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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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935 // - Deal with sloppy mode functions which need to replace the | 935 // - Deal with sloppy mode functions which need to replace the |
936 // receiver with the global proxy when called as functions (without an | 936 // receiver with the global proxy when called as functions (without an |
937 // explicit receiver object). | 937 // explicit receiver object). |
938 // - Code aging of the BytecodeArray object. | 938 // - Code aging of the BytecodeArray object. |
939 | 939 |
940 // Perform stack guard check. | 940 // Perform stack guard check. |
941 { | 941 { |
942 Label ok; | 942 Label ok; |
943 __ CompareRoot(jssp, Heap::kStackLimitRootIndex); | 943 __ CompareRoot(jssp, Heap::kStackLimitRootIndex); |
944 __ B(hs, &ok); | 944 __ B(hs, &ok); |
| 945 __ Push(kInterpreterBytecodeArrayRegister); |
945 __ CallRuntime(Runtime::kStackGuard, 0); | 946 __ CallRuntime(Runtime::kStackGuard, 0); |
| 947 __ Pop(kInterpreterBytecodeArrayRegister); |
946 __ Bind(&ok); | 948 __ Bind(&ok); |
947 } | 949 } |
948 | 950 |
949 // Load accumulator, register file, bytecode offset, dispatch table into | 951 // Load accumulator, register file, bytecode offset, dispatch table into |
950 // registers. | 952 // registers. |
951 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); | 953 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); |
952 __ Sub(kInterpreterRegisterFileRegister, fp, | 954 __ Sub(kInterpreterRegisterFileRegister, fp, |
953 Operand(kPointerSize + StandardFrameConstants::kFixedFrameSizeFromFp)); | 955 Operand(kPointerSize + StandardFrameConstants::kFixedFrameSizeFromFp)); |
954 __ Mov(kInterpreterBytecodeOffsetRegister, | 956 __ Mov(kInterpreterBytecodeOffsetRegister, |
955 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); | 957 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); |
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1987 } | 1989 } |
1988 } | 1990 } |
1989 | 1991 |
1990 | 1992 |
1991 #undef __ | 1993 #undef __ |
1992 | 1994 |
1993 } // namespace internal | 1995 } // namespace internal |
1994 } // namespace v8 | 1996 } // namespace v8 |
1995 | 1997 |
1996 #endif // V8_TARGET_ARCH_ARM | 1998 #endif // V8_TARGET_ARCH_ARM |
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