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zydis
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Fixed segment-register for XOP/VEX/EVEX/MVEX instructions

This commit is contained in:
flobernd 2017-06-24 03:29:35 +02:00
parent 7d77e0747f
commit 3a346b5e9d
1 changed files with 26 additions and 0 deletions
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26
src/Decoder.c
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@ -2249,6 +2249,32 @@ static void ZydisSetPrefixRelatedAttributes(ZydisDecoderContext* context,
case ZYDIS_INSTRUCTION_ENCODING_VEX: case ZYDIS_INSTRUCTION_ENCODING_VEX:
case ZYDIS_INSTRUCTION_ENCODING_EVEX: case ZYDIS_INSTRUCTION_ENCODING_EVEX:
case ZYDIS_INSTRUCTION_ENCODING_MVEX: case ZYDIS_INSTRUCTION_ENCODING_MVEX:
if (context->lastSegmentPrefix)
{
switch (context->lastSegmentPrefix)
{
case 0x2E:
info->attributes |= ZYDIS_ATTRIB_HAS_SEGMENT_CS;
break;
case 0x36:
info->attributes |= ZYDIS_ATTRIB_HAS_SEGMENT_SS;
break;
case 0x3E:
info->attributes |= ZYDIS_ATTRIB_HAS_SEGMENT_DS;
break;
case 0x26:
info->attributes |= ZYDIS_ATTRIB_HAS_SEGMENT_ES;
break;
case 0x64:
info->attributes |= ZYDIS_ATTRIB_HAS_SEGMENT_FS;
break;
case 0x65:
info->attributes |= ZYDIS_ATTRIB_HAS_SEGMENT_GS;
break;
default:
ZYDIS_UNREACHABLE;
}
}
break; break;
default: default:
ZYDIS_UNREACHABLE; ZYDIS_UNREACHABLE;