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 * Copyright 2015 EveryCity Ltd. All rights reserved. 28 */ 29 30 #ifndef _SYS_CCOMPILE_H 31 #define _SYS_CCOMPILE_H 32 33 /* 34 * This file contains definitions designed to enable different compilers 35 * to be used harmoniously on Solaris systems. 36 */ 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* 43 * Allow for version tests for compiler bugs and features. 44 */ 45 #if defined(__GNUC__) 46 #define __GNUC_VERSION \ 47 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 48 #else 49 #define __GNUC_VERSION 0 50 #endif 51 52 #if defined(__ATTRIBUTE_IMPLEMENTED) || defined(__GNUC__) 53 54 /* 55 * analogous to lint's PRINTFLIKEn 56 */ 57 #define __sun_attr___PRINTFLIKE__(__n) \ 58 __attribute__((__format__(printf, __n, (__n)+1))) 59 #define __sun_attr___VPRINTFLIKE__(__n) \ 60 __attribute__((__format__(printf, __n, 0))) 61 62 /* 63 * Handle the kernel printf routines that can take '%b' too 64 */ 65 #if __GNUC_VERSION < 30402 66 /* 67 * XX64 at least this doesn't work correctly yet with 3.4.1 anyway! 68 */ 69 #define __sun_attr___KPRINTFLIKE__ __sun_attr___PRINTFLIKE__ 70 #define __sun_attr___KVPRINTFLIKE__ __sun_attr___VPRINTFLIKE__ 71 #else 72 #define __sun_attr___KPRINTFLIKE__(__n) \ 73 __attribute__((__format__(cmn_err, __n, (__n)+1))) 74 #define __sun_attr___KVPRINTFLIKE__(__n) \ 75 __attribute__((__format__(cmn_err, __n, 0))) 76 #endif 77 78 /* 79 * This one's pretty obvious -- the function never returns 80 */ 81 #define __sun_attr___noreturn__ __attribute__((__noreturn__)) 82 83 /* 84 * The function is 'extern inline' and expects GNU C89 behaviour, not C99 85 * behaviour. 86 * 87 * Should only be used on 'extern inline' definitions for GCC. 88 */ 89 #if __GNUC_VERSION >= 40200 90 #define __sun_attr___gnu_inline__ __attribute__((__gnu_inline__)) 91 #else 92 #define __sun_attr___gnu_inline__ 93 #endif 94 95 /* 96 * The function has control flow such that it may return multiple times (in 97 * the manner of setjmp or vfork) 98 */ 99 #if __GNUC_VERSION >= 40100 100 #define __sun_attr___returns_twice__ __attribute__((__returns_twice__)) 101 #else 102 #define __sun_attr___returns_twice__ 103 #endif 104 105 /* 106 * This is an appropriate label for functions that do not 107 * modify their arguments, e.g. strlen() 108 */ 109 #define __sun_attr___pure__ __attribute__((__pure__)) 110 111 /* 112 * This is a stronger form of __pure__. Can be used for functions 113 * that do not modify their arguments and don't depend on global 114 * memory. 115 */ 116 #define __sun_attr___const__ __attribute__((__const__)) 117 118 #if __GNUC_VERSION >= 20700 119 #define __aligned(x) __attribute__((__aligned__(x))) 120 /* 121 * This attribute, attached to a variable, means that the variable is meant to 122 * be possibly unused. GCC will not produce a warning for this variable. 123 */ 124 #define __sun_attr___unused__ __attribute__((__unused__)) 125 #endif 126 127 #define ___sun_attr_inner(__a) __sun_attr_##__a 128 #define __sun_attr__(__a) ___sun_attr_inner __a 129 130 #else /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */ 131 132 #define __aligned(x) 133 #define __sun_attr__(__a) 134 #define __sun_attr___unused__ 135 136 #endif /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */ 137 138 /* 139 * Shorthand versions for readability 140 */ 141 142 #define __PRINTFLIKE(__n) __sun_attr__((__PRINTFLIKE__(__n))) 143 #define __VPRINTFLIKE(__n) __sun_attr__((__VPRINTFLIKE__(__n))) 144 #define __KPRINTFLIKE(__n) __sun_attr__((__KPRINTFLIKE__(__n))) 145 #define __KVPRINTFLIKE(__n) __sun_attr__((__KVPRINTFLIKE__(__n))) 146 #define __NORETURN __sun_attr__((__noreturn__)) 147 #define __GNU_INLINE __inline__ __sun_attr__((__gnu_inline__)) 148 #define __RETURNS_TWICE __sun_attr__((__returns_twice__)) 149 #define __CONST __sun_attr__((__const__)) 150 #define __PURE __sun_attr__((__pure__)) 151 #define __packed __attribute__((__packed__)) 152 #define __section(x) __attribute__((__section__(x))) 153 #define __unused __sun_attr__((__unused__)) 154 #define __used __attribute__((__used__)) 155 #define __weak_symbol __attribute__((__weak__)) 156 157 #ifdef __cplusplus 158 } 159 #endif 160 161 #endif /* _SYS_CCOMPILE_H */ 162