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| author | Paul Brook <paul@codesourcery.com> | 2008-02-20 15:17:56 +0000 |
|---|---|---|
| committer | Paul Brook <paul@codesourcery.com> | 2008-02-20 15:17:56 +0000 |
| commit | 845b51d665a3e63aa3a830d1cda6c4803fd35484 (patch) | |
| tree | 1c85c13fa283997ffca62a41a41a73adf7c8a2c5 /gas/doc | |
| parent | 40887e1a6e8bc0dfb421662f40c1a2c356c8b36d (diff) | |
| download | gdb-845b51d665a3e63aa3a830d1cda6c4803fd35484.zip gdb-845b51d665a3e63aa3a830d1cda6c4803fd35484.tar.gz gdb-845b51d665a3e63aa3a830d1cda6c4803fd35484.tar.bz2 | |
2008-02-20 Paul Brook <paul@codesourcery.com>
ld/
* emultempl/armelf.em (OPTION_FIX_V4BX_INTERWORKING): Define.
(PARSE_AND_LIST_LONGOPTS): Add fix-v4bx-interworking.
(PARSE_AND_LIST_OPTIONS): Ditto.
(PARSE_AND_LIST_ARGS_CASES): Handle OPTION_FIX_V4BX_INTERWORKING.
* emulparams/armelf.sh (OTHER_TEXT_SECTIONS): Add .v4_bx.
* emulparams/armelf_linux.sh (OTHER_TEXT_SECTIONS): Ditto.
* emulparams/armnto.sh (OTHER_TEXT_SECTIONS): Ditto.
* ld.texinfo: Document --fix-v4bx-interworking.
ld/testsuite/
* ld-arm/armv4-bx.d: New test.
* ld-arm/armv4-bx.s: New test.
* ld-arm/arm.ld: Add .v4bx.
* ld-arm/arm-elf.exp: Add armv4-bx.
gas/testsuite/
* gas/arm/thumb.d: Exclude EABI targets.
* gas/arm/arch4t.d: Exclude EABI targts.
* gas/arm/v4bx.d: New test.
* gas/arm/v4bx.s: New test.
* gas/arm/thumb-eabi.d: New test.
* gas/arm/arch4t-eabi.d: New test.
gas/
* config/tc-arm.c (fix_v4bx): New variable.
(do_bx): Generate V4BX relocations.
(md_assemble): Allow bx on v4 codes when fix_v4bx.
(md_apply_fix): Handle BFD_RELOC_ARM_V4BX.
(tc_gen_reloc): Ditto.
(OPTION_FIX_V4BX): Define.
(md_longopts): Add fix-v4bx.
(md_parse_option): Handle OPTION_FIX_V4BX.
(md_show_usage): Document --fix-v4bx.
* doc/c-arm.texi: Document --fix-v4bx.
bfd/
* reloc.c: Add BFD_RELOC_ARM_V4BX.
* elf32-arm.c (elf32_arm_reloc_map): Add BFD_RELOC_ARM_V4BX.
(ARM_BX_GLUE_SECTION_NAME, ARM_BX_GLUE_SECTION_NAME): Define.
(elf32_arm_link_hash_table): Add bx_glue_size and bx_glue_offset.
Update comment for fix_v4bx.
(elf32_arm_link_hash_table_create): Zero bx_glue_size and
bx_glue_offset.
(ARM_BX_VENEER_SIZE, armbx1_tst_insn, armbx2_moveq_insn,
armbx3_bx_insn): New.
(bfd_elf32_arm_allocate_interworking_sections): Allocate BX veneer
section.
(bfd_elf32_arm_add_glue_sections_to_bfd): Ditto.
(bfd_elf32_arm_process_before_allocation): Record BX veneers.
(record_arm_bx_glue, elf32_arm_bx_glue): New functions.
(elf32_arm_final_link_relocate): Handle BX veneers.
(elf32_arm_output_arch_local_syms): Output mapping symbol for .v4_bx.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-arm.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi index 404c8ef..ef5dcc0 100644 --- a/gas/doc/c-arm.texi +++ b/gas/doc/c-arm.texi @@ -276,6 +276,11 @@ be marked as being encoded for a little-endian processor. This option specifies that the output of the assembler should be marked as position-independent code (PIC). +@cindex @code{--fix-v4bx} command line option, ARM +@item --fix-v4bx +Allow @code{BX} instructions in ARMv4 code. This is intended for use with +the linker option of the same name. + @end table |