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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_BASE_BUILD_CONFIG_H_ | 5 #ifndef V8_BASE_BUILD_CONFIG_H_ |
6 #define V8_BASE_BUILD_CONFIG_H_ | 6 #define V8_BASE_BUILD_CONFIG_H_ |
7 | 7 |
8 #include "include/v8config.h" | 8 #include "include/v8config.h" |
9 | 9 |
10 // Processor architecture detection. For more info on what's defined, see: | 10 // Processor architecture detection. For more info on what's defined, see: |
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22 #define V8_HOST_ARCH_IA32 1 | 22 #define V8_HOST_ARCH_IA32 1 |
23 #define V8_HOST_ARCH_32_BIT 1 | 23 #define V8_HOST_ARCH_32_BIT 1 |
24 #else | 24 #else |
25 #define V8_HOST_ARCH_X64 1 | 25 #define V8_HOST_ARCH_X64 1 |
26 #if defined(__x86_64__) && __SIZEOF_POINTER__ == 4 // Check for x32. | 26 #if defined(__x86_64__) && __SIZEOF_POINTER__ == 4 // Check for x32. |
27 #define V8_HOST_ARCH_32_BIT 1 | 27 #define V8_HOST_ARCH_32_BIT 1 |
28 #else | 28 #else |
29 #define V8_HOST_ARCH_64_BIT 1 | 29 #define V8_HOST_ARCH_64_BIT 1 |
30 #endif | 30 #endif |
31 #endif // __native_client__ | 31 #endif // __native_client__ |
| 32 #elif defined(__pnacl__) |
| 33 // PNaCl is also ILP-32. |
| 34 #define V8_HOST_ARCH_IA32 1 |
| 35 #define V8_HOST_ARCH_32_BIT 1 |
32 #elif defined(_M_IX86) || defined(__i386__) | 36 #elif defined(_M_IX86) || defined(__i386__) |
33 #define V8_HOST_ARCH_IA32 1 | 37 #define V8_HOST_ARCH_IA32 1 |
34 #define V8_HOST_ARCH_32_BIT 1 | 38 #define V8_HOST_ARCH_32_BIT 1 |
35 #elif defined(__AARCH64EL__) | 39 #elif defined(__AARCH64EL__) |
36 #define V8_HOST_ARCH_ARM64 1 | 40 #define V8_HOST_ARCH_ARM64 1 |
37 #define V8_HOST_ARCH_64_BIT 1 | 41 #define V8_HOST_ARCH_64_BIT 1 |
38 #elif defined(__ARMEL__) | 42 #elif defined(__ARMEL__) |
39 #define V8_HOST_ARCH_ARM 1 | 43 #define V8_HOST_ARCH_ARM 1 |
40 #define V8_HOST_ARCH_32_BIT 1 | 44 #define V8_HOST_ARCH_32_BIT 1 |
41 #elif defined(__mips64) | 45 #elif defined(__mips64) |
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152 #define V8_TARGET_LITTLE_ENDIAN 1 | 156 #define V8_TARGET_LITTLE_ENDIAN 1 |
153 #else | 157 #else |
154 #error Unknown target architecture endianness | 158 #error Unknown target architecture endianness |
155 #endif | 159 #endif |
156 | 160 |
157 // Number of bits to represent the page size for paged spaces. The value of 20 | 161 // Number of bits to represent the page size for paged spaces. The value of 20 |
158 // gives 1Mb bytes per page. | 162 // gives 1Mb bytes per page. |
159 const int kPageSizeBits = 20; | 163 const int kPageSizeBits = 20; |
160 | 164 |
161 #endif // V8_BASE_BUILD_CONFIG_H_ | 165 #endif // V8_BASE_BUILD_CONFIG_H_ |
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