* special_function */
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"R_X86_64_PC32", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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PCRELOFFSET) /* pcrel_offset */
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};
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/* Turn a howto into a reloc nunmber */
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#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
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#define I386 1 /* Customize coffcode.h */
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#define AMD64 1
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#define RTYPE2HOWTO(cache_ptr, dst) \
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((cache_ptr)->howto = \
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((dst)->r_type < ARRAY_SIZE (howto_table)) \
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? howto_table + (dst)->r_type \
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: NULL)
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/* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
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library. On some other COFF targets STYP_BSS is normally
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STYP_NOLOAD. */
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#define BSS_NOLOAD_IS_SHARED_LIBRARY
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|
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/* Compute the addend of a reloc. If the reloc is to a common symbol,
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the object file contains the value of the common symbol. By the
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time this is called, the linker may be using a different symbol
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from a different object file with a different value. Therefore, we
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hack wildly to locate the original symbol from this file so that we
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can make the correct adjustment. This macro sets coffsym to the
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symbol from the original file, and uses it to set the addend value
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correctly. If this is not a common symbol, the usual addend
|
|
calculation is done, except that an additional tweak is needed for
|
|
PC relative relocs.
|
|
FIXME: This macro refers to symbols and asect; these are from the
|
|
calling function, not the macro arguments. */
|
|
|
|
#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
|
|
{ \
|
|
coff_symbol_type *coffsym = NULL; \
|
|
\
|
|
if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
|
|
coffsym = (obj_symbols (abfd) \
|
|
+ (cache_ptr->sym_ptr_ptr - symbols)); \
|
|
else if (ptr) \
|
|
coffsym = coff_symbol_from (abfd, ptr); \
|
|
\
|
|
if (coffsym != NULL \
|
|
&& coffsym->native->u.syment.n_scnum == 0) \
|
|
cache_ptr->addend = - coffsym->native->u.syment.n_value; \
|
|
else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
|
|
&& ptr->section != NULL) \
|
|
cache_ptr->addend = - (ptr->section->vma + ptr->value); \
|
|
else \
|
|
cache_ptr->addend = 0; \
|
|
if (ptr && howto_table[reloc.r_type].pc_relative) \
|
|
cache_ptr->addend += asect->vma; \
|
|
}
|
|
|
|
/* We use the special COFF backend linker. For normal AMD64 COFF, we
|
|
can use the generic relocate_section routine. For PE, we need our
|
|
own routine. */
|
|
|
|
#if !defined(COFF_WITH_PE)
|
|
|
|
#define coff_relocate_section _bfd_coff_generic_relocate_section
|
|
|
|
#else /* COFF_WITH_PE */
|
|
|
|
/* The PE relocate section routine. The only difference between this
|
|
and the regular routine is that we don't want to do anything for a
|
|
relocatable link. */
|
|
|
|
static bfd_boolean
|
|
coff_pe_amd64_relocate_section (bfd *output_bfd,
|
|
struct bfd_link_info *info,
|
|
bfd *input_bfd,
|
|
asection *input_section,
|
|
bfd_byte *contents,
|
|
struct internal_reloc *relocs,
|
|
struct internal_syment *syms,
|
|
asection **sections)
|
|
{
|
|
if (info->relocatable)
|
|
return TRUE;
|
|
|
|
return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,input_section, contents,relocs, syms, sections);
|
|
}
|
|
|
|
#define coff_relocate_section coff_pe_amd64_relocate_section
|
|
|
|
#endif /* COFF_WITH_PE */
|
|
|
|
/* Convert an rtype to howto for the COFF backend linker. */
|
|
|
|
static reloc_howto_type *
|
|
coff_amd64_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
|
asection *sec,
|
|
struct internal_reloc *rel,
|
|
struct coff_link_hash_entry *h,
|
|
struct internal_syment *sym,
|
|
bfd_vma *addendp)
|
|
{
|
|
reloc_howto_type *howto;
|
|
|
|
if (rel->r_type > ARRAY_SIZE (howto_table))
|
|
{
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return NULL;
|
|
}
|
|
if (rel->r_type >= R_AMD64_PCRLONG_1 && rel->r_type <= R_AMD64_PCRLONG_5)
|
|
{
|
|
rel->r_vaddr += (bfd_vma)(rel->r_type-R_AMD64_PCRLONG);
|
|
rel->r_type = R_AMD64_PCRLONG;
|
|
}
|
|
howto = howto_table + rel->r_type;
|
|
|
|
#if defined(COFF_WITH_PE)
|
|
/* Cancel out code in _bfd_coff_generic_relocate_section. */
|
|
*addendp = 0;
|
|
#endif
|
|
|
|
if (howto->pc_relative)
|
|
*addendp += sec->vma;
|
|
|
|
if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
|
|
{
|
|
/* This is a common symbol. The section contents include the
|
|
size (sym->n_value) as an addend. The relocate_section
|
|
function will be adding in the final value of the symbol. We
|
|
need to subtract out the current size in order to get the
|
|
correct result. */
|
|
BFD_ASSERT (h != NULL);
|
|
|
|
#if !defined(COFF_WITH_PE)
|
|
/* I think we *do* want to bypass this. If we don't, I have
|
|
seen some data parameters get the wrong relocation address.
