include/asm-sh/ptrace.h

   1 #ifndef __ASM_SH_PTRACE_H
   2 #define __ASM_SH_PTRACE_H
   3
   4 #include <asm/processor.h>
   5 #include <asm/ubc.h>
   6
   7 /*
   8  * Copyright (C) 1999, 2000  Niibe Yutaka
   9  *
  10  */
  11
  12 /*
  13  * GCC defines register number like this:
  14  * -----------------------------
  15  *       0 - 15 are integer registers
  16  *      17 - 22 are control/special registers
  17  *      24 - 39 fp registers
  18  *      40 - 47 xd registers
  19  *      48 -    fpscr register
  20  * -----------------------------
  21  *
  22  * We follows above, except:
  23  *      16 --- program counter (PC)
  24  *      22 --- syscall #
  25  *      23 --- floating point communication register
  26  */
  27 #define REG_REG0         0
  28 #define REG_REG15       15
  29
  30 #define REG_PC          16
  31
  32 #define REG_PR          17
  33 #define REG_SR          18
  34 #define REG_GBR         19
  35 #define REG_MACH        20
  36 #define REG_MACL        21
  37
  38 #define REG_SYSCALL     22
  39
  40 #define REG_FPUL        23
  41
  42 #define REG_FPREG0      24
  43 #define REG_FPREG15     39
  44 #define REG_XDREG0      40
  45 #define REG_XDREG14     47
  46 #define REG_FPSCR       48
  47
  48 /* options set using PTRACE_SETOPTIONS */
  49 #define PTRACE_O_TRACESYSGOOD     0x00000001
  50
  51 /*
  52  * This struct defines the way the registers are stored on the
  53  * kernel stack during a system call or other kernel entry.
  54  */
  55 struct pt_regs {
  56         unsigned long regs[16];
  57         unsigned long pc;
  58         unsigned long pr;
  59         unsigned long sr;
  60         unsigned long gbr;
  61         unsigned long mach;
  62         unsigned long macl;
  63         long tra;
  64 };
  65
  66 #ifdef __KERNEL__
  67 #define user_mode(regs) (((regs)->sr & 0x40000000)==0)
  68 #define instruction_pointer(regs) ((regs)->pc)
  69 extern void show_regs(struct pt_regs *);
  70 #endif
  71
  72 #endif /* __ASM_SH_PTRACE_H */