binutils-gdb

Commit Graph

Author	SHA1	Message	Date
Ken Raeburn	ef4b8f6687	* opncls.c (bfd_realloc): Deleted, since it's broken and fixing it would make it slow. Besides, it isn't used much. * elfcode.h (elf_map_symbols): Always allocate new storage for the symbol table.	32 years ago
Ken Raeburn	4c0322704f	* cofflink.c (_bfd_coff_final_link): Cast argument to bfd_h_put_32 to correct type. (coff_read_string_table): Cast argument to bfd_h_get_32 to correct type. * elfcode.h (elf_link_output_extsym): Cast argument to bfd_elf_hash to correct type.	32 years ago
Ian Lance Taylor	fb562be02f	* elfcode.h (elf_bfd_final_link): Remove assertion when a non SEC_IN_MEMORY section is found in dynobj. This can happen when linking PIC compiled code.	32 years ago
Ken Raeburn	64e21e0fd7	* elf.c (bfd_elf_print_symbol): Moved here from elf_print_symbol in elfcode.h. (case bfd_print_symbol_all): Print symbol's size field, except for common symbols; print their alignment. * elfcode.h (elf_print_symbol): Deleted. * libelf.h (bfd_elf_print_symbol): Declare. (bfd_elf{32,64}_print_symbol): Replace declarations with macros.	32 years ago
Ian Lance Taylor	0d9e139762	tipo	32 years ago
Ian Lance Taylor	57b400818d	* elfcode.h (map_program_segments): Don't abort if we allocated too much space for the program header, only if we allocated too little.	32 years ago
Ian Lance Taylor	3c9832f89f	* elfcode.h (swap_out_syms): Set the type of an undefined symbol to STT_FUNC if the BSF_FUNCTION flag is set.	32 years ago
Ian Lance Taylor	0822b56d66	* elfcode.h (NAME(bfd_elf,size_dynamic_sections)): Add soname argument, and use it to set DT_SONAME dynamic entry. * bfd-in.h (bfd_elf32_size_dynamic_sections): Update prototype. (bfd_elf64_size_dynamic_sections): Update prototype. * bfd-in2.h: Rebuilt.	32 years ago
Ian Lance Taylor	823609fe90	* elfcode.h (bfd_section_from_shdr): If a SHT_SYMTAB section in a shared object has SHF_ALLOC set, create a BFD section for it. (elf_section_from_bfd_section): There may be a BFD section for a SHT_SYMTAB section.	32 years ago
Ian Lance Taylor	e9227b4255	* elfcode.h (section_from_elf_index): Correct check for invalid section index.	33 years ago
Ian Lance Taylor	1c640609d8	* elfcode.h (elf_link_add_object_symbols): If there is no symbol table, try using the dynamic symbol table. From Eric Youngdale <ericy@cais.cais.com>.	33 years ago
Jean Marie Diaz	df9e066f4b	* elfcode.h (map_program_segments): Check DYNAMIC as well as EXEC_P. (assign_file_positions_except_relocs): Likewise.	33 years ago
Jean Marie Diaz	99dd775492	ELF linker patches from Eric Youngdale <ericy@cais.cais.com>. * elfcode.h (elf_link_create_dynamic_sections): Set type of _DYNAMIC to STT_OBJECT. (NAME(bfd_elf,record_link_assignment)): Always create hash table entry. Set type to STT_OBJECT. (elf_link_output_extsym): Don't set type of weak defined symbol to STB_WEAK if symbol was referenced. * elf32-i386.c (elf_i386_create_dynamic_sections): Set type of _GLOBAL_OFFSET_TABLE to STT_OBJECT. (elf_i386_check_relocs): Ignore local PLT32 relocs. (elf_i386_relocate_section): Treat local PLT32 relocs as PC32.	33 years ago
Ian Lance Taylor	30e5ad97e9	* elfcode.h (elf_adjust_dynamic_symbol): Correct weak symbol handling again.	33 years ago
Ian Lance Taylor	d510fd893a	* elfcode.h (elf_slurp_reloc_table): Don't try to read the relocs if there aren't any.	33 years ago
Ian Lance Taylor	374d2ef905	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.	33 years ago
Ian Lance Taylor	7c6da9cade	* aoutx.h (aout_link_check_ar_symbols): When changing a symbol to common, set the alignment. (aout_link_add_symbols): Restrict the alignment of a common symbol to the alignment power given by the architecture. * elf.c (_bfd_elf_link_hash_newfunc): Don't initialize align. Do initialize copy_offset. * elf32-i386.c (elf_i386_adjust_dynamic_symbol): Use copy_offset field rather than align field. Get alignment using bfd_log2 rather than switch. * elf32-sparc.c (elf32_sparc_adjust_dynamic_symbol): Likewise. * elf32-i386.c (elf_i386_finish_dynamic_symbol): Use copy_offset, not align. * elf32-sparc.c (elf32_sparc_finish_dynamic_symbol): Likewise.	33 years ago
