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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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_OBJECTS_H_ | 5 #ifndef V8_WASM_OBJECTS_H_ |
| 6 #define V8_WASM_OBJECTS_H_ | 6 #define V8_WASM_OBJECTS_H_ |
| 7 | 7 |
| 8 #include "src/debug/interface-types.h" | 8 #include "src/debug/interface-types.h" |
| 9 #include "src/objects-inl.h" | 9 #include "src/objects-inl.h" |
| 10 #include "src/trap-handler/trap-handler.h" | 10 #include "src/trap-handler/trap-handler.h" |
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| 289 int GetContainingFunction(uint32_t byte_offset) const; | 289 int GetContainingFunction(uint32_t byte_offset) const; |
| 290 | 290 |
| 291 // Translate from byte offset in the module to function number and byte offset | 291 // Translate from byte offset in the module to function number and byte offset |
| 292 // within that function, encoded as line and column in the position info. | 292 // within that function, encoded as line and column in the position info. |
| 293 // Returns true if the position is valid inside this module, false otherwise. | 293 // Returns true if the position is valid inside this module, false otherwise. |
| 294 bool GetPositionInfo(uint32_t position, Script::PositionInfo* info); | 294 bool GetPositionInfo(uint32_t position, Script::PositionInfo* info); |
| 295 | 295 |
| 296 // Get the asm.js source position from a byte offset. | 296 // Get the asm.js source position from a byte offset. |
| 297 // Must only be called if the associated wasm object was created from asm.js. | 297 // Must only be called if the associated wasm object was created from asm.js. |
| 298 static int GetAsmJsSourcePosition(Handle<WasmCompiledModule> debug_info, | 298 static int GetAsmJsSourcePosition(Handle<WasmCompiledModule> debug_info, |
| 299 uint32_t func_index, uint32_t byte_offset, | 299 uint32_t func_index, uint32_t byte_offset); |
| 300 bool is_at_number_conversion); | |
| 301 | 300 |
| 302 // Compute the disassembly of a wasm function. | 301 // Compute the disassembly of a wasm function. |
| 303 // Returns the disassembly string and a list of <byte_offset, line, column> | 302 // Returns the disassembly string and a list of <byte_offset, line, column> |
| 304 // entries, mapping wasm byte offsets to line and column in the disassembly. | 303 // entries, mapping wasm byte offsets to line and column in the disassembly. |
| 305 // The list is guaranteed to be ordered by the byte_offset. | 304 // The list is guaranteed to be ordered by the byte_offset. |
| 306 // Returns an empty string and empty vector if the function index is invalid. | 305 // Returns an empty string and empty vector if the function index is invalid. |
| 307 debug::WasmDisassembly DisassembleFunction(int func_index); | 306 debug::WasmDisassembly DisassembleFunction(int func_index); |
| 308 | 307 |
| 309 private: | 308 private: |
| 310 void InitId(); | 309 void InitId(); |
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| 380 }; | 379 }; |
| 381 }; | 380 }; |
| 382 | 381 |
| 383 #undef DECLARE_ACCESSORS | 382 #undef DECLARE_ACCESSORS |
| 384 #undef DECLARE_OPTIONAL_ACCESSORS | 383 #undef DECLARE_OPTIONAL_ACCESSORS |
| 385 | 384 |
| 386 } // namespace internal | 385 } // namespace internal |
| 387 } // namespace v8 | 386 } // namespace v8 |
| 388 | 387 |
| 389 #endif // V8_WASM_OBJECTS_H_ | 388 #endif // V8_WASM_OBJECTS_H_ |
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