254 lines
8.3 KiB
C++
254 lines
8.3 KiB
C++
//===-- OperatingSystemPython.cpp --------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_DISABLE_PYTHON
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#include "OperatingSystemPython.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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#include "lldb/Core/ArchSpec.h"
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#include "lldb/Core/DataBufferHeap.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Interpreter/PythonDataObjects.h"
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#include "lldb/Core/RegisterValue.h"
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#include "lldb/Core/ValueObjectVariable.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/PythonDataObjects.h"
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#include "lldb/Symbol/ClangNamespaceDecl.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/VariableList.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/StopInfo.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/ThreadList.h"
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#include "lldb/Target/Thread.h"
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#include "Plugins/Process/Utility/DynamicRegisterInfo.h"
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#include "Plugins/Process/Utility/RegisterContextMemory.h"
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#include "Plugins/Process/Utility/ThreadMemory.h"
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using namespace lldb;
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using namespace lldb_private;
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void
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OperatingSystemPython::Initialize()
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{
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PluginManager::RegisterPlugin (GetPluginNameStatic(),
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GetPluginDescriptionStatic(),
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CreateInstance);
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}
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void
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OperatingSystemPython::Terminate()
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{
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PluginManager::UnregisterPlugin (CreateInstance);
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}
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OperatingSystem *
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OperatingSystemPython::CreateInstance (Process *process, bool force)
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{
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// Python OperatingSystem plug-ins must be requested by name, so force must be true
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if (force)
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return new OperatingSystemPython (process);
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return NULL;
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}
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const char *
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OperatingSystemPython::GetPluginNameStatic()
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{
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return "python";
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}
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const char *
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OperatingSystemPython::GetPluginDescriptionStatic()
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{
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return "Operating system plug-in that gathers OS information from a python class that implements the necessary OperatingSystem functionality.";
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}
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OperatingSystemPython::OperatingSystemPython (lldb_private::Process *process) :
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OperatingSystem (process),
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m_thread_list_valobj_sp (),
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m_register_info_ap (),
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m_interpreter(NULL),
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m_python_object(NULL)
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{
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if (!process)
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return;
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lldb::TargetSP target_sp = process->CalculateTarget();
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if (!target_sp)
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return;
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m_interpreter = target_sp->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
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if (m_interpreter)
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{
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// TODO: hardcoded is not good
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auto object_sp = m_interpreter->CreateOSPlugin("operating_system.PlugIn",process->CalculateProcess());
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if (object_sp)
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{
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m_python_object = object_sp->GetObject();
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//GetDynamicRegisterInfo (); // COMMENT THIS LINE OUT PRIOR TO CHECKIN!!!
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}
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}
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}
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OperatingSystemPython::~OperatingSystemPython ()
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{
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}
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DynamicRegisterInfo *
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OperatingSystemPython::GetDynamicRegisterInfo ()
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{
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if (m_register_info_ap.get() == NULL)
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{
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if (!m_interpreter || !m_python_object)
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return NULL;
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auto object_sp = m_interpreter->OSPlugin_QueryForRegisterInfo(m_interpreter->MakeScriptObject(m_python_object));
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if (!object_sp)
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return NULL;
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PythonDataObject dictionary_data_obj((PyObject*)object_sp->GetObject());
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PythonDataDictionary dictionary = dictionary_data_obj.GetDictionaryObject();
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if (!dictionary)
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return NULL;
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m_register_info_ap.reset (new DynamicRegisterInfo (dictionary));
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assert (m_register_info_ap->GetNumRegisters() > 0);
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assert (m_register_info_ap->GetNumRegisterSets() > 0);
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}
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return m_register_info_ap.get();
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}
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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const char *
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OperatingSystemPython::GetPluginName()
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{
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return "OperatingSystemPython";
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}
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const char *
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OperatingSystemPython::GetShortPluginName()
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{
