include/linux/stacktrace.h

   1 #ifndef __LINUX_STACKTRACE_H
   2 #define __LINUX_STACKTRACE_H
   3
   4 struct task_struct;
   5
   6 #ifdef CONFIG_STACKTRACE
   7 struct task_struct;
   8
   9 struct 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
  15 extern void save_stack_trace(struct stack_trace *trace);
  16 extern void save_stack_trace_bp(struct stack_trace *trace, unsigned long bp);
  17 extern void save_stack_trace_tsk(struct task_struct *tsk,
  18                                 struct stack_trace *trace);
  19
  20 extern void print_stack_trace(struct stack_trace *trace, int spaces);
  21
  22 #ifdef CONFIG_USER_STACKTRACE_SUPPORT
  23 extern 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