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Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 3012ba7..fade6a7 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,77 @@ +2006-01-18 Alexandre Oliva <aoliva@redhat.com> + + Introduce TLS descriptors for i386 and x86_64. + * reloc.c (BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC, + BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC, + BFD_RELOC_X86_64_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL): New. + * libbfd.h, bfd-in2.h: Rebuilt. + * elf32-i386.c (elf_howto_table): New relocations. + (R_386_tls): Adjust. + (elf_i386_reloc_type_lookup): Map new relocations. + (GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros. + (GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros. + (struct elf_i386_link_hash_entry): Add tlsdesc_got field. + (struct elf_i386_obj_tdata): Add local_tlsdesc_gotent field. + (elf_i386_local_tlsdesc_gotent): New macro. + (struct elf_i386_link_hash_table): Add sgotplt_jump_table_size. + (elf_i386_compute_jump_table_size): New macro. + (link_hash_newfunc): Initialize tlsdesc_got. + (elf_i386_link_hash_table_create): Set sgotplt_jump_table_size. + (elf_i386_tls_transition): Handle R_386_TLS_GOTDESC and + R_386_TLS_DESC_CALL. + (elf_i386_check_relocs): Likewise. Allocate space for + local_tlsdesc_gotent. + (elf_i386_gc_sweep_hook): Handle R_386_TLS_GOTDESC and + R_386_TLS_DESC_CALL. + (allocate_dynrelocs): Count function PLT relocations. Reserve + space for TLS descriptors and relocations. + (elf_i386_size_dynamic_sections): Reserve space for TLS + descriptors and relocations. Set up sgotplt_jump_table_size. + Don't zero reloc_count in srelplt. + (elf_i386_always_size_sections): New. Set up _TLS_MODULE_BASE_. + (elf_i386_relocate_section): Handle R_386_TLS_GOTDESC and + R_386_TLS_DESC_CALL. + (elf_i386_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P. + (elf_backend_always_size_sections): Define. + * elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_GOTPC32_TLSDESC, + R_X86_64_TLSDESC, R_X86_64_TLSDESC_CALL. + (R_X86_64_standard): Adjust. + (x86_64_reloc_map): Map new relocs. + (elf64_x86_64_rtype_to_howto): New, split out of... + (elf64_x86_64_info_to_howto): ... this function, and... + (elf64_x86_64_reloc_type_lookup): ... use it to map elf_reloc_val. + (GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros. + (GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros. + (struct elf64_x86_64_link_hash_entry): Add tlsdesc_got field. + (struct elf64_x86_64_obj_tdata): Add local_tlsdesc_gotent field. + (elf64_x86_64_local_tlsdesc_gotent): New macro. + (struct elf64_x86_64_link_hash_table): Add tlsdesc_plt, + tlsdesc_got and sgotplt_jump_table_size fields. + (elf64_x86_64_compute_jump_table_size): New macro. + (link_hash_newfunc): Initialize tlsdesc_got. + (elf64_x86_64_link_hash_table_create): Initialize new fields. + (elf64_x86_64_tls_transition): Handle R_X86_64_GOTPC32_TLSDESC and + R_X86_64_TLSDESC_CALL. + (elf64_x86_64_check_relocs): Likewise. Allocate space for + local_tlsdesc_gotent. + (elf64_x86_64_gc_sweep_hook): Handle R_X86_64_GOTPC32_TLSDESC and + R_X86_64_TLSDESC_CALL. + (allocate_dynrelocs): Count function PLT relocations. Reserve + space for TLS descriptors and relocations. + (elf64_x86_64_size_dynamic_sections): Reserve space for TLS + descriptors and relocations. Set up sgotplt_jump_table_size, + tlsdesc_plt and tlsdesc_got. Make room for them. Don't zero + reloc_count in srelplt. Add dynamic entries for DT_TLSDESC_PLT + and DT_TLSDESC_GOT. + (elf64_x86_64_always_size_sections): New. Set up + _TLS_MODULE_BASE_. + (elf64_x86_64_relocate_section): Handle R_386_TLS_GOTDESC and + R_386_TLS_DESC_CALL. + (elf64_x86_64_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P. + (elf64_x86_64_finish_dynamic_sections): Set DT_TLSDESC_PLT and + DT_TLSDESC_GOT. Set up TLS descriptor lazy resolver PLT entry. + (elf_backend_always_size_sections): Define. + 2006-01-17 H.J. Lu <hongjiu.lu@intel.com> PR binutils/2096 |