old-cross-binutils/bfd/elf64-target.h

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1993-06-30 02:52:52 +00:00
/* Target definitions for 64-bit ELF
Copyright 1993, 1994 Free Software Foundation, Inc.
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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. */
#define bfd_elf64_close_and_cleanup _bfd_generic_close_and_cleanup
#define bfd_elf64_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
#ifndef bfd_elf64_get_section_contents
#define bfd_elf64_get_section_contents _bfd_generic_get_section_contents
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#endif
#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_make_debug_symbol \
((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
#ifndef bfd_elf64_bfd_copy_private_section_data
#define bfd_elf64_bfd_copy_private_section_data \
((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
#endif
#ifndef bfd_elf64_bfd_copy_private_bfd_data
#define bfd_elf64_bfd_copy_private_bfd_data \
((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
#endif
#ifndef bfd_elf64_bfd_is_local_label
#define bfd_elf64_bfd_is_local_label bfd_generic_is_local_label
#endif
#ifndef bfd_elf64_get_dynamic_reloc_upper_bound
#define bfd_elf64_get_dynamic_reloc_upper_bound \
_bfd_nodynamic_get_dynamic_reloc_upper_bound
#endif
#ifndef bfd_elf64_canonicalize_dynamic_reloc
#define bfd_elf64_canonicalize_dynamic_reloc \
_bfd_nodynamic_canonicalize_dynamic_reloc
#endif
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
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#ifdef elf_backend_relocate_section
#ifndef bfd_elf64_bfd_link_hash_table_create
#define bfd_elf64_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
#endif
#else /* ! defined (elf_backend_relocate_section) */
/* If no backend relocate_section routine, use the generic linker. */
#ifndef bfd_elf64_bfd_link_hash_table_create
#define bfd_elf64_bfd_link_hash_table_create \
_bfd_generic_link_hash_table_create
#endif
#ifndef bfd_elf64_bfd_link_add_symbols
#define bfd_elf64_bfd_link_add_symbols _bfd_generic_link_add_symbols
#endif
#ifndef bfd_elf64_bfd_final_link
#define bfd_elf64_bfd_final_link _bfd_generic_final_link
#endif
#endif /* ! defined (elf_backend_relocate_section) */
#ifndef elf_info_to_howto_rel
#define elf_info_to_howto_rel 0
#endif
#ifndef ELF_MAXPAGESIZE
#define ELF_MAXPAGESIZE 1
#endif
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
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#ifndef elf_backend_collect
#define elf_backend_collect false
#endif
#ifndef elf_backend_sym_is_global
#define elf_backend_sym_is_global 0
#endif
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#ifndef elf_backend_object_p
#define elf_backend_object_p 0
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#endif
#ifndef elf_backend_symbol_processing
#define elf_backend_symbol_processing 0
#endif
#ifndef elf_backend_symbol_table_processing
#define elf_backend_symbol_table_processing 0
#endif
#ifndef elf_backend_section_processing
#define elf_backend_section_processing 0
#endif
#ifndef elf_backend_section_from_shdr
#define elf_backend_section_from_shdr 0
#endif
#ifndef elf_backend_fake_sections
#define elf_backend_fake_sections 0
#endif
#ifndef elf_backend_section_from_bfd_section
#define elf_backend_section_from_bfd_section 0
#endif
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
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#ifndef elf_backend_add_symbol_hook
#define elf_backend_add_symbol_hook 0
#endif
* Support code for enabling the new style linker for PA ELF. * elfcode.h (swap_symbol_in, swap_symbol_out): Externalize. (elf_compute_section_file_positions): Pass link_info to the begin_write_processing hook. (bfd_elf_write_object_contents): Pass NULL for new link_info argument to final_write_processing hook. (elf_link_output_sym): Accept new "input_section" argument for the symbols's input section. All callers changed. Call the link_output_symbol_hook if it's defined. (elf_bfd_final_link): Call the final_write_processing hook if it's defined. * libelf.h (elf_backend_link_output_symbol_hook): Declare. (elf_backend_begin_write_processing): Add new "info" argument. (elf_backend_final_write_processing): Likewise. * elf32-target.h (elf_backend_link_output_symbol_hook): Provide a default definition. (elf32_bed): Add elf_backend_link_output_symbol_hook. * elf64-target.h: Likewise. * Major rework of the PA ELF code. Uses the new style BFD linker, major cleanups. * hppa_stubs.h: Rewrite from scratch. Much smaller and simpler. * elf32-hppa.h: Delete all symbol extension related code. (hppa_look_for_stubs_in_section): Delete decl. (elf32_hppa_size_stubs, elf32_hppa_build_stubs): New decls. * elf32-hppa.c: Symbol extension stuff moved form elf32-hppa.h into elf32-hppa.c. Do not include aout64.h. (typdef hppa_stub_type): Delete. (elf32_hppa_stub_name_list_struct): Delete. (elf32_hppa_stub_description_struct): Delete. (arg_reloc_type): Use simpler enumerations. All references changed. (arg_location, arg_reloc_relocation): Likewise. (elf32_hppa_symextn_map_struct): Delete. (get_symbol_value): Delete. (elf32_hppa_get_sym_extn): Delete. (find_stubs, new_stubs, type_of_mismatch): Delete. (find_stub_by_name, add_stub_by_name): Delete. (hppa_elf_stub_finish, hppa_elf_stub_reloc): Delete. (hppa_elf_arg_reloc_needed): Renamed. Simplify. (hppa_elf_build_linker_stub, hppa_elf_create_stub_sec): Delete. (hppa_elf_long_branch_needed_p): Delete. (hppa_look_for_stubs_in_section): Delete. (hppa_elf_get_section_contents): Delete. (elf32_hppa_backend_symbol_processing): Delete. (elf32_hppa_backend_section_processing): Delete. (elf32_hppa_backend_section_from_shdr): Delete. (elf32_hppa_backend_fake_sections): Delete. (elf32_hppa_backend_section_from_bfd_section): Delete. (NEW_INSTRUCTION): Delete. (CURRENT_STUB_OFFSET): Delete. (elf32_hppa_relocate_section): New function. (elf32_hppa_bfd_final_link_relocate): New function. (elf32_hppa_size_symext): New function. (elf32_hppa_link_output_symbol_hook): New function. (elf32_hppa_read_symext_info): New function. (elf32_hppa_add_symbol_hook): New function. (elf32_hppa_name_of_stub): New function. (elf32_hppa_size_of_stub): New function. (elf32_hppa_build_one_sub): New function. (elf32_hppa_build_stubs): New function. (elf32_hppa_size_stubs): New function. (linker, stub and argument hash tables): Add appropriate structures, definitions and functions to implement all three hash tables. (hppa_elf_relocate_insn): Don't need argument location information in this function. (add_entry_to_symext_chain): Accept a symbol's argument location information rather than the symbol itself. All callers changed. (hppa_elf_gen_reloc_type): Simplify. (hppa_elf_set_section_contents): Stub section is no longer special. (hppa_elf_reloc): Greatly simplify. (elf32_hppa_begin_write_processing): Accept link_info argument. Handle being called from the BFD backend linker. (elf32_hppa_final_write_processing): Likewise. (elf_hppa_tc_make_sections): No longer call stub_finish.
