1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_CCOMPILE_H
28#define _SYS_CCOMPILE_H
29
30/*
31 * This file contains definitions designed to enable different compilers
32 * to be used harmoniously on Solaris systems.
33 */
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39/*
40 * Allow for version tests for compiler bugs and features.
41 */
42#if defined(__GNUC__)
43#define __GNUC_VERSION \
44 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
45#else
46#define __GNUC_VERSION 0
47#endif
48
49#if defined(__ATTRIBUTE_IMPLEMENTED) || defined(__GNUC__)
50
51/*
52 * analogous to lint's PRINTFLIKEn
53 */
54#define __sun_attr___PRINTFLIKE__(__n) \
55 __attribute__((__format__(printf, __n, (__n)+1)))
56#define __sun_attr___VPRINTFLIKE__(__n) \
57 __attribute__((__format__(printf, __n, 0)))
58
59/*
60 * Handle the kernel printf routines that can take '%b' too
61 */
62#if __GNUC_VERSION < 30402
63/*
64 * XX64 at least this doesn't work correctly yet with 3.4.1 anyway!
65 */
66#define __sun_attr___KPRINTFLIKE__ __sun_attr___PRINTFLIKE__
67#define __sun_attr___KVPRINTFLIKE__ __sun_attr___VPRINTFLIKE__
68#else
69#define __sun_attr___KPRINTFLIKE__(__n) \
70 __attribute__((__format__(cmn_err, __n, (__n)+1)))
71#define __sun_attr___KVPRINTFLIKE__(__n) \
72 __attribute__((__format__(cmn_err, __n, 0)))
73#endif
74
75/*
76 * This one's pretty obvious -- the function never returns
77 */
78#define __sun_attr___noreturn__ __attribute__((__noreturn__))
79
80
81/*
82 * This is an appropriate label for functions that do not
83 * modify their arguments, e.g. strlen()
84 */
85#define __sun_attr___pure__ __attribute__((__pure__))
86
87/*
88 * This is a stronger form of __pure__. Can be used for functions
89 * that do not modify their arguments and don't depend on global
90 * memory.
91 */
92#define __sun_attr___const__ __attribute__((__const__))
93
94/*
95 * structure packing like #pragma pack(1)
96 */
97#define __sun_attr___packed__ __attribute__((__packed__))
98
99#define ___sun_attr_inner(__a) __sun_attr_##__a
100#define __sun_attr__(__a) ___sun_attr_inner __a
101
102#else /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */
103
104#define __sun_attr__(__a)
105
106#endif /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */
107
108/*
109 * Shorthand versions for readability
110 */
111
112#define __PRINTFLIKE(__n) __sun_attr__((__PRINTFLIKE__(__n)))
113#define __VPRINTFLIKE(__n) __sun_attr__((__VPRINTFLIKE__(__n)))
114#define __KPRINTFLIKE(__n) __sun_attr__((__KPRINTFLIKE__(__n)))
115#define __KVPRINTFLIKE(__n) __sun_attr__((__KVPRINTFLIKE__(__n)))
116#define __NORETURN __sun_attr__((__noreturn__))
117#define __CONST __sun_attr__((__const__))
118#define __PURE __sun_attr__((__pure__))
119
120
121#ifdef __cplusplus
122}
123#endif
124
125#endif /* _SYS_CCOMPILE_H */
126