| Age | Commit message (Collapse) | Author | Files | Lines |
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This patch defines a bunch of new functions to use in the BFD target
structs rather than casting bfd_false or bfd_true and similar stub
functions. I've also renamed the stub functions to reflect their
parameters and put "error" in the name if they set bfd_error. The
latter change is important since there were quite a few uses of
bfd_false where setting bfd_error was inappropriate, for example in
elf_backend_allow_non_load_phdr and is_target_special_symbol.
* libbfd.c (_bfd_bool_bfd_false_error): Rename from bfd_false.
(_bfd_bool_bfd_true): Rename from bfd_true.
(_bfd_ptr_bfd_null_error): Rename from bfd_nullvoidptr.
(_bfd_int_bfd_0): Rename from bfd_0.
(_bfd_uint_bfd_0): Rename from bfd_0u.
(_bfd_long_bfd_0): Rename from bfd_0l.
(_bfd_long_bfd_n1_error): Rename from _bfd_n1.
(_bfd_void_bfd): Rename from bfd_void.
(_bfd_bool_bfd_false, _bfd_bool_bfd_asymbol_false),
(_bfd_bool_bfd_link_false_error),
(_bfd_bool_bfd_link_true, _bfd_bool_bfd_bfd_true),
(_bfd_bool_bfd_uint_true, _bfd_bool_bfd_ptr_true),
(_bfd_bool_bfd_asection_bfd_asection_true),
(_bfd_bool_bfd_asymbol_bfd_asymbol_true),
(_bfd_void_bfd_link, _bfd_void_bfd_asection): New functions.
* archive.c (_bfd_noarchive_get_elt_at_index),
(_bfd_noarchive_openr_next_archived_file),
(_bfd_noarchive_construct_extended_name_table),
(_bfd_noarchive_write_ar_hdr, _bfd_noarchive_truncate_arname),
(_bfd_noarchive_write_armap): New functions.
* archures.c (_bfd_nowrite_set_arch_mach): New function.
* coff-alpha.c (alpha_ecoff_swap_coff_aux_in),
(alpha_ecoff_swap_coff_sym_in, alpha_ecoff_swap_coff_lineno_in),
(alpha_ecoff_swap_coff_aux_out, alpha_ecoff_swap_coff_sym_out),
(alpha_ecoff_swap_coff_lineno_out),
(alpha_ecoff_swap_coff_reloc_out): New functions.
* coff-mips.c (mips_ecoff_swap_coff_aux_in),
(mips_ecoff_swap_coff_sym_in, mips_ecoff_swap_coff_lineno_in),
(mips_ecoff_swap_coff_aux_out, mips_ecoff_swap_coff_sym_out),
(mips_ecoff_swap_coff_lineno_out),
(mips_ecoff_swap_coff_reloc_out): New functions.
* coffcode.h (coff_set_alignment_hook): Replace define with
new function.
(symname_in_debug_hook): Likewise.
* ecoff.c (_bfd_ecoff_set_alignment_hook): New function.
* elfxx-target.h (elf_backend_allow_non_load_phdr): Default to 0.
* elf.c (assign_file_positions_except_relocs): Test
elf_backend_allow_non_load_phdr for NULL.
* elflink.c (_bfd_elf_omit_section_dynsym_default): Rename from
_bfd_elf_link_omit_section_dynsym. Update uses.
(_bfd_elf_omit_section_dynsym_all): New function.
* elf-bfd.h (_bfd_elf_link_omit_section_dynsym): Delete.
(_bfd_elf_omit_section_dynsym_default): Declare.
(_bfd_elf_omit_section_dynsym_all): Declare.
* linker.c (_bfd_nolink_sizeof_headers, _bfd_nolink_bfd_relax_section),
(_bfd_nolink_bfd_get_relocated_section_contents),
(_bfd_nolink_bfd_lookup_section_flags),
(_bfd_nolink_bfd_is_group_section, _bfd_nolink_bfd_discard_group),
(_bfd_nolink_bfd_link_hash_table_create),
(_bfd_nolink_bfd_link_just_syms),
(_bfd_nolink_bfd_copy_link_hash_symbol_type),
(_bfd_nolink_bfd_link_split_section),
(_bfd_nolink_section_already_linked),
(_bfd_nolink_bfd_define_common_symbol),
(_bfd_nolink_bfd_define_start_stop): New functions.
* reloc.c (_bfd_norelocs_bfd_reloc_type_lookup),
(_bfd_norelocs_bfd_reloc_name_lookup),
(_bfd_nodynamic_canonicalize_dynamic_reloc): New functions.
* section.c (_bfd_nowrite_set_section_contents): New function.
* syms.c (_bfd_nosymbols_canonicalize_symtab),
(_bfd_nosymbols_print_symbol, _bfd_nosymbols_get_symbol_info),
(_bfd_nosymbols_get_symbol_version_string),
(_bfd_nosymbols_bfd_is_local_label_name),
(_bfd_nosymbols_get_lineno, _bfd_nosymbols_find_nearest_line),
(_bfd_nosymbols_find_line, _bfd_nosymbols_find_inliner_info),
(_bfd_nosymbols_bfd_make_debug_symbol),
( _bfd_nosymbols_read_minisymbols),
( _bfd_nosymbols_minisymbol_to_symbol),
(_bfd_nodynamic_get_synthetic_symtab): New functions.
* libbfd-in.h: Declare new functions. Update existing defines,
removing casts.
* aix386-core.c: Update to use new hooks. Formatting.
* aout-adobe.c: Likewise.
* aout-arm.c: Likewise.
* aout-target.h: Likewise.
* aout-tic30.c: Likewise.
* aoutf1.h: Likewise.
* binary.c: Likewise.
* bout.c: Likewise.
* cisco-core.c: Likewise.
* coff-alpha.c: Likewise.
* coff-i386.c: Likewise.
* coff-i860.c: Likewise.
* coff-i960.c: Likewise.
* coff-ia64.c: Likewise.
* coff-mips.c: Likewise.
* coff-ppc.c: Likewise.
* coff-rs6000.c: Likewise.
* coff-sh.c: Likewise.
* coff-tic30.c: Likewise.
* coff-tic54x.c: Likewise.
* coff-x86_64.c: Likewise.
* coff64-rs6000.c: Likewise.
* coffcode.h: Likewise.
* elf-m10300.c: Likewise.
* elf32-cr16.c: Likewise.
* elf32-lm32.c: Likewise.
* elf32-m32r.c: Likewise.
* elf32-metag.c: Likewise.
* elf32-score.c: Likewise.
* elf32-score7.c: Likewise.
* elf32-tilepro.c: Likewise.
* elf32-xstormy16.c: Likewise.
* elf32-xtensa.c: Likewise.
* elf64-alpha.c: Likewise.
* elf64-hppa.c: Likewise.
* elf64-ia64-vms.c: Likewise.
* elf64-mmix.c: Likewise.
* elf64-sh64.c: Likewise.
* elfnn-ia64.c: Likewise.
* elfxx-sparc.c: Likewise.
* elfxx-target.h: Likewise.
* elfxx-tilegx.c: Likewise.
* elfxx-x86.h: Likewise.
* hp300hpux.c: Likewise.
* hppabsd-core.c: Likewise.
* hpux-core.c: Likewise.
* i386msdos.c: Likewise.
* i386os9k.c: Likewise.
* ieee.c: Likewise.
* ihex.c: Likewise.
* irix-core.c: Likewise.
* libaout.h: Likewise.
* libecoff.h: Likewise.
* mach-o-target.c: Likewise.
* mach-o.c: Likewise.
* mipsbsd.c: Likewise.
* mmo.c: Likewise.
* netbsd-core.c: Likewise.
* nlm-target.h: Likewise.
* oasys.c: Likewise.
* osf-core.c: Likewise.
* pdp11.c: Likewise.
* pe-mips.c: Likewise.
* pe-x86_64.c: Likewise.
* pef.c: Likewise.
* plugin.c: Likewise.
* ppcboot.c: Likewise.
* ptrace-core.c: Likewise.
* sco5-core.c: Likewise.
* som.c: Likewise.
* sparclynx.c: Likewise.
* srec.c: Likewise.
* tekhex.c: Likewise.
* trad-core.c: Likewise.
* verilog.c: Likewise.
* versados.c: Likewise.
* vms-alpha.c: Likewise.
* vms-lib.c: Likewise.
* wasm-module.c: Likewise.
* xsym.c: Likewise.
* libbfd.h: Regenerate.
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extra casts.
GCC v8 issues warnings about mis-matching casts of function pointers.
A previous patch tried to fix this problem by adding new dummy functions
which accepted a variable number of arguments. But this introduces serious
problems when compiled with other versions of gcc, (notably gcc 4.4). This
patch reverts that previous solution and instead adds extra casts (to
function types without a parameter list).
For more details see: https://sourceware.org/ml/binutils/2018-02/msg00198.html
PR 22823
Revert previous delta. Add extra casts to avoid compile time
warnings instead.
* libbfd-in.h (_bfd_generic_bfd_copy_private_bfd_data): Add extra
cast to avoid warning from gcc v8 compiler.
(_bfd_generic_bfd_merge_private_bfd_data): Likewise.
(_bfd_generic_bfd_set_private_flags): Likewise.
(_bfd_generic_bfd_copy_private_section_data): Likewise.
(_bfd_generic_bfd_copy_private_symbol_data): Likewise.
