//	testbuiltin.cpp

#include <stdio.h>

void sub()
{
	register int a, b, c;
//	int a, b, c;

	printf("\nsub\n");
	printf("frame address %016llx\n", __builtin_frame_address(0));
	printf("return address %016llx\n", __builtin_return_address(0));
	printf("frame address caller %016llx\n", __builtin_frame_address(1));
	printf("return address caller %016llx\n", __builtin_return_address(1));
	a = 1; b = 2; c = 3;
	printf("a %d, b %d, c %d\n", a,  b, c);
}

int main()
{
	int a, b, c;

	printf("frame address %016llx\n", __builtin_frame_address(0));
	printf("return address %016llx\n", __builtin_return_address(0));
	a = 1; b = 2; c = 3;
	printf("a %d, b %d, c %d\n", a,  b, c);
	sub();
	return 0;
}