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C++ TrustedImmPtr函数代码示例

本文整理汇总了C++中TrustedImmPtr函数的典型用法代码示例。如果您正苦于以下问题：C++ TrustedImmPtr函数的具体用法？C++ TrustedImmPtr怎么用？C++ TrustedImmPtr使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了TrustedImmPtr函数的15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: stubCall

void JIT::compileOpCall(OpcodeID opcodeID, Instruction* instruction, unsigned)
{
    int callee = instruction[1].u.operand;
    int argCount = instruction[2].u.operand;
    int registerOffset = instruction[3].u.operand;

    // Handle eval
    Jump wasEval;
    if (opcodeID == op_call_eval) {
        JITStubCall stubCall(this, cti_op_call_eval);
        stubCall.addArgument(callee, regT0);
        stubCall.addArgument(JIT::Imm32(registerOffset));
        stubCall.addArgument(JIT::Imm32(argCount));
        stubCall.call();
        wasEval = branchPtr(NotEqual, regT0, TrustedImmPtr(JSValue::encode(JSValue())));
    }

    emitGetVirtualRegister(callee, regT0);

    // Check for JSFunctions.
    emitJumpSlowCaseIfNotJSCell(regT0);
    addSlowCase(branchPtr(NotEqual, Address(regT0), TrustedImmPtr(m_globalData->jsFunctionVPtr)));

    // Speculatively roll the callframe, assuming argCount will match the arity.
    storePtr(callFrameRegister, Address(callFrameRegister, (RegisterFile::CallerFrame + registerOffset) * static_cast<int>(sizeof(Register))));
    addPtr(Imm32(registerOffset * static_cast<int>(sizeof(Register))), callFrameRegister);
    move(Imm32(argCount), regT1);

    emitNakedCall(opcodeID == op_construct ? m_globalData->jitStubs->ctiVirtualConstruct() : m_globalData->jitStubs->ctiVirtualCall());

    if (opcodeID == op_call_eval)
        wasEval.link(this);

    sampleCodeBlock(m_codeBlock);
}
开发者ID:mulriple，项目名称:Webkit-Projects，代码行数:35，代码来源:JITCall.cpp

示例2: push

void MacroAssemblerX86Common::probe(MacroAssemblerX86Common::ProbeFunction function, void* arg1, void* arg2)
{
    push(RegisterID::esp);
    push(RegisterID::eax);
    move(TrustedImmPtr(arg2), RegisterID::eax);
    push(RegisterID::eax);
    move(TrustedImmPtr(arg1), RegisterID::eax);
    push(RegisterID::eax);
    move(TrustedImmPtr(reinterpret_cast<void*>(function)), RegisterID::eax);
    push(RegisterID::eax);
    move(TrustedImmPtr(reinterpret_cast<void*>(ctiMasmProbeTrampoline)), RegisterID::eax);
    call(RegisterID::eax);
}
开发者ID:rodrigo-speller，项目名称:webkit，代码行数:13，代码来源:MacroAssemblerX86Common.cpp

示例3: emitLoad

void JIT::compileOpCallVarargs(Instruction* instruction)
{
    int callee = instruction[1].u.operand;
    int argCountRegister = instruction[2].u.operand;
    int registerOffset = instruction[3].u.operand;

    emitLoad(callee, regT1, regT0);
    emitLoadPayload(argCountRegister, regT2); // argCount
    addPtr(Imm32(registerOffset), regT2, regT3); // registerOffset

    emitJumpSlowCaseIfNotJSCell(callee, regT1);
    addSlowCase(branchPtr(NotEqual, Address(regT0), TrustedImmPtr(m_globalData->jsFunctionVPtr)));

    // Speculatively roll the callframe, assuming argCount will match the arity.
    mul32(TrustedImm32(sizeof(Register)), regT3, regT3);
    addPtr(callFrameRegister, regT3);
    store32(TrustedImm32(JSValue::CellTag), tagFor(RegisterFile::CallerFrame, regT3));
    storePtr(callFrameRegister, payloadFor(RegisterFile::CallerFrame, regT3));
    move(regT3, callFrameRegister);

    move(regT2, regT1); // argCount

    emitNakedCall(m_globalData->jitStubs->ctiVirtualCall());

    sampleCodeBlock(m_codeBlock);
}
开发者ID:Irrelon，项目名称:iOS-JavaScript-Bridge，代码行数:26，代码来源:JITCall32_64.cpp

