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author | Catherine Moore <clm@codesourcery.com> | 2015-05-28 14:50:36 -0700 |
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committer | Catherine Moore <clm@codesourcery.com> | 2015-05-28 15:21:17 -0700 |
commit | 2f0c68f23bb3132cd5ac466ca8775c0d9e4960cd (patch) | |
tree | ee50d831561b5130e49bb30dfedb47f326f3b9ef /bfd/ChangeLog | |
parent | e970cb3401cf549accc92452f4888440fb983f39 (diff) | |
download | gdb-2f0c68f23bb3132cd5ac466ca8775c0d9e4960cd.zip gdb-2f0c68f23bb3132cd5ac466ca8775c0d9e4960cd.tar.gz gdb-2f0c68f23bb3132cd5ac466ca8775c0d9e4960cd.tar.bz2 |
Compact EH Support
The specification for the Compact EH format is available at:
https://github.com/MentorEmbedded/cxx-abi/blob/master/MIPSCompactEH.pdf
2015-05-28 Catherine Moore <clm@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
Paul Brook <paul@codesourcery.com>
bfd/
* bfd-in2.h: Regenerated.
* elf-bfd.h (DWARF2_EH_HDR, COMPACT_EH_HDR): Define.
(COMPACT_EH_CANT_UNWIND_OPCODE): Define.
(dwarf_eh_frame_hdr_info): Move dwarf-specific fields from
eh_frame_hdr_info.
(compact_eh_frame_hdr_info): Declare.
(eh_frame_hdr_info): Redeclare with union for dwarf-specific
fields and compact-eh fields.
(elf_backend_data): Add cant_unwind_opcode and compact_eh_encoding.
(bfd_elf_section_data): Add eh_frame_entry_field.
(elf_section_eh_frame_entry): Define.
(bfd_elf_parse_eh_frame_entries): Declare.
(_bfd_elf_parse_eh_frame_entry): Declare.
(_bfd_elf_end_eh_frame_parsing): Declare.
(_bfd_elf_write_section_eh_frame_entry): Declare.
(_bfd_elf_eh_frame_entry_present): Declare.
(_bfd_elf_section_for_symbol): Declare.
* elf-eh-frame.c (bfd_elf_discard_eh_frame_entry): New function.
(bfd_elf_record_eh_frame_entry): New function.
(_bfd_elf_parse_eh_frame_entry): New function.
(_bfd_elf_parse_eh_frame): Update hdr_info field references.
(cmp_eh_frame_hdr): New function.
(add_eh_frame_hdr_terminator): New function.
(_bfd_elf_end_eh_frame_parsing): New function.
(find_merged_cie): Update hdr_info field references.
(_bfd_elf_discard_section_eh_frame): Likewise.
(_bfd_elf_discard_section_eh_frame_hdr): Add Compact EH support.
(_bfd_elf_eh_frame_entry_present): New function.
(_bfd_elf_maybe_strip_eh_frame_hdr): Add Compact EH support.
(_bfd_elf_write_section_eh_frame_entry): New function.
(_bfd_elf_write_section_eh_frame): Update hdr_info field references.
(_bfd_elf_fixup_eh_frame_hdr): New function.
(write_compact_eh_frame_hdr): New function.
(write_dwarf_eh_frame_hdr): New function.
(_bfd_elf_write_section_eh_frame_hdr): Add Compact EH support.
* elflink.c (_bfd_elf_section_for_symbol): New function.
(elf_section_ignore_discarded_relocs): Add Compact EH support.
(elf_link_input_bfd): Likewise.
(bfd_elf_final_link): Likewise.
(_bfd_elf_gc_mark): Likewise.
(bfd_elf_parse_eh_frame_entries): New function.
(bfd_elf_gc_sections): Add Compact EH support.
(bfd_elf_discard_info): Likewise.
* elfxx-mips.c: Include dwarf2.h.
(_bfd_mips_elf_compact_eh_encoding): New function.
(_bfd_mips_elf_cant_unwind_opcode): New function.
* elfxx-mips.h (_bfd_mips_elf_compact_eh_encoding): Declare.
(_bfd_mips_elf_cant_unwind_opcode): Declare.
(elf_backend_compact_eh_encoding): Define.
(elf_backend_cant_unwind_opcode): Define.
* elfxx-target.h (elf_backend_compact_eh_encoding): Provide default.
(elf_backend_cant_unwind_opcode): Provide default.
(elf_backend_data elfNN_bed): Add elf_backend_compact_eh_encoding and
elf_backend_cant_unwind_opcode.
* section.c (SEC_INFO_TYPE_EH_FRAME_ENTRY): Add definition.
gas/
* config/tc-alpha.c (all_cfi_sections): Declare.
