frame.h revision 1.28
1 /* $NetBSD: frame.h,v 1.28 2007/05/17 14:51:22 yamt 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 78 /* 79 * System stack frames. 80 */ 81 82 /* 83 * Exception/Trap Stack Frame 84 */ 85 struct trapframe { 86 int tf_gs; 87 int tf_fs; 88 int tf_es; 89 int tf_ds; 90 int tf_edi; 91 int tf_esi; 92 int tf_ebp; 93 int tf_ebx; 94 int tf_edx; 95 int tf_ecx; 96 int tf_eax; 97 int tf_trapno; 98 /* below portion defined in 386 hardware */ 99 int tf_err; 100 int tf_eip; 101 int tf_cs; 102 int tf_eflags; 103 /* below used when transitting rings (e.g. user to kernel) */ 104 int tf_esp; 105 int tf_ss; 106 /* below used when switching out of VM86 mode */ 107 int tf_vm86_es; 108 int tf_vm86_ds; 109 int tf_vm86_fs; 110 int tf_vm86_gs; 111 }; 112 113 /* 114 * Interrupt stack frame 115 */ 116 struct intrframe { 117 int if_ppl; 118 int if_gs; 119 int if_fs; 120 int if_es; 121 int if_ds; 122 int if_edi; 123 int if_esi; 124 int if_ebp; 125 int if_ebx; 126 int if_edx; 127 int if_ecx; 128 int if_eax; 129 uint32_t __if_trapno; /* for compat with trap frame - trapno */ 130 uint32_t __if_err; /* for compat with trap frame - err */ 131 /* below portion defined in 386 hardware */ 132 int if_eip; 133 int if_cs; 134 int if_eflags; 135 /* below only when transitting rings (e.g. user to kernel) */ 136 int if_esp; 137 int if_ss; 138 }; 139 140 /* 141 * Stack frame inside cpu_switchto() 142 */ 143 struct switchframe { 144 int sf_edi; 145 int sf_esi; 146 int sf_ebx; 147 int sf_eip; 148 }; 149 150 #if (defined(COMPAT_16) || defined(COMPAT_IBCS2)) && defined(_KERNEL) 151 /* 152 * XXX: Really COMPAT_IBCS2 should not be using our old signal frame. 153 */ 154 /* 155 * Signal frame 156 */ 157 struct sigframe_sigcontext { 158 int sf_ra; /* return address for handler */ 159 int sf_signum; /* "signum" argument for handler */ 160 int sf_code; /* "code" argument for handler */ 161 struct sigcontext *sf_scp; /* "scp" argument for handler */ 162 struct sigcontext sf_sc; /* actual saved context */ 163 }; 164 #endif 165 166 struct sigframe_siginfo { 167 int sf_ra; /* return address for handler */ 168 int sf_signum; /* "signum" argument for handler */ 169 siginfo_t *sf_sip; /* "sip" argument for handler */ 170 ucontext_t *sf_ucp; /* "ucp" argument for handler */ 171 siginfo_t sf_si; /* actual saved siginfo */ 172 ucontext_t sf_uc; /* actual saved ucontext */ 173 }; 174 175 #ifdef _KERNEL 176 void *getframe(struct lwp *, int, int *); 177 void buildcontext(struct lwp *, int, void *, void *); 178 #ifdef COMPAT_16 179 void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *); 180 #endif 181 #endif 182 183 #endif /* _I386_FRAME_H_ */ 184
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