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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_AST_DECODER_H_ | 5 #ifndef V8_WASM_AST_DECODER_H_ |
6 #define V8_WASM_AST_DECODER_H_ | 6 #define V8_WASM_AST_DECODER_H_ |
7 | 7 |
8 #include "src/signature.h" | 8 #include "src/signature.h" |
9 #include "src/wasm/decoder.h" | 9 #include "src/wasm/decoder.h" |
10 #include "src/wasm/wasm-opcodes.h" | 10 #include "src/wasm/wasm-opcodes.h" |
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187 const byte* base; // base of the module bytes, for error reporting | 187 const byte* base; // base of the module bytes, for error reporting |
188 const byte* start; // start of the function body | 188 const byte* start; // start of the function body |
189 const byte* end; // end of the function body | 189 const byte* end; // end of the function body |
190 }; | 190 }; |
191 | 191 |
192 struct Tree; | 192 struct Tree; |
193 typedef Result<Tree*> TreeResult; | 193 typedef Result<Tree*> TreeResult; |
194 | 194 |
195 std::ostream& operator<<(std::ostream& os, const Tree& tree); | 195 std::ostream& operator<<(std::ostream& os, const Tree& tree); |
196 | 196 |
197 TreeResult VerifyWasmCode(FunctionBody& body); | 197 TreeResult VerifyWasmCode(base::AccountingAllocator* allocator, |
198 TreeResult BuildTFGraph(TFBuilder* builder, FunctionBody& body); | 198 FunctionBody& body); |
199 void PrintAst(FunctionBody& body); | 199 TreeResult BuildTFGraph(base::AccountingAllocator* allocator, |
| 200 TFBuilder* builder, FunctionBody& body); |
| 201 void PrintAst(base::AccountingAllocator* allocator, FunctionBody& body); |
200 | 202 |
201 inline TreeResult VerifyWasmCode(ModuleEnv* module, FunctionSig* sig, | 203 inline TreeResult VerifyWasmCode(base::AccountingAllocator* allocator, |
| 204 ModuleEnv* module, FunctionSig* sig, |
202 const byte* start, const byte* end) { | 205 const byte* start, const byte* end) { |
203 FunctionBody body = {module, sig, nullptr, start, end}; | 206 FunctionBody body = {module, sig, nullptr, start, end}; |
204 return VerifyWasmCode(body); | 207 return VerifyWasmCode(allocator, body); |
205 } | 208 } |
206 | 209 |
207 inline TreeResult BuildTFGraph(TFBuilder* builder, ModuleEnv* module, | 210 inline TreeResult BuildTFGraph(base::AccountingAllocator* allocator, |
| 211 TFBuilder* builder, ModuleEnv* module, |
208 FunctionSig* sig, const byte* start, | 212 FunctionSig* sig, const byte* start, |
209 const byte* end) { | 213 const byte* end) { |
210 FunctionBody body = {module, sig, nullptr, start, end}; | 214 FunctionBody body = {module, sig, nullptr, start, end}; |
211 return BuildTFGraph(builder, body); | 215 return BuildTFGraph(allocator, builder, body); |
212 } | 216 } |
213 | 217 |
214 enum ReadUnsignedLEB128ErrorCode { kNoError, kInvalidLEB128, kMissingLEB128 }; | 218 enum ReadUnsignedLEB128ErrorCode { kNoError, kInvalidLEB128, kMissingLEB128 }; |
215 | 219 |
216 ReadUnsignedLEB128ErrorCode ReadUnsignedLEB128Operand(const byte*, const byte*, | 220 ReadUnsignedLEB128ErrorCode ReadUnsignedLEB128Operand(const byte*, const byte*, |
217 int*, uint32_t*); | 221 int*, uint32_t*); |
218 | 222 |
219 std::vector<LocalType>* DecodeLocalDeclsForTesting(const byte* start, | 223 std::vector<LocalType>* DecodeLocalDeclsForTesting( |
220 const byte* end); | 224 base::AccountingAllocator* allocator, const byte* start, const byte* end); |
221 BitVector* AnalyzeLoopAssignmentForTesting(Zone* zone, size_t num_locals, | 225 BitVector* AnalyzeLoopAssignmentForTesting(Zone* zone, size_t num_locals, |
222 const byte* start, const byte* end); | 226 const byte* start, const byte* end); |
223 | 227 |
224 // Computes the length of the opcode at the given address. | 228 // Computes the length of the opcode at the given address. |
225 int OpcodeLength(const byte* pc, const byte* end); | 229 int OpcodeLength(const byte* pc, const byte* end); |
226 | 230 |
227 // Computes the arity (number of sub-nodes) of the opcode at the given address. | 231 // Computes the arity (number of sub-nodes) of the opcode at the given address. |
228 int OpcodeArity(ModuleEnv* module, FunctionSig* sig, const byte* pc, | 232 int OpcodeArity(ModuleEnv* module, FunctionSig* sig, const byte* pc, |
229 const byte* end); | 233 const byte* end); |
230 } // namespace wasm | 234 } // namespace wasm |
231 } // namespace internal | 235 } // namespace internal |
232 } // namespace v8 | 236 } // namespace v8 |
233 | 237 |
234 #endif // V8_WASM_AST_DECODER_H_ | 238 #endif // V8_WASM_AST_DECODER_H_ |
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