diff options
Diffstat (limited to 'bfd/coff-aarch64.c')
| -rw-r--r-- | bfd/coff-aarch64.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/bfd/coff-aarch64.c b/bfd/coff-aarch64.c new file mode 100644 index 0000000..a9bc417 --- /dev/null +++ b/bfd/coff-aarch64.c @@ -0,0 +1,166 @@ +/* BFD back-end for AArch64 COFF files. + Copyright (C) 2021 Free Software Foundation, Inc. + + 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. */ + + +#ifndef COFF_WITH_peAArch64 +#define COFF_WITH_peAArch64 +#endif + +/* Note we have to make sure not to include headers twice. + Not all headers are wrapped in #ifdef guards, so we define + PEI_HEADERS to prevent double including here. */ +#ifndef PEI_HEADERS +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "coff/aarch64.h" +#include "coff/internal.h" +#include "coff/pe.h" +#include "libcoff.h" +#include "libiberty.h" +#endif + +#include "libcoff.h" + +/* The page size is a guess based on ELF. */ + +#define COFF_PAGE_SIZE 0x1000 + +/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1. */ +#define OCTETS_PER_BYTE(ABFD, SEC) 1 + +#ifndef PCRELOFFSET +#define PCRELOFFSET true +#endif + +/* Currently we don't handle any relocations. */ +static reloc_howto_type pe_aarch64_std_reloc_howto[] = + { + + }; + +#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2 +#define COFF_PAGE_SIZE 0x1000 + +#ifndef NUM_ELEM +#define NUM_ELEM(a) ((sizeof (a)) / sizeof ((a)[0])) +#endif + +#define NUM_RELOCS NUM_ELEM (pe_aarch64_std_reloc_howto) + +#define RTYPE2HOWTO(cache_ptr, dst) \ + (cache_ptr)->howto = NULL + +#ifndef bfd_pe_print_pdata +#define bfd_pe_print_pdata NULL +#endif + +/* 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) +{ + return !howto->pc_relative; +} + +#include "coffcode.h" + +/* Target vectors. */ +const bfd_target +#ifdef TARGET_SYM + TARGET_SYM = +#else + aarch64_pei_vec = +#endif +{ +#ifdef TARGET_NAME + TARGET_NAME, +#else + "pei-aarch64-little", /* 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 | BFD_COMPRESS | BFD_DECOMPRESS), + + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */ +#if defined(COFF_WITH_PE) + | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING +#endif + | SEC_CODE | SEC_DATA | SEC_EXCLUDE ), + +#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. */ + + /* Data conversion functions. */ + 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. */ + /* Header conversion functions. */ + 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, + coff_object_p, + bfd_generic_archive_p, + coff_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 +}; |