示例4: CodeOrigin

void JIT::compileCallEvalSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter)
{
    CallLinkInfo* info = m_codeBlock->addCallLinkInfo();
    info->setUpCall(CallLinkInfo::Call, CodeOrigin(m_bytecodeOffset), regT0);

    linkSlowCase(iter);

    int registerOffset = -instruction[4].u.operand;

    addPtr(TrustedImm32(registerOffset * sizeof(Register) + sizeof(CallerFrameAndPC)), callFrameRegister, stackPointerRegister);

    loadPtr(Address(stackPointerRegister, sizeof(Register) * JSStack::Callee - sizeof(CallerFrameAndPC)), regT0);
    loadPtr(Address(stackPointerRegister, sizeof(Register) * JSStack::Callee - sizeof(CallerFrameAndPC)), regT1);
    move(TrustedImmPtr(info), regT2);

    emitLoad(JSStack::Callee, regT1, regT0);
    MacroAssemblerCodeRef virtualThunk = virtualThunkFor(m_vm, *info);
    info->setSlowStub(createJITStubRoutine(virtualThunk, *m_vm, nullptr, true));
    emitNakedCall(virtualThunk.code());
    addPtr(TrustedImm32(stackPointerOffsetFor(m_codeBlock) * sizeof(Register)), callFrameRegister, stackPointerRegister);
    checkStackPointerAlignment();

    sampleCodeBlock(m_codeBlock);
    
    emitPutCallResult(instruction);
}
开发者ID:home201448，项目名称:webkit，代码行数:26，代码来源:JITCall32_64.cpp

示例5: compileCallEvalSlowCase

void JIT::compileOpCallSlowCase(OpcodeID opcodeID, Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned callLinkInfoIndex)
{
    if (opcodeID == op_call_eval) {
        compileCallEvalSlowCase(instruction, iter);
        return;
    }

    linkSlowCase(iter);

    if (opcodeID == op_tail_call || opcodeID == op_tail_call_varargs || opcodeID == op_tail_call_forward_arguments)
        emitRestoreCalleeSaves();

    move(TrustedImmPtr(m_callCompilationInfo[callLinkInfoIndex].callLinkInfo), regT2);

    m_callCompilationInfo[callLinkInfoIndex].callReturnLocation = emitNakedCall(m_vm->getCTIStub(linkCallThunkGenerator).code());

    if (opcodeID == op_tail_call || opcodeID == op_tail_call_varargs) {
        abortWithReason(JITDidReturnFromTailCall);
        return;
    }

    addPtr(TrustedImm32(stackPointerOffsetFor(m_codeBlock) * sizeof(Register)), callFrameRegister, stackPointerRegister);
    checkStackPointerAlignment();

    sampleCodeBlock(m_codeBlock);
    
    emitPutCallResult(instruction);
}
开发者ID:ollie314，项目名称:webkit，代码行数:28，代码来源:JITCall.cpp

示例6: emitGetCallerFrameFromCallFrameHeaderPtr

void JITCompiler::compileExceptionHandlers()
{
    if (m_exceptionChecks.empty() && m_exceptionChecksWithCallFrameRollback.empty())
        return;

    Jump doLookup;

    if (!m_exceptionChecksWithCallFrameRollback.empty()) {
        m_exceptionChecksWithCallFrameRollback.link(this);
        emitGetCallerFrameFromCallFrameHeaderPtr(GPRInfo::argumentGPR1);
        doLookup = jump();
    }

    if (!m_exceptionChecks.empty())
        m_exceptionChecks.link(this);

    // lookupExceptionHandler is passed two arguments, the VM and the exec (the CallFrame*).
    move(GPRInfo::callFrameRegister, GPRInfo::argumentGPR1);

    if (doLookup.isSet())
        doLookup.link(this);

    move(TrustedImmPtr(vm()), GPRInfo::argumentGPR0);

