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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
| 6 | 6 |
| 7 #include "src/arm64/frames-arm64.h" | 7 #include "src/arm64/frames-arm64.h" |
| 8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
| 9 #include "src/debug/debug.h" | 9 #include "src/debug/debug.h" |
| 10 #include "src/deoptimizer.h" | 10 #include "src/deoptimizer.h" |
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| 1045 __ Bind(&loop_header); | 1045 __ Bind(&loop_header); |
| 1046 } | 1046 } |
| 1047 | 1047 |
| 1048 // TODO(rmcilroy): List of things not currently dealt with here but done in | 1048 // TODO(rmcilroy): List of things not currently dealt with here but done in |
| 1049 // fullcodegen's prologue: | 1049 // fullcodegen's prologue: |
| 1050 // - Support profiler (specifically profiling_counter). | 1050 // - Support profiler (specifically profiling_counter). |
| 1051 // - Call ProfileEntryHookStub when isolate has a function_entry_hook. | 1051 // - Call ProfileEntryHookStub when isolate has a function_entry_hook. |
| 1052 // - Allow simulator stop operations if FLAG_stop_at is set. | 1052 // - Allow simulator stop operations if FLAG_stop_at is set. |
| 1053 // - Code aging of the BytecodeArray object. | 1053 // - Code aging of the BytecodeArray object. |
| 1054 | 1054 |
| 1055 // Perform stack guard check. | |
| 1056 { | |
| 1057 Label ok; | |
| 1058 __ CompareRoot(jssp, Heap::kStackLimitRootIndex); | |
| 1059 __ B(hs, &ok); | |
| 1060 __ Push(kInterpreterBytecodeArrayRegister); | |
| 1061 __ CallRuntime(Runtime::kStackGuard); | |
| 1062 __ Pop(kInterpreterBytecodeArrayRegister); | |
| 1063 __ Bind(&ok); | |
| 1064 } | |
| 1065 | |
| 1066 // Load accumulator, register file, bytecode offset, dispatch table into | 1055 // Load accumulator, register file, bytecode offset, dispatch table into |
| 1067 // registers. | 1056 // registers. |
| 1068 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); | 1057 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); |
| 1069 __ Add(kInterpreterRegisterFileRegister, fp, | 1058 __ Add(kInterpreterRegisterFileRegister, fp, |
| 1070 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); | 1059 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); |
| 1071 __ Mov(kInterpreterBytecodeOffsetRegister, | 1060 __ Mov(kInterpreterBytecodeOffsetRegister, |
| 1072 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); | 1061 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); |
| 1073 __ LoadRoot(kInterpreterDispatchTableRegister, | 1062 __ LoadRoot(kInterpreterDispatchTableRegister, |
| 1074 Heap::kInterpreterTableRootIndex); | 1063 Heap::kInterpreterTableRootIndex); |
| 1075 __ Add(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister, | 1064 __ Add(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister, |
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| 2836 } | 2825 } |
| 2837 } | 2826 } |
| 2838 | 2827 |
| 2839 | 2828 |
| 2840 #undef __ | 2829 #undef __ |
| 2841 | 2830 |
| 2842 } // namespace internal | 2831 } // namespace internal |
| 2843 } // namespace v8 | 2832 } // namespace v8 |
| 2844 | 2833 |
| 2845 #endif // V8_TARGET_ARCH_ARM | 2834 #endif // V8_TARGET_ARCH_ARM |
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