(s_alpha_ent): Initialize all_cfi_sections.
(alpha_elf_md_end): Invoke cfi_set_sections.
* config/tc-mips.c (md_apply_fix): Handle BFD_RELOC_NONE.
(s_ehword): Use BFD_RELOC_32_PCREL.
(mips_fix_adjustable): Handle BFD_RELOC_32_PCREL.
(mips_cfi_reloc_for_encoding): New function.
* tc-mips.h (DWARF2_FDE_RELOC_SIZE): Redefine.
(DWARF2_FDE_RELOC_ENCODING): Define.
(tc_cfi_reloc_for_encoding): Define.
(mips_cfi_reloc_for_encoding): Define.
(tc_compact_eh_opcode_stop): Define.
(tc_compact_eh_opcode_pad): Define.
* doc/as.texinfo: Document Compact EH extensions.
* doc/internals.texi: Likewise.
* dw2gencfi.c (EH_FRAME_LINKONCE): Redefine.
(tc_cfi_reloc_for_encoding): Provide default.
(compact_eh): Declare.
(emit_expr_encoded): New function.
(get_debugseg_name): Add Compact EH support.
(alloc_debugseg_item): Likewise.
(cfi_set_sections): New function.
(dot_cfi_fde_data): New function.
(dot_cfi_personality_id): New function.
(dot_cfi_inline_lsda): New function.
(cfi_pseudo_table): Add cfi_fde_data, cfi_personality_id,
and cfi_inline_lsda.
(dot_cfi_personality): Add Compact EH support.
(dot_cfi_lsda): Likewise.
(dot_cfi_sections): Likewise.
(dot_cfi_startproc): Likewise.
(get_cfi_seg): Likewise.
(output_compact_unwind_data): New function.
(output_cfi_insn): Add Compact EH support.
(output_cie): Likewise.
(output_fde): Likewise.
(cfi_finish): Likewise.
(cfi_emit_eh_header): New function.
(output_eh_header): New function.
* dw2gencfi.h (cfi_set_sections): Declare.
(SUPPORT_COMPACT_EH): Define.
(MULTIPLE_FRAME_SECTIONS): Define.
New enumeration to describe the Compact EH header format.
(fde_entry): Add new fields personality_id, eh_header_type, eh_data_size,
eh_data, eh_loc and sections.
(CFI_EMIT_eh_frame, CFI_EMIT_debug_frame, CFI_EMIT_target,
CFI_EMIT_eh_frame_compact): Define.
2015-05-22 Catherine Moore <clm@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
gas/testsuite/
* gas/mips/mips.exp: Run new tests.
* gas/mips/compact-eh-1.s: New file.
* gas/mips/compact-eh-2.s: New file.
* gas/mips/compact-eh-3.s: New file.
* gas/mips/compact-eh-4.s: New file.
* gas/mips/compact-eh-5.s: New file.
* gas/mips/compact-eh-6.s: New file.
* gas/mips/compact-eh-7.s: New file.
* gas/mips/compact-eh-eb-1.d: New file.
* gas/mips/compact-eh-eb-2.d: New file.
* gas/mips/compact-eh-eb-3.d: New file.
* gas/mips/compact-eh-eb-4.d: New file.
* gas/mips/compact-eh-eb-5.d: New file.
* gas/mips/compact-eh-eb-6.d: New file.
* gas/mips/compact-eh-eb-7.d: New file.
* gas/mips/compact-eh-el-1.d: New file.
* gas/mips/compact-eh-el-2.d: New file.
* gas/mips/compact-eh-el-3.d: New file.
* gas/mips/compact-eh-el-4.d: New file.
* gas/mips/compact-eh-el-5.d: New file.
* gas/mips/compact-eh-el-6.d: New file.
* gas/mips/compact-eh-el-7.d: New file.
* gas/mips/compact-eh-err1.l: New file.
* gas/mips/compact-eh-err1.s: New file.
* gas/mips/compact-eh-err2.l: New file.
* gas/mips/compact-eh-err2.s: New file.
2015-05-22 Catherine Moore <clm@codesourcery.com>
include/
* bfdlink.h: Rename eh_frame_hdr to eh_frame_hdr_type.
2015-05-22 Catherine Moore <clm@codesourcery.com>
Paul Brook <paul@codesourcery.com>
ld/
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
Add Compact EH support.
* scripttempl/elf.sc: Handle .eh_frame_entry and .gnu_extab
sections.
2015-05-22 Catherine Moore <clm@codesourcery.com>
ld/testsuite/
* ld-mips-elf/compact-eh.ld: New linker script.
