本文整理汇总了C++中OwningPtr::EmitInstruction方法的典型用法代码示例。如果您正苦于以下问题：C++ OwningPtr::EmitInstruction方法的具体用法？C++ OwningPtr::EmitInstruction怎么用？C++ OwningPtr::EmitInstruction使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OwningPtr的用法示例。
在下文中一共展示了OwningPtr::EmitInstruction方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: jl_dump_function_asm
//.........这里部分代码省略.........
#endif
}
}
#else
// Set up the line info
LInfoVec::iterator lineIter = lineinfo.begin();
LInfoVec::iterator lineEnd = lineinfo.end();
if (lineIter != lineEnd) {
nextLineAddr = (*lineIter).Address;
DISubprogram debugscope = DISubprogram((*lineIter).Loc.getScope(jl_LLVMContext));
if (pass != 0) {
stream << "Filename: " << debugscope.getFilename() << "\n";
stream << "Source line: " << (*lineIter).Loc.getLine() << "\n";
}
}
#endif
uint64_t Index = 0;
uint64_t absAddr = 0;
uint64_t insSize = 0;
// Do the disassembly
for (Index = 0, absAddr = (uint64_t)Fptr;
Index < Fsize; Index += insSize, absAddr += insSize) {
if (nextLineAddr != (uint64_t)-1 && absAddr == nextLineAddr) {
#ifdef USE_MCJIT
#ifdef LLVM35
if (pass != 0)
stream << "Source line: " << lineIter->second.Line << "\n";
#else
if (pass != 0)
stream << "Source line: " << lineIter->second.getLine() << "\n";
#endif
nextLineAddr = (++lineIter)->first;
#else
if (pass != 0)
stream << "Source line: " << (*lineIter).Loc.getLine() << "\n";
nextLineAddr = (*++lineIter).Address;
#endif
}
if (pass != 0) {
// Uncomment this to output addresses for all instructions
// stream << Index << ": ";
const char *symbolName = DisInfo.lookupSymbol(Index);
if (symbolName)
stream << symbolName << ":";
}
MCInst Inst;
MCDisassembler::DecodeStatus S;
S = DisAsm->getInstruction(Inst, insSize, memoryObject, Index,
/*REMOVE*/ nulls(), nulls());
switch (S) {
case MCDisassembler::Fail:
if (pass != 0)
SrcMgr.PrintMessage(SMLoc::getFromPointer(Fptr + Index),
SourceMgr::DK_Warning,
"invalid instruction encoding");
if (insSize == 0)
insSize = 1; // skip illegible bytes
break;
case MCDisassembler::SoftFail:
if (pass != 0)
SrcMgr.PrintMessage(SMLoc::getFromPointer(Fptr + Index),
SourceMgr::DK_Warning,
"potentially undefined instruction encoding");
// Fall through
case MCDisassembler::Success:
if (pass == 0) {
// Pass 0: Record all branch targets
if (MCIA->isBranch(Inst)) {
uint64_t addr;
#ifdef LLVM35
if (MCIA->evaluateBranch(Inst, Index, insSize, addr))
#else
if ((addr = MCIA->evaluateBranch(Inst, Index, insSize)) != (uint64_t)-1)
#endif
DisInfo.insertAddress(addr);
}
}
else {
// Pass 1: Output instruction
#ifdef LLVM35
Streamer->EmitInstruction(Inst, *STI);
#else
Streamer->EmitInstruction(Inst);
#endif
}
break;
}
}
if (pass == 0)
DisInfo.createSymbols();
}
}示例2: jl_dump_function_asm
//.........这里部分代码省略.........
// Set up Subtarget and Disassembler
OwningPtr<MCSubtargetInfo>
STI(TheTarget->createMCSubtargetInfo(TripleName, MCPU, Features.getString()));
#ifdef LLVM35
OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler(*STI, Ctx));
#else
OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler(*STI));
#endif
if (!DisAsm) {
JL_PRINTF(JL_STDERR, "error: no disassembler for target", TripleName.c_str(), "\n");
return;
}
unsigned OutputAsmVariant = 1;
bool ShowEncoding = false;
bool ShowInst = false;
OwningPtr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
MCInstPrinter* IP =
TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MCII, *MRI, *STI);
MCCodeEmitter *CE = 0;
MCAsmBackend *MAB = 0;
if (ShowEncoding) {
CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
#ifdef LLVM34
MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
#else
MAB = TheTarget->createMCAsmBackend(TripleName, MCPU);
#endif
}
Streamer.reset(TheTarget->createAsmStreamer(Ctx, stream, /*asmverbose*/true,
#ifndef LLVM35
/*useLoc*/ true,
/*useCFI*/ true,
#endif
/*useDwarfDirectory*/ true,
IP, CE, MAB, ShowInst));
Streamer->InitSections();
// Make the MemoryObject wrapper
FuncMCView memoryObject(Fptr, Fsize);
uint64_t Size;
uint64_t Index;
uint64_t absAddr;
// Set up the line info
typedef std::vector<JITEvent_EmittedFunctionDetails::LineStart> LInfoVec;
LInfoVec::iterator lineIter = lineinfo.begin();
lineIter = lineinfo.begin();
uint64_t nextLineAddr = -1;
DISubprogram debugscope;
if (lineIter != lineinfo.end()) {
nextLineAddr = (*lineIter).Address;
debugscope = DISubprogram((*lineIter).Loc.getScope(jl_LLVMContext));
stream << "Filename: " << debugscope.getFilename().data() << "\n";
stream << "Source line: " << (*lineIter).Loc.getLine() << "\n";
}
// Do the disassembly
for (Index = 0, absAddr = (uint64_t)Fptr;
Index < memoryObject.getExtent(); Index += Size, absAddr += Size) {
if (nextLineAddr != (uint64_t)-1 && absAddr == nextLineAddr) {
stream << "Source line: " << (*lineIter).Loc.getLine() << "\n";
nextLineAddr = (*++lineIter).Address;
}
MCInst Inst;
MCDisassembler::DecodeStatus S;
S = DisAsm->getInstruction(Inst, Size, memoryObject, Index,
/*REMOVE*/ nulls(), nulls());
switch (S) {
case MCDisassembler::Fail:
SrcMgr.PrintMessage(SMLoc::getFromPointer(memoryObject[Index]),
SourceMgr::DK_Warning,
"invalid instruction encoding");
if (Size == 0)
Size = 1; // skip illegible bytes
break;
case MCDisassembler::SoftFail:
SrcMgr.PrintMessage(SMLoc::getFromPointer(memoryObject[Index]),
SourceMgr::DK_Warning,
"potentially undefined instruction encoding");
// Fall through
case MCDisassembler::Success:
#ifdef LLVM35
Streamer->EmitInstruction(Inst, *STI);
#else
Streamer->EmitInstruction(Inst);
#endif
break;
}
}
}