include/linux/stacktrace.h

   1 #ifndef __LINUX_STACKTRACE_H
   2 #define __LINUX_STACKTRACE_H
   3
   4 #ifdef CONFIG_STACKTRACE
   5 struct 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
  11 extern void save_stack_trace(struct stack_trace *trace);
  12 extern void save_stack_trace_tsk(struct task_struct *tsk,
  13                                 struct stack_trace *trace);
  14
  15 extern void print_stack_trace(struct stack_trace *trace, int spaces);
  16 #else
  17 # define save_stack_trace(trace)                        do { } while (0)
  18 # define save_stack_trace_tsk(tsk, trace)               do { } while (0)
  19 # define print_stack_trace(trace, spaces)               do { } while (0)
  20 #endif
  21
  22 #endif