C++ AsmJSModule::exit方法代码示例

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

在下文中一共展示了AsmJSModule::exit方法的5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: globalVal

static bool
DynamicallyLinkModule(JSContext *cx, CallArgs args, AsmJSModule &module)
{
    module.setIsDynamicallyLinked();

    RootedValue globalVal(cx);
    if (args.length() > 0)
        globalVal = args[0];

    RootedValue importVal(cx);
    if (args.length() > 1)
        importVal = args[1];

    RootedValue bufferVal(cx);
    if (args.length() > 2)
        bufferVal = args[2];

    Rooted<ArrayBufferObject*> heap(cx);
    if (module.hasArrayView()) {
        if (!IsTypedArrayBuffer(bufferVal))
            return LinkFail(cx, "bad ArrayBuffer argument");

        heap = &AsTypedArrayBuffer(bufferVal);
        if (!LinkModuleToHeap(cx, module, heap))
            return false;
    }

    AutoObjectVector ffis(cx);
    if (!ffis.resize(module.numFFIs()))
        return false;

    for (unsigned i = 0; i < module.numGlobals(); i++) {
        AsmJSModule::Global &global = module.global(i);
        switch (global.which()) {
          case AsmJSModule::Global::Variable:
            if (!ValidateGlobalVariable(cx, module, global, importVal))
                return false;
            break;
          case AsmJSModule::Global::FFI:
            if (!ValidateFFI(cx, global, importVal, &ffis))
                return false;
            break;
          case AsmJSModule::Global::ArrayView:
            if (!ValidateArrayView(cx, global, globalVal, bufferVal))
                return false;
            break;
          case AsmJSModule::Global::MathBuiltinFunction:
            if (!ValidateMathBuiltinFunction(cx, global, globalVal))
                return false;
            break;
          case AsmJSModule::Global::Constant:
            if (!ValidateConstant(cx, global, globalVal))
                return false;
            break;
        }
    }

    for (unsigned i = 0; i < module.numExits(); i++)
        module.exitIndexToGlobalDatum(i).fun = &ffis[module.exit(i).ffiIndex()]->as<JSFunction>();

    return true;
}

开发者ID:，项目名称:，代码行数:62，代码来源:

示例2: LinkFail

static bool
DynamicallyLinkModule(JSContext *cx, CallArgs args, AsmJSModule &module)
{
    if (module.isLinked())
        return LinkFail(cx, "As a temporary limitation, modules cannot be linked more than "
                            "once. This limitation should be removed in a future release. To "
                            "work around this, compile a second module (e.g., using the "
                            "Function constructor).");
    module.setIsLinked();

    RootedValue globalVal(cx, UndefinedValue());
    if (args.length() > 0)
        globalVal = args[0];

    RootedValue importVal(cx, UndefinedValue());
    if (args.length() > 1)
        importVal = args[1];

    RootedValue bufferVal(cx, UndefinedValue());
    if (args.length() > 2)
        bufferVal = args[2];

    Rooted<ArrayBufferObject*> heap(cx);
    if (module.hasArrayView()) {
        if (!IsTypedArrayBuffer(bufferVal))
            return LinkFail(cx, "bad ArrayBuffer argument");

        heap = &bufferVal.toObject().as<ArrayBufferObject>();

        if (!IsValidAsmJSHeapLength(heap->byteLength())) {
            return LinkFail(cx, JS_smprintf("ArrayBuffer byteLength 0x%x is not a valid heap length. The next valid length is 0x%x",
                                            heap->byteLength(),
                                            RoundUpToNextValidAsmJSHeapLength(heap->byteLength())));
        }

        // This check is sufficient without considering the size of the loaded datum because heap
        // loads and stores start on an aligned boundary and the heap byteLength has larger alignment.
        JS_ASSERT((module.minHeapLength() - 1) <= INT32_MAX);
        if (heap->byteLength() < module.minHeapLength()) {
            return LinkFail(cx, JS_smprintf("ArrayBuffer byteLength of 0x%x is less than 0x%x (which is the largest constant heap access offset rounded up to the next valid heap size).",
                                            heap->byteLength(), module.minHeapLength()));
        }

        if (!ArrayBufferObject::prepareForAsmJS(cx, heap))
            return LinkFail(cx, "Unable to prepare ArrayBuffer for asm.js use");

        module.initHeap(heap, cx);
    }

    AutoObjectVector ffis(cx);
    if (!ffis.resize(module.numFFIs()))
        return false;

    for (unsigned i = 0; i < module.numGlobals(); i++) {
        AsmJSModule::Global &global = module.global(i);
        switch (global.which()) {
          case AsmJSModule::Global::Variable:
            if (!ValidateGlobalVariable(cx, module, global, importVal))
                return false;
            break;
          case AsmJSModule::Global::FFI:
            if (!ValidateFFI(cx, global, importVal, &ffis))
                return false;
            break;
          case AsmJSModule::Global::ArrayView:
            if (!ValidateArrayView(cx, global, globalVal, bufferVal))
                return false;
            break;
          case AsmJSModule::Global::MathBuiltin:
            if (!ValidateMathBuiltin(cx, global, globalVal))
                return false;
            break;
          case AsmJSModule::Global::Constant:
            if (!ValidateGlobalConstant(cx, global, globalVal))
                return false;
            break;
        }
    }

    for (unsigned i = 0; i < module.numExits(); i++)
        module.exitIndexToGlobalDatum(i).fun = &ffis[module.exit(i).ffiIndex()]->as<JSFunction>();

    return true;
}

开发者ID:，项目名称:，代码行数:84，代码来源:

