Mercurial > sdl-ios-xcode
annotate include/begin_code.h @ 3883:cfe850b334e7 SDL-1.2
Also save/restore fpu register in vbl interrupt
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Sat, 21 Oct 2006 18:53:33 +0000 |
| parents | f12379c41042 |
| children | 782fd950bd46 19d708301fab |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* This file sets things up for C dynamic library function definitions, | |
| 24 static inlined functions, and structures aligned at 4-byte alignment. | |
| 25 If you don't like ugly C preprocessor code, don't look at this file. :) | |
| 26 */ | |
| 27 | |
| 28 /* This shouldn't be nested -- included it around code only. */ | |
| 29 #ifdef _begin_code_h | |
| 30 #error Nested inclusion of begin_code.h | |
| 31 #endif | |
| 32 #define _begin_code_h | |
| 33 | |
| 34 /* Some compilers use a special export keyword */ | |
| 35 #ifndef DECLSPEC | |
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36 # if defined(__BEOS__) |
| 0 | 37 # if defined(__GNUC__) |
| 38 # define DECLSPEC __declspec(dllexport) | |
| 39 # else | |
| 40 # define DECLSPEC __declspec(export) | |
| 41 # endif | |
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42 # elif defined(__WIN32__) |
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43 # ifdef __BORLANDC__ |
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44 # ifdef BUILD_SDL |
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45 # define DECLSPEC |
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46 # else |
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47 # define DECLSPEC __declspec(dllimport) |
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48 # endif |
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49 # else |
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50 # define DECLSPEC __declspec(dllexport) |
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51 # endif |
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52 # elif defined(__OS2__) |
| 1190 | 53 # ifdef __WATCOMC__ |
| 54 # ifdef BUILD_SDL | |
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55 # define DECLSPEC __declspec(dllexport) |
| 1190 | 56 # else |
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57 # define DECLSPEC |
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58 # endif |
| 1190 | 59 # else |
| 60 # define DECLSPEC | |
| 61 # endif | |
| 62 # else | |
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63 # if defined(__GNUC__) && __GNUC__ >= 4 |
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64 # define DECLSPEC __attribute__ ((visibility("default"))) |
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65 # else |
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66 # define DECLSPEC |
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67 # endif |
| 0 | 68 # endif |
| 69 #endif | |
| 70 | |
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71 /* By default SDL uses the C calling convention */ |
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72 #ifndef SDLCALL |
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73 #if defined(__WIN32__) && !defined(__GNUC__) |
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74 #define SDLCALL __cdecl |
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75 #else |
| 1190 | 76 #ifdef __OS2__ |
| 77 /* But on OS/2, we use the _System calling convention */ | |
| 78 /* to be compatible with every compiler */ | |
| 79 #define SDLCALL _System | |
| 80 #else | |
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81 #define SDLCALL |
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82 #endif |
| 1190 | 83 #endif |
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84 #endif /* SDLCALL */ |
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85 |
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86 /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */ |
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87 #ifdef __SYMBIAN32__ |
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88 #undef DECLSPEC |
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89 #define DECLSPEC |
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90 #endif /* __SYMBIAN32__ */ |
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91 |
| 0 | 92 /* Force structure packing at 4 byte alignment. |
| 93 This is necessary if the header is included in code which has structure | |
| 94 packing set to an alternate value, say for loading structures from disk. | |
| 95 The packing is reset to the previous value in close_code.h | |
| 96 */ | |
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97 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) |
| 0 | 98 #ifdef _MSC_VER |
| 99 #pragma warning(disable: 4103) | |
| 100 #endif | |
| 101 #ifdef __BORLANDC__ | |
| 102 #pragma nopackwarning | |
| 103 #endif | |
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104 #pragma pack(push,4) |
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105 #elif (defined(__MWERKS__) && defined(__MACOS__)) |
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106 #pragma options align=mac68k4byte |
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107 #pragma enumsalwaysint on |
| 0 | 108 #endif /* Compiler needs structure packing set */ |
| 109 | |
| 110 /* Set up compiler-specific options for inlining functions */ | |
| 111 #ifndef SDL_INLINE_OKAY | |
| 112 #ifdef __GNUC__ | |
| 113 #define SDL_INLINE_OKAY | |
| 114 #else | |
| 115 /* Add any special compiler-specific cases here */ | |
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116 #if defined(_MSC_VER) || defined(__BORLANDC__) || \ |
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117 defined(__DMC__) || defined(__SC__) || \ |
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118 defined(__WATCOMC__) || defined(__LCC__) || \ |
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119 defined(__DECC) |
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120 #ifndef __inline__ |
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121 #define __inline__ __inline |
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122 #endif |
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123 #define SDL_INLINE_OKAY |
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124 #else |
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125 #if !defined(__MRC__) && !defined(_SGI_SOURCE) |
| 0 | 126 #define __inline__ inline |
| 127 #define SDL_INLINE_OKAY | |
| 128 #endif /* Not a funky compiler */ | |
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129 #endif /* Visual C++ */ |
| 0 | 130 #endif /* GNU C */ |
| 131 #endif /* SDL_INLINE_OKAY */ | |
| 132 | |
| 133 /* If inlining isn't supported, remove "__inline__", turning static | |
| 134 inlined functions into static functions (resulting in code bloat | |
| 135 in all files which include the offending header files) | |
| 136 */ | |
| 137 #ifndef SDL_INLINE_OKAY | |
| 138 #define __inline__ | |
| 139 #endif | |
| 140 | |
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141 /* Apparently this is needed by several Windows compilers */ |
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142 #if !defined(__MACH__) |
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143 #ifndef NULL |
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144 #ifdef __cplusplus |
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145 #define NULL 0 |
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146 #else |
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147 #define NULL ((void *)0) |
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148 #endif |
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149 #endif /* NULL */ |
| 1621 | 150 #endif /* ! Mac OS X - breaks precompiled headers */ |