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| author | Igor Tsimbalist <igor.v.tsimbalist@intel.com> | 2018-01-17 19:45:52 +0300 |
|---|---|---|
| committer | Igor Tsimbalist <igor.v.tsimbalist@intel.com> | 2018-01-17 19:48:28 +0300 |
| commit | d777820bf5abea433c36e956b53b299502e0f708 (patch) | |
| tree | 16f28c3084e70a09de9fae5527b26d06a4a761fa /gas/config | |
| parent | 4bfce1283654832d83a01b700e61518233c8bbda (diff) | |
| download | gdb-d777820bf5abea433c36e956b53b299502e0f708.zip gdb-d777820bf5abea433c36e956b53b299502e0f708.tar.gz gdb-d777820bf5abea433c36e956b53b299502e0f708.tar.bz2 | |
Replace CET bit with IBT and SHSTK bits.
The latest specification for Intel CET technology defined two
new bits instead of previously used CET bit. These are IBT and
SHSTK bits. The patch replaces CET bit with IBT and SHSTK bits.
gas/
* config/tc-i386.c (cpu_arch): Delete .cet. Add .ibt, .shstk.
(cpu_noarch): Add noibt, noshstk.
(parse_insn): Change cpucet to cpuibt.
* doc/c-i386.texi: Delete .cet. Add .ibt, .shstk.
* testsuite/gas/i386/cet-ibt-inval.l: New test.
* testsuite/gas/i386/cet-ibt-inval.s: Likewise.
* testsuite/gas/i386/cet-shstk-inval.l: Likewise.
* testsuite/gas/i386/cet-shstk-inval.s: Likewise.
* testsuite/gas/i386/x86-64-cet-ibt-inval.l: Likewise.
* testsuite/gas/i386/x86-64-cet-ibt-inval.s: Likewise.
* testsuite/gas/i386/x86-64-cet-shstk-inval.l: Likewise.
* testsuite/gas/i386/x86-64-cet-shstk-inval.s: Likewise.
opcodes/
* i386-gen.c (cpu_flag_init): Delete CPU_CET_FLAGS,
CpuCET. Add CPU_IBT_FLAGS, CPU_SHSTK_FLAGS, CPY_ANY_IBT_FLAGS,
CPU_ANY_SHSTK_FLAGS, CpuIBT, CpuSHSTK.
(cpu_flags): Add CpuIBT, CpuSHSTK.
* i386-opc.h (enum): Add CpuIBT, CpuSHSTK.
(i386_cpu_flags): Add cpuibt, cpushstk.
* i386-opc.tbl: Change CpuCET to CpuSHSTK and CpuIBT.
* i386-init.h: Regenerate.
* i386-tbl.h: Likewise.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 5cd83da..cd69321 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -997,8 +997,10 @@ static const arch_entry cpu_arch[] = CPU_RDPID_FLAGS, 0 }, { STRING_COMMA_LEN (".ptwrite"), PROCESSOR_UNKNOWN, CPU_PTWRITE_FLAGS, 0 }, - { STRING_COMMA_LEN (".cet"), PROCESSOR_UNKNOWN, - CPU_CET_FLAGS, 0 }, + { STRING_COMMA_LEN (".ibt"), PROCESSOR_UNKNOWN, + CPU_IBT_FLAGS, 0 }, + { STRING_COMMA_LEN (".shstk"), PROCESSOR_UNKNOWN, + CPU_SHSTK_FLAGS, 0 }, { STRING_COMMA_LEN (".gfni"), PROCESSOR_UNKNOWN, CPU_GFNI_FLAGS, 0 }, { STRING_COMMA_LEN (".vaes"), PROCESSOR_UNKNOWN, @@ -1038,6 +1040,8 @@ static const noarch_entry cpu_noarch[] = { STRING_COMMA_LEN ("noavx512_vbmi2"), CPU_ANY_AVX512_VBMI2_FLAGS }, { STRING_COMMA_LEN ("noavx512_vnni"), CPU_ANY_AVX512_VNNI_FLAGS }, { STRING_COMMA_LEN ("noavx512_bitalg"), CPU_ANY_AVX512_BITALG_FLAGS }, + { STRING_COMMA_LEN ("noibt"), CPU_ANY_IBT_FLAGS }, + { STRING_COMMA_LEN ("noshstk"), CPU_ANY_SHSTK_FLAGS }, }; #ifdef I386COFF @@ -4048,7 +4052,7 @@ parse_insn (char *line, char *mnemonic) case PREFIX_EXIST: return NULL; case PREFIX_DS: - if (current_templates->start->cpu_flags.bitfield.cpucet) + if (current_templates->start->cpu_flags.bitfield.cpuibt) i.notrack_prefix = current_templates->start->name; break; case PREFIX_REP: |