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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/i386/include/reg.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1990 The Regents of the University of California.
    3  * All rights reserved.
    4  *
    5  * This code is derived from software contributed to Berkeley by
    6  * William Jolitz.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. All advertising materials mentioning features or use of this software
   17  *    must display the following acknowledgement:
   18  *      This product includes software developed by the University of
   19  *      California, Berkeley and its contributors.
   20  * 4. Neither the name of the University nor the names of its contributors
   21  *    may be used to endorse or promote products derived from this software
   22  *    without specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  *      from: @(#)reg.h 5.5 (Berkeley) 1/18/91
   37  * $FreeBSD: stable/3/sys/i386/include/reg.h 50582 1999-08-29 16:07:53Z peter $
   38  */
   39 
   40 #ifndef _MACHINE_REG_H_
   41 #define _MACHINE_REG_H_
   42 
   43 /*
   44  * Indices for registers in `struct trapframe' and `struct regs'.
   45  *
   46  * This interface is deprecated.  In the kernel, it is only used in FPU
   47  * emulators to convert from register numbers encoded in instructions to
   48  * register values.  Everything else just accesses the relevant struct
   49  * members.  In userland, debuggers tend to abuse this interface since
   50  * they don't understand that `struct regs' is a struct.  I hope they have
   51  * stopped accessing the registers in the trap frame via PT_{READ,WRITE}_U
   52  * and we can stop supporting the user area soon.
   53  */
   54 #define tES     (0)
   55 #define tDS     (1)
   56 #define tEDI    (2)
   57 #define tESI    (3)
   58 #define tEBP    (4)
   59 #define tISP    (5)
   60 #define tEBX    (6)
   61 #define tEDX    (7)
   62 #define tECX    (8)
   63 #define tEAX    (9)
   64 #define tERR    (11)
   65 #define tEIP    (12)
   66 #define tCS     (13)
   67 #define tEFLAGS (14)
   68 #define tESP    (15)
   69 #define tSS     (16)
   70 
   71 /*
   72  * Indices for registers in `struct regs' only.
   73  *
   74  * Some registers live in the pcb and are only in an "array" with the
   75  * other registers in application interfaces that copy all the registers
   76  * to or from a `struct regs'.
   77  */
   78 #define tFS     (17)
   79 #define tGS     (18)
   80 
   81 /*
   82  * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
   83  */
   84 struct reg {
   85         unsigned int    r_es;
   86         unsigned int    r_ds;
   87         unsigned int    r_edi;
   88         unsigned int    r_esi;
   89         unsigned int    r_ebp;
   90         unsigned int    r_isp;
   91         unsigned int    r_ebx;
   92         unsigned int    r_edx;
   93         unsigned int    r_ecx;
   94         unsigned int    r_eax;
   95         unsigned int    r_trapno;
   96         unsigned int    r_err;
   97         unsigned int    r_eip;
   98         unsigned int    r_cs;
   99         unsigned int    r_eflags;
  100         unsigned int    r_esp;
  101         unsigned int    r_ss;
  102         unsigned int    r_fs;
  103         unsigned int    r_gs;
  104 };
  105 
  106 /*
  107  * Register set accessible via /proc/$pid/fpregs.
  108  */
  109 struct fpreg {
  110         /*
  111          * XXX should get struct from npx.h.  Here we give a slightly
  112          * simplified struct.  This may be too much detail.  Perhaps
  113          * an array of unsigned longs is best.
  114          */
  115         unsigned long   fpr_env[7];
  116         unsigned char   fpr_acc[8][10];
  117         unsigned long   fpr_ex_sw;
  118         unsigned char   fpr_pad[64];
  119 };
  120 
  121 #ifdef KERNEL
  122 /*
  123  * XXX these interfaces are MI, so they should be declared in a MI place.
  124  */
  125 int     set_fpregs __P((struct proc *, struct fpreg *));
  126 int     set_regs __P((struct proc *p, struct reg *regs));
  127 void    setregs __P((struct proc *, u_long, u_long, u_long));
  128 #endif
  129 
  130 #endif /* !_MACHINE_REG_H_ */

Cache object: 8e3a36168fa1b775537086dbc1058a6a


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.