#if CPU(X86)
    // FIXME: should use the call abstraction, but this is currently in the SpeculativeJIT layer!
    poke(GPRInfo::argumentGPR0);
    poke(GPRInfo::argumentGPR1, 1);
#endif
    m_calls.append(CallLinkRecord(call(), lookupExceptionHandler));
    jumpToExceptionHandler();
}
开发者ID:boska，项目名称:webkit，代码行数:32，代码来源:DFGJITCompiler.cpp

示例7: linkSlowCase

void JIT::compileOpCallSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned callLinkInfoIndex, OpcodeID opcodeID)
{
    int argCount = instruction[2].u.operand;
    int registerOffset = instruction[3].u.operand;

    linkSlowCase(iter);

    // Fast check for JS function.
    Jump callLinkFailNotObject = emitJumpIfNotJSCell(regT0);
    Jump callLinkFailNotJSFunction = branchPtr(NotEqual, Address(regT0), TrustedImmPtr(m_globalData->jsFunctionVPtr));

    // Speculatively roll the callframe, assuming argCount will match the arity.
    storePtr(callFrameRegister, Address(callFrameRegister, (RegisterFile::CallerFrame + registerOffset) * static_cast<int>(sizeof(Register))));
    addPtr(Imm32(registerOffset * static_cast<int>(sizeof(Register))), callFrameRegister);
    move(Imm32(argCount), regT1);

    m_callStructureStubCompilationInfo[callLinkInfoIndex].callReturnLocation = emitNakedCall(opcodeID == op_construct ? m_globalData->jitStubs->ctiVirtualConstructLink() : m_globalData->jitStubs->ctiVirtualCallLink());

    // Done! - return back to the hot path.
    ASSERT(OPCODE_LENGTH(op_call) == OPCODE_LENGTH(op_call_eval));
    ASSERT(OPCODE_LENGTH(op_call) == OPCODE_LENGTH(op_construct));
    emitJumpSlowToHot(jump(), OPCODE_LENGTH(op_call));

    // This handles host functions
    callLinkFailNotObject.link(this);
    callLinkFailNotJSFunction.link(this);

    JITStubCall stubCall(this, opcodeID == op_construct ? cti_op_construct_NotJSConstruct : cti_op_call_NotJSFunction);
    stubCall.addArgument(regT0);
    stubCall.addArgument(JIT::Imm32(registerOffset));
    stubCall.addArgument(JIT::Imm32(argCount));
    stubCall.call();

    sampleCodeBlock(m_codeBlock);
}
开发者ID:mulriple，项目名称:Webkit-Projects，代码行数:35，代码来源:JITCall.cpp

示例8: emitGetVirtualRegister

void JIT::compileOpCallVarargs(Instruction* instruction)
{
    int callee = instruction[1].u.operand;
    int argCountRegister = instruction[2].u.operand;
    int registerOffset = instruction[3].u.operand;

    emitGetVirtualRegister(argCountRegister, regT1);
    emitFastArithImmToInt(regT1);
    emitGetVirtualRegister(callee, regT0);
    addPtr(Imm32(registerOffset), regT1, regT2);

    // Check for JSFunctions.
    emitJumpSlowCaseIfNotJSCell(regT0);
    addSlowCase(branchPtr(NotEqual, Address(regT0), TrustedImmPtr(m_globalData->jsFunctionVPtr)));

    // Speculatively roll the callframe, assuming argCount will match the arity.
    mul32(TrustedImm32(sizeof(Register)), regT2, regT2);
    intptr_t offset = (intptr_t)sizeof(Register) * (intptr_t)RegisterFile::CallerFrame;
    addPtr(Imm32((int32_t)offset), regT2, regT3);
    addPtr(callFrameRegister, regT3);
    storePtr(callFrameRegister, regT3);
    addPtr(regT2, callFrameRegister);
    emitNakedCall(m_globalData->jitStubs->ctiVirtualCall());

    sampleCodeBlock(m_codeBlock);
}
开发者ID:mulriple，项目名称:Webkit-Projects，代码行数:26，代码来源:JITCall.cpp

