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* Makefile.am (BFD64_BACKENDS): Mention coff-ia64.lo. (BFD64_BACKENDS_CFILES): Mention coff-ia64.c (coff-ia64.lo): Add dependency. * Makefile.in: Regenerate. * coff-ia64.c: New file. * efi-app-ia32.c: Ditto. * efi-app-ia64.c: Ditto. ...
199 lines
5.4 KiB
C
199 lines
5.4 KiB
C
/* BFD back-end for HP/Intel IA-64 COFF files.
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Copyright 1999 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "sysdep.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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/* The page size is a guess based on ELF. */
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#define COFF_PAGE_SIZE 0x1000
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static reloc_howto_type howto_table[] =
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{
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{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_PEP64
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# undef AOUTSZ
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# define AOUTSZ PEP64AOUTSZ
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# define PEAOUTHDR PEP64AOUTHDR
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#endif
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#define RTYPE2HOWTO(cache_ptr, dst) \
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(cache_ptr)->howto = howto_table + (dst)->r_type;
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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 boolean
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in_reloc_p(abfd, howto)
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bfd * abfd;
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reloc_howto_type *howto;
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{
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return 0; /* We don't do relocs for now... */
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}
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#endif
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#include "coffcode.h"
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static const bfd_target *
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ia64coff_object_p (abfd)
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bfd *abfd;
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{
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#ifdef COFF_IMAGE_WITH_PE
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/* We need to hack badly to handle a PE image correctly. In PE
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images created by the GNU linker, the offset to the COFF header
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is always the size. However, this is not the case in images
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generated by other PE linkers. The PE format stores a four byte
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offset to the PE signature just before the COFF header at
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location 0x3c of the file. We pick up that offset, verify that
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the PE signature is there, and then set ourselves up to read in
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the COFF header. */
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{
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bfd_byte ext_offset[4];
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file_ptr offset;
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bfd_byte ext_signature[4];
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unsigned long signature;
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if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0
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|| bfd_read (ext_offset, 1, 4, abfd) != 4)
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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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offset = bfd_h_get_32 (abfd, ext_offset);
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if (bfd_seek (abfd, offset, SEEK_SET) != 0
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|| bfd_read (ext_signature, 1, 4, abfd) != 4)
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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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signature = bfd_h_get_32 (abfd, ext_signature);
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if (signature != 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. We adjust so that that will work. 20
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is the size of the COFF filehdr. */
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if (bfd_seek (abfd,
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(bfd_tell (abfd)
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- bfd_coff_filhsz (abfd)
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+ 20),
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SEEK_SET)
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!= 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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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_dummy_target, ia64coff_object_p, /* bfd_check_format */
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bfd_generic_archive_p, ia64coff_object_p},
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{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
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bfd_false},
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{bfd_false, coff_write_object_contents, /* bfd_write_contents */
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_bfd_write_archive_contents, bfd_false},
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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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