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 #ifndef _MACHINE_FRAME_H_ 41 #define _MACHINE_FRAME_H_ 1 42 43 #include <sys/signal.h> 44 45 /* 46 * System stack frames. 47 */ 48 49 /* 50 * Exception/Trap Stack Frame 51 */ 52 53 struct trapframe { 54 int tf_es; 55 int tf_ds; 56 int tf_edi; 57 int tf_esi; 58 int tf_ebp; 59 int tf_isp; 60 int tf_ebx; 61 int tf_edx; 62 int tf_ecx; 63 int tf_eax; 64 int tf_trapno; 65 /* below portion defined in 386 hardware */ 66 int tf_err; 67 int tf_eip; 68 int tf_cs; 69 int tf_eflags; 70 /* below only when crossing rings (e.g. user to kernel) */ 71 int tf_esp; 72 int tf_ss; 73 }; 74 75 /* Interrupt stack frame */ 76 77 struct intrframe { 78 int if_vec; 79 int if_ppl; 80 int if_es; 81 int if_ds; 82 int if_edi; 83 int if_esi; 84 int if_ebp; 85 int :32; 86 int if_ebx; 87 int if_edx; 88 int if_ecx; 89 int if_eax; 90 int :32; /* for compat with trap frame - trapno */ 91 int :32; /* for compat with trap frame - err */ 92 /* below portion defined in 386 hardware */ 93 int if_eip; 94 int if_cs; 95 int if_eflags; 96 /* below only when crossing rings (e.g. user to kernel) */ 97 int if_esp; 98 int if_ss; 99 }; 100 101 /* frame of clock (same as interrupt frame) */ 102 103 struct clockframe { 104 int cf_vec; 105 int cf_ppl; 106 int cf_es; 107 int cf_ds; 108 int cf_edi; 109 int cf_esi; 110 int cf_ebp; 111 int :32; 112 int cf_ebx; 113 int cf_edx; 114 int cf_ecx; 115 int cf_eax; 116 int :32; /* for compat with trap frame - trapno */ 117 int :32; /* for compat with trap frame - err */ 118 /* below portion defined in 386 hardware */ 119 int cf_eip; 120 int cf_cs; 121 int cf_eflags; 122 /* below only when crossing rings (e.g. user to kernel) */ 123 int cf_esp; 124 int cf_ss; 125 }; 126 127 /* 128 * Signal frame 129 */ 130 struct sigframe { 131 int sf_signum; 132 int sf_code; 133 struct sigcontext *sf_scp; 134 char *sf_addr; 135 sig_t sf_handler; 136 struct sigcontext sf_sc; 137 }; 138 139 int kdb_trap __P((int, int, struct trapframe *)); 140 extern int (*pmath_emulate) __P((struct trapframe *)); 141 142 #endif /* _MACHINE_FRAME_H_ */ 143