Add an OperatingSystem plugin to support goroutines
The Go runtime schedules user level threads (goroutines) across real threads.
This adds an OS plugin to create memory threads for goroutines.
It supports the 1.4 and 1.5 go runtime.
Differential Revision: http://reviews.llvm.org/D5871
llvm-svn: 247852
diff --git a/lldb/source/Core/PluginManager.cpp b/lldb/source/Core/PluginManager.cpp
index 2770bbb..4c0d2e7 100644
--- a/lldb/source/Core/PluginManager.cpp
+++ b/lldb/source/Core/PluginManager.cpp
@@ -771,16 +771,18 @@
struct OperatingSystemInstance
{
- OperatingSystemInstance() :
- name(),
- description(),
- create_callback(NULL)
+ OperatingSystemInstance () :
+ name (),
+ description (),
+ create_callback (nullptr),
+ debugger_init_callback (nullptr)
{
}
ConstString name;
std::string description;
OperatingSystemCreateInstance create_callback;
+ DebuggerInitializeCallback debugger_init_callback;
};
typedef std::vector<OperatingSystemInstance> OperatingSystemInstances;
@@ -800,9 +802,9 @@
}
bool
-PluginManager::RegisterPlugin (const ConstString &name,
- const char *description,
- OperatingSystemCreateInstance create_callback)
+PluginManager::RegisterPlugin(const ConstString &name, const char *description,
+ OperatingSystemCreateInstance create_callback,
+ DebuggerInitializeCallback debugger_init_callback)
{
if (create_callback)
{
@@ -812,6 +814,7 @@
if (description && description[0])
instance.description = description;
instance.create_callback = create_callback;
+ instance.debugger_init_callback = debugger_init_callback;
Mutex::Locker locker (GetOperatingSystemMutex ());
GetOperatingSystemInstances ().push_back (instance);
}
@@ -2579,6 +2582,16 @@
sym_file.debugger_init_callback (debugger);
}
}
+
+ // Initialize the OperatingSystem plugins
+ {
+ Mutex::Locker locker(GetOperatingSystemMutex());
+ for (auto &os : GetOperatingSystemInstances())
+ {
+ if (os.debugger_init_callback)
+ os.debugger_init_callback(debugger);
+ }
+ }
}
// This is the preferred new way to register plugin specific settings. e.g.
@@ -2823,3 +2836,38 @@
description,
is_global_property);
}
+
+static const char *kOperatingSystemPluginName("os");
+
+lldb::OptionValuePropertiesSP
+PluginManager::GetSettingForOperatingSystemPlugin(Debugger &debugger, const ConstString &setting_name)
+{
+ lldb::OptionValuePropertiesSP properties_sp;
+ lldb::OptionValuePropertiesSP plugin_type_properties_sp(
+ GetDebuggerPropertyForPlugins(debugger, ConstString(kOperatingSystemPluginName),
+ ConstString(), // not creating to so we don't need the description
+ false));
+ if (plugin_type_properties_sp)
+ properties_sp = plugin_type_properties_sp->GetSubProperty(nullptr, setting_name);
+ return properties_sp;
+}
+
+bool
+PluginManager::CreateSettingForOperatingSystemPlugin(Debugger &debugger,
+ const lldb::OptionValuePropertiesSP &properties_sp,
+ const ConstString &description, bool is_global_property)
+{
+ if (properties_sp)
+ {
+ lldb::OptionValuePropertiesSP plugin_type_properties_sp(
+ GetDebuggerPropertyForPlugins(debugger, ConstString(kOperatingSystemPluginName),
+ ConstString("Settings for operating system plug-ins"), true));
+ if (plugin_type_properties_sp)
+ {
+ plugin_type_properties_sp->AppendProperty(properties_sp->GetName(), description, is_global_property,
+ properties_sp);
+ return true;
+ }
+ }
+ return false;
+}