ThreadPlanStepOverBreakpoint.cpp [plain text]
#include "lldb/Target/ThreadPlanStepOverBreakpoint.h"
#include "lldb/lldb-private-log.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Stream.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
using namespace lldb;
using namespace lldb_private;
ThreadPlanStepOverBreakpoint::ThreadPlanStepOverBreakpoint (Thread &thread) :
ThreadPlan (ThreadPlan::eKindStepOverBreakpoint, "Step over breakpoint trap",
thread,
eVoteNo,
eVoteNoOpinion), m_breakpoint_addr (LLDB_INVALID_ADDRESS),
m_auto_continue(false)
{
m_breakpoint_addr = m_thread.GetRegisterContext()->GetPC();
m_breakpoint_site_id = m_thread.GetProcess().GetBreakpointSiteList().FindIDByAddress (m_breakpoint_addr);
}
ThreadPlanStepOverBreakpoint::~ThreadPlanStepOverBreakpoint ()
{
}
void
ThreadPlanStepOverBreakpoint::GetDescription (Stream *s, lldb::DescriptionLevel level)
{
s->Printf("Single stepping past breakpoint site %llu at 0x%llx", m_breakpoint_site_id, (uint64_t)m_breakpoint_addr);
}
bool
ThreadPlanStepOverBreakpoint::ValidatePlan (Stream *error)
{
return true;
}
bool
ThreadPlanStepOverBreakpoint::PlanExplainsStop ()
{
return true;
}
bool
ThreadPlanStepOverBreakpoint::ShouldStop (Event *event_ptr)
{
return false;
}
bool
ThreadPlanStepOverBreakpoint::StopOthers ()
{
return true;
}
StateType
ThreadPlanStepOverBreakpoint::GetPlanRunState ()
{
return eStateStepping;
}
bool
ThreadPlanStepOverBreakpoint::WillResume (StateType resume_state, bool current_plan)
{
ThreadPlan::WillResume (resume_state, current_plan);
if (current_plan)
{
BreakpointSiteSP bp_site_sp (m_thread.GetProcess().GetBreakpointSiteList().FindByAddress (m_breakpoint_addr));
if (bp_site_sp && bp_site_sp->IsEnabled())
m_thread.GetProcess().DisableBreakpoint (bp_site_sp.get());
}
return true;
}
bool
ThreadPlanStepOverBreakpoint::WillStop ()
{
BreakpointSiteSP bp_site_sp (m_thread.GetProcess().GetBreakpointSiteList().FindByAddress (m_breakpoint_addr));
if (bp_site_sp)
m_thread.GetProcess().EnableBreakpoint (bp_site_sp.get());
return true;
}
bool
ThreadPlanStepOverBreakpoint::MischiefManaged ()
{
lldb::addr_t pc_addr = m_thread.GetRegisterContext()->GetPC();
if (pc_addr == m_breakpoint_addr)
{
return false;
}
else
{
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
if (log)
log->Printf("Completed step over breakpoint plan.");
BreakpointSiteSP bp_site_sp (m_thread.GetProcess().GetBreakpointSiteList().FindByAddress (m_breakpoint_addr));
if (bp_site_sp)
m_thread.GetProcess().EnableBreakpoint (bp_site_sp.get());
ThreadPlan::MischiefManaged ();
return true;
}
}
void
ThreadPlanStepOverBreakpoint::SetAutoContinue (bool do_it)
{
m_auto_continue = do_it;
}
bool
ThreadPlanStepOverBreakpoint::ShouldAutoContinue (Event *event_ptr)
{
return m_auto_continue;
}