Annotation of sys/arch/vax/include/profile.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: profile.h,v 1.7 2003/06/02 23:27:57 millert Exp $ */
2: /* $NetBSD: profile.h,v 1.5 1995/12/31 12:15:58 ragge Exp $ */
3: /*
4: * Copyright (c) 1992 The Regents of the University of California.
5: * All rights reserved.
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: * 3. Neither the name of the University nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: *
31: * @(#)profile.h 7.1 (Berkeley) 7/16/92
32: */
33:
34: /*
35: * _mcount can't be declared static, gcc will optimize it away then.
36: */
37: #define _MCOUNT_DECL void _mcount
38:
39: /*
40: * Note here: the second argument to __mcount() is pc when mcount
41: * was called. Because it's already on the stack we only have to
42: * push previous pc _and_ tell calls that it is only one argument
43: * to __mcount, so that our return address won't get popped from stack.
44: */
45: #define MCOUNT \
46: __asm__(".text; .globl mcount; mcount: pushl 16(fp); calls $1,__mcount; rsb");
47:
48: #ifdef _KERNEL
49: /*
50: * Note that we assume splhigh() and splx() cannot call mcount()
51: * recursively.
52: */
53: #define MCOUNT_ENTER s = splhigh()
54: #define MCOUNT_EXIT splx(s)
55: #endif /* _KERNEL */
CVSweb