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C++ BasicBlock::containsCallToRange方法代码示例

本文整理汇总了C++中BasicBlock::containsCallToRange方法的典型用法代码示例。如果您正苦于以下问题:C++ BasicBlock::containsCallToRange方法的具体用法?C++ BasicBlock::containsCallToRange怎么用?C++ BasicBlock::containsCallToRange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BasicBlock的用法示例。


在下文中一共展示了BasicBlock::containsCallToRange方法的1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: instrument

void CallReplace::instrument(){
    uint32_t temp32;
    uint64_t temp64;

    LineInfoFinder* lineInfoFinder = NULL;
    if (hasLineInformation()){
        lineInfoFinder = getLineInfoFinder();
    }

    InstrumentationPoint* p = addInstrumentationPoint(getProgramEntryBlock(), programEntry, InstrumentationMode_tramp, FlagsProtectionMethod_full, InstLocation_prior);
    ASSERT(p);
    if (!p->getInstBaseAddress()){
        PRINT_ERROR("Cannot find an instrumentation point at the exit function");
    }

    p = addInstrumentationPoint(getProgramExitBlock(), programExit, InstrumentationMode_tramp, FlagsProtectionMethod_full, InstLocation_prior);
    ASSERT(p);
    if (!p->getInstBaseAddress()){
        PRINT_ERROR("Cannot find an instrumentation point at the exit function");
    }

    uint64_t siteIndex = reserveDataOffset(sizeof(uint32_t));
    programEntry->addArgument(siteIndex);

    Vector<X86Instruction*> myInstPoints;
    Vector<uint32_t> myInstList;
    Vector<LineInfo*> myLineInfos;
    for (uint32_t i = 0; i < getNumberOfExposedInstructions(); i++){
        X86Instruction* instruction = getExposedInstruction(i);
        ASSERT(instruction->getContainer()->isFunction());
        Function* function = (Function*)instruction->getContainer();
        
        if (instruction->isFunctionCall()){
            Symbol* functionSymbol = getElfFile()->lookupFunctionSymbol(instruction->getTargetAddress());

            if (functionSymbol){
                //PRINT_INFOR("looking for function %s", functionSymbol->getSymbolName());
                uint32_t funcIdx = searchFileList(functionList, functionSymbol->getSymbolName());
                if (funcIdx < (*functionList).size()){
                    BasicBlock* bb = function->getBasicBlockAtAddress(instruction->getBaseAddress());
                    ASSERT(bb->containsCallToRange(0,-1));
                    ASSERT(instruction->getSizeInBytes() == Size__uncond_jump);

                    myInstPoints.append(instruction);
                    myInstList.append(funcIdx);
                    LineInfo* li = NULL;
                    if (lineInfoFinder){
                        li = lineInfoFinder->lookupLineInfo(bb);
                    }
                    myLineInfos.append(li);
                }
            }
        } 
    }
    ASSERT(myInstPoints.size() == myInstList.size());
    ASSERT(myLineInfos.size() == myInstList.size());

    uint64_t fileNames = reserveDataOffset(sizeof(char*) * myInstList.size());
    uint64_t lineNumbers = reserveDataOffset(sizeof(uint32_t) * myInstList.size());
    for (uint32_t i = 0; i < myInstList.size(); i++){
        uint32_t line = 0;
        char* fname = NOSTRING;
        if (myLineInfos[i]){
            line = myLineInfos[i]->GET(lr_line);
            fname = myLineInfos[i]->getFileName();
        }
        uint64_t filenameaddr = getInstDataAddress() + reserveDataOffset(strlen(fname) + 1);
        initializeReservedData(getInstDataAddress() + fileNames + i*sizeof(char*), sizeof(char*), &filenameaddr);
        initializeReservedData(filenameaddr, strlen(fname), fname);
        initializeReservedData(getInstDataAddress() + lineNumbers + i*sizeof(uint32_t), sizeof(uint32_t), &line);
    }
    programEntry->addArgument(fileNames);
    programEntry->addArgument(lineNumbers);

    for (uint32_t i = 0; i < myInstPoints.size(); i++){
        PRINT_INFOR("(site %d) %#llx: replacing call %s -> %s in function %s", i, myInstPoints[i]->getBaseAddress(), getFunctionName(myInstList[i]), getWrapperName(myInstList[i]), myInstPoints[i]->getContainer()->getName());
        InstrumentationPoint* pt = addInstrumentationPoint(myInstPoints[i], functionWrappers[myInstList[i]], InstrumentationMode_tramp, FlagsProtectionMethod_none, InstLocation_replace);
        if (getElfFile()->is64Bit()){
            pt->addPrecursorInstruction(X86InstructionFactory64::emitMoveRegToMem(X86_REG_CX, getInstDataAddress() + getRegStorageOffset()));
            pt->addPrecursorInstruction(X86InstructionFactory64::emitMoveImmToReg(i, X86_REG_CX));
            pt->addPrecursorInstruction(X86InstructionFactory64::emitMoveRegToMem(X86_REG_CX, getInstDataAddress() + siteIndex));
            pt->addPrecursorInstruction(X86InstructionFactory64::emitMoveMemToReg(getInstDataAddress() + getRegStorageOffset(), X86_REG_CX, true));
        } else {
            pt->addPrecursorInstruction(X86InstructionFactory32::emitMoveRegToMem(X86_REG_CX, getInstDataAddress() + getRegStorageOffset()));
            pt->addPrecursorInstruction(X86InstructionFactory32::emitMoveImmToReg(i, X86_REG_CX));
            pt->addPrecursorInstruction(X86InstructionFactory32::emitMoveRegToMem(X86_REG_CX, getInstDataAddress() + siteIndex));
            pt->addPrecursorInstruction(X86InstructionFactory32::emitMoveMemToReg(getInstDataAddress() + getRegStorageOffset(), X86_REG_CX));            
        }
    }
}
开发者ID:danfinkelstein,项目名称:know-nothing-gmail,代码行数:90,代码来源:CallReplace.C


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