NativeExecutable.cpp [plain text]
#include "config.h"
#include "NativeExecutable.h"
#include "ExecutableBaseInlines.h"
#include "JSCInlines.h"
namespace JSC {
const ClassInfo NativeExecutable::s_info = { "NativeExecutable", &ExecutableBase::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(NativeExecutable) };
NativeExecutable* NativeExecutable::create(VM& vm, Ref<JITCode>&& callThunk, TaggedNativeFunction function, Ref<JITCode>&& constructThunk, TaggedNativeFunction constructor, const String& name)
{
NativeExecutable* executable;
executable = new (NotNull, allocateCell<NativeExecutable>(vm.heap)) NativeExecutable(vm, function, constructor);
executable->finishCreation(vm, WTFMove(callThunk), WTFMove(constructThunk), name);
return executable;
}
void NativeExecutable::destroy(JSCell* cell)
{
static_cast<NativeExecutable*>(cell)->NativeExecutable::~NativeExecutable();
}
Structure* NativeExecutable::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(vm, globalObject, proto, TypeInfo(NativeExecutableType, StructureFlags), info());
}
void NativeExecutable::finishCreation(VM& vm, Ref<JITCode>&& callThunk, Ref<JITCode>&& constructThunk, const String& name)
{
Base::finishCreation(vm);
m_jitCodeForCall = WTFMove(callThunk);
m_jitCodeForConstruct = WTFMove(constructThunk);
m_jitCodeForCallWithArityCheck = m_jitCodeForCall->addressForCall(MustCheckArity);
m_jitCodeForConstructWithArityCheck = m_jitCodeForConstruct->addressForCall(MustCheckArity);
m_name = name;
assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForCall->addressForCall(ArityCheckNotRequired).executableAddress());
assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForConstruct->addressForCall(ArityCheckNotRequired).executableAddress());
assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForCallWithArityCheck.executableAddress());
assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForConstructWithArityCheck.executableAddress());
}
NativeExecutable::NativeExecutable(VM& vm, TaggedNativeFunction function, TaggedNativeFunction constructor)
: ExecutableBase(vm, vm.nativeExecutableStructure.get())
, m_function(function)
, m_constructor(constructor)
{
}
const DOMJIT::Signature* NativeExecutable::signatureFor(CodeSpecializationKind kind) const
{
ASSERT(hasJITCodeFor(kind));
return generatedJITCodeFor(kind)->signature();
}
Intrinsic NativeExecutable::intrinsic() const
{
return generatedJITCodeFor(CodeForCall)->intrinsic();
}
CodeBlockHash NativeExecutable::hashFor(CodeSpecializationKind kind) const
{
if (kind == CodeForCall)
return CodeBlockHash(bitwise_cast<uintptr_t>(m_function));
RELEASE_ASSERT(kind == CodeForConstruct);
return CodeBlockHash(bitwise_cast<uintptr_t>(m_constructor));
}
}