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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_ARM | 5 #if V8_TARGET_ARCH_ARM |
| 6 | 6 |
| 7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
| 8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
| 9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
| 10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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| 910 // receiver with the global proxy when called as functions (without an | 910 // receiver with the global proxy when called as functions (without an |
| 911 // explicit receiver object). | 911 // explicit receiver object). |
| 912 // - Code aging of the BytecodeArray object. | 912 // - Code aging of the BytecodeArray object. |
| 913 | 913 |
| 914 // Perform stack guard check. | 914 // Perform stack guard check. |
| 915 { | 915 { |
| 916 Label ok; | 916 Label ok; |
| 917 __ LoadRoot(ip, Heap::kStackLimitRootIndex); | 917 __ LoadRoot(ip, Heap::kStackLimitRootIndex); |
| 918 __ cmp(sp, Operand(ip)); | 918 __ cmp(sp, Operand(ip)); |
| 919 __ b(hs, &ok); | 919 __ b(hs, &ok); |
| 920 __ push(kInterpreterBytecodeArrayRegister); |
| 920 __ CallRuntime(Runtime::kStackGuard, 0); | 921 __ CallRuntime(Runtime::kStackGuard, 0); |
| 922 __ pop(kInterpreterBytecodeArrayRegister); |
| 921 __ bind(&ok); | 923 __ bind(&ok); |
| 922 } | 924 } |
| 923 | 925 |
| 924 // Load accumulator, register file, bytecode offset, dispatch table into | 926 // Load accumulator, register file, bytecode offset, dispatch table into |
| 925 // registers. | 927 // registers. |
| 926 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); | 928 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); |
| 927 __ sub(kInterpreterRegisterFileRegister, fp, | 929 __ sub(kInterpreterRegisterFileRegister, fp, |
| 928 Operand(kPointerSize + StandardFrameConstants::kFixedFrameSizeFromFp)); | 930 Operand(kPointerSize + StandardFrameConstants::kFixedFrameSizeFromFp)); |
| 929 __ mov(kInterpreterBytecodeOffsetRegister, | 931 __ mov(kInterpreterBytecodeOffsetRegister, |
| 930 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); | 932 Operand(BytecodeArray::kHeaderSize - kHeapObjectTag)); |
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| 1898 } | 1900 } |
| 1899 } | 1901 } |
| 1900 | 1902 |
| 1901 | 1903 |
| 1902 #undef __ | 1904 #undef __ |
| 1903 | 1905 |
| 1904 } // namespace internal | 1906 } // namespace internal |
| 1905 } // namespace v8 | 1907 } // namespace v8 |
| 1906 | 1908 |
| 1907 #endif // V8_TARGET_ARCH_ARM | 1909 #endif // V8_TARGET_ARCH_ARM |
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