Implement an empty DynamicLoader plugin for Windows.

llvm-svn: 223496

lldb/source/Plugins/Process/Windows/CMakeLists.txt

@@ -5,6 +5,7 @@ include_directories(../Utility)
 
 add_lldb_library(lldbPluginProcessWindows
   DebuggerThread.cpp
+  DynamicLoaderWindows.cpp
   LocalDebugDelegate.cpp
   ProcessWindows.cpp
   RegisterContextWindows_x86.cpp

lldb/source/Plugins/Process/Windows/DynamicLoaderWindows.cpp

@@ -0,0 +1,100 @@
+//===-- DynamicLoaderWindows.cpp --------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "DynamicLoaderWindows.h"
+
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Target.h"
+
+#include "llvm/ADT/Triple.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+DynamicLoaderWindows::DynamicLoaderWindows(Process *process)
+    : DynamicLoader(process)
+{
+
+}
+
+DynamicLoaderWindows::~DynamicLoaderWindows()
+{
+}
+
+void DynamicLoaderWindows::Initialize()
+{
+    PluginManager::RegisterPlugin(GetPluginNameStatic(),
+                                  GetPluginDescriptionStatic(),
+                                  CreateInstance);
+}
+
+void DynamicLoaderWindows::Terminate()
+{
+
+}
+
+ConstString DynamicLoaderWindows::GetPluginNameStatic()
+{
+    static ConstString g_plugin_name("windows-dyld");
+    return g_plugin_name;
+}
+
+const char *DynamicLoaderWindows::GetPluginDescriptionStatic()
+{
+    return "Dynamic loader plug-in that watches for shared library "
+           "loads/unloads in Windows processes.";
+}
+
+
+DynamicLoader *DynamicLoaderWindows::CreateInstance(Process *process, bool force)
+{
+    bool should_create = force;
+    if (!should_create)
+    {
+        const llvm::Triple &triple_ref = process->GetTarget().GetArchitecture().GetTriple();
+        if (triple_ref.getOS() == llvm::Triple::Win32)
+            should_create = true;
+    }
+
+    if (should_create)
+        return new DynamicLoaderWindows (process);
+    return nullptr;
+}
+
+void DynamicLoaderWindows::DidAttach()
+{
+
+}
+
+void DynamicLoaderWindows::DidLaunch()
+{
+
+}
+
+Error DynamicLoaderWindows::CanLoadImage()
+{
+    return Error();
+}
+
+ConstString DynamicLoaderWindows::GetPluginName()
+{
+    return GetPluginNameStatic();
+}
+
+uint32_t DynamicLoaderWindows::GetPluginVersion()
+{
+    return 1;
+}
+
+ThreadPlanSP
+DynamicLoaderWindows::GetStepThroughTrampolinePlan(Thread &thread, bool stop)
+{
+    return ThreadPlanSP();
+}

lldb/source/Plugins/Process/Windows/DynamicLoaderWindows.h

@@ -0,0 +1,43 @@
+//===-- DynamicLoaderWindows.h ----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_Plugins_Process_Windows_DynamicLoaderWindows_H_
+#define liblldb_Plugins_Process_Windows_DynamicLoaderWindows_H_
+
+#include "lldb/lldb-forward.h"
+#include "lldb/Target/DynamicLoader.h"
+
+namespace lldb_private
+{
+
+class DynamicLoaderWindows : public DynamicLoader
+{
+  public:
+    DynamicLoaderWindows(Process *process);
+    virtual ~DynamicLoaderWindows();
+
+    static void Initialize();
+    static void Terminate();
+    static ConstString GetPluginNameStatic();
+    static const char *GetPluginDescriptionStatic();
+
+    static DynamicLoader *CreateInstance(Process *process, bool force);
+
+    void DidAttach () override;
+    void DidLaunch () override;
+    Error CanLoadImage () override;
+    lldb::ThreadPlanSP GetStepThroughTrampolinePlan(Thread &thread, bool stop) override;
+
+    virtual ConstString GetPluginName() override;
+    virtual uint32_t GetPluginVersion() override;
+};
+
+}
+
+#endif

lldb/source/lldb.cpp

@@ -83,6 +83,7 @@
 #endif
 
 #if defined (_WIN32)
+#include "Plugins/Process/Windows/DynamicLoaderWindows.h"
 #include "Plugins/Process/Windows/ProcessWindows.h"
 #endif
 
@@ -189,6 +190,7 @@ lldb_private::Initialize ()
         ProcessLinux::Initialize();
 #endif
 #if defined(_WIN32)
+        DynamicLoaderWindows::Initialize();
         ProcessWindows::Initialize();
 #endif
 #if defined (__FreeBSD__)
@@ -276,6 +278,10 @@ lldb_private::Terminate ()
 
     Debugger::SettingsTerminate ();
 
+#if defined (_WIN32)
+    DynamicLoaderWindows::Terminate();
+#endif
+
 #if defined (__linux__)
     ProcessLinux::Terminate();
 #endif