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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 // 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_GLOBALS_H_ | 5 #ifndef V8_GLOBALS_H_ |
6 #define V8_GLOBALS_H_ | 6 #define V8_GLOBALS_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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130 const int kFrameAlignmentInBytes = kPointerSize; | 130 const int kFrameAlignmentInBytes = kPointerSize; |
131 #endif | 131 #endif |
132 #if V8_TARGET_ARCH_X64 && V8_TARGET_ARCH_32_BIT | 132 #if V8_TARGET_ARCH_X64 && V8_TARGET_ARCH_32_BIT |
133 const int kRegisterSize = kPointerSize + kPointerSize; | 133 const int kRegisterSize = kPointerSize + kPointerSize; |
134 #else | 134 #else |
135 const int kRegisterSize = kPointerSize; | 135 const int kRegisterSize = kPointerSize; |
136 #endif | 136 #endif |
137 const int kPCOnStackSize = kRegisterSize; | 137 const int kPCOnStackSize = kRegisterSize; |
138 const int kFPOnStackSize = kRegisterSize; | 138 const int kFPOnStackSize = kRegisterSize; |
139 | 139 |
140 #if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_IA32 | 140 #if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87 |
141 const int kElidedFrameSlots = kPCOnStackSize / kPointerSize; | 141 const int kElidedFrameSlots = kPCOnStackSize / kPointerSize; |
142 #else | 142 #else |
143 const int kElidedFrameSlots = 0; | 143 const int kElidedFrameSlots = 0; |
144 #endif | 144 #endif |
145 | 145 |
146 const int kDoubleSizeLog2 = 3; | 146 const int kDoubleSizeLog2 = 3; |
147 | 147 |
148 #if V8_HOST_ARCH_64_BIT | 148 #if V8_HOST_ARCH_64_BIT |
149 const int kPointerSizeLog2 = 3; | 149 const int kPointerSizeLog2 = 3; |
150 const intptr_t kIntptrSignBit = V8_INT64_C(0x8000000000000000); | 150 const intptr_t kIntptrSignBit = V8_INT64_C(0x8000000000000000); |
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1039 return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >> | 1039 return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >> |
1040 kPointerSizeLog2); | 1040 kPointerSizeLog2); |
1041 } | 1041 } |
1042 | 1042 |
1043 } // namespace internal | 1043 } // namespace internal |
1044 } // namespace v8 | 1044 } // namespace v8 |
1045 | 1045 |
1046 namespace i = v8::internal; | 1046 namespace i = v8::internal; |
1047 | 1047 |
1048 #endif // V8_GLOBALS_H_ | 1048 #endif // V8_GLOBALS_H_ |
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