示例9: branchDouble

void AssemblyHelpers::purifyNaN(FPRReg fpr)
{
    MacroAssembler::Jump notNaN = branchDouble(DoubleEqual, fpr, fpr);
    static const double NaN = PNaN;
    loadDouble(TrustedImmPtr(&NaN), fpr);
    notNaN.link(this);
}
开发者ID:kkuunnddaannkk，项目名称:webkit，代码行数:7，代码来源:AssemblyHelpers.cpp

示例10: CPU

void JITCompiler::jitAssertIsInt32(GPRReg gpr)
{
#if CPU(X86_64)
    Jump checkInt32 = branchPtr(BelowOrEqual, gpr, TrustedImmPtr(reinterpret_cast<void*>(static_cast<uintptr_t>(0xFFFFFFFFu))));
    breakpoint();
    checkInt32.link(this);
#else
    UNUSED_PARAM(gpr);
#endif
}
开发者ID:AngelkPetkov，项目名称:tijscore，代码行数:10，代码来源:DFGJITCompiler.cpp

示例11: copyCalleeSavesToVMCalleeSavesBuffer

void JITCompiler::compileExceptionHandlers()
{
    if (!m_exceptionChecksWithCallFrameRollback.empty()) {
        m_exceptionChecksWithCallFrameRollback.link(this);

        copyCalleeSavesToVMCalleeSavesBuffer();

        // lookupExceptionHandlerFromCallerFrame is passed two arguments, the VM and the exec (the CallFrame*).
        move(TrustedImmPtr(vm()), GPRInfo::argumentGPR0);
        move(GPRInfo::callFrameRegister, GPRInfo::argumentGPR1);
        addPtr(TrustedImm32(m_graph.stackPointerOffset() * sizeof(Register)), GPRInfo::callFrameRegister, stackPointerRegister);

#if CPU(X86)
        // FIXME: should use the call abstraction, but this is currently in the SpeculativeJIT layer!
        poke(GPRInfo::argumentGPR0);
        poke(GPRInfo::argumentGPR1, 1);
#endif
        m_calls.append(CallLinkRecord(call(), lookupExceptionHandlerFromCallerFrame));

        jumpToExceptionHandler();
    }

    if (!m_exceptionChecks.empty()) {
        m_exceptionChecks.link(this);

        copyCalleeSavesToVMCalleeSavesBuffer();

        // lookupExceptionHandler is passed two arguments, the VM and the exec (the CallFrame*).
        move(TrustedImmPtr(vm()), GPRInfo::argumentGPR0);
        move(GPRInfo::callFrameRegister, GPRInfo::argumentGPR1);

#if CPU(X86)
        // FIXME: should use the call abstraction, but this is currently in the SpeculativeJIT layer!
        poke(GPRInfo::argumentGPR0);
        poke(GPRInfo::argumentGPR1, 1);
#endif
        m_calls.append(CallLinkRecord(call(), lookupExceptionHandler));

        jumpToExceptionHandler();
    }
}
开发者ID:icepy，项目名称:JavaScriptCore，代码行数:41，代码来源:DFGJITCompiler.cpp

示例12: vm

void AssemblyHelpers::callExceptionFuzz()
{
    if (!Options::enableExceptionFuzz())
        return;

    EncodedJSValue* buffer = vm()->exceptionFuzzingBuffer(sizeof(EncodedJSValue) * (GPRInfo::numberOfRegisters + FPRInfo::numberOfRegisters));

    for (unsigned i = 0; i < GPRInfo::numberOfRegisters; ++i) {
#if USE(JSVALUE64)
        store64(GPRInfo::toRegister(i), buffer + i);
#else
        store32(GPRInfo::toRegister(i), buffer + i);
#endif
    }
    for (unsigned i = 0; i < FPRInfo::numberOfRegisters; ++i) {
        move(TrustedImmPtr(buffer + GPRInfo::numberOfRegisters + i), GPRInfo::regT0);
        storeDouble(FPRInfo::toRegister(i), Address(GPRInfo::regT0));
    }

