1993-06-30 02:52:52 +00:00
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/* Target definitions for 64-bit ELF
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Copyright 1993 Free Software Foundation, Inc.
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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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* This structure contains everything that BFD knows about a target.
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It includes things like its byte order, name, what routines to call
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to do various operations, etc. Every BFD points to a target structure
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with its "xvec" member.
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There are two such structures here: one for big-endian machines and
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one for little-endian machines. */
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/* Archives are generic or unimplemented. */
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#ifndef bfd_elf64_slurp_armap
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#define bfd_elf64_slurp_armap bfd_slurp_coff_armap
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#endif
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#define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table
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#define bfd_elf64_truncate_arname bfd_dont_truncate_arname
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#define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file
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#define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt
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#ifndef bfd_elf64_write_armap
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#define bfd_elf64_write_armap coff_write_armap
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#endif
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/* Ordinary section reading and writing */
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#define bfd_elf64_get_section_contents bfd_generic_get_section_contents
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#define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup
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#define bfd_elf64_bfd_debug_info_start bfd_void
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#define bfd_elf64_bfd_debug_info_end bfd_void
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#define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
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#define bfd_elf64_bfd_get_relocated_section_contents \
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bfd_generic_get_relocated_section_contents
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#define bfd_elf64_bfd_relax_section bfd_generic_relax_section
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#define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link
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#define bfd_elf64_bfd_make_debug_symbol \
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((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
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1993-07-26 18:46:37 +00:00
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#ifndef elf_info_to_howto_rel
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#define elf_info_to_howto_rel 0
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#endif
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#ifndef ELF_MAXPAGESIZE
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#define ELF_MAXPAGESIZE 1
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#endif
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1993-11-18 17:10:42 +00:00
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#ifndef elf_backend_sym_is_global
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#define elf_backend_sym_is_global 0
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#endif
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* elfcode.h (elf_object_p): Rather than looking through an array
of architectures, get the ELF EM_xxx code from the backend
information. Let the generic ELF target match any EM_xxx code not
matched by another ELF target. Call elf_backend_object_p to let
the backend do more checks and set global information.
* libelf.h (struct elf_backend_data): Added elf_machine_code and
elf_backend_object_p fields.
(struct bfd_elf_arch_map): Removed.
(bfd_elf_arch_map, bfd_elf_arch_map_size): Don't declare.
* elf32-target.h, elf64-target.h: Initialize elf_machine_code
field with ELF_MACHINE_CODE. Initialize elf_backend_object_p
field with elf_backend_object_p (if it is defined).
* elf32-gen.c, elf32-hppa.c, elf32-i386.c, elf32-i860.c,
elf32-m68k.c, elf32-m88k.c, elf32-mips.c, elf32-sparc.c,
elf64-gen.c (ELF_MACHINE_CODE): Defined.
* elf32-mips.c: Include ecoffswap.h to get ECOFF swapping
routines.
(mips_elf_object_p): Set the right machine number.
(mips_elf_ecoff_debug_swap): Defined.
(elf_backend_object_p): Defined to be mips_elf_object_p.
(elf_backend_ecoff_debug_swap): Defined to be
mips_elf_ecoff_debug_swap.
* elf.c (bfd_elf_arch_map, bfd_elf_arch_map_size): Removed.
* elf32-mips.c (elf_mips_howto_table): Don't complain on overflow
for R_MIPS_26. Correct overflow detection requires matching the
upper four bits of the destination against the PC. From Ted Lemon
<mellon@pepper.ncd.com>.
* elf32-hppa.c (elf_hppa_reloc_type_lookup): Return type
should point to const data.
1993-11-09 21:08:58 +00:00
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#ifndef elf_backend_object_p
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1993-11-18 17:10:42 +00:00
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#define elf_backend_object_p 0
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* elfcode.h (elf_object_p): Rather than looking through an array
of architectures, get the ELF EM_xxx code from the backend
information. Let the generic ELF target match any EM_xxx code not
matched by another ELF target. Call elf_backend_object_p to let
the backend do more checks and set global information.
* libelf.h (struct elf_backend_data): Added elf_machine_code and
elf_backend_object_p fields.
(struct bfd_elf_arch_map): Removed.
(bfd_elf_arch_map, bfd_elf_arch_map_size): Don't declare.
* elf32-target.h, elf64-target.h: Initialize elf_machine_code
field with ELF_MACHINE_CODE. Initialize elf_backend_object_p
field with elf_backend_object_p (if it is defined).
* elf32-gen.c, elf32-hppa.c, elf32-i386.c, elf32-i860.c,
elf32-m68k.c, elf32-m88k.c, elf32-mips.c, elf32-sparc.c,
elf64-gen.c (ELF_MACHINE_CODE): Defined.
