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//===-- BreakpointLocationList.cpp ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/BreakpointLocationList.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/ModuleList.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
BreakpointLocationList::BreakpointLocationList() :
m_locations(),
m_address_to_location (),
m_mutex (Mutex::eMutexTypeRecursive)
{
}
BreakpointLocationList::~BreakpointLocationList()
{
}
BreakpointLocationSP
BreakpointLocationList::Create (Breakpoint &bp, const Address &addr)
{
Mutex