Function invokeNative

src/interpret.cpp:618–661

}

unsigned invokeNative(Thread* t, GcMethod* method)
{
  PROTECT(t, method);

  resolveNative(t, method);

  GcNative* native = getMethodRuntimeData(t, method)->native();
  if (native->fast()) {
    pushFrame(t, method);

    uint64_t result;
    {
      THREAD_RESOURCE0(t, popFrame(static_cast<Thread*>(t)));

      unsigned footprint = method->parameterFootprint();
      THREAD_RUNTIME_ARRAY(t, uintptr_t, args, footprint);
      unsigned sp = frameBase(t, t->frame);
      unsigned argOffset = 0;
      if ((method->flags() & ACC_STATIC) == 0) {
        RUNTIME_ARRAY_BODY(args)[argOffset++]
            = reinterpret_cast<uintptr_t>(peekObject(t, sp++));
      }

      marshalArguments(
          t, RUNTIME_ARRAY_BODY(args) + argOffset, 0, sp, method, true);

      if(method->returnCode() != VoidField) {
        result = reinterpret_cast<FastNativeFunction>(native->function())(
          t, method, RUNTIME_ARRAY_BODY(args));
      }
      else {
        result = 0;
        reinterpret_cast<FastVoidNativeFunction>(native->function())(
          t, method, RUNTIME_ARRAY_BODY(args));
      }
    }

    pushResult(t, method->returnCode(), result, false);

    return method->returnCode();
  } else {
    return invokeNativeSlow(t, method, native->function());
  }
}

inline void store(Thread* t, unsigned index)
{