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kernel/linux-rt-4.4.41/arch/alpha/include/asm/ptrace.h 715 Bytes
5113f6f70   김현기   kernel add
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  #ifndef _ASMAXP_PTRACE_H
  #define _ASMAXP_PTRACE_H
  
  #include <uapi/asm/ptrace.h>
  
  
  #define arch_has_single_step()		(1)
  #define user_mode(regs) (((regs)->ps & 8) != 0)
  #define instruction_pointer(regs) ((regs)->pc)
  #define profile_pc(regs) instruction_pointer(regs)
  #define current_user_stack_pointer() rdusp()
  
  #define task_pt_regs(task) \
    ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)
  
  #define current_pt_regs() \
    ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
  #define signal_pt_regs current_pt_regs
  
  #define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
  
  static inline unsigned long regs_return_value(struct pt_regs *regs)
  {
  	return regs->r0;
  }
  
  #endif