text: #ifndef __ASM_SH_PTRACE_H
  #define __ASM_SH_PTRACE_H
  
  #include <asm/processor.h>
  #include <asm/ubc.h>
  
  /*
   * Copyright (C) 1999, 2000  Niibe Yutaka
   *
   */
  
  /*
   * GCC defines register number like this:
   * -----------------------------
   *	 0 - 15 are integer registers
   *	17 - 22 are control/special registers
   *	24 - 39 fp registers
   *	40 - 47 xd registers
   *	48 -    fpscr register
   * -----------------------------
   *
   * We follows above, except:
   *	16 --- program counter (PC)
   *	22 --- expevt # (Exception Event Number)
   *	23 --- floating point communication register
   */
  #define REG_REG0	 0
  #define REG_REG15	15
  
  #define REG_PC		16
  
  #define REG_PR		17
  #define REG_SR		18
  #define REG_GBR      	19
  #define REG_MACH	20
  #define REG_MACL	21
  
  #define REG_EXPEVT	22
  
  #define REG_FPREG0	23
  #define REG_FPREG15	38
  #define REG_XFREG0	39
  #define REG_XFREG15	54
  
  #define REG_FPSCR	55
  #define REG_FPUL	56
  
  #define PTRACE_SETOPTIONS         21
  
  /* options set using PTRACE_SETOPTIONS */
  #define PTRACE_O_TRACESYSGOOD     0x00000001
  
  /*
   * This struct defines the way the registers are stored on the
   * kernel stack during a system call or other kernel entry.
   */
  struct pt_regs {
  	unsigned long regs[16];
  	unsigned long pc;
  	unsigned long pr;
  	unsigned long sr;
  	unsigned long gbr;
  	unsigned long mach;
  	unsigned long macl;
  	unsigned long expevt;
  };
  
  /*
   * This struct defines the way the DSP registers are stored on the
   * kernel stack during a system call or other kernel entry.
   */
  struct pt_dspregs {
  	unsigned long	a1;
  	unsigned long	a0g;
  	unsigned long	a1g;
  	unsigned long	m0;
  	unsigned long	m1;
  	unsigned long	a0;
  	unsigned long	x0;
  	unsigned long	x1;
  	unsigned long	y0;
  	unsigned long	y1;
  	unsigned long	dsr;
  	unsigned long	rs;
  	unsigned long	re;
  	unsigned long	mod;
  };
  
  #define	PTRACE_GETDSPREGS	55
  #define	PTRACE_SETDSPREGS	56
  
  #ifdef __KERNEL__
  #define user_mode(regs) (((regs)->sr & 0x40000000)==0)
  #define instruction_pointer(regs) ((regs)->pc)
  extern void show_regs(struct pt_regs *);
  #endif
  
  #endif /* __ASM_SH_PTRACE_H */
  