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Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 4c7593c..76924de 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,98 @@ +2010-05-25 Daniel Jacobowitz <dan@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + Andrew Stubbs <ams@codesourcery.com> + + * config.bfd (sh-*-uclinux* | sh[12]-*-uclinux*): Add + bfd_elf32_shl_vec, and FDPIC vectors to targ_selvecs. + * configure.in: Handle FDPIC vectors. + * elf32-sh-relocs.h: Add FDPIC and movi20 relocations. + * elf32-sh.c (DEFAULT_STACK_SIZE): Define. + (SYMBOL_FUNCDESC_LOCAL): Define. Use it instead of + SYMBOL_REFERENCES_LOCAL for function descriptors. + (fdpic_object_p): New. + (sh_reloc_map): Add FDPIC and movi20 relocations. + (sh_elf_info_to_howto, sh_elf_relocate_section): Handle new invalid + range. + (struct elf_sh_plt_info): Add got20 and short_plt. Update all + definitions. + (FDPIC_PLT_ENTRY_SIZE, FDPIC_PLT_LAZY_OFFSET): Define. + (fdpic_sh_plt_entry_be, fdpic_sh_plt_entry_le, fdpic_sh_plts): New. + (FDPIC_SH2A_PLT_ENTRY_SIZE, FDPIC_SH2A_PLT_LAZY_OFFSET): Define. + (fdpic_sh2a_plt_entry_be, fdpic_sh2a_plt_entry_le) + (fdpic_sh2a_short_plt_be, fdpic_sh2a_short_plt_le, fdpic_sh2a_plts): + New. + (get_plt_info): Handle FDPIC. + (MAX_SHORT_PLT): Define. + (get_plt_index, get_plt_offset): Handle short_plt. + (union gotref): New. + (struct elf_sh_link_hash_entry): Add funcdesc, rename tls_type to + got_type and adjust all uses. Add GOT_FUNCDESC. + (struct sh_elf_obj_tdata): Add local_funcdesc. Rename + local_got_tls_type to local_got_type. + (sh_elf_local_got_type): Renamed from sh_elf_local_got_tls_type. All + users changed. + (sh_elf_local_funcdesc): Define. + (struct elf_sh_link_hash_table): Add sfuncdesc, srelfuncdesc, fdpic_p, + and srofixup. + (sh_elf_link_hash_newfunc): Initialize new fields. + (sh_elf_link_hash_table_create): Set fdpic_p. + (sh_elf_omit_section_dynsym): New. + (create_got_section): Create .got.funcdesc, .rela.got.funcdesc + and .rofixup. + (allocate_dynrelocs): Allocate local function descriptors and space + for R_SH_FUNCDESC-related relocations, and for rofixups. + Handle GOT_FUNCDESC. Create fixups. Handle GOT entries which + require function descriptors. + (sh_elf_always_size_sections): Handle PT_GNU_STACK and __stacksize. + (sh_elf_modify_program_headers): New. + (sh_elf_size_dynamic_sections): Allocate function descriptors for + local symbols. Allocate .got.funcdesc contents. Allocate rofixups. + Handle local GOT entries of type GOT_FUNCDESC. Create fixups for + local GOT entries. Ensure that FDPIC libraries always have a PLTGOT + entry in the .dynamic section. + (sh_elf_add_dyn_reloc, sh_elf_got_offset, sh_elf_initialize_funcdesc) + (sh_elf_add_rofixup, sh_elf_osec_to_segment) + (sh_elf_osec_readonly_p, install_movi20_field): New functions. + (sh_elf_relocate_section): Handle new relocations, R_SH_FUNCDESC, + R_SH_GOTFUNCDESC and R_SH_GOTOFFFUNCDESC. Use sh_elf_got_offset + and .got.plt throughout to find _GLOBAL_OFFSET_TABLE_. Add rofixup + read-only section warnings. Handle undefined weak symbols. Generate + fixups for R_SH_DIR32 and GOT entries. Check for cross-segment + relocations and clear EF_SH_PIC. Handle 20-bit relocations. + Always generate R_SH_DIR32 for FDPIC instead of R_SH_RELATIVE. + (sh_elf_gc_sweep_hook): Handle R_SH_FUNCDESC, R_SH_GOTOFF20, + R_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC20, and R_SH_GOTOFFFUNCDESC. + Handle 20-bit relocations. + (sh_elf_copy_indirect_symbol): Copy function descriptor reference + counts. + (sh_elf_check_relocs): Handle new relocations. Make symbols + dynamic for FDPIC relocs. Account for rofixups. Error for FDPIC + symbol mismatches. Allocate a GOT for R_SH_DIR32. Allocate fixups + for R_SH_DIR32. + (sh_elf_copy_private_data): Copy PT_GNU_STACK size. + (sh_elf_merge_private_data): Copy initial flags. Do not clobber + non-mach flags. Set EF_SH_PIC for FDPIC. Reject FDPIC mismatches. + (sh_elf_finish_dynamic_symbol): Do not handle got_funcdesc entries + here. Rename sgot to sgotplt and srel to srelplt. Handle short_plt, + FDPIC descriptors, and got20. Create R_SH_FUNCDESC_VALUE for FDPIC. + Use install_movi20_field. Rename srel to srelgot. Always generate + R_SH_DIR32 for FDPIC instead of R_SH_RELATIVE. + (sh_elf_finish_dynamic_sections): Fill in the GOT pointer in rofixup. + Do not fill in reserved GOT entries for FDPIC. Correct DT_PLTGOT. + Rename sgot to sgotplt. Assert that the right number of rofixups + and dynamic relocations were allocated. + (sh_elf_use_relative_eh_frame, sh_elf_encode_eh_address): New. + (elf_backend_omit_section_dynsym): Use sh_elf_omit_section_dynsym. + (elf_backend_can_make_relative_eh_frame) + (elf_backend_can_make_lsda_relative_eh_frame) + (elf_backend_encode_eh_address): Define. + (TARGET_BIG_SYM, TARGET_BIG_NAME, TARGET_LITTLE_SYM) + (TARGET_LITTLE_NAME, elf_backend_modify_program_headers, elf32_bed): + Redefine for FDPIC vector. + * reloc.c: Add SH FDPIC and movi20 relocations. + * targets.c (_bfd_target_vector): Add FDPIC vectors. + * configure, bfd-in2.h, libbfd.h: Regenerated. + 2010-05-25 Jay Krell <jay.krell@cornell.edu> PR ld/11624 |