ptrace.h

Go to the documentation of this file.

/* MN10300 Exception frame layout and ptrace constants
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 *
 * 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 _UAPI_ASM_PTRACE_H
#define _UAPI_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

/*
 * 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;
};

/* 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

#endif /* _UAPI_ASM_PTRACE_H */