示例3: LinkFail

static bool
DynamicallyLinkModule(JSContext *cx, CallArgs args, AsmJSModule &module)
{
    if (module.isLinked())
        return LinkFail(cx, "As a temporary limitation, modules cannot be linked more than "
                            "once. This limitation should be removed in a future release. To "
                            "work around this, compile a second module (e.g., using the "
                            "Function constructor).");

    RootedValue globalVal(cx, UndefinedValue());
    if (args.length() > 0)
        globalVal = args[0];

    RootedValue importVal(cx, UndefinedValue());
    if (args.length() > 1)
        importVal = args[1];

    RootedValue bufferVal(cx, UndefinedValue());
    if (args.length() > 2)
        bufferVal = args[2];

    Rooted<ArrayBufferObject*> heap(cx);
    if (module.hasArrayView()) {
        if (!IsTypedArrayBuffer(bufferVal))
            return LinkFail(cx, "bad ArrayBuffer argument");

        heap = &bufferVal.toObject().as<ArrayBufferObject>();

        if (!IsPowerOfTwo(heap->byteLength()) || heap->byteLength() < AsmJSAllocationGranularity)
            return LinkFail(cx, "ArrayBuffer byteLength must be a power of two greater than or equal to 4096");

        if (!ArrayBufferObject::prepareForAsmJS(cx, heap))
            return LinkFail(cx, "Unable to prepare ArrayBuffer for asm.js use");

#if defined(JS_CPU_X86)
        void *heapOffset = (void*)heap->dataPointer();
        void *heapLength = (void*)heap->byteLength();
        uint8_t *code = module.functionCode();
        for (unsigned i = 0; i < module.numHeapAccesses(); i++) {
            const AsmJSHeapAccess &access = module.heapAccess(i);
            JSC::X86Assembler::setPointer(access.patchLengthAt(code), heapLength);
            JSC::X86Assembler::setPointer(access.patchOffsetAt(code), heapOffset);
        }
#elif defined(JS_CPU_ARM)
        // Now the length of the array is know, patch all of the bounds check sites
        // with the new length.
        jit::IonContext ic(cx, NULL);
        module.patchBoundsChecks(heap->byteLength());

#endif
    }

    AutoObjectVector ffis(cx);
    if (!ffis.resize(module.numFFIs()))
        return false;

    for (unsigned i = 0; i < module.numGlobals(); i++) {
        AsmJSModule::Global &global = module.global(i);
        switch (global.which()) {
          case AsmJSModule::Global::Variable:
            if (!ValidateGlobalVariable(cx, module, global, importVal))
                return false;
            break;
          case AsmJSModule::Global::FFI:
            if (!ValidateFFI(cx, global, importVal, &ffis))
                return false;
            break;
          case AsmJSModule::Global::ArrayView:
            if (!ValidateArrayView(cx, global, globalVal, bufferVal))
                return false;
            break;
          case AsmJSModule::Global::MathBuiltin:
            if (!ValidateMathBuiltin(cx, global, globalVal))
                return false;
            break;
          case AsmJSModule::Global::Constant:
            if (!ValidateGlobalConstant(cx, global, globalVal))
                return false;
            break;
        }
    }

    for (unsigned i = 0; i < module.numExits(); i++)
        module.exitIndexToGlobalDatum(i).fun = &ffis[module.exit(i).ffiIndex()]->as<JSFunction>();

    module.setIsLinked(heap);
    return true;
}

开发者ID:aiked，项目名称:MetaMonkey，代码行数:88，代码来源:AsmJSLink.cpp

示例4: LinkFail

static bool
DynamicallyLinkModule(JSContext *cx, CallArgs args, AsmJSModule &module)
{
    module.setIsDynamicallyLinked(cx->runtime());

    HandleValue globalVal = args.get(0);
    HandleValue importVal = args.get(1);
    HandleValue bufferVal = args.get(2);

    Rooted<ArrayBufferObjectMaybeShared *> heap(cx);
    if (module.hasArrayView()) {
        if (module.isSharedView() && !IsSharedArrayBuffer(bufferVal))
            return LinkFail(cx, "shared views can only be constructed onto SharedArrayBuffer");
        if (!module.isSharedView() && !IsArrayBuffer(bufferVal))
            return LinkFail(cx, "unshared views can only be constructed onto ArrayBuffer");
        heap = &AsAnyArrayBuffer(bufferVal);
        if (!LinkModuleToHeap(cx, module, heap))
            return false;
    }

