sys/arch/sh3/include/reg.h

   1 /*      $NetBSD: reg.h,v 1.6 2008/10/26 19:37:59 uwe Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1990 The Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * William Jolitz.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)reg.h       5.5 (Berkeley) 1/18/91
  35  */
  36
  37 #ifndef _SH3_REG_H_
  38 #define _SH3_REG_H_
  39
  40 /*
  41  * Location of the users' stored
  42  * registers within appropriate frame of 'trap' and 'syscall', relative to
  43  * base of stack frame.
  44  *
  45  * XXX
  46  * The #defines aren't used in the kernel, but some user-level code still
  47  * expects them.
  48  */
  49
  50 /* When referenced during a trap/exception, registers are at these offsets */
  51
  52 #define tSPC    (0)
  53 #define tSSR    (1)
  54 #define tPR     (2)
  55 #define tR14    (3)
  56 #define tR13    (4)
  57 #define tR12    (5)
  58 #define tR11    (6)
  59 #define tR10    (7)
  60 #define tR9     (8)
  61
  62 #define tR8     (11)
  63 #define tR7     (12)
  64 #define tR6     (13)
  65 #define tR5     (14)
  66 #define tR4     (15)
  67 #define tR3     (16)
  68 #define tR2     (17)
  69 #define tR1     (18)
  70 #define tR0     (19)
  71
  72 /*
  73  * Registers accessible to ptrace(2) syscall for debugger
  74  * The machine-dependent code for PT_{SET,GET}REGS needs to
  75  * use whichever order, defined above, is correct, so that it
  76  * is all invisible to the user.
  77  */
  78 struct reg {
  79         int r_spc;
  80         int r_ssr;
  81         int r_pr;
  82         int r_mach;
  83         int r_macl;
  84         int r_r15;
  85         int r_r14;
  86         int r_r13;
  87         int r_r12;
  88         int r_r11;
  89         int r_r10;
  90         int r_r9;
  91         int r_r8;
  92         int r_r7;
  93         int r_r6;
  94         int r_r5;
  95         int r_r4;
  96         int r_r3;
  97         int r_r2;
  98         int r_r1;
  99         int r_r0;
 100         int r_gbr;
 101 };
 102
 103
 104 /*
 105  * Old struct reg that is missing r_gbr.  Compat ptrace(2) requests
 106  * are renamed to PT___GETREGS40 and PT___SETREGS40.
 107  */
 108 struct __reg40 {
 109         int r_spc;
 110         int r_ssr;
 111         int r_pr;
 112         int r_mach;
 113         int r_macl;
 114         int r_r15;
 115         int r_r14;
 116         int r_r13;
 117         int r_r12;
 118         int r_r11;
 119         int r_r10;
 120         int r_r9;
 121         int r_r8;
 122         int r_r7;
 123         int r_r6;
 124         int r_r5;
 125         int r_r4;
 126         int r_r3;
 127         int r_r2;
 128         int r_r1;
 129         int r_r0;
 130 };
 131
 132 #endif /* !_SH3_REG_H_ */