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