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Diffstat (limited to 'lib/MC/MCDisassembler/Disassembler.cpp')
-rw-r--r--lib/MC/MCDisassembler/Disassembler.cpp33
1 files changed, 20 insertions, 13 deletions
diff --git a/lib/MC/MCDisassembler/Disassembler.cpp b/lib/MC/MCDisassembler/Disassembler.cpp
index e8aeab0d83..6ff1a2bafa 100644
--- a/lib/MC/MCDisassembler/Disassembler.cpp
+++ b/lib/MC/MCDisassembler/Disassembler.cpp
@@ -135,18 +135,25 @@ size_t LLVMDisasmInstruction(LLVMDisasmContextRef DCR, uint8_t *Bytes,
MCInst Inst;
const MCDisassembler *DisAsm = DC->getDisAsm();
MCInstPrinter *IP = DC->getIP();
- if (!DisAsm->getInstruction(Inst, Size, MemoryObject, PC, /*REMOVE*/ nulls()))
+ MCDisassembler::DecodeStatus S;
+ S = DisAsm->getInstruction(Inst, Size, MemoryObject, PC, /*REMOVE*/ nulls());
+ switch (S) {
+ case MCDisassembler::Fail:
+ case MCDisassembler::SoftFail:
+ // FIXME: Do something different for soft failure modes?
return 0;
-
- SmallVector<char, 64> InsnStr;
- raw_svector_ostream OS(InsnStr);
- IP->printInst(&Inst, OS);
- OS.flush();
-
- assert(OutStringSize != 0 && "Output buffer cannot be zero size");
- size_t OutputSize = std::min(OutStringSize-1, InsnStr.size());
- std::memcpy(OutString, InsnStr.data(), OutputSize);
- OutString[OutputSize] = '\0'; // Terminate string.
-
- return Size;
+ case MCDisassembler::Success: {
+ SmallVector<char, 64> InsnStr;
+ raw_svector_ostream OS(InsnStr);
+ IP->printInst(&Inst, OS);
+ OS.flush();
+
+ assert(OutStringSize != 0 && "Output buffer cannot be zero size");
+ size_t OutputSize = std::min(OutStringSize-1, InsnStr.size());
+ std::memcpy(OutString, InsnStr.data(), OutputSize);
+ OutString[OutputSize] = '\0'; // Terminate string.
+
+ return Size;
+ }
+ }
}