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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_PPC | 5 #if V8_TARGET_ARCH_PPC |
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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1012 // it is present) and load it into kInterpreterBytecodeArrayRegister. | 1012 // it is present) and load it into kInterpreterBytecodeArrayRegister. |
1013 __ LoadP(r3, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset)); | 1013 __ LoadP(r3, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset)); |
1014 Label array_done; | 1014 Label array_done; |
1015 Register debug_info = r5; | 1015 Register debug_info = r5; |
1016 DCHECK(!debug_info.is(r3)); | 1016 DCHECK(!debug_info.is(r3)); |
1017 __ LoadP(debug_info, | 1017 __ LoadP(debug_info, |
1018 FieldMemOperand(r3, SharedFunctionInfo::kDebugInfoOffset)); | 1018 FieldMemOperand(r3, SharedFunctionInfo::kDebugInfoOffset)); |
1019 // Load original bytecode array or the debug copy. | 1019 // Load original bytecode array or the debug copy. |
1020 __ LoadP(kInterpreterBytecodeArrayRegister, | 1020 __ LoadP(kInterpreterBytecodeArrayRegister, |
1021 FieldMemOperand(r3, SharedFunctionInfo::kFunctionDataOffset)); | 1021 FieldMemOperand(r3, SharedFunctionInfo::kFunctionDataOffset)); |
1022 __ CmpSmiLiteral(debug_info, DebugInfo::uninitialized(), r0); | 1022 __ TestIfSmi(debug_info, r0); |
1023 __ beq(&array_done); | 1023 __ beq(&array_done, cr0); |
1024 __ LoadP(kInterpreterBytecodeArrayRegister, | 1024 __ LoadP(kInterpreterBytecodeArrayRegister, |
1025 FieldMemOperand(debug_info, DebugInfo::kDebugBytecodeArrayIndex)); | 1025 FieldMemOperand(debug_info, DebugInfo::kDebugBytecodeArrayIndex)); |
1026 __ bind(&array_done); | 1026 __ bind(&array_done); |
1027 | 1027 |
1028 // Check whether we should continue to use the interpreter. | 1028 // Check whether we should continue to use the interpreter. |
1029 Label switch_to_different_code_kind; | 1029 Label switch_to_different_code_kind; |
1030 __ LoadP(r3, FieldMemOperand(r3, SharedFunctionInfo::kCodeOffset)); | 1030 __ LoadP(r3, FieldMemOperand(r3, SharedFunctionInfo::kCodeOffset)); |
1031 __ mov(ip, Operand(masm->CodeObject())); // Self-reference to this code. | 1031 __ mov(ip, Operand(masm->CodeObject())); // Self-reference to this code. |
1032 __ cmp(r3, ip); | 1032 __ cmp(r3, ip); |
1033 __ bne(&switch_to_different_code_kind); | 1033 __ bne(&switch_to_different_code_kind); |
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3111 __ CallRuntime(Runtime::kThrowStackOverflow); | 3111 __ CallRuntime(Runtime::kThrowStackOverflow); |
3112 __ bkpt(0); | 3112 __ bkpt(0); |
3113 } | 3113 } |
3114 } | 3114 } |
3115 | 3115 |
3116 #undef __ | 3116 #undef __ |
3117 } // namespace internal | 3117 } // namespace internal |
3118 } // namespace v8 | 3118 } // namespace v8 |
3119 | 3119 |
3120 #endif // V8_TARGET_ARCH_PPC | 3120 #endif // V8_TARGET_ARCH_PPC |
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