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