Clean up more #include files. Create an internal __boolean_t so two or
[dragonfly.git] / sys / i386 / include / profile.h
CommitLineData
984263bc
MD
1/*
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
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.
20 *
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
31 * SUCH DAMAGE.
32 *
33 * @(#)profile.h 8.1 (Berkeley) 6/11/93
34 * $FreeBSD: src/sys/i386/include/profile.h,v 1.20 1999/12/29 04:33:05 peter Exp $
03d6a592 35 * $DragonFly: src/sys/i386/include/Attic/profile.h,v 1.8 2006/05/21 03:43:44 dillon Exp $
984263bc
MD
36 */
37
38#ifndef _MACHINE_PROFILE_H_
39#define _MACHINE_PROFILE_H_
40
03d6a592
MD
41#ifndef _SYS_CDEFS_H_
42#include <sys/cdefs.h>
43#endif
1bd40720
MD
44#ifndef _SYS_TYPES_H_
45#include <sys/types.h>
46#endif
47
984263bc
MD
48#ifdef _KERNEL
49
50/*
51 * Config generates something to tell the compiler to align functions on 16
52 * byte boundaries. A strict alignment is good for keeping the tables small.
53 */
54#define FUNCTION_ALIGNMENT 16
55
56/*
57 * The kernel uses assembler stubs instead of unportable inlines.
58 * This is mainly to save a little time when profiling is not enabled,
59 * which is the usual case for the kernel.
60 */
61#define _MCOUNT_DECL void mcount
62#define MCOUNT
63
64#ifdef GUPROF
65#define CALIB_SCALE 1000
66#define KCOUNT(p,index) ((p)->kcount[(index) \
67 / (HISTFRACTION * sizeof(HISTCOUNTER))])
68#define MCOUNT_DECL(s)
69#define MCOUNT_ENTER(s)
70#define MCOUNT_EXIT(s)
71#define PC_TO_I(p, pc) ((uintfptr_t)(pc) - (uintfptr_t)(p)->lowpc)
72#else
73#define MCOUNT_DECL(s) u_long s;
74#ifdef SMP
75#define MCOUNT_ENTER(s) { s = read_eflags(); \
76 __asm __volatile("cli" : : : "memory"); \
77 s_lock_np(&mcount_lock); }
78#define MCOUNT_EXIT(s) { s_unlock_np(&mcount_lock); write_eflags(s); }
79#else
e32aee1c 80#define MCOUNT_ENTER(s) { s = read_eflags(); cpu_disable_intr(); }
984263bc
MD
81#define MCOUNT_EXIT(s) (write_eflags(s))
82#endif
83#endif /* GUPROF */
84
85#else /* !_KERNEL */
86
87#define FUNCTION_ALIGNMENT 4
88
89#define _MCOUNT_DECL static __inline void _mcount
90
91#define MCOUNT \
92void \
09e6e929 93mcount(void) \
984263bc
MD
94{ \
95 uintfptr_t selfpc, frompc; \
96 /* \
97 * Find the return address for mcount, \
98 * and the return address for mcount's caller. \
99 * \
100 * selfpc = pc pushed by call to mcount \
101 */ \
102 asm("movl 4(%%ebp),%0" : "=r" (selfpc)); \
103 /* \
104 * frompc = pc pushed by call to mcount's caller. \
105 * The caller's stack frame has already been built, so %ebp is \
106 * the caller's frame pointer. The caller's raddr is in the \
107 * caller's frame following the caller's caller's frame pointer. \
108 */ \
109 asm("movl (%%ebp),%0" : "=r" (frompc)); \
110 frompc = ((uintfptr_t *)frompc)[1]; \
111 _mcount(frompc, selfpc); \
112}
113
114typedef unsigned int uintfptr_t;
115
116#endif /* _KERNEL */
117
118/*
119 * An unsigned integral type that can hold non-negative difference between
120 * function pointers.
121 */
122typedef u_int fptrdiff_t;
123
124#ifdef _KERNEL
125
3ae0cd58 126void mcount (uintfptr_t frompc, uintfptr_t selfpc);
984263bc
MD
127
128#ifdef GUPROF
129struct gmonparam;
130
3ae0cd58
RG
131void nullfunc_loop_profiled (void);
132void nullfunc_profiled (void);
133void startguprof (struct gmonparam *p);
134void stopguprof (struct gmonparam *p);
984263bc
MD
135#else
136#define startguprof(p)
137#define stopguprof(p)
138#endif /* GUPROF */
139
140#else /* !_KERNEL */
141
984263bc
MD
142__BEGIN_DECLS
143#ifdef __GNUC__
3ae0cd58 144void mcount (void) __asm(".mcount");
984263bc 145#endif
03d6a592 146/*static void _mcount (uintfptr_t frompc, uintfptr_t selfpc);*/
984263bc
MD
147__END_DECLS
148
149#endif /* _KERNEL */
150
151#ifdef GUPROF
152/* XXX doesn't quite work outside kernel yet. */
153extern int cputime_bias;
154
155__BEGIN_DECLS
3ae0cd58
RG
156int cputime (void);
157void empty_loop (void);
158void mexitcount (uintfptr_t selfpc);
159void nullfunc (void);
160void nullfunc_loop (void);
984263bc
MD
161__END_DECLS
162#endif
163
164#endif /* !_MACHINE_PROFILE_H_ */