OLD | NEW |
1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 // Declares a Simulator for MIPS instructions if we are not generating a native | 5 // Declares a Simulator for MIPS instructions if we are not generating a native |
6 // MIPS binary. This Simulator allows us to run and debug MIPS code generation | 6 // MIPS binary. This Simulator allows us to run and debug MIPS code generation |
7 // on regular desktop machines. | 7 // on regular desktop machines. |
8 // Dart calls into generated code by "calling" the InvokeDartCode stub, | 8 // Dart calls into generated code by "calling" the InvokeDartCode stub, |
9 // which will start execution in the Simulator or forwards to the real entry | 9 // which will start execution in the Simulator or forwards to the real entry |
10 // on a MIPS HW platform. | 10 // on a MIPS HW platform. |
(...skipping 128 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
139 }; | 139 }; |
140 static uword RedirectExternalReference(uword function, | 140 static uword RedirectExternalReference(uword function, |
141 CallKind call_kind, | 141 CallKind call_kind, |
142 int argument_count); | 142 int argument_count); |
143 | 143 |
144 static uword FunctionForRedirect(uword redirect); | 144 static uword FunctionForRedirect(uword redirect); |
145 | 145 |
146 void Longjmp(uword pc, | 146 void Longjmp(uword pc, |
147 uword sp, | 147 uword sp, |
148 uword fp, | 148 uword fp, |
149 uword pp, | |
150 RawObject* raw_exception, | 149 RawObject* raw_exception, |
151 RawObject* raw_stacktrace, | 150 RawObject* raw_stacktrace, |
152 Thread* thread); | 151 Thread* thread); |
153 | 152 |
154 private: | 153 private: |
155 // A pc value used to signal the simulator to stop execution. Generally | 154 // A pc value used to signal the simulator to stop execution. Generally |
156 // the ra is set to this value on transition from native C code to | 155 // the ra is set to this value on transition from native C code to |
157 // simulated execution, so that the simulator can "return" to the native | 156 // simulated execution, so that the simulator can "return" to the native |
158 // C code. | 157 // C code. |
159 static const uword kEndSimulatingPC = -1; | 158 static const uword kEndSimulatingPC = -1; |
(...skipping 102 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
262 } | 261 } |
263 | 262 |
264 friend class SimulatorDebugger; | 263 friend class SimulatorDebugger; |
265 friend class SimulatorSetjmpBuffer; | 264 friend class SimulatorSetjmpBuffer; |
266 DISALLOW_COPY_AND_ASSIGN(Simulator); | 265 DISALLOW_COPY_AND_ASSIGN(Simulator); |
267 }; | 266 }; |
268 | 267 |
269 } // namespace dart | 268 } // namespace dart |
270 | 269 |
271 #endif // VM_SIMULATOR_MIPS_H_ | 270 #endif // VM_SIMULATOR_MIPS_H_ |
OLD | NEW |