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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, 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 <setjmp.h> // NOLINT | 5 #include <setjmp.h> // NOLINT |
6 #include <stdlib.h> | 6 #include <stdlib.h> |
7 | 7 |
8 #include "vm/globals.h" | 8 #include "vm/globals.h" |
9 #if defined(TARGET_ARCH_DBC) | 9 #if defined(TARGET_ARCH_DBC) |
10 | 10 |
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3726 sp_ = reinterpret_cast<RawObject**>(sp); | 3726 sp_ = reinterpret_cast<RawObject**>(sp); |
3727 fp_ = reinterpret_cast<RawObject**>(fp); | 3727 fp_ = reinterpret_cast<RawObject**>(fp); |
3728 | 3728 |
3729 if (pc == StubCode::RunExceptionHandler_entry()->EntryPoint()) { | 3729 if (pc == StubCode::RunExceptionHandler_entry()->EntryPoint()) { |
3730 // The RunExceptionHandler stub is a placeholder. We implement | 3730 // The RunExceptionHandler stub is a placeholder. We implement |
3731 // its behavior here. | 3731 // its behavior here. |
3732 RawObject* raw_exception = thread->active_exception(); | 3732 RawObject* raw_exception = thread->active_exception(); |
3733 RawObject* raw_stacktrace = thread->active_stacktrace(); | 3733 RawObject* raw_stacktrace = thread->active_stacktrace(); |
3734 ASSERT(raw_exception != Object::null()); | 3734 ASSERT(raw_exception != Object::null()); |
3735 special_[kExceptionSpecialIndex] = raw_exception; | 3735 special_[kExceptionSpecialIndex] = raw_exception; |
3736 special_[kStacktraceSpecialIndex] = raw_stacktrace; | 3736 special_[kStackTraceSpecialIndex] = raw_stacktrace; |
3737 pc_ = thread->resume_pc(); | 3737 pc_ = thread->resume_pc(); |
3738 } else if (pc == StubCode::DeoptForRewind_entry()->EntryPoint()) { | 3738 } else if (pc == StubCode::DeoptForRewind_entry()->EntryPoint()) { |
3739 // The DeoptForRewind stub is a placeholder. We will eventually | 3739 // The DeoptForRewind stub is a placeholder. We will eventually |
3740 // implement its behavior here. | 3740 // implement its behavior here. |
3741 // | 3741 // |
3742 // TODO(turnidge): Refactor the Deopt bytecode so that we can use | 3742 // TODO(turnidge): Refactor the Deopt bytecode so that we can use |
3743 // the implementation here too. The deopt pc is stored in | 3743 // the implementation here too. The deopt pc is stored in |
3744 // Thread::resume_pc(). After invoking deoptimization, we usually | 3744 // Thread::resume_pc(). After invoking deoptimization, we usually |
3745 // call into Debugger::RewindPostDeopt(), but I need to figure out | 3745 // call into Debugger::RewindPostDeopt(), but I need to figure out |
3746 // if that makes any sense (it would JumpToFrame during a | 3746 // if that makes any sense (it would JumpToFrame during a |
3747 // JumpToFrame, which seems wrong). | 3747 // JumpToFrame, which seems wrong). |
3748 UNIMPLEMENTED(); | 3748 UNIMPLEMENTED(); |
3749 } else { | 3749 } else { |
3750 pc_ = pc; | 3750 pc_ = pc; |
3751 } | 3751 } |
3752 | 3752 |
3753 buf->Longjmp(); | 3753 buf->Longjmp(); |
3754 UNREACHABLE(); | 3754 UNREACHABLE(); |
3755 } | 3755 } |
3756 | 3756 |
3757 } // namespace dart | 3757 } // namespace dart |
3758 | 3758 |
3759 #endif // defined TARGET_ARCH_DBC | 3759 #endif // defined TARGET_ARCH_DBC |
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