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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/deopt_instructions.h" | 5 #include "vm/deopt_instructions.h" |
6 | 6 |
7 #include "vm/assembler.h" | 7 #include "vm/assembler.h" |
8 #include "vm/code_patcher.h" | 8 #include "vm/code_patcher.h" |
9 #include "vm/compiler.h" | 9 #include "vm/compiler.h" |
10 #include "vm/disassembler.h" | 10 #include "vm/disassembler.h" |
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690 virtual const char* ArgumentsToCString() const { | 690 virtual const char* ArgumentsToCString() const { |
691 return Thread::Current()->zone()->PrintToString( | 691 return Thread::Current()->zone()->PrintToString( |
692 "%" Pd "", object_table_index_); | 692 "%" Pd "", object_table_index_); |
693 } | 693 } |
694 | 694 |
695 void Execute(DeoptContext* deopt_context, intptr_t* dest_addr) { | 695 void Execute(DeoptContext* deopt_context, intptr_t* dest_addr) { |
696 Function& function = Function::Handle(deopt_context->zone()); | 696 Function& function = Function::Handle(deopt_context->zone()); |
697 function ^= deopt_context->ObjectAt(object_table_index_); | 697 function ^= deopt_context->ObjectAt(object_table_index_); |
698 if (function.IsNull()) { | 698 if (function.IsNull()) { |
699 *reinterpret_cast<RawObject**>(dest_addr) = deopt_context->is_lazy_deopt() | 699 *reinterpret_cast<RawObject**>(dest_addr) = deopt_context->is_lazy_deopt() |
700 ? StubCode::DeoptimizeLazy_entry()->code() | 700 ? StubCode::DeoptimizeLazyFromReturn_entry()->code() |
701 : StubCode::Deoptimize_entry()->code(); | 701 : StubCode::Deoptimize_entry()->code(); |
702 return; | 702 return; |
703 } | 703 } |
704 | 704 |
705 // We don't always have the Code object for the frame's corresponding | 705 // We don't always have the Code object for the frame's corresponding |
706 // unoptimized code as it may have been collected. Use a stub as the pc | 706 // unoptimized code as it may have been collected. Use a stub as the pc |
707 // marker until we can recreate that Code object during deferred | 707 // marker until we can recreate that Code object during deferred |
708 // materialization to maintain the invariant that Dart frames always have | 708 // materialization to maintain the invariant that Dart frames always have |
709 // a pc marker. | 709 // a pc marker. |
710 *reinterpret_cast<RawObject**>(dest_addr) = | 710 *reinterpret_cast<RawObject**>(dest_addr) = |
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1354 Smi* offset, | 1354 Smi* offset, |
1355 TypedData* info, | 1355 TypedData* info, |
1356 Smi* reason) { | 1356 Smi* reason) { |
1357 intptr_t i = index * kEntrySize; | 1357 intptr_t i = index * kEntrySize; |
1358 *offset ^= table.At(i); | 1358 *offset ^= table.At(i); |
1359 *info ^= table.At(i + 1); | 1359 *info ^= table.At(i + 1); |
1360 *reason ^= table.At(i + 2); | 1360 *reason ^= table.At(i + 2); |
1361 } | 1361 } |
1362 | 1362 |
1363 } // namespace dart | 1363 } // namespace dart |
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