diff options
| -rw-r--r-- | bfd/elf64-generic.c | 36 | ||||
| -rw-r--r-- | bfd/elf64-target.h | 233 |
2 files changed, 269 insertions, 0 deletions
diff --git a/bfd/elf64-generic.c b/bfd/elf64-generic.c new file mode 100644 index 0000000..1e5954f --- /dev/null +++ b/bfd/elf64-generic.c @@ -0,0 +1,36 @@ +/* Generic support for 64-bit ELF + Copyright 1993 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "libelf.h" + +/* This does not include any relocations, but should be good enough + for GDB to read the file. */ + +#define TARGET_LITTLE_SYM bfd_elf64_little_generic_vec +#define TARGET_LITTLE_NAME "elf64-little" +#define TARGET_BIG_SYM bfd_elf64_big_generic_vec +#define TARGET_BIG_NAME "elf64-big" +#define ELF_ARCH bfd_arch_unknown +#define bfd_elf64_bfd_reloc_type_lookup bfd_default_reloc_type_lookup +#define elf_info_to_howto bfd_elf64_no_info_to_howto + +#include "elf64-target.h" diff --git a/bfd/elf64-target.h b/bfd/elf64-target.h new file mode 100644 index 0000000..f74fb6e --- /dev/null +++ b/bfd/elf64-target.h @@ -0,0 +1,233 @@ +/* Target definitions for 64-bit ELF + Copyright 1993 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This structure contains everything that BFD knows about a target. + It includes things like its byte order, name, what routines to call + to do various operations, etc. Every BFD points to a target structure + with its "xvec" member. + + There are two such structures here: one for big-endian machines and + one for little-endian machines. */ + +/* Archives are generic or unimplemented. */ +#ifndef bfd_elf64_slurp_armap +#define bfd_elf64_slurp_armap bfd_slurp_coff_armap +#endif +#define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table +#define bfd_elf64_truncate_arname bfd_dont_truncate_arname +#define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file +#define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt +#ifndef bfd_elf64_write_armap +#define bfd_elf64_write_armap coff_write_armap +#endif + +/* Ordinary section reading and writing */ +#define bfd_elf64_get_section_contents bfd_generic_get_section_contents +#define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup + +#define bfd_elf64_bfd_debug_info_start bfd_void +#define bfd_elf64_bfd_debug_info_end bfd_void +#define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void +#define bfd_elf64_bfd_get_relocated_section_contents \ + bfd_generic_get_relocated_section_contents +#define bfd_elf64_bfd_relax_section bfd_generic_relax_section +#define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link +#define bfd_elf64_bfd_make_debug_symbol \ + ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) + +static CONST struct elf_backend_data elf64_bed = +{ +#ifdef USE_REL + 0, /* use_rela_p */ +#else + 1, /* use_rela_p */ +#endif + 0, /* elf_64_p */ + ELF_ARCH, /* arch */ + elf_info_to_howto, /* elf_info_to_howto */ +#ifdef elf_info_to_howto_rel + elf_info_to_howto_rel, /* elf_info_to_howto_rel */ +#else + 0, /* elf_info_to_howto_rel */ +#endif +}; + +#ifdef TARGET_BIG_SYM +bfd_target TARGET_BIG_SYM = +{ + /* name: identify kind of target */ + TARGET_BIG_NAME, + + /* flavour: general indication about file */ + bfd_target_elf_flavour, + + /* byteorder_big_p: data is big endian */ + true, + + /* header_byteorder_big_p: header is also big endian */ + true, + + /* object_flags: mask of all file flags */ + (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | + DYNAMIC | WP_TEXT), + + /* section_flags: mask of all section flags */ + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | + SEC_CODE | SEC_DATA), + + /* leading_symbol_char: is the first char of a user symbol + predictable, and if so what is it */ + 0, + + /* ar_pad_char: pad character for filenames within an archive header + FIXME: this really has nothing to do with ELF, this is a characteristic + of the archiver and/or os and should be independently tunable */ + '/', + + /* ar_max_namelen: maximum number of characters in an archive header + FIXME: this really has