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Side by Side Diff: runtime/vm/simulator_arm64.h

Issue 2503623003: Revert "JumpToFrame refactor" (Closed)
Patch Set: Created 4 years, 1 month ago
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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2014, 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 ARM64 instructions if we are not generating a native 5 // Declares a Simulator for ARM64 instructions if we are not generating a native
6 // ARM64 binary. This Simulator allows us to run and debug ARM64 code generation 6 // ARM64 binary. This Simulator allows us to run and debug ARM64 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 ARM64 HW platform. 10 // on a ARM64 HW platform.
(...skipping 106 matching lines...) Expand 10 before | Expand all | Expand 10 after
117 kLeafFloatRuntimeCall, 117 kLeafFloatRuntimeCall,
118 kBootstrapNativeCall, 118 kBootstrapNativeCall,
119 kNativeCall 119 kNativeCall
120 }; 120 };
121 static uword RedirectExternalReference(uword function, 121 static uword RedirectExternalReference(uword function,
122 CallKind call_kind, 122 CallKind call_kind,
123 int argument_count); 123 int argument_count);
124 124
125 static uword FunctionForRedirect(uword redirect); 125 static uword FunctionForRedirect(uword redirect);
126 126
127 void JumpToFrame(uword pc, uword sp, uword fp, Thread* thread); 127 void Longjmp(uword pc,
128 uword sp,
129 uword fp,
130 RawObject* raw_exception,
131 RawObject* raw_stacktrace,
132 Thread* thread);
128 133
129 private: 134 private:
130 // Known bad pc value to ensure that the simulator does not execute 135 // Known bad pc value to ensure that the simulator does not execute
131 // without being properly setup. 136 // without being properly setup.
132 static const uword kBadLR = -1; 137 static const uword kBadLR = -1;
133 // A pc value used to signal the simulator to stop execution. Generally 138 // A pc value used to signal the simulator to stop execution. Generally
134 // the lr is set to this value on transition from native C code to 139 // the lr is set to this value on transition from native C code to
135 // simulated execution, so that the simulator can "return" to the native 140 // simulated execution, so that the simulator can "return" to the native
136 // C code. 141 // C code.
137 static const uword kEndSimulatingPC = -2; 142 static const uword kEndSimulatingPC = -2;
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268 } 273 }
269 274
270 friend class SimulatorDebugger; 275 friend class SimulatorDebugger;
271 friend class SimulatorSetjmpBuffer; 276 friend class SimulatorSetjmpBuffer;
272 DISALLOW_COPY_AND_ASSIGN(Simulator); 277 DISALLOW_COPY_AND_ASSIGN(Simulator);
273 }; 278 };
274 279
275 } // namespace dart 280 } // namespace dart
276 281
277 #endif // RUNTIME_VM_SIMULATOR_ARM64_H_ 282 #endif // RUNTIME_VM_SIMULATOR_ARM64_H_
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