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Annotation of sys/arch/i386/include/reg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: reg.h,v 1.6 2005/04/03 20:21:44 kettenis Exp $        */
                      2: /*     $NetBSD: reg.h,v 1.14 1995/10/11 04:20:24 mycroft Exp $ */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1990 The Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley by
                      9:  * William Jolitz.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  *
                     35:  *     @(#)reg.h       5.5 (Berkeley) 1/18/91
                     36:  */
                     37:
                     38: #ifndef _I386_REG_H_
                     39: #define _I386_REG_H_
                     40:
                     41: /*
                     42:  * Location of the users' stored
                     43:  * registers within appropriate frame of 'trap' and 'syscall', relative to
                     44:  * base of stack frame.
                     45:  * Normal usage is u.u_ar0[XX] in kernel.
                     46:  */
                     47:
                     48: /* When referenced during a trap/exception, registers are at these offsets */
                     49:
                     50: #define        tES     (0)
                     51: #define        tDS     (1)
                     52: #define        tEDI    (2)
                     53: #define        tESI    (3)
                     54: #define        tEBP    (4)
                     55: #define        tEBX    (5)
                     56: #define        tEDX    (6)
                     57: #define        tECX    (7)
                     58: #define        tEAX    (8)
                     59:
                     60: #define        tEIP    (11)
                     61: #define        tCS     (12)
                     62: #define        tEFLAGS (13)
                     63: #define        tESP    (14)
                     64: #define        tSS     (15)
                     65:
                     66: /*
                     67:  * Registers accessible to ptrace(2) syscall for debugger
                     68:  * The machine-dependent code for PT_{SET,GET}REGS needs to
                     69:  * use whichever order, defined above, is correct, so that it
                     70:  * is all invisible to the user.
                     71:  */
                     72: struct reg {
                     73:        int     r_eax;
                     74:        int     r_ecx;
                     75:        int     r_edx;
                     76:        int     r_ebx;
                     77:        int     r_esp;
                     78:        int     r_ebp;
                     79:        int     r_esi;
                     80:        int     r_edi;
                     81:        int     r_eip;
                     82:        int     r_eflags;
                     83:        int     r_cs;
                     84:        int     r_ss;
                     85:        int     r_ds;
                     86:        int     r_es;
                     87:        int     r_fs;
                     88:        int     r_gs;
                     89: };
                     90:
                     91: struct fpreg {
                     92:        /*
                     93:         * XXX
                     94:         * Fill this in with real info.
                     95:         */
                     96:        char    __data[116];
                     97: };
                     98:
                     99: struct xmmregs {
                    100:        char    __data[512];
                    101: };
                    102:
                    103: #endif /* !_I386_REG_H_ */