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 */
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