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Issue 1665853002: [Interpreter] Add explicit StackCheck bytecodes on function entry and back branches. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix unittests. Created 4 years, 10 months ago
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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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