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Annotation of sys/arch/sparc64/include/signal.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: signal.h,v 1.8 2006/01/08 14:20:17 millert Exp $      */
                      2: /*     $NetBSD: signal.h,v 1.10 2001/05/09 19:50:49 kleink Exp $ */
                      3:
                      4: /*
                      5:  * Copyright (c) 1992, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * This software was developed by the Computer Systems Engineering group
                      9:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
                     10:  * contributed to Berkeley.
                     11:  *
                     12:  * All advertising materials mentioning features or use of this software
                     13:  * must display the following acknowledgement:
                     14:  *     This product includes software developed by the University of
                     15:  *     California, Lawrence Berkeley Laboratory.
                     16:  *
                     17:  * Redistribution and use in source and binary forms, with or without
                     18:  * modification, are permitted provided that the following conditions
                     19:  * are met:
                     20:  * 1. Redistributions of source code must retain the above copyright
                     21:  *    notice, this list of conditions and the following disclaimer.
                     22:  * 2. Redistributions in binary form must reproduce the above copyright
                     23:  *    notice, this list of conditions and the following disclaimer in the
                     24:  *    documentation and/or other materials provided with the distribution.
                     25:  * 3. Neither the name of the University nor the names of its contributors
                     26:  *    may be used to endorse or promote products derived from this software
                     27:  *    without specific prior written permission.
                     28:  *
                     29:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     30:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     31:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     32:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     33:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     34:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     35:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     36:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     37:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     38:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     39:  * SUCH DAMAGE.
                     40:  *
                     41:  *     @(#)signal.h    8.1 (Berkeley) 6/11/93
                     42:  */
                     43:
                     44: #ifndef        _SPARC64_SIGNAL_H_
                     45: #define _SPARC64_SIGNAL_H_
                     46:
                     47: #ifndef _LOCORE
                     48: #include <sys/cdefs.h>
                     49:
                     50: typedef int sig_atomic_t;
                     51:
                     52: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
                     53: /*
                     54:  * Information pushed on stack when a signal is delivered.
                     55:  * This is used by the kernel to restore state following
                     56:  * execution of the signal handler.  It is also made available
                     57:  * to the handler to allow it to restore state properly if
                     58:  * a non-standard exit is performed.
                     59:  *
                     60:  * All machines must have an sc_onstack and sc_mask.
                     61:  */
                     62: struct sigcontext {
                     63:        int             sc_onstack;     /* sigstack state to restore */
                     64:        int             __sc_mask13;    /* signal mask to restore (old style) */
                     65:        /* begin machine dependent portion */
                     66:        long            sc_sp;          /* %sp to restore */
                     67:        long            sc_pc;          /* pc to restore */
                     68:        long            sc_npc;         /* npc to restore */
                     69:        long            sc_tstate;      /* tstate to restore */
                     70:        long            sc_g1;          /* %g1 to restore */
                     71:        long            sc_o0;          /* %o0 to restore */
                     72:        int             sc_mask;        /* signal mask to restore (new style) */
                     73: };
                     74: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
                     75: #endif /* _LOCORE */
                     76:
                     77: #if defined(_LOCORE) || __BSD_VISIBLE
                     78: /*
                     79:  * `Code' arguments to signal handlers.  The names, and the funny numbering.
                     80:  * are defined so as to match up with what SunOS uses; I have no idea why
                     81:  * they did the numbers that way, except maybe to match up with the 68881.
                     82:  */
                     83: #define        FPE_INTOVF_TRAP         0x01    /* integer overflow */
                     84: #define        FPE_INTDIV_TRAP         0x14    /* integer divide by zero */
                     85: #define        FPE_FLTINEX_TRAP        0xc4    /* inexact */
                     86: #define        FPE_FLTDIV_TRAP         0xc8    /* divide by zero */
                     87: #define        FPE_FLTUND_TRAP         0xcc    /* underflow */
                     88: #define        FPE_FLTOPERR_TRAP       0xd0    /* operand error */
                     89: #define        FPE_FLTOVF_TRAP         0xd4    /* overflow */
                     90: #endif
                     91:
                     92: #endif /* !_SPARC64_SIGNAL_H_ */