static bool
ValidateAtomicsBuiltinFunction(JSContext *cx, AsmJSModule::Global &global, HandleValue globalVal)
{
RootedValue v(cx);
if (!GetDataProperty(cx, globalVal, cx->names().Atomics, &v))
return false;
RootedPropertyName field(cx, global.atomicsName());
if (!GetDataProperty(cx, v, field, &v))
return false;
Native native = nullptr;
switch (global.atomicsBuiltinFunction()) {
case AsmJSAtomicsBuiltin_compareExchange: native = atomics_compareExchange; break;
case AsmJSAtomicsBuiltin_load: native = atomics_load; break;
case AsmJSAtomicsBuiltin_store: native = atomics_store; break;
case AsmJSAtomicsBuiltin_fence: native = atomics_fence; break;
case AsmJSAtomicsBuiltin_add: native = atomics_add; break;
case AsmJSAtomicsBuiltin_sub: native = atomics_sub; break;
case AsmJSAtomicsBuiltin_and: native = atomics_and; break;
case AsmJSAtomicsBuiltin_or: native = atomics_or; break;
case AsmJSAtomicsBuiltin_xor: native = atomics_xor; break;
}
if (!IsNativeFunction(v, native))
return LinkFail(cx, "bad Atomics.* builtin function");
return true;
}
