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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
..
aarch64elf.em [AArch64] Workaround for Cortex A53 erratum 843419 2015-04-01 13:16:38 +01:00
aix.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
alphaelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
armcoff.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
armelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
astring.sed
avrelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
beos.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
bfin.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
cr16elf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
crxelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
elf-generic.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
elf32.em Compact EH Support 2015-05-28 15:21:17 -07:00
epiphanyelf_4x4.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
genelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
generic.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
gld960.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
gld960c.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
hppaelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ia64elf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
irix.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
linux.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
lnk960.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
m68hc1xelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
m68kcoff.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
m68kelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
metagelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
mipself.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
mmix-elfnmmo.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
mmixelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
mmo.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
msp430.em Add support to the MSP430 linker for the automatic placement of code and data into either low or high memory regions. 2015-05-05 13:38:00 +01:00
nds32elf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
needrelax.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
netbsd.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
nios2elf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ostring.sed
pe.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
pep.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ppc32elf.em PowerPC non-PIC to PIC editing for protected var access 2015-04-07 23:00:07 +09:30
ppc64elf.em Non-alloc sections don't belong in PT_LOAD segments 2015-04-25 09:15:49 +09:30
README ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
rxelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
scoreelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
sh64elf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
solaris2.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
spu_icache.o_c Regenerate spu overlay and icache manager files 2014-11-04 22:36:13 +10:30
spu_icache.S
spu_ovl.o_c Regenerate spu overlay and icache manager files 2014-11-04 22:36:13 +10:30
spu_ovl.S ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
spuelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
sunos.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
tic6xdsbt.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
ticoff.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
v850elf.em Adds support for generating notes in V850 binaries. 2015-02-24 17:54:09 +00:00
vanilla.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
vms.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
vxworks.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
xtensaelf.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
z80.em ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30

README

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The files in this directory are sourced by genscripts.sh, after
setting some variables to substitute in, to produce
C source files that contain jump tables for each emulation.

Copyright (C) 2012-2015 Free Software Foundation, Inc.

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are permitted in any medium without royalty provided the copyright
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