| OLD | NEW |
| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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/longjump.h" | 5 #include "vm/longjump.h" |
| 6 | 6 |
| 7 #include "include/dart_api.h" | 7 #include "include/dart_api.h" |
| 8 | 8 |
| 9 #include "vm/dart_api_impl.h" | 9 #include "vm/dart_api_impl.h" |
| 10 #include "vm/isolate.h" | 10 #include "vm/isolate.h" |
| 11 #include "vm/object.h" | 11 #include "vm/object.h" |
| 12 #include "vm/object_store.h" | 12 #include "vm/object_store.h" |
| 13 #include "vm/os.h" | 13 #include "vm/os.h" |
| 14 #include "vm/simulator.h" | 14 #include "vm/simulator.h" |
| 15 | 15 |
| 16 namespace dart { | 16 namespace dart { |
| 17 | 17 |
| 18 jmp_buf* LongJumpScope::Set() { | 18 jmp_buf* LongJumpScope::Set() { |
| 19 ASSERT(top_ == NULL); | 19 ASSERT(top_ == NULL); |
| 20 top_ = Thread::Current()->top_resource(); | 20 top_ = Thread::Current()->top_resource(); |
| 21 return &environment_; | 21 return &environment_; |
| 22 } | 22 } |
| 23 | 23 |
| 24 | 24 |
| 25 bool LongJumpScope::IsSafeToJump() { | 25 bool LongJumpScope::IsSafeToJump() { |
| 26 // We do not want to jump past Dart frames. Note that this code | 26 // We do not want to jump past Dart frames. Note that this code |
| 27 // assumes the stack grows from high to low. | 27 // assumes the stack grows from high to low. |
| 28 Thread* thread = Thread::Current(); | 28 Thread* thread = Thread::Current(); |
| 29 uword jumpbuf_addr = Isolate::GetCurrentStackPointer(); | 29 uword jumpbuf_addr = Thread::GetCurrentStackPointer(); |
| 30 #if defined(USING_SIMULATOR) | 30 #if defined(USING_SIMULATOR) |
| 31 Simulator* sim = Simulator::Current(); | 31 Simulator* sim = Simulator::Current(); |
| 32 // When using simulator, only mutator thread should refer to Simulator | 32 // When using simulator, only mutator thread should refer to Simulator |
| 33 // since there can be only one per isolate. | 33 // since there can be only one per isolate. |
| 34 uword top_exit_frame_info = thread->IsMutatorThread() ? | 34 uword top_exit_frame_info = thread->IsMutatorThread() ? |
| 35 sim->top_exit_frame_info() : 0; | 35 sim->top_exit_frame_info() : 0; |
| 36 #else | 36 #else |
| 37 uword top_exit_frame_info = thread->top_exit_frame_info(); | 37 uword top_exit_frame_info = thread->top_exit_frame_info(); |
| 38 #endif | 38 #endif |
| 39 if (!thread->IsMutatorThread()) { | 39 if (!thread->IsMutatorThread()) { |
| (...skipping 23 matching lines...) Expand all Loading... |
| 63 // Remember the error in the sticky error of this isolate. | 63 // Remember the error in the sticky error of this isolate. |
| 64 thread->set_sticky_error(error); | 64 thread->set_sticky_error(error); |
| 65 | 65 |
| 66 // Destruct all the active StackResource objects. | 66 // Destruct all the active StackResource objects. |
| 67 StackResource::UnwindAbove(thread, top_); | 67 StackResource::UnwindAbove(thread, top_); |
| 68 longjmp(environment_, value); | 68 longjmp(environment_, value); |
| 69 UNREACHABLE(); | 69 UNREACHABLE(); |
| 70 } | 70 } |
| 71 | 71 |
| 72 } // namespace dart | 72 } // namespace dart |
| OLD | NEW |