LXR linux/include/linux/stacktrace.h

   1#ifndef __LINUX_STACKTRACE_H
   2#define __LINUX_STACKTRACE_H
   3
   4struct task_struct;
   5
   6#ifdef CONFIG_STACKTRACE
   7struct stack_trace {
   8        unsigned int nr_entries, max_entries;
   9        unsigned long *entries;
  10        int skip;       /* input argument: How many entries to skip */
  11};
  12
  13extern void save_stack_trace(struct stack_trace *trace);
  14extern void save_stack_trace_tsk(struct task_struct *tsk,
  15                                struct stack_trace *trace);
  16
  17extern void print_stack_trace(struct stack_trace *trace, int spaces);
  18
  19#ifdef CONFIG_USER_STACKTRACE_SUPPORT
  20extern void save_stack_trace_user(struct stack_trace *trace);
  21#else
  22# define save_stack_trace_user(trace)              do { } while (0)
  23#endif
  24
  25#else
  26# define save_stack_trace(trace)                        do { } while (0)
  27# define save_stack_trace_tsk(tsk, trace)               do { } while (0)
  28# define save_stack_trace_user(trace)                   do { } while (0)
  29# define print_stack_trace(trace, spaces)               do { } while (0)
  30#endif
  31
  32#endif
  33