(_bfd_generic_bfd_copy_private_header_data): Likewise.
(_bfd_generic_bfd_print_private_bfd_data): Likewise.
(_bfd_noarchive_construct_extended_name_table): Likewise.
(_bfd_noarchive_truncate_arname): Likewise.
(_bfd_noarchive_write_ar_hdr): Likewise.
(_bfd_noarchive_get_elt_at_index): Likewise.
(_bfd_nosymbols_canonicalize_symtab): Likewise.
(_bfd_nosymbols_print_symbol): Likewise.
(_bfd_nosymbols_get_symbol_info): Likewise.
(_bfd_nosymbols_get_symbol_version_string): Likewise.
(_bfd_nosymbols_bfd_is_local_label_name): Likewise.
(_bfd_nosymbols_bfd_is_target_special_symbol): Likewise.
(_bfd_nosymbols_get_lineno): Likewise.
(_bfd_nosymbols_find_nearest_line): Likewise.
(_bfd_nosymbols_find_line): Likewise.
(_bfd_nosymbols_find_inliner_info): Likewise.
(_bfd_nosymbols_bfd_make_debug_symbol): Likewise.
(_bfd_nosymbols_read_minisymbols): Likewise.
(_bfd_nosymbols_minisymbol_to_symbol): Likewise.
(_bfd_norelocs_bfd_reloc_type_lookup): Likewise.
(_bfd_norelocs_bfd_reloc_name_lookup): Likewise.
(_bfd_nowrite_set_arch_mach): Likewise.
(_bfd_nowrite_set_section_contents): Likewise.
(_bfd_nolink_sizeof_headers): Likewise.
(_bfd_nolink_bfd_get_relocated_section_contents): Likewise.
(_bfd_nolink_bfd_relax_section): Likewise.
(_bfd_nolink_bfd_gc_sections): Likewise.
(_bfd_nolink_bfd_lookup_section_flags): Likewise.
(_bfd_nolink_bfd_merge_sections): Likewise.
(_bfd_nolink_bfd_is_group_section): Likewise.
(_bfd_nolink_bfd_discard_group): Likewise.
(_bfd_nolink_bfd_link_hash_table_create): Likewise.
(_bfd_nolink_bfd_link_add_symbols): Likewise.
(_bfd_nolink_bfd_link_just_syms): Likewise.
(_bfd_nolink_bfd_copy_link_hash_symbol_type): Likewise.
(_bfd_nolink_bfd_final_link): Likewise.
(_bfd_nolink_bfd_link_split_section): Likewise.
(_bfd_nolink_section_already_linked): Likewise.
(_bfd_nolink_bfd_define_common_symbol): Likewise.
(_bfd_nolink_bfd_define_start_stop): Likewise.
(_bfd_nodynamic_canonicalize_dynamic_symtab): Likewise.
(_bfd_nodynamic_get_synthetic_symtab): Likewise.
(_bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_): Likewise.
(_bfd_nodynamic_canonicalize_dynamic_reloc): Likewise.
* libbfd.c (bfd_false_any): Delete.
(bfd_true_any, bfd_nullvoidptr_any, bfd_0_any): Delete.
(bfd_0u_any, bfd_0l_any, _bfd_n1_any, bfd_void_any): Delete.
* libbfd.h (extern): Regenerate
* aout-target.h (MY_bfd_is_target_special_symbol): Add extra
cast to avoid warning from gcc v8 compiler.
* aout-tic30.c (tic30_aout_set_arch_mach): Likewise.
* binary.c (binary_get_symbol_info): Likewise.
* coff-alpha.c (alpha_ecoff_backend_data): Likewise.
* coff-mips.c (mips_ecoff_backend_data): Likewise.
* coffcode.h (coff_set_alignment_hook): Likewise.
(symname_in_debug_hook): Likewise.
(bfd_coff_backend_data bigobj_swap_table): Likewise.
* elf-m10300.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-cr16.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-lm32.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-m32r.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-metag.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-score.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-score7.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-xstormy16.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-xtensa.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-alpha.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-hppa.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-ia64-vms.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-mmix.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-sh64.c (elf_backend_omit_section_dynsym): Likewise.
* elfnn-ia64.c (elf_backend_omit_section_dynsym): Likewise.
* elfxx-target.h (bfd_elfNN_bfd_debug_info_accumulate): Likewise.
(bfd_elfNN_bfd_make_debug_symbol): Likewise.
(bfd_elfNN_bfd_merge_private_bfd_data): Likewise.
(bfd_elfNN_bfd_set_private_flags): Likewise.
(bfd_elfNN_bfd_is_target_special_symbol): Likewise.
(elf_backend_init_index_section): Likewise.
(elf_backend_allow_non_load_phdr): Likewise.
* elfxx-x86.h (elf_backend_omit_section_dynsym): Likewise.
* i386msdos.c (msdos_bfd_is_target_special_symbol): Likewise.
* ieee.c (ieee_construct_extended_name_table): Likewise.
(ieee_write_armap): Likewise.
(ieee_write_ar_hdr): Likewise.
(ieee_bfd_is_target_special_symbol): Likewise.
* ihex.c (ihex_canonicalize_symtab): Likewise.
(ihex_bfd_is_target_special_symbol): Likewise.
* libaout.h (aout_32_bfd_is_target_special_symbol): Likewise.
* libecoff.h (_bfd_ecoff_bfd_is_target_special_symbol): Likewise.
(_bfd_ecoff_set_alignment_hook): Likewise.
* mach-o-target.c (bfd_mach_o_bfd_is_target_special_symbol): Likewise.
* mmo.c (mmo_bfd_is_target_special_symbol): Likewise.
* nlm-target.h (nlm_bfd_is_target_special_symbol): Likewise.
* oasys.c (oasys_construct_extended_name_table): Likewise.
(oasys_write_armap): Likewise.
(oasys_write_ar_hdr): Likewise.
(oasys_bfd_is_target_special_symbol): Likewise.
* pef.c (bfd_pef_bfd_is_target_special_symbol): Likewise.
* plugin.c (bfd_plugin_bfd_is_target_special_symbol): Likewise.
* ppcboot.c (ppcboot_bfd_is_target_special_symbol): Likewise.
* som.c (som_bfd_is_target_special_symbol): Likewise.
* srec.c (srec_bfd_is_target_special_symbol): Likewise.
* tekhex.c (tekhex_bfd_is_target_special_symbol): Likewise.
* verilog.c (verilog_bfd_is_target_special_symbol): Likewise.
* versados.c (versados_bfd_is_target_special_symbol): Likewise.
(versados_bfd_reloc_name_lookup): Likewise.
* vms-alpha.c (vms_bfd_is_target_special_symbol): Likewise.
(vms_bfd_define_start_stop): Likewise.
(alpha_vms_bfd_is_target_special_symbol): Likewise.
* wasm-module.c (wasm_bfd_is_target_special_symbol): Likewise.
* xsym.c (bfd_sym_bfd_is_target_special_symbol): Likewise.
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Since PLT in PDE and PC-relative PLT in PIE can be used as function
address, there is no need for dynamic PC-relative relocation against
a dynamic function definition in PIE. Linker should resolve PC-relative
reference to its PLT address.
NB: i386 has non-PIC PLT and PIC PLT. Only non-PIC PLT in PDE can
be used as function address. PIC PLT in PIE can't be used as
function address.
bfd/
PR ld/22842
* elf32-i386.c (elf_i386_check_relocs): Pass FALSE for non
PC-relative PLT to NEED_DYNAMIC_RELOCATION_P.
* elf64-x86-64.c (elf_x86_64_check_relocs): Create PLT for
R_X86_64_PC32 reloc against dynamic function in data section.
Pass TRUE for PC-relative PLT to NEED_DYNAMIC_RELOCATION_P.
(elf_x86_64_relocate_section): Use PLT for R_X86_64_PC32 reloc
against dynamic function in data section.
* elfxx-x86.c (elf_x86_allocate_dynrelocs): Use PLT in PIE as
function address only if pcrel_plt is true.
(_bfd_x86_elf_link_hash_table_create): Set pcrel_plt.
* elfxx-x86.h (NEED_DYNAMIC_RELOCATION_P): Add PCREL_PLT for
PC-relative PLT. If PLT is PC-relative, don't generate dynamic
PC-relative relocation against a function definition in data
secton in PIE. Remove the obsolete comments.
(elf_x86_link_hash_table): Add pcrel_plt.
ld/
PR ld/22842
* testsuite/ld-i386/i386.exp: Run PR ld/22842 tests.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-i386/pr22842a.c: New file.
* testsuite/ld-i386/pr22842b.S: Likewise.
* testsuite/ld-x86-64/pr22842a.c: Likewise.
* testsuite/ld-x86-64/pr22842a.rd: Likewise.
* testsuite/ld-x86-64/pr22842b.S: Likewise.
* testsuite/ld-x86-64/pr22842b.rd: Likewise.
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incompatible function types.
PR 22823
bfd Fix compile time warnings generated by gcc version 8.
* libbfd-in.h: Remove extraneous text from prototypes.
Add prototypes for bfd_false_any, bfd_true_any,
bfd_nullvoidptr_any, bfd_0_any, bfd_0u_any, bfd_0l_any,
bfd_n1_any, bfd_void_any.
(_bfd_generic_bfd_copy_private_bfd_data): Use vararg based dummy
function.
(_bfd_generic_bfd_merge_private_bfd_data): Likewise.
