1/*	$NetBSD: profile.h,v 1.22 2014/03/18 18:20:41 riastradh Exp $	*/
 2
 3/*
 4 * Copyright (c) 1992, 1993
 5 *	The Regents of the University of California.  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	8.1 (Berkeley) 6/10/93
32 */
33
34#define	_MCOUNT_DECL static __inline void _mcount
35
36#ifdef __ELF__
37#define	MCOUNT_ENTRY	"__mcount"
38#else
39#define	MCOUNT_ENTRY	"mcount"
40#endif
41
42#if !defined(__mc68010__) && !defined(__mcoldfire__)
43#define	MCOUNT \
44extern void mcount(void) __asm(MCOUNT_ENTRY) \
45	__attribute__((__no_instrument_function__)); \
46void mcount(void) { \
47	int selfpc, frompcindex; \
48	__asm("movl %%a6@(4),%0" : "=r" (selfpc)); \
49	__asm("movl %%a6@(0)@(4),%0" : "=r" (frompcindex)); \
50	_mcount(frompcindex, selfpc); \
51}
52#else	/* __mc68010__ */
53/*
54 * The 68010 doesn't have the memory indirect addressing mode
55 * that the above definition of mcount uses, so we're forced
56 * to do something different.
57 */
58#define	MCOUNT \
59extern void mcount(void) __asm("mcount"); void mcount(void) { \
60	int selfpc, frompcindex; \
61	__asm("movl %%a6@(4),%0" : "=r" (selfpc)); \
62	__asm("movl %%a6@(0),%%a0 ; movl %%a0@(4),%0" : "=r" (frompcindex) : /* no inputs */ : "a0"); \
63	_mcount(frompcindex, selfpc); \
64}
65#endif	/* __mc68010__ */
66
67#ifdef _KERNEL
68/*
69 * The following two macros do splhigh and splx respectively.
70 * They have to be defined this way because these are real
71 * functions on the HP, and we do not want to invoke mcount
72 * recursively.
73 */
74#define MCOUNT_ENTER \
75	__asm("movw	%%sr,%0" : "=g" (s)); \
76	__asm("movw	#0x2700,%sr")
77
78#define MCOUNT_EXIT \
79	__asm("movw	%0,%%sr" : : "g" (s))
80#endif /* _KERNEL */