static void __dump()

in kernel/traps.c [57:93]

• 36 lines of code
• 10 McCabe index (conditional complexity)

static void __dump(struct task_struct *tsk, unsigned long *base_reg,
		   const char *loglvl)
{
	unsigned long ret_addr;
	int cnt = LOOP_TIMES, graph = 0;
	printk("%sCall Trace:\n", loglvl);
	if (!IS_ENABLED(CONFIG_FRAME_POINTER)) {
		while (!kstack_end(base_reg)) {
			ret_addr = *base_reg++;
			if (__kernel_text_address(ret_addr)) {
				ret_addr = ftrace_graph_ret_addr(
						tsk, &graph, ret_addr, NULL);
				print_ip_sym(loglvl, ret_addr);
			}
			if (--cnt < 0)
				break;
		}
	} else {
		while (!kstack_end((void *)base_reg) &&
		       !((unsigned long)base_reg & 0x3) &&
		       ((unsigned long)base_reg >= TASK_SIZE)) {
			unsigned long next_fp;
			ret_addr = base_reg[LP_OFFSET];
			next_fp = base_reg[FP_OFFSET];
			if (__kernel_text_address(ret_addr)) {

				ret_addr = ftrace_graph_ret_addr(
						tsk, &graph, ret_addr, NULL);
				print_ip_sym(loglvl, ret_addr);
			}
			if (--cnt < 0)
				break;
			base_reg = (unsigned long *)next_fp;
		}
	}
	printk("%s\n", loglvl);
}