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Issue 2378773013: [WASM] Implements catch for the wasm low level exception mechanism. (Closed)
Patch Set: updates effect dependencies. Created 4 years, 2 months ago
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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_COMPILER_WASM_COMPILER_H_ 5 #ifndef V8_COMPILER_WASM_COMPILER_H_
6 #define V8_COMPILER_WASM_COMPILER_H_ 6 #define V8_COMPILER_WASM_COMPILER_H_
7 7
8 #include <memory> 8 #include <memory>
9 9
10 // Clients of this interface shouldn't depend on lots of compiler internals. 10 // Clients of this interface shouldn't depend on lots of compiler internals.
(...skipping 117 matching lines...) Expand 10 before | Expand all | Expand 10 after
128 Node* Int64Constant(int64_t value); 128 Node* Int64Constant(int64_t value);
129 Node* Float32Constant(float value); 129 Node* Float32Constant(float value);
130 Node* Float64Constant(double value); 130 Node* Float64Constant(double value);
131 Node* HeapConstant(Handle<HeapObject> value); 131 Node* HeapConstant(Handle<HeapObject> value);
132 Node* Binop(wasm::WasmOpcode opcode, Node* left, Node* right, 132 Node* Binop(wasm::WasmOpcode opcode, Node* left, Node* right,
133 wasm::WasmCodePosition position = wasm::kNoCodePosition); 133 wasm::WasmCodePosition position = wasm::kNoCodePosition);
134 Node* Unop(wasm::WasmOpcode opcode, Node* input, 134 Node* Unop(wasm::WasmOpcode opcode, Node* input,
135 wasm::WasmCodePosition position = wasm::kNoCodePosition); 135 wasm::WasmCodePosition position = wasm::kNoCodePosition);
136 Node* GrowMemory(Node* input); 136 Node* GrowMemory(Node* input);
137 Node* Throw(Node* input); 137 Node* Throw(Node* input);
138 Node* Catch(Node* input, wasm::WasmCodePosition position);
138 unsigned InputCount(Node* node); 139 unsigned InputCount(Node* node);
139 bool IsPhiWithMerge(Node* phi, Node* merge); 140 bool IsPhiWithMerge(Node* phi, Node* merge);
141 bool ThrowsException(Node* node, Node** if_success, Node** if_exception);
140 void AppendToMerge(Node* merge, Node* from); 142 void AppendToMerge(Node* merge, Node* from);
141 void AppendToPhi(Node* phi, Node* from); 143 void AppendToPhi(Node* phi, Node* from);
142 144
143 void StackCheck(wasm::WasmCodePosition position); 145 void StackCheck(wasm::WasmCodePosition position);
144 146
145 //----------------------------------------------------------------------- 147 //-----------------------------------------------------------------------
146 // Operations that read and/or write {control} and {effect}. 148 // Operations that read and/or write {control} and {effect}.
147 //----------------------------------------------------------------------- 149 //-----------------------------------------------------------------------
148 Node* Branch(Node* cond, Node** true_node, Node** false_node); 150 Node* Branch(Node* cond, Node** true_node, Node** false_node);
149 Node* Switch(unsigned count, Node* key); 151 Node* Switch(unsigned count, Node* key);
150 Node* IfValue(int32_t value, Node* sw); 152 Node* IfValue(int32_t value, Node* sw);
151 Node* IfDefault(Node* sw); 153 Node* IfDefault(Node* sw);
152 Node* Return(unsigned count, Node** vals); 154 Node* Return(unsigned count, Node** vals);
153 Node* ReturnVoid(); 155 Node* ReturnVoid();
154 Node* Unreachable(wasm::WasmCodePosition position); 156 Node* Unreachable(wasm::WasmCodePosition position);
155 157
156 Node** CallDirect(uint32_t index, Node** args, 158 Node* CallDirect(uint32_t index, Node** args, Node*** rets,
157 wasm::WasmCodePosition position); 159 wasm::WasmCodePosition position);
158 Node** CallIndirect(uint32_t index, Node** args, 160 Node* CallIndirect(uint32_t index, Node** args, Node*** rets,
