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kernel/linux-rt-4.4.41/arch/um/include/asm/stacktrace.h 1.02 KB
5113f6f70   김현기   kernel add
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  #ifndef _ASM_UML_STACKTRACE_H
  #define _ASM_UML_STACKTRACE_H
  
  #include <linux/uaccess.h>
  #include <linux/ptrace.h>
  
  struct stack_frame {
  	struct stack_frame *next_frame;
  	unsigned long return_address;
  };
  
  struct stacktrace_ops {
  	void (*address)(void *data, unsigned long address, int reliable);
  };
  
  #ifdef CONFIG_FRAME_POINTER
  static inline unsigned long
  get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs)
  {
  	if (!task || task == current)
  		return segv_regs ? PT_REGS_BP(segv_regs) : current_bp();
  	return KSTK_EBP(task);
  }
  #else
  static inline unsigned long
  get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs)
  {
  	return 0;
  }
  #endif
  
  static inline unsigned long
  *get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs)
  {
  	if (!task || task == current)
  		return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp();
  	return (unsigned long *)KSTK_ESP(task);
  }
  
  void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data);
  
  #endif /* _ASM_UML_STACKTRACE_H */