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return GetPluginNameStatic();
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}
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uint32_t
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OperatingSystemPython::GetPluginVersion()
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{
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return 1;
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}
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bool
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OperatingSystemPython::UpdateThreadList (ThreadList &old_thread_list, ThreadList &new_thread_list)
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{
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if (!m_interpreter || !m_python_object)
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return NULL;
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auto object_sp = m_interpreter->OSPlugin_QueryForThreadsInfo(m_interpreter->MakeScriptObject(m_python_object));
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if (!object_sp)
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return NULL;
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PythonDataObject pyobj((PyObject*)object_sp->GetObject());
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PythonDataArray threads_array (pyobj.GetArrayObject());
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if (threads_array)
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{
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// const uint32_t num_old_threads = old_thread_list.GetSize(false);
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// for (uint32_t i=0; i<num_old_threads; ++i)
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// {
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// ThreadSP old_thread_sp(old_thread_list.GetThreadAtIndex(i, false));
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// if (old_thread_sp->GetID() < 0x10000)
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// new_thread_list.AddThread (old_thread_sp);
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// }
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PythonDataString tid_pystr("tid");
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PythonDataString name_pystr("name");
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PythonDataString queue_pystr("queue");
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PythonDataString state_pystr("state");
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PythonDataString stop_reason_pystr("stop_reason");
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const uint32_t num_threads = threads_array.GetSize();
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for (uint32_t i=0; i<num_threads; ++i)
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{
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PythonDataDictionary thread_dict(threads_array.GetItemAtIndex(i).GetDictionaryObject());
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if (thread_dict)
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{
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const tid_t tid = thread_dict.GetItemForKeyAsInteger(tid_pystr, LLDB_INVALID_THREAD_ID);
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const char *name = thread_dict.GetItemForKeyAsString (name_pystr);
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const char *queue = thread_dict.GetItemForKeyAsString (queue_pystr);
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//const char *state = thread_dict.GetItemForKeyAsString (state_pystr);
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//const char *stop_reason = thread_dict.GetItemForKeyAsString (stop_reason_pystr);
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ThreadSP thread_sp (old_thread_list.FindThreadByID (tid, false));
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if (!thread_sp)
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thread_sp.reset (new ThreadMemory (m_process->shared_from_this(),
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tid,
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name,
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queue));
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new_thread_list.AddThread(thread_sp);
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}
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}
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}
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else
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{
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new_thread_list = old_thread_list;
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}
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return new_thread_list.GetSize(false) > 0;
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}
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void
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OperatingSystemPython::ThreadWasSelected (Thread *thread)
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{
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}
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RegisterContextSP
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OperatingSystemPython::CreateRegisterContextForThread (Thread *thread)
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{
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RegisterContextSP reg_ctx_sp;
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if (!m_interpreter || !m_python_object || !thread)
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return RegisterContextSP();
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auto object_sp = m_interpreter->OSPlugin_QueryForRegisterContextData (m_interpreter->MakeScriptObject(m_python_object),
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thread->GetID());
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if (!object_sp)
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return RegisterContextSP();
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PythonDataString reg_context_data((PyObject*)object_sp->GetObject());
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if (reg_context_data)
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{
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DataBufferSP data_sp (new DataBufferHeap (reg_context_data.GetString(),
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reg_context_data.GetSize()));
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if (data_sp->GetByteSize())
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{
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RegisterContextMemory *reg_ctx_memory = new RegisterContextMemory (*thread, 0, *GetDynamicRegisterInfo (), LLDB_INVALID_ADDRESS);
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if (reg_ctx_memory)
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{
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reg_ctx_sp.reset(reg_ctx_memory);
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reg_ctx_memory->SetAllRegisterData (data_sp);
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}
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}
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}
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return reg_ctx_sp;
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}
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StopInfoSP
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OperatingSystemPython::CreateThreadStopReason (lldb_private::Thread *thread)
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{
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// We should have gotten the thread stop info from the dictionary of data for
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// the thread in the initial call to get_thread_info(), this should have been
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// cached so we can return it here
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StopInfoSP stop_info_sp; //(StopInfo::CreateStopReasonWithSignal (*thread, SIGSTOP));
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return stop_info_sp;
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}
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#endif // #ifndef LLDB_DISABLE_PYTHON
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