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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 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. |
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99 int64_t Call(int32_t entry, | 99 int64_t Call(int32_t entry, |
100 int32_t parameter0, | 100 int32_t parameter0, |
101 int32_t parameter1, | 101 int32_t parameter1, |
102 int32_t parameter2, | 102 int32_t parameter2, |
103 int32_t parameter3); | 103 int32_t parameter3); |
104 | 104 |
105 // Runtime and native call support. | 105 // Runtime and native call support. |
106 enum CallKind { | 106 enum CallKind { |
107 kRuntimeCall, | 107 kRuntimeCall, |
108 kLeafRuntimeCall, | 108 kLeafRuntimeCall, |
| 109 kLeafFloatRuntimeCall, |
109 kNativeCall | 110 kNativeCall |
110 }; | 111 }; |
111 static uword RedirectExternalReference(uword function, CallKind call_kind); | 112 static uword RedirectExternalReference(uword function, |
| 113 CallKind call_kind, |
| 114 int argument_count); |
112 | 115 |
113 void Longjmp(uword pc, | 116 void Longjmp(uword pc, |
114 uword sp, | 117 uword sp, |
115 uword fp, | 118 uword fp, |
116 RawObject* raw_exception, | 119 RawObject* raw_exception, |
117 RawObject* raw_stacktrace); | 120 RawObject* raw_stacktrace); |
118 | 121 |
119 private: | 122 private: |
120 // A pc value used to signal the simulator to stop execution. Generally | 123 // A pc value used to signal the simulator to stop execution. Generally |
121 // the ra is set to this value on transition from native C code to | 124 // the ra is set to this value on transition from native C code to |
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198 } | 201 } |
199 | 202 |
200 friend class SimulatorDebugger; | 203 friend class SimulatorDebugger; |
201 friend class SimulatorSetjmpBuffer; | 204 friend class SimulatorSetjmpBuffer; |
202 DISALLOW_COPY_AND_ASSIGN(Simulator); | 205 DISALLOW_COPY_AND_ASSIGN(Simulator); |
203 }; | 206 }; |
204 | 207 |
205 } // namespace dart | 208 } // namespace dart |
206 | 209 |
207 #endif // VM_SIMULATOR_MIPS_H_ | 210 #endif // VM_SIMULATOR_MIPS_H_ |
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