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 int skip; /* input argument: How many entries to skip */ 9}; 10 11extern void save_stack_trace(struct stack_trace *trace); 12 13extern void print_stack_trace(struct stack_trace *trace, int spaces); 14#else 15# define save_stack_trace(trace) do { } while (0) 16# define print_stack_trace(trace, spaces) do { } while (0) 17#endif 18 19#endif