| 1 | /*-
|
|---|
| 2 | * Copyright (c) 1999 Marcel Moolenaar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 9 | * notice, this list of conditions and the following disclaimer
|
|---|
| 10 | * in this position and unchanged.
|
|---|
| 11 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * 3. The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | *
|
|---|
| 28 | * $FreeBSD: src/sys/i386/include/sigframe.h,v 1.8 2002/10/25 19:10:56 peter Exp $
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 | /** @file
|
|---|
| 32 | * FreeBSD 5.1
|
|---|
| 33 | */
|
|---|
| 34 |
|
|---|
| 35 | #ifndef _MACHINE_SIGFRAME_H_
|
|---|
| 36 | #define _MACHINE_SIGFRAME_H_
|
|---|
| 37 |
|
|---|
| 38 | /*
|
|---|
| 39 | * Signal frames, arguments passed to application signal handlers.
|
|---|
| 40 | */
|
|---|
| 41 | #ifdef _KERNEL
|
|---|
| 42 | #ifdef COMPAT_43
|
|---|
| 43 | struct osigframe {
|
|---|
| 44 | /*
|
|---|
| 45 | * The first four members may be used by applications.
|
|---|
| 46 | */
|
|---|
| 47 |
|
|---|
| 48 | register_t sf_signum;
|
|---|
| 49 |
|
|---|
| 50 | /*
|
|---|
| 51 | * Either 'int' for old-style FreeBSD handler or 'siginfo_t *'
|
|---|
| 52 | * pointing to sf_siginfo for SA_SIGINFO handlers.
|
|---|
| 53 | */
|
|---|
| 54 | register_t sf_arg2;
|
|---|
| 55 |
|
|---|
| 56 | /* Points to sf_siginfo.si_sc. */
|
|---|
| 57 | register_t sf_scp;
|
|---|
| 58 |
|
|---|
| 59 | register_t sf_addr;
|
|---|
| 60 |
|
|---|
| 61 | /*
|
|---|
| 62 | * The following arguments are not constrained by the
|
|---|
| 63 | * function call protocol.
|
|---|
| 64 | * Applications are not supposed to access these members,
|
|---|
| 65 | * except using the pointers we provide in the first three
|
|---|
| 66 | * arguments.
|
|---|
| 67 | */
|
|---|
| 68 |
|
|---|
| 69 | union {
|
|---|
| 70 | __osiginfohandler_t *sf_action;
|
|---|
| 71 | __sighandler_t *sf_handler;
|
|---|
| 72 | } sf_ahu;
|
|---|
| 73 |
|
|---|
| 74 | /* In the SA_SIGINFO case, sf_arg2 points here. */
|
|---|
| 75 | osiginfo_t sf_siginfo;
|
|---|
| 76 | };
|
|---|
| 77 | #endif
|
|---|
| 78 | #ifdef COMPAT_FREEBSD4
|
|---|
| 79 | /* FreeBSD 4.x */
|
|---|
| 80 | struct sigframe4 {
|
|---|
| 81 | register_t sf_signum;
|
|---|
| 82 | register_t sf_siginfo; /* code or pointer to sf_si */
|
|---|
| 83 | register_t sf_ucontext; /* points to sf_uc */
|
|---|
| 84 | register_t sf_addr; /* undocumented 4th arg */
|
|---|
| 85 |
|
|---|
| 86 | union {
|
|---|
| 87 | __siginfohandler_t *sf_action;
|
|---|
| 88 | __sighandler_t *sf_handler;
|
|---|
| 89 | } sf_ahu;
|
|---|
| 90 | struct ucontext4 sf_uc; /* = *sf_ucontext */
|
|---|
| 91 | siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
|
|---|
| 92 | };
|
|---|
| 93 | #endif
|
|---|
| 94 | #endif
|
|---|
| 95 |
|
|---|
| 96 | struct sigframe {
|
|---|
| 97 | /*
|
|---|
| 98 | * The first four members may be used by applications.
|
|---|
| 99 | *
|
|---|
| 100 | * NOTE: The 4th argument is undocumented, ill commented
|
|---|
| 101 | * on and seems to be somewhat BSD "standard". Handlers
|
|---|
| 102 | * installed with sigvec may be using it.
|
|---|
| 103 | */
|
|---|
| 104 | register_t sf_signum;
|
|---|
| 105 | register_t sf_siginfo; /* code or pointer to sf_si */
|
|---|
| 106 | register_t sf_ucontext; /* points to sf_uc */
|
|---|
| 107 | register_t sf_addr; /* undocumented 4th arg */
|
|---|
| 108 |
|
|---|
| 109 | union {
|
|---|
| 110 | __siginfohandler_t *sf_action;
|
|---|
| 111 | __sighandler_t *sf_handler;
|
|---|
| 112 | } sf_ahu;
|
|---|
| 113 | ucontext_t sf_uc; /* = *sf_ucontext */
|
|---|
| 114 | siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
|
|---|
| 115 | };
|
|---|
| 116 |
|
|---|
| 117 | #endif /* !_MACHINE_SIGFRAME_H_ */
|
|---|
