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
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10 * modification, are permitted provided that the following conditions
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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)
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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). */
44 /*XXX This is not MIPS64 safe. */
47 __asm(".globl _mcount;" \
48 ".type _mcount,@function;" \
77 * The following two macros do splhigh and splx respectively.
78 * They have to be defined this way because these are real
79 * functions on the MIPS, and we do not want to invoke mcount
83 #define MCOUNT_DECL(s) u_long s;
85 extern int mcount_lock;
86 #define MCOUNT_ENTER(s) { \
88 while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
91 #define MCOUNT_EXIT(s) { \
92 atomic_store_rel_int(&mcount_lock, 0); \
96 #define MCOUNT_ENTER(s) { s = intr_disable(); }
97 #define MCOUNT_EXIT(s) (intr_restore(s))
100 /* REVISIT for mips */
102 * Config generates something to tell the compiler to align functions on 16
103 * byte boundaries. A strict alignment is good for keeping the tables small.
105 #define FUNCTION_ALIGNMENT 16
109 void stopguprof __P((struct gmonparam *p));
111 #define stopguprof(p)
116 #define FUNCTION_ALIGNMENT 4
119 typedef u_long uintfptr_t;
121 typedef u_int uintfptr_t;
127 * An unsigned integral type that can hold non-negative difference between
131 typedef u_long fptrdiff_t;
133 typedef u_int fptrdiff_t;
138 void mcount(uintfptr_t frompc, uintfptr_t selfpc);
143 void nullfunc_loop_profiled(void);
144 void nullfunc_profiled(void);
145 void startguprof(struct gmonparam *p);
146 void stopguprof(struct gmonparam *p);
148 #define startguprof(p)
149 #define stopguprof(p)
154 #include <sys/cdefs.h>
159 void mcount(void) __asm(".mcount");
161 void mcount(void) __asm("mcount");
164 void _mcount(uintfptr_t frompc, uintfptr_t selfpc);
170 /* XXX doesn't quite work outside kernel yet. */
171 extern int cputime_bias;
175 void empty_loop(void);
176 void mexitcount(uintfptr_t selfpc);
178 void nullfunc_loop(void);
182 #endif /* !_MACHINE_PROFILE_H_ */