215 lines
6.1 KiB
C
215 lines
6.1 KiB
C
/* BFD back-end for HP/Intel IA-64 COFF files.
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Copyright (C) 1999-2022 Free Software Foundation, Inc.
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Contributed by David Mosberger <davidm@hpl.hp.com>
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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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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "coff/ia64.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 COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
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/* Windows ia64 uses 8K page size. */
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#define COFF_PAGE_SIZE 0x2000
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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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};
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#define BADMAG(x) IA64BADMAG(x)
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#define IA64 1 /* Customize coffcode.h */
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#ifdef COFF_WITH_pep
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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 RTYPE2HOWTO(cache_ptr, dst) \
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(cache_ptr)->howto = howto_table;
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#ifdef COFF_WITH_PE
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/* Return TRUE if this relocation should
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appear in the output .reloc section. */
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static bool
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in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
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reloc_howto_type *howto ATTRIBUTE_UNUSED)
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{
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return false; /* We don't do relocs for now... */
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}
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#endif
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#ifndef bfd_pe_print_pdata
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#define bfd_pe_print_pdata NULL
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#endif
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#include "coffcode.h"
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static bfd_cleanup
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ia64coff_object_p (bfd *abfd)
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{
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#ifdef COFF_IMAGE_WITH_PE
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{
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struct external_DOS_hdr dos_hdr;
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struct external_PEI_IMAGE_hdr image_hdr;
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file_ptr offset;
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
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|| (bfd_bread (&dos_hdr, (bfd_size_type) sizeof (dos_hdr), abfd)
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!= sizeof (dos_hdr)))
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{
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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/* There are really two magic numbers involved; the magic number
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that says this is a NT executable (PEI) and the magic number
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that determines the architecture. The former is IMAGE_DOS_SIGNATURE,
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stored in the e_magic field. The latter is stored in the
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f_magic field. If the NT magic number isn't valid, the
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architecture magic number could be mimicked by some other
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field (specifically, the number of relocs in section 3). Since
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this routine can only be called correctly for a PEI file, check
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the e_magic number here, and, if it doesn't match, clobber the
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f_magic number so that we don't get a false match. */
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if (H_GET_16 (abfd, dos_hdr.e_magic) != IMAGE_DOS_SIGNATURE)
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{
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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offset = H_GET_32 (abfd, dos_hdr.e_lfanew);
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if (bfd_seek (abfd, offset, SEEK_SET) != 0
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|| (bfd_bread (&image_hdr, (bfd_size_type) sizeof (image_hdr), abfd)
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!= sizeof (image_hdr)))
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{
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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if (H_GET_32 (abfd, image_hdr.nt_signature)
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!= 0x4550)
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{
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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/* Here is the hack. coff_object_p wants to read filhsz bytes to
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pick up the COFF header for PE, see "struct external_PEI_filehdr"
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in include/coff/pe.h. We adjust so that that will work. */
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if (bfd_seek (abfd, offset - sizeof (dos_hdr), SEEK_SET) != 0)
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{
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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}
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#endif
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return coff_object_p (abfd);
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}
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const bfd_target
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#ifdef TARGET_SYM
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TARGET_SYM =
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#else
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ia64coff_vec =
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#endif
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{
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#ifdef TARGET_NAME
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TARGET_NAME,
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#else
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"coff-ia64", /* name */
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#endif
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bfd_target_coff_flavour,
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BFD_ENDIAN_LITTLE, /* data byte order is little */
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BFD_ENDIAN_LITTLE, /* header byte order is little */
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(HAS_RELOC | EXEC_P /* object flags */
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| HAS_LINENO | HAS_DEBUG
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| HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
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#ifndef COFF_WITH_PE
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
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| SEC_CODE | SEC_DATA),
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#else
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
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| SEC_CODE | SEC_DATA
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| SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
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#endif
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#ifdef TARGET_UNDERSCORE
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TARGET_UNDERSCORE, /* leading underscore */
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#else
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0, /* leading underscore */
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#endif
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'/', /* ar_pad_char */
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15, /* ar_max_namelen */
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0, /* match priority. */
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TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
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/* Note that we allow an object file to be treated as a core file as well. */
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{ /* bfd_check_format */
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_bfd_dummy_target,
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ia64coff_object_p,
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bfd_generic_archive_p,
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ia64coff_object_p
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},
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{ /* bfd_set_format */
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_bfd_bool_bfd_false_error,
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coff_mkobject,
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_bfd_generic_mkarchive,
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_bfd_bool_bfd_false_error
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},
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{ /* bfd_write_contents */
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_bfd_bool_bfd_false_error,
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coff_write_object_contents,
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_bfd_write_archive_contents,
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_bfd_bool_bfd_false_error
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},
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BFD_JUMP_TABLE_GENERIC (coff),
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BFD_JUMP_TABLE_COPY (coff),
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BFD_JUMP_TABLE_CORE (_bfd_nocore),
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BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
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BFD_JUMP_TABLE_SYMBOLS (coff),
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BFD_JUMP_TABLE_RELOCS (coff),
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BFD_JUMP_TABLE_WRITE (coff),
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BFD_JUMP_TABLE_LINK (coff),
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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NULL,
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COFF_SWAP_TABLE
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};
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