ASan malloc/free history threads
Reviewed at http://reviews.llvm.org/D4596
llvm-svn: 217116
diff --git a/lldb/source/Core/PluginManager.cpp b/lldb/source/Core/PluginManager.cpp
index cda5580..0cca76e 100644
--- a/lldb/source/Core/PluginManager.cpp
+++ b/lldb/source/Core/PluginManager.cpp
@@ -2068,6 +2068,110 @@
return NULL;
}
+#pragma mark MemoryHistory
+
+struct MemoryHistoryInstance
+{
+ MemoryHistoryInstance() :
+ name(),
+ description(),
+ create_callback(NULL)
+ {
+ }
+
+ ConstString name;
+ std::string description;
+ MemoryHistoryCreateInstance create_callback;
+};
+
+typedef std::vector<MemoryHistoryInstance> MemoryHistoryInstances;
+
+static Mutex &
+GetMemoryHistoryMutex ()
+{
+ static Mutex g_instances_mutex (Mutex::eMutexTypeRecursive);
+ return g_instances_mutex;
+}
+
+static MemoryHistoryInstances &
+GetMemoryHistoryInstances ()
+{
+ static MemoryHistoryInstances g_instances;
+ return g_instances;
+}
+
+bool
+PluginManager::RegisterPlugin
+(
+ const ConstString &name,
+ const char *description,
+ MemoryHistoryCreateInstance create_callback
+ )
+{
+ if (create_callback)
+ {
+ MemoryHistoryInstance instance;
+ assert ((bool)name);
+ instance.name = name;
+ if (description && description[0])
+ instance.description = description;
+ instance.create_callback = create_callback;
+ Mutex::Locker locker (GetMemoryHistoryMutex ());
+ GetMemoryHistoryInstances ().push_back (instance);
+ }
+ return false;
+}
+
+bool
+PluginManager::UnregisterPlugin (MemoryHistoryCreateInstance create_callback)
+{
+ if (create_callback)
+ {
+ Mutex::Locker locker (GetMemoryHistoryMutex ());
+ MemoryHistoryInstances &instances = GetMemoryHistoryInstances ();
+
+ MemoryHistoryInstances::iterator pos, end = instances.end();
+ for (pos = instances.begin(); pos != end; ++ pos)
+ {
+ if (pos->create_callback == create_callback)
+ {
+ instances.erase(pos);
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+MemoryHistoryCreateInstance
+PluginManager::GetMemoryHistoryCreateCallbackAtIndex (uint32_t idx)
+{
+ Mutex::Locker locker (GetMemoryHistoryMutex ());
+ MemoryHistoryInstances &instances = GetMemoryHistoryInstances ();
+ if (idx < instances.size())
+ return instances[idx].create_callback;
+ return NULL;
+}
+
+
+MemoryHistoryCreateInstance
+PluginManager::GetMemoryHistoryCreateCallbackForPluginName (const ConstString &name)
+{
+ if (name)
+ {
+ Mutex::Locker locker (GetMemoryHistoryMutex ());
+ MemoryHistoryInstances &instances = GetMemoryHistoryInstances ();
+
+ MemoryHistoryInstances::iterator pos, end = instances.end();
+ for (pos = instances.begin(); pos != end; ++ pos)
+ {
+ if (name == pos->name)
+ return pos->create_callback;
+ }
+ }
+ return NULL;
+}
+
void
PluginManager::DebuggerInitialize (Debugger &debugger)
{