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#ifndef elf_backend_link_output_symbol_hook
#define elf_backend_link_output_symbol_hook 0
#endif
Add support for ELF shared libraries. Loosely based on work by Eric Youngdale <ericy@cais.com>. * libelf.h (struct elf_backend_data): Add new fields for dynamic linking: elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_size_dynamic_sections, elf_backend_finish_dynamic_symbol, elf_backend_finish_dynamic_sections. (struct elf_link_hash_entry): Change type of align field to bfd_size_type. Add fields dynindx, dynstr_index, weakdef, elf_link_hash_flags. (struct elf_link_hash_table): Add fields dynobj, dynsymcount, dynstr, bucketcount. (bfd_elf32_swap_reloc_in, bfd_elf32_swap_reloc_out): Declare. (bfd_elf32_swap_reloca_in, bfd_elf32_swap_reloca_out): Declare. (bfd_elf32_swap_dyn_in, bfd_elf32_swap_dyn_out): Declare. (bfd_elf32_add_dynamic_entry): Declare. (bfd_elf64_swap_reloc_in, bfd_elf64_swap_reloc_out): Declare. (bfd_elf64_swap_reloca_in, bfd_elf64_swap_reloca_out): Declare. (bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out): Declare. (bfd_elf64_add_dynamic_entry): Declare. * elfcode.h (Elf_External_Dyn): Define. (elf_swap_reloc_in): Define as macro using NAME. Make externally visible. (elf_swap_reloc_out): Likewise. (elf_swap_reloca_in, elf_swap_reloca_out): Likewise. (elf_swap_dyn_in, elf_swap_dyn_out): Define as macro using NAME and as new externally visible function. (elf_fake_sections): Set section type of dynamic sections based on section names. (elf_write_phdrs): Remove. (assign_file_position_for_section): Add new align argument. Change all callers. (get_program_header_size): New static function. (struct seg_info): Remove. (map_program_segments): Completely rewrite. (assign_file_positions_except_relocs): Completely rewrite. (assign_file_positions_for_relocs): Don't set a file position for sections which already have one. Don't bother to align the file position here. (section_from_elf_index): Handle SHT_HASH and SHT_DYNAMIC section types. (elf_section_from_bfd_section): Likewise. (elf_slurp_symbol_table): If section_from_elf_index fails, just use bfd_abs_section rather than returning an error. (elf_sizeof_headers): Make useful. (elf_link_record_dynamic_symbol): New static function. (elf_link_add_object_symbols): Handle dynamic objects. (elf_link_create_dynamic_sections): New static function. (elf_add_dynamic_entry): Define as macro using NAME and as new externally visible function. (NAME(bfd_elf,record_link_assignment)): New function. (elf_buckets): New static variable. (NAME(bfd_elf,size_dynamic_sections)): New function. (struct elf_final_link_info): Add dynsym_sec and hash_sec fields. (elf_bfd_final_link): Handle dynamic linking. Create a section symbol for all ELF sections, not all BFD sections. Store section symbol index in target_index field, not index field. Traverse over global symbols even if stripping. (elf_link_output_extsym): Output dynamic symbols. Mark symbols defined by dynamic objects as undefined. (elf_link_input_bfd): Ignore dynamic objects. Use target_index field for section relocs, and make sure it is set. (elf_reloc_link_order): Use target_index field for section relocs, and make sure it is set. * elf.c (elf_link_hash_newfunc): Initialize dynindx, dynstr_index, weakdef and elf_link_hash_flags fields. (_bfd_elf_link_hash_table_create): Initialize dynobj, dynsymcount, dynstr and bucketcount fields. * elf32-target.h: Initialize new dynamic linking fields. * elf64-target.h: Likewise. * elf32-i386.c: New functions for dynamic linking support. * elf32-sparc.c: Likewise. * bfd-in.h (bfd_elf32_record_link_assignment): Declare. (bfd_elf64_record_link_assignment): Declare. (bfd_elf32_size_dynamic_sections): Declare. (bfd_elf64_size_dynamic_sections): Declare. * bfd-in2.h: Rebuilt.