* elf32-mips.c: Include ecoffswap.h to get ECOFF swapping
routines.
(mips_elf_object_p): Set the right machine number.
(mips_elf_ecoff_debug_swap): Defined.
(elf_backend_object_p): Defined to be mips_elf_object_p.
(elf_backend_ecoff_debug_swap): Defined to be
mips_elf_ecoff_debug_swap.
* elf.c (bfd_elf_arch_map, bfd_elf_arch_map_size): Removed.
* elf32-mips.c (elf_mips_howto_table): Don't complain on overflow
for R_MIPS_26. Correct overflow detection requires matching the
upper four bits of the destination against the PC. From Ted Lemon
<mellon@pepper.ncd.com>.
* elf32-hppa.c (elf_hppa_reloc_type_lookup): Return type
should point to const data.
1993-11-09 21:08:58 +00:00
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#endif
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1993-11-09 16:33:28 +00:00
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#ifndef elf_backend_symbol_processing
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1993-11-18 17:10:42 +00:00
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#define elf_backend_symbol_processing 0
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1993-11-09 16:33:28 +00:00
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#endif
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#ifndef elf_backend_symbol_table_processing
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1993-11-18 17:10:42 +00:00
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#define elf_backend_symbol_table_processing 0
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1993-11-09 16:33:28 +00:00
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#endif
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#ifndef elf_backend_section_processing
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1993-11-18 17:10:42 +00:00
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#define elf_backend_section_processing 0
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1993-11-09 16:33:28 +00:00
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#endif
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#ifndef elf_backend_section_from_shdr
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1993-11-18 17:10:42 +00:00
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#define elf_backend_section_from_shdr 0
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1993-11-09 16:33:28 +00:00
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#endif
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#ifndef elf_backend_fake_sections
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1993-11-18 17:10:42 +00:00
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#define elf_backend_fake_sections 0
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1993-11-09 16:33:28 +00:00
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#endif
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#ifndef elf_backend_section_from_bfd_section
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1993-11-18 17:10:42 +00:00
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#define elf_backend_section_from_bfd_section 0
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#endif
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#ifndef elf_backend_final_write_processing
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#define elf_backend_final_write_processing 0
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1993-11-09 16:33:28 +00:00
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#endif
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#ifndef elf_backend_ecoff_debug_swap
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1993-11-18 17:10:42 +00:00
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#define elf_backend_ecoff_debug_swap 0
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1993-11-09 16:33:28 +00:00
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#endif
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1993-06-30 02:52:52 +00:00
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static CONST struct elf_backend_data elf64_bed =
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{
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#ifdef USE_REL
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0, /* use_rela_p */
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#else
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1, /* use_rela_p */
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#endif
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1993-11-09 16:33:28 +00:00
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1, /* elf_64_p */
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1993-06-30 02:52:52 +00:00
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ELF_ARCH, /* arch */
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* elfcode.h (elf_object_p): Rather than looking through an array
of architectures, get the ELF EM_xxx code from the backend
information. Let the generic ELF target match any EM_xxx code not
matched by another ELF target. Call elf_backend_object_p to let
the backend do more checks and set global information.
* libelf.h (struct elf_backend_data): Added elf_machine_code and
elf_backend_object_p fields.
(struct bfd_elf_arch_map): Removed.
(bfd_elf_arch_map, bfd_elf_arch_map_size): Don't declare.
* elf32-target.h, elf64-target.h: Initialize elf_machine_code
field with ELF_MACHINE_CODE. Initialize elf_backend_object_p
field with elf_backend_object_p (if it is defined).
* elf32-gen.c, elf32-hppa.c, elf32-i386.c, elf32-i860.c,
elf32-m68k.c, elf32-m88k.c, elf32-mips.c, elf32-sparc.c,
elf64-gen.c (ELF_MACHINE_CODE): Defined.
* elf32-mips.c: Include ecoffswap.h to get ECOFF swapping
routines.
(mips_elf_object_p): Set the right machine number.
(mips_elf_ecoff_debug_swap): Defined.
(elf_backend_object_p): Defined to be mips_elf_object_p.
(elf_backend_ecoff_debug_swap): Defined to be
mips_elf_ecoff_debug_swap.
* elf.c (bfd_elf_arch_map, bfd_elf_arch_map_size): Removed.
* elf32-mips.c (elf_mips_howto_table): Don't complain on overflow
for R_MIPS_26. Correct overflow detection requires matching the
upper four bits of the destination against the PC. From Ted Lemon
<mellon@pepper.ncd.com>.
* elf32-hppa.c (elf_hppa_reloc_type_lookup): Return type
should point to const data.
