signal.h

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    1 /*-
    2  * Copyright (c) 2003 Peter Wemm.
    3  * Copyright (c) 1986, 1989, 1991, 1993
    4  *      The Regents of the University of California.  All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   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  * 4. Neither the name of the University nor the names of its contributors
   15  *    may be used to endorse or promote products derived from this software
   16  *    without specific prior written permission.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  *
   30  *      @(#)signal.h    8.1 (Berkeley) 6/11/93
   31  * $FreeBSD: releng/9.0/sys/amd64/include/signal.h 190623 2009-04-01 13:44:28Z kib $
   32  */
   33 
   34 #ifndef _MACHINE_SIGNAL_H_
   35 #define _MACHINE_SIGNAL_H_
   36 
   37 #include <sys/cdefs.h>
   38 #include <sys/_sigset.h>
   39 
   40 /*
   41  * Machine-dependent signal definitions
   42  */
   43 
   44 typedef long sig_atomic_t;
   45 
   46 #if __BSD_VISIBLE
   47 #include <machine/trap.h>       /* codes for SIGILL, SIGFPE */
   48 
   49 /*
   50  * Only the kernel should need these old type definitions.
   51  */
   52 /*
   53  * Information pushed on stack when a signal is delivered.
   54  * This is used by the kernel to restore state following
   55  * execution of the signal handler.  It is also made available
   56  * to the handler to allow it to restore state properly if
   57  * a non-standard exit is performed.
   58  */
   59 /*
   60  * The sequence of the fields/registers in struct sigcontext should match
   61  * those in mcontext_t.
   62  */
   63 struct sigcontext {
   64         struct __sigset sc_mask;        /* signal mask to restore */
   65         long    sc_onstack;             /* sigstack state to restore */
   66         long    sc_rdi;         /* machine state (struct trapframe) */
   67         long    sc_rsi;
   68         long    sc_rdx;
   69         long    sc_rcx;
   70         long    sc_r8;
   71         long    sc_r9;
   72         long    sc_rax;
   73         long    sc_rbx;
   74         long    sc_rbp;
   75         long    sc_r10;
   76         long    sc_r11;
   77         long    sc_r12;
   78         long    sc_r13;
   79         long    sc_r14;
   80         long    sc_r15;
   81         int     sc_trapno;
   82         short   sc_fs;
   83         short   sc_gs;
   84         long    sc_addr;
   85         int     sc_flags;
   86         short   sc_es;
   87         short   sc_ds;
   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;                 /* sizeof(mcontext_t) */
   95         /*
   96          * XXX - See <machine/ucontext.h> and <machine/fpu.h> for
   97          *       the following fields.
   98          */
   99         long    sc_fpformat;
  100         long    sc_ownedfp;
  101         long    sc_fpstate[64] __aligned(16);
  102 
  103         long    sc_fsbase;
  104         long    sc_gsbase;
  105 
  106         long    sc_spare[6];
  107 };
  108 #endif /* __BSD_VISIBLE */
  109 
  110 #endif /* !_MACHINE_SIGNAL_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/amd64/include/signal.h

FreeBSD/Linux Kernel Cross Reference
sys/amd64/include/signal.h