(_bfd_generic_bfd_set_private_flags): Likewise.
(_bfd_generic_bfd_copy_private_section_data): Likewise.
(_bfd_generic_bfd_copy_private_symbol_data): Likewise.
(_bfd_generic_bfd_copy_private_header_data): Likewise.
(_bfd_generic_bfd_print_private_bfd_data): Likewise.
(_bfd_noarchive_construct_extended_name_table): Likewise.
(_bfd_noarchive_truncate_arname): Likewise.
(_bfd_noarchive_write_ar_hdr): Likewise.
(_bfd_noarchive_get_elt_at_index): Likewise.
(_bfd_nosymbols_canonicalize_symtab): Likewise.
(_bfd_nosymbols_print_symbol): Likewise.
(_bfd_nosymbols_get_symbol_info): Likewise.
(_bfd_nosymbols_get_symbol_version_string): Likewise.
(_bfd_nosymbols_bfd_is_local_label_name): Likewise.
(_bfd_nosymbols_bfd_is_target_special_symbol): Likewise.
(_bfd_nosymbols_get_lineno): Likewise.
(_bfd_nosymbols_find_nearest_line): Likewise.
(_bfd_nosymbols_find_line): Likewise.
(_bfd_nosymbols_find_inliner_info): Likewise.
(_bfd_nosymbols_bfd_make_debug_symbol): Likewise.
(_bfd_nosymbols_read_minisymbols): Likewise.
(_bfd_nosymbols_minisymbol_to_symbol): Likewise.
(_bfd_norelocs_bfd_reloc_type_lookup): Likewise.
(_bfd_norelocs_bfd_reloc_name_lookup): Likewise.
(_bfd_nowrite_set_arch_mach): Likewise.
(_bfd_nowrite_set_section_contents): Likewise.
(_bfd_nolink_sizeof_headers): Likewise.
(_bfd_nolink_bfd_get_relocated_section_contents): Likewise.
(_bfd_nolink_bfd_relax_section): Likewise.
(_bfd_nolink_bfd_gc_sections): Likewise.
(_bfd_nolink_bfd_lookup_section_flags): Likewise.
(_bfd_nolink_bfd_merge_sections): Likewise.
(_bfd_nolink_bfd_is_group_section): Likewise.
(_bfd_nolink_bfd_discard_group): Likewise.
(_bfd_nolink_bfd_link_hash_table_create): Likewise.
(_bfd_nolink_bfd_link_add_symbols): Likewise.
(_bfd_nolink_bfd_link_just_syms): Likewise.
(_bfd_nolink_bfd_copy_link_hash_symbol_type): Likewise.
(_bfd_nolink_bfd_final_link): Likewise.
(_bfd_nolink_bfd_link_split_section): Likewise.
(_bfd_nolink_section_already_linked): Likewise.
(_bfd_nolink_bfd_define_common_symbol): Likewise.
(_bfd_nolink_bfd_define_start_stop): Likewise.
(_bfd_nodynamic_canonicalize_dynamic_symtab): Likewise.
(_bfd_nodynamic_get_synthetic_symtab): Likewise.
(_bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_): Likewise.
(_bfd_nodynamic_canonicalize_dynamic_reloc): Likewise.
* libbfd.c (bfd_false_any): New function. Like bfd_false but
accepts one or more arguments.
(bfd_true_any): Likewise.
(bfd_nullvoidptr_any): Likewise.
(bfd_0_any): Likewise.
(bfd_0u_any): Likewise.
(bfd_0l_any): Likewise.
(_bfd_n1_any): Likewise.
(bfd_void_any): Likewise.
* libbfd.h (extern): Regenerate
* aout-target.h (MY_bfd_is_target_special_symbol): Use vararg
based dummy function.
* aout-tic30.c (tic30_aout_set_arch_mach): Likewise.
* binary.c (binary_get_symbol_info): Likewise.
* coff-alpha.c (alpha_ecoff_backend_data): Likewise.
* coff-mips.c (mips_ecoff_backend_data): Likewise.
* coffcode.h (coff_set_alignment_hook): Likewise.
(symname_in_debug_hook): Likewise.
(bfd_coff_backend_data bigobj_swap_table): Likewise.
* elf-m10300.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-cr16.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-lm32.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-m32r.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-metag.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-score.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-score7.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-xstormy16.c (elf_backend_omit_section_dynsym): Likewise.
* elf32-xtensa.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-alpha.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-hppa.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-ia64-vms.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-mmix.c (elf_backend_omit_section_dynsym): Likewise.
* elf64-sh64.c (elf_backend_omit_section_dynsym): Likewise.
* elfnn-ia64.c (elf_backend_omit_section_dynsym): Likewise.
* elfxx-target.h (bfd_elfNN_bfd_debug_info_accumulate): Likewise.
(bfd_elfNN_bfd_make_debug_symbol): Likewise.
(bfd_elfNN_bfd_merge_private_bfd_data): Likewise.
(bfd_elfNN_bfd_set_private_flags): Likewise.
(bfd_elfNN_bfd_is_target_special_symbol): Likewise.
(elf_backend_init_index_section): Likewise.
(elf_backend_allow_non_load_phdr): Likewise.
* elfxx-x86.h (elf_backend_omit_section_dynsym): Likewise.
* i386msdos.c (msdos_bfd_is_target_special_symbol): Likewise.
* ieee.c (ieee_construct_extended_name_table): Likewise.
(ieee_write_armap): Likewise.
(ieee_write_ar_hdr): Likewise.
(ieee_bfd_is_target_special_symbol): Likewise.
* ihex.c (ihex_canonicalize_symtab): Likewise.
(ihex_bfd_is_target_special_symbol): Likewise.
* libaout.h (aout_32_bfd_is_target_special_symbol): Likewise.
* libecoff.h (_bfd_ecoff_bfd_is_target_special_symbol): Likewise.
(_bfd_ecoff_set_alignment_hook): Likewise.
* mach-o-target.c (bfd_mach_o_bfd_is_target_special_symbol): Likewise.
* mmo.c (mmo_bfd_is_target_special_symbol): Likewise.
* nlm-target.h (nlm_bfd_is_target_special_symbol): Likewise.
* oasys.c (oasys_construct_extended_name_table): Likewise.
(oasys_write_armap): Likewise.
(oasys_write_ar_hdr): Likewise.
(oasys_bfd_is_target_special_symbol): Likewise.
* pef.c (bfd_pef_bfd_is_target_special_symbol): Likewise.
* plugin.c (bfd_plugin_bfd_is_target_special_symbol): Likewise.
* ppcboot.c (ppcboot_bfd_is_target_special_symbol): Likewise.
* som.c (som_bfd_is_target_special_symbol): Likewise.
* srec.c (srec_bfd_is_target_special_symbol): Likewise.
* tekhex.c (tekhex_bfd_is_target_special_symbol): Likewise.
* verilog.c (verilog_bfd_is_target_special_symbol): Likewise.
* versados.c (versados_bfd_is_target_special_symbol): Likewise.
(versados_bfd_reloc_name_lookup): Likewise.
* vms-alpha.c (vms_bfd_is_target_special_symbol): Likewise.
(vms_bfd_define_start_stop): Likewise.
(alpha_vms_bfd_is_target_special_symbol): Likewise.
* wasm-module.c (wasm_bfd_is_target_special_symbol): Likewise.
* xsym.c (bfd_sym_bfd_is_target_special_symbol): Likewise.
* elf32-arc.c (get_replace_function): Assign replacement function
to func pointer.
* elf32-i370.c (i370_noop): Update prototype.
gas * config/obj-elf.c (elf_pseudo_table): Remove now redundant
casts.
(obj_elf_vtable_inherit): Rename to obj_elf_get_vtable_inherit.
(obj_elf_vtable_inherit): New stub function that calls
obj_elf_get_vtable_inherit.
(obj_elf_vtable_entry): Rename to obj_elf_get_vtable_entry.
(obj_elf_vtable_entry): New stub function that calls
obj_elf_get_vtable_entry.
* config/obj-elf.h (obj_elf_vtable_inherit): Update prototype.
(obj_elf_vtable_entry) Likewise.
(obj_elf_get_vtable_inherit) Likewise.
(obj_elf_get_vtable_entry) Likewise.
* config/tc-arm.c (md_pseudo_table): Remove now redundant cast.
* config/tc-i386c (md_pseudo_table): Likewise.
* config/tc-hppa.c (pa_vtable_entry): Call
obj_elf_get_vtable_entry.
(pa_vtable_inherit): Call obj_elf_get_vtable_inherit.
* config/tc-mips.c (s_mips_file): Replace call to dwarf2_get_file
with call to dwarf2_get_filename.
* dwarf2dbg.c (dwarf2_directive_file): Rename to
dwarf2_directive_filename.
(dwarf2_directive_file): New stub function that calls
dwarf2_directive_filename.
* dwarf2dbg.h: Prototype dwarf2_directive_filename.
opcodes * metag-dis.c (print_fmmov): Double buffer size to avoid warning
about truncation of printing.
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Add is_solaris to elf_x86_target_os since Solaris is quite different.
* elf32-i386.c (elf_i386_get_synthetic_symtab): Also handle
is_solaris.
(i386_elf32_sol2_vec): Don't declare.
(elf_i386_link_setup_gnu_properties): Also handle is_solaris.
Don't set need_global_offset_table.
(elf_i386_solaris_arch_bed): New.
