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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_INTERPRETER_H_ | 5 #ifndef V8_WASM_INTERPRETER_H_ |
6 #define V8_WASM_INTERPRETER_H_ | 6 #define V8_WASM_INTERPRETER_H_ |
7 | 7 |
8 #include "src/wasm/wasm-opcodes.h" | 8 #include "src/wasm/wasm-opcodes.h" |
9 #include "src/zone/zone-containers.h" | 9 #include "src/zone/zone-containers.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace base { | 12 namespace base { |
13 class AccountingAllocator; | 13 class AccountingAllocator; |
14 } | 14 } |
15 | 15 |
16 namespace internal { | 16 namespace internal { |
17 namespace wasm { | 17 namespace wasm { |
18 | 18 |
19 // forward declarations. | 19 // forward declarations. |
20 struct WasmFunction; | 20 struct WasmFunction; |
21 struct WasmModuleInstance; | 21 struct WasmInstance; |
22 class WasmInterpreterInternals; | 22 class WasmInterpreterInternals; |
23 | 23 |
24 typedef size_t pc_t; | 24 typedef size_t pc_t; |
25 typedef size_t sp_t; | 25 typedef size_t sp_t; |
26 typedef int32_t pcdiff_t; | 26 typedef int32_t pcdiff_t; |
27 typedef uint32_t spdiff_t; | 27 typedef uint32_t spdiff_t; |
28 | 28 |
29 const pc_t kInvalidPc = 0x80000000; | 29 const pc_t kInvalidPc = 0x80000000; |
30 | 30 |
31 typedef ZoneMap<pc_t, pcdiff_t> ControlTransferMap; | 31 typedef ZoneMap<pc_t, pcdiff_t> ControlTransferMap; |
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124 virtual int GetFrameCount() = 0; | 124 virtual int GetFrameCount() = 0; |
125 virtual const WasmFrame* GetFrame(int index) = 0; | 125 virtual const WasmFrame* GetFrame(int index) = 0; |
126 virtual WasmFrame* GetMutableFrame(int index) = 0; | 126 virtual WasmFrame* GetMutableFrame(int index) = 0; |
127 virtual WasmVal GetReturnValue(int index = 0) = 0; | 127 virtual WasmVal GetReturnValue(int index = 0) = 0; |
128 | 128 |
129 // Thread-specific breakpoints. | 129 // Thread-specific breakpoints. |
130 bool SetBreakpoint(const WasmFunction* function, int pc, bool enabled); | 130 bool SetBreakpoint(const WasmFunction* function, int pc, bool enabled); |
131 bool GetBreakpoint(const WasmFunction* function, int pc); | 131 bool GetBreakpoint(const WasmFunction* function, int pc); |
132 }; | 132 }; |
133 | 133 |
134 WasmInterpreter(WasmModuleInstance* instance, AccountingAllocator* allocator); | 134 WasmInterpreter(WasmInstance* instance, AccountingAllocator* allocator); |
135 ~WasmInterpreter(); | 135 ~WasmInterpreter(); |
136 | 136 |
137 //========================================================================== | 137 //========================================================================== |
138 // Execution controls. | 138 // Execution controls. |
139 //========================================================================== | 139 //========================================================================== |
140 void Run(); | 140 void Run(); |
141 void Pause(); | 141 void Pause(); |
142 | 142 |
143 // Set a breakpoint at {pc} in {function} to be {enabled}. Returns the | 143 // Set a breakpoint at {pc} in {function} to be {enabled}. Returns the |
144 // previous state of the breakpoint at {pc}. | 144 // previous state of the breakpoint at {pc}. |
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190 private: | 190 private: |
191 Zone zone_; | 191 Zone zone_; |
192 WasmInterpreterInternals* internals_; | 192 WasmInterpreterInternals* internals_; |
193 }; | 193 }; |
194 | 194 |
195 } // namespace wasm | 195 } // namespace wasm |
196 } // namespace internal | 196 } // namespace internal |
197 } // namespace v8 | 197 } // namespace v8 |
198 | 198 |
199 #endif // V8_WASM_INTERPRETER_H_ | 199 #endif // V8_WASM_INTERPRETER_H_ |
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