sys/cpu/amd64/include/signal.h

   1 /*
   2  * Copyright (c) 1986, 1989, 1991, 1993
   3  *      The Regents of the University of California.  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  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)signal.h    8.1 (Berkeley) 6/11/93
  34  * $FreeBSD: src/sys/i386/include/signal.h,v 1.12 1999/11/12 13:52:11 marcel Exp $
  35  * $DragonFly: src/sys/cpu/amd64/include/signal.h,v 1.1 2007/08/21 19:40:24 corecode Exp $
  36  */
  37
  38 #ifndef _CPU_SIGNAL_H_
  39 #define _CPU_SIGNAL_H_
  40
  41 /*
  42  * Machine-dependent signal definitions
  43  */
  44
  45 typedef int sig_atomic_t;
  46
  47 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
  48
  49 /*
  50  * XXX temporarily use a <machine/bla.h> path instead of "bla.h" so the
  51  * XFree86-4-clients port, which uses -I-, builds.  Use of -I- should
  52  * be banned, or the option should be fixed to not screw up relative-path
  53  * includes.
  54  */
  55 #include <machine/trap.h>       /* codes for SIGILL, SIGFPE */
  56
  57 /*
  58  * Information pushed on stack when a signal is delivered.
  59  * This is used by the kernel to restore state following
  60  * execution of the signal handler.  It is also made available
  61  * to the handler to allow it to restore state properly if
  62  * a non-standard exit is performed.
  63  *
  64  * The sequence of the fields/registers in struct sigcontext should match
  65  * those in mcontext_t.
  66  */
  67 struct  sigcontext {
  68         sigset_t sc_mask;               /* signal mask to restore */
  69         long    sc_onstack;             /* sigstack state to restore */
  70         long    sc_rdi;
  71         long    sc_rsi;
  72         long    sc_rdx;
  73         long    sc_rcx;
  74         long    sc_r8;
  75         long    sc_r9;
  76         long    sc_rax;
  77         long    sc_rbx;
  78         long    sc_rbp;
  79         long    sc_r10;
  80         long    sc_r11;
  81         long    sc_r12;
  82         long    sc_r13;
  83         long    sc_r14;
  84         long    sc_r15;
  85         long    sc_trapno;
  86         long    sc_addr;
  87         long    sc_flags;
  88         long    sc_err;
  89         long    sc_rip;
  90         long    sc_cs;
  91         long    sc_rflags;
  92         long    sc_rsp;
  93         long    sc_ss;
  94         long    sc_len;
  95         /*
  96          * XXX - taken from freebsd
  97          */
  98         long    sc_fpformat;
  99         long    sc_ownedfp;
 100         long    sc_fpstate[64] __aligned(16);
 101         long    sc_spare[9];
 102 };
 103
 104 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
 105
 106 #endif /* !_CPU_SIGNAL_H_ */