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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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1132 | 1132 |
1133 | 1133 |
1134 static void Generate_EnterBytecodeDispatch(MacroAssembler* masm) { | 1134 static void Generate_EnterBytecodeDispatch(MacroAssembler* masm) { |
1135 // Initialize register file register and dispatch table register. | 1135 // Initialize register file register and dispatch table register. |
1136 __ add(kInterpreterRegisterFileRegister, fp, | 1136 __ add(kInterpreterRegisterFileRegister, fp, |
1137 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); | 1137 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); |
1138 __ mov(kInterpreterDispatchTableRegister, | 1138 __ mov(kInterpreterDispatchTableRegister, |
1139 Operand(ExternalReference::interpreter_dispatch_table_address( | 1139 Operand(ExternalReference::interpreter_dispatch_table_address( |
1140 masm->isolate()))); | 1140 masm->isolate()))); |
1141 | 1141 |
1142 // Get the context from the frame. | |
1143 __ ldr(kContextRegister, | |
1144 MemOperand(kInterpreterRegisterFileRegister, | |
1145 InterpreterFrameConstants::kContextFromRegisterPointer)); | |
1146 | |
1147 // Get the bytecode array pointer from the frame. | 1142 // Get the bytecode array pointer from the frame. |
1148 __ ldr( | 1143 __ ldr( |
1149 kInterpreterBytecodeArrayRegister, | 1144 kInterpreterBytecodeArrayRegister, |
1150 MemOperand(kInterpreterRegisterFileRegister, | 1145 MemOperand(kInterpreterRegisterFileRegister, |
1151 InterpreterFrameConstants::kBytecodeArrayFromRegisterPointer)); | 1146 InterpreterFrameConstants::kBytecodeArrayFromRegisterPointer)); |
1152 | 1147 |
1153 if (FLAG_debug_code) { | 1148 if (FLAG_debug_code) { |
1154 // Check function data field is actually a BytecodeArray object. | 1149 // Check function data field is actually a BytecodeArray object. |
1155 __ SmiTst(kInterpreterBytecodeArrayRegister); | 1150 __ SmiTst(kInterpreterBytecodeArrayRegister); |
1156 __ Assert(ne, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry); | 1151 __ Assert(ne, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry); |
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2616 } | 2611 } |
2617 } | 2612 } |
2618 | 2613 |
2619 | 2614 |
2620 #undef __ | 2615 #undef __ |
2621 | 2616 |
2622 } // namespace internal | 2617 } // namespace internal |
2623 } // namespace v8 | 2618 } // namespace v8 |
2624 | 2619 |
2625 #endif // V8_TARGET_ARCH_ARM | 2620 #endif // V8_TARGET_ARCH_ARM |
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