(elf_backend_arch_data): Set to elf_i386_solaris_arch_bed for
Solaris.
* elf64-x86-64.c (elf_x86_64_get_synthetic_symtab): Check
target_os != is_nacl instead of target_os == is_normal.
(x86_64_elf64_sol2_vec): Don't declare.
(elf_x86_64_link_setup_gnu_properties): Check target_os !=
is_nacl instead of target_os == is_normal. Don't set
need_global_offset_table.
(elf_x86_64_solaris_arch_bed): New.
(elf_backend_arch_data): Set to elf_x86_64_solaris_arch_bed for
Solaris.
* elfxx-x86.c (_bfd_x86_elf_size_dynamic_sections): Keep
_GLOBAL_OFFSET_TABLE_ for Solaris.
(_bfd_x86_elf_link_setup_gnu_properties): Don't copy
need_global_offset_table.
* elfxx-x86.h (elf_x86_target_os): Add is_solaris.
(elf_x86_link_hash_table): Remove need_global_offset_table.
(elf_x86_init_table): Likewise.
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Solaris requires to keep _GLOBAL_OFFSET_TABLE_ even if it isn't used.
This patch detects Solaris target and keeps _GLOBAL_OFFSET_TABLE_ for
Solaris.
* elf32-i386.c (elf32_i386_copy_solaris_special_section_fields):
New prototype.
(elf_i386_link_setup_gnu_properties): Set need_global_offset_table
for Solaris.
* elf64-x86-64.c (elf64_x86_64_copy_solaris_special_section_fields):
New prototype.
(elf_x86_64_link_setup_gnu_properties): Set
need_global_offset_table for Solaris.
* elfxx-x86.c (_bfd_x86_elf_size_dynamic_sections): Keep the
unused _GLOBAL_OFFSET_TABLE_ for Solaris.
(_bfd_x86_elf_link_setup_gnu_properties): Copy
need_global_offset_table.
* elfxx-x86.h (elf_x86_link_hash_table): Add
need_global_offset_table.
(elf_x86_init_table): Likewise.
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Since _GLOBAL_OFFSET_TABLE_ may be referenced implicitly on x86,
checking ref_regular_nonweak leaves the unused _GLOBAL_OFFSET_TABLE_
in output. This patch checks explicit GOT references instead.
ld-i386/discarded1.s and ld-x86-64/discarded1.s are updated to avoid
linker optimization which removes GOT references.
bfd/
PR ld/22782
* elf32-i386.c (elf_i386_check_relocs): Set got_referenced if
_GLOBAL_OFFSET_TABLE_ is referenced or GOT is needed to resolve
undefined weak symbol to 0.
* elf64-x86-64.c (elf_x86_64_check_relocs): Set got_referenced
if _GLOBAL_OFFSET_TABLE_ is referenced.
* elfxx-x86.c (_bfd_x86_elf_size_dynamic_sections): Check
got_referenced instead of ref_regular_nonweak. Remove the
unused _GLOBAL_OFFSET_TABLE_ from symbol table.
* elfxx-x86.h (elf_x86_link_hash_table): Add got_referenced.
ld/
PR ld/22782
* testsuite/ld-i386/discarded1.s: Replace mov with div.
* testsuite/ld-x86-64/discarded1.s: Likewise.
* testsuite/ld-i386/i386.exp: Run pr22782.
* testsuite/ld-i386/load1-nacl.d: Updated for removing
_GLOBAL_OFFSET_TABLE_ from output.
* testsuite/ld-i386/load1.d: Likewise.
* testsuite/ld-x86-64/load1a-nacl.d: Likewise.
* testsuite/ld-x86-64/load1a.d: Likewise.
* testsuite/ld-x86-64/load1b-nacl.d: Likewise.
* testsuite/ld-x86-64/load1b.d: Likewise.
* testsuite/ld-i386/pr22782.d: New file.
* testsuite/ld-i386/pr22782.s: Likewise.
* testsuite/ld-x86-64/pr22782.s: Likewise.
* testsuite/ld-x86-64/pr22782a.d: Likewise.
* testsuite/ld-x86-64/pr22782b.d: Likewise.
* testsuite/ld-x86-64/x86-64.exp: Run pr22782a and pr22782b.
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Binutils is supposed to use tabs. In my git config I have
whitespace = indent-with-non-tab,space-before-tab,trailing-space
and I got annoyed enough seeing red in "git diff" output to fix
the problems.
* doc/header.sed: Trim trailing space when splitting lines.
* aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-cris.c,
* aout-ns32k.c, * aout-target.h, * aout-tic30.c, * aoutf1.h, * aoutx.h,
* arc-got.h, * arc-plt.def, * arc-plt.h, * archive.c, * archive64.c,
* archures.c, * armnetbsd.c, * bfd-in.h, * bfd.c, * bfdio.c, * binary.c,
* bout.c, * cache.c, * cisco-core.c, * coff-alpha.c, * coff-apollo.c,
* coff-arm.c, * coff-h8300.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mcore.c,
* coff-mips.c, * coff-ppc.c, * coff-rs6000.c, * coff-sh.c,
* coff-stgo32.c, * coff-tic4x.c, * coff-tic54x.c, * coff-tic80.c,
* coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c,
* coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c,
* coffswap.h, * compress.c, * corefile.c, * cpu-alpha.c, * cpu-arm.c,
* cpu-avr.c, * cpu-bfin.c, * cpu-cr16.c, * cpu-cr16c.c, * cpu-crx.c,
* cpu-d10v.c, * cpu-frv.c, * cpu-ft32.c, * cpu-i370.c, * cpu-i960.c,
* cpu-ia64-opc.c, * cpu-ip2k.c, * cpu-lm32.c, * cpu-m32r.c,
* cpu-mcore.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-moxie.c,
* cpu-mt.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-powerpc.c,
* cpu-pru.c, * cpu-sh.c, * cpu-spu.c, * cpu-v850.c, * cpu-v850_rh850.c,
* cpu-xgate.c, * cpu-z80.c, * dwarf1.c, * dwarf2.c, * ecoff.c,
* ecofflink.c, * ecoffswap.h, * elf-bfd.h, * elf-eh-frame.c,
* elf-hppa.h, * elf-m10200.c, * elf-m10300.c, * elf-s390-common.c,
* elf-strtab.c, * elf-vxworks.c, * elf.c, * elf32-am33lin.c,
* elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-avr.h,
* elf32-bfin.c, * elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c,
* elf32-crx.c, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c,
* elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c,
* elf32-h8300.c, * elf32-hppa.c, * elf32-i386.c, * elf32-i860.c,
* elf32-i960.c, * elf32-ip2k.c, * elf32-lm32.c, * elf32-m32c.c,
* elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68hc1x.c,
* elf32-m68hc1x.h, * elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c,
* elf32-mep.c, * elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c,
* elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c,
* elf32-nds32.h, * elf32-nios2.c, * elf32-or1k.c, * elf32-pj.c,
* elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c,
* elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h,
* elf32-score7.c, * elf32-sh-symbian.c, * elf32-sh.c, * elf32-sh64.c,
* elf32-sparc.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilegx.c,
* elf32-tilegx.h, * elf32-tilepro.c, * elf32-tilepro.h, * elf32-v850.c,
* elf32-vax.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c,
* elf32-xgate.h, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.c,
* elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c,
* elf64-ppc.c, * elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c,
* elf64-tilegx.c, * elf64-tilegx.h, * elf64-x86-64.c, * elfcore.h,
* elflink.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
* elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-aarch64.h, * elfxx-ia64.c,
* elfxx-ia64.h, * elfxx-mips.c, * elfxx-riscv.c, * elfxx-sparc.c,
* elfxx-tilegx.c, * elfxx-x86.c, * elfxx-x86.h, * freebsd.h, * hash.c,
* host-aout.c, * hp300hpux.c, * hppabsd-core.c, * hpux-core.c,
* i386aout.c, * i386linux.c, * i386lynx.c, * i386mach3.c, * i386msdos.c,
* i386netbsd.c, * ieee.c, * ihex.c, * irix-core.c, * libaout.h,
* libbfd-in.h, * libbfd.c, * libcoff-in.h, * libnlm.h, * libpei.h,
* libxcoff.h, * linker.c, * lynx-core.c, * m68k4knetbsd.c,
* m68klinux.c, * m68knetbsd.c, * m88kmach3.c, * mach-o-aarch64.c,
* mach-o-arm.c, * mach-o-i386.c, * mach-o-target.c, * mach-o-x86-64.c,
* mach-o.c, * mach-o.h, * merge.c, * mipsbsd.c, * mmo.c, * netbsd.h,
* netbsd-core.c, * newsos3.c, * nlm-target.h, * nlm32-ppc.c,
* nlm32-sparc.c, * nlmcode.h, * ns32k.h, * ns32knetbsd.c, * oasys.c,
* opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c,
* pe-mcore.c, * pe-mips.c, * pe-x86_64.c, * peXXigen.c, * pef.c,
* pef.h, * pei-arm.c, * pei-i386.c, * pei-mcore.c, * pei-x86_64.c,
* peicode.h, * plugin.c, * ppcboot.c, * ptrace-core.c, * reloc.c,
* riscix.c, * rs6000-core.c, * section.c, * som.c, * som.h,
* sparclinux.c, * sparcnetbsd.c, * srec.c, * stabs.c, * sunos.c,
* syms.c, * targets.c, * tekhex.c, * trad-core.c, * vax1knetbsd.c,
* vaxnetbsd.c, * verilog.c, * versados.c, * vms-alpha.c, * vms-lib.c,
* vms-misc.c, * wasm-module.c, * wasm-module.h, * xcofflink.c,
* xsym.c, * xsym.h: Whitespace fixes.
