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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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52 #if CAN_USE_UNALIGNED_ACCESSES | 52 #if CAN_USE_UNALIGNED_ACCESSES |
53 #define V8_HOST_CAN_READ_UNALIGNED 1 | 53 #define V8_HOST_CAN_READ_UNALIGNED 1 |
54 #endif | 54 #endif |
55 #elif defined(_MIPS_ARCH_MIPS32R2) | 55 #elif defined(_MIPS_ARCH_MIPS32R2) |
56 #define V8_HOST_ARCH_MIPS 1 | 56 #define V8_HOST_ARCH_MIPS 1 |
57 #define V8_HOST_ARCH_32_BIT 1 | 57 #define V8_HOST_ARCH_32_BIT 1 |
58 #else | 58 #else |
59 #error Host architecture was not detected as supported by v8 | 59 #error Host architecture was not detected as supported by v8 |
60 #endif | 60 #endif |
61 | 61 |
| 62 // Target architecture detection. This may be set externally. If not, detect |
| 63 // in the same way as the host architecture, that is, target the native |
| 64 // environment as presented by the compiler. |
| 65 #if !defined(V8_TARGET_ARCH_X64) && !defined(V8_TARGET_ARCH_IA32) && \ |
| 66 !defined(V8_TARGET_ARCH_ARM) && !defined(V8_TARGET_ARCH_MIPS) |
| 67 #if defined(_M_X64) || defined(__x86_64__) |
| 68 #define V8_TARGET_ARCH_X64 1 |
| 69 #elif defined(_M_IX86) || defined(__i386__) |
| 70 #define V8_TARGET_ARCH_IA32 1 |
| 71 #elif defined(__ARMEL__) |
| 72 #define V8_TARGET_ARCH_ARM 1 |
| 73 #elif defined(_MIPS_ARCH_MIPS32R2) |
| 74 #define V8_TARGET_ARCH_MIPS 1 |
| 75 #else |
| 76 #error Target architecture was not detected as supported by v8 |
| 77 #endif |
| 78 #endif |
| 79 |
62 // Check for supported combinations of host and target architectures. | 80 // Check for supported combinations of host and target architectures. |
63 #if defined(V8_TARGET_ARCH_IA32) && !defined(V8_HOST_ARCH_IA32) | 81 #if defined(V8_TARGET_ARCH_IA32) && !defined(V8_HOST_ARCH_IA32) |
64 #error Target architecture ia32 is only supported on ia32 host | 82 #error Target architecture ia32 is only supported on ia32 host |
65 #endif | 83 #endif |
66 #if defined(V8_TARGET_ARCH_X64) && !defined(V8_HOST_ARCH_X64) | 84 #if defined(V8_TARGET_ARCH_X64) && !defined(V8_HOST_ARCH_X64) |
67 #error Target architecture x64 is only supported on x64 host | 85 #error Target architecture x64 is only supported on x64 host |
68 #endif | 86 #endif |
69 #if (defined(V8_TARGET_ARCH_ARM) && \ | 87 #if (defined(V8_TARGET_ARCH_ARM) && \ |
70 !(defined(V8_HOST_ARCH_IA32) || defined(V8_HOST_ARCH_ARM))) | 88 !(defined(V8_HOST_ARCH_IA32) || defined(V8_HOST_ARCH_ARM))) |
71 #error Target architecture arm is only supported on arm and ia32 host | 89 #error Target architecture arm is only supported on arm and ia32 host |
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635 CMOV = 15, // x86 | 653 CMOV = 15, // x86 |
636 RDTSC = 4, // x86 | 654 RDTSC = 4, // x86 |
637 CPUID = 10, // x86 | 655 CPUID = 10, // x86 |
638 VFP3 = 1, // ARM | 656 VFP3 = 1, // ARM |
639 ARMv7 = 2, // ARM | 657 ARMv7 = 2, // ARM |
640 SAHF = 0}; // x86 | 658 SAHF = 0}; // x86 |
641 | 659 |
642 } } // namespace v8::internal | 660 } } // namespace v8::internal |
643 | 661 |
644 #endif // V8_GLOBALS_H_ | 662 #endif // V8_GLOBALS_H_ |
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