1 /* $NetBSD: frame.h,v 1.11 1995/05/01 14:13:26 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. 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 * @(#)frame.h 5.2 (Berkeley) 1/18/91 39 */ 40 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_es; 52 int tf_ds; 53 int tf_edi; 54 int tf_esi; 55 int tf_ebp; 56 int tf_ebx; 57 int tf_edx; 58 int tf_ecx; 59 int tf_eax; 60 int tf_trapno; 61 /* below portion defined in 386 hardware */ 62 int tf_err; 63 int tf_eip; 64 int tf_cs; 65 int tf_eflags; 66 /* below used when transitting rings (e.g. user to kernel) */ 67 int tf_esp; 68 int tf_ss; 69 /* below used when switching out of VM86 mode */ 70 int tf_vm86_es; 71 int tf_vm86_ds; 72 int tf_vm86_fs; 73 int tf_vm86_gs; 74 }; 75 76 /* Interrupt stack frame */ 77 struct intrframe { 78 int if_ppl; 79 int if_es; 80 int if_ds; 81 int if_edi; 82 int if_esi; 83 int if_ebp; 84 int if_ebx; 85 int if_edx; 86 int if_ecx; 87 int if_eax; 88 int :32; /* for compat with trap frame - trapno */ 89 int :32; /* for compat with trap frame - err */ 90 /* below portion defined in 386 hardware */ 91 int if_eip; 92 int if_cs; 93 int if_eflags; 94 /* below only when transitting rings (e.g. user to kernel) */ 95 int if_esp; 96 int if_ss; 97 }; 98 99 /* 100 * Signal frame 101 */ 102 struct sigframe { 103 int sf_signum; 104 int sf_code; 105 struct sigcontext *sf_scp; 106 sig_t sf_handler; 107 struct sigcontext sf_sc; 108 }; 109