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#ifndef elf_backend_create_dynamic_sections
#define elf_backend_create_dynamic_sections 0
#endif
Add support for creating shared libraries under i386 ELF and SPARC ELF. Based on patches by Eric Youngdale <ericy@cais.cais.com>. * libelf.h (struct elf_link_hash_entry): Remove copy_offset field. Add got_offset and plt_offset fields. (ELF_LINK_HASH_REF_DYNAMIC_MULTIPLE): Don't define. (ELF_LINK_HASH_DEF_DYNAMIC_MULTIPLE): Don't define. (ELF_LINK_HASH_NEEDS_COPY): Define. (struct elf_backend_data): Add check_relocs field. (struct bfd_elf_section_data): Change relocs from PTR to Elf_Internal_Rela *. (struct elf_obj_tdata): Add local_got_offsets field. (elf_local_got_offsets): Define accessor macro. (bfd_elf32_link_create_dynamic_sections): Declare. (bfd_elf32_link_record_dynamic_symbol): Declare. (bfd_elf64_link_create_dynamic_sections): Declare. (bfd_elf64_link_record_dynamic_symbol): Declare. * elfcode.h (elf_slurp_reloc_table): Don't use the section data relocs field. (elf_link_record_dynamic_symbol): Make globally visible. Use macro to rename to NAME(bfd_elf,link_record_dynamic_symbol). (elf_link_add_object_symbols): If creating a shared library, put make all local symbols dynamic. Don't bother with the DYNAMIC_MULTIPLE flags. Call the check_relocs backend function if it is defined. (elf_link_create_dynamic_sections): Make globally visible. Use macro to rename to NAME(bfd_elf,link_create_dynamic_sections). If creating a shared library, make sure that _DYNAMIC is added as a dynamic symbol. (elf_link_read_relocs): New function. (NAME(bfd_elf,record_link_assignment)): If creating a shared library, always create symbols, and always make them dynamic. (elf_bfd_final_link): Permit creation of shared libraries. (elf_link_input_bfd): Use elf_link_read_relocs to get the relocs. * elf.c (_bfd_elf_link_hash_newfunc): Don't initialize copy_offset. Initialize got_offset and plt_offset. * elf32-target.h (elf_backend_check_relocs): Define as 0 if not defined. (elf32_bed): Initialize check_relocs field. * elf64-target.h (elf_backend_check_relocs): Define as 0 if not defined. (elf64_bed): Initialize check_relocs field. * elf32-i386.c (elf_howto_table): Change R_386_PLT32 and R_386_GOTPC to be pc_relative and pcrel_offset. (elf_i386_pic_plt0_entry): Define. (elf_i386_pic_plt_entry): Define. (elf_i386_create_dynamic_sections): Create a .got.plt section, and define _GLOBAL_OFFSET_TABLE_ at the start of it. If creating a shared library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a dynamic symbol. Don't create .rel.bss if creating a shared library. (elf_i386_check_relocs): New function. (elf_i386_adjust_dynamic_symbol): Don't make a PLT entry if the symbol already has one. When making a PLT entry, set plt_offset. Don't create a copy reloc when creating a shared library. Don't set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY. (elf_i386_allocate_dynamic_section): Remove. (elf_i386_size_dynamic_sections): Look through all the sections rather than assuming we know their names. Remove any empty reloc or plt sections. Only add a DT_DEBUG entry if not creating a shared library. Only add a DT_PLTGOT entry if there is a PLT. Add a DT_TEXTREL entry if required. (elf_i386_relocate_section): Permit undefined symbols when creating a shared library. Handle the special relocation types specially. (elf_i386_finish_dynamic_symbol): Create a PLT entry if plt_offset is set. If creating a shared library, produce a PIC PLT entry. Only mark a PLT symbol as undefined if it was not defined by a regular object file. Create a GOT entry if got_offset is set. Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set. (elf_i386_finish_dynamic_sections): Change the handling of DT_RELSZ to simply subtract out the size of .rel.plt. If creating a shared library, produce PIC PLT code. (elf_backend_check_relocs): Define. * elf32-sparc.c (elf_sparc_howto_table): Change R_SPARC_GOT10, R_SPARC_GOT22, and R_SPARC_PC10 to not warn about reloc overflow. (elf32_sparc_create_dynamic_sections): If creating a shared library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a dynamic symbol, and set the type to STT_OBJECT. Likewise for _PROCEDURE_LINKAGE_TABLE_. Don't create .rel.bss if creating a shared library. (elf32_sparc_check_relocs): New function. (elf32_sparc_adjust_dynamic_symbol): Don't make a PLT entry if the symbol already has one. When making a PLT entry, set plt_offset. Don't create a copy reloc when creating a shared library. Don't set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY. (elf32_sparc_allocate_dynamic_section): Remove. (elf32_sparc_size_dynamic_sections): Look through all the sections rather than assuming we know their names. Only add a DT_DEBUG entry if not creating a shared library. Add a DT_TEXTREL entry if required. (elf32_sparc_relocate_section): Permit undefined symbols when creating a shared library. Handle the special relocation types specially. (elf32_sparc_finish_dynamic_symbol): Create a PLT entry if plt_offset is set. Only mark a PLT symbol as undefined if it was not defined by a regular object file. Create a GOT entry if got_offset is set. Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set. (elf32_sparc_finish_dynamic_sections): Store dynobj in a local variable. (elf_backend_check_relocs): Define.
1994-07-26 17:18:37 +00:00
#ifndef elf_backend_check_relocs
#define elf_backend_check_relocs 0
#endif
Add support for ELF shared libraries. Loosely based on work by Eric Youngdale <ericy@cais.com>. * libelf.h (struct elf_backend_data): Add new fields for dynamic linking: elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_size_dynamic_sections, elf_backend_finish_dynamic_symbol, elf_backend_finish_dynamic_sections. (struct elf_link_hash_entry): Change type of align field to bfd_size_type. Add fields dynindx, dynstr_index, weakdef, elf_link_hash_flags. (struct elf_link_hash_table): Add fields dynobj, dynsymcount, dynstr, bucketcount. (bfd_elf32_swap_reloc_in, bfd_elf32_swap_reloc_out): Declare. (bfd_elf32_swap_reloca_in, bfd_elf32_swap_reloca_out): Declare. (bfd_elf32_swap_dyn_in, bfd_elf32_swap_dyn_out): Declare. (bfd_elf32_add_dynamic_entry): Declare. (bfd_elf64_swap_reloc_in, bfd_elf64_swap_reloc_out): Declare. (bfd_elf64_swap_reloca_in, bfd_elf64_swap_reloca_out): Declare. (bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out): Declare. (bfd_elf64_add_dynamic_entry): Declare. * elfcode.h (Elf_External_Dyn): Define. (elf_swap_reloc_in): Define as macro using NAME. Make externally visible. (elf_swap_reloc_out): Likewise. (elf_swap_reloca_in, elf_swap_reloca_out): Likewise. (elf_swap_dyn_in, elf_swap_dyn_out): Define as macro using NAME and as new externally visible function. (elf_fake_sections): Set section type of dynamic sections based on section names. (elf_write_phdrs): Remove. (assign_file_position_for_section): Add new align argument. Change all callers. (get_program_header_size): New static function. (struct seg_info): Remove. (map_program_segments): Completely rewrite. (assign_file_positions_except_relocs): Completely rewrite. (assign_file_positions_for_relocs): Don't set a file position for sections which already have one. Don't bother to align the file position here. (section_from_elf_index): Handle SHT_HASH and SHT_DYNAMIC section types. (elf_section_from_bfd_section): Likewise. (elf_slurp_symbol_table): If section_from_elf_index fails, just use bfd_abs_section rather than returning an error. (elf_sizeof_headers): Make useful. (elf_link_record_dynamic_symbol): New static function. (elf_link_add_object_symbols): Handle dynamic objects. (elf_link_create_dynamic_sections): New static function. (elf_add_dynamic_entry): Define as macro using NAME and as new externally visible function. (NAME(bfd_elf,record_link_assignment)): New function. (elf_buckets): New static variable. (NAME(bfd_elf,size_dynamic_sections)): New function. (struct elf_final_link_info): Add dynsym_sec and hash_sec fields. (elf_bfd_final_link): Handle dynamic linking. Create a section symbol for all ELF sections, not all BFD sections. Store section symbol index in target_index field, not index field. Traverse over global symbols even if stripping. (elf_link_output_extsym): Output dynamic symbols. Mark symbols defined by dynamic objects as undefined. (elf_link_input_bfd): Ignore dynamic objects. Use target_index field for section relocs, and make sure it is set. (elf_reloc_link_order): Use target_index field for section relocs, and make sure it is set. * elf.c (elf_link_hash_newfunc): Initialize dynindx, dynstr_index, weakdef and elf_link_hash_flags fields. (_bfd_elf_link_hash_table_create): Initialize dynobj, dynsymcount, dynstr and bucketcount fields. * elf32-target.h: Initialize new dynamic linking fields. * elf64-target.h: Likewise. * elf32-i386.c: New functions for dynamic linking support. * elf32-sparc.c: Likewise. * bfd-in.h (bfd_elf32_record_link_assignment): Declare. (bfd_elf64_record_link_assignment): Declare. (bfd_elf32_size_dynamic_sections): Declare. (bfd_elf64_size_dynamic_sections): Declare. * bfd-in2.h: Rebuilt.
