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| author | Sudakshina Das <sudi.das@arm.com> | 2018-11-12 12:45:30 +0000 |
|---|---|---|
| committer | Sudakshina Das <sudi.das@arm.com> | 2018-11-12 12:45:30 +0000 |
| commit | 73b605ec3f546ff5a1c343ae02e6322aaa451bcf (patch) | |
| tree | bfb2b84b65a1814f00388c9654627aba9587b1ff /gas | |
| parent | d1b603a74e3a06da231727eb88947666e1885196 (diff) | |
| download | binutils-gdb-73b605ec3f546ff5a1c343ae02e6322aaa451bcf.tar.gz | |
[BINUTILS, AARCH64, 1/8] Add support for Memory Tagging Extension for ARMv8.5-A
This patch is part of the patch series to add support for ARMv8.5-A
Memory Tagging Extensions. Memory Tagging Extension is an optional extension to
ARMv8.5-A and is enabled using the +memtag command line option.
This patch adds the new command line option and the new feature macros.
*** include/ChangeLog ***
2018-11-12 Sudakshina Das <sudi.das@arm.com>
* opcode/aarch64.h (AARCH64_FEATURE_MEMTAG): New.
*** opcodes/ChangeLog ***
2018-11-12 Sudakshina Das <sudi.das@arm.com>
* aarch64-tbl.h (aarch64_feature_memtag): New.
(MEMTAG, MEMTAG_INSN): New.
*** gas/ChangeLog ***
2018-11-12 Sudakshina Das <sudi.das@arm.com>
* config/tc-aarch64.c (aarch64_features): Add "memtag"
as a new option.
* doc/c-aarch64.texi: Document the same.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 6 | ||||
| -rw-r--r-- | gas/config/tc-aarch64.c | 2 | ||||
| -rw-r--r-- | gas/doc/c-aarch64.texi | 2 |
3 files changed, 10 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index aafc95cb807..2986f0d2369 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2018-11-12 Sudakshina Das <sudi.das@arm.com> + + * config/tc-aarch64.c (aarch64_features): Add "memtag" + as a new option. + * doc/c-aarch64.texi: Document the same. + 2018-11-09 Alan Modra <amodra@gmail.com> * config/tc-ppc.c (fixup_size): New function. diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 4ae27f76ed9..b9aceb2f0f5 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -8829,6 +8829,8 @@ static const struct aarch64_option_cpu_value_table aarch64_features[] = { AARCH64_ARCH_NONE}, {"ssbs", AARCH64_FEATURE (AARCH64_FEATURE_SSBS, 0), AARCH64_ARCH_NONE}, + {"memtag", AARCH64_FEATURE (AARCH64_FEATURE_MEMTAG, 0), + AARCH64_ARCH_NONE}, {NULL, AARCH64_ARCH_NONE, AARCH64_ARCH_NONE}, }; diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi index 4941c57c481..f38fdf591a2 100644 --- a/gas/doc/c-aarch64.texi +++ b/gas/doc/c-aarch64.texi @@ -189,6 +189,8 @@ automatically cause those extensions to be disabled. @tab Enable ARMv8.5-A random number instructions. @item @code{ssbs} @tab ARMv8-A @tab ARMv8.5-A or later @tab Enable Speculative Store Bypassing Safe state read and write. +@item @code{memtag} @tab ARMv8.5-A @tab No + @tab Enable ARMv8.5-A Memory Tagging Extensions. @end multitable @node AArch64 Syntax |