The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/mips/include/reg.h

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    1 /*      $OpenBSD: reg.h,v 1.1 1998/01/28 11:14:53 pefo Exp $    */
    2 
    3 /*-
    4  * SPDX-License-Identifier: BSD-3-Clause
    5  *
    6  * Copyright (c) 1988 University of Utah.
    7  * Copyright (c) 1992, 1993
    8  *      The Regents of the University of California.  All rights reserved.
    9  *
   10  * This code is derived from software contributed to Berkeley by
   11  * the Systems Programming Group of the University of Utah Computer
   12  * Science Department and Ralph Campbell.
   13  *
   14  * Redistribution and use in source and binary forms, with or without
   15  * modification, are permitted provided that the following conditions
   16  * are met:
   17  * 1. Redistributions of source code must retain the above copyright
   18  *    notice, this list of conditions and the following disclaimer.
   19  * 2. Redistributions in binary form must reproduce the above copyright
   20  *    notice, this list of conditions and the following disclaimer in the
   21  *    documentation and/or other materials provided with the distribution.
   22  * 3. Neither the name of the University nor the names of its contributors
   23  *    may be used to endorse or promote products derived from this software
   24  *    without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   36  * SUCH DAMAGE.
   37  *
   38  *      from: Utah Hdr: reg.h 1.1 90/07/09
   39  *      @(#)reg.h       8.2 (Berkeley) 1/11/94
   40  *      JNPR: reg.h,v 1.6 2006/09/15 12:52:34 katta
   41  * $FreeBSD$
   42  */
   43 
   44 #ifndef _MACHINE_REG_H_
   45 #define _MACHINE_REG_H_
   46 
   47 /*
   48  * Location of the users' stored registers relative to ZERO.
   49  * must be visible to assembly code.
   50  */
   51 #include <machine/regnum.h>
   52 
   53 /*
   54  * Register set accessible via /proc/$pid/reg
   55  */
   56 struct reg {
   57         register_t r_regs[NUMSAVEREGS]; /* numbered as above */
   58 };
   59 
   60 struct fpreg {
   61         f_register_t r_regs[NUMFPREGS];
   62 };
   63 
   64 /*
   65  * Placeholder.
   66  */
   67 struct dbreg {
   68         unsigned long junk;
   69 };
   70 
   71 #ifdef __LP64__
   72 /* Must match struct trapframe */
   73 struct reg32 {
   74         uint32_t r_regs[NUMSAVEREGS];
   75 };
   76 
   77 struct fpreg32 {
   78         int32_t r_regs[NUMFPREGS];
   79 };
   80 
   81 struct dbreg32 {
   82         uint32_t junk;
   83 };
   84 
   85 #define __HAVE_REG32
   86 #endif
   87 
   88 #ifdef _KERNEL
   89 int     fill_fpregs(struct thread *, struct fpreg *);
   90 int     fill_regs(struct thread *, struct reg *);
   91 int     set_fpregs(struct thread *, struct fpreg *);
   92 int     set_regs(struct thread *, struct reg *);
   93 int     fill_dbregs(struct thread *, struct dbreg *);
   94 int     set_dbregs(struct thread *, struct dbreg *);
   95 #endif
   96 
   97 #ifdef COMPAT_FREEBSD32
   98 struct image_params;
   99 
  100 int     fill_regs32(struct thread *, struct reg32 *);
  101 int     set_regs32(struct thread *, struct reg32 *);
  102 int     fill_fpregs32(struct thread *, struct fpreg32 *);
  103 int     set_fpregs32(struct thread *, struct fpreg32 *);
  104 
  105 #define fill_dbregs32(td, reg)  0
  106 #define set_dbregs32(td, reg)   0
  107 #endif
  108 
  109 #endif /* !_MACHINE_REG_H_ */

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