frame.h revision 1.21
1 /* $NetBSD: frame.h,v 1.21 2003/09/22 14:18:37 cl Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: frame.h 1.8 92/12/20$ 36 * 37 * @(#)frame.h 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 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 * from: Utah $Hdr: frame.h 1.8 92/12/20$ 75 * 76 * @(#)frame.h 8.1 (Berkeley) 6/10/93 77 */ 78 79 #ifndef _M68K_FRAME_H_ 80 #define _M68K_FRAME_H_ 81 82 #include <m68k/cpuframe.h> 83 #include <m68k/signal.h> 84 85 #if defined(COMPAT_16) || !defined(_KERNEL) 86 /* 87 * Stack frame layout when delivering a signal. 88 */ 89 struct sigframe_sigcontext { 90 int sf_ra; /* handler return address */ 91 int sf_signum; /* signal number for handler */ 92 int sf_code; /* additional info for handler */ 93 struct sigcontext *sf_scp; /* context pointer for handler */ 94 struct sigcontext sf_sc; /* actual context */ 95 struct sigstate sf_state; /* state of the hardware */ 96 }; 97 #endif 98 99 struct sigframe_siginfo { 100 int sf_ra; /* return address for handler */ 101 int sf_signum; /* "signum" argument for handler */ 102 siginfo_t *sf_sip; /* "sip" argument for handler */ 103 ucontext_t *sf_ucp; /* "ucp" argument for handler */ 104 siginfo_t sf_si; /* actual saved siginfo */ 105 ucontext_t sf_uc; /* actual saved ucontext */ 106 }; 107 108 #if defined(_KERNEL) 109 /* 110 * Utility function to relocate the initial frame, make room to restore an 111 * exception frame and reenter the syscall. 112 */ 113 void reenter_syscall __P((struct frame *, int)) __attribute__((__noreturn__)); 114 115 /* 116 * Create an FPU "idle" frame for use by cpu_setmcontext() 117 */ 118 extern void m68k_make_fpu_idle_frame(void); 119 extern struct fpframe m68k_cached_fpu_idle_frame; 120 121 void *getframe(struct lwp *, int, int *); 122 void buildcontext(struct lwp *, void *, void *); 123 #ifdef COMPAT_16 124 void sendsig_sigcontext(ksiginfo_t *, sigset_t *); 125 #endif 126 127 #endif /* _KERNEL */ 128 129 #endif /* _M68K_FRAME_H_ */ 130
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