diff options
Diffstat (limited to 'lib/Target/X86/Disassembler')
| -rw-r--r-- | lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 3 | ||||
| -rw-r--r-- | lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index db694bc..d6f48b7 100644 --- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -1277,6 +1277,9 @@ static int readOperands(struct InternalInstruction* insn) { case ENCODING_IB: if (readImmediate(insn, 1)) return -1; + if (insn->spec->operands[index].type == TYPE_IMM3 && + insn->immediates[insn->numImmediatesConsumed - 1] > 7) + return -1; break; case ENCODING_IW: if (readImmediate(insn, 2)) diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h b/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h index c213f89..4a7cd57 100644 --- a/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h +++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h @@ -236,6 +236,7 @@ struct ContextDecision { ENUM_ENTRY(TYPE_IMM16, "2-byte") \ ENUM_ENTRY(TYPE_IMM32, "4-byte") \ ENUM_ENTRY(TYPE_IMM64, "8-byte") \ + ENUM_ENTRY(TYPE_IMM3, "1-byte immediate operand between 0 and 7") \ ENUM_ENTRY(TYPE_RM8, "1-byte register or memory operand") \ ENUM_ENTRY(TYPE_RM16, "2-byte") \ ENUM_ENTRY(TYPE_RM32, "4-byte") \ |