1 /* $NetBSD: freebsd_machdep.h,v 1.13 2014/02/12 23:24:09 dsl Exp $ */ 2 3 /* 4 * Copyright (c) 1986, 1989, 1991, 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 * William Jolitz. 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)signal.h 8.1 (Berkeley) 6/11/93 35 * from: Id: signal.h,v 1.4 1994/08/21 04:55:30 paul Exp 36 * 37 * from: @(#)frame.h 5.2 (Berkeley) 1/18/91 38 * from: Id: frame.h,v 1.10 1995/03/16 18:11:42 bde Exp 39 */ 40 #ifndef _FREEBSD_MACHDEP_H 41 #define _FREEBSD_MACHDEP_H 42 43 #include <compat/sys/sigtypes.h> 44 45 /* 46 * signal support 47 */ 48 49 struct freebsd_osigcontext { 50 int sc_onstack; /* sigstack state to restore */ 51 sigset13_t sc_mask; /* signal mask to restore */ 52 int sc_esp; /* machine state */ 53 int sc_ebp; 54 int sc_isp; 55 int sc_eip; 56 int sc_eflags; 57 int sc_es; 58 int sc_ds; 59 int sc_cs; 60 int sc_ss; 61 int sc_edi; 62 int sc_esi; 63 int sc_ebx; 64 int sc_edx; 65 int sc_ecx; 66 int sc_eax; 67 }; 68 69 /* 70 * The sequence of the fields/registers in struct sigcontext should match 71 * those in mcontext_t. 72 */ 73 struct freebsd_sigcontext { 74 sigset_t sc_mask; /* signal mask to restore */ 75 int sc_onstack; /* sigstack state to restore */ 76 int sc_gs; /* machine state (struct trapframe): */ 77 int sc_fs; 78 int sc_es; 79 int sc_ds; 80 int sc_edi; 81 int sc_esi; 82 int sc_ebp; 83 int sc_isp; 84 int sc_ebx; 85 int sc_edx; 86 int sc_ecx; 87 int sc_eax; 88 int sc_trapno; 89 int sc_err; 90 int sc_eip; 91 int sc_cs; 92 int sc_efl; 93 int sc_esp; 94 int sc_ss; 95 /* 96 * XXX FPU state is 27 * 4 bytes h/w, 1 * 4 bytes s/w (probably not 97 * needed here), or that + 16 * 4 bytes for emulators (probably all 98 * needed here). The "spare" bytes are mostly not spare. 99 */ 100 int sc_fpregs[28]; /* machine state (FPU): */ 101 int sc_spare[17]; 102 }; 103 104 struct freebsd_sigframe { 105 int sf_signum; 106 int sf_code; 107 struct freebsd_sigcontext *sf_scp; 108 char *sf_addr; 109 sig_t sf_handler; 110 struct freebsd_sigcontext sf_sc; 111 }; 112 113 /* sys/i386/include/exec.h */ 114 #define FREEBSD___LDPGSZ 4096 115 116 void freebsd_syscall_intern(struct proc *); 117 118 #endif /* _FREEBSD_MACHDEP_H */ 119