1993-11-09 21:08:58 +00:00
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ELF_MACHINE_CODE, /* elf_machine_code */
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1993-11-09 16:33:28 +00:00
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ELF_MAXPAGESIZE, /* maxpagesize */
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1993-11-18 17:10:42 +00:00
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elf_info_to_howto,
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elf_info_to_howto_rel,
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elf_backend_sym_is_global,
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elf_backend_object_p,
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elf_backend_symbol_processing,
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elf_backend_symbol_table_processing,
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elf_backend_section_processing,
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elf_backend_section_from_shdr,
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elf_backend_fake_sections,
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elf_backend_section_from_bfd_section,
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elf_backend_ecoff_debug_swap
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1993-06-30 02:52:52 +00:00
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};
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#ifdef TARGET_BIG_SYM
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bfd_target TARGET_BIG_SYM =
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{
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/* name: identify kind of target */
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TARGET_BIG_NAME,
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/* flavour: general indication about file */
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bfd_target_elf_flavour,
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/* byteorder_big_p: data is big endian */
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true,
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/* header_byteorder_big_p: header is also big endian */
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true,
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/* object_flags: mask of all file flags */
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(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
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DYNAMIC | WP_TEXT),
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/* section_flags: mask of all section flags */
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
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1993-09-23 15:14:12 +00:00
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SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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1993-06-30 02:52:52 +00:00
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/* leading_symbol_char: is the first char of a user symbol
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predictable, and if so what is it */
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0,
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/* ar_pad_char: pad character for filenames within an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and/or os and should be independently tunable */
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'/',
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/* ar_max_namelen: maximum number of characters in an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and should be independently tunable. This value is
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a WAG (wild a** guess) */
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15,
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/* align_power_min: minimum alignment restriction for any section
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FIXME: this value may be target machine dependent */
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3,
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/* Routines to byte-swap various sized integers from the data sections */
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1993-09-07 18:32:33 +00:00
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bfd_getb64, bfd_getb_signed_64, bfd_putb64,
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bfd_getb32, bfd_getb_signed_32, bfd_putb32,
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bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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1993-06-30 02:52:52 +00:00
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/* Routines to byte-swap various sized integers from the file headers */
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1993-09-07 18:32:33 +00:00
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bfd_getb64, bfd_getb_signed_64, bfd_putb64,
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bfd_getb32, bfd_getb_signed_32, bfd_putb32,
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bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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1993-06-30 02:52:52 +00:00
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/* bfd_check_format: check the format of a file being read */
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{ _bfd_dummy_target, /* unknown format */
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bfd_elf64_object_p, /* assembler/linker output (object file) */
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bfd_generic_archive_p, /* an archive */
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bfd_elf64_core_file_p /* a core file */
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},
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/* bfd_set_format: set the format of a file being written */
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{ bfd_false,
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bfd_elf_mkobject,
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_bfd_generic_mkarchive,
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bfd_false
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},
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/* bfd_write_contents: write cached information into a file being written */
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{ bfd_false,
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bfd_elf64_write_object_contents,
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_bfd_write_archive_contents,
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bfd_false
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},
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/* Initialize a jump table with the standard macro. All names start with
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"elf" */
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JUMP_TABLE(bfd_elf64),
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/* backend_data: */
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(PTR) &elf64_bed,
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};
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#endif
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#ifdef TARGET_LITTLE_SYM
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bfd_target TARGET_LITTLE_SYM =
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{
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/* name: identify kind of target */
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TARGET_LITTLE_NAME,
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/* flavour: general indication about file */
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bfd_target_elf_flavour,
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/* byteorder_big_p: data is big endian */
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false, /* Nope -- this one's little endian */
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/* header_byteorder_big_p: header is also big endian */
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false, /* Nope -- this one's little endian */
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/* object_flags: mask of all file flags */
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(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
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DYNAMIC | WP_TEXT),
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/* section_flags: mask of all section flags */
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
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1993-09-23 15:14:12 +00:00
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SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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1993-06-30 02:52:52 +00:00
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/* leading_symbol_char: is the first char of a user symbol
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predictable, and if so what is it */
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0,
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/* ar_pad_char: pad character for filenames within an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and/or os and should be independently tunable */
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|
|
|
|
'/',
|
|
|
|
|
|
|
|
|
|
/* 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 */
|
1993-09-07 18:32:33 +00:00
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
|
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
|
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
|
1993-06-30 02:52:52 +00:00
|
|
|
|
|
|
|
|
/* Routines to byte-swap various sized integers from the file headers */
|
1993-09-07 18:32:33 +00:00
|
|
|
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
|
|
|
|
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
|
|
|
|
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
|
1993-06-30 02:52:52 +00:00
|
|
|
|
|
|
|
|
/* 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
|