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 #ifndef XFree86Server
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #else
  38 #include "xf86_ansic.h"
  39 #include "xf86_libc.h"
  40 #endif
  41 #include <stddef.h>
  42
  43
  44 #if defined(_WIN32) && !defined(__WIN32__)
  45 #define __WIN32__
  46 #endif
  47
  48 #if defined(_MSC_VER)
  49
  50 /* Avoid 'expression is always true' warning */
  51 #pragma warning(disable: 4296)
  52
  53 #endif /* _MSC_VER */
  54
  55
  56 /*
  57  * Alternative stdint.h and stdbool.h headers are supplied in include/c99 for
  58  * systems that lack it.
  59  */
  60 #ifndef __STDC_LIMIT_MACROS
  61 #define __STDC_LIMIT_MACROS 1
  62 #endif
  63 #include <stdint.h>
  64 #include <stdbool.h>
  65
  66
  67 #if !defined(__HAIKU__) && !defined(__USE_MISC)
  68 typedef unsigned int       uint;
  69 typedef unsigned short     ushort;
  70 #endif
  71 typedef unsigned char      ubyte;
  72
  73 typedef unsigned char boolean;
  74 #ifndef TRUE
  75 #define TRUE  true
  76 #endif
  77 #ifndef FALSE
  78 #define FALSE false
  79 #endif
  80
  81
  82 /* Function inlining */
  83 #ifndef INLINE
  84 #  ifdef __cplusplus
  85 #    define INLINE inline
  86 #  elif defined(__GNUC__)
  87 #    define INLINE __inline__
  88 #  elif defined(_MSC_VER)
  89 #    define INLINE __inline
  90 #  elif defined(__ICL)
  91 #    define INLINE __inline
  92 #  elif defined(__INTEL_COMPILER)
  93 #    define INLINE inline
  94 #  elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
  95 #    define INLINE __inline
  96 #  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
  97 #    define INLINE inline
  98 #  elif (__STDC_VERSION__ >= 199901L) /* C99 */
  99 #    define INLINE inline
 100 #  else
 101 #    define INLINE
 102 #  endif
 103 #endif
 104
 105
 106 /* Function visibility */
 107 #ifndef PUBLIC
 108 #  if (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303) \
 109         || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 110 #    define PUBLIC __attribute__((visibility("default")))
 111 #  else
 112 #    define PUBLIC
 113 #  endif
 114 #endif
 115
 116
 117 /* The __FUNCTION__ gcc variable is generally only used for debugging.
 118  * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
 119  */
 120 #ifndef __FUNCTION__
 121 # if (!defined(__GNUC__) || (__GNUC__ < 2))
 122 #  if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
 123     (defined(__SUNPRO_C) && defined(__C99FEATURES__))
 124 #   define __FUNCTION__ __func__
 125 #  else
 126 #   define __FUNCTION__ "<unknown>"
 127 #  endif
 128 # endif
 129 #endif
 130
 131
 132
 133 /* This should match linux gcc cdecl semantics everywhere, so that we
 134  * just codegen one calling convention on all platforms.
 135  */
 136 #ifdef _MSC_VER
 137 #define PIPE_CDECL __cdecl
 138 #else
 139 #define PIPE_CDECL
 140 #endif
 141
 142
 143
 144 /* Macros for data alignment. */
 145 #if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 146
 147 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Type-Attributes.html */
 148 #define PIPE_ALIGN_TYPE(_alignment, _type) _type __attribute__((aligned(_alignment)))
 149
 150 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Variable-Attributes.html */
 151 #define PIPE_ALIGN_VAR(_alignment) __attribute__((aligned(_alignment)))
 152
 153 #if (__GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1)) && !defined(PIPE_ARCH_X86_64)
 154 #define PIPE_ALIGN_STACK __attribute__((force_align_arg_pointer))
 155 #else
 156 #define PIPE_ALIGN_STACK
 157 #endif
 158
 159 #elif defined(_MSC_VER)
 160
 161 /* See http://msdn.microsoft.com/en-us/library/83ythb65.aspx */
 162 #define PIPE_ALIGN_TYPE(_alignment, _type) __declspec(align(_alignment)) _type
 163 #define PIPE_ALIGN_VAR(_alignment) __declspec(align(_alignment))
 164
 165 #define PIPE_ALIGN_STACK
 166
 167 #elif defined(SWIG)
 168
 169 #define PIPE_ALIGN_TYPE(_alignment, _type) _type
 170 #define PIPE_ALIGN_VAR(_alignment)
 171
 172 #define PIPE_ALIGN_STACK
 173
 174 #else
 175
 176 #error "Unsupported compiler"
 177
 178 #endif
 179
 180
 181
 182 #endif /* P_COMPILER_H */