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Annotation of sys/arch/m88k/include/profile.h, Revision 1.1.1.1

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__ */