arch/sh/include/asm/ptrace_32.h

   1 #ifndef __ASM_SH_PTRACE_32_H
   2 #define __ASM_SH_PTRACE_32_H
   3
   4 /*
   5  * GCC defines register number like this:
   6  * -----------------------------
   7  *       0 - 15 are integer registers
   8  *      17 - 22 are control/special registers
   9  *      24 - 39 fp registers
  10  *      40 - 47 xd registers
  11  *      48 -    fpscr register
  12  * -----------------------------
  13  *
  14  * We follows above, except:
  15  *      16 --- program counter (PC)
  16  *      22 --- syscall #
  17  *      23 --- floating point communication register
  18  */
  19 #define REG_REG0         0
  20 #define REG_REG15       15
  21
  22 #define REG_PC          16
  23
  24 #define REG_PR          17
  25 #define REG_SR          18
  26 #define REG_GBR         19
  27 #define REG_MACH        20
  28 #define REG_MACL        21
  29
  30 #define REG_SYSCALL     22
  31
  32 #define REG_FPREG0      23
  33 #define REG_FPREG15     38
  34 #define REG_XFREG0      39
  35 #define REG_XFREG15     54
  36
  37 #define REG_FPSCR       55
  38 #define REG_FPUL        56
  39
  40 /*
  41  * This struct defines the way the registers are stored on the
  42  * kernel stack during a system call or other kernel entry.
  43  */
  44 struct pt_regs {
  45         unsigned long regs[16];
  46         unsigned long pc;
  47         unsigned long pr;
  48         unsigned long sr;
  49         unsigned long gbr;
  50         unsigned long mach;
  51         unsigned long macl;
  52         long tra;
  53 };
  54
  55 /*
  56  * This struct defines the way the DSP registers are stored on the
  57  * kernel stack during a system call or other kernel entry.
  58  */
  59 struct pt_dspregs {
  60         unsigned long   a1;
  61         unsigned long   a0g;
  62         unsigned long   a1g;
  63         unsigned long   m0;
  64         unsigned long   m1;
  65         unsigned long   a0;
  66         unsigned long   x0;
  67         unsigned long   x1;
  68         unsigned long   y0;
  69         unsigned long   y1;
  70         unsigned long   dsr;
  71         unsigned long   rs;
  72         unsigned long   re;
  73         unsigned long   mod;
  74 };
  75
  76 #ifdef __KERNEL__
  77
  78 #define MAX_REG_OFFSET          offsetof(struct pt_regs, tra)
  79 static inline long regs_return_value(struct pt_regs *regs)
  80 {
  81         return regs->regs[0];
  82 }
  83
  84 #endif /* __KERNEL__ */
  85
  86 #endif /* __ASM_SH_PTRACE_32_H */