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[BINUTILS, AARCH64, 1/8] Add support for Memory Tagging Extension for ARMv8.5-A

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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.
This commit is contained in:
Sudakshina Das
2018-11-12 12:45:30 +00:00
parent d1b603a74e
commit 73b605ec3f
7 changed files with 26 additions and 0 deletions
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2
include/opcode/aarch64.h
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@ -84,6 +84,8 @@ typedef uint32_t aarch64_insn;
#define AARCH64_FEATURE_ID_PFR2 0x400000000000ULL
/* SSBS mechanism enabled. */
#define AARCH64_FEATURE_SSBS 0x800000000000ULL
/* Memory Tagging Extension. */
#define AARCH64_FEATURE_MEMTAG 0x1000000000000ULL
/* Architectures are the sum of the base and extensions. */