* ld-mips-elf/compact-eh1.d: New.
* ld-mips-elf/compact-eh1.s: New.
* ld-mips-elf/compact-eh1a.s: New.
* ld-mips-elf/compact-eh1b.s: New.
* ld-mips-elf/compact-eh2.d: New.
* ld-mips-elf/compact-eh2.s: New.
* ld-mips-elf/compact-eh3.d: New.
* ld-mips-elf/compact-eh3.s: New.
* ld-mips-elf/compact-eh3a.s: New.
* ld-mips-elf/compact-eh4.d: New.
* ld-mips-elf/compact-eh5.d: New.
* ld-mips-elf/compact-eh6.d: New.
* ld-mips-elf/mips-elf.exp: Run new tests.
Diffstat (limited to 'bfd/ChangeLog')
-rw-r--r-- | bfd/ChangeLog | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index a8a0ad9..48a3228 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,64 @@ +2015-05-28 Catherine Moore <clm@codesourcery.com> + Bernd Schmidt <bernds@codesourcery.com> + Paul Brook <paul@codesourcery.com> + + bfd/ + * bfd-in2.h: Regenerated. + * elf-bfd.h (DWARF2_EH_HDR, COMPACT_EH_HDR): Define. + (COMPACT_EH_CANT_UNWIND_OPCODE): Define. + (dwarf_eh_frame_hdr_info): Move dwarf-specific fields from + eh_frame_hdr_info. + (compact_eh_frame_hdr_info): Declare. + (eh_frame_hdr_info): Redeclare with union for dwarf-specific + fields and compact-eh fields. + (elf_backend_data): Add cant_unwind_opcode and compact_eh_encoding. + (bfd_elf_section_data): Add eh_frame_entry_field. + (elf_section_eh_frame_entry): Define. + (bfd_elf_parse_eh_frame_entries): Declare. + (_bfd_elf_parse_eh_frame_entry): Declare. + (_bfd_elf_end_eh_frame_parsing): Declare. + (_bfd_elf_write_section_eh_frame_entry): Declare. + (_bfd_elf_eh_frame_entry_present): Declare. + (_bfd_elf_section_for_symbol): Declare. + * elf-eh-frame.c (bfd_elf_discard_eh_frame_entry): New function. + (bfd_elf_record_eh_frame_entry): New function. + (_bfd_elf_parse_eh_frame_entry): New function. + (_bfd_elf_parse_eh_frame): Update hdr_info field references. + (cmp_eh_frame_hdr): New function. + (add_eh_frame_hdr_terminator): New function. + (_bfd_elf_end_eh_frame_parsing): New function. + (find_merged_cie): Update hdr_info field references. + (_bfd_elf_discard_section_eh_frame): Likewise. + (_bfd_elf_discard_section_eh_frame_hdr): Add Compact EH support. + (_bfd_elf_eh_frame_entry_present): New function. + (_bfd_elf_maybe_strip_eh_frame_hdr): Add Compact EH support. + (_bfd_elf_write_section_eh_frame_entry): New function. + (_bfd_elf_write_section_eh_frame): Update hdr_info field references. + (_bfd_elf_fixup_eh_frame_hdr): New function. + (write_compact_eh_frame_hdr): New function. + (write_dwarf_eh_frame_hdr): New function. + (_bfd_elf_write_section_eh_frame_hdr): Add Compact EH support. + * elflink.c (_bfd_elf_section_for_symbol): New function. + (elf_section_ignore_discarded_relocs): Add Compact EH support. + (elf_link_input_bfd): Likewise. + (bfd_elf_final_link): Likewise. + (_bfd_elf_gc_mark): Likewise. + (bfd_elf_parse_eh_frame_entries): New function. + (bfd_elf_gc_sections): Add Compact EH support. + (bfd_elf_discard_info): Likewise. + * elfxx-mips.c: Include dwarf2.h. + (_bfd_mips_elf_compact_eh_encoding): New function. + (_bfd_mips_elf_cant_unwind_opcode): New function. + * elfxx-mips.h (_bfd_mips_elf_compact_eh_encoding): Declare. + (_bfd_mips_elf_cant_unwind_opcode): Declare. + (elf_backend_compact_eh_encoding): Define. + (elf_backend_cant_unwind_opcode): Define. + * elfxx-target.h (elf_backend_compact_eh_encoding): Provide default. + (elf_backend_cant_unwind_opcode): Provide default. + (elf_backend_data elfNN_bed): Add elf_backend_compact_eh_encoding and + elf_backend_cant_unwind_opcode. + * section.c (SEC_INFO_TYPE_EH_FRAME_ENTRY): Add