arch/x86/include/asm/stacktrace.h

   1 #ifndef _ASM_X86_STACKTRACE_H
   2 #define _ASM_X86_STACKTRACE_H
   3
   4 extern int kstack_depth_to_print;
   5
   6 struct thread_info;
   7 struct stacktrace_ops;
   8
   9 typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
  10                                       unsigned long *stack,
  11                                       unsigned long bp,
  12                                       const struct stacktrace_ops *ops,
  13                                       void *data,
  14                                       unsigned long *end,
  15                                       int *graph);
  16
  17 extern unsigned long
  18 print_context_stack(struct thread_info *tinfo,
  19                     unsigned long *stack, unsigned long bp,
  20                     const struct stacktrace_ops *ops, void *data,
  21                     unsigned long *end, int *graph);
  22
  23 extern unsigned long
  24 print_context_stack_bp(struct thread_info *tinfo,
  25                        unsigned long *stack, unsigned long bp,
  26                        const struct stacktrace_ops *ops, void *data,
  27                        unsigned long *end, int *graph);
  28
  29 /* Generic stack tracer with callbacks */
  30
  31 struct stacktrace_ops {
  32         void (*warning)(void *data, char *msg);
  33         /* msg must contain %s for the symbol */
  34         void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
  35         void (*address)(void *data, unsigned long address, int reliable);
  36         /* On negative return stop dumping */
  37         int (*stack)(void *data, char *name);
  38         walk_stack_t    walk_stack;
  39 };
  40
  41 void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
  42                 unsigned long *stack, unsigned long bp,
  43                 const struct stacktrace_ops *ops, void *data);
  44
  45 #endif /* _ASM_X86_STACKTRACE_H */