void unwind_stack()

in kernel/unwinder.c [60:85]

• 23 lines of code
• 6 McCabe index (conditional complexity)

void unwind_stack(void *data, unsigned long *stack,
		  void (*trace)(void *data, unsigned long addr, int reliable))
{
	unsigned long *next_fp = NULL;
	struct or1k_frameinfo *frameinfo = NULL;
	int reliable = 0;

	while (!kstack_end(stack)) {
		frameinfo = container_of(stack,
					 struct or1k_frameinfo,
					 top);

		if (__kernel_text_address(frameinfo->ra)) {
			if (or1k_frameinfo_valid(frameinfo) &&
			    (next_fp == NULL ||
			     next_fp == &frameinfo->top)) {
				reliable = 1;
				next_fp = frameinfo->fp;
			} else
				reliable = 0;

			trace(data, frameinfo->ra, reliable);
		}
		stack++;
	}
}