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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_WASM_JS_H_ | 5 #ifndef V8_WASM_JS_H_ |
6 #define V8_WASM_JS_H_ | 6 #define V8_WASM_JS_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/base/hashmap.h" | 9 #include "src/base/hashmap.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 // Exposes a WASM API to JavaScript through the V8 API. | 13 // Exposes a WASM API to JavaScript through the V8 API. |
14 class WasmJs { | 14 class WasmJs { |
15 public: | 15 public: |
16 static void Install(Isolate* isolate, Handle<JSGlobalObject> global_object); | 16 static void Install(Isolate* isolate, Handle<JSGlobalObject> global_object); |
17 | 17 |
18 V8_EXPORT_PRIVATE static void InstallWasmModuleSymbolIfNeeded( | 18 V8_EXPORT_PRIVATE static void InstallWasmModuleSymbolIfNeeded( |
19 Isolate* isolate, Handle<JSGlobalObject> global, Handle<Context> context); | 19 Isolate* isolate, Handle<JSGlobalObject> global, Handle<Context> context); |
20 | 20 |
21 V8_EXPORT_PRIVATE static void InstallWasmMapsIfNeeded( | 21 V8_EXPORT_PRIVATE static void InstallWasmMapsIfNeeded( |
22 Isolate* isolate, Handle<Context> context); | 22 Isolate* isolate, Handle<Context> context); |
23 static void InstallWasmConstructors(Isolate* isolate, | 23 static void InstallWasmConstructors(Isolate* isolate, |
24 Handle<JSGlobalObject> global, | 24 Handle<JSGlobalObject> global, |
25 Handle<Context> context); | 25 Handle<Context> context); |
26 | 26 |
27 // WebAssembly.Table. | |
28 static Handle<JSObject> CreateWasmTableObject( | |
29 Isolate* isolate, uint32_t initial, bool has_maximum, uint32_t maximum, | |
30 Handle<FixedArray>* js_functions); | |
31 | |
32 static bool IsWasmTableObject(Isolate* isolate, Handle<Object> value); | |
33 | |
34 static Handle<FixedArray> GetWasmTableFunctions(Isolate* isolate, | |
35 Handle<JSObject> object); | |
36 | |
37 static Handle<FixedArray> AddWasmTableDispatchTable( | |
38 Isolate* isolate, Handle<JSObject> table_obj, Handle<JSObject> instance, | |
39 int table_index, Handle<FixedArray> dispatch_table); | |
40 | |
41 // WebAssembly.Memory | |
42 static Handle<JSObject> CreateWasmMemoryObject(Isolate* isolate, | 27 static Handle<JSObject> CreateWasmMemoryObject(Isolate* isolate, |
43 Handle<JSArrayBuffer> buffer, | 28 Handle<JSArrayBuffer> buffer, |
44 bool has_maximum, int maximum); | 29 bool has_maximum, int maximum); |
45 | 30 |
| 31 static Handle<JSObject> CreateWasmTableObject(Isolate* isolate, |
| 32 uint32_t initial, |
| 33 bool has_maximum, |
| 34 uint32_t maximum, |
| 35 Handle<FixedArray>* array); |
| 36 |
46 static bool IsWasmMemoryObject(Isolate* isolate, Handle<Object> value); | 37 static bool IsWasmMemoryObject(Isolate* isolate, Handle<Object> value); |
47 | 38 |
48 static Handle<JSArrayBuffer> GetWasmMemoryArrayBuffer(Isolate* isolate, | 39 static Handle<JSArrayBuffer> GetWasmMemoryArrayBuffer(Isolate* isolate, |
49 Handle<Object> value); | 40 Handle<Object> value); |
50 | 41 |
51 static void SetWasmMemoryArrayBuffer(Isolate* isolate, Handle<Object> value, | 42 static void SetWasmMemoryArrayBuffer(Isolate* isolate, Handle<Object> value, |
52 Handle<JSArrayBuffer> buffer); | 43 Handle<JSArrayBuffer> buffer); |
53 | 44 |
54 static uint32_t GetWasmMemoryMaximumSize(Isolate* isolate, | 45 static uint32_t GetWasmMemoryMaximumSize(Isolate* isolate, |
55 Handle<Object> value); | 46 Handle<Object> value); |
56 | 47 |
57 static void SetWasmMemoryInstance(Isolate* isolate, Handle<Object> value, | 48 static void SetWasmMemoryInstance(Isolate* isolate, Handle<Object> value, |
58 Handle<JSObject> instance); | 49 Handle<JSObject> instance); |
59 }; | 50 }; |
60 | 51 |
61 } // namespace internal | 52 } // namespace internal |
62 } // namespace v8 | 53 } // namespace v8 |
63 #endif | 54 #endif |
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