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| //===-- OperatingSystem.h ----------------------------------------------*- C++
//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_OperatingSystem_h_
#define liblldb_OperatingSystem_h_
#include "lldb/Core/PluginInterface.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
/// \class OperatingSystem OperatingSystem.h "lldb/Target/OperatingSystem.h"
/// A plug-in interface definition class for halted OS helpers.
///
/// Halted OS plug-ins can be used by any process to locate and create
/// OS objects, like threads, during the lifetime of a debug session.
/// This is commonly used when attaching to an operating system that is
/// halted, such as when debugging over JTAG or connecting to low level kernel
/// debug services.
class OperatingSystem : public PluginInterface {
public:
/// Find a halted OS plugin for a given process.
///
/// Scans the installed OperatingSystem plug-ins and tries to find an
/// instance that matches the current target triple and executable.
///
/// \param[in] process
/// The process for which to try and locate a halted OS
/// plug-in instance.
///
/// \param[in] plugin_name
/// An optional name of a specific halted OS plug-in that
/// should be used. If NULL, pick the best plug-in.
static OperatingSystem *FindPlugin(Process *process, const char *plugin_name);
// Class Methods
OperatingSystem(Process *process);
~OperatingSystem() override;
// Plug-in Methods
virtual bool UpdateThreadList(ThreadList &old_thread_list,
ThreadList &real_thread_list,
ThreadList &new_thread_list) = 0;
virtual void ThreadWasSelected(Thread *thread) = 0;
virtual lldb::RegisterContextSP
CreateRegisterContextForThread(Thread *thread,
lldb::addr_t reg_data_addr) = 0;
virtual lldb::StopInfoSP CreateThreadStopReason(Thread *thread) = 0;
virtual lldb::ThreadSP CreateThread(lldb::tid_t tid, lldb::addr_t context) {
return lldb::ThreadSP();
}
virtual bool IsOperatingSystemPluginThread(const lldb::ThreadSP &thread_sp);
protected:
// Member variables.
Process
*m_process; ///< The process that this dynamic loader plug-in is tracking.
private:
DISALLOW_COPY_AND_ASSIGN(OperatingSystem);
};
} // namespace lldb_private
#endif // liblldb_OperatingSystem_h_
|