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 #include <stdarg.h>
  43
  44
  45 #if defined(_WIN32) && !defined(__WIN32__)
  46 #define __WIN32__
  47 #endif
  48
  49 #if defined(_MSC_VER)
  50
  51 /* Avoid 'expression is always true' warning */
  52 #pragma warning(disable: 4296)
  53
  54 #endif /* _MSC_VER */
  55
  56
  57 /*
  58  * Alternative stdint.h and stdbool.h headers are supplied in include/c99 for
  59  * systems that lack it.
  60  */
  61 #ifndef __STDC_LIMIT_MACROS
  62 #define __STDC_LIMIT_MACROS 1
  63 #endif
  64 #include <stdint.h>
  65 #include <stdbool.h>
  66
  67
  68 #if !defined(__HAIKU__) && !defined(__USE_MISC)
  69 typedef unsigned int       uint;
  70 typedef unsigned short     ushort;
  71 #endif
  72 typedef unsigned char      ubyte;
  73
  74 typedef unsigned char boolean;
  75 #ifndef TRUE
  76 #define TRUE  true
  77 #endif
  78 #ifndef FALSE
  79 #define FALSE false
  80 #endif
  81
  82
  83 /* Function inlining */
  84 #ifndef INLINE
  85 #  ifdef __cplusplus
  86 #    define INLINE inline
  87 #  elif defined(__GNUC__)
  88 #    define INLINE __inline__
  89 #  elif defined(_MSC_VER)
  90 #    define INLINE __inline
  91 #  elif defined(__ICL)
  92 #    define INLINE __inline
  93 #  elif defined(__INTEL_COMPILER)
  94 #    define INLINE inline
  95 #  elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
  96 #    define INLINE __inline
  97 #  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
  98 #    define INLINE inline
  99 #  elif (__STDC_VERSION__ >= 199901L) /* C99 */
 100 #    define INLINE inline
 101 #  else
 102 #    define INLINE
 103 #  endif
 104 #endif
 105
 106
 107 /* Function visibility */
 108 #ifndef PUBLIC
 109 #  if (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303) \
 110         || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 111 #    define PUBLIC __attribute__((visibility("default")))
 112 #  else
 113 #    define PUBLIC
 114 #  endif
 115 #endif
 116
 117
 118 /* The __FUNCTION__ gcc variable is generally only used for debugging.
 119  * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
 120  */
 121 #ifndef __FUNCTION__
 122 # if (!defined(__GNUC__) || (__GNUC__ < 2))
 123 #  if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
 124     (defined(__SUNPRO_C) && defined(__C99FEATURES__))
 125 #   define __FUNCTION__ __func__
 126 #  else
 127 #   define __FUNCTION__ "<unknown>"
 128 #  endif
 129 # endif
 130 # if defined(_MSC_VER) && _MSC_VER < 1300
 131 #  define __FUNCTION__ "<unknown>"
 132 # endif
 133 #endif
 134
 135
 136
 137 /* This should match linux gcc cdecl semantics everywhere, so that we
 138  * just codegen one calling convention on all platforms.
 139  */
 140 #ifdef _MSC_VER
 141 #define PIPE_CDECL __cdecl
 142 #else
 143 #define PIPE_CDECL
 144 #endif
 145
 146
 147
 148 /* Macros for data alignment. */
 149 #if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 150
 151 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Type-Attributes.html */
 152 #define PIPE_ALIGN_TYPE(_alignment, _type) _type __attribute__((aligned(_alignment)))
 153
 154 /* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Variable-Attributes.html */
 155 #define PIPE_ALIGN_VAR(_alignment) __attribute__((aligned(_alignment)))
 156
 157 #if (__GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1)) && !defined(PIPE_ARCH_X86_64)
 158 #define PIPE_ALIGN_STACK __attribute__((force_align_arg_pointer))
 159 #else
 160 #define PIPE_ALIGN_STACK
 161 #endif
 162
 163 #elif defined(_MSC_VER)
 164
 165 /* See http://msdn.microsoft.com/en-us/library/83ythb65.aspx */
 166 #define PIPE_ALIGN_TYPE(_alignment, _type) __declspec(align(_alignment)) _type
 167 #define PIPE_ALIGN_VAR(_alignment) __declspec(align(_alignment))
 168
 169 #define PIPE_ALIGN_STACK
 170
 171 #elif defined(SWIG)
 172
 173 #define PIPE_ALIGN_TYPE(_alignment, _type) _type
 174 #define PIPE_ALIGN_VAR(_alignment)
 175
 176 #define PIPE_ALIGN_STACK
 177
 178 #else
 179
 180 #error "Unsupported compiler"
 181
 182 #endif
 183
 184
 185
 186 #endif /* P_COMPILER_H */