definition. + 2015-05-27 H.J. Lu <hongjiu.lu@intel.com> PR binutils/18458 @@ -229,6 +290,77 @@ * elf64-ppc.c (TOC_BASE_ALIGN): Define. (ppc64_elf_next_toc_section): Align multi-got toc base. (ppc64_elf_set_toc): Likewise initial toc base and .TOC. symbol. +======= +2015-05-04 Catherine Moore <clm@codesourcery.com> + + * elfxx-target.h: Add missing #endif. + +2015-04-22 Catherine Moore <clm@codesourcery.com> + + * elf-eh-frame.c (_bfd_elf_write_section_eh_frame_entry): Don't write + the .eh_frame_entry section if the corresponding text section is marked + with SEC_EXCLUDE. + +2015-04-22 Catherine Moore <clm@codesourcery.com> + Bernd Schmidt <bernds@codesourcery.com> + Paul Brook <paul@codesourcery.com> + + * bfd-in2.h (SEC_INFO_TYPE_EH_FRAME_ENTRY): Define. + * elf-bfd.h (DWARF2_EH_HDR, COMPACT_EH_HDR): Define. + (COMPACT_EH_CANT_UNWIND_OPCODE): Define. + (dwarf_eh_frame_hdr_info): New struct. + (compact_eh_frame_hdr_info): New struct. + (eh_frame_hdr_info): Separate dwarf and compact fields. + (elf_backend_data): Add compact_eh_encoding and cant_unwind_opcode + fields. + (bfd_elf_section_data): Add eh_frame_entry field. + (elf_section_eh_frame_entry): Define. + (bfd_elf_parse_eh_frame_entries): Declare. + (_bfd_elf_parse_eh_frame_entry): Declare. + (_bfd_elf_end_eh_frame_parsing): Declare. + (_bfd_elf_write_section_eh_frame_entry): Declare. + (_bfd_elf_fixup_eh_frame_hdr): Declare. + (_bfd_elf_eh_frame_entry_present): Declare. + (_bfd_elf_section_for_symbol): Declare. + * elf-eh-frame.c (bfd_elf_discard_eh_frame_entry): New function. + (bfd_elf_record_eh_frame_entry): New function. + (_bfd_elf_parse_eh_frame_entry): New function. + (_bfd_elf_parse_eh_frame): Update hdr_info field references. + (cmp_eh_frame_hdr): New function. + (add_eh_frame_hdr_terminator): New function. + (_bfd_elf_end_eh_frame_parsing): New function. + (find_merged_cie): Update hdr_info field references. + (_bfd_elf_discard_section_eh_frame): Likewise. + (_bfd_elf_discard_section_eh_frame_hdr): Likewise. + Add Compact EH support. + (_bfd_elf_eh_frame_entry_present): New function. + (_bfd_elf_maybe_strip_eh_frame_hdr): Add Compact EH support. + (_bfd_elf_write_section_eh_frame_entry): New function. + (_bfd_elf_write_section_eh_frame): Update hdr_info field references. + (_bfd_elf_write_section_eh_frame): Likewise. + (_bfd_elf_fixup_eh_frame_hdr): New function. + (write_compact_eh_frame_hdr): New function. + (_bfd_elf_write_section_eh_frame_hdr): Compact EH support. Update + hdr_info field references. + * elflink.c (_bfd_elf_section_for_symbol): New function. + (elf_section_ignore_discarded_relocs, elf_link_input_bfd): + Handle SEC_INFO_TYPE_EH_FRAME_ENTRY. + (bfd_elf_final_link): Call _bfd_elf_fixup_eh_frame_hdr. + (_bfd_elf_gc_mark): Support Compact EH. + (bfd_elf_parse_eh_frame_entries): New function. + (bfd_elf_gc_sections): Support Compact EH. + (bfd_elf_discard_info): Likewise. + * elfxx-mips.c (_bfd_mips_elf_compact_eh_encoding): New function. + (_bfd_mips_elf_cant_unwind_opcode): New function. + * elfxx-mips.h (_bfd_mips_elf_compact_eh_encoding): Declare. + (_bfd_mips_elf_cant_unwind_opcode): Declare. + (elf_backend_compact_eh_encoding): Define. + (elf_backend_cant_unwind_opcode): Define. + * elfxx-target.h (elf_backend_compact_eh_encoding): + Provide default definition. + (elf_backend_cant_unwind_opcode): Provide default definition. + * section.c (SEC_INFO_TYPE_EH_FRAME_ENTRY): Define. +>>>>>>> 2015-05-04 Catherine Moore <clm@codesourcery.com> 2015-04-22 H.J. Lu <hongjiu.lu@intel.com> |