+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
projects / deliverable / binutils-gdb.git / blobdiff