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Catherine Moore 2f0c68f23b 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.
2015-05-28 15:21:17 -07:00
..
aout ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
cgen ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
coff Fixes a buffer overflow when compiling assembler for the MinGW targets. 2015-01-06 16:46:40 +00:00
elf [AArch64] Add R_AARCH64_P32_LD32_GOTPAGE_LO14 to elf header 2015-05-12 13:47:15 +01:00
gdb sim: ft32: new port 2015-03-28 02:12:33 -04:00
mach-o ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
nlm ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
opcode Make RL78 disassembler and simulator respect ISA for mul/div 2015-04-30 15:25:49 -04:00
som ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
vms ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
alloca-conf.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ansidecl.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
bfdlink.h Compact EH Support 2015-05-28 15:21:17 -07:00
binary-io.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
bout.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ChangeLog Compact EH Support 2015-05-28 15:21:17 -07:00
ChangeLog-9103 Add copyright notices 2012-12-10 12:48:03 +00:00
COPYING
COPYING3
demangle.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
dis-asm.h Make RL78 disassembler and simulator respect ISA for mul/div 2015-04-30 15:25:49 -04:00
dwarf2.def GCC5/DWARFv5 Handle DW_TAG_atomic_type for C11 _Atomic type qualifier. 2015-02-09 15:09:22 +01:00
dwarf2.h Recognize new DWARF5/GCC5 DW_LANG constants for Fortran 03 and Fortran 08. 2015-02-10 09:07:25 +01:00
dyn-string.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
fibheap.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
filenames.h Sync filenames.h with gcc 2015-05-01 09:11:15 -07:00
floatformat.h floatformat.h: Wrap in extern "C" 2015-02-19 22:44:44 +00:00
fnmatch.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
fopen-bin.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
fopen-same.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
fopen-vms.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
gcc-c-fe.def ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
gcc-c-interface.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
gcc-interface.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
getopt.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
hashtab.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
hp-symtab.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ieee.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
leb128.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
libiberty.h Merge include/libiberty.h from GCC 2015-01-14 22:15:02 +01:00
longlong.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
lto-symtab.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
MAINTAINERS ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
md5.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
oasys.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
objalloc.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
obstack.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
os9k.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
partition.h Merge include/partition.h from GCC. 2015-04-17 16:13:43 +01:00
plugin-api.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
progress.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
safe-ctype.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
sha1.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
simple-object.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
sort.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
splay-tree.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
symcat.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
timeval-utils.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
vtv-change-permission.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
xregex.h merge from gcc 2011-07-25 17:11:48 +00:00
xregex2.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
xtensa-config.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
xtensa-isa-internal.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
xtensa-isa.h ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30