Additions to RenderScriptRuntime in prep for detection of RenderScript modules and moving of the command interpreter manipulation to after construction.

Differential Revision: http://reviews.llvm.org/D9001

llvm-svn: 234871

lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp

@@ -58,6 +58,45 @@ RenderScriptRuntime::GetPluginNameStatic()
     return g_name;
 }
 
+RenderScriptRuntime::ModuleKind 
+RenderScriptRuntime::GetModuleKind(const lldb::ModuleSP &module_sp)
+{
+    if (module_sp)
+    {
+        // Is this a module containing renderscript kernels?
+        const Symbol *info_sym = module_sp->FindFirstSymbolWithNameAndType(ConstString(".rs.info"), eSymbolTypeData);
+        if (info_sym)
+        {
+            return eModuleKindKernelObj;
+        }
+    }
+    return eModuleKindIgnored;
+}
+
+bool
+RenderScriptRuntime::IsRenderScriptModule(const lldb::ModuleSP &module_sp)
+{
+    return GetModuleKind(module_sp) != eModuleKindIgnored;
+}
+
+
+void 
+RenderScriptRuntime::ModulesDidLoad(const ModuleList &module_list )
+{
+    Mutex::Locker locker (module_list.GetMutex ());
+
+    size_t num_modules = module_list.GetSize();
+    for (size_t i = 0; i < num_modules; i++)
+    {
+        auto mod = module_list.GetModuleAtIndex (i);
+        if (IsRenderScriptModule (mod))
+        {
+            LoadModule(mod);
+        }
+    }
+}
+
+
 //------------------------------------------------------------------
 // PluginInterface protocol
 //------------------------------------------------------------------
@@ -109,16 +148,45 @@ RenderScriptRuntime::LoadModule(const lldb::ModuleSP &module_sp)
             if (rs_module.m_module == module_sp)
                 return false;
         }
-        RSModuleDescriptor module_desc(module_sp);
-        if (module_desc.ParseRSInfo())
+        bool module_loaded = false;
+        switch (GetModuleKind(module_sp))
         {
-            m_rsmodules.push_back(module_desc);
-            return true;
+            case eModuleKindKernelObj:
+            {
+                RSModuleDescriptor module_desc(module_sp);
+                if (module_desc.ParseRSInfo())
+                {
+                    m_rsmodules.push_back(module_desc);
+                    module_loaded = true;
+                }
+                break;
+            }
+            case eModuleKindDriver:
+            case eModuleKindImpl:
+            case eModuleKindLibRS:
+            default:
+                break;
         }
+        if (module_loaded)
+            Update();  
+        return module_loaded;
     }
     return false;
 }
 
+void
+RenderScriptRuntime::Update()
+{
+    if (m_rsmodules.size() > 0)
+    {
+        if (!m_initiated)
+        {
+            Initiate();
+        }
+    }
+}
+
+
 // The maximum line length of an .rs.info packet
 #define MAXLINE 500
 
@@ -344,13 +412,22 @@ class CommandObjectRenderScriptRuntime : public CommandObjectMultiword
 
     ~CommandObjectRenderScriptRuntime() {}
 };
-RenderScriptRuntime::RenderScriptRuntime(Process *process)
-    : lldb_private::CPPLanguageRuntime(process)
+
+void
+RenderScriptRuntime::Initiate()
 {
+    assert(!m_initiated);
+    Process* process = GetProcess();
     if (process)
     {
         CommandInterpreter &interpreter = process->GetTarget().GetDebugger().GetCommandInterpreter();
-        interpreter.AddCommand("renderscript", CommandObjectSP(new CommandObjectRenderScriptRuntime(interpreter)),
-                               true);
+        m_initiated = interpreter.AddCommand("renderscript", CommandObjectSP(
+                                           new CommandObjectRenderScriptRuntime(interpreter)), true);
     }
 }
+
+RenderScriptRuntime::RenderScriptRuntime(Process *process)
+    : lldb_private::CPPLanguageRuntime(process), m_initiated(false)
+{
+
+}

lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h

@@ -80,6 +80,16 @@ class RSModuleDescriptor
 class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime
 {
   public:
+
+    enum ModuleKind
+    {
+        eModuleKindIgnored,
+        eModuleKindLibRS,
+        eModuleKindDriver,
+        eModuleKindImpl,
+        eModuleKindKernelObj
+    };
+
     ~RenderScriptRuntime() {}
 
     //------------------------------------------------------------------
@@ -93,6 +103,12 @@ class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime
 
     static lldb_private::ConstString GetPluginNameStatic();
 
+    static bool IsRenderScriptModule(const lldb::ModuleSP &module_sp);
+
+    static ModuleKind GetModuleKind(const lldb::ModuleSP &module_sp);
+
+    static void ModulesDidLoad(const lldb::ProcessSP& process_sp, const ModuleList &module_list );
+
     //------------------------------------------------------------------
     // PluginInterface protocol
     //------------------------------------------------------------------
@@ -119,9 +135,15 @@ class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime
         return static_cast<size_t>(0);
     }
 
+    virtual void ModulesDidLoad(const ModuleList &module_list );
+
+    void Update();
+
+    void Initiate();
+
   protected:
     std::vector<RSModuleDescriptor> m_rsmodules;
-
+    bool m_initiated;
   private:
     RenderScriptRuntime(Process *process); // Call CreateInstance instead.
 };