LXR linux/include/linux/stacktrace.h

   1#ifndef __LINUX_STACKTRACE_H
   2#define __LINUX_STACKTRACE_H
   3
   4#include <linux/types.h>
   5
   6struct task_struct;
   7struct pt_regs;
   8
   9#ifdef CONFIG_STACKTRACE
  10struct task_struct;
  11
  12struct stack_trace {
  13        unsigned int nr_entries, max_entries;
  14        unsigned long *entries;
  15        int skip;       /* input argument: How many entries to skip */
  16};
  17
  18extern void save_stack_trace(struct stack_trace *trace);
  19extern void save_stack_trace_regs(struct pt_regs *regs,
  20                                  struct stack_trace *trace);
  21extern void save_stack_trace_tsk(struct task_struct *tsk,
  22                                struct stack_trace *trace);
  23
  24extern void print_stack_trace(struct stack_trace *trace, int spaces);
  25extern int snprint_stack_trace(char *buf, size_t size,
  26                        struct stack_trace *trace, int spaces);
  27
  28#ifdef CONFIG_USER_STACKTRACE_SUPPORT
  29extern void save_stack_trace_user(struct stack_trace *trace);
  30#else
  31# define save_stack_trace_user(trace)              do { } while (0)
  32#endif
  33
  34#else
  35# define save_stack_trace(trace)                        do { } while (0)
  36# define save_stack_trace_tsk(tsk, trace)               do { } while (0)
  37# define save_stack_trace_user(trace)                   do { } while (0)
  38# define print_stack_trace(trace, spaces)               do { } while (0)
  39# define snprint_stack_trace(buf, size, trace, spaces)  do { } while (0)
  40#endif
  41
  42#endif
  43