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 task_struct;
   8
   9struct stack_trace {
  10        unsigned int nr_entries, max_entries;
  11        unsigned long *entries;
  12        int skip;       /* input argument: How many entries to skip */
  13};
  14
  15extern void save_stack_trace(struct stack_trace *trace);
  16extern void save_stack_trace_bp(struct stack_trace *trace, unsigned long bp);
  17extern void save_stack_trace_tsk(struct task_struct *tsk,
  18                                struct stack_trace *trace);
  19
  20extern void print_stack_trace(struct stack_trace *trace, int spaces);
  21
  22#ifdef CONFIG_USER_STACKTRACE_SUPPORT
  23extern void save_stack_trace_user(struct stack_trace *trace);
  24#else
  25# define save_stack_trace_user(trace)              do { } while (0)
  26#endif
  27
  28#else
  29# define save_stack_trace(trace)                        do { } while (0)
  30# define save_stack_trace_tsk(tsk, trace)               do { } while (0)
  31# define save_stack_trace_user(trace)                   do { } while (0)
  32# define print_stack_trace(trace, spaces)               do { } while (0)
  33#endif
  34
  35#endif
  36