Ian Lance Taylor	f9779aad5a	* elfcode.h (NAME(bfd_elf,size_dynamic_sections)): Add rpath argument. If it is not NULL, use it to set DT_RPATH. * bfd-in.h (bfd_elf32_size_dynamic_sections): Update prototype. (bfd_elf64_size_dynamic_sections): Likewise. * bfd-in2.h: Rebuilt.	33 years ago
Ian Lance Taylor	bf73e4f3fe	* libelf.h (ELF_LINK_HASH_DEFINED_WEAK): Define. * elfcode.h (elf_link_add_object_symbols): If symbol is defined as weak, set ELF_LINK_HASH_DEFINED_WEAK. (elf_link_output_extsym): If symbol is defined as weak, mark it STB_WEAK.	33 years ago
Ian Lance Taylor	ea61717495	* libelf.h (struct bfd_elf_section_data): Add relocs field. (shdr_name): Remove; unused. * elfcode.h (elf_slurp_reloc_table): Rewrote to handle both REL and RELA relocs. Free up the unswapped relocs. Permit the relocs to be cached in the section_data. Correct the reloc address. (elf_slurp_reloca_table): Remove. (elf_canonicalize_reloc): Rewrote. (elf_link_input_bfd): Permit the relocs to be cached in the section data.	33 years ago
Peter Schauer	57a814a93e	* aix386-core.c, aoutf1.h, cisco-core.c, elfcode.h, hppabsd-core.c, hpux-core.c, irix-core.c, lynx-core.c, osf-core.c, ptrace-core.c, rs6000-core.c, trad-core.c: Remove SEC_ALLOC flag from .reg sections, .reg sections are not allocated and contain debug information only. * osf-core.c (make_bfd_asection, osf_core_core_file_p): Use bfd_make_section_anyway instead of building unique section names.	33 years ago
Ian Lance Taylor	71edd06df7	* elfcode.h (swap_out_syms): Get alignment of common symbol from st_value field of saved ELF symbol information, if there is any.	33 years ago
Ian Lance Taylor	8af74670df	Preliminary support for generating shared libraries, from Eric Youngdale <ericy@cais.cais.com>. * elfcode.h (prep_headers): If DYNAMIC, set e_type to ET_DYN. (elf_link_add_object_symbols): If generating a shared library, create dynamic sections for first input BFD with the right format. (elf_link_create_dynamic_sections): Don't create .interp section if creating a shared library. (elf_link_input_bfd): Skip dynamic sections in input file. (elf_bfd_final_link): If creating a shared library, it's OK for dynobj to have sections which are not SEC_IN_MEMORY. * elf32-i386.c (elf_i386_size_dynamic_sections): Only set .interp section if not creating a shared library. * elf32-sparc.c (elf_sparc_size_dynamic_sections): Likewise.	33 years ago
Ian Lance Taylor	51fc377bab	* elfcode.h (elf_object_p): Don't set DYNAMIC just because there is an SHT_DYNAMIC section.	33 years ago
Ian Lance Taylor	badd23e323	* section.c (bfd_abs_section): Make const. (bfd_abs_section_ptr, bfd_is_abs_section): Define. (bfd_und_section): Make const. (bfd_und_section_ptr, bfd_is_und_section): Define. (bfd_com_section): Make const. (bfd_com_section_ptr): Define. (bfd_ind_section): Make const. (bfd_ind_section_ptr, bfd_is_ind_section): Define. (bfd_abs_symbol, bfd_com_symbol): Make const. (bfd_und_symbol, bfd_ind_symbol): Likewise. (global_syms): Cast initialization of section field. (STD_SECTION): Define as const, and cast initializations. * bfd-in2.h: Rebuilt. * Many files: Change uses of bfd_abs_section, etc., to use bfd_abs_section_ptr or bfd_is_abs_section, etc.	33 years ago
Ian Lance Taylor	2f3508ad05	* Many files: change all bfd_target vectors to be const. Change all uses of bfd_target * to be const bfd_target . Change bfd_target_vector and bfd_default_vector arrays to be const bfd_target const *.	33 years ago
Ian Lance Taylor	6c8fa8e62c	* aoutx.h (NAME(aout,final_link)): Check flavour of sub, not abfd, when computing reloc sizes. From Eric Youngdale <ericy@cais.cais.com>. * elfcode.h (elf_bfd_final_link): Don't try to compute maximum reloc count or size for a non-ELF file.	33 years ago
