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