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| author | Matthew Gretton-Dann <matthew.gretton-dann@arm.com> | 2011-08-09 13:10:44 +0000 |
|---|---|---|
| committer | Matthew Gretton-Dann <matthew.gretton-dann@arm.com> | 2011-08-09 13:10:44 +0000 |
| commit | 2de70689ff968c2f5ea1056efd67e7b465c47038 (patch) | |
| tree | 55de7248d73b2effa0c307b089051ac36a2775e7 /ld/ld.texinfo | |
| parent | 94b71ccaca00091a728813bad291a6c787aea044 (diff) | |
| download | gdb-2de70689ff968c2f5ea1056efd67e7b465c47038.zip gdb-2de70689ff968c2f5ea1056efd67e7b465c47038.tar.gz gdb-2de70689ff968c2f5ea1056efd67e7b465c47038.tar.bz2 | |
* bfd/bfd-in.h (bfd_elf32_arm_set_target_relocs): Update prototype.
* bfd/bfd-in2.h (bfd_elf32_arm_set_target_relocs): Likewise.
* bfd/elf32-arm.c (elf32_arm_link_hash_table): New field.
(elf232_arm_link_hash_table_create): Initialise new field.
(check_use_blx): Change test depending on fix_arm1176.
(bfd_elf32_arm_set_target_relocs): Set fix_arm1176 from
command line options.
* ld/emultempl/armelf.em (fix_arm1176): New variable.
(arm_elf_create_output_section_statements): Pass
fix_arm1176 option to bfd backend.
(OPTION_FIX_ARM1176): New define.
(OPTION_NO_FIX_ARM1176): Likewise.
(PARSE_AND_LIST_LONGOPTS): Add new command line options.
(PARSE_AND_LIST_OPTIONS): Likewise.
(PARSE_AND_LIST_ARGS_CASES): Likewise.
* ld/ld.texinfo: Document new command line options.
* ld/testsuite/ld-arm/arm-elf.exp (armelftests): Update for new command-line
options.
(armeabitests): Update for new command-line options, and add
new test cases.
* ld/testsuite/ld-arm/fix-arm1176.s: Add test case.
* ld/testsuite/ld-arm/fix-arm1176-off.d: Likewise.
* ld/testsuite/ld-arm/fix-arm1176-on.d: Likewise.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 7547c0a5..94079e2 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -6321,6 +6321,18 @@ instruction. The original instruction is then replaced with a branch to the veneer. The extra cycles required to call and return from the veneer are sufficient to avoid the erratum in both the scalar and vector cases. +@cindex ARM1176 erratum workaround +@kindex --fix-arm1176 +@kindex --no-fix-arm1176 +The @samp{--fix-arm1176} switch enables a link-time workaround for an erratum +in certain ARM1176 processors. The workaround is enabled by default if you +are targetting ARM v6 (excluding ARM v6T2) or earlier. It can be disabled +unconditionally by specifying @samp{--no-fix-arm1176}. + +Further information is available in the ``ARM1176JZ-S and ARM1176JZF-S +Programmer Advice Notice'' available on the ARM documentaion website at: +http://infocenter.arm.com/. + @cindex NO_ENUM_SIZE_WARNING @kindex --no-enum-size-warning The @option{--no-enum-size-warning} switch prevents the linker from |