root/include/asm-mn10300/ptrace.h

INCLUDED FROM

/* 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 */