1 // Copyright 2018 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_IA32_CONSTANTS_IA32_H_ 6 #define V8_IA32_CONSTANTS_IA32_H_ 7 8 #include "src/globals.h" 9 10 namespace v8 { 11 namespace internal { 12 // Actual value of root register is offset from the root array's start 13 // to take advantage of negative displacement values. 14 // For x86, this value is provided for uniformity with other platforms, although 15 // currently no root register is present. 16 constexpr int kRootRegisterBias = 0; 17 18 // Used temporarily to track clobbering of the root register. 19 // TODO(v8:6666): Remove this once use the root register. 20 constexpr size_t kRootRegisterSentinel = 0xcafeca11; 21 22 // TODO(sigurds): Change this value once we use relative jumps. 23 constexpr size_t kMaxPCRelativeCodeRangeInMB = 0; 24 } // namespace internal 25 } // namespace v8 26 27 #endif // V8_IA32_CONSTANTS_IA32_H_ 28
