frame.h revision 557
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: @(#)frame.h 5.2 (Berkeley) 1/18/91 37 * $Id$ 38 */ 39 40#include <sys/signal.h> 41 42/* 43 * System stack frames. 44 */ 45 46/* 47 * Exception/Trap Stack Frame 48 */ 49 50struct trapframe { 51 int tf_es; 52 int tf_ds; 53 int tf_edi; 54 int tf_esi; 55 int tf_ebp; 56 int tf_isp; 57 int tf_ebx; 58 int tf_edx; 59 int tf_ecx; 60 int tf_eax; 61 int tf_trapno; 62 /* below portion defined in 386 hardware */ 63 int tf_err; 64 int tf_eip; 65 int tf_cs; 66 int tf_eflags; 67 /* below only when transitting rings (e.g. user to kernel) */ 68 int tf_esp; 69 int tf_ss; 70}; 71 72/* Interrupt stack frame */ 73 74struct intrframe { 75 int if_vec; 76 int if_ppl; 77 int if_es; 78 int if_ds; 79 int if_edi; 80 int if_esi; 81 int if_ebp; 82 int :32; 83 int if_ebx; 84 int if_edx; 85 int if_ecx; 86 int if_eax; 87 int :32; /* for compat with trap frame - trapno */ 88 int :32; /* for compat with trap frame - err */ 89 /* below portion defined in 386 hardware */ 90 int if_eip; 91 int if_cs; 92 int if_eflags; 93 /* below only when transitting rings (e.g. user to kernel) */ 94 int if_esp; 95 int if_ss; 96}; 97 98/* 99 * Signal frame 100 */ 101struct sigframe { 102 int sf_signum; 103 int sf_code; 104 struct sigcontext *sf_scp; 105 sig_t sf_handler; 106 int sf_eax; 107 int sf_edx; 108 int sf_ecx; 109 struct sigcontext sf_sc; 110} ; 111 112/* 113 * Call Gate/System Call Stack Frame 114 */ 115 116struct syscframe { 117 int sf_edi; 118 int sf_esi; 119 int sf_ebp; 120 int :32; /* redundant save of isp */ 121 int sf_ebx; 122 int sf_edx; 123 int sf_ecx; 124 int sf_eax; 125 int sf_eflags; 126 /* below portion defined in 386 hardware */ 127/* int sf_args[N]; /* if call gate copy args enabled!*/ 128 int sf_eip; 129 int sf_cs; 130 /* below only when transitting rings (e.g. user to kernel) */ 131 int sf_esp; 132 int sf_ss; 133}; 134