Return to frame.h CVS log

Up to [local] / sys / arch / i386 / include

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

1.1       nbrk        1: /*     $OpenBSD: frame.h,v 1.8 2006/11/27 18:04:28 gwk Exp $   */
                      2: /*     $NetBSD: frame.h,v 1.12 1995/10/11 04:20:08 mycroft Exp $       */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
                      6:  * Copyright (c) 1990 The Regents of the University of California.
                      7:  * All rights reserved.
                      8:  *
                      9:  * This code is derived from software contributed to Berkeley by
                     10:  * William Jolitz.
                     11:  *
                     12:  * Redistribution and use in source and binary forms, with or without
                     13:  * modification, are permitted provided that the following conditions
                     14:  * are met:
                     15:  * 1. Redistributions of source code must retain the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer.
                     17:  * 2. Redistributions in binary form must reproduce the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer in the
                     19:  *    documentation and/or other materials provided with the distribution.
                     20:  * 3. 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:  *     @(#)frame.h     5.2 (Berkeley) 1/18/91
                     37:  */
                     38:
                     39: #ifndef _MACHINE_FRAME_H
                     40: #define _MACHINE_FRAME_H
                     41: #include <sys/signal.h>
                     42:
                     43: /*
                     44:  * System stack frames.
                     45:  */
                     46:
                     47: /*
                     48:  * Exception/Trap Stack Frame
                     49:  */
                     50: struct trapframe {
                     51:        int     tf_fs;
                     52:        int     tf_gs;
                     53:        int     tf_es;
                     54:        int     tf_ds;
                     55:        int     tf_edi;
                     56:        int     tf_esi;
                     57:        int     tf_ebp;
                     58:        int     tf_ebx;
                     59:        int     tf_edx;
                     60:        int     tf_ecx;
                     61:        int     tf_eax;
                     62:        int     tf_trapno;
                     63:        /* below portion defined in 386 hardware */
                     64:        int     tf_err;
                     65:        int     tf_eip;
                     66:        int     tf_cs;
                     67:        int     tf_eflags;
                     68:        /* below used when transitting rings (e.g. user to kernel) */
                     69:        int     tf_esp;
                     70:        int     tf_ss;
                     71:        /* below used when switching out of VM86 mode */
                     72:        int     tf_vm86_es;
                     73:        int     tf_vm86_ds;
                     74:        int     tf_vm86_fs;
                     75:        int     tf_vm86_gs;
                     76: };
                     77:
                     78: /*
                     79:  * Interrupt stack frame
                     80:  */
                     81: struct intrframe {
                     82:        int     if_ppl;
                     83:        int     if_fs;
                     84:        int     if_gs;
                     85:        int     if_es;
                     86:        int     if_ds;
                     87:        int     if_edi;
                     88:        int     if_esi;
                     89:        int     if_ebp;
                     90:        int     if_ebx;
                     91:        int     if_edx;
                     92:        int     if_ecx;
                     93:        int     if_eax;
                     94:        int     :32;            /* for compat with trap frame - trapno */
                     95:        int     :32;            /* for compat with trap frame - err */
                     96:        /* below portion defined in 386 hardware */
                     97:        int     if_eip;
                     98:        int     if_cs;
                     99:        int     if_eflags;
                    100:        /* below only when transitting rings (e.g. user to kernel) */
                    101:        int     if_esp;
                    102:        int     if_ss;
                    103: };
                    104:
                    105: /*
                    106:  * Stack frame inside cpu_switch()
                    107:  */
                    108: struct switchframe {
                    109:        int     sf_ppl;
                    110:        int     sf_edi;
                    111:        int     sf_esi;
                    112:        int     sf_ebx;
                    113:        int     sf_eip;
                    114: };
                    115:
                    116: /*
                    117:  * Signal frame
                    118:  */
                    119: struct sigframe {
                    120:        int     sf_signum;
                    121:        siginfo_t *sf_sip;
                    122:        struct  sigcontext *sf_scp;
                    123:        sig_t   sf_handler;
                    124:        struct  sigcontext sf_sc;
                    125:        siginfo_t sf_si;
                    126:        void    *sf_fpstate;
                    127: };
                    128: #endif