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//===-- ThreadPlan.cpp ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/ThreadPlan.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Log.h"
#include "lldb/Core/State.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Thread.h"
using namespace lldb;
using namespace lldb_private;
//----------------------------------------------------------------------
// ThreadPlan constructor
//----------------------------------------------------------------------
ThreadPlan::ThreadPlan(ThreadPlanKind kind, const char *name, Thread &thread, Vote stop_vote, Vote run_vote) :
m_thread (thread),
m_stop_vote (stop_vote),
m_run_vote (run_vote),
m_kind (kind),
m_name (name),
m_plan_complete_mutex (Mutex::eMutexTypeRecursive),
m_plan_complete (false),
m_plan_private (false),
m_okay_to_discard (false)
{
SetID (GetNextID());
}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
ThreadPlan::~ThreadPlan()
{
}
const char *
ThreadPlan::GetName () const
{
return m_name.c_str();
}
Thread &
ThreadPlan::GetThread()
{
return m_thread;
}
const Thread &
ThreadPlan::GetThread() const
{
return m_thread;
}
bool
ThreadPlan::IsPlanComplete ()
{
Mutex::Locker locker(m_plan_complete_mutex);
return m_plan_complete;
}
void
ThreadPlan::SetPlanComplete ()
{
Mutex::Locker locker(m_plan_complete_mutex);
m_plan_complete = true;
}
bool
ThreadPlan::MischiefManaged ()
{
Mutex::Locker locker(m_plan_complete_mutex);
m_plan_complete = true;
return true;
}
Vote
ThreadPlan::ShouldReportStop (Event *event_ptr)
{
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
if (m_stop_vote == eVoteNoOpinion)
{
ThreadPlan *prev_plan = GetPreviousPlan ();
if (prev_plan)
{
Vote prev_vote = prev_plan->ShouldReportStop (event_ptr);
if (log)
log->Printf ("ThreadPlan::ShouldReportStop() returning previous thread plan vote: %s", GetVoteAsCString (prev_vote));
return prev_vote;
}
}
if (log)
log->Printf ("ThreadPlan::ShouldReportStop() returning vote: %s", GetVoteAsCString (m_stop_vote));
return m_stop_vote;
}
Vote
ThreadPlan::ShouldReportRun (Event *event_ptr)
{
if (m_run_vote == eVoteNoOpinion)
{
ThreadPlan *prev_plan = GetPreviousPlan ();
if (prev_plan)
return prev_plan->ShouldReportRun (event_ptr);
}
return m_run_vote;
}
bool
ThreadPlan::StopOthers ()
{
ThreadPlan *prev_plan;
prev_plan = GetPreviousPlan ();
if (prev_plan == NULL)
return false;
else
return prev_plan->StopOthers();
}
bool
ThreadPlan::WillResume (StateType resume_state, bool current_plan)
{
if (current_plan)
{
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
if (log)
{
RegisterContext *reg_ctx = m_thread.GetRegisterContext();
addr_t pc = reg_ctx->GetPC();
addr_t sp = reg_ctx->GetSP();
addr_t fp = reg_ctx->GetFP();
log->Printf("%s Thread #%u: tid = 0x%4.4x, pc = 0x%8.8llx, sp = 0x%8.8llx, fp = 0x%8.8llx, plan = '%s', state = %s, stop others = %d",
__FUNCTION__,
m_thread.GetIndexID(),
m_thread.GetID(),
(uint64_t)pc,
(uint64_t)sp,
(uint64_t)fp,
m_name.c_str(),
StateAsCString(resume_state),
StopOthers());
}
}
return true;
}
lldb::user_id_t
ThreadPlan::GetNextID()
{
static uint32_t g_nextPlanID = 0;
return ++g_nextPlanID;
}
void
ThreadPlan::DidPush()
{
}
void
ThreadPlan::WillPop()
{
}
void
ThreadPlan::PushPlan (ThreadPlanSP &thread_plan_sp)
{
m_thread.PushPlan (thread_plan_sp);
}
ThreadPlan *
ThreadPlan::GetPreviousPlan ()
{
return m_thread.GetPreviousPlan (this);
}
void
ThreadPlan::SetPrivate (bool input)
{
m_plan_private = input;
}
bool
ThreadPlan::GetPrivate (void)
{
return m_plan_private;
}
bool
ThreadPlan::OkayToDiscard()
{
if (!IsMasterPlan())
return true;
else
return m_okay_to_discard;
}
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