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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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141 // the use of a simulated environment. | 141 // the use of a simulated environment. |
142 #if !defined(USE_SIMULATOR) | 142 #if !defined(USE_SIMULATOR) |
143 #if (defined(V8_TARGET_ARCH_ARM) && !defined(V8_HOST_ARCH_ARM)) | 143 #if (defined(V8_TARGET_ARCH_ARM) && !defined(V8_HOST_ARCH_ARM)) |
144 #define USE_SIMULATOR 1 | 144 #define USE_SIMULATOR 1 |
145 #endif | 145 #endif |
146 #if (defined(V8_TARGET_ARCH_MIPS) && !defined(V8_HOST_ARCH_MIPS)) | 146 #if (defined(V8_TARGET_ARCH_MIPS) && !defined(V8_HOST_ARCH_MIPS)) |
147 #define USE_SIMULATOR 1 | 147 #define USE_SIMULATOR 1 |
148 #endif | 148 #endif |
149 #endif | 149 #endif |
150 | 150 |
| 151 // Determine architecture endiannes (we only support little-endian). |
| 152 #if defined(V8_TARGET_ARCH_IA32) |
| 153 #define V8_TARGET_LITTLE_ENDIAN 1 |
| 154 #elif defined(V8_TARGET_ARCH_X64) |
| 155 #define V8_TARGET_LITTLE_ENDIAN 1 |
| 156 #elif defined(V8_TARGET_ARCH_ARM) |
| 157 #define V8_TARGET_LITTLE_ENDIAN 1 |
| 158 #elif defined(V8_TARGET_ARCH_MIPS) |
| 159 #define V8_TARGET_LITTLE_ENDIAN 1 |
| 160 #else |
| 161 #error Unknown target architecture endiannes |
| 162 #endif |
| 163 |
151 // Support for alternative bool type. This is only enabled if the code is | 164 // Support for alternative bool type. This is only enabled if the code is |
152 // compiled with USE_MYBOOL defined. This catches some nasty type bugs. | 165 // compiled with USE_MYBOOL defined. This catches some nasty type bugs. |
153 // For instance, 'bool b = "false";' results in b == true! This is a hidden | 166 // For instance, 'bool b = "false";' results in b == true! This is a hidden |
154 // source of bugs. | 167 // source of bugs. |
155 // However, redefining the bool type does have some negative impact on some | 168 // However, redefining the bool type does have some negative impact on some |
156 // platforms. It gives rise to compiler warnings (i.e. with | 169 // platforms. It gives rise to compiler warnings (i.e. with |
157 // MSVC) in the API header files when mixing code that uses the standard | 170 // MSVC) in the API header files when mixing code that uses the standard |
158 // bool with code that uses the redefined version. | 171 // bool with code that uses the redefined version. |
159 // This does not actually belong in the platform code, but needs to be | 172 // This does not actually belong in the platform code, but needs to be |
160 // defined here because the platform code uses bool, and platform.h is | 173 // defined here because the platform code uses bool, and platform.h is |
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406 // the backend, so both modes are represented by the kStrictMode value. | 419 // the backend, so both modes are represented by the kStrictMode value. |
407 enum StrictModeFlag { | 420 enum StrictModeFlag { |
408 kNonStrictMode, | 421 kNonStrictMode, |
409 kStrictMode | 422 kStrictMode |
410 }; | 423 }; |
411 | 424 |
412 | 425 |
413 } } // namespace v8::internal | 426 } } // namespace v8::internal |
414 | 427 |
415 #endif // V8_GLOBALS_H_ | 428 #endif // V8_GLOBALS_H_ |
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