compare_stack_ips
err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);