* bfd-in2.h, * libbfd.h, * libcoff.h: Regenerate.
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Since check_reloc is running after gc_sections, there is no need for
reference count. If a function pointer relocation can be resolved at
run-time, there is no need for PLT and it doesn't count as non-GOT/PLT
relocation. func_pointer_refcount can be removed.
* elf32-i386.c (elf_i386_check_relocs): Set plt.refcount to 1.
Don't use func_pointer_refcount. Don't set plt.refcount nor
non_got_ref for function pointer reference.
* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
* elfxx-x86.c (elf_x86_allocate_dynrelocs): Don't use
func_pointer_refcount.
(_bfd_x86_elf_copy_indirect_symbol): Don't copy
func_pointer_refcount.
(_bfd_x86_elf_hide_symbol): Don't use func_pointer_refcount.
* elfxx-x86.h (GENERATE_DYNAMIC_RELOCATION_P): Likewise.
(elf_x86_link_hash_entry): Remove func_pointer_refcount.
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Add plt0_pad_byte and target_os fields to elf_x86_link_hash_table.
Replace elf_i386_backend_data and elf_x86_64_backend_data with
elf_x86_backend_data.
* elf32-i386.c (elf_i386_backend_data): Removed.
(get_elf_i386_backend_data): Likewise.
(elf_i386_arch_bed): Replace elf_i386_backend_data with
elf_x86_backend_data.
(elf_i386_get_synthetic_symtab): Likewise.
(elf_i386_nacl_arch_bed): Likewise.
(elf_i386_vxworks_arch_bed): Likewise.
(elf_i386_relocate_section): Check target_os instead of
is_vxworks.
(elf_i386_finish_dynamic_symbol): Likewise.
(elf_i386_finish_dynamic_sections): Use htab->plt0_pad_byte.
Check target_os instead of is_vxworks.
(elf_i386_link_setup_gnu_properties): Remove normal_target and
is_vxworks. Initialize plt0_pad_byte.
* elf64-x86-64.c (elf_x86_64_backend_data); Removed.
(get_elf_x86_64_arch_data): Likewise.
(get_elf_x86_64_backend_data): Likewise.
(elf_x86_64_arch_bed): Replace elf_x86_64_backend_data with
elf_x86_backend_data.
(elf_x86_64_get_synthetic_symtab): Likewise.
(elf_x86_64_nacl_arch_bed): Likewise.
(elf_x86_64_link_setup_gnu_properties): Remove is_vxworks and
normal_target. Initialize plt0_pad_byte.
* elfxx-x86.c (elf_x86_allocate_dynrelocs): Check target_os
instead of is_vxworks.
(_bfd_x86_elf_size_dynamic_sections): Likewise.
(_bfd_x86_elf_finish_dynamic_sections): Likewise.
(_bfd_x86_elf_adjust_dynamic_symbol): Likewise.
(_bfd_x86_elf_link_hash_table_create): Initialize target_os.
(_bfd_x86_elf_link_setup_gnu_properties): Remove is_vxworks.
Update normal_target. Set up plt0_pad_byte. Check target_os
instead of is_vxworks.
* elfxx-x86.h (elf_x86_target_os): New.
(elf_x86_backend_data): Likewise.
(get_elf_x86_backend_data): Likewise.
(elf_x86_link_hash_table): Remove is_vxworks. Add plt0_pad_byte
and target_os.
(elf_x86_init_table): Remove normal_target and is_vxworks. Add
plt0_pad_byte.
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Extract the common parts of elf_i386_finish_dynamic_sections and
elf_x86_64_finish_dynamic_sections into a separate function in
elfxx-x86.c.
* elf32-i386.c (elf_i386_finish_dynamic_sections): Call
_bfd_x86_elf_finish_dynamic_sections.
* elf64-x86-64.c (elf_x86_64_finish_dynamic_sections): Likewise.
* elfxx-x86.c (_bfd_x86_elf_finish_dynamic_sections): New
function.
* elfxx-x86.h (_bfd_x86_elf_finish_dynamic_sections): New
prototype.
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When there is no dynamic interpreter in PIE, make the undefined weak
symbol dynamic so that PC relative branch to the undefined weak symbol
will land to address 0.
* elf32-i386.c (elf_backend_hide_symbol): New.
* elf64-x86-64.c (elf_backend_hide_symbol): Likewise.
* elfxx-x86.c (_bfd_x86_elf_hide_symbol): Likewise.
* elfxx-x86.h (_bfd_x86_elf_hide_symbol): Likewise.
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* elfxx-x86.h (UNDEFINED_WEAK_RESOLVED_TO_ZERO): Update
comments.
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Replace has_got_reloc and has_non_got_reloc in elf_x86_link_hash_entry
with zero_undefweak:
Bit 0: Symbol has no GOT nor PLT relocations.
Bit 1: Symbol has non-GOT/non-PLT relocations in text sections.
zero_undefweak is initialized to 1 and undefined weak symbol should be
resolved to 0 if zero_undefweak > 0.
* elf32-i386.c (elf_i386_check_relocs): Replace has_got_reloc
and has_non_got_reloc with zero_undefweak.
* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
* elfxx-x86.c (_bfd_x86_elf_link_hash_newfunc): Initialize
zero_undefweak to 1.
(_bfd_x86_elf_copy_indirect_symbol): Replace has_got_reloc and
has_non_got_reloc with zero_undefweak.
* elfxx-x86.h (UNDEFINED_WEAK_RESOLVED_TO_ZERO): Replace
has_got_reloc and has_non_got_reloc with zero_undefweak.
(elf_x86_link_hash_entry): Likewise.
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Add "do/while(0);" to COPY_INPUT_RELOC_P/VERIFY_COPY_RELOC to avoid
potential dangling else problems.
* elfxx-x86.h (COPY_INPUT_RELOC_P): Add "do/while(0);".
(VERIFY_COPY_RELOC): Likewise.
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Add VERIFY_COPY_RELOC to verify that symbol supports copy relocation.
* elfxx-x86.h (VERIFY_COPY_RELOC): New.
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Use it.
* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Likewise.
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Add VERIFY_PLT_ENTRY to verify that symbol has an entry in the procedure
linkage table.
* elfxx-x86.h (VERIFY_PLT_ENTRY): New.
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Use it.
* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Likewise.
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Add COPY_INPUT_RELOC_P which returns TRUE if input relocation should
be copied to output.
* elfxx-x86.h (COPY_INPUT_RELOC_P): New.
* elf32-i386.c (elf_i386_relocate_section): Use it.
* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
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Add GENERATE_DYNAMIC_RELOCATION_P which returns TRUE if dynamic
relocation should be generated.
* elf32-i386.c (X86_SIZE_TYPE_P): New.
(elf_i386_relocate_section): Use GENERATE_DYNAMIC_RELOCATION_P.
* elf64-x86-64.c (X86_SIZE_TYPE_P): New.
(elf_x86_64_relocate_section): Use GENERATE_DYNAMIC_RELOCATION_P.
* elfxx-x86.h (GENERATE_DYNAMIC_RELOCATION_P): New.
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Add POINTER_LOCAL_IFUNC_P which returns TRUE for pointer reference to
local IFUNC symbol. Add PLT_LOCAL_IFUNC_P which returns TRUE for PLT
reference to local IFUNC symbol.
* elfxx-x86.h (POINTER_LOCAL_IFUNC_P): New.
(PLT_LOCAL_IFUNC_P): Likewise.
* elf32-i386.c (elf_i386_relocate_section): Use them.
* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
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Add GENERATE_RELATIVE_RELOC_P which returns TRUE if dynamic relative
relocation should be generated.
* elfxx-x86.h (GENERATE_RELATIVE_RELOC_P): New.
* elf32-i386.c (elf_i386_relocate_section): Use it.
* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
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Add NEED_DYNAMIC_RELOCATION_P which returns TRUE if dynamic relocation
is needed.
* elf32-i386.c (X86_PCREL_TYPE_P): New.
(elf_i386_check_relocs): Use NEED_DYNAMIC_RELOCATION_P.
* elf64-x86-64.c (IS_X86_64_PCREL_TYPE): Renamed to ...
(X86_PCREL_TYPE_P): This.
(elf_x86_64_check_relocs): Use NEED_DYNAMIC_RELOCATION_P.
Replace IS_X86_64_PCREL_TYPE with X86_PCREL_TYPE_P.
(elf_x86_64_relocate_section): Replace IS_X86_64_PCREL_TYPE with
X86_PCREL_TYPE_P.
* elfxx-x86.h (NEED_DYNAMIC_RELOCATION_P): New.
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Add TLS_TRANSITION_IE_TO_LE_P which returns TRUE if TLS IE->LE transition
is OK.
* elfxx-x86.h (TLS_TRANSITION_IE_TO_LE_P): New.
* elf32-i386.c (elf_i386_tls_transition): Use it.
* elf64-x86-64.c (elf_x86_64_tls_transition): Likewise.
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* elfxx-x86.h: Fix a typo in comments.
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Since the only information which SYMBOL_REFERENCES_LOCAL_P doesn't check
is relocations, UNDEFINED_WEAK_RESOLVED_TO_ZERO only needs to check for
relocations with SYMBOL_REFERENCES_LOCAL_P.
