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Annotation of sys/arch/m68k/include/profile.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: profile.h,v 1.6 2003/06/02 23:27:48 millert Exp $     */
                      2: /*     $NetBSD: profile.h,v 1.3 1995/03/26 17:08:37 briggs Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1992, 1993
                      6:  *     The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)profile.h   8.1 (Berkeley) 6/10/93
                     33:  */
                     34:
                     35: #define        _MCOUNT_DECL static __inline void _mcount
                     36:
                     37: #define        MCOUNT \
                     38: extern void mcount(void) __asm("mcount"); void mcount() { \
                     39:        int selfpc, frompcindex; \
                     40:        __asm("movl a6@(4),%0" : "=r" (selfpc)); \
                     41:        __asm("movl a6@(0)@(4),%0" : "=r" (frompcindex)); \
                     42:        _mcount(frompcindex, selfpc); \
                     43: }
                     44:
                     45: #ifdef _KERNEL
                     46: /*
                     47:  * The following two macros do splhigh and splx respectively.
                     48:  * They have to be defined this way because these are real
                     49:  * functions on the HP, and we do not want to invoke mcount
                     50:  * recursively.
                     51:  */
                     52: #define MCOUNT_ENTER \
                     53:        __asm("movw     sr,%0" : "=g" (s)); \
                     54:        __asm("movw     #0x2700,sr")
                     55:
                     56: #define MCOUNT_EXIT \
                     57:        __asm("movw     %0,sr" : : "g" (s))
                     58: #endif /* _KERNEL */