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

1.1     ! nbrk        1: /*     $OpenBSD: frame.h,v 1.7 2006/01/06 18:53:05 millert Exp $       */
        !             2:
        !             3: /*
        !             4:  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
        !             5:  * Copyright (C) 1995, 1996 TooLs GmbH.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by TooLs GmbH.
        !            19:  * 4. The name of TooLs GmbH may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission.
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
        !            26:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
        !            27:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
        !            28:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
        !            29:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
        !            30:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
        !            31:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33: #ifndef        _POWERPC_FRAME_H_
        !            34: #define        _POWERPC_FRAME_H_
        !            35:
        !            36: /*
        !            37:  * This is to ensure alignment of the stackpointer
        !            38:  */
        !            39: #define        FRAMELEN        roundup(sizeof(struct trapframe) + 8, 16)
        !            40: #define        trapframe(p)    ((struct trapframe *)((void *)(p)->p_addr + USPACE - FRAMELEN + 8))
        !            41:
        !            42: struct switchframe {
        !            43:        register_t sp;
        !            44:        int fill;
        !            45:        int user_sr;
        !            46:        int cr;
        !            47:        register_t fixreg2;
        !            48:        register_t fixreg[19];          /* R13-R31 */
        !            49: };
        !            50:
        !            51: struct clockframe {
        !            52:        register_t srr1;
        !            53:        register_t srr0;
        !            54:        int pri;
        !            55:        int depth;
        !            56: };
        !            57:
        !            58: /*
        !            59:  * Call frame for PowerPC used during fork.
        !            60:  */
        !            61: struct callframe {
        !            62:        register_t sp;
        !            63:        register_t lr;
        !            64:        register_t r30;
        !            65:        register_t r31;
        !            66: };
        !            67:
        !            68: struct sigframe {
        !            69:        int sf_signum;
        !            70:        siginfo_t *sf_sip;
        !            71:        struct sigcontext sf_sc;
        !            72:        siginfo_t sf_si;
        !            73: };
        !            74:
        !            75: struct fpsig {
        !            76:        double f[14]; /* f0 - f13 are volatile */
        !            77:        double fpscr;
        !            78: };
        !            79: #endif /* _POWERPC_FRAME_H_ */