|
|
If I link two versions with and without this section bypassed
|
|
and then do a binary comparison, the addresses which are
|
|
different can be looked up in the map. The case in which
|
|
this section has been bypassed has addresses which correspond
|
|
to values I can find in the map. */
|
|
*addendp -= sym->n_value;
|
|
#endif
|
|
}
|
|
|
|
#if !defined(COFF_WITH_PE)
|
|
/* If the output symbol is common (in which case this must be a
|
|
relocatable link), we need to add in the final size of the
|
|
common symbol. */
|
|
if (h != NULL && h->root.type == bfd_link_hash_common)
|
|
*addendp += h->root.u.c.size;
|
|
#endif
|
|
|
|
#if defined(COFF_WITH_PE)
|
|
if (howto->pc_relative)
|
|
{
|
|
*addendp -= 4;
|
|
|
|
/* If the symbol is defined, then the generic code is going to
|
|
add back the symbol value in order to cancel out an
|
|
adjustment it made to the addend. However, we set the addend
|
|
to 0 at the start of this function. We need to adjust here,
|
|
to avoid the adjustment the generic code will make. FIXME:
|
|
This is getting a bit hackish. */
|
|
if (sym != NULL && sym->n_scnum != 0)
|
|
*addendp -= sym->n_value;
|
|
}
|
|
|
|
if (rel->r_type == R_AMD64_IMAGEBASE
|
|
&& (bfd_get_flavour (sec->output_section->owner) == bfd_target_coff_flavour))
|
|
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
|
|
|
|
if (rel->r_type == R_AMD64_SECREL)
|
|
{
|
|
bfd_vma osect_vma;
|
|
|
|
if (h && (h->type == bfd_link_hash_defined || h->type == bfd_link_hash_defweak))
|
|
osect_vma = h->root.u.def.section->output_section->vma;
|
|
else
|
|
{
|
|
asection *sec;
|
|
int i;
|
|
|
|
/* Sigh, the only way to get the section to offset against
|
|
is to find it the hard way. */
|
|
for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
|
|
sec = sec->next;
|
|
|
|
osect_vma = sec->output_section->vma;
|
|
}
|
|
|
|
*addendp -= osect_vma;
|
|
}
|
|
#endif
|
|
|
|
return howto;
|
|
}
|
|
|
|
#define coff_bfd_reloc_type_lookup coff_amd64_reloc_type_lookup
|
|
#define coff_bfd_reloc_name_lookup coff_amd64_reloc_name_lookup
|
|
|
|
static reloc_howto_type *
|
|
coff_amd64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
|
|
{
|
|
switch (code)
|
|
{
|
|
case BFD_RELOC_RVA:
|
|
return howto_table + R_AMD64_IMAGEBASE;
|
|
case BFD_RELOC_32:
|
|
return howto_table + R_AMD64_DIR32;
|
|
case BFD_RELOC_64:
|
|
return howto_table + R_AMD64_DIR64;
|
|
case BFD_RELOC_64_PCREL:
|
|
#ifndef DONT_EXTEND_AMD64
|
|
return howto_table + R_AMD64_PCRQUAD;
|
|
#else
|
|
/* Fall through. */
|
|
#endif
|
|
case BFD_RELOC_32_PCREL:
|
|
return howto_table + R_AMD64_PCRLONG;
|
|
case BFD_RELOC_X86_64_32S:
|
|
return howto_table + R_RELLONG;
|
|
case BFD_RELOC_16:
|
|
return howto_table + R_RELWORD;
|
|
case BFD_RELOC_16_PCREL:
|
|
return howto_table + R_PCRWORD;
|
|
case BFD_RELOC_8:
|
|
return howto_table + R_RELBYTE;
|
|
case BFD_RELOC_8_PCREL:
|
|
return howto_table + R_PCRBYTE;
|
|
#if defined(COFF_WITH_PE)
|
|
case BFD_RELOC_32_SECREL:
|
|
return howto_table + R_AMD64_SECREL;
|
|