    // Set up one argument.
#if CPU(X86)
    poke(GPRInfo::callFrameRegister, 0);
#else
    move(GPRInfo::callFrameRegister, GPRInfo::argumentGPR0);
#endif
    move(TrustedImmPtr(bitwise_cast<void*>(operationExceptionFuzz)), GPRInfo::nonPreservedNonReturnGPR);
    call(GPRInfo::nonPreservedNonReturnGPR);

    for (unsigned i = 0; i < FPRInfo::numberOfRegisters; ++i) {
        move(TrustedImmPtr(buffer + GPRInfo::numberOfRegisters + i), GPRInfo::regT0);
        loadDouble(Address(GPRInfo::regT0), FPRInfo::toRegister(i));
    }
    for (unsigned i = 0; i < GPRInfo::numberOfRegisters; ++i) {
#if USE(JSVALUE64)
        load64(buffer + i, GPRInfo::toRegister(i));
#else
        load32(buffer + i, GPRInfo::toRegister(i));
#endif
    }
}
开发者ID:kkuunnddaannkk，项目名称:webkit，代码行数:40，代码来源:AssemblyHelpers.cpp

示例13: linkSlowCase

void JIT::compileCallEvalSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter)
{
    linkSlowCase(iter);

    load64(Address(stackPointerRegister, sizeof(Register) * JSStack::Callee - sizeof(CallerFrameAndPC)), regT0);
    move(TrustedImmPtr(&CallLinkInfo::dummy()), regT2);
    emitNakedCall(m_vm->getCTIStub(virtualCallThunkGenerator).code());
    addPtr(TrustedImm32(stackPointerOffsetFor(m_codeBlock) * sizeof(Register)), callFrameRegister, stackPointerRegister);
    checkStackPointerAlignment();

    sampleCodeBlock(m_codeBlock);
    
    emitPutCallResult(instruction);
}
开发者ID:Wrichik1999，项目名称:webkit，代码行数:14，代码来源:JITCall.cpp

示例14: ASSERT

void AssemblyHelpers::callExceptionFuzz()
{
    if (!Options::enableExceptionFuzz())
        return;

    ASSERT(stackAlignmentBytes() >= sizeof(void*) * 2);
    subPtr(TrustedImm32(stackAlignmentBytes()), stackPointerRegister);
    poke(GPRInfo::returnValueGPR, 0);
    poke(GPRInfo::returnValueGPR2, 1);
    move(TrustedImmPtr(bitwise_cast<void*>(operationExceptionFuzz)), GPRInfo::nonPreservedNonReturnGPR);
    call(GPRInfo::nonPreservedNonReturnGPR);
    peek(GPRInfo::returnValueGPR, 0);
    peek(GPRInfo::returnValueGPR2, 1);
    addPtr(TrustedImm32(stackAlignmentBytes()), stackPointerRegister);
}
开发者ID:AndriyKalashnykov，项目名称:webkit，代码行数:15，代码来源:AssemblyHelpers.cpp

示例15: compileCallEvalSlowCase

void JIT::compileOpCallSlowCase(OpcodeID opcodeID, Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned callLinkInfoIndex)
{
    if (opcodeID == op_call_eval) {
        compileCallEvalSlowCase(instruction, iter);
        return;
    }

    linkSlowCase(iter);
    linkSlowCase(iter);

    move(TrustedImmPtr(m_callCompilationInfo[callLinkInfoIndex].callLinkInfo), regT2);
    m_callCompilationInfo[callLinkInfoIndex].callReturnLocation = emitNakedCall(m_vm->getCTIStub(linkCallThunkGenerator).code());

    addPtr(TrustedImm32(stackPointerOffsetFor(m_codeBlock) * sizeof(Register)), callFrameRegister, stackPointerRegister);
    checkStackPointerAlignment();

    sampleCodeBlock(m_codeBlock);
    emitPutCallResult(instruction);
}
开发者ID:home201448，项目名称:webkit，代码行数:19，代码来源:JITCall32_64.cpp


注：本文中的TrustedImmPtr函数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。