1994-05-19 18:23:40 +00:00
#ifndef elf_backend_adjust_dynamic_symbol
#define elf_backend_adjust_dynamic_symbol 0
#endif
#ifndef elf_backend_size_dynamic_sections
#define elf_backend_size_dynamic_sections 0
#endif
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
1994-05-09 16:58:36 +00:00
#ifndef elf_backend_relocate_section
#define elf_backend_relocate_section 0
#endif
Add support for ELF shared libraries. Loosely based on work by Eric Youngdale <ericy@cais.com>. * libelf.h (struct elf_backend_data): Add new fields for dynamic linking: elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_size_dynamic_sections, elf_backend_finish_dynamic_symbol, elf_backend_finish_dynamic_sections. (struct elf_link_hash_entry): Change type of align field to bfd_size_type. Add fields dynindx, dynstr_index, weakdef, elf_link_hash_flags. (struct elf_link_hash_table): Add fields dynobj, dynsymcount, dynstr, bucketcount. (bfd_elf32_swap_reloc_in, bfd_elf32_swap_reloc_out): Declare. (bfd_elf32_swap_reloca_in, bfd_elf32_swap_reloca_out): Declare. (bfd_elf32_swap_dyn_in, bfd_elf32_swap_dyn_out): Declare. (bfd_elf32_add_dynamic_entry): Declare. (bfd_elf64_swap_reloc_in, bfd_elf64_swap_reloc_out): Declare. (bfd_elf64_swap_reloca_in, bfd_elf64_swap_reloca_out): Declare. (bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out): Declare. (bfd_elf64_add_dynamic_entry): Declare. * elfcode.h (Elf_External_Dyn): Define. (elf_swap_reloc_in): Define as macro using NAME. Make externally visible. (elf_swap_reloc_out): Likewise. (elf_swap_reloca_in, elf_swap_reloca_out): Likewise. (elf_swap_dyn_in, elf_swap_dyn_out): Define as macro using NAME and as new externally visible function. (elf_fake_sections): Set section type of dynamic sections based on section names. (elf_write_phdrs): Remove. (assign_file_position_for_section): Add new align argument. Change all callers. (get_program_header_size): New static function. (struct seg_info): Remove. (map_program_segments): Completely rewrite. (assign_file_positions_except_relocs): Completely rewrite. (assign_file_positions_for_relocs): Don't set a file position for sections which already have one. Don't bother to align the file position here. (section_from_elf_index): Handle SHT_HASH and SHT_DYNAMIC section types. (elf_section_from_bfd_section): Likewise. (elf_slurp_symbol_table): If section_from_elf_index fails, just use bfd_abs_section rather than returning an error. (elf_sizeof_headers): Make useful. (elf_link_record_dynamic_symbol): New static function. (elf_link_add_object_symbols): Handle dynamic objects. (elf_link_create_dynamic_sections): New static function. (elf_add_dynamic_entry): Define as macro using NAME and as new externally visible function. (NAME(bfd_elf,record_link_assignment)): New function. (elf_buckets): New static variable. (NAME(bfd_elf,size_dynamic_sections)): New function. (struct elf_final_link_info): Add dynsym_sec and hash_sec fields. (elf_bfd_final_link): Handle dynamic linking. Create a section symbol for all ELF sections, not all BFD sections. Store section symbol index in target_index field, not index field. Traverse over global symbols even if stripping. (elf_link_output_extsym): Output dynamic symbols. Mark symbols defined by dynamic objects as undefined. (elf_link_input_bfd): Ignore dynamic objects. Use target_index field for section relocs, and make sure it is set. (elf_reloc_link_order): Use target_index field for section relocs, and make sure it is set. * elf.c (elf_link_hash_newfunc): Initialize dynindx, dynstr_index, weakdef and elf_link_hash_flags fields. (_bfd_elf_link_hash_table_create): Initialize dynobj, dynsymcount, dynstr and bucketcount fields. * elf32-target.h: Initialize new dynamic linking fields. * elf64-target.h: Likewise. * elf32-i386.c: New functions for dynamic linking support. * elf32-sparc.c: Likewise. * bfd-in.h (bfd_elf32_record_link_assignment): Declare. (bfd_elf64_record_link_assignment): Declare. (bfd_elf32_size_dynamic_sections): Declare. (bfd_elf64_size_dynamic_sections): Declare. * bfd-in2.h: Rebuilt.