    AutoObjectVector ffis(cx);
    if (!ffis.resize(module.numFFIs()))
        return false;

    for (unsigned i = 0; i < module.numGlobals(); i++) {
        AsmJSModule::Global &global = module.global(i);
        switch (global.which()) {
        case AsmJSModule::Global::Variable:
            if (!ValidateGlobalVariable(cx, module, global, importVal))
                return false;
            break;
        case AsmJSModule::Global::FFI:
            if (!ValidateFFI(cx, global, importVal, &ffis))
                return false;
            break;
        case AsmJSModule::Global::ArrayView:
        case AsmJSModule::Global::SharedArrayView:
        case AsmJSModule::Global::ArrayViewCtor:
            if (!ValidateArrayView(cx, global, globalVal, module.hasArrayView() && module.isSharedView()))
                return false;
            break;
        case AsmJSModule::Global::ByteLength:
            if (!ValidateByteLength(cx, globalVal))
                return false;
            break;
        case AsmJSModule::Global::MathBuiltinFunction:
            if (!ValidateMathBuiltinFunction(cx, global, globalVal))
                return false;
            break;
        case AsmJSModule::Global::AtomicsBuiltinFunction:
            if (!ValidateAtomicsBuiltinFunction(cx, global, globalVal))
                return false;
            break;
        case AsmJSModule::Global::Constant:
            if (!ValidateConstant(cx, global, globalVal))
                return false;
            break;
        case AsmJSModule::Global::SimdCtor:
            if (!ValidateSimdType(cx, global, globalVal))
                return false;
            break;
        case AsmJSModule::Global::SimdOperation:
            if (!ValidateSimdOperation(cx, global, globalVal))
                return false;
            break;
        }
    }

    for (unsigned i = 0; i < module.numExits(); i++)
        module.exitIndexToGlobalDatum(i).fun = &ffis[module.exit(i).ffiIndex()]->as<JSFunction>();

    module.initGlobalNaN();

    return true;
}

开发者ID:stspyder，项目名称:mozjs，代码行数:75，代码来源:AsmJSLink.cpp

示例5: LinkFail

static bool
DynamicallyLinkModule(JSContext *cx, CallArgs args, AsmJSModule &module)
{
    if (module.isLinked())
        return LinkFail(cx, "As a temporary limitation, modules cannot be linked more than "
                            "once. This limitation should be removed in a future release. To "
                            "work around this, compile a second module (e.g., using the "
                            "Function constructor).");

    RootedValue globalVal(cx, UndefinedValue());
    if (args.length() > 0)
        globalVal = args[0];

    RootedValue importVal(cx, UndefinedValue());
    if (args.length() > 1)
        importVal = args[1];

    RootedValue bufferVal(cx, UndefinedValue());
    if (args.length() > 2)
        bufferVal = args[2];

    Rooted<ArrayBufferObject*> heap(cx);
    if (module.hasArrayView()) {
        if (!IsTypedArrayBuffer(bufferVal))
            return LinkFail(cx, "bad ArrayBuffer argument");

        heap = &bufferVal.toObject().as<ArrayBufferObject>();

        if (!IsPowerOfTwo(heap->byteLength()) || heap->byteLength() < AsmJSAllocationGranularity)
            return LinkFail(cx, "ArrayBuffer byteLength must be a power of two greater than or equal to 4096");

        if (!ArrayBufferObject::prepareForAsmJS(cx, heap))
            return LinkFail(cx, "Unable to prepare ArrayBuffer for asm.js use");

        module.patchHeapAccesses(heap, cx);
    }

    AutoObjectVector ffis(cx);
    if (!ffis.resize(module.numFFIs()))
        return false;

    for (unsigned i = 0; i < module.numGlobals(); i++) {
        AsmJSModule::Global &global = module.global(i);
        switch (global.which()) {
          case AsmJSModule::Global::Variable:
            if (!ValidateGlobalVariable(cx, module, global, importVal))
                return false;
            break;
          case AsmJSModule::Global::FFI:
            if (!ValidateFFI(cx, global, importVal, &ffis))
                return false;
            break;
          case AsmJSModule::Global::ArrayView:
            if (!ValidateArrayView(cx, global, globalVal, bufferVal))
                return false;
            break;
          case AsmJSModule::Global::MathBuiltin:
            if (!ValidateMathBuiltin(cx, global, globalVal))
                return false;
            break;
          case AsmJSModule::Global::Constant:
            if (!ValidateGlobalConstant(cx, global, globalVal))
                return false;
            break;
        }
    }

    for (unsigned i = 0; i < module.numExits(); i++)
        module.exitIndexToGlobalDatum(i).fun = &ffis[module.exit(i).ffiIndex()]->as<JSFunction>();

    module.setIsLinked(heap);
    return true;
}

开发者ID:matyapiro31，项目名称:instantbird-1.5，代码行数:73，代码来源:AsmJSLink.cpp

注：本文中的AsmJSModule::exit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。