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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_MODULE_DECODER_H_ | 5 #ifndef V8_WASM_MODULE_DECODER_H_ |
6 #define V8_WASM_MODULE_DECODER_H_ | 6 #define V8_WASM_MODULE_DECODER_H_ |
7 | 7 |
8 #include "src/wasm/ast-decoder.h" | 8 #include "src/wasm/ast-decoder.h" |
9 #include "src/wasm/wasm-module.h" | 9 #include "src/wasm/wasm-module.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 namespace wasm { | 13 namespace wasm { |
14 // Decodes the bytes of a WASM module between {module_start} and {module_end}. | 14 // Decodes the bytes of a WASM module between {module_start} and {module_end}. |
15 ModuleResult DecodeWasmModule(Isolate* isolate, Zone* zone, | 15 V8_EXPORT_PRIVATE ModuleResult DecodeWasmModule(Isolate* isolate, Zone* zone, |
16 const byte* module_start, const byte* module_end, | 16 const byte* module_start, |
17 bool verify_functions, ModuleOrigin origin); | 17 const byte* module_end, |
| 18 bool verify_functions, |
| 19 ModuleOrigin origin); |
18 | 20 |
19 // Exposed for testing. Decodes a single function signature, allocating it | 21 // Exposed for testing. Decodes a single function signature, allocating it |
20 // in the given zone. Returns {nullptr} upon failure. | 22 // in the given zone. Returns {nullptr} upon failure. |
21 FunctionSig* DecodeWasmSignatureForTesting(Zone* zone, const byte* start, | 23 FunctionSig* DecodeWasmSignatureForTesting(Zone* zone, const byte* start, |
22 const byte* end); | 24 const byte* end); |
23 | 25 |
24 // Decodes the bytes of a WASM function between | 26 // Decodes the bytes of a WASM function between |
25 // {function_start} and {function_end}. | 27 // {function_start} and {function_end}. |
26 FunctionResult DecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleEnv* env, | 28 FunctionResult DecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleEnv* env, |
27 const byte* function_start, | 29 const byte* function_start, |
28 const byte* function_end); | 30 const byte* function_end); |
29 | 31 |
30 // Extracts the function offset table from the wasm module bytes. | 32 // Extracts the function offset table from the wasm module bytes. |
31 // Returns a vector with <offset, length> entries, or failure if the wasm bytes | 33 // Returns a vector with <offset, length> entries, or failure if the wasm bytes |
32 // are detected as invalid. Note that this validation is not complete. | 34 // are detected as invalid. Note that this validation is not complete. |
33 FunctionOffsetsResult DecodeWasmFunctionOffsets(const byte* module_start, | 35 FunctionOffsetsResult DecodeWasmFunctionOffsets(const byte* module_start, |
34 const byte* module_end); | 36 const byte* module_end); |
35 | 37 |
36 } // namespace wasm | 38 } // namespace wasm |
37 } // namespace internal | 39 } // namespace internal |
38 } // namespace v8 | 40 } // namespace v8 |
39 | 41 |
40 #endif // V8_WASM_MODULE_DECODER_H_ | 42 #endif // V8_WASM_MODULE_DECODER_H_ |
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