1994-05-19 18:23:40 +00:00
#ifndef elf_backend_finish_dynamic_symbol
#define elf_backend_finish_dynamic_symbol 0
#endif
#ifndef elf_backend_finish_dynamic_sections
#define elf_backend_finish_dynamic_sections 0
#endif
#ifndef elf_backend_begin_write_processing
#define elf_backend_begin_write_processing 0
#endif
#ifndef elf_backend_final_write_processing
#define elf_backend_final_write_processing 0
#endif
#ifndef elf_backend_ecoff_debug_swap
#define elf_backend_ecoff_debug_swap 0
#endif
1993-06-30 02:52:52 +00:00
static CONST struct elf_backend_data elf64_bed =
{
#ifdef USE_REL
0, /* use_rela_p */
#else
1, /* use_rela_p */
#endif
1, /* elf_64_p */
1993-06-30 02:52:52 +00:00
ELF_ARCH, /* arch */
1993-11-09 21:08:58 +00:00
ELF_MACHINE_CODE, /* elf_machine_code */
ELF_MAXPAGESIZE, /* maxpagesize */
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
1994-05-09 16:58:36 +00:00
elf_backend_collect,
elf_info_to_howto,
elf_info_to_howto_rel,
elf_backend_sym_is_global,
elf_backend_object_p,
elf_backend_symbol_processing,
elf_backend_symbol_table_processing,
elf_backend_section_processing,
elf_backend_section_from_shdr,
elf_backend_fake_sections,
elf_backend_section_from_bfd_section,
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
1994-05-09 16:58:36 +00:00
elf_backend_add_symbol_hook,
* Support code for enabling the new style linker for PA ELF. * elfcode.h (swap_symbol_in, swap_symbol_out): Externalize. (elf_compute_section_file_positions): Pass link_info to the begin_write_processing hook. (bfd_elf_write_object_contents): Pass NULL for new link_info argument to final_write_processing hook. (elf_link_output_sym): Accept new "input_section" argument for the symbols's input section. All callers changed. Call the link_output_symbol_hook if it's defined. (elf_bfd_final_link): Call the final_write_processing hook if it's defined. * libelf.h (elf_backend_link_output_symbol_hook): Declare. (elf_backend_begin_write_processing): Add new "info" argument. (elf_backend_final_write_processing): Likewise. * elf32-target.h (elf_backend_link_output_symbol_hook): Provide a default definition. (elf32_bed): Add elf_backend_link_output_symbol_hook. * elf64-target.h: Likewise. * Major rework of the PA ELF code. Uses the new style BFD linker, major cleanups. * hppa_stubs.h: Rewrite from scratch. Much smaller and simpler. * elf32-hppa.h: Delete all symbol extension related code. (hppa_look_for_stubs_in_section): Delete decl. (elf32_hppa_size_stubs, elf32_hppa_build_stubs): New decls. * elf32-hppa.c: Symbol extension stuff moved form elf32-hppa.h into elf32-hppa.c. Do not include aout64.h. (typdef hppa_stub_type): Delete. (elf32_hppa_stub_name_list_struct): Delete. (elf32_hppa_stub_description_struct): Delete. (arg_reloc_type): Use simpler enumerations. All references changed. (arg_location, arg_reloc_relocation): Likewise. (elf32_hppa_symextn_map_struct): Delete. (get_symbol_value): Delete. (elf32_hppa_get_sym_extn): Delete. (find_stubs, new_stubs, type_of_mismatch): Delete. (find_stub_by_name, add_stub_by_name): Delete. (hppa_elf_stub_finish, hppa_elf_stub_reloc): Delete. (hppa_elf_arg_reloc_needed): Renamed. Simplify. (hppa_elf_build_linker_stub, hppa_elf_create_stub_sec): Delete. (hppa_elf_long_branch_needed_p): Delete. (hppa_look_for_stubs_in_section): Delete. (hppa_elf_get_section_contents): Delete. (elf32_hppa_backend_symbol_processing): Delete. (elf32_hppa_backend_section_processing): Delete. (elf32_hppa_backend_section_from_shdr): Delete. (elf32_hppa_backend_fake_sections): Delete. (elf32_hppa_backend_section_from_bfd_section): Delete. (NEW_INSTRUCTION): Delete. (CURRENT_STUB_OFFSET): Delete. (elf32_hppa_relocate_section): New function. (elf32_hppa_bfd_final_link_relocate): New function. (elf32_hppa_size_symext): New function. (elf32_hppa_link_output_symbol_hook): New function. (elf32_hppa_read_symext_info): New function. (elf32_hppa_add_symbol_hook): New function. (elf32_hppa_name_of_stub): New function. (elf32_hppa_size_of_stub): New function. (elf32_hppa_build_one_sub): New function. (elf32_hppa_build_stubs): New function. (elf32_hppa_size_stubs): New function. (linker, stub and argument hash tables): Add appropriate structures, definitions and functions to implement all three hash tables. (hppa_elf_relocate_insn): Don't need argument location information in this function. (add_entry_to_symext_chain): Accept a symbol's argument location information rather than the symbol itself. All callers changed. (hppa_elf_gen_reloc_type): Simplify. (hppa_elf_set_section_contents): Stub section is no longer special. (hppa_elf_reloc): Greatly simplify. (elf32_hppa_begin_write_processing): Accept link_info argument. Handle being called from the BFD backend linker. (elf32_hppa_final_write_processing): Likewise. (elf_hppa_tc_make_sections): No longer call stub_finish.
1994-07-01 19:00:17 +00:00
elf_backend_link_output_symbol_hook,
Add support for ELF shared libraries. Loosely based on work by Eric Youngdale <ericy@cais.com>. * libelf.h (struct elf_backend_data): Add new fields for dynamic linking: elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_size_dynamic_sections, elf_backend_finish_dynamic_symbol, elf_backend_finish_dynamic_sections. (struct elf_link_hash_entry): Change type of align field to bfd_size_type. Add fields dynindx, dynstr_index, weakdef, elf_link_hash_flags. (struct elf_link_hash_table): Add fields dynobj, dynsymcount, dynstr, bucketcount. (bfd_elf32_swap_reloc_in, bfd_elf32_swap_reloc_out): Declare. (bfd_elf32_swap_reloca_in, bfd_elf32_swap_reloca_out): Declare. (bfd_elf32_swap_dyn_in, bfd_elf32_swap_dyn_out): Declare. (bfd_elf32_add_dynamic_entry): Declare. (bfd_elf64_swap_reloc_in, bfd_elf64_swap_reloc_out): Declare. (bfd_elf64_swap_reloca_in, bfd_elf64_swap_reloca_out): Declare. (bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out): Declare. (bfd_elf64_add_dynamic_entry): Declare. * elfcode.h (Elf_External_Dyn): Define. (elf_swap_reloc_in): Define as macro using NAME. Make externally visible. (elf_swap_reloc_out): Likewise. (elf_swap_reloca_in, elf_swap_reloca_out): Likewise. (elf_swap_dyn_in, elf_swap_dyn_out): Define as macro using NAME and as new externally visible function. (elf_fake_sections): Set section type of dynamic sections based on section names. (elf_write_phdrs): Remove. (assign_file_position_for_section): Add new align argument. Change all callers. (get_program_header_size): New static function. (struct seg_info): Remove. (map_program_segments): Completely rewrite. (assign_file_positions_except_relocs): Completely rewrite. (assign_file_positions_for_relocs): Don't set a file position for sections which already have one. Don't bother to align the file position here. (section_from_elf_index): Handle SHT_HASH and SHT_DYNAMIC section types. (elf_section_from_bfd_section): Likewise. (elf_slurp_symbol_table): If section_from_elf_index fails, just use bfd_abs_section rather than returning an error. (elf_sizeof_headers): Make useful. (elf_link_record_dynamic_symbol): New static function. (elf_link_add_object_symbols): Handle dynamic objects. (elf_link_create_dynamic_sections): New static function. (elf_add_dynamic_entry): Define as macro using NAME and as new externally visible function. (NAME(bfd_elf,record_link_assignment)): New function. (elf_buckets): New static variable. (NAME(bfd_elf,size_dynamic_sections)): New function. (struct elf_final_link_info): Add dynsym_sec and hash_sec fields. (elf_bfd_final_link): Handle dynamic linking. Create a section symbol for all ELF sections, not all BFD sections. Store section symbol index in target_index field, not index field. Traverse over global symbols even if stripping. (elf_link_output_extsym): Output dynamic symbols. Mark symbols defined by dynamic objects as undefined. (elf_link_input_bfd): Ignore dynamic objects. Use target_index field for section relocs, and make sure it is set. (elf_reloc_link_order): Use target_index field for section relocs, and make sure it is set. * elf.c (elf_link_hash_newfunc): Initialize dynindx, dynstr_index, weakdef and elf_link_hash_flags fields. (_bfd_elf_link_hash_table_create): Initialize dynobj, dynsymcount, dynstr and bucketcount fields. * elf32-target.h: Initialize new dynamic linking fields. * elf64-target.h: Likewise. * elf32-i386.c: New functions for dynamic linking support. * elf32-sparc.c: Likewise. * bfd-in.h (bfd_elf32_record_link_assignment): Declare. (bfd_elf64_record_link_assignment): Declare. (bfd_elf32_size_dynamic_sections): Declare. (bfd_elf64_size_dynamic_sections): Declare. * bfd-in2.h: Rebuilt.