* elf32-i386.c (elf_i386_relocate_section): Update usage of
UNDEFINED_WEAK_RESOLVED_TO_ZERO.
(elf_i386_finish_dynamic_symbol): Likewise.
* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
(elf_x86_64_finish_dynamic_symbol): Likewise.
* elfxx-x86.c (elf_x86_allocate_dynrelocs): Likewise.
(_bfd_x86_elf_fixup_symbol): Likewise.
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After _bfd_i386_elf_convert_load and _bfd_x86_64_elf_convert_load are
removed, elf_i386_convert_load_reloc and elf_x86_64_convert_load_reloc
see __ehdr_start as an undefined symbol when they are called from
check_relocs to convert GOT relocations against local symbols. But
__ehdr_start will be defined as a hidden symbol by linker at the later
stage if it is referenced. This patch marks __ehdr_start as a defined
local symbol at the start of check_relocs if it is referenced and not
defined.
bfd/
PR ld/22115
* elf32-i386.c (elf_i386_convert_load_reloc): Check linker_def.
Don't use UNDEFINED_WEAK_RESOLVED_TO_ZERO.
* elf64-x86-64.c (elf_x86_64_convert_load_reloc): Check
linker_def. Don't use UNDEFINED_WEAK_RESOLVED_TO_ZERO.
* elfxx-x86.c (_bfd_x86_elf_link_check_relocs): Set local_ref
and linker_def on __ehdr_start if it is referenced and not
defined.
(_bfd_x86_elf_link_symbol_references_local): Also set local_ref
and return TRUE when building executable, if a symbol has
non-GOT/non-PLT relocations in text section or there is no
dynamic linker.
* elfxx-x86.h (elf_x86_link_hash_entry): Add linker_def.
ld/
PR ld/22115
* ld-i386/i386.exp: Run PR ld/22115 tests,
* ld/testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-i386/pr22115-1.s: New file.
* testsuite/ld-i386/pr22115-1a.d: Likewise.
* testsuite/ld-i386/pr22115-1b.d: Likewise.
* testsuite/ld-i386/pr22115-1c.d: Likewise.
* testsuite/ld-i386/pr22115-1d.d: Likewise.
* testsuite/ld-x86-64/pr22115-1.s: Likewise.
* testsuite/ld-x86-64/pr22115-1a-x32.d: Likewise.
* testsuite/ld-x86-64/pr22115-1a.d: Likewise.
* testsuite/ld-x86-64/pr22115-1b-x32.d: Likewise.
* testsuite/ld-x86-64/pr22115-1b.d: Likewise.
* testsuite/ld-x86-64/pr22115-1c-x32.d: Likewise.
* testsuite/ld-x86-64/pr22115-1c.d: Likewise.
* testsuite/ld-x86-64/pr22115-1d-x32.d: Likewise.
* testsuite/ld-x86-64/pr22115-1d.d: Likewise.
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|
* elfxx-x86.h: Update comments.
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|
* elf32-i386.c (elf_i386_link_setup_gnu_properties): Replace
elf_x86_plt_layout_table with elf_x86_init_table.
* elf64-x86-64.c (elf_x86_64_link_setup_gnu_properties):
Likewise.
* elfxx-x86.c (_bfd_x86_elf_link_setup_gnu_properties):
Likewise.
* elfxx-x86.h (elf_x86_plt_layout_table): Renamed to ...
(elf_x86_init_table): This.
(_bfd_x86_elf_link_setup_gnu_properties): Replace
elf_x86_plt_layout_table with elf_x86_init_table.
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|
Don't set r_info and r_sym fields in _bfd_x86_elf_link_hash_table_create.
Instead, set them in _bfd_x86_elf_link_setup_gnu_properties. We can
avoid adding elf64-x86-64.lo and elf64.lo together with elfxx-x86.lo to
bfd_backends.
* configure.ac (bfd_backends): Don't add elf64-x86-64.lo nor
elf64.lo together with elfxx-x86.lo for 64-bit BFD.
* configure: Regenerated.
* elf32-i386.c (elf_i386_link_setup_gnu_properties): Set r_info
and r_sym fields of plt_layout.
* elf64-x86-64.c (elf_x86_64_link_setup_gnu_properties):
Likewise.
* elfxx-x86.c (elf_x86_64_is_reloc_section): Remove BFD64 check.
(_bfd_x86_elf_link_hash_table_create): Likewise. Don't set
r_info nor r_sym fields.
(_bfd_x86_elf_link_setup_gnu_properties): Set r_info and r_sym
fields of htab.
* elfxx-x86.h (elf_x86_plt_layout_table): Add r_info and r_sym.
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|
Instead of converting GOT relocations when sizing dynamic sections, we
convert GOT relocations during relocation check. Add a field, local_ref,
to elf_x86_link_hash_entry to indicate if symbol references are always
local with a new function to check if symbol references are always local,
which works in check_relocs.
* elf32-i386.c (elf_i386_convert_load_reloc): Add an argument,
r_type_p. Remove the converted argument. Replace
SYMBOL_REFERENCES_LOCAL with SYMBOL_REFERENCES_LOCAL_P. Return
the new relocation type via r_type_p.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(need_convert_load): Removed.
(check_relocs_failed): Updated.
(elf_i386_check_relocs): Call elf_i386_convert_load_reloc,
instead of setting need_convert_load.
(_bfd_i386_elf_convert_load): Removed.
* elf64-x86-64.c (need_convert_load): Removed.
(check_relocs_failed): Updated.
(elf_x86_64_convert_load_reloc): Add an argument, r_type_p.
Replace SYMBOL_REFERENCES_LOCAL with SYMBOL_REFERENCES_LOCAL_P.
Return the new relocation type via r_type_p.
(elf_x86_64_check_relocs): Call elf_x86_64_convert_load_reloc,
instead of setting need_convert_load.
(elf_x86_64_check_relocs): Don't check PIC if relocation has
been converted.
(_bfd_x86_64_elf_convert_load): Removed.
(elf_x86_64_relocate_section): Replace SYMBOL_REFERENCES_LOCAL
with SYMBOL_REFERENCES_LOCAL_P.
(elf_x86_64_finish_dynamic_symbol): Likewise.
* elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Don't
set convert_load.
(_bfd_x86_elf_size_dynamic_sections): Don't call convert_load.
(_bfd_x86_elf_link_symbol_references_local): New function.
* elfxx-x86.h (SYMBOL_REFERENCES_LOCAL_P): New.
(UNDEFINED_WEAK_RESOLVED_TO_ZERO): Replace elf.forced_local with
SYMBOL_REFERENCES_LOCAL_P.
(elf_x86_link_hash_entry): Add local_ref.
(elf_x86_link_hash_table): Remove convert_load.
(_bfd_i386_elf_convert_load): Removed.
(_bfd_x86_64_elf_convert_load): Likewise.
(_bfd_x86_elf_link_symbol_references_local): New.
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|
Add R_X86_64_converted_reloc_bit to relocation type to indicate if a
relocation is converted from a GOTPCREL relocation. Linker now generates
failed to convert GOTPCREL relocation; relink with --no-relax
for all cases, including relocations against local symbols.
bfd/
* elf64-x86-64.c (R_X86_64_converted_reloc_bit): New.
(elf_x86_64_info_to_howto): Get the real relocation type by
masking out R_X86_64_converted_reloc_bit.
(elf_x86_64_check_tls_transition): Get the real relocation type
by masking out R_X86_64_converted_reloc_bit.
(elf_x86_64_convert_load_reloc): Set R_X86_64_converted_reloc_bit
instead of setting converted_reloc.
(elf_x86_64_relocate_section): Check R_X86_64_converted_reloc_bit
instead of converted_reloc. Get the real relocation type by
masking out R_X86_64_converted_reloc_bit.
(elf_x86_64_link_setup_gnu_properties): Verify that the value of
R_X86_64_converted_reloc_bit is valid.
* elfxx-x86.h (converted_reloc): Removed.
ld/
* testsuite/ld-x86-64/pr19609-2a.d: Updated.
* testsuite/ld-x86-64/pr19609-2b.d: Likewise.
* testsuite/ld-x86-64/pr19609-4a.d: Likewise.
* testsuite/ld-x86-64/pr19609-4c.d: Likewise.
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When GOTPCREL relocation conversion leads to relocation overflow, we
may get a mysterious linker message, like
relocation truncated to fit: R_X86_64_32S against symbol `foo'
This patch changes the linker message to
failed to convert GOTPCREL relocation; relink with --no-relax
bfd/
* elf64-x86-64.c (elf_x86_64_convert_load_reloc): Remove the sec
argument. Don't check relocation overflow. Avoid relocation
overflow if --no-relax is used. Set converted_reloc on symbol
if a GOTPCREL relocation is converted.
(elf_x86_64_relocate_section): Issue a fatal error and suggest
--no-relax if GOTPCREL relocation conversion leads to relocation
overflow.
* elfxx-x86.h (elf_x86_link_hash_entry): Add converted_reloc.
ld/
* testsuite/ld-x86-64/pr19609-4e.d: Updated.
* testsuite/ld-x86-64/pr19609-6a.d: Likewise.
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|
PR 22067
* elfxx-x86.h (elf_x86_hash_table): Check is_elf_hash_table first.
