1 /************************************************************************** 2 * 3 * Copyright 2007-2008 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef P_COMPILER_H 29 #define P_COMPILER_H 30 31 32 #include "c99_compat.h" /* inline, __func__, etc. */ 33 34 #include "p_config.h" 35 36 #include "util/macros.h" 37 38 #include <stdlib.h> 39 #include <string.h> 40 #include <stddef.h> 41 #include <stdarg.h> 42 #include <limits.h> 43 44 45 #if defined(_WIN32) && !defined(__WIN32__) 46 #define __WIN32__ 47 #endif 48 49 #if defined(_MSC_VER) 50 51 #include <intrin.h> 52 53 /* Avoid 'expression is always true' warning */ 54 #pragma warning(disable: 4296) 55 56 #endif /* _MSC_VER */ 57 58 59 /* 60 * Alternative stdint.h and stdbool.h headers are supplied in include/c99 for 61 * systems that lack it. 62 */ 63 #ifndef __STDC_LIMIT_MACROS 64 #define __STDC_LIMIT_MACROS 1 65 #endif 66 #include <stdint.h> 67 #include <stdbool.h> 68 69 70 #ifdef __cplusplus 71 extern "C" { 72 #endif 73 74 75 #if !defined(__HAIKU__) && !defined(__USE_MISC) 76 #if !defined(PIPE_OS_ANDROID) 77 typedef unsigned int uint; 78 #endif 79 typedef unsigned short ushort; 80 #endif 81 typedef unsigned char ubyte; 82 83 typedef unsigned char boolean; 84 #ifndef TRUE 85 #define TRUE true 86 #endif 87 #ifndef FALSE 88 #define FALSE false 89 #endif 90 91 #ifndef va_copy 92 #ifdef __va_copy 93 #define va_copy(dest, src) __va_copy((dest), (src)) 94 #else 95 #define va_copy(dest, src) (dest) = (src) 96 #endif 97 #endif 98 99 /* Forced function inlining */ 100 #ifndef ALWAYS_INLINE 101 # ifdef __GNUC__ 102 # define ALWAYS_INLINE inline __attribute__((always_inline)) 103 # elif defined(_MSC_VER) 104 # define ALWAYS_INLINE __forceinline 105 # else 106 # define ALWAYS_INLINE inline 107 # endif 108 #endif 109 110 111 /* XXX: Use standard `__func__` instead */ 112 #ifndef __FUNCTION__ 113 # define __FUNCTION__ __func__ 114 #endif 115 116 117 /* This should match linux gcc cdecl semantics everywhere, so that we 118 * just codegen one calling convention on all platforms. 119 */ 120 #ifdef _MSC_VER 121 #define PIPE_CDECL __cdecl 122 #else 123 #define PIPE_CDECL 124 #endif 125 126 127 128 #if defined(__GNUC__) 129 #define PIPE_DEPRECATED __attribute__((__deprecated__)) 130 #else 131 #define PIPE_DEPRECATED 132 #endif 133 134 135 136 /* Macros for data alignment. */ 137 #if defined(__GNUC__) 138 139 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Type-Attributes.html */ 140 #define PIPE_ALIGN_TYPE(_alignment, _type) _type __attribute__((aligned(_alignment))) 141 142 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Variable-Attributes.html */ 143 #define PIPE_ALIGN_VAR(_alignment) __attribute__((aligned(_alignment))) 144 145 #if defined(__GNUC__) && !defined(PIPE_ARCH_X86_64) 146 #define PIPE_ALIGN_STACK __attribute__((force_align_arg_pointer)) 147 #else 148 #define PIPE_ALIGN_STACK 149 #endif 150 151 #elif defined(_MSC_VER) 152 153 /* See http://msdn.microsoft.com/en-us/library/83ythb65.aspx */ 154 #define PIPE_ALIGN_TYPE(_alignment, _type) __declspec(align(_alignment)) _type 155 #define PIPE_ALIGN_VAR(_alignment) __declspec(align(_alignment)) 156 157 #define PIPE_ALIGN_STACK 158 159 #elif defined(SWIG) 160 161 #define PIPE_ALIGN_TYPE(_alignment, _type) _type 162 #define PIPE_ALIGN_VAR(_alignment) 163 164 #define PIPE_ALIGN_STACK 165 166 #else 167 168 #error "Unsupported compiler" 169 170 #endif 171 172 173 #if defined(__GNUC__) 174 175 #define PIPE_READ_WRITE_BARRIER() __asm__("":::"memory") 176 177 #elif defined(_MSC_VER) 178 179 #define PIPE_READ_WRITE_BARRIER() _ReadWriteBarrier() 180 181 #else 182 183 #warning "Unsupported compiler" 184 #define PIPE_READ_WRITE_BARRIER() /* */ 185 186 #endif 187 188 #if defined(__cplusplus) 189 } 190 #endif 191 192 193 #endif /* P_COMPILER_H */ 194