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Annotation of sys/arch/powerpc/include/signal.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: signal.h,v 1.7 2006/01/08 14:20:17 millert Exp $      */
        !             2: /*     $NetBSD: signal.h,v 1.1 1996/09/30 16:34:34 ws Exp $    */
        !             3:
        !             4: /*
        !             5:  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
        !             6:  * Copyright (C) 1995, 1996 TooLs GmbH.
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * Redistribution and use in source and binary forms, with or without
        !            10:  * modification, are permitted provided that the following conditions
        !            11:  * are met:
        !            12:  * 1. Redistributions of source code must retain the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer.
        !            14:  * 2. Redistributions in binary form must reproduce the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer in the
        !            16:  *    documentation and/or other materials provided with the distribution.
        !            17:  * 3. All advertising materials mentioning features or use of this software
        !            18:  *    must display the following acknowledgement:
        !            19:  *     This product includes software developed by TooLs GmbH.
        !            20:  * 4. The name of TooLs GmbH may not be used to endorse or promote products
        !            21:  *    derived from this software without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
        !            24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            26:  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
        !            27:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
        !            28:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
        !            29:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
        !            30:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
        !            31:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
        !            32:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            33:  */
        !            34: #ifndef        _POWERPC_SIGNAL_H_
        !            35: #define        _POWERPC_SIGNAL_H_
        !            36:
        !            37: #include <sys/cdefs.h>
        !            38:
        !            39: typedef int sig_atomic_t;
        !            40:
        !            41: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
        !            42: #include <machine/_types.h>
        !            43:
        !            44: /*
        !            45:  * We have to save all registers on every trap, because
        !            46:  *     1. user could attach this process every time
        !            47:  *     2. we must be able to restore all user registers in case of fork
        !            48:  * Actually, we do not save the fp registers on trap, since
        !            49:  * these are not used by the kernel. They are saved only when switching
        !            50:  * between processes using the FPU.
        !            51:  *
        !            52:  */
        !            53: struct trapframe {
        !            54:        __register_t fixreg[32];
        !            55:        __register_t lr;
        !            56:        __register_t cr;
        !            57:        __register_t xer;
        !            58:        __register_t ctr;
        !            59:        int srr0;
        !            60:        int srr1;
        !            61:        int dar;                        /* dar & dsisr are only filled on a DSI trap */
        !            62:        int dsisr;
        !            63:        __register_t exc;
        !            64: };
        !            65:
        !            66: struct sigcontext {
        !            67:        int sc_onstack;                 /* saved onstack flag */
        !            68:        int sc_mask;                    /* saved signal mask */
        !            69:        struct trapframe sc_frame;      /* saved registers */
        !            70: };
        !            71: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
        !            72: #endif /* _POWERPC_SIGNAL_H_ */