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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#ifndef _ASM_PTRACE_H
#define _ASM_PTRACE_H
#include <linux/config.h>
#include <asm/isadep.h>
/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
#define FPR_BASE 32
#define PC 64
#define CAUSE 65
#define BADVADDR 66
#define MMHI 67
#define MMLO 68
#define FPC_CSR 69
#define FPC_EIR 70
/*
* This struct defines the way the registers are stored on the stack during a
* system call/exception. As usual the registers k0/k1 aren't being saved.
*/
struct pt_regs {
#ifdef CONFIG_32BIT
/* Pad bytes for argument save space on the stack. */
unsigned long pad0[6];
#endif
/* Saved main processor registers. */
unsigned long regs[32];
/* Saved special registers. */
unsigned long cp0_status;
unsigned long lo;
unsigned long hi;
unsigned long cp0_badvaddr;
unsigned long cp0_cause;
unsigned long cp0_epc;
};
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
/* #define PTRACE_GETREGS 12 */
/* #define PTRACE_SETREGS 13 */
/* #define PTRACE_GETFPREGS 14 */
/* #define PTRACE_SETFPREGS 15 */
/* #define PTRACE_GETFPXREGS 18 */
/* #define PTRACE_SETFPXREGS 19 */
#define PTRACE_OLDSETOPTIONS 21
#define PTRACE_GET_THREAD_AREA 25
#define PTRACE_SET_THREAD_AREA 26
#ifdef __KERNEL__
#include <linux/linkage.h>
/*
* Does the process account for user or for system time?
*/
#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
#define instruction_pointer(regs) ((regs)->cp0_epc)
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs *);
extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
#endif
#endif /* _ASM_PTRACE_H */
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