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- /* BFD back-end for HP/Intel IA-64 COFF files.
- Copyright (C) 1999-2022 Free Software Foundation, Inc.
- Contributed by David Mosberger <davidm@hpl.hp.com>
- This file is part of BFD, the Binary File Descriptor library.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
- #include "sysdep.h"
- #include "bfd.h"
- #include "libbfd.h"
- #include "coff/ia64.h"
- #include "coff/internal.h"
- #include "coff/pe.h"
- #include "libcoff.h"
- #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
- /* Windows ia64 uses 8K page size. */
- #define COFF_PAGE_SIZE 0x2000
- static reloc_howto_type howto_table[] =
- {
- EMPTY_HOWTO (0),
- };
- #define BADMAG(x) IA64BADMAG(x)
- #define IA64 1 /* Customize coffcode.h */
- #ifdef COFF_WITH_pep
- # undef AOUTSZ
- # define AOUTSZ PEPAOUTSZ
- # define PEAOUTHDR PEPAOUTHDR
- #endif
- #define RTYPE2HOWTO(cache_ptr, dst) \
- (cache_ptr)->howto = howto_table;
- #ifdef COFF_WITH_PE
- /* Return TRUE if this relocation should
- appear in the output .reloc section. */
- static bool
- in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
- reloc_howto_type *howto ATTRIBUTE_UNUSED)
- {
- return false; /* We don't do relocs for now... */
- }
- #endif
- #ifndef bfd_pe_print_pdata
- #define bfd_pe_print_pdata NULL
- #endif
- #include "coffcode.h"
- static bfd_cleanup
- ia64coff_object_p (bfd *abfd)
- {
- #ifdef COFF_IMAGE_WITH_PE
- {
- struct external_DOS_hdr dos_hdr;
- struct external_PEI_IMAGE_hdr image_hdr;
- file_ptr offset;
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
- || (bfd_bread (&dos_hdr, (bfd_size_type) sizeof (dos_hdr), abfd)
- != sizeof (dos_hdr)))
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- /* There are really two magic numbers involved; the magic number
- that says this is a NT executable (PEI) and the magic number
- that determines the architecture. The former is IMAGE_DOS_SIGNATURE,
- stored in the e_magic field. The latter is stored in the
- f_magic field. If the NT magic number isn't valid, the
- architecture magic number could be mimicked by some other
- field (specifically, the number of relocs in section 3). Since
- this routine can only be called correctly for a PEI file, check
- the e_magic number here, and, if it doesn't match, clobber the
- f_magic number so that we don't get a false match. */
- if (H_GET_16 (abfd, dos_hdr.e_magic) != IMAGE_DOS_SIGNATURE)
- {
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- offset = H_GET_32 (abfd, dos_hdr.e_lfanew);
- if (bfd_seek (abfd, offset, SEEK_SET) != 0
- || (bfd_bread (&image_hdr, (bfd_size_type) sizeof (image_hdr), abfd)
- != sizeof (image_hdr)))
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- if (H_GET_32 (abfd, image_hdr.nt_signature)
- != 0x4550)
- {
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- /* Here is the hack. coff_object_p wants to read filhsz bytes to
- pick up the COFF header for PE, see "struct external_PEI_filehdr"
- in include/coff/pe.h. We adjust so that that will work. */
- if (bfd_seek (abfd, offset - sizeof (dos_hdr), SEEK_SET) != 0)
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- }
- #endif
- return coff_object_p (abfd);
- }
- const bfd_target
- #ifdef TARGET_SYM
- TARGET_SYM =
- #else
- ia64coff_vec =
- #endif
- {
- #ifdef TARGET_NAME
- TARGET_NAME,
- #else
- "coff-ia64", /* 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),
- #ifndef COFF_WITH_PE
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
- | SEC_CODE | SEC_DATA),
- #else
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
- | SEC_CODE | SEC_DATA
- | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
- #endif
- #ifdef TARGET_UNDERSCORE
- TARGET_UNDERSCORE, /* leading underscore */
- #else
- 0, /* leading underscore */
- #endif
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 0, /* match priority. */
- TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
- 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_check_format */
- _bfd_dummy_target,
- ia64coff_object_p,
- bfd_generic_archive_p,
- ia64coff_object_p
- },
- { /* bfd_set_format */
- _bfd_bool_bfd_false_error,
- coff_mkobject,
- _bfd_generic_mkarchive,
- _bfd_bool_bfd_false_error
- },
- { /* bfd_write_contents */
- _bfd_bool_bfd_false_error,
- coff_write_object_contents,
- _bfd_write_archive_contents,
- _bfd_bool_bfd_false_error
- },
- 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
- };
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