src/gallium/include/pipe/p_compiler.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 TUNGSTEN GRAPHICS 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 "p_config.h"
  33
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <stddef.h>
  37 #include <stdarg.h>
  38
  39
  40 #if defined(_WIN32) && !defined(__WIN32__)
  41 #define __WIN32__
  42 #endif
  43
  44 #if defined(_MSC_VER)
  45
  46 /* Avoid 'expression is always true' warning */
  47 #pragma warning(disable: 4296)
  48
  49 #endif /* _MSC_VER */
  50
  51
  52 /*
  53  * Alternative stdint.h and stdbool.h headers are supplied in include/c99 for
  54  * systems that lack it.
  55  */
  56 #ifndef __STDC_LIMIT_MACROS
  57 #define __STDC_LIMIT_MACROS 1
  58 #endif
  59 #include <stdint.h>
  60 #include <stdbool.h>
  61
  62
  63 #if !defined(__HAIKU__) && !defined(__USE_MISC)
  64 typedef unsigned int       uint;
  65 typedef unsigned short     ushort;
  66 #endif
  67 typedef unsigned char      ubyte;
  68
  69 typedef unsigned char boolean;
  70 #ifndef TRUE
  71 #define TRUE  true
  72 #endif
  73 #ifndef FALSE
  74 #define FALSE false
  75 #endif
  76
  77 /* Function inlining */
  78 #ifndef INLINE
  79 #  ifdef __cplusplus
  80 #    define INLINE inline
  81 #  elif defined(__GNUC__)
  82 #    define INLINE __inline__
  83 #  elif defined(_MSC_VER)
  84 #    define INLINE __inline
  85 #  elif defined(__ICL)
  86 #    define INLINE __inline
  87 #  elif defined(__INTEL_COMPILER)
  88 #    define INLINE inline
  89 #  elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
  90 #    define INLINE __inline
  91 #  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
  92 #    define INLINE inline
  93 #  elif (__STDC_VERSION__ >= 199901L) /* C99 */
  94 #    define INLINE inline
  95 #  else
  96 #    define INLINE
  97 #  endif
  98 #endif
  99
 100
 101 /* Function visibility */
 102 #ifndef PUBLIC
 103 #  if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 104 #    define PUBLIC __attribute__((visibility("default")))
 105 #  else
 106 #    define PUBLIC
 107 #  endif
 108 #endif
 109
 110
 111 /* The __FUNCTION__ gcc variable is generally only used for debugging.
 112  * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
 113  */
 114 #ifndef __FUNCTION__
 115 # if !defined(__GNUC__)
 116 #  if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
 117     (defined(__SUNPRO_C) && defined(__C99FEATURES__))
 118 #   define __FUNCTION__ __func__
 119 #  else
 120 #   define __FUNCTION__ "<unknown>"
 121 #  endif
 122 # endif
 123 # if defined(_MSC_VER) && _MSC_VER < 1300
 124 #  define __FUNCTION__ "<unknown>"
 125 # endif
 126 #endif
 127
 128
 129
 130 /* This should match linux gcc cdecl semantics everywhere, so that we
 131  * just codegen one calling convention on all platforms.
 132  */
 133 #ifdef _MSC_VER
 134 #define PIPE_CDECL __cdecl
 135 #else
 136 #define PIPE_CDECL
 137 #endif
 138
 139
 140
 141 #if defined(__GNUC__)
 142 #define PIPE_DEPRECATED  __attribute__((__deprecated__))
 143 #else
 144 #define PIPE_DEPRECATED
 145 #endif
 146
 147
 148
 149 /* Macros for data alignment. */
 150 #if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 151
 152 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Type-Attributes.html */
 153 #define PIPE_ALIGN_TYPE(_alignment, _type) _type __attribute__((aligned(_alignment)))
 154
 155 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Variable-Attributes.html */
 156 #define PIPE_ALIGN_VAR(_alignment) __attribute__((aligned(_alignment)))
 157
 158 #if (__GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1)) && !defined(PIPE_ARCH_X86_64)
 159 #define PIPE_ALIGN_STACK __attribute__((force_align_arg_pointer))
 160 #else
 161 #define PIPE_ALIGN_STACK
 162 #endif
 163
 164 #elif defined(_MSC_VER)
 165
 166 /* See http://msdn.microsoft.com/en-us/library/83ythb65.aspx */
 167 #define PIPE_ALIGN_TYPE(_alignment, _type) __declspec(align(_alignment)) _type
 168 #define PIPE_ALIGN_VAR(_alignment) __declspec(align(_alignment))
 169
 170 #define PIPE_ALIGN_STACK
 171
 172 #elif defined(SWIG)
 173
 174 #define PIPE_ALIGN_TYPE(_alignment, _type) _type
 175 #define PIPE_ALIGN_VAR(_alignment)
 176
 177 #define PIPE_ALIGN_STACK
 178
 179 #else
 180
 181 #error "Unsupported compiler"
 182
 183 #endif
 184
 185
 186
 187 #endif /* P_COMPILER_H */