#endif
|
|
default:
|
|
BFD_FAIL ();
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
coff_amd64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
const char *r_name)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++)
|
|
if (howto_table[i].name != NULL
|
|
&& strcasecmp (howto_table[i].name, r_name) == 0)
|
|
return &howto_table[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#define coff_rtype_to_howto coff_amd64_rtype_to_howto
|
|
|
|
#ifdef TARGET_UNDERSCORE
|
|
|
|
/* If amd64 gcc uses underscores for symbol names, then it does not use
|
|
a leading dot for local labels, so if TARGET_UNDERSCORE is defined
|
|
we treat all symbols starting with L as local. */
|
|
|
|
static bfd_boolean
|
|
coff_amd64_is_local_label_name (bfd *abfd, const char *name)
|
|
{
|
|
if (name[0] == 'L')
|
|
return TRUE;
|
|
|
|
return _bfd_coff_is_local_label_name (abfd, name);
|
|
}
|
|
|
|
#define coff_bfd_is_local_label_name coff_amd64_is_local_label_name
|
|
|
|
#endif /* TARGET_UNDERSCORE */
|
|
|
|
#undef bfd_pe_print_pdata
|
|
#define bfd_pe_print_pdata _bfd_pep_print_x64_pdata
|
|
|
|
#include "coffcode.h"
|
|
|
|
#ifdef PE
|
|
#define amd64coff_object_p pe_bfd_object_p
|
|
#else
|
|
#define amd64coff_object_p coff_object_p
|
|
#endif
|
|
|
|
const bfd_target
|
|
#ifdef TARGET_SYM
|
|
TARGET_SYM =
|
|
#else
|
|
x86_64coff_vec =
|
|
#endif
|
|
{
|
|
#ifdef TARGET_NAME
|
|
TARGET_NAME,
|
|
#else
|
|
"coff-x86-64", /* Name. */
|
|
#endif
|
|
bfd_target_coff_flavour,
|
|
BFD_ENDIAN_LITTLE, /* Data byte order is little. */
|
|
BFD_ENDIAN_LITTLE, /* Header byte order is little. */
|
|
|
|
(HAS_RELOC | EXEC_P | /* Object flags. */
|
|
HAS_LINENO | HAS_DEBUG |
|
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
|
|
|
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */
|
|
#if defined(COFF_WITH_PE)
|
|
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY
|
|
#endif
|
|
| SEC_CODE | SEC_DATA),
|
|
|
|
#ifdef TARGET_UNDERSCORE
|
|
TARGET_UNDERSCORE, /* Leading underscore. */
|
|
#else
|
|
0, /* Leading underscore. */
|
|
#endif
|
|
'/', /* Ar_pad_char. */
|
|
15, /* Ar_max_namelen. */
|
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data. */
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Hdrs. */
|
|
|
|
/* Note that we allow an object file to be treated as a core file as well. */
|
|
{ _bfd_dummy_target, amd64coff_object_p, /* BFD_check_format. */
|
|
bfd_generic_archive_p, amd64coff_object_p },
|
|
{ bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format. */
|
|
bfd_false },
|
|
{ bfd_false, coff_write_object_contents, /* bfd_write_contents. */
|
|
_bfd_write_archive_contents, bfd_false },
|
|
|
|
BFD_JUMP_TABLE_GENERIC (coff),
|
|
BFD_JUMP_TABLE_COPY (coff),
|
|
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
|
BFD_JUMP_TABLE_SYMBOLS (coff),
|
|
BFD_JUMP_TABLE_RELOCS (coff),
|
|
BFD_JUMP_TABLE_WRITE (coff),
|
|
BFD_JUMP_TABLE_LINK (coff),
|
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
|
NULL,
|
|
|
|
COFF_SWAP_TABLE
|
|
};
|