C++ InlineCallFrame::calleeConstant方法代码示例

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

在下文中一共展示了InlineCallFrame::calleeConstant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: reifyInlinedCallFrames

void reifyInlinedCallFrames(CCallHelpers& jit, const OSRExitBase& exit)
{
    ASSERT(jit.baselineCodeBlock()->jitType() == JITCode::BaselineJIT);
    jit.storePtr(AssemblyHelpers::TrustedImmPtr(jit.baselineCodeBlock()), AssemblyHelpers::addressFor((VirtualRegister)JSStack::CodeBlock));

    CodeOrigin codeOrigin;
    for (codeOrigin = exit.m_codeOrigin; codeOrigin.inlineCallFrame; codeOrigin = codeOrigin.inlineCallFrame->caller) {
        InlineCallFrame* inlineCallFrame = codeOrigin.inlineCallFrame;
        CodeBlock* baselineCodeBlock = jit.baselineCodeBlockFor(codeOrigin);
        CodeBlock* baselineCodeBlockForCaller = jit.baselineCodeBlockFor(inlineCallFrame->caller);
        void* jumpTarget = nullptr;
        void* trueReturnPC = nullptr;

        unsigned callBytecodeIndex = inlineCallFrame->caller.bytecodeIndex;

        switch (inlineCallFrame->kind) {
        case InlineCallFrame::Call:
        case InlineCallFrame::Construct:
        case InlineCallFrame::CallVarargs:
        case InlineCallFrame::ConstructVarargs: {
            CallLinkInfo* callLinkInfo =
                baselineCodeBlockForCaller->getCallLinkInfoForBytecodeIndex(callBytecodeIndex);
            RELEASE_ASSERT(callLinkInfo);

            jumpTarget = callLinkInfo->callReturnLocation().executableAddress();
            break;
        }

        case InlineCallFrame::GetterCall:
        case InlineCallFrame::SetterCall: {
            StructureStubInfo* stubInfo =
                baselineCodeBlockForCaller->findStubInfo(CodeOrigin(callBytecodeIndex));
            RELEASE_ASSERT(stubInfo);

            switch (inlineCallFrame->kind) {
            case InlineCallFrame::GetterCall:
                jumpTarget = jit.vm()->getCTIStub(baselineGetterReturnThunkGenerator).code().executableAddress();
                break;
            case InlineCallFrame::SetterCall:
                jumpTarget = jit.vm()->getCTIStub(baselineSetterReturnThunkGenerator).code().executableAddress();
                break;
            default:
                RELEASE_ASSERT_NOT_REACHED();
                break;
            }

            trueReturnPC = stubInfo->callReturnLocation.labelAtOffset(
                stubInfo->patch.deltaCallToDone).executableAddress();
            break;
        } }

        GPRReg callerFrameGPR;
        if (inlineCallFrame->caller.inlineCallFrame) {
            jit.addPtr(AssemblyHelpers::TrustedImm32(inlineCallFrame->caller.inlineCallFrame->stackOffset * sizeof(EncodedJSValue)), GPRInfo::callFrameRegister, GPRInfo::regT3);
            callerFrameGPR = GPRInfo::regT3;
        } else
            callerFrameGPR = GPRInfo::callFrameRegister;

        jit.storePtr(AssemblyHelpers::TrustedImmPtr(jumpTarget), AssemblyHelpers::addressForByteOffset(inlineCallFrame->returnPCOffset()));
        if (trueReturnPC)
            jit.storePtr(AssemblyHelpers::TrustedImmPtr(trueReturnPC), AssemblyHelpers::addressFor(inlineCallFrame->stackOffset + virtualRegisterForArgument(inlineCallFrame->arguments.size()).offset()));

