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