1 /* $OpenBSD: profile.h,v 1.2 1999/01/27 04:46:05 imp Exp $ */
3 * SPDX-License-Identifier: BSD-3-Clause
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
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12 * modification, are permitted provided that the following conditions
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15 * notice, this list of conditions and the following disclaimer.
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18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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35 * from: @(#)profile.h 8.1 (Berkeley) 6/10/93
36 * JNPR: profile.h,v 1.4 2006/12/02 09:53:41 katta
39 #ifndef _MACHINE_PROFILE_H_
40 #define _MACHINE_PROFILE_H_
42 #define _MCOUNT_DECL void ___mcount
44 /*XXX The cprestore instruction is a "dummy" to shut up as(1). */
46 /*XXX This is not MIPS64 safe. */
49 __asm(".globl _mcount;" \
50 ".type _mcount,@function;" \
79 * The following two macros do splhigh and splx respectively.
80 * They have to be defined this way because these are real
81 * functions on the MIPS, and we do not want to invoke mcount
85 #define MCOUNT_DECL(s) u_long s;
87 extern int mcount_lock;
88 #define MCOUNT_ENTER(s) { \
90 while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
93 #define MCOUNT_EXIT(s) { \
94 atomic_store_rel_int(&mcount_lock, 0); \
98 #define MCOUNT_ENTER(s) { s = intr_disable(); }
99 #define MCOUNT_EXIT(s) (intr_restore(s))
102 /* REVISIT for mips */
104 * Config generates something to tell the compiler to align functions on 16
105 * byte boundaries. A strict alignment is good for keeping the tables small.
107 #define FUNCTION_ALIGNMENT 16
111 void stopguprof __P((struct gmonparam *p));
113 #define stopguprof(p)
118 #define FUNCTION_ALIGNMENT 4
121 typedef u_long uintfptr_t;
123 typedef u_int uintfptr_t;
129 * An unsigned integral type that can hold non-negative difference between
133 typedef u_long fptrdiff_t;
135 typedef u_int fptrdiff_t;
140 void mcount(uintfptr_t frompc, uintfptr_t selfpc);
145 void nullfunc_loop_profiled(void);
146 void nullfunc_profiled(void);
147 void startguprof(struct gmonparam *p);
148 void stopguprof(struct gmonparam *p);
150 #define startguprof(p)
151 #define stopguprof(p)
156 #include <sys/cdefs.h>
161 void mcount(void) __asm(".mcount");
163 void mcount(void) __asm("mcount");
166 void _mcount(uintfptr_t frompc, uintfptr_t selfpc);
172 /* XXX doesn't quite work outside kernel yet. */
173 extern int cputime_bias;
177 void empty_loop(void);
178 void mexitcount(uintfptr_t selfpc);
180 void nullfunc_loop(void);
184 #endif /* !_MACHINE_PROFILE_H_ */