sys/arch/m68k/include/signal.h

   1 /*      $NetBSD: signal.h,v 1.24 2008/11/19 18:35:59 ad Exp $   */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)signal.h    7.16 (Berkeley) 3/17/91
  32  */
  33
  34 #ifndef _M68K_SIGNAL_H_
  35 #define _M68K_SIGNAL_H_
  36
  37 #include <sys/featuretest.h>
  38
  39 typedef int sig_atomic_t;
  40
  41 #if defined(_NETBSD_SOURCE)
  42
  43 /*
  44  * Get the "code" values
  45  */
  46 #include <machine/trap.h>
  47
  48 /*
  49  * Information pushed on stack when a signal is delivered.
  50  * This is used by the kernel to restore state following
  51  * execution of the signal handler.  It is also made available
  52  * to the handler to allow it to restore state properly if
  53  * a non-standard exit is performed.
  54  */
  55 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
  56 struct sigcontext13 {
  57         int     sc_onstack;             /* sigstack state to restore */
  58         int     sc_mask;                /* signal mask to restore (old style) */
  59         int     sc_sp;                  /* sp to restore */
  60         int     sc_fp;                  /* fp to restore */
  61         int     sc_ap;                  /* ap to restore */
  62         int     sc_pc;                  /* pc to restore */
  63         int     sc_ps;                  /* psl to restore */
  64 };
  65 #endif /* __LIBC12_SOURCE__ || _KERNEL */
  66
  67 #if defined(_LIBC) || defined(_KERNEL)
  68 struct sigcontext {
  69         int     sc_onstack;             /* sigstack state to restore */
  70         int     __sc_mask13;            /* signal mask to restore (old style) */
  71         int     sc_sp;                  /* sp to restore */
  72         int     sc_fp;                  /* fp to restore */
  73         int     sc_ap;                  /* ap to restore */
  74         int     sc_pc;                  /* pc to restore */
  75         int     sc_ps;                  /* psl to restore */
  76         sigset_t sc_mask;               /* signal mask to restore (new style) */
  77 };
  78 #endif /* _LIBC || _KERNEL */
  79
  80 #ifdef _KERNEL
  81 #include <m68k/cpuframe.h>
  82
  83 /*
  84  * Register state saved while kernel delivers a signal.
  85  */
  86 struct sigstate {
  87         int     ss_flags;               /* which of the following are valid */
  88         struct frame ss_frame;          /* original exception frame */
  89         struct fpframe ss_fpstate;      /* 68881/68882 state info */
  90 };
  91
  92 #define SS_RTEFRAME     0x01
  93 #define SS_FPSTATE      0x02
  94 #define SS_USERREGS     0x04
  95
  96 u_int fpsr2siginfocode(u_int fpsr);
  97
  98 #endif
  99
 100 #if defined(__M68K_SIGNAL_PRIVATE)
 101
 102 #ifdef _KERNEL
 103 #define _SIGSTATE_EXFRAMESIZE(fmt)      exframesize[(fmt)]
 104 #endif
 105
 106 #endif /* __M68K_SIGNAL_PRIVATE */
 107
 108 #endif  /* _NETBSD_SOURCE */
 109 #endif  /* !_M68K_SIGNAL_H_ */