        jit.storePtr(AssemblyHelpers::TrustedImmPtr(baselineCodeBlock), AssemblyHelpers::addressFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::CodeBlock)));
        if (!inlineCallFrame->isVarargs())
            jit.store32(AssemblyHelpers::TrustedImm32(inlineCallFrame->arguments.size()), AssemblyHelpers::payloadFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
#if USE(JSVALUE64)
        jit.store64(callerFrameGPR, AssemblyHelpers::addressForByteOffset(inlineCallFrame->callerFrameOffset()));
        uint32_t locationBits = CallFrame::Location::encodeAsBytecodeOffset(codeOrigin.bytecodeIndex);
        jit.store32(AssemblyHelpers::TrustedImm32(locationBits), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
        if (!inlineCallFrame->isClosureCall)
            jit.store64(AssemblyHelpers::TrustedImm64(JSValue::encode(JSValue(inlineCallFrame->calleeConstant()))), AssemblyHelpers::addressFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::Callee)));
#else // USE(JSVALUE64) // so this is the 32-bit part
        jit.storePtr(callerFrameGPR, AssemblyHelpers::addressForByteOffset(inlineCallFrame->callerFrameOffset()));
        Instruction* instruction = baselineCodeBlock->instructions().begin() + codeOrigin.bytecodeIndex;
        uint32_t locationBits = CallFrame::Location::encodeAsBytecodeInstruction(instruction);
        jit.store32(AssemblyHelpers::TrustedImm32(locationBits), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
        jit.store32(AssemblyHelpers::TrustedImm32(JSValue::CellTag), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::Callee)));
        if (!inlineCallFrame->isClosureCall)
            jit.storePtr(AssemblyHelpers::TrustedImmPtr(inlineCallFrame->calleeConstant()), AssemblyHelpers::payloadFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::Callee)));
#endif // USE(JSVALUE64) // ending the #else part, so directly above is the 32-bit part
    }

#if USE(JSVALUE64)
    uint32_t locationBits = CallFrame::Location::encodeAsBytecodeOffset(codeOrigin.bytecodeIndex);
#else
    Instruction* instruction = jit.baselineCodeBlock()->instructions().begin() + codeOrigin.bytecodeIndex;
    uint32_t locationBits = CallFrame::Location::encodeAsBytecodeInstruction(instruction);
#endif
    jit.store32(AssemblyHelpers::TrustedImm32(locationBits), AssemblyHelpers::tagFor((VirtualRegister)(JSStack::ArgumentCount)));
}

开发者ID:puce77，项目名称:openjfx-9-dev-rt，代码行数:90，代码来源:DFGOSRExitCompilerCommon.cpp

示例2: reifyInlinedCallFrames

void reifyInlinedCallFrames(CCallHelpers& jit, const OSRExitBase& exit)
{
    ASSERT(jit.baselineCodeBlock()->jitType() == JITCode::BaselineJIT);
    jit.storePtr(AssemblyHelpers::TrustedImmPtr(jit.baselineCodeBlock()), AssemblyHelpers::addressFor((VirtualRegister)JSStack::CodeBlock));

    CodeOrigin codeOrigin;
    for (codeOrigin = exit.m_codeOrigin; codeOrigin.inlineCallFrame; codeOrigin = codeOrigin.inlineCallFrame->caller) {
        InlineCallFrame* inlineCallFrame = codeOrigin.inlineCallFrame;
        CodeBlock* baselineCodeBlock = jit.baselineCodeBlockFor(codeOrigin);
        CodeBlock* baselineCodeBlockForCaller = jit.baselineCodeBlockFor(inlineCallFrame->caller);
        unsigned callBytecodeIndex = inlineCallFrame->caller.bytecodeIndex;
        CallLinkInfo& callLinkInfo = baselineCodeBlockForCaller->getCallLinkInfo(callBytecodeIndex);
        
        void* jumpTarget = callLinkInfo.callReturnLocation.executableAddress();

        GPRReg callerFrameGPR;
        if (inlineCallFrame->caller.inlineCallFrame) {
            jit.addPtr(AssemblyHelpers::TrustedImm32(inlineCallFrame->caller.inlineCallFrame->stackOffset * sizeof(EncodedJSValue)), GPRInfo::callFrameRegister, GPRInfo::regT3);
            callerFrameGPR = GPRInfo::regT3;
        } else
            callerFrameGPR = GPRInfo::callFrameRegister;
        
#if USE(JSVALUE64)
        jit.storePtr(AssemblyHelpers::TrustedImmPtr(baselineCodeBlock), AssemblyHelpers::addressFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::CodeBlock)));
        if (!inlineCallFrame->isClosureCall)
            jit.store64(AssemblyHelpers::TrustedImm64(JSValue::encode(JSValue(inlineCallFrame->calleeConstant()->scope()))), AssemblyHelpers::addressFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ScopeChain)));
        jit.store64(callerFrameGPR, AssemblyHelpers::addressForByteOffset(inlineCallFrame->callerFrameOffset()));
        jit.storePtr(AssemblyHelpers::TrustedImmPtr(jumpTarget), AssemblyHelpers::addressForByteOffset(inlineCallFrame->returnPCOffset()));
        uint32_t locationBits = CallFrame::Location::encodeAsBytecodeOffset(codeOrigin.bytecodeIndex);
        jit.store32(AssemblyHelpers::TrustedImm32(locationBits), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
        jit.store32(AssemblyHelpers::TrustedImm32(inlineCallFrame->arguments.size()), AssemblyHelpers::payloadFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
        if (!inlineCallFrame->isClosureCall)
            jit.store64(AssemblyHelpers::TrustedImm64(JSValue::encode(JSValue(inlineCallFrame->calleeConstant()))), AssemblyHelpers::addressFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::Callee)));
        