1994-05-19 18:23:40 +00:00
elf_backend_create_dynamic_sections,
Add support for creating shared libraries under i386 ELF and SPARC ELF. Based on patches by Eric Youngdale <ericy@cais.cais.com>. * libelf.h (struct elf_link_hash_entry): Remove copy_offset field. Add got_offset and plt_offset fields. (ELF_LINK_HASH_REF_DYNAMIC_MULTIPLE): Don't define. (ELF_LINK_HASH_DEF_DYNAMIC_MULTIPLE): Don't define. (ELF_LINK_HASH_NEEDS_COPY): Define. (struct elf_backend_data): Add check_relocs field. (struct bfd_elf_section_data): Change relocs from PTR to Elf_Internal_Rela *. (struct elf_obj_tdata): Add local_got_offsets field. (elf_local_got_offsets): Define accessor macro. (bfd_elf32_link_create_dynamic_sections): Declare. (bfd_elf32_link_record_dynamic_symbol): Declare. (bfd_elf64_link_create_dynamic_sections): Declare. (bfd_elf64_link_record_dynamic_symbol): Declare. * elfcode.h (elf_slurp_reloc_table): Don't use the section data relocs field. (elf_link_record_dynamic_symbol): Make globally visible. Use macro to rename to NAME(bfd_elf,link_record_dynamic_symbol). (elf_link_add_object_symbols): If creating a shared library, put make all local symbols dynamic. Don't bother with the DYNAMIC_MULTIPLE flags. Call the check_relocs backend function if it is defined. (elf_link_create_dynamic_sections): Make globally visible. Use macro to rename to NAME(bfd_elf,link_create_dynamic_sections). If creating a shared library, make sure that _DYNAMIC is added as a dynamic symbol. (elf_link_read_relocs): New function. (NAME(bfd_elf,record_link_assignment)): If creating a shared library, always create symbols, and always make them dynamic. (elf_bfd_final_link): Permit creation of shared libraries. (elf_link_input_bfd): Use elf_link_read_relocs to get the relocs. * elf.c (_bfd_elf_link_hash_newfunc): Don't initialize copy_offset. Initialize got_offset and plt_offset. * elf32-target.h (elf_backend_check_relocs): Define as 0 if not defined. (elf32_bed): Initialize check_relocs field. * elf64-target.h (elf_backend_check_relocs): Define as 0 if not defined. (elf64_bed): Initialize check_relocs field. * elf32-i386.c (elf_howto_table): Change R_386_PLT32 and R_386_GOTPC to be pc_relative and pcrel_offset. (elf_i386_pic_plt0_entry): Define. (elf_i386_pic_plt_entry): Define. (elf_i386_create_dynamic_sections): Create a .got.plt section, and define _GLOBAL_OFFSET_TABLE_ at the start of it. If creating a shared library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a dynamic symbol. Don't create .rel.bss if creating a shared library. (elf_i386_check_relocs): New function. (elf_i386_adjust_dynamic_symbol): Don't make a PLT entry if the symbol already has one. When making a PLT entry, set plt_offset. Don't create a copy reloc when creating a shared library. Don't set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY. (elf_i386_allocate_dynamic_section): Remove. (elf_i386_size_dynamic_sections): Look through all the sections rather than assuming we know their names. Remove any empty reloc or plt sections. Only add a DT_DEBUG entry if not creating a shared library. Only add a DT_PLTGOT entry if there is a PLT. Add a DT_TEXTREL entry if required. (elf_i386_relocate_section): Permit undefined symbols when creating a shared library. Handle the special relocation types specially. (elf_i386_finish_dynamic_symbol): Create a PLT entry if plt_offset is set. If creating a shared library, produce a PIC PLT entry. Only mark a PLT symbol as undefined if it was not defined by a regular object file. Create a GOT entry if got_offset is set. Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set. (elf_i386_finish_dynamic_sections): Change the handling of DT_RELSZ to simply subtract out the size of .rel.plt. If creating a shared library, produce PIC PLT code. (elf_backend_check_relocs): Define. * elf32-sparc.c (elf_sparc_howto_table): Change R_SPARC_GOT10, R_SPARC_GOT22, and R_SPARC_PC10 to not warn about reloc overflow. (elf32_sparc_create_dynamic_sections): If creating a shared library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a dynamic symbol, and set the type to STT_OBJECT. Likewise for _PROCEDURE_LINKAGE_TABLE_. Don't create .rel.bss if creating a shared library. (elf32_sparc_check_relocs): New function. (elf32_sparc_adjust_dynamic_symbol): Don't make a PLT entry if the symbol already has one. When making a PLT entry, set plt_offset. Don't create a copy reloc when creating a shared library. Don't set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY. (elf32_sparc_allocate_dynamic_section): Remove. (elf32_sparc_size_dynamic_sections): Look through all the sections rather than assuming we know their names. Only add a DT_DEBUG entry if not creating a shared library. Add a DT_TEXTREL entry if required. (elf32_sparc_relocate_section): Permit undefined symbols when creating a shared library. Handle the special relocation types specially. (elf32_sparc_finish_dynamic_symbol): Create a PLT entry if plt_offset is set. Only mark a PLT symbol as undefined if it was not defined by a regular object file. Create a GOT entry if got_offset is set. Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set. (elf32_sparc_finish_dynamic_sections): Store dynobj in a local variable. (elf_backend_check_relocs): Define.