Jeff Law	c46b8ed7e6	* elfcode.h (elf_link_input_bfd): Don't try to read local symbols if there aren't any in the input file.	33 years ago
Ian Lance Taylor	0ff5d3a69a	* elfcode.h (elf_bfd_final_link): If trying to generate a shared object, warn and return false.	33 years ago
Ian Lance Taylor	c1f84521bf	* libelf.h (struct elf_obj_tdata): New field dt_needed_name. (elf_dt_needed_name): New accessor macro. * elfcode.h (elf_link_add_object_symbols): If elf_dt_needed_name is set, use that instead of the filename for the DT_NEEDED dynamic entry. * elf.c (bfd_elf_set_dt_needed_name): New function. * bfd-in.h (bfd_elf_set_dt_needed_name): Declare. * bfd-in2.h: Rebuilt.	33 years ago
Ken Raeburn	5546cc7eb6	Tweak v9 support to ready it for release.	33 years ago
Ian Lance Taylor	7c726b6625	* elfcode.h (NAME(bfd_elf,size_dynamic_sections)): Add sinterpptr argument, and set it to the .interp section. * bfd-in.h (bfd_elf32_size_dynamic_sections): Update prototype. (bfd_elf64_size_dynamic_sections): Likewise. * bfd-in2.h: Rebuilt.	33 years ago
Ian Lance Taylor	e6667b2bc3	* elfcode.h (bfd_section_from_shdr): Don't turn a reloc section into a BFD section just because SHF_ALLOC is set; require that it not use the normal symbol table. (elf_section_from_bfd_section): Corresponding change.	33 years ago
Ian Lance Taylor	fa15568ac1	Changes to support ELF strip and objcopy on dynamically linked files. * elfcode.h (elf_fake_sections): Add prototype. (bfd_section_from_shdr): Make a BFD section from an SHT_HASH section, and from an SHT_DYNSYM section, and from the dynamic string table section. (elf_object_p): Set D_PAGED if there is a program header. (elf_make_sections): Remove. (fix_up_strtabs): Remove. (elf_fake_sections): Rewrite. Now sets sh_entsize. (assign_section_numbers): Rewrite. Now sets sh_link and sh_info for all sections. (elf_compute_section_file_positions): Don't call obsolete functions elf_make_sections or fix_up_strtabs. (swap_out_syms): Set sh_addralign to FILE_ALIGN rather than 4. (NAME(bfd_elf,write_object_contents)): Permit writing DYNAMIC objects. (elf_section_from_bfd_section): Treat SHT_DYNSYM like other normal sections. If an SHT_REL or SHT_RELA section is allocated or uses an unusual symbol table, permit a BFD section to map to it. Permit most SHT_STRTAB sections to have a BFD section mapped to them. (elf_bfd_final_link): Don't set sh_link, sh_info or sh_entsize fields of dynamic sections here; do it in assign_section_numbers. * elf32-target.h, elf64-target.h: Add D_PAGED to permitted object flags.	33 years ago
Ian Lance Taylor	5315c42827	Make MIPS ELF use new ELF backend linker. No shared library support yet. * elf32-mips.c (bfd_mips_elf32_swap_gptab_in): New function. (bfd_mips_elf32_swap_gptab_out): New function. (mips_elf_object_p): If last symbol is LOCAL, set elf_bad_symtab. (mips_elf_final_write_processing): Set sh_info field for .gptab.* sections. (mips_elf_fake_sections): Set sh_entsize for .gptab.* sections. (mips_elf_read_ecoff_info): Read and free external symbols last, not first, for clarity. (struct mips_elf_link_hash_entry): Define new structure. (struct mips_elf_link_hash_table): Define new structure. (mips_elf_link_hash_lookup): Define new macro. (mips_elf_link_hash_traverse): Define new macro. (mips_elf_hash_table): Define new macro. (mips_elf_link_hash_newfunc): New static function. (mips_elf_link_hash_table_create): New static function. (mips_elf_add_symbol_hook): New static function. (struct extsym_info): Define new structure. (mips_elf_get_extr, mips_elf_set_index): Remove. (mips_elf_output_extsym): New static function. (gptab_compare): New static function. (mips_elf_final_link): Rewrite to use ELF backend linker, and to merge gptab information in input files. (mips_elf_relocate_hi16): New static function. (mips_elf_relocate_section): New static function. (bfd_elf32_bfd_link_hash_table_create): Define as macro before including elf32-target.h. (elf_backend_relocate_section): Likewise. (elf_backend_add_symbol_hook): Likewise. * elf.c (_bfd_elf_link_hash_newfunc): Rename from elf_link_hash_newfunc and make globally visible. Change caller. (_bfd_elf_link_hash_table_init): New function, broken out of _bfd_elf_link_hash_table_create. (_bfd_elf_link_hash_table_create): Use _bfd_elf_link_hash_table_init. * libelf.h (struct elf_obj_tdata): Add new field bad_symtab. (elf_bad_symtab): Define new accessor macro. (_bfd_elf_link_hash_newfunc): Declare. (_bew_elf_link_hash_table_init): Declare. * elfcode.h (elf_object_p): Call backend object_p hook after swapping in all the section headers. (map_program_segments): Correct typo: Internal for External. (elf_link_add_object_symbols): If elf_bad_symtab is set, read all the symbols. Skip STB_LOCAL symbols rather than giving an error. (elf_bfd_final_link): If elf_bad_symtab is set, allocate space for all symbols, not just locals. (elf_link_output_extsym): Only skip a symbol not mentioned by a regular file if it is mentioned by a dynamic object. (elf_link_input_bfd): If elf_bad_symtab is set, read all the symbols.	33 years ago
Ian Lance Taylor	497c543457	* elf.c (_bfd_elf_make_section_from_shdr): New function, based on code repeated three times in bfd_section_from_shdr in elfcode.h. * libelf.h (_bfd_elf_make_section_from_shdr): Declare. * elfcode.h (bfd_section_from_shdr): Use new function _bfd_elf_make_section_from_shdr to create BFD sections. If a reloc section does not use the main symbol table, or it is part of the process image, treat it as a normal section, not relocs. * elf32-mips.c (mips_elf_section_from_shdr): Use new function _bfd_elf_make_section_from_shdr.	33 years ago
Ian Lance Taylor	6731b89c4b	Make map_program_segments tend to call abort rather than trash the stack in unhandled cases. Still covered by previous ChangeLog entry.	33 years ago
Ian Lance Taylor	013dec1ad9	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.	33 years ago
Jeff Law	459ae909b9	* bfd-in2.h: Rebuilt. * elf32-hppa.c: Change .hppa_linker_stubs to .PARISC.stubs, likewise for other PA specific sections. (hppa_elf_relocate_unwind_table): Delete unused function. (elf_hppa_howto_table): Completely new table based on 94-02-02 draft PA ELF spec. Change relocation tags appropriately throughout elf32-hppa.c (hppa_elf_gen_reloc_type): Rewrite and simplify based on 94-02-02 spec. (hppa_elf_reloc): Likewise. (hppa_look_for_stubs_in_section): Likewise (ELF_MACHINE_CODE): Change to EM_PARISC. * elf32-hppa.h: Include "elf/hppa.h". Change relocation tags appropriately throughout elf32-hppa.h. (elf32_hppa_reloc_type): New table based on 94-02-02 draft PA ELF spec. (R_HPPA_ABS_CALL, R_HPPA_COMPLEX, R_HPPA_UNWIND): Delete definitions. elfcode.h (prep_headers): Use EM_PARISC instead of EM_HPPA. * reloc.c (bfd_reloc_code_real): Delete unused HPPA relocations. * som.h (R_HPPA_ABS_CALL, R_HPPA_COMPLEX): Delete definitions. * libhppa.h (hppa_field_adjust): Avoid adding constant_value into the final value twice for LR and RR field selectors.	33 years ago
Ian Lance Taylor	6ec3bb6a75	* 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.	33 years ago
Ian Lance Taylor	ba436e33cd	* elfcode.h (write_relocs): Undo patch of Apr 10; breaks Solaris.	33 years ago
Ian Lance Taylor	2e03ce1861	* elfcode.h (bfd_section_from_shdr): Use bfd_make_section_anyway to create sections. Check return value of recursive calls. (bfd_section_from_phdr): Check return value of bfd_make_section. (elf_symbol_from_bfd_symbol): Likewise. (elf_object_p): Check return value of bfd_section_from_shdr. (section_from_elf_index): Likewise. (elf_slurp_symbol_table): Check return value of section_from_elf_index. (bfd_prstatus): Return boolean value. Check return value of bfd_make_section. (bfd_fpregset): Likewise. (bfd_prpsinfo): Return boolean value. (elf_corefile_note): Check return values of bfd_prstatus, bfd_fpregset, and bfd_prpsinfo. (elf_core_file_p): Check return value of elf_corefile_note.	33 years ago
