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Annotation of sys/arch/m88k/include/profile.h, Revision 1.1

1.1     ! nbrk        1: #ifndef __M88K_PROFILE_H__
        !             2: #define __M88K_PROFILE_H__
        !             3: /*     $OpenBSD: profile.h,v 1.3 2005/04/30 16:42:36 miod Exp $ */
        !             4: /*
        !             5:  * Copyright (c) 2004, Miodrag Vallat.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            18:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            19:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            25:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            26:  * POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #define        _MCOUNT_DECL static inline void _mcount
        !            30:
        !            31: /*
        !            32:  * On OpenBSD, calls to the function profiler save r2-r9 on stack. The
        !            33:  * monitor point is found in r1. The function's return address is taken
        !            34:  * from the stack frame pointed to by r30.
        !            35:  */
        !            36: #define        MCOUNT \
        !            37: extern void mcount(void) __asm__ ("mcount"); \
        !            38: void \
        !            39: mcount() \
        !            40: { \
        !            41:        int     returnaddress, monpoint; \
        !            42:        __asm__ __volatile__ ("or %0, r1, r0" : "=r"(returnaddress)); \
        !            43:        __asm__ __volatile__ ("ld %0, r30, 4" : "=r"(monpoint)); \
        !            44:        _mcount(monpoint, returnaddress); \
        !            45: }
        !            46:
        !            47: #ifdef _KERNEL
        !            48: #define        MCOUNT_ENTER    disable_interrupt(s)
        !            49: #define        MCOUNT_EXIT     set_psr(s)
        !            50: #endif /* _KERNEL */
        !            51:
        !            52: #endif /* __M88K_PROFILE_H__ */