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//===-- ThreadMemory.cpp ----------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Plugins/Process/Utility/ThreadMemory.h"
#include "lldb/Target/OperatingSystem.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Unwind.h"
#include "Plugins/Process/Utility/RegisterContextThreadMemory.h"
using namespace lldb;
using namespace lldb_private;
ThreadMemory::ThreadMemory (Process &process,
tid_t tid,
const ValueObjectSP &thread_info_valobj_sp) :
Thread (process, tid),
m_backing_thread_sp (),
m_thread_info_valobj_sp (thread_info_valobj_sp),
m_name(),
m_queue()
{
}
ThreadMemory::ThreadMemory (Process &process,
lldb::tid_t tid,
const char *name,
const char *queue,
lldb::addr_t register_data_addr) :
Thread (process, tid),
m_backing_thread_sp (),
m_thread_info_valobj_sp (),
m_name(),
m_queue(),
m_register_data_addr (register_data_addr)
{
if (name)
m_name = name;
if (queue)
m_queue = queue;
}
ThreadMemory::~ThreadMemory()
{
DestroyThread();
}
void
ThreadMemory::WillResume (StateType resume_state)
{
if (m_backing_thread_sp)
m_backing_thread_sp->WillResume(resume_state);
}
void
ThreadMemory::ClearStackFrames ()
{
if (m_backing_thread_sp)
m_backing_thread_sp->ClearStackFrames();
Thread::ClearStackFrames();
}
RegisterContextSP
ThreadMemory::GetRegisterContext ()
{
if (!m_reg_context_sp)
m_reg_context_sp.reset (new RegisterContextThreadMemory (*this, m_register_data_addr));
return m_reg_context_sp;
}
RegisterContextSP
ThreadMemory::CreateRegisterContextForFrame (StackFrame *frame)
{
RegisterContextSP reg_ctx_sp;
uint32_t concrete_frame_idx = 0;
if (frame)
concrete_frame_idx = frame->GetConcreteFrameIndex ();
if (concrete_frame_idx == 0)
{
reg_ctx_sp = GetRegisterContext ();
}
else
{
Unwind *unwinder = GetUnwinder ();
if (unwinder)
reg_ctx_sp = unwinder->CreateRegisterContextForFrame (frame);
}
return reg_ctx_sp;
}
bool
ThreadMemory::CalculateStopInfo ()
{
if (m_backing_thread_sp)
{
lldb::StopInfoSP backing_stop_info_sp (m_backing_thread_sp->GetPrivateStopInfo());
if (backing_stop_info_sp && backing_stop_info_sp->IsValidForOperatingSystemThread(*this))
{
backing_stop_info_sp->SetThread (shared_from_this());
SetStopInfo (backing_stop_info_sp);
return true;
}
}
else
{
ProcessSP process_sp (GetProcess());
if (process_sp)
{
OperatingSystem *os = process_sp->GetOperatingSystem ();
if (os)
{
SetStopInfo (os->CreateThreadStopReason (this));
return true;
}
}
}
return false;
}
void
ThreadMemory::RefreshStateAfterStop()
{
if (m_backing_thread_sp)
return m_backing_thread_sp->RefreshStateAfterStop();
if (m_reg_context_sp)
m_reg_context_sp->InvalidateAllRegisters();
}
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