159 wasm::WasmCodePosition position); 161 wasm::WasmCodePosition position);
160 162
161 void BuildJSToWasmWrapper(Handle<Code> wasm_code, wasm::FunctionSig* sig); 163 void BuildJSToWasmWrapper(Handle<Code> wasm_code, wasm::FunctionSig* sig);
162 void BuildWasmToJSWrapper(Handle<JSReceiver> target, wasm::FunctionSig* sig); 164 void BuildWasmToJSWrapper(Handle<JSReceiver> target, wasm::FunctionSig* sig);
163 165
164 Node* ToJS(Node* node, wasm::LocalType type); 166 Node* ToJS(Node* node, wasm::LocalType type);
165 Node* FromJS(Node* node, Node* context, wasm::LocalType type); 167 Node* FromJS(Node* node, Node* context, wasm::LocalType type);
166 Node* Invert(Node* node); 168 Node* Invert(Node* node);
167 Node* FunctionTable(uint32_t index); 169 Node* FunctionTable(uint32_t index);
168 170
169 //----------------------------------------------------------------------- 171 //-----------------------------------------------------------------------
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after
233 void BoundsCheckMem(MachineType memtype, Node* index, uint32_t offset, 235 void BoundsCheckMem(MachineType memtype, Node* index, uint32_t offset,
234 wasm::WasmCodePosition position); 236 wasm::WasmCodePosition position);
235 237
236 Node* BuildChangeEndianness(Node* node, MachineType type, 238 Node* BuildChangeEndianness(Node* node, MachineType type,
237 wasm::LocalType wasmtype = wasm::kAstStmt); 239 wasm::LocalType wasmtype = wasm::kAstStmt);
238 240
239 Node* MaskShiftCount32(Node* node); 241 Node* MaskShiftCount32(Node* node);
240 Node* MaskShiftCount64(Node* node); 242 Node* MaskShiftCount64(Node* node);
241 243
242 Node* BuildCCall(MachineSignature* sig, Node** args); 244 Node* BuildCCall(MachineSignature* sig, Node** args);
243 Node** BuildWasmCall(wasm::FunctionSig* sig, Node** args, 245 Node* BuildWasmCall(wasm::FunctionSig* sig, Node** args, Node*** rets,
244 wasm::WasmCodePosition position); 246 wasm::WasmCodePosition position);
245 247
246 Node* BuildF32CopySign(Node* left, Node* right); 248 Node* BuildF32CopySign(Node* left, Node* right);
247 Node* BuildF64CopySign(Node* left, Node* right); 249 Node* BuildF64CopySign(Node* left, Node* right);
248 Node* BuildI32SConvertF32(Node* input, wasm::WasmCodePosition position); 250 Node* BuildI32SConvertF32(Node* input, wasm::WasmCodePosition position);
249 Node* BuildI32SConvertF64(Node* input, wasm::WasmCodePosition position); 251 Node* BuildI32SConvertF64(Node* input, wasm::WasmCodePosition position);
250 Node* BuildI32UConvertF32(Node* input, wasm::WasmCodePosition position); 252 Node* BuildI32UConvertF32(Node* input, wasm::WasmCodePosition position);
251 Node* BuildI32UConvertF64(Node* input, wasm::WasmCodePosition position); 253 Node* BuildI32UConvertF64(Node* input, wasm::WasmCodePosition position);
252 Node* BuildI32Ctz(Node* input); 254 Node* BuildI32Ctz(Node* input);
253 Node* BuildI32Popcnt(Node* input); 255 Node* BuildI32Popcnt(Node* input);
254 Node* BuildI64Ctz(Node* input); 256 Node* BuildI64Ctz(Node* input);
(...skipping 87 matching lines...) Expand 10 before | Expand all | Expand 10 after
342 } 344 }
343 345
344 int AddParameterNodes(Node** args, int pos, int param_count, 346 int AddParameterNodes(Node** args, int pos, int param_count,
345 wasm::FunctionSig* sig); 347 wasm::FunctionSig* sig);
346 }; 348 };
347 } // namespace compiler 349 } // namespace compiler
348 } // namespace internal 350 } // namespace internal
349 } // namespace v8 351 } // namespace v8
350 352
351 #endif // V8_COMPILER_WASM_COMPILER_H_ 353 #endif // V8_COMPILER_WASM_COMPILER_H_
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