1994-07-26 17:18:37 +00:00
elf_backend_check_relocs,
Add support for ELF shared libraries. Loosely based on work by Eric Youngdale <ericy@cais.com>. * libelf.h (struct elf_backend_data): Add new fields for dynamic linking: elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_size_dynamic_sections, elf_backend_finish_dynamic_symbol, elf_backend_finish_dynamic_sections. (struct elf_link_hash_entry): Change type of align field to bfd_size_type. Add fields dynindx, dynstr_index, weakdef, elf_link_hash_flags. (struct elf_link_hash_table): Add fields dynobj, dynsymcount, dynstr, bucketcount. (bfd_elf32_swap_reloc_in, bfd_elf32_swap_reloc_out): Declare. (bfd_elf32_swap_reloca_in, bfd_elf32_swap_reloca_out): Declare. (bfd_elf32_swap_dyn_in, bfd_elf32_swap_dyn_out): Declare. (bfd_elf32_add_dynamic_entry): Declare. (bfd_elf64_swap_reloc_in, bfd_elf64_swap_reloc_out): Declare. (bfd_elf64_swap_reloca_in, bfd_elf64_swap_reloca_out): Declare. (bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out): Declare. (bfd_elf64_add_dynamic_entry): Declare. * elfcode.h (Elf_External_Dyn): Define. (elf_swap_reloc_in): Define as macro using NAME. Make externally visible. (elf_swap_reloc_out): Likewise. (elf_swap_reloca_in, elf_swap_reloca_out): Likewise. (elf_swap_dyn_in, elf_swap_dyn_out): Define as macro using NAME and as new externally visible function. (elf_fake_sections): Set section type of dynamic sections based on section names. (elf_write_phdrs): Remove. (assign_file_position_for_section): Add new align argument. Change all callers. (get_program_header_size): New static function. (struct seg_info): Remove. (map_program_segments): Completely rewrite. (assign_file_positions_except_relocs): Completely rewrite. (assign_file_positions_for_relocs): Don't set a file position for sections which already have one. Don't bother to align the file position here. (section_from_elf_index): Handle SHT_HASH and SHT_DYNAMIC section types. (elf_section_from_bfd_section): Likewise. (elf_slurp_symbol_table): If section_from_elf_index fails, just use bfd_abs_section rather than returning an error. (elf_sizeof_headers): Make useful. (elf_link_record_dynamic_symbol): New static function. (elf_link_add_object_symbols): Handle dynamic objects. (elf_link_create_dynamic_sections): New static function. (elf_add_dynamic_entry): Define as macro using NAME and as new externally visible function. (NAME(bfd_elf,record_link_assignment)): New function. (elf_buckets): New static variable. (NAME(bfd_elf,size_dynamic_sections)): New function. (struct elf_final_link_info): Add dynsym_sec and hash_sec fields. (elf_bfd_final_link): Handle dynamic linking. Create a section symbol for all ELF sections, not all BFD sections. Store section symbol index in target_index field, not index field. Traverse over global symbols even if stripping. (elf_link_output_extsym): Output dynamic symbols. Mark symbols defined by dynamic objects as undefined. (elf_link_input_bfd): Ignore dynamic objects. Use target_index field for section relocs, and make sure it is set. (elf_reloc_link_order): Use target_index field for section relocs, and make sure it is set. * elf.c (elf_link_hash_newfunc): Initialize dynindx, dynstr_index, weakdef and elf_link_hash_flags fields. (_bfd_elf_link_hash_table_create): Initialize dynobj, dynsymcount, dynstr and bucketcount fields. * elf32-target.h: Initialize new dynamic linking fields. * elf64-target.h: Likewise. * elf32-i386.c: New functions for dynamic linking support. * elf32-sparc.c: Likewise. * bfd-in.h (bfd_elf32_record_link_assignment): Declare. (bfd_elf64_record_link_assignment): Declare. (bfd_elf32_size_dynamic_sections): Declare. (bfd_elf64_size_dynamic_sections): Declare. * bfd-in2.h: Rebuilt.
1994-05-19 18:23:40 +00:00
elf_backend_adjust_dynamic_symbol,
elf_backend_size_dynamic_sections,
* elfcode.h: Include bfdlink.h. Added several new functions to do linking. (ELF_R_TYPE): Define. (bfd_add_to_strtab): Return unsigned long. Change check for realloc failure. (elf_fake_sections): Check return value of bfd_add_to_strtab. (elf_compute_section_file_positions): Add link_info argument. Call elf_backend_begin_write_processing hook and prep_headers here. Only call swap_out_syms if link_info is NULL. Set up .shstrtab section here. Pass dosyms argument to assign_file_positions_except_relocs. Set output_has_begun flag. (assign_file_positions_for_symtab_and_strtabs): Add dosyms argument, and use it to control setting .symtab and .strtab file positions. (assign_file_positions_except_relocs): Add dosyms argument, and pass it on. (prep_headers): Check return value of bfd_add_to_strtab. (swap_out_syms): Likewise. Also, don't set up .shstrtab here. (NAME(bfd_elf,write_object_contents)): Some calls moved into elf_compute_section_file_positions. (elf_set_section_contents): Likewise. (elf_slurp_symbol_table): SHN_LORESERV corrected to SHN_LORESERVE. * libelf.h: Include bfdlink.h. (struct elf_backend_data): Add fields collect, elf_add_symbol_hook, elf_backend_relocate_section. (struct bfd_elf_section_data): Add field rel_hashes. (struct elf_obj_tdata): Remove fields internal_syms and symbols. Add field sym_hashes. (obj_symbols, obj_internal_syms): Remove definitions. (elf_sym_hashes): Define. (struct elf_link_hash_entry): Define. (struct elf_link_hash_table): Define. (elf_link_hash_lookup): Define. (elf_link_hash_traverse): Define. (elf_hash_table): Define. (_bfd_elf_link_hash_table_create): Declare. (bfd_elf32_bfd_link_add_symbols): Declare. (bfd_elf32_bfd_final_link): Declare. (bfd_elf64_bfd_link_add_symbols): Declare. (bfd_elf64_bfd_final_link): Declare. * elf.c: Include bfdlink.h. (elf_link_hash_newfunc): New function. (_bfd_elf_link_hash_table_create): New function. * elf32-target.h (elf_backend_relocate_section): If not defined, define as 0 and use generic linker. Otherwise, use ELF backend linker. (elf_backend_collect): If not defined, define as false. (elf_backend_add_symbol_hook): If not defined, define as 0. (elf32_bed): Initialize new fields. * elf64-target.h: Same changes as elf32-target.h. * elf32-i386.c: Include bfdlink.h. (elf_i386_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-sparc.c: Include bfdlink.h. (elf_info_to_howto): Change type of dst from Elf32_Internal_Rela to Elf_Internal_Rela (they're the same type anyhow). (elf_sparc_relocate_section): New function. (elf_backend_relocate_section): Define. * elf32-mips.c (elf_backend_collect): Define.
