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Fix up r137380 based on post-commit review by Jim Grosbach.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138948 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
James Molloy 2011-09-01 18:02:14 +00:00
parent 7f17b5a483
commit c047dcade5
4 changed files with 627 additions and 612 deletions
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29
lib/MC/MCDisassembler/Disassembler.cpp
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@ -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;
case MCDisassembler::Success: {
SmallVector<char, 64> InsnStr;
raw_svector_ostream OS(InsnStr);
IP->printInst(&Inst, OS);
OS.flush();
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.
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;
return Size;
}
}
}

18
lib/MC/MCDisassembler/EDDisassembler.cpp
View File

@ -239,14 +239,19 @@ EDInst *EDDisassembler::createInst(EDByteReaderCallback byteReader,
MCInst* inst = new MCInst;
uint64_t byteSize;
if (!Disassembler->getInstruction(*inst,
byteSize,
memoryObject,
address,
ErrorStream)) {
MCDisassembler::DecodeStatus S;
S = Disassembler->getInstruction(*inst,
byteSize,
memoryObject,
address,
ErrorStream);
switch (S) {
case MCDisassembler::Fail:
case MCDisassembler::SoftFail:
// FIXME: Do something different on soft failure mode?
delete inst;
return NULL;
} else {
case MCDisassembler::Success: {
const llvm::EDInstInfo *thisInstInfo = NULL;
if (InstInfos) {
@ -256,6 +261,7 @@ EDInst *EDDisassembler::createInst(EDByteReaderCallback byteReader,
EDInst* sdInst = new EDInst(inst, byteSize, *this, thisInstInfo);
return sdInst;
}
}
}
void EDDisassembler::initMaps(const MCRegisterInfo &registerInfo) {

1186
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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File diff suppressed because it is too large Load Diff

6
utils/TableGen/DisassemblerEmitter.cpp
View File

@ -132,9 +132,9 @@ void DisassemblerEmitter::run(raw_ostream &OS) {
if (Target.getName() == "ARM" ||
Target.getName() == "Thumb") {
FixedLenDecoderEmitter(Records,
"CHECK(S, ", ");",
"S", "Fail",
"DecodeStatus S = Success;\n(void)S;").run(OS);
"if (!Check(S, ", ")) return MCDisassembler::Fail;",
"S", "MCDisassembler::Fail",
"MCDisassembler::DecodeStatus S = MCDisassembler::Success;\n(void)S;").run(OS);
return;
}