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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * This file contains definitions designed to enable different compilers 34 * to be used harmoniously on Solaris systems. 35 */ 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 /* 42 * Allow for version tests for compiler bugs and features. 43 */ 44 #if defined(__GNUC__) 45 #define __GNUC_VERSION \ 46 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 47 #else 48 #define __GNUC_VERSION 0 49 #endif 50 51 #if defined(__ATTRIBUTE_IMPLEMENTED) || defined(__GNUC__) 52 53 /* 54 * analogous to lint's PRINTFLIKEn 55 */ 56 #define __sun_attr___PRINTFLIKE__(__n) \ 57 __attribute__((__format__(printf, __n, (__n)+1))) 58 #define __sun_attr___VPRINTFLIKE__(__n) \ 59 __attribute__((__format__(printf, __n, 0))) 60 61 /* 62 * Handle the kernel printf routines that can take '%b' too 63 */ 64 #if __GNUC_VERSION < 30402 65 /* 66 * XX64 at least this doesn't work correctly yet with 3.4.1 anyway! 67 */ 68 #define __sun_attr___KPRINTFLIKE__ __sun_attr___PRINTFLIKE__ 69 #define __sun_attr___KVPRINTFLIKE__ __sun_attr___VPRINTFLIKE__ 70 #else 71 #define __sun_attr___KPRINTFLIKE__(__n) \ 72 __attribute__((__format__(cmn_err, __n, (__n)+1))) 73 #define __sun_attr___KVPRINTFLIKE__(__n) \ 74 __attribute__((__format__(cmn_err, __n, 0))) 75 #endif 76 77 /* 78 * This one's pretty obvious -- the function never returns 79 */ 80 #define __sun_attr___noreturn__ __attribute__((__noreturn__)) 81 82 83 /* 84 * This is an appropriate label for functions that do not 85 * modify their arguments, e.g. strlen() 86 */ 87 #define __sun_attr___pure__ __attribute__((__pure__)) 88 89 /* 90 * This is a stronger form of __pure__. Can be used for functions 91 * that do not modify their arguments and don't depend on global 92 * memory. 93 */ 94 #define __sun_attr___const__ __attribute__((__const__)) 95 96 /* 97 * structure packing like #pragma pack(1) 98 */ 99 #define __sun_attr___packed__ __attribute__((__packed__)) 100 101 #define ___sun_attr_inner(__a) __sun_attr_##__a 102 #define __sun_attr__(__a) ___sun_attr_inner __a 103 104 #else /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */ 105 106 #define __sun_attr__(__a) 107 108 #endif /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */ 109 110 /* 111 * Shorthand versions for readability 112 */ 113 114 #define __PRINTFLIKE(__n) __sun_attr__((__PRINTFLIKE__(__n))) 115 #define __VPRINTFLIKE(__n) __sun_attr__((__VPRINTFLIKE__(__n))) 116 #define __KPRINTFLIKE(__n) __sun_attr__((__KPRINTFLIKE__(__n))) 117 #define __KVPRINTFLIKE(__n) __sun_attr__((__KVPRINTFLIKE__(__n))) 118 #define __NORETURN __sun_attr__((__noreturn__)) 119 #define __CONST __sun_attr__((__const__)) 120 #define __PURE __sun_attr__((__pure__)) 121 122 123 #ifdef __cplusplus 124 } 125 #endif 126 127 #endif /* _SYS_CCOMPILE_H */ 128