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|
elf_i386_size_dynamic_sections and elf_x86_64_size_dynamic_sections are
very similar, except for the followings:
1. elf_i386_size_dynamic_sections checks GOT_TLS_IE and GOT_TLS_IE_BOTH.
elf_x86_64_size_dynamic_sections checks only GOT_TLS_IE. Since
GOT_TLS_IE_BOTH is never true for x86-64, it is OK to check GOT_TLS_IE
for both i386 and x86-64.
2, x86-64 sets tlsdesc_plt, but i386 doesn't. We set tlsdesc_plt only
if target_id == X86_64_ELF_DATA.
3. x86-64 has
if (s != htab->elf.srelplt)
s->reloc_count = 0;
and i386 has
s->reloc_count = 0;
i386 did have
if (s != htab->srelplt)
s->reloc_count = 0;
in the original commit:
commit 67a4f2b710581acc83afecff55424af285ecbc28
Author: Alexandre Oliva <aoliva@redhat.com>
Date: Wed Jan 18 21:07:51 2006 +0000
But it was removed by
commit 5ae0bfb60a576344d7f701605346282c1144499e
Author: Richard Sandiford <rdsandiford@googlemail.com>
Date: Tue Feb 28 07:16:12 2006 +0000
bfd/
* elf32-i386.c (elf_i386_link_hash_table): Add next_tls_desc_index.
(elf_i386_link_hash_table_create): Initialize it.
(elf_i386_compute_jump_table_size): Use it instead of
srelplt->reloc_count.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
A later commit:
commit e1f987424b7b3f5ac63a2a6ae044a202a44b8ff8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 21 15:13:37 2011 +0000
Put IRELATIVE relocations after JUMP_SLOT.
bfd/
2011-10-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13302
* elf32-i386.c (elf_i386_link_hash_table): Add next_jump_slot_index
and next_irelative_index.
(elf_i386_link_hash_table_create): Initialize next_jump_slot_index
and next_irelative_index.
(elf_i386_allocate_dynrelocs): Increment reloc_count instead of
next_tls_desc_index.
(elf_i386_size_dynamic_sections): Set next_tls_desc_index and
next_irelative_index from reloc_count.
(elf_i386_finish_dynamic_symbol): Put R_386_IRELATIVE after
R_386_JUMP_SLOT.
changed it back to use reloc_count again. So it is correct to use
if (s != htab->elf.srelplt)
s->reloc_count = 0;
for both i386 and x86-64 now.
4. i386 and x86-64 use different DT_XXXs. They are handled by adding
them to elf_x86_link_hash_table.
With these changes, we can share _bfd_x86_elf_size_dynamic_sections in
elf32-i386.c and elf64-x86-64.c.
* elf32-i386.c (elf_i386_convert_load): Renamed to ...
(_bfd_i386_elf_convert_load): This. Remove static.
(elf_i386_size_dynamic_sections): Removed.
(elf_backend_size_dynamic_sections): Likewise.
* elf64-x86-64.c (elf_x86_64_convert_load): Renamed to ...
(_bfd_x86_64_elf_convert_load): This. Remove static.
(elf_x86_64_size_dynamic_sections): Removed.
(elf_backend_size_dynamic_sections): Likewise.
* elfxx-x86.c (_bfd_x86_elf_allocate_dynrelocs): Renamed to ...
(elf_x86_allocate_dynrelocs): This. Make it static.
(_bfd_x86_elf_allocate_local_dynrelocs): Renamed to ...
(elf_x86_allocate_local_dynreloc): This. Make it static.
(elf_i386_is_reloc_section): New function.
(elf_x86_64_is_reloc_section): Likewise.
(_bfd_x86_elf_link_hash_table_create): Initialize convert_load,
is_reloc_section, dt_reloc, dt_reloc_sz and dt_reloc_ent.
Rearrange got_entry_size initialization.
(_bfd_x86_elf_size_dynamic_sections): New function.
* elfxx-x86.h (elf_x86_link_hash_table): Add convert_load,
is_reloc_section, dt_reloc, dt_reloc_sz and dt_reloc_ent.
(_bfd_i386_elf_convert_load): New.
(_bfd_x86_64_elf_convert_load): Likewise.
(_bfd_x86_elf_size_dynamic_sections): Likewise.
(elf_backend_size_dynamic_sections): Likewise.
(_bfd_x86_elf_allocate_dynrelocs): Removed.
(_bfd_x86_elf_allocate_local_dynrelocs): Likewise.
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* elfxx-x86.h (elf_x86_link_hash_table): Rearrange fields and
update comments.
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Since PLT_CIE_LENGTH, PLT_FDE_LENGTH, PLT_FDE_START_OFFSET and
PLT_FDE_LEN_OFFSET are identical in elf32-i386.c and elf64-x86-64.c,
they can be defined in elfxx-x86.h.
* elf32-i386.c (PLT_CIE_LENGTH, PLT_FDE_LENGTH,
PLT_FDE_START_OFFSET, PLT_FDE_LEN_OFFSET): Moved to ...
* elfxx-x86.h (PLT_CIE_LENGTH, PLT_FDE_LENGTH,
PLT_FDE_START_OFFSET, PLT_FDE_LEN_OFFSET): Here.
* elf64-x86-64.c (PLT_CIE_LENGTH, PLT_FDE_LENGTH,
PLT_FDE_START_OFFSET, PLT_FDE_LEN_OFFSET): Removed.
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Share _bfd_x86_elf_allocate_dynrelocs in elf32-i386.c and elf64-x86-64.c.
* elf32-i386.c (elf_i386_allocate_dynrelocs): Removed.
(elf_i386_allocate_local_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Replace
elf_i386_allocate_dynrelocs/elf_i386_allocate_local_dynrelocs
with _bfd_x86_elf_allocate_dynrelocs and
_bfd_x86_elf_allocate_local_dynrelocs.
* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Removed.
(elf_x86_64_allocate_local_dynrelocs): Likewise.
(elf_x86_64_size_dynamic_sections): Replace
elf_x86_64_allocate_dynrelocs/elf_x86_64_allocate_local_dynrelocs
with _bfd_x86_elf_allocate_dynrelocs and
_bfd_x86_elf_allocate_local_dynrelocs.
* elfxx-x86.c (_bfd_x86_elf_allocate_dynrelocs): New function.
(_bfd_x86_elf_allocate_local_dynrelocs): Likewise.
* elfxx-x86.h (_bfd_x86_elf_allocate_dynrelocs): New prototype.
(_bfd_x86_elf_allocate_local_dynrelocs): Likewise.
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Share is_x86_elf in elf32-i386.c and elf64-x86-64.c.
* elf32-i386.c (is_i386_elf): Removed.
(elf_i386_check_relocs): Replace is_i386_elf with is_x86_elf.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (is_x86_64_elf): Removed.
(elf_x86_64_check_relocs): Replace is_x86_64_elf with
is_x86_elf.
(elf_x86_64_size_dynamic_sections): Likewise.
(elf_x86_64_relocate_section): Likewise.
* elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Initialize
target_id.
* elfxx-x86.h (elf_x86_link_hash_table): Add target_id.
(is_x86_elf): New.
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Share elf_x86_compute_jump_table_size in elf32-i386.c and
elf64-x86-64.c.
* elf32-i386.c (elf_i386_compute_jump_table_size): Removed.
(elf_i386_allocate_dynrelocs): Replace
elf_i386_compute_jump_table_size with
elf_x86_compute_jump_table_size.
(elf_i386_size_dynamic_sections): Likewise.
* elf64-x86-64.c (elf_x86_64_compute_jump_table_size): Removed.
(elf_x86_64_allocate_dynrelocs): Replace
elf_x86_64_compute_jump_table_size with
elf_x86_compute_jump_table_size.
(elf_x86_64_size_dynamic_sections): Likewise.
* elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Initialize
got_entry_size.
* elfxx-x86.h (elf_x86_link_hash_table): Add got_entry_size.
(elf_x86_compute_jump_table_size): New.
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Initialize htab->sizeof_reloc once, instead of computing it every time.
* elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Initialize
sizeof_reloc.
(_bfd_x86_elf_adjust_dynamic_symbol): Use sizeof_reloc.
* elfxx-x86.h (elf_x86_link_hash_table): Add sizeof_reloc.
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elf64-x86-64.c can use GOT_TLS_* definitions in elf32-i386.c with
GOT_TLS_IE_POS, GOT_TLS_IE_NEG and GOT_TLS_IE_BOTH unused.
* elf32-i386.c (GOT_TLS_IE, GOT_TLS_IE_POS, GOT_TLS_IE_NEG,
GOT_TLS_IE_BOTH, GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P,
GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): Moved to ...
* elfxx-x86.h (GOT_TLS_IE, GOT_TLS_IE_POS, GOT_TLS_IE_NEG,
GOT_TLS_IE_BOTH, GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P,
GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): Here.
* elf64-x86-64.c (GOT_TLS_IE, GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P,
GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): Removed.
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Since R_X86_64_GNU_VTINHERIT == R_386_GNU_VTINHERIT and
R_X86_64_GNU_VTENTRY == R_386_GNU_VTENTRY, we can share
_bfd_x86_elf_gc_mark_hook in elf32-i386.c and elf64-x86-64.c.
* elf32-i386.c (elf_i386_gc_mark_hook): Removed.
(elf_backend_gc_mark_hook): Likewise.
* elf64-x86-64.c (elf_x86_64_gc_mark_hook): Likewise.
