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 3 // found in the LICENSE file. 4 5 #ifndef V8_WASM_MODULE_DECODER_H_ 6 #define V8_WASM_MODULE_DECODER_H_ 7 8 #include "src/wasm/ast-decoder.h" 9 #include "src/wasm/wasm-module.h" 10 11 namespace v8 { 12 namespace internal { 13 namespace wasm { 14 // Decodes the bytes of a WASM module between {module_start} and {module_end}. 15 ModuleResult DecodeWasmModule(Isolate* isolate, Zone* zone, 16 const byte* module_start, const byte* module_end, 17 bool verify_functions, ModuleOrigin origin); 18 19 // Exposed for testing. Decodes a single function signature, allocating it 20 // in the given zone. Returns {nullptr} upon failure. 21 FunctionSig* DecodeWasmSignatureForTesting(Zone* zone, const byte* start, 22 const byte* end); 23 24 // Decodes the bytes of a WASM function between 25 // {function_start} and {function_end}. 26 FunctionResult DecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleEnv* env, 27 const byte* function_start, 28 const byte* function_end); 29 30 // Extracts the function offset table from the wasm module bytes. 31 // 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. 33 FunctionOffsetsResult DecodeWasmFunctionOffsets(const byte* module_start, 34 const byte* module_end); 35 36 } // namespace wasm 37 } // namespace internal 38 } // namespace v8 39 40 #endif // V8_WASM_MODULE_DECODER_H_ 41