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Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 0ff84d97655..a90f4f7c393 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,218 @@ +2004-01-06 Alexandre Oliva <aoliva@redhat.com> + + 2003-12-17 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (_frv_osec_readonly_p): New. + (_frv_emit_got_relocs_plt_entries): Don't emit rofixup for + undefweak symbol. + (_frv_count_got_plt_entries): Adjust expected count accordingly. + (elf32_frv_relocate_section): Likewise. Error out if attempting + to emit rofixups or dynamic relocs in read-only segments. Use + _bfd_elf_section_offset to adjust r_offsets in rofixups and + dynamic relocations. + 2003-12-12 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_relocate_section): Compute dynamic + relocations or fixups involving merged sections correctly. Avoid + crash when undefined symbol is referenced by R_FRV_32 or + R_FRV_FUNCDESC_VALUE. + 2003-12-02 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_relocate_section): Add output_offset of + input section holding local symbol to addend of R_FRV_32 or + R_FRV_FUNCDESC_VALUE dynamic relocation. + 2003-11-27 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_modify_segment_map): Add link info arg. + (elf32_frv_always_size_sections): Don't store pointer to + __stacksize symbol in sec_info. + (elf32_frv_modify_segment_map): Look it up here. + 2003-11-26 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Emit the address + of the lazy PLT entry, not only its offset, as the low word of a + function descriptor. + 2003-11-10 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_always_size_sections): Define __stacksize + if a hash table entry already exists but is not a definition. + 2003-11-05 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (frv_elf_link_hash_table_create): Use bfd_zalloc. + (_frv_add_rofixup): Don't inline. + (_frv_emit_got_relocs_plt_entries): Use NULL as funcdesc address + for undefweak symbols. + (elf32_frv_relocate_section): Avoid crash while computing + relocation when linking with shared library. Only emit rofixups + and dynamic relocations for alloc&load sections. Mark binaries + with inter-segment relocations for relocation as a unit. + (_frv_create_got_section): Rename .rofixup.got to .rofixup. + (DEFAULT_STACK_SIZE): New. + (_frv_count_got_plt_entries): Fix thinko in deciding whether to + emit rofixups or dynamic relocs when linking dynamic non-PIE + executables. + (elf32_frv_size_dynamic_sections): Generate rofixup on PIEs and + shared libs too. Reserve the last entry for the GOT pointer. + (elf32_frv_finish_dynamic_sections): Emit it. + (elf32_frv_always_size_sections): New. + (elf32_frv_modify_segment_map): New. + (elf32_frv_check_relocs): Reserve relocs32 space only in ALLOC + sections. + (frv_elf_merge_private_bfd_data): Clear PIC bit if FDPIC is set. + (frv_elf_print_private_bfd_data): Handle FDPIC and LIBPIC. + (elf_backend_always_size_sections): New. + (elf_backend_modify_segment_map): New. + 2003-10-31 Alexandre Oliva <aoliva@redhat.com> + * config.bfd: Added frv-*-*linux*. + * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Use idx 0 for + ABS section, instead of crashing. + (elf32_frv_relocate_section): Don't crash before warning about + different segments in non-PIC relocation. + 2003-10-17 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_relocate_section): Don't warn on LABEL24 + relocs to undefweak symbols. + (elf32_frv_relocate_section): Ditto for undefined symbols. + 2003-10-06 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_create_dynamic_sections): Make sure + gotfixup section was created. + 2003-09-30 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (elf32_frv_howto_table): Change GOT12, + FUNCDESC_GOT12, GOTOFF12 and FUNCDESC_GOTOFF12 to + complain_overflow_signed. + * elf32-frv.c (_frv_add_rofixup): Do not error out if contents + have not been allocated. + (_frv_emit_got_relocs_plt_entries): Return non-void. Assert + privfd only if dynamic sections were created. + (elf32_frv_relocate_section): Compute gprel_segment, and use it + for GPREL relocs. When linking relocatable FDPIC executables, + emit warnings for relocations that would be illegal on PIE or + shared libraries. Emit rofixup for R_FRV_32 only if input object + is not FDPIC. + (_frv_create_got_section): Define _gp symbol in the rofixup + section. + (elf32_frv_finish_dynamic_sections): If rofixups needed but + dynamic sections missing, error out requesting -melf32frvfd. + 2003-09-19 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Rearrange + computation of addends from section and global or local symbol + value. Change return type to bfd_boolean, and return a failure if + a dynamic FUNCDESC or FUNCDESC_VALUE relocation that requires a + nonzero addend is required. + (elf32_frv_relocate_section): Likewise. Print error for + unsupported nonzero addends. + 2003-09-18 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (FRV_SYM_LOCAL): In the absence of dynamic sections, + force everything local. + (_frv_emit_got_relocs_plt_entries): Cope with NULL sec. + * elf32-frv.c (struct frv_elf_link_hash_table): Added sgotfixup. + (frv_gotfixup_section): New. + (FRV_SYM_LOCAL): Accept undefweak and local common symbols. + (struct frv_pic_relocs_info): Split relocs into