(elf_backend_gc_mark_hook): Likewise.
* elfxx-x86.c (_bfd_x86_elf_gc_mark_hook): New function.
* elfxx-x86.h (_bfd_x86_elf_gc_mark_hook): New.
(elf_backend_gc_mark_hook): Likewise.
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Share _bfd_x86_elf_adjust_dynamic_symbol in elf32-i386.c and
elf64-x86-64.c.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Removed.
(elf_backend_adjust_dynamic_symbol): Likewise.
* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise.
(elf_backend_adjust_dynamic_symbol): Likewise.
* elfxx-x86.c (_bfd_x86_elf_adjust_dynamic_symbol): New function.
(_bfd_x86_elf_link_setup_gnu_properties): Copy is_vxworks.
* elfxx-x86.h (elf_x86_link_hash_table): Add is_vxworks.
(_bfd_x86_elf_adjust_dynamic_symbol): New.
(elf_backend_adjust_dynamic_symbol): Likewise.
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* elfxx-x86.h (elf_x86_plt_layout_table): Fix a typo in
comments.
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Share _bfd_x86_elf_mkobject in elf32-i386.c and elf64-x86-64.c.
* elf32-i386.c (elf_i386_mkobject): Removed.
(bfd_elf32_mkobject): Likewise.
* elf64-x86-64.c (elf_x86_64_mkobject): Likewise.
(bfd_elf64_mkobject): Likewise.
(bfd_elf32_mkobject): Likewise.
* elfxx-x86.c (_bfd_x86_elf_mkobject): New function.
(_bfd_x86_elf_mkobject): New.
(bfd_elf64_mkobject): Likewise.
(bfd_elf32_mkobject): Likewise.
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Extract the common parts of elf_i386_link_setup_gnu_properties and
elf_x86_64_link_setup_gnu_properties into a new function.
For x86-64, since PIC PLT layouts are the same as non-PIC PLT layouts,
initialize pic_plt0_entry and pic_plt_entry fields in PLT layouts with
the non-PIC PLT entries.
* elf32-i386.c (elf_i386_link_setup_gnu_properties): Updated.
Call _bfd_x86_elf_link_setup_gnu_properties.
* elf64-x86-64.c (elf_x86_lazy_plt_layout): Initialize
pic_plt0_entry and pic_plt_entry fields with the non-PIC PLT
entries.
(elf_x86_64_non_lazy_plt): Likewise.
(elf_x86_64_lazy_bnd_plt): Likewise.
(elf_x86_64_non_lazy_bnd_plt): Likewise.
(elf_x86_64_lazy_ibt_plt): Likewise.
(elf_x32_lazy_ibt_plt): Likewise.
(elf_x86_64_non_lazy_ibt_plt): Likewise.
(elf_x32_non_lazy_ibt_plt): Likewise.
(elf_x86_64_nacl_plt): Likewise.
(elf_x86_64_link_setup_gnu_properties): Updated. Call
_bfd_x86_elf_link_setup_gnu_properties.
* elfxx-x86.c: Include elf-vxworks.h".
(_bfd_x86_elf_link_setup_gnu_properties): New function.
* elfxx-x86.h (elf_x86_lazy_plt_layout): Remove "for i386 only"
comments for pic_plt0_entry and pic_plt_entry.
(elf_x86_non_lazy_plt_layout): Likewise.
(elf_x86_plt_layout_table): New.
(_bfd_x86_elf_link_setup_gnu_properties): Likewise.
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Move the common codes in elf_i386_get_synthetic_symtab and
elf_x86_64_get_synthetic_symtab to _bfd_x86_elf_get_synthetic_symtab.
* elf32-i386.c (elf_i386_plt_type): Removed.
(elf_i386_plt): Likewise.
(elf_i386_get_synthetic_symtab): Updated. Call
_bfd_x86_elf_get_synthetic_symtab.
* elf64-x86-64.c (elf_x86_64_plt_type): Removed.
(elf_x86_64_plt): Likewise.
(elf_x86_64_get_synthetic_symtab): Updated. Call
_bfd_x86_elf_get_synthetic_symtab.
* elfxx-x86.c (elf_i386_get_plt_got_vma): New function.
(elf_x86_64_get_plt_got_vma): Likewise.
(elf_i386_valid_plt_reloc_p): Likewise.
(elf_x86_64_valid_plt_reloc_p): Likewise.
(_bfd_x86_elf_get_synthetic_symtab): Likewise.
* elfxx-x86.h (elf_x86_plt_type): New.
(elf_x86_plt): Likewise.
(_bfd_x86_elf_get_synthetic_symtab): Likewise.
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Share _bfd_x86_elf_link_hash_table_create in elf32-i386.c and
elf64-x86-64.c by:
1. Replace elf_i386_lazy_plt_layout, elf_i386_non_lazy_plt_layout,
elf_i386_plt_layout, elf_x86_64_lazy_plt_layout,
elf_x86_64_non_lazy_plt_layout and elf_x86_64_plt_layout with
elf_x86_lazy_plt_layout, elf_x86_non_lazy_plt_layout and
elf_x86_plt_layout.
2. Move plt, lazy_plt, non_lazy_plt, srelplt2 and next_tls_desc_index
from elf_i386_link_hash_table to elf_x86_link_hash_table.
3. Remove elf_i386_link_hash_table and elf_x86_64_link_hash_table.
* elf32-i386.c (ELF_DYNAMIC_INTERPRETER): Removed.
(elf_i386_lazy_plt_layout): Likewise.
(elf_i386_non_lazy_plt_layout): Likewise.
(elf_i386_plt_layout): Likewise.
(elf_i386_link_hash_table): Likewise.
(elf_i386_next_tls_desc_index): Likewise.
(elf_i386_srelplt2): Likewise.
(elf_i386_plt): Likewise.
(elf_i386_lazy_plt): Likewise.
(elf_i386_non_lazy_plt): Likewise.
(elf_i386_link_hash_table_create): Likewise.
(bfd_elf32_bfd_link_hash_table_create): Likewise.
(elf_i386_lazy_plt): Updated.
(elf_i386_non_lazy_plt): Likewise.
(elf_i386_lazy_ibt_plt): Likewise.
(elf_i386_non_lazy_ibt_plt): Likewise.
(elf_i386_allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(elf_i386_finish_dynamic_sections): Likewise.
(elf_i386_get_synthetic_symtab): Likewise.
(elf_i386_link_setup_gnu_properties): Likewise.
(elf_i386_nacl_plt): Likewise.
* elf64-x86-64.c (ABI_64_P): Removed.
(ELF64_DYNAMIC_INTERPRETER): Likewise.
(ELF32_DYNAMIC_INTERPRETER): Likewise.
(elf_x86_64_lazy_plt_layout): Likewise.
(elf_x86_64_non_lazy_plt_layout): Likewise.
(elf_x86_64_plt_layout): Likewise.
(elf_x86_64_link_hash_table): Likewise.
(elf_x86_64_plt): Likewise.
(elf_x86_64_lazy_plt): Likewise.
(elf_x86_64_non_lazy_plt): Likewise.
(elf_x86_64_link_hash_table_create): Likewise.
(bfd_elf64_bfd_link_hash_table_create): Likewise.
(bfd_elf32_bfd_link_hash_table_create): Likewise.
(elf_x86_64_lazy_plt): Updated.
(elf_x86_64_non_lazy_plt): Likewise.
(elf_x86_64_lazy_bnd_plt): Likewise.
(elf_x86_64_non_lazy_bnd_plt): Likewise.
(elf_x86_64_lazy_ibt_plt): Likewise.
(elf_x32_lazy_ibt_plt): Likewise.
(elf_x86_64_non_lazy_ibt_plt): Likewise.
(elf_x32_non_lazy_ibt_plt): Likewise.
(elf_x86_64_allocate_dynrelocs): Likewise.
(elf_x86_64_size_dynamic_sections): Likewise.
(elf_x86_64_relocate_section): Likewise.
(elf_x86_64_finish_dynamic_symbol): Likewise.
(elf_x86_64_finish_dynamic_sections): Likewise.
(elf_x86_64_get_synthetic_symtab): Likewise.
(elf_x86_64_link_setup_gnu_properties): Likewise.
(elf_x86_64_nacl_plt): Likewise.
* elfxx-x86.c: Include "objalloc.h", "elf/i386.h" and
"elf/x86-64.h".
(ELF32_DYNAMIC_INTERPRETER): New.
(ELF64_DYNAMIC_INTERPRETER): Likewise.
(ELFX32_DYNAMIC_INTERPRETER): Likewise.
(_bfd_x86_elf_link_hash_table_create): Likewise.
(_bfd_x86_elf_link_hash_table_free): Renamed to ...
(elf_x86_link_hash_table_free): This. Make it static.
* elfxx-x86.h: Don't include "objalloc.h".
(ABI_64_P): New.
(elf_x86_lazy_plt_layout): Likewise.
(elf_x86_non_lazy_plt_layout): Likewise.
(elf_x86_plt_layout): Likewise.
(_bfd_x86_elf_link_hash_table_create): Likewise.
(bfd_elf64_bfd_link_hash_table_create): Likewise.
(bfd_elf32_bfd_link_hash_table_create): Likewise.
(elf_x86_link_hash_table): Add plt, lazy_plt, non_lazy_plt,
srelplt2 and next_tls_desc_index.
(_bfd_x86_elf_link_hash_table_free): Removed.
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