include/lldb/Target/JITLoader.h

//===-- JITLoader.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_JITLoader_h_
#define liblldb_JITLoader_h_

#include <vector>

#include "lldb/Core/PluginInterface.h"
#include "lldb/Target/JITLoaderList.h"

namespace lldb_private {

//----------------------------------------------------------------------
/// @class JITLoader JITLoader.h "lldb/Target/JITLoader.h"
/// @brief A plug-in interface definition class for JIT loaders.
///
/// Plugins of this kind listen for code generated at runtime in the 
/// target. They are very similar to dynamic loader, with the difference
/// that they do not have information about the target's dyld and
/// that there may be multiple JITLoader plugins per process, while 
/// there is at most one DynamicLoader. 
//----------------------------------------------------------------------
class JITLoader :
    public PluginInterface
{
public:
    //------------------------------------------------------------------
    /// Find a JIT loader plugin for a given process.
    ///
    /// Scans the installed DynamicLoader plug-ins and tries to find
    /// all applicable instances for the current process.
    ///
    /// @param[in] process
    ///     The process for which to try and locate a JIT loader
    ///     plug-in instance.
    ///
    //------------------------------------------------------------------
    static void 
    LoadPlugins (Process *process, lldb_private::JITLoaderList &list);

    //------------------------------------------------------------------
    /// Construct with a process.
    //------------------------------------------------------------------
    JITLoader (Process *process);

    virtual 
    ~JITLoader ();

    //------------------------------------------------------------------
    /// Called after attaching a process.
    ///
    /// Allow JITLoader plug-ins to execute some code after
    /// attaching to a process.
    //------------------------------------------------------------------
    virtual void
    DidAttach () = 0;

    //------------------------------------------------------------------
    /// Called after launching a process.
    ///
    /// Allow JITLoader plug-ins to execute some code after
    /// the process has stopped for the first time on launch.
    //------------------------------------------------------------------
    virtual void
    DidLaunch () = 0;

    //------------------------------------------------------------------
    /// Called after a new shared object has been loaded so that it can
    /// be probed for JIT entry point hooks.
    //------------------------------------------------------------------
    virtual void
    ModulesDidLoad (lldb_private::ModuleList &module_list) = 0;

protected:
    //------------------------------------------------------------------
    // Member variables.
    //------------------------------------------------------------------
    Process* m_process;
};

} // namespace lldb_private

#endif // liblldb_JITLoader_h_