diff options
Diffstat (limited to 'binutils-2.25/bfd/coff-ia64.c')
| -rw-r--r-- | binutils-2.25/bfd/coff-ia64.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/coff-ia64.c b/binutils-2.25/bfd/coff-ia64.c new file mode 100644 index 00000000..3f172bd4 --- /dev/null +++ b/binutils-2.25/bfd/coff-ia64.c @@ -0,0 +1,203 @@ +/* BFD back-end for HP/Intel IA-64 COFF files. + Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2011, 2012 + 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 + (dst)->r_type; + +#ifdef COFF_WITH_PE +/* Return TRUE if this relocation should + appear in the output .reloc section. */ + +static bfd_boolean +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 const bfd_target * +ia64coff_object_p (bfd *abfd) +{ +#ifdef COFF_IMAGE_WITH_PE + { + struct external_PEI_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 DOSMAGIC, + 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) != DOSMAGIC) + { + 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. */ + + 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, ia64coff_object_p, /* bfd_check_format */ + bfd_generic_archive_p, ia64coff_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 +}; |