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| author | Jiong Wang <jiong.wang@arm.com> | 2014-10-24 11:39:35 +0100 |
|---|---|---|
| committer | Jiong Wang <jiong.wang@arm.com> | 2014-10-24 11:39:35 +0100 |
| commit | 68fcca92b735bb46e38331485ac2e933e5876b83 (patch) | |
| tree | 586a3f1bf8c983437c2f084e078cd6402a930e7c /ld/ld.texinfo | |
| parent | 79ccd89e582a1159a503813be020d044e070d53f (diff) | |
| download | gdb-68fcca92b735bb46e38331485ac2e933e5876b83.zip gdb-68fcca92b735bb46e38331485ac2e933e5876b83.tar.gz gdb-68fcca92b735bb46e38331485ac2e933e5876b83.tar.bz2 | |
[AArch64] Cortex-A53 erratum 835769 linker workaround
2014-10-22 Tejas Belagod <tejas.belagod@arm.com>
bfd/
* bfd-in.h (bfd_elf64_aarch64_set_options): Add a parameter.
* bfd-in2.h (bfd_elf64_aarch64_set_options): Likewise.
* elfnn-aarch64.c (aarch64_erratum_835769_stub): New.
(elf_aarch64_stub_type): Add new type
aarch64_stub_erratum_835769_veneer.
(elf_aarch64_stub_hash_entry): New fields for erratum 835769.
(aarch64_erratum_835769_fix): New data struct to record erratum
835769.
(elf_aarch64_link_hash_table: Global flags for 835769.
(aarch64_build_one_stub): Add case for 835769.
(aarch64_size_one_stub): Likewise.
(aarch64_mem_op_p, aarch64_mlxl_p,
aarch64_erratum_sequence,erratum_835769_scan):
New. Decode and scan functions for erratum 835769.
(elf_aarch64_create_or_find_stub_sec): New.
(elfNN_aarch64_size_stubs): Look for erratum 835769 and record
them.
(bfd_elfNN_aarch64_set_options: Set global flag for 835769.
(erratum_835769_branch_to_stub_data,
make_branch_to_erratum_835769_stub):New. Connect up all the
erratum stubs to occurances by branches.
(elfNN_aarch64_write_section): New hook.
(aarch64_map_one_stub): Output erratum stub symbol.
(elfNN_aarch64_size_dynamic_sections): Init mapping symbol
information for erratum 835769.
(elf_backend_write_section): Define.
ld/
* emultempl/aarch64elf.em: Add command-line option for erratum
835769.
ld/testsuite/
* ld-aarch64/aarch64-elf.exp (aarch64elftests): Drive erratum
835769 tests.
* ld-aarch64/erratum835769.d: New.
* ld-aarch64/erratum835769.s: New.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 8eb7ba3..3001bf1 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -6570,6 +6570,13 @@ The @samp{--fix-cortex-a8} switch enables a link-time workaround for an erratum The erratum only affects Thumb-2 code. Please contact ARM for further details. +@cindex Cortex-A53 erratum 835769 workaround +@kindex --fix-cortex-a53-835769 +@kindex --no-fix-cortex-a53-835769 +The @samp{--fix-cortex-a53-835769} switch enables a link-time workaround for erratum 835769 present on certain early revisions of Cortex-A53 processors. The workaround is disabled by default. It can be enabled by specifying @samp{--fix-cortex-a53-835769}, or disabled unconditionally by specifying @samp{--no-fix-cortex-a53-835769}. + +Please contact ARM for further details. + @kindex --merge-exidx-entries @kindex --no-merge-exidx-entries @cindex Merging exidx entries |