profile.h revision 1.7 1 1.7 matt /* $NetBSD: profile.h,v 1.7 2000/07/01 06:42:54 matt Exp $ */
2 1.1 ragge /*
3 1.3 ragge * Copyright (c) 1992 The Regents of the University of California.
4 1.1 ragge * All rights reserved.
5 1.1 ragge *
6 1.1 ragge * Redistribution and use in source and binary forms, with or without
7 1.1 ragge * modification, are permitted provided that the following conditions
8 1.1 ragge * are met:
9 1.1 ragge * 1. Redistributions of source code must retain the above copyright
10 1.1 ragge * notice, this list of conditions and the following disclaimer.
11 1.1 ragge * 2. Redistributions in binary form must reproduce the above copyright
12 1.1 ragge * notice, this list of conditions and the following disclaimer in the
13 1.1 ragge * documentation and/or other materials provided with the distribution.
14 1.1 ragge * 3. All advertising materials mentioning features or use of this software
15 1.1 ragge * must display the following acknowledgement:
16 1.3 ragge * This product includes software developed by the University of
17 1.3 ragge * California, Berkeley and its contributors.
18 1.3 ragge * 4. Neither the name of the University nor the names of its contributors
19 1.3 ragge * may be used to endorse or promote products derived from this software
20 1.3 ragge * without specific prior written permission.
21 1.1 ragge *
22 1.3 ragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 1.3 ragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 1.3 ragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 1.3 ragge * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 1.3 ragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 1.3 ragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 1.3 ragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 1.3 ragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 1.3 ragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 1.3 ragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 1.3 ragge * SUCH DAMAGE.
33 1.3 ragge *
34 1.3 ragge * @(#)profile.h 7.1 (Berkeley) 7/16/92
35 1.1 ragge */
36 1.1 ragge
37 1.5 ragge /*
38 1.5 ragge * _mcount can't be declared static, gcc will optimize it away then.
39 1.5 ragge */
40 1.5 ragge #define _MCOUNT_DECL void _mcount
41 1.2 ragge
42 1.5 ragge /*
43 1.5 ragge * Note here: the second argument to __mcount() is pc when mcount
44 1.5 ragge * was called. Because it's already on the stack we only have to
45 1.5 ragge * push previous pc _and_ tell calls that it is only one argument
46 1.5 ragge * to __mcount, so that our return address won't get popped from stack.
47 1.5 ragge */
48 1.7 matt #ifdef __ELF__
49 1.7 matt #define MCOUNT \
50 1.7 matt __asm__(".text; .globl __mcount; __mcount: pushl 16(fp); calls $1,_mcount; rsb");
51 1.7 matt #else
52 1.2 ragge #define MCOUNT \
53 1.6 thorpej __asm__(".text; .globl mcount; mcount: pushl 16(fp); calls $1,__mcount; rsb");
54 1.7 matt #endif
55 1.2 ragge
56 1.4 jtc #ifdef _KERNEL
57 1.2 ragge /*
58 1.2 ragge * Note that we assume splhigh() and splx() cannot call mcount()
59 1.2 ragge * recursively.
60 1.2 ragge */
61 1.2 ragge #define MCOUNT_ENTER s = splhigh()
62 1.2 ragge #define MCOUNT_EXIT splx(s)
63 1.4 jtc #endif /* _KERNEL */
64