frame.h revision 1.20
1 /* $NetBSD: frame.h,v 1.20 2003/01/17 23:10:28 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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 NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1990 The Regents of the University of California. 41 * All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * William Jolitz. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * @(#)frame.h 5.2 (Berkeley) 1/18/91 75 */ 76 77 #ifndef _I386_FRAME_H_ 78 #define _I386_FRAME_H_ 79 80 #include <sys/signal.h> 81 #include <sys/sa.h> 82 83 /* 84 * System stack frames. 85 */ 86 87 /* 88 * Exception/Trap Stack Frame 89 */ 90 struct trapframe { 91 int tf_gs; 92 int tf_fs; 93 int tf_es; 94 int tf_ds; 95 int tf_edi; 96 int tf_esi; 97 int tf_ebp; 98 int tf_ebx; 99 int tf_edx; 100 int tf_ecx; 101 int tf_eax; 102 int tf_trapno; 103 /* below portion defined in 386 hardware */ 104 int tf_err; 105 int tf_eip; 106 int tf_cs; 107 int tf_eflags; 108 /* below used when transitting rings (e.g. user to kernel) */ 109 int tf_esp; 110 int tf_ss; 111 /* below used when switching out of VM86 mode */ 112 int tf_vm86_es; 113 int tf_vm86_ds; 114 int tf_vm86_fs; 115 int tf_vm86_gs; 116 }; 117 118 /* 119 * Interrupt stack frame 120 */ 121 struct intrframe { 122 int if_ppl; 123 int if_gs; 124 int if_fs; 125 int if_es; 126 int if_ds; 127 int if_edi; 128 int if_esi; 129 int if_ebp; 130 int if_ebx; 131 int if_edx; 132 int if_ecx; 133 int if_eax; 134 u_int32_t __if_trapno; /* for compat with trap frame - trapno */ 135 u_int32_t __if_err; /* for compat with trap frame - err */ 136 /* below portion defined in 386 hardware */ 137 int if_eip; 138 int if_cs; 139 int if_eflags; 140 /* below only when transitting rings (e.g. user to kernel) */ 141 int if_esp; 142 int if_ss; 143 }; 144 145 /* 146 * Stack frame inside cpu_switch() 147 */ 148 struct switchframe { 149 int sf_edi; 150 int sf_esi; 151 int sf_ebx; 152 int sf_eip; 153 }; 154 155 /* 156 * Signal frame 157 */ 158 struct sigframe { 159 int sf_ra; /* return address for handler */ 160 int sf_signum; /* "signum" argument for handler */ 161 int sf_code; /* "code" argument for handler */ 162 struct sigcontext *sf_scp; /* "scp" argument for handler */ 163 struct sigcontext sf_sc; /* actual saved context */ 164 }; 165 166 /* 167 * Scheduler activations upcall frame 168 */ 169 struct saframe { 170 int sa_ra; 171 int sa_type; 172 struct sa_t** sa_sas; 173 int sa_events; 174 int sa_interrupted; 175 void* sa_arg; 176 }; 177 178 #endif /* _I386_FRAME_H_ */ 179
Indexes created Tue Sep 23 02:09:52 GMT 2025