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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 |
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