1#ifndef __LINUX_STACKTRACE_H
2#define __LINUX_STACKTRACE_H
3
4#ifdef CONFIG_STACKTRACE
5struct stack_trace {
6	unsigned int nr_entries, max_entries;
7	unsigned long *entries;
8};
9
10extern void save_stack_trace(struct stack_trace *trace,
11			     struct task_struct *task, int all_contexts,
12			     unsigned int skip);
13
14extern void print_stack_trace(struct stack_trace *trace, int spaces);
15#else
16# define save_stack_trace(trace, task, all, skip)	do { } while (0)
17# define print_stack_trace(trace)			do { } while (0)
18#endif
19
20#endif
21