Return to frame.h CVS log

Up to [local] / sys / arch / powerpc / include

Annotation of sys/arch/powerpc/include/frame.h, Revision 1.1.1.1

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_ */