relocs32, relocsfd + and relocsfdv. + (_frv_add_rofixup): New. + (_frv_emit_got_relocs_plt_entries): Generate fixups for non-PIE + fdpic executables. Use FRV_SYM_LOCAL more widely to simplify and + improve some ugly conditions. + (elf32_frv_relocate_section): Likewise. Reject inter-segment + relocations in fdpic. + (_frv_create_got_section): Create .rofixup.got section. + (struct _frv_dynamic_got_info): Added fixups. + (_frv_count_got_plt_entries): Account in-GOT relocations into + relocs32, relocsfd and relocsfdv. Account them into relocs or + fixups, as appropriate. + (elf32_frv_size_dynamic_sections): Size rofixup section. Simplify + sizing of gotrel. + (elf32_frv_finish_dynamic_sections): Verify that the right number + of relocations and fixups was generated. + (elf32_frv_check_relocs): Compute relocs32, relocsfd and + relocsfdv. + * elf32-frv.c (FRV_SYM_LOCAL): New macro, used instead of + SYMBOL_CALLS_LOCAL and SYMBOL_REFERENCES_LOCAL. + (FRV_FUNCDESC_LOCAL): New macro, used to decide whether a function + descriptor of a (formerly-)global symbol is local. + (struct frv_pic_relocs_info): Adjust comments. + (_frv_emit_got_relocs_plt_entries): Adjust. + (elf32_frv_relocate_section): Likewise. + (_frv_count_got_plt_entries): Likewise. + * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Don't add global + symbol's value to addend in the common preamble. Decay dynamic + symbols to section+offset if they bind or call locally, for GOT + and FUNCDESC_VALUE, respectively. + (elf32_frv_relocate_section): Likewise. + (elf32_frv_check_relocs): Don't register as dynamic symbols of + internal or hidden visibility. + 2003-09-17 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Get addend as + argument, so as to not call _bfd_elf_rel_local_sym to compute it. + (elf32_frv_relocate_section): Pass relocation addend in. Use + original relocation addend to look up the got relocs/plt entries + table. Do not call _bfd_elf_rel_local_sym. Don't error out when + processing relocations that reference .scommon symbols. + 2003-09-15 Alexandre Oliva <aoliva@redhat.com> + Introduce support for dynamic linking. + * elf32-frv.c (R_FRV_FUNCDESC_VALUE): Mark it as 64 bits. + (elf32_frv_rel_32_howto, elf32_frv_rel_funcdesc_howto, + elf32_frv_rel_funcdesc_value_howto): New REL descriptors. + (frv_reloc_type_lookup): Return REL howtos for executables and + dynamic libraries. + (frv_info_to_howto_rel): New. + (struct frv_elf_link_hash_table): New. + (frv_hash_table, frv_got_section, frv_gotrel_section, + frv_plt_section, frv_pltrel_section, frv_relocs_info, + frv_got_initial_offset, frv_plt_initial_offset): New macros. + (frv_elf_link_hash_table_create): New. + (struct frv_pic_relocs_info): New. + (frv_pic_relocs_info_hash, frv_pic_relocs_info_eq): New. + (frv_pic_relocs_info_find): New. + (frv_pic_relocs_info_for_global, frv_pic_relocs_info_for_local): + New. + (FRV_LZPLT_BLOCK_SIZE, FRV_LZPLT_RESOLVE_LOC): New. + (_frv_add_dyn_reloc, _frv_osec_to_segment): New. + (_frv_emit_got_relocs_plt_entries): New. + (elf32_frv_relocate_section): Add support for dynamic linking. + Handle new relocations. + (_frv_create_got_section): New. + (elf32_frv_create_dynamic_sections): New. + (ELF_DYNAMIC_INTERPRETER): New. + (struct _frv_dynamic_got_info): New. + (_frv_count_got_plt_entries): New. + (struct _frv_dynamic_got_plt_info): New. + (_frv_compute_got_alloc_data): New. + (_frv_get_got_entry, _frv_get_fd_entry): New. + (_frv_assign_got_entries, _frv_assign_plt_entries): New. + (_frv_resolve_final_relocs_info): New. + (elf32_frv_size_dynamic_sections): New. + (elf32_frv_finish_dynamic_sections): New. + (elf32_frv_adjust_dynamic_symbol): New. + (elf32_frv_finish_dynamic_symbol): New. + (elf32_frv_check_relocs): Handle new relocs. Explain how the + whole thing works. + (elf_info_to_howto_rel): Define. + (bfd_elf32_bfd_link_hash_table_create): Define. + (elf_backend_create_dynamic_sections): Define. + (elf_backend_adjust_dynamic_symbol): Define. + (elf_backend_size_dynamic_sections): Define. + (elf_backend_finish_dynamic_symbol): Define. + (elf_backend_finish_dynamic_sections): Define. + (elf_backend_want_got_sym): Define. + (elf_backend_got_header_size): Define. + (elf_backend_want_got_plt): Define. + (elf_backend_plt_readonly): Define. + (elf_backend_want_plt_sym): Define. + (elf_backend_plt_header_size): Define. + (elf_backend_may_use_rel_p): Define. + (elf_backend_may_use_rela_p): Define. + (elf_backend_default_use_rela_p): Define. + 2003-08-08 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12, + R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, + R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New. + (frv_reloc_map): Map the corresponding BFD relocs to them. + (frv_reloc_type_lookup): ... and back to BFD relocs. + * reloc.c: New relocs. + * bfd-in2.h, libbfd.h: Rebuilt. + 2003-08-04 Alexandre Oliva <aoliva@redhat.com> + * elf32-frv.c (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO, + R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI, + R_FRV_FUNCDESC_GOTLO): New. + (frv_reloc_map): Map the corresponding BFD relocs to them. + (frv_reloc_type_lookup): ... and back to BFD relocs. + * reloc.c: New relocs. + * bfd-in2.h, libbfd.h: Rebuilt. + 2004-01-05 Maciej W. Rozycki <macro@ds2.pg.gda.pl> * elf32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional |