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kernel/linux-imx6_3.14.28/include/asm-generic/ptrace.h 1.58 KB
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  /*
   * Common low level (register) ptrace helpers
   *
   * Copyright 2004-2011 Analog Devices Inc.
   *
   * Licensed under the GPL-2 or later.
   */
  
  #ifndef __ASM_GENERIC_PTRACE_H__
  #define __ASM_GENERIC_PTRACE_H__
  
  #ifndef __ASSEMBLY__
  
  /* Helpers for working with the instruction pointer */
  #ifndef GET_IP
  #define GET_IP(regs) ((regs)->pc)
  #endif
  #ifndef SET_IP
  #define SET_IP(regs, val) (GET_IP(regs) = (val))
  #endif
  
  static inline unsigned long instruction_pointer(struct pt_regs *regs)
  {
  	return GET_IP(regs);
  }
  static inline void instruction_pointer_set(struct pt_regs *regs,
                                             unsigned long val)
  {
  	SET_IP(regs, val);
  }
  
  #ifndef profile_pc
  #define profile_pc(regs) instruction_pointer(regs)
  #endif
  
  /* Helpers for working with the user stack pointer */
  #ifndef GET_USP
  #define GET_USP(regs) ((regs)->usp)
  #endif
  #ifndef SET_USP
  #define SET_USP(regs, val) (GET_USP(regs) = (val))
  #endif
  
  static inline unsigned long user_stack_pointer(struct pt_regs *regs)
  {
  	return GET_USP(regs);
  }
  static inline void user_stack_pointer_set(struct pt_regs *regs,
                                            unsigned long val)
  {
  	SET_USP(regs, val);
  }
  
  /* Helpers for working with the frame pointer */
  #ifndef GET_FP
  #define GET_FP(regs) ((regs)->fp)
  #endif
  #ifndef SET_FP
  #define SET_FP(regs, val) (GET_FP(regs) = (val))
  #endif
  
  static inline unsigned long frame_pointer(struct pt_regs *regs)
  {
  	return GET_FP(regs);
  }
  static inline void frame_pointer_set(struct pt_regs *regs,
                                       unsigned long val)
  {
  	SET_FP(regs, val);
  }
  
  #endif /* __ASSEMBLY__ */
  
  #endif