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 36 extern "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