include/asm-mips/ptrace.h

   1 /* $Id: ptrace.h,v 1.3 1998/07/09 21:45:21 ralf Exp $
   2  *
   3  * This file is subject to the terms and conditions of the GNU General Public
   4  * License.  See the file "COPYING" in the main directory of this archive
   5  * for more details.
   6  *
   7  * Copyright (C) 1994, 1995, 1996, 1997, 1998 by Ralf Baechle
   8  *
   9  * Machine dependent structs and defines to help the user use
  10  * the ptrace system call.
  11  */
  12 #ifndef __ASM_MIPS_PTRACE_H
  13 #define __ASM_MIPS_PTRACE_H
  14
  15 #include <linux/types.h>
  16
  17 /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
  18 #define FPR_BASE        32
  19 #define PC              64
  20 #define CAUSE           65
  21 #define BADVADDR        66
  22 #define MMHI            67
  23 #define MMLO            68
  24 #define FPC_CSR         69
  25 #define FPC_EIR         70
  26
  27 #ifndef __ASSEMBLY__
  28 /*
  29  * This struct defines the way the registers are stored on the stack during a
  30  * system call/exception. As usual the registers k0/k1 aren't being saved.
  31  */
  32 struct pt_regs {
  33         /* Pad bytes for argument save space on the stack. */
  34         unsigned long pad0[6];
  35
  36         /* Saved main processor registers. */
  37         unsigned long regs[32];
  38
  39         /* Other saved registers. */
  40         unsigned long lo;
  41         unsigned long hi;
  42
  43         /*
  44          * saved cp0 registers
  45          */
  46         unsigned long cp0_epc;
  47         unsigned long cp0_badvaddr;
  48         unsigned long cp0_status;
  49         unsigned long cp0_cause;
  50 };
  51
  52 #endif /* !(__ASSEMBLY__) */
  53
  54 #include <asm/offset.h>
  55
  56 #ifdef __KERNEL__
  57
  58 #ifndef __ASSEMBLY__
  59 /*
  60  * Does the process account for user or for system time?
  61  */
  62 extern int (*user_mode)(struct pt_regs *);
  63
  64 #define instruction_pointer(regs) ((regs)->cp0_epc)
  65
  66 extern void (*show_regs)(struct pt_regs *);
  67 #endif /* !(__ASSEMBLY__) */
  68
  69 #endif
  70
  71 #endif /* __ASM_MIPS_PTRACE_H */