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 int x86_is_stack_id(int id, char *name);
   7
   8 struct thread_info;
   9 struct stacktrace_ops;
  10
  11 typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
  12                                       unsigned long *stack,
  13                                       unsigned long bp,
  14                                       const struct stacktrace_ops *ops,
  15                                       void *data,
  16                                       unsigned long *end,
  17                                       int *graph);
  18
  19 extern unsigned long
  20 print_context_stack(struct thread_info *tinfo,
  21                     unsigned long *stack, unsigned long bp,
  22                     const struct stacktrace_ops *ops, void *data,
  23                     unsigned long *end, int *graph);
  24
  25 extern unsigned long
  26 print_context_stack_bp(struct thread_info *tinfo,
  27                        unsigned long *stack, unsigned long bp,
  28                        const struct stacktrace_ops *ops, void *data,
  29                        unsigned long *end, int *graph);
  30
  31 /* Generic stack tracer with callbacks */
  32
  33 struct stacktrace_ops {
  34         void (*warning)(void *data, char *msg);
  35         /* msg must contain %s for the symbol */
  36         void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
  37         void (*address)(void *data, unsigned long address, int reliable);
  38         /* On negative return stop dumping */
  39         int (*stack)(void *data, char *name);
  40         walk_stack_t    walk_stack;
  41 };
  42
  43 void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
  44                 unsigned long *stack, unsigned long bp,
  45                 const struct stacktrace_ops *ops, void *data);
  46
  47 #endif /* _ASM_X86_STACKTRACE_H */