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_NUMBERS_MATH_RANDOM_H_
6 #define V8_NUMBERS_MATH_RANDOM_H_
7 
8 #include "src/common/globals.h"
9 #include "src/objects/contexts.h"
10 
11 namespace v8 {
12 namespace internal {
13 
14 class MathRandom : public AllStatic {
15  public:
16   static void InitializeContext(Isolate* isolate,
17                                 Handle<Context> native_context);
18 
19   static void ResetContext(Context native_context);
20   // Takes native context as a raw Address for ExternalReference usage.
21   // Returns a tagged Smi as a raw Address.
22   static Address RefillCache(Isolate* isolate, Address raw_native_context);
23 
24   static const int kCacheSize = 64;
25   static const int kStateSize = 2 * kInt64Size;
26 
27   struct State {
28     uint64_t s0;
29     uint64_t s1;
30   };
31 };
32 
33 }  // namespace internal
34 }  // namespace v8
35 #endif  // V8_NUMBERS_MATH_RANDOM_H_
36