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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-01-06 16:48:42 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-01-06 16:48:42 +0000 |
| commit | 2f867a63daf99dc27830d4442a574a790e02f27e (patch) | |
| tree | 5cf0150904f469dcf298e37775f2d0762dd608e4 /lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | |
| parent | 8143a84c46b8d2fb58eddb46d84dd5d44d03cb6c (diff) | |
Correctly disassemble truncated asm.
Patch by Richard Simth.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122962 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/Disassembler/X86DisassemblerDecoder.c')
| -rw-r--r-- | lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index 1fd66853f7..0af510c4ce 100644 --- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -511,7 +511,8 @@ static int getIDWithAttrMask(uint16_t* instructionID, insn->opcode); if (hasModRMExtension) { - readModRM(insn); + if (readModRM(insn)) + return -1; *instructionID = decode(insn->opcodeType, instructionClass, @@ -860,7 +861,8 @@ static int readModRM(struct InternalInstruction* insn) { if (insn->consumedModRM) return 0; - consumeByte(insn, &insn->modRM); + if (consumeByte(insn, &insn->modRM)) + return -1; insn->consumedModRM = TRUE; mod = modFromModRM(insn->modRM); |