1994-05-09 16:58:36 +00:00
elf_backend_relocate_section,
Add support for ELF shared libraries. Loosely based on work by Eric Youngdale <ericy@cais.com>. * libelf.h (struct elf_backend_data): Add new fields for dynamic linking: elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_size_dynamic_sections, elf_backend_finish_dynamic_symbol, elf_backend_finish_dynamic_sections. (struct elf_link_hash_entry): Change type of align field to bfd_size_type. Add fields dynindx, dynstr_index, weakdef, elf_link_hash_flags. (struct elf_link_hash_table): Add fields dynobj, dynsymcount, dynstr, bucketcount. (bfd_elf32_swap_reloc_in, bfd_elf32_swap_reloc_out): Declare. (bfd_elf32_swap_reloca_in, bfd_elf32_swap_reloca_out): Declare. (bfd_elf32_swap_dyn_in, bfd_elf32_swap_dyn_out): Declare. (bfd_elf32_add_dynamic_entry): Declare. (bfd_elf64_swap_reloc_in, bfd_elf64_swap_reloc_out): Declare. (bfd_elf64_swap_reloca_in, bfd_elf64_swap_reloca_out): Declare. (bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out): Declare. (bfd_elf64_add_dynamic_entry): Declare. * elfcode.h (Elf_External_Dyn): Define. (elf_swap_reloc_in): Define as macro using NAME. Make externally visible. (elf_swap_reloc_out): Likewise. (elf_swap_reloca_in, elf_swap_reloca_out): Likewise. (elf_swap_dyn_in, elf_swap_dyn_out): Define as macro using NAME and as new externally visible function. (elf_fake_sections): Set section type of dynamic sections based on section names. (elf_write_phdrs): Remove. (assign_file_position_for_section): Add new align argument. Change all callers. (get_program_header_size): New static function. (struct seg_info): Remove. (map_program_segments): Completely rewrite. (assign_file_positions_except_relocs): Completely rewrite. (assign_file_positions_for_relocs): Don't set a file position for sections which already have one. Don't bother to align the file position here. (section_from_elf_index): Handle SHT_HASH and SHT_DYNAMIC section types. (elf_section_from_bfd_section): Likewise. (elf_slurp_symbol_table): If section_from_elf_index fails, just use bfd_abs_section rather than returning an error. (elf_sizeof_headers): Make useful. (elf_link_record_dynamic_symbol): New static function. (elf_link_add_object_symbols): Handle dynamic objects. (elf_link_create_dynamic_sections): New static function. (elf_add_dynamic_entry): Define as macro using NAME and as new externally visible function. (NAME(bfd_elf,record_link_assignment)): New function. (elf_buckets): New static variable. (NAME(bfd_elf,size_dynamic_sections)): New function. (struct elf_final_link_info): Add dynsym_sec and hash_sec fields. (elf_bfd_final_link): Handle dynamic linking. Create a section symbol for all ELF sections, not all BFD sections. Store section symbol index in target_index field, not index field. Traverse over global symbols even if stripping. (elf_link_output_extsym): Output dynamic symbols. Mark symbols defined by dynamic objects as undefined. (elf_link_input_bfd): Ignore dynamic objects. Use target_index field for section relocs, and make sure it is set. (elf_reloc_link_order): Use target_index field for section relocs, and make sure it is set. * elf.c (elf_link_hash_newfunc): Initialize dynindx, dynstr_index, weakdef and elf_link_hash_flags fields. (_bfd_elf_link_hash_table_create): Initialize dynobj, dynsymcount, dynstr and bucketcount fields. * elf32-target.h: Initialize new dynamic linking fields. * elf64-target.h: Likewise. * elf32-i386.c: New functions for dynamic linking support. * elf32-sparc.c: Likewise. * bfd-in.h (bfd_elf32_record_link_assignment): Declare. (bfd_elf64_record_link_assignment): Declare. (bfd_elf32_size_dynamic_sections): Declare. (bfd_elf64_size_dynamic_sections): Declare. * bfd-in2.h: Rebuilt.
1994-05-19 18:23:40 +00:00
elf_backend_finish_dynamic_symbol,
elf_backend_finish_dynamic_sections,
elf_backend_begin_write_processing,
elf_backend_final_write_processing,
elf_backend_ecoff_debug_swap
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};
#ifdef TARGET_BIG_SYM
const bfd_target TARGET_BIG_SYM =
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{
/* 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 | D_PAGED),
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/* section_flags: mask of all section flags */
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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/* 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) */
14,
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/* 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 */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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/* Routines to byte-swap various sized integers from the file headers */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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/* 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
},
BFD_JUMP_TABLE_GENERIC (bfd_elf64),
BFD_JUMP_TABLE_COPY (bfd_elf64),
BFD_JUMP_TABLE_CORE (bfd_elf64),
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
BFD_JUMP_TABLE_SYMBOLS (bfd_elf64),
BFD_JUMP_TABLE_RELOCS (bfd_elf64),
BFD_JUMP_TABLE_WRITE (bfd_elf64),
BFD_JUMP_TABLE_LINK (bfd_elf64),
BFD_JUMP_TABLE_DYNAMIC (bfd_elf64),
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/* backend_data: */
(PTR) &elf64_bed,
};
#endif
#ifdef TARGET_LITTLE_SYM
const bfd_target TARGET_LITTLE_SYM =
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{
/* 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 | D_PAGED),
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/* section_flags: mask of all section flags */
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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/* 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) */
14,
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/* 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 */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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/* Routines to byte-swap various sized integers from the file headers */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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/* 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
},
BFD_JUMP_TABLE_GENERIC (bfd_elf64),
BFD_JUMP_TABLE_COPY (bfd_elf64),
BFD_JUMP_TABLE_CORE (bfd_elf64),
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
BFD_JUMP_TABLE_SYMBOLS (bfd_elf64),
BFD_JUMP_TABLE_RELOCS (bfd_elf64),
BFD_JUMP_TABLE_WRITE (bfd_elf64),
BFD_JUMP_TABLE_LINK (bfd_elf64),
BFD_JUMP_TABLE_DYNAMIC (bfd_elf64),
1993-06-30 02:52:52 +00:00
/* backend_data: */
(PTR) &elf64_bed,
};
#endif