ObjFW  Diff

#define NUM_GPR_OUT 2
#define NUM_SSE_IN 8
#define NUM_SSE_OUT 2

struct registers {
	uint64_t gpr[NUM_GPR_IN + NUM_GPR_OUT];
	__m128 sse[NUM_SSE_IN];
	uint8_t num_sse;
};

extern void of_invocation_call(struct registers *);

void
of_invocation_invoke(OFInvocation *invocation)
{
	OFMethodSignature *methodSignature = [invocation methodSignature];
	size_t numberOfArguments = [methodSignature numberOfArguments];
	const char *typeEncoding;
	struct registers registers;
	size_t currentGPR = 0, currentSSE = 0;

	memset(&registers, '\0', sizeof(registers));

	for (size_t i = 0; i < numberOfArguments; i++) {
		union {
			uint64_t gpr;
			__m128 sse;
		} value;
		enum {

		if (valueType == VALUE_GPR) {
			if (currentGPR < NUM_GPR_IN)
				registers.gpr[currentGPR++] = value.gpr;
			else
				/* TODO */
				abort();
		} else if (valueType == VALUE_SSE) {
			if (currentSSE < NUM_SSE_IN)
			if (currentSSE < NUM_SSE_IN) {
				registers.sse[currentSSE++] = value.sse;
				registers.num_sse++;
			else
			} else
				/* TODO */
				abort();
		}
	}

	of_invocation_call(&registers);