nothing to do with ELF, this is a characteristic + of the archiver and should be independently tunable. This value is + a WAG (wild a** guess) */ + 15, + + /* align_power_min: minimum alignment restriction for any section + FIXME: this value may be target machine dependent */ + 3, + + /* Routines to byte-swap various sized integers from the data sections */ + _do_getb64, _do_getb_signed_64, _do_putb64, + _do_getb32, _do_getb_signed_32, _do_putb32, + _do_getb16, _do_getb_signed_16, _do_putb16, + + /* Routines to byte-swap various sized integers from the file headers */ + _do_getb64, _do_getb_signed_64, _do_putb64, + _do_getb32, _do_getb_signed_32, _do_putb32, + _do_getb16, _do_getb_signed_16, _do_putb16, + + /* bfd_check_format: check the format of a file being read */ + { _bfd_dummy_target, /* unknown format */ + bfd_elf64_object_p, /* assembler/linker output (object file) */ + bfd_generic_archive_p, /* an archive */ + bfd_elf64_core_file_p /* a core file */ + }, + + /* bfd_set_format: set the format of a file being written */ + { bfd_false, + bfd_elf_mkobject, + _bfd_generic_mkarchive, + bfd_false + }, + + /* bfd_write_contents: write cached information into a file being written */ + { bfd_false, + bfd_elf64_write_object_contents, + _bfd_write_archive_contents, + bfd_false + }, + + /* Initialize a jump table with the standard macro. All names start with + "elf" */ + JUMP_TABLE(bfd_elf64), + + /* backend_data: */ + (PTR) &elf64_bed, +}; +#endif + +#ifdef TARGET_LITTLE_SYM +bfd_target TARGET_LITTLE_SYM = +{ + /* name: identify kind of target */ + TARGET_LITTLE_NAME, + + /* flavour: general indication about file */ + bfd_target_elf_flavour, + + /* byteorder_big_p: data is big endian */ + false, /* Nope -- this one's little endian */ + + /* header_byteorder_big_p: header is also big endian */ + false, /* Nope -- this one's little endian */ + + /* object_flags: mask of all file flags */ + (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | + DYNAMIC | WP_TEXT), + + /* section_flags: mask of all section flags */ + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | + SEC_DATA), + + /* leading_symbol_char: is the first char of a user symbol + predictable, and if so what is it */ + 0, + + /* ar_pad_char: pad character for filenames within an archive header + FIXME: this really has nothing to do with ELF, this is a characteristic + of the archiver and/or os and should be independently tunable */ + '/', + + /* ar_max_namelen: maximum number of characters in an archive header + FIXME: this really has nothing to do with ELF, this is a characteristic + of the archiver and should be independently tunable. This value is + a WAG (wild a** guess) */ + 15, + + /* align_power_min: minimum alignment restriction for any section + FIXME: this value may be target machine dependent */ + 3, + + /* Routines to byte-swap various sized integers from the data sections */ + _do_getl64, _do_getl_signed_64, _do_putl64, + _do_getl32, _do_getl_signed_32, _do_putl32, + _do_getl16, _do_getl_signed_16, _do_putl16, + + /* Routines to byte-swap various sized integers from the file headers */ + _do_getl64, _do_getl_signed_64, _do_putl64, + _do_getl32, _do_getl_signed_32, _do_putl32, + _do_getl16, _do_getl_signed_16, _do_putl16, + + /* bfd_check_format: check the format of a file being read */ + { _bfd_dummy_target, /* unknown format */ + bfd_elf64_object_p, /* assembler/linker output (object file) */ + bfd_generic_archive_p, /* an archive */ + bfd_elf64_core_file_p /* a core file */ + }, + + /* bfd_set_format: set the format of a file being written */ + { bfd_false, + bfd_elf_mkobject, + _bfd_generic_mkarchive, + bfd_false + }, + + /* bfd_write_contents: write cached information into a file being written */ + { bfd_false, + bfd_elf64_write_object_contents, + _bfd_write_archive_contents, + bfd_false + }, + + /* Initialize a jump table with the standard macro. All names start with + "elf" */ + JUMP_TABLE(bfd_elf64), + + /* backend_data: */ + (PTR) &elf64_bed, +}; +#endif |