        // Leave the captured arguments in regT3.
        if (baselineCodeBlock->usesArguments())
            jit.loadPtr(AssemblyHelpers::addressFor(VirtualRegister(inlineCallFrame->stackOffset + unmodifiedArgumentsRegister(baselineCodeBlock->argumentsRegister()).offset())), GPRInfo::regT3);
#else // USE(JSVALUE64) // so this is the 32-bit part
        jit.storePtr(AssemblyHelpers::TrustedImmPtr(baselineCodeBlock), AssemblyHelpers::addressFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::CodeBlock)));
        jit.store32(AssemblyHelpers::TrustedImm32(JSValue::CellTag), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ScopeChain)));
        if (!inlineCallFrame->isClosureCall)
            jit.storePtr(AssemblyHelpers::TrustedImmPtr(inlineCallFrame->calleeConstant()->scope()), AssemblyHelpers::payloadFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ScopeChain)));
        jit.storePtr(callerFrameGPR, AssemblyHelpers::addressForByteOffset(inlineCallFrame->callerFrameOffset()));
        jit.storePtr(AssemblyHelpers::TrustedImmPtr(jumpTarget), AssemblyHelpers::addressForByteOffset(inlineCallFrame->returnPCOffset()));
        Instruction* instruction = baselineCodeBlock->instructions().begin() + codeOrigin.bytecodeIndex;
        uint32_t locationBits = CallFrame::Location::encodeAsBytecodeInstruction(instruction);
        jit.store32(AssemblyHelpers::TrustedImm32(locationBits), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
        jit.store32(AssemblyHelpers::TrustedImm32(inlineCallFrame->arguments.size()), AssemblyHelpers::payloadFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::ArgumentCount)));
        jit.store32(AssemblyHelpers::TrustedImm32(JSValue::CellTag), AssemblyHelpers::tagFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::Callee)));
        if (!inlineCallFrame->isClosureCall)
            jit.storePtr(AssemblyHelpers::TrustedImmPtr(inlineCallFrame->calleeConstant()), AssemblyHelpers::payloadFor((VirtualRegister)(inlineCallFrame->stackOffset + JSStack::Callee)));

        // Leave the captured arguments in regT3.
        if (baselineCodeBlock->usesArguments())
            jit.loadPtr(AssemblyHelpers::payloadFor(VirtualRegister(inlineCallFrame->stackOffset + unmodifiedArgumentsRegister(baselineCodeBlock->argumentsRegister()).offset())), GPRInfo::regT3);
#endif // USE(JSVALUE64) // ending the #else part, so directly above is the 32-bit part
        
        if (baselineCodeBlock->usesArguments()) {
            AssemblyHelpers::Jump noArguments = jit.branchTestPtr(AssemblyHelpers::Zero, GPRInfo::regT3);
            jit.addPtr(AssemblyHelpers::TrustedImm32(inlineCallFrame->stackOffset * sizeof(EncodedJSValue)), GPRInfo::callFrameRegister, GPRInfo::regT0);
            jit.storePtr(GPRInfo::regT0, AssemblyHelpers::Address(GPRInfo::regT3, Arguments::offsetOfRegisters()));
            noArguments.link(&jit);
        }
    }

#if USE(JSVALUE64)
    uint32_t locationBits = CallFrame::Location::encodeAsBytecodeOffset(codeOrigin.bytecodeIndex);
#else
    Instruction* instruction = jit.baselineCodeBlock()->instructions().begin() + codeOrigin.bytecodeIndex;
    uint32_t locationBits = CallFrame::Location::encodeAsBytecodeInstruction(instruction);
#endif
    jit.store32(AssemblyHelpers::TrustedImm32(locationBits), AssemblyHelpers::tagFor((VirtualRegister)(JSStack::ArgumentCount)));
}

开发者ID:RobotsAndPencils，项目名称:JavaScriptCore-iOS，代码行数:73，代码来源:DFGOSRExitCompilerCommon.cpp

注：本文中的InlineCallFrame::calleeConstant方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。