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/* MN10300 Exception frame layout and ptrace constants
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_PTRACE_H
#define _ASM_PTRACE_H
#define PT_A3 0
#define PT_A2 1
#define PT_D3 2
#define PT_D2 3
#define PT_MCVF 4
#define PT_MCRL 5
#define PT_MCRH 6
#define PT_MDRQ 7
#define PT_E1 8
#define PT_E0 9
#define PT_E7 10
#define PT_E6 11
#define PT_E5 12
#define PT_E4 13
#define PT_E3 14
#define PT_E2 15
#define PT_SP 16
#define PT_LAR 17
#define PT_LIR 18
#define PT_MDR 19
#define PT_A1 20
#define PT_A0 21
#define PT_D1 22
#define PT_D0 23
#define PT_ORIG_D0 24
#define PT_EPSW 25
#define PT_PC 26
#define NR_PTREGS 27
#ifndef __ASSEMBLY__
/*
* This defines the way registers are stored in the event of an exception
* - the strange order is due to the MOVM instruction
*/
struct pt_regs {
unsigned long a3; /* syscall arg 3 */
unsigned long a2; /* syscall arg 4 */
unsigned long d3; /* syscall arg 5 */
unsigned long d2; /* syscall arg 6 */
unsigned long mcvf;
unsigned long mcrl;
unsigned long mcrh;
unsigned long mdrq;
unsigned long e1;
unsigned long e0;
unsigned long e7;
unsigned long e6;
unsigned long e5;
unsigned long e4;
unsigned long e3;
unsigned long e2;
unsigned long sp;
unsigned long lar;
unsigned long lir;
unsigned long mdr;
unsigned long a1;
unsigned long a0; /* syscall arg 1 */
unsigned long d1; /* syscall arg 2 */
unsigned long d0; /* syscall ret */
struct pt_regs *next; /* next frame pointer */
unsigned long orig_d0; /* syscall number */
unsigned long epsw;
unsigned long pc;
};
#endif
extern struct pt_regs *__frame; /* current frame pointer */
/* 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
/* options set using PTRACE_SETOPTIONS */
#define PTRACE_O_TRACESYSGOOD 0x00000001
#if defined(__KERNEL__)
#if !defined(__ASSEMBLY__)
#define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL)
#define instruction_pointer(regs) ((regs)->pc)
extern void show_regs(struct pt_regs *);
#endif /* !__ASSEMBLY */
#define profile_pc(regs) ((regs)->pc)
#endif /* __KERNEL__ */
#endif /* _ASM_PTRACE_H */
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