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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/globals.h" | 8 #include "src/globals.h" |
9 #include "src/wasm/ast-decoder.h" | 9 #include "src/wasm/ast-decoder.h" |
10 #include "src/wasm/wasm-module.h" | 10 #include "src/wasm/wasm-module.h" |
11 #include "src/wasm/wasm-result.h" | 11 #include "src/wasm/wasm-result.h" |
12 | 12 |
13 namespace v8 { | 13 namespace v8 { |
14 namespace internal { | 14 namespace internal { |
15 namespace wasm { | 15 namespace wasm { |
16 | 16 |
17 typedef Result<const WasmModule*> ModuleResult; | 17 typedef Result<const WasmModule*> ModuleResult; |
18 typedef Result<WasmFunction*> FunctionResult; | 18 typedef Result<WasmFunction*> FunctionResult; |
19 typedef std::vector<std::pair<int, int>> FunctionOffsets; | 19 typedef std::vector<std::pair<int, int>> FunctionOffsets; |
20 typedef Result<FunctionOffsets> FunctionOffsetsResult; | 20 typedef Result<FunctionOffsets> FunctionOffsetsResult; |
21 struct AsmJsOffsetEntry { | 21 typedef std::vector<std::vector<std::pair<int, int>>> AsmJsOffsets; |
22 int byte_offset; | |
23 int source_position_call; | |
24 int source_position_number_conversion; | |
25 }; | |
26 typedef std::vector<std::vector<AsmJsOffsetEntry>> AsmJsOffsets; | |
27 typedef Result<AsmJsOffsets> AsmJsOffsetsResult; | 22 typedef Result<AsmJsOffsets> AsmJsOffsetsResult; |
28 | 23 |
29 // Decodes the bytes of a WASM module between {module_start} and {module_end}. | 24 // Decodes the bytes of a WASM module between {module_start} and {module_end}. |
30 V8_EXPORT_PRIVATE ModuleResult DecodeWasmModule(Isolate* isolate, | 25 V8_EXPORT_PRIVATE ModuleResult DecodeWasmModule(Isolate* isolate, |
31 const byte* module_start, | 26 const byte* module_start, |
32 const byte* module_end, | 27 const byte* module_end, |
33 bool verify_functions, | 28 bool verify_functions, |
34 ModuleOrigin origin); | 29 ModuleOrigin origin); |
35 | 30 |
36 // Exposed for testing. Decodes a single function signature, allocating it | 31 // Exposed for testing. Decodes a single function signature, allocating it |
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62 // failure if the wasm bytes are detected as invalid. Note that this validation | 57 // failure if the wasm bytes are detected as invalid. Note that this validation |
63 // is not complete. | 58 // is not complete. |
64 AsmJsOffsetsResult DecodeAsmJsOffsets(const byte* module_start, | 59 AsmJsOffsetsResult DecodeAsmJsOffsets(const byte* module_start, |
65 const byte* module_end); | 60 const byte* module_end); |
66 | 61 |
67 } // namespace wasm | 62 } // namespace wasm |
68 } // namespace internal | 63 } // namespace internal |
69 } // namespace v8 | 64 } // namespace v8 |
70 | 65 |
71 #endif // V8_WASM_MODULE_DECODER_H_ | 66 #endif // V8_WASM_MODULE_DECODER_H_ |
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