1 /* $OpenBSD: profile.h,v 1.2 1999/01/27 04:46:05 imp Exp $ */
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * from: @(#)profile.h 8.1 (Berkeley) 6/10/93
34 * JNPR: profile.h,v 1.4 2006/12/02 09:53:41 katta
37 #ifndef _MACHINE_PROFILE_H_
38 #define _MACHINE_PROFILE_H_
40 #define _MCOUNT_DECL void ___mcount
42 /*XXX The cprestore instruction is a "dummy" to shut up as(1). */
45 __asm(".globl _mcount;" \
46 ".type _mcount,@function;" \
75 * The following two macros do splhigh and splx respectively.
76 * They have to be defined this way because these are real
77 * functions on the MIPS, and we do not want to invoke mcount
81 #define MCOUNT_DECL(s) u_long s;
83 extern int mcount_lock;
84 #define MCOUNT_ENTER(s) { \
86 while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
89 #define MCOUNT_EXIT(s) { \
90 atomic_store_rel_int(&mcount_lock, 0); \
94 #define MCOUNT_ENTER(s) { s = disable_intr(); }
95 #define MCOUNT_EXIT(s) (enableintr(s))
98 /* REVISIT for mips */
100 * Config generates something to tell the compiler to align functions on 16
101 * byte boundaries. A strict alignment is good for keeping the tables small.
103 #define FUNCTION_ALIGNMENT 16
107 void stopguprof __P((struct gmonparam *p));
109 #define stopguprof(p)
114 #define FUNCTION_ALIGNMENT 4
116 typedef unsigned int uintfptr_t;
121 * An unsigned integral type that can hold non-negative difference between
124 typedef u_int fptrdiff_t;
128 void mcount(uintfptr_t frompc, uintfptr_t selfpc);
133 void nullfunc_loop_profiled(void);
134 void nullfunc_profiled(void);
135 void startguprof(struct gmonparam *p);
136 void stopguprof(struct gmonparam *p);
138 #define startguprof(p)
139 #define stopguprof(p)
144 #include <sys/cdefs.h>
149 void mcount(void) __asm(".mcount");
151 void mcount(void) __asm("mcount");
154 void _mcount(uintfptr_t frompc, uintfptr_t selfpc);
160 /* XXX doesn't quite work outside kernel yet. */
161 extern int cputime_bias;
165 void empty_loop(void);
166 void mexitcount(uintfptr_t selfpc);
168 void nullfunc_loop(void);
172 #endif /* !_MACHINE_PROFILE_H_ */