Ian Lance Taylor	80a903c960	* aout-adobe.c (aout_adobe_set_arch_mach): Check return value of bfd_default_set_arch_mach. Accept bfd_arch_m68k as well as bfd_arch_unknown. * elfcode.h (elf_set_arch_mach): Don't check a list of ELF architectures, just see if the desired architecture matches what the ELF backend permits.	33 years ago
Peter Schauer	cb71adf12b	* libelf.h (elf_obj_tdata): Add members for dynamic symbol table handling. * elfcode.h (bfd_section_from_shdr): Handle dynamic symbol table. * elfcode.h (elf_slurp_symbol_table): Take additional parameter to select static or dynamic symbol table and return number of symbols slurped or -1 on error. * elfcode.h (elf_get_symtab): Set bfd symcount from elf_slurp_symbol_table result. * elfcode.h (elf_get_dynamic_symtab_upper_bound, elf_canonicalize_dynamic_symtab): New functions to handle dynamic symbol table. * elf32-target.h, elf64-target.h (BFD_JUMP_TABLE_DYNAMIC): Change to handle dynamic symbol table, provide default definitions for dynamic relocs. * aoutx.h (howto_table_std, NAME(aout,swap_std_reloc_out), NAME(aout,swap_std_reloc_in), aout_link_input_section_std, aout_link_reloc_link_order): Handle r_jmptable and r_relative relocations.	33 years ago
Ian Lance Taylor	bf08d1e266	* elfcode.h (assign_file_positions_except_relocs): Don't require the file alignment to correspond to the page size when linking with -N.	33 years ago
Jeff Law	9a5334e590	* elfcode.h (write_relocs): For rela relocations, adjust the addend for relocations involving section symbols to account for the lossage of 1:1 mapping from input section symbols to output section symbols.	33 years ago
Jeff Law	99a6c7613c	* elfcode.h (elf_set_section_contents): Support calling the backend function elf_backend_begin_write_processing when just beginning to write an object file. * libelf.h (elf_backend_begin_write_processing): Declare. * elf{32,64}-target.h (elf_backend_begin_write_processing): Provide a default definition. (elf{32,64}_bed): Add elf_backend_begin_write_processing. * elf32-hppa.h (elf_hppa_tc_symbol): Delete extern declaration. (elf_hppa_tc_make_sections): Likewise. * elf32-hppa.c (symext_chain_built): Delete. (symext_chain_size): Renamed from symextn_contents_real_size. (elf32_hppa_backend_{begin,final}_write_processing): New functions. (add_entry_to_symext_chain): New function. (hppa_elf_set_section_contents): Ignore writes to the symbol extension section until it's been rebuilt internally. (hppa_elf_get_section_contents): Symbol extension section is no longer special. (elf_backend_{begin,final}_write_processing): Define. (elf_hppa_tc_make_sections): Simplify now that much code has migrated into elf32_hppa_backend_{being,final}_write_processing.	33 years ago
Ian Lance Taylor	d909628bb7	* elfcode.h (write_shdrs_and_ehdr): Correct bfd_write check.	33 years ago
Ian Lance Taylor	b3cee0a981	* aoutx.h (NAME(aout,canonicalize_reloc)): Don't error out if section->relocation is NULL; malloc might have returned NULL when given a zero size if there were no relocations. * bout.c (b_out_canonicalize_reloc): Likewise. * coffcode.h (coff_canonicalize_reloc): Likewise. * ecoff.c (ecoff_canonicalize_reloc): Likewise. * elfcode.h (elf_canonicalize_reloc): Likewise. * mipsbsd.c (MY(canonicalize_reloc)): Likewise. * i386lynx.c (NAME(lynx,canonicalize_reloc)): Likewise. * nlmcode.h (nlm_canonicalize_reloc): Likewise. * som.c (som_canonicalize_reloc): Likewise. * hp300hpux.c (MY(slurp_reloc_table)): Likewise. Also, if malloc returns NULL, don't report an error if we asked for zero bytes. * i386lynx.c (NAME(lynx,slurp_reloc_table)): If malloc returns NULL, don't report an error if we asked for zero bytes. * nlmcode.h (nlm_slurp_reloc_fixups): Likewise.	33 years ago
Ian Lance Taylor	4002f18a05	Made sure that every call to bfd_read, bfd_write, and bfd_seek checks the return value and handled bfd_error correctly. These changes are not itemised.	33 years ago

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92 Commits (bd5e713033c3eb768e39f70f91e05a66619ae5b3)