Subversion Repositories shark

Rev

Rev 42 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
42 pj 1
/*
2
 * Copyright (c) 1991, 1993
3
 *      The Regents of the University of California.  All rights reserved.
4
 *
5
 * This code is derived from software contributed to Berkeley by
6
 * Berkeley Software Design, Inc.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that the following conditions
10
 * are met:
11
 * 1. Redistributions of source code must retain the above copyright
12
 *    notice, this list of conditions and the following disclaimer.
13
 * 2. Redistributions in binary form must reproduce the above copyright
14
 *    notice, this list of conditions and the following disclaimer in the
15
 *    documentation and/or other materials provided with the distribution.
16
 * 3. All advertising materials mentioning features or use of this software
17
 *    must display the following acknowledgement:
18
 *      This product includes software developed by the University of
19
 *      California, Berkeley and its contributors.
20
 * 4. Neither the name of the University nor the names of its contributors
21
 *    may be used to endorse or promote products derived from this software
22
 *    without specific prior written permission.
23
 *
24
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34
 * SUCH DAMAGE.
35
 *
36
 *      @(#)cdefs.h     8.7 (Berkeley) 1/21/94
37
 */
38
 
39
#ifndef __LL_SYS_CDEFS_H__
40
#define __LL_SYS_CDEFS_H__
41
 
42
#if defined(__cplusplus)
43
#define __BEGIN_DECLS   extern "C" {
44
#define __END_DECLS     };
45
#else
46
#define __BEGIN_DECLS
47
#define __END_DECLS
48
#endif
49
 
50
/*
51
 * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
52
 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
53
 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
54
 * in between its arguments.  __CONCAT can also concatenate double-quoted
55
 * strings produced by the __STRING macro, but this only works with ANSI C.
56
 */
57
#if defined(__STDC__) || defined(__cplusplus)
58
#define __P(protos)     protos          /* full-blown ANSI C */
59
#define __CONCAT1(x,y)  x ## y
60
#define __CONCAT(x,y)   __CONCAT1(x,y)
61
#define __STRING(x)     #x
62
 
63
#define __const         const           /* define reserved names to standard */
64
#define __signed        signed
65
#define __volatile      volatile
66
#if defined(__cplusplus)
67
#define __inline        inline          /* convert to C++ keyword */
68
#else
69
#ifndef __GNUC__
70
#define __inline                        /* delete GCC keyword */
71
#endif /* !__GNUC__ */
72
#endif /* !__cplusplus */
73
 
74
#else   /* !(__STDC__ || __cplusplus) */
75
#define __P(protos)     ()              /* traditional C preprocessor */
76
#define __CONCAT(x,y)   x/**/y
77
#define __STRING(x)     "x"
78
 
79
#ifndef __GNUC__
80
#define __const                         /* delete pseudo-ANSI C keywords */
81
#define __inline
82
#define __signed
83
#define __volatile
84
/*
85
 * In non-ANSI C environments, new programs will want ANSI-only C keywords
86
 * deleted from the program and old programs will want them left alone.
87
 * When using a compiler other than gcc, programs using the ANSI C keywords
88
 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
89
 * When using "gcc -traditional", we assume that this is the intent; if
90
 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
91
 */
92
#ifndef NO_ANSI_KEYWORDS
93
#define const                           /* delete ANSI C keywords */
94
#define inline
95
#define signed
96
#define volatile
97
#endif
98
#endif  /* !NO_ANSI_KEYWORDS */
99
#endif  /* !(__STDC__ || __cplusplus) */
100
 
101
/*
102
 * GCC1 and some versions of GCC2 declare dead (non-returning) and
103
 * pure (no side effects) functions using "volatile" and "const";
104
 * unfortunately, these then cause warnings under "-ansi -pedantic".
105
 * GCC2.5 uses a new, peculiar __attribute__((attrs)) style.  All of
106
 * these work for GNU C++ (modulo a slight glitch in the C++ grammar
107
 * in the distribution version of 2.5.5).
108
 */
109
#if __GNUC__ < 2
110
#define __dead
111
#define __dead2
112
#define __pure
113
#define __pure2
114
#define __attribute__(x)
115
#endif
116
#if __GNUC__ == 2 && __GNUC_MINOR__ < 5
117
#define __dead          __volatile
118
#define __dead2
119
#define __pure          __const
120
#define __pure2
121
#endif
122
#if __GNUC__ == 2 && __GNUC_MINOR__ > 5 || __GNUC__ >= 3
123
#define __dead
124
#define __dead2         __attribute__((noreturn))
125
#define __pure
126
#define __pure2         __attribute__((const))
127
#endif
128
 
129
#ifdef __GNUC__
130
#ifdef __STDC__
131
#define __weak_reference(sym,alias)     \
132
        __asm__(".stabs \"_" #alias "\",11,0,0,0");     \
133
        __asm__(".stabs \"_" #sym "\",1,0,0,0")
134
#define __warn_references(sym,msg)      \
135
        __asm__(".stabs \"" msg "\",30,0,0,0");         \
136
        __asm__(".stabs \"_" #sym "\",1,0,0,0")
137
#else
138
#define __weak_reference(sym,alias)     \
139
        __asm__(".stabs \"_/**/alias\",11,0,0,0");      \
140
        __asm__(".stabs \"_/**/sym\",1,0,0,0")
141
#define __warn_references(sym,msg)      \
142
        __asm__(".stabs msg,30,0,0,0");                 \
143
        __asm__(".stabs \"_/**/sym\",1,0,0,0")
144
#endif
145
#endif
146
 
147
#endif /* !_SYS_CDEFS_H_ */