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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 ARM instructions if we are not generating a native | 5 // Declares a Simulator for ARM instructions if we are not generating a native |
6 // ARM binary. This Simulator allows us to run and debug ARM code generation on | 6 // ARM binary. This Simulator allows us to run and debug ARM code generation on |
7 // regular desktop machines. | 7 // 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 ARM HW platform. | 10 // on a ARM HW platform. |
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100 int32_t parameter2, | 100 int32_t parameter2, |
101 int32_t parameter3, | 101 int32_t parameter3, |
102 bool fp_return = false, | 102 bool fp_return = false, |
103 bool fp_args = false); | 103 bool fp_args = false); |
104 | 104 |
105 // Implementation of atomic compare and exchange in the same synchronization | 105 // Implementation of atomic compare and exchange in the same synchronization |
106 // domain as other synchronization primitive instructions (e.g. ldrex, strex). | 106 // domain as other synchronization primitive instructions (e.g. ldrex, strex). |
107 static uword CompareExchange(uword* address, | 107 static uword CompareExchange(uword* address, |
108 uword compare_value, | 108 uword compare_value, |
109 uword new_value); | 109 uword new_value); |
| 110 static uint32_t CompareExchangeUint32(uint32_t* address, |
| 111 uint32_t compare_value, |
| 112 uint32_t new_value); |
110 | 113 |
111 // Runtime and native call support. | 114 // Runtime and native call support. |
112 enum CallKind { | 115 enum CallKind { |
113 kRuntimeCall, | 116 kRuntimeCall, |
114 kLeafRuntimeCall, | 117 kLeafRuntimeCall, |
115 kLeafFloatRuntimeCall, | 118 kLeafFloatRuntimeCall, |
116 kBootstrapNativeCall, | 119 kBootstrapNativeCall, |
117 kNativeCall | 120 kNativeCall |
118 }; | 121 }; |
119 static uword RedirectExternalReference(uword function, | 122 static uword RedirectExternalReference(uword function, |
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274 } | 277 } |
275 | 278 |
276 friend class SimulatorDebugger; | 279 friend class SimulatorDebugger; |
277 friend class SimulatorSetjmpBuffer; | 280 friend class SimulatorSetjmpBuffer; |
278 DISALLOW_COPY_AND_ASSIGN(Simulator); | 281 DISALLOW_COPY_AND_ASSIGN(Simulator); |
279 }; | 282 }; |
280 | 283 |
281 } // namespace dart | 284 } // namespace dart |
282 | 285 |
283 #endif // VM_SIMULATOR_ARM_H_ | 286 #endif // VM_SIMULATOR_ARM_H_ |
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