frame.h revision 1.23
1 /* $NetBSD: frame.h,v 1.23 2003/09/10 16:48:16 christos 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. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)frame.h 5.2 (Berkeley) 1/18/91 71 */ 72 73 #ifndef _I386_FRAME_H_ 74 #define _I386_FRAME_H_ 75 76 #include <sys/signal.h> 77 #include <sys/sa.h> 78 79 /* 80 * System stack frames. 81 */ 82 83 /* 84 * Exception/Trap Stack Frame 85 */ 86 struct trapframe { 87 int tf_gs; 88 int tf_fs; 89 int tf_es; 90 int tf_ds; 91 int tf_edi; 92 int tf_esi; 93 int tf_ebp; 94 int tf_ebx; 95 int tf_edx; 96 int tf_ecx; 97 int tf_eax; 98 int tf_trapno; 99 /* below portion defined in 386 hardware */ 100 int tf_err; 101 int tf_eip; 102 int tf_cs; 103 int tf_eflags; 104 /* below used when transitting rings (e.g. user to kernel) */ 105 int tf_esp; 106 int tf_ss; 107 /* below used when switching out of VM86 mode */ 108 int tf_vm86_es; 109 int tf_vm86_ds; 110 int tf_vm86_fs; 111 int tf_vm86_gs; 112 }; 113 114 /* 115 * Interrupt stack frame 116 */ 117 struct intrframe { 118 int if_ppl; 119 int if_gs; 120 int if_fs; 121 int if_es; 122 int if_ds; 123 int if_edi; 124 int if_esi; 125 int if_ebp; 126 int if_ebx; 127 int if_edx; 128 int if_ecx; 129 int if_eax; 130 u_int32_t __if_trapno; /* for compat with trap frame - trapno */ 131 u_int32_t __if_err; /* for compat with trap frame - err */ 132 /* below portion defined in 386 hardware */ 133 int if_eip; 134 int if_cs; 135 int if_eflags; 136 /* below only when transitting rings (e.g. user to kernel) */ 137 int if_esp; 138 int if_ss; 139 }; 140 141 /* 142 * Stack frame inside cpu_switch() 143 */ 144 struct switchframe { 145 int sf_edi; 146 int sf_esi; 147 int sf_ebx; 148 int sf_eip; 149 }; 150 151 #if (defined(COMPAT_16) || defined(COMPAT_IBCS2)) && defined(_KERNEL) 152 /* 153 * XXX: Really COMPAT_IBCS2 should not be using our old signal frame. 154 */ 155 /* 156 * Signal frame 157 */ 158 struct sigframe_sigcontext { 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 #endif 166 167 struct sigframe_siginfo { 168 int sf_ra; /* return address for handler */ 169 int sf_signum; /* "signum" argument for handler */ 170 siginfo_t *sf_sip; /* "sip" argument for handler */ 171 ucontext_t *sf_ucp; /* "ucp" argument for handler */ 172 siginfo_t sf_si; /* actual saved siginfo */ 173 ucontext_t sf_uc; /* actual saved ucontext */ 174 }; 175 176 /* 177 * Scheduler activations upcall frame 178 */ 179 struct saframe { 180 int sa_ra; 181 int sa_type; 182 struct sa_t** sa_sas; 183 int sa_events; 184 int sa_interrupted; 185 void* sa_arg; 186 }; 187 188 #ifdef _KERNEL 189 void *getframe(struct lwp *, int, int *); 190 void buildcontext(struct lwp *, int, void *, void *); 191 #endif 192 193 #endif /* _I386_FRAME_H_ */ 194
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