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Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 0e52b95..2173fc9 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,64 @@ +2016-06-18 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/20253 + * elf-bfd.h (_bfd_elf_allocate_ifunc_dyn_relocs): Add an + bfd_boolean argument. + * elf-ifunc.c (_bfd_elf_create_ifunc_sections): Replace + "shared object" with "PIC object" in comments. + (_bfd_elf_allocate_ifunc_dyn_relocs): Updated. Replace + "shared object" with "PIC object" in comments. Avoid PLT if + requested. Generate dynamic relocations for non-GOT references. + Make room for the special first entry in PLT and allocate PLT + entry only for PLT and PC-relative references. Store dynamic + GOT relocations in .rel[a].iplt section for static executables. + If PLT isn't used, always use GOT for symbol value. Don't + allocate GOT entry if it isn't used. + * elf32-i386.c (elf_i386_check_relocs): Increment PLT reference + count only in the code section. Allocate dynamic pointer + relocation against STT_GNU_IFUNC symbol in the non-code section. + (elf_i386_adjust_dynamic_symbol): Increment PLT reference count + only for PC-relative references. + (elf_i386_allocate_dynrelocs): Pass TRUE to + _bfd_elf_allocate_ifunc_dyn_relocs. + (elf_i386_relocate_section): Allow R_386_GOT32/R_386_GOT32X + relocations against STT_GNU_IFUNC symbols without PLT. Generate + dynamic pointer relocation against STT_GNU_IFUNC symbol in + the non-code section and store it in the proper REL section. + Don't allow non-pointer relocation against STT_GNU_IFUNC symbol + without PLT. + (elf_i386_finish_dynamic_symbol): Generate dynamic + R_386_IRELATIVE and R_386_GLOB_DAT GOT relocations against + STT_GNU_IFUNC symbols without PLT. + (elf_i386_finish_dynamic_sections): Don't handle local + STT_GNU_IFUNC symbols here. + (elf_i386_output_arch_local_syms): Handle local STT_GNU_IFUNC + symbols here. + (elf_backend_output_arch_local_syms): New. + * elf32-x86-64.c (elf_i386_check_relocs): Increment PLT reference + count only in the code section. Allocate dynamic pointer + relocation against STT_GNU_IFUNC symbol in the non-code section. + (elf_x86_64_adjust_dynamic_symbol): Increment PLT reference + count only for PC-relative references. + (elf_x86_64_allocate_dynrelocs): Pass TRUE to + _bfd_elf_allocate_ifunc_dyn_relocs. + (elf_x86_64_relocate_section): Allow R_X86_64_GOTPCREL, + R_X86_64_GOTPCRELX, R_X86_64_REX_GOTPCRELX and + R_X86_64_GOTPCREL64 relocations against STT_GNU_IFUNC symbols + without PLT. Generate dynamic pointer relocation against + STT_GNU_IFUNC symbol in the non-code section and store it in + the proper RELA section. Don't allow non-pointer relocation + against STT_GNU_IFUNC symbol without PLT. + (elf_x86_64_finish_dynamic_symbol): Generate dynamic + R_X86_64_IRELATIVE and R_X86_64_GLOB_DAT GOT relocations against + STT_GNU_IFUNC symbols without PLT. + (elf_x86_64_finish_dynamic_sections): Don't handle local + STT_GNU_IFUNC symbols here. + (elf_x86_64_output_arch_local_syms): Handle local STT_GNU_IFUNC + symbols here. + (elf_backend_output_arch_local_syms): New. + * elfnn-aarch64.c (elfNN_aarch64_allocate_ifunc_dynrelocs): + Pass FALSE to _bfd_elf_allocate_ifunc_dyn_relocs. + 2016-06-17 Thomas Preud'homme <thomas.preudhomme@arm.com> Tony Wang <tony.wang@arm.com> |