1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
#include "common.h"
#include "gcenv.h"
#include "gchandletableimpl.h"
#include "objecthandle.h"
#include "handletablepriv.h"
GCHandleStore* g_gcGlobalHandleStore;
IGCHandleManager* CreateGCHandleManager()
{
return new (nothrow) GCHandleManager();
}
void GCHandleStore::Uproot()
{
Ref_RemoveHandleTableBucket(&_underlyingBucket);
}
bool GCHandleStore::ContainsHandle(OBJECTHANDLE handle)
{
return _underlyingBucket.Contains(handle);
}
OBJECTHANDLE GCHandleStore::CreateHandleOfType(Object* object, HandleType type)
{
HHANDLETABLE handletable = _underlyingBucket.pTable[GetCurrentThreadHomeHeapNumber()];
return ::HndCreateHandle(handletable, type, ObjectToOBJECTREF(object));
}
OBJECTHANDLE GCHandleStore::CreateHandleOfType(Object* object, HandleType type, int heapToAffinitizeTo)
{
HHANDLETABLE handletable = _underlyingBucket.pTable[heapToAffinitizeTo];
return ::HndCreateHandle(handletable, type, ObjectToOBJECTREF(object));
}
OBJECTHANDLE GCHandleStore::CreateHandleWithExtraInfo(Object* object, HandleType type, void* pExtraInfo)
{
HHANDLETABLE handletable = _underlyingBucket.pTable[GetCurrentThreadHomeHeapNumber()];
return ::HndCreateHandle(handletable, type, ObjectToOBJECTREF(object), reinterpret_cast<uintptr_t>(pExtraInfo));
}
OBJECTHANDLE GCHandleStore::CreateDependentHandle(Object* primary, Object* secondary)
{
HHANDLETABLE handletable = _underlyingBucket.pTable[GetCurrentThreadHomeHeapNumber()];
OBJECTHANDLE handle = ::HndCreateHandle(handletable, HNDTYPE_DEPENDENT, ObjectToOBJECTREF(primary));
if (!handle)
{
return nullptr;
}
::SetDependentHandleSecondary(handle, ObjectToOBJECTREF(secondary));
return handle;
}
void GCHandleStore::RelocateAsyncPinnedHandles(IGCHandleStore* pTarget)
{
// assumption - the IGCHandleStore is an instance of GCHandleStore
GCHandleStore* other = static_cast<GCHandleStore*>(pTarget);
::Ref_RelocateAsyncPinHandles(&_underlyingBucket, &other->_underlyingBucket);
}
bool GCHandleStore::EnumerateAsyncPinnedHandles(async_pin_enum_fn callback, void* context)
{
return !!::Ref_HandleAsyncPinHandles(callback, context);
}
GCHandleStore::~GCHandleStore()
{
::Ref_DestroyHandleTableBucket(&_underlyingBucket);
}
bool GCHandleManager::Initialize()
{
return Ref_Initialize();
}
void GCHandleManager::Shutdown()
{
if (g_gcGlobalHandleStore != nullptr)
{
DestroyHandleStore(g_gcGlobalHandleStore);
}
::Ref_Shutdown();
}
IGCHandleStore* GCHandleManager::GetGlobalHandleStore()
{
return g_gcGlobalHandleStore;
}
IGCHandleStore* GCHandleManager::CreateHandleStore(void* context)
{
#ifndef FEATURE_REDHAWK
GCHandleStore* store = new (nothrow) GCHandleStore();
if (store == nullptr)
return nullptr;
bool success = ::Ref_InitializeHandleTableBucket(&store->_underlyingBucket, context);
if (!success)
{
delete store;
return nullptr;
}
return store;
#else
assert("CreateHandleStore is not implemented when FEATURE_REDHAWK is defined!");
return nullptr;
#endif
}
void GCHandleManager::DestroyHandleStore(IGCHandleStore* store)
{
delete store;
}
void* GCHandleManager::GetHandleContext(OBJECTHANDLE handle)
{
return (void*)((uintptr_t)::HndGetHandleTableADIndex(::HndGetHandleTable(handle)).m_dwIndex);
}
OBJECTHANDLE GCHandleManager::CreateGlobalHandleOfType(Object* object, HandleType type)
{
return ::HndCreateHandle(g_HandleTableMap.pBuckets[0]->pTable[GetCurrentThreadHomeHeapNumber()], type, ObjectToOBJECTREF(object));
}
OBJECTHANDLE GCHandleManager::CreateDuplicateHandle(OBJECTHANDLE handle)
{
return ::HndCreateHandle(HndGetHandleTable(handle), HNDTYPE_DEFAULT, ::HndFetchHandle(handle));
}
void GCHandleManager::DestroyHandleOfType(OBJECTHANDLE handle, HandleType type)
{
::HndDestroyHandle(::HndGetHandleTable(handle), type, handle);
}
void GCHandleManager::DestroyHandleOfUnknownType(OBJECTHANDLE handle)
{
::HndDestroyHandleOfUnknownType(::HndGetHandleTable(handle), handle);
}
void GCHandleManager::SetExtraInfoForHandle(OBJECTHANDLE handle, HandleType type, void* pExtraInfo)
{
::HndSetHandleExtraInfo(handle, type, (uintptr_t)pExtraInfo);
}
void* GCHandleManager::GetExtraInfoFromHandle(OBJECTHANDLE handle)
{
return (void*)::HndGetHandleExtraInfo(handle);
}
void GCHandleManager::StoreObjectInHandle(OBJECTHANDLE handle, Object* object)
{
::HndAssignHandle(handle, ObjectToOBJECTREF(object));
}
bool GCHandleManager::StoreObjectInHandleIfNull(OBJECTHANDLE handle, Object* object)
{
return !!::HndFirstAssignHandle(handle, ObjectToOBJECTREF(object));
}
void GCHandleManager::SetDependentHandleSecondary(OBJECTHANDLE handle, Object* object)
{
::SetDependentHandleSecondary(handle, ObjectToOBJECTREF(object));
}
Object* GCHandleManager::GetDependentHandleSecondary(OBJECTHANDLE handle)
{
return OBJECTREFToObject(::GetDependentHandleSecondary(handle));
}
Object* GCHandleManager::InterlockedCompareExchangeObjectInHandle(OBJECTHANDLE handle, Object* object, Object* comparandObject)
{
return (Object*)::HndInterlockedCompareExchangeHandle(handle, ObjectToOBJECTREF(object), ObjectToOBJECTREF(comparandObject));
}
HandleType GCHandleManager::HandleFetchType(OBJECTHANDLE handle)
{
uint32_t type = ::HandleFetchType(handle);
assert(type >= HNDTYPE_WEAK_SHORT && type <= HNDTYPE_WEAK_WINRT);
return static_cast<HandleType>(type);
}
void GCHandleManager::TraceRefCountedHandles(HANDLESCANPROC callback, uintptr_t param1, uintptr_t param2)
{
::Ref_TraceRefCountHandles(callback, param1, param2);
}
|