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| author | Sean Callanan <scallanan@apple.com> | 2011-02-02 01:09:02 +0000 |
|---|---|---|
| committer | Sean Callanan <scallanan@apple.com> | 2011-02-02 01:09:02 +0000 |
| commit | 1e1901a2945182b9c53f2ed5c2bd471cebfdf29b (patch) | |
| tree | 607175e850df311d6de006194fc291a58de3ee79 /lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | |
| parent | 31959b19a72608051888160514977875a8027dfc (diff) | |
Fixed a bug in the disassembler where the mandatory 0x66
prefix would be misinterpreted in some cases on 32-bit
x86 platforms. Thanks to Olivier Meurant for identifying
the bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124709 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/Disassembler/X86DisassemblerDecoder.c')
| -rw-r--r-- | lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index 7b17f1e5a3..b6546fc9e8 100644 --- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -388,6 +388,7 @@ static int readPrefixes(struct InternalInstruction* insn) { } } else { unconsumeByte(insn); + insn->necessaryPrefixLocation = insn->readerCursor - 1; } if (insn->mode == MODE_16BIT) { |