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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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/handles.h" | 5 #include "vm/handles.h" |
6 | 6 |
7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
8 #include "platform/utils.h" | 8 #include "platform/utils.h" |
9 #include "vm/dart_api_state.h" | 9 #include "vm/dart_api_state.h" |
10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
11 #include "vm/os.h" | 11 #include "vm/os.h" |
12 #include "vm/raw_object.h" | 12 #include "vm/raw_object.h" |
13 #include "vm/visitor.h" | 13 #include "vm/visitor.h" |
14 #include "vm/zone.h" | 14 #include "vm/zone.h" |
15 | 15 |
16 #include "vm/handles_impl.h" | 16 #include "vm/handles_impl.h" |
17 | 17 |
18 namespace dart { | 18 namespace dart { |
19 | 19 |
20 DEFINE_FLAG(bool, verify_handles, false, "Verify handles."); | 20 DEFINE_FLAG(bool, verify_handles, false, "Verify handles."); |
21 | 21 |
22 | 22 |
23 VMHandles::~VMHandles() { | 23 VMHandles::~VMHandles() { |
24 if (FLAG_trace_handles) { | 24 if (FLAG_trace_handles) { |
25 OS::PrintErr("*** Handle Counts for 0x(%" Px | 25 OS::PrintErr("*** Handle Counts for 0x(%" Px "):Zone = %d,Scoped = %d\n", |
26 "):Zone = %d,Scoped = %d\n", | 26 reinterpret_cast<intptr_t>(this), CountZoneHandles(), |
27 reinterpret_cast<intptr_t>(this), | 27 CountScopedHandles()); |
28 CountZoneHandles(), CountScopedHandles()); | 28 OS::PrintErr("*** Deleting VM handle block 0x%" Px "\n", |
29 OS::PrintErr("*** Deleting VM handle block 0x%" Px "\n", | 29 reinterpret_cast<intptr_t>(this)); |
30 reinterpret_cast<intptr_t>(this)); | 30 } |
31 } | |
32 } | 31 } |
33 | 32 |
34 | 33 |
35 void VMHandles::VisitObjectPointers(ObjectPointerVisitor* visitor) { | 34 void VMHandles::VisitObjectPointers(ObjectPointerVisitor* visitor) { |
36 return Handles<kVMHandleSizeInWords, | 35 return Handles<kVMHandleSizeInWords, kVMHandlesPerChunk, |
37 kVMHandlesPerChunk, | |
38 kOffsetOfRawPtr>::VisitObjectPointers(visitor); | 36 kOffsetOfRawPtr>::VisitObjectPointers(visitor); |
39 } | 37 } |
40 | 38 |
41 | 39 |
42 #if defined(DEBUG) | 40 #if defined(DEBUG) |
43 static bool IsCurrentApiNativeScope(Zone* zone) { | 41 static bool IsCurrentApiNativeScope(Zone* zone) { |
44 ApiNativeScope* scope = ApiNativeScope::Current(); | 42 ApiNativeScope* scope = ApiNativeScope::Current(); |
45 return (scope != NULL) && (scope->zone() == zone); | 43 return (scope != NULL) && (scope->zone() == zone); |
46 } | 44 } |
47 #endif // DEBUG | 45 #endif // DEBUG |
48 | 46 |
49 | 47 |
50 uword VMHandles::AllocateHandle(Zone* zone) { | 48 uword VMHandles::AllocateHandle(Zone* zone) { |
51 DEBUG_ASSERT(!IsCurrentApiNativeScope(zone)); | 49 DEBUG_ASSERT(!IsCurrentApiNativeScope(zone)); |
52 return Handles<kVMHandleSizeInWords, | 50 return Handles<kVMHandleSizeInWords, kVMHandlesPerChunk, |
53 kVMHandlesPerChunk, | |
54 kOffsetOfRawPtr>::AllocateHandle(zone); | 51 kOffsetOfRawPtr>::AllocateHandle(zone); |
55 } | 52 } |
56 | 53 |
57 | 54 |
58 uword VMHandles::AllocateZoneHandle(Zone* zone) { | 55 uword VMHandles::AllocateZoneHandle(Zone* zone) { |
59 DEBUG_ASSERT(!IsCurrentApiNativeScope(zone)); | 56 DEBUG_ASSERT(!IsCurrentApiNativeScope(zone)); |
60 return Handles<kVMHandleSizeInWords, | 57 return Handles<kVMHandleSizeInWords, kVMHandlesPerChunk, |
61 kVMHandlesPerChunk, | |
62 kOffsetOfRawPtr>::AllocateZoneHandle(zone); | 58 kOffsetOfRawPtr>::AllocateZoneHandle(zone); |
63 } | 59 } |
64 | 60 |
65 | 61 |
66 bool VMHandles::IsZoneHandle(uword handle) { | 62 bool VMHandles::IsZoneHandle(uword handle) { |
67 return Handles<kVMHandleSizeInWords, | 63 return Handles<kVMHandleSizeInWords, kVMHandlesPerChunk, |
68 kVMHandlesPerChunk, | 64 kOffsetOfRawPtr>::IsZoneHandle(handle); |
69 kOffsetOfRawPtr >::IsZoneHandle(handle); | |
70 } | 65 } |
71 | 66 |
72 | 67 |
73 int VMHandles::ScopedHandleCount() { | 68 int VMHandles::ScopedHandleCount() { |
74 Thread* thread = Thread::Current(); | 69 Thread* thread = Thread::Current(); |
75 ASSERT(thread->zone() != NULL); | 70 ASSERT(thread->zone() != NULL); |
76 VMHandles* handles = thread->zone()->handles(); | 71 VMHandles* handles = thread->zone()->handles(); |
77 return handles->CountScopedHandles(); | 72 return handles->CountScopedHandles(); |
78 } | 73 } |
79 | 74 |
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124 thread->IncrementNoHandleScopeDepth(); | 119 thread->IncrementNoHandleScopeDepth(); |
125 } | 120 } |
126 | 121 |
127 | 122 |
128 NoHandleScope::~NoHandleScope() { | 123 NoHandleScope::~NoHandleScope() { |
129 thread()->DecrementNoHandleScopeDepth(); | 124 thread()->DecrementNoHandleScopeDepth(); |
130 } | 125 } |
131 #endif // defined(DEBUG) | 126 #endif // defined(DEBUG) |
132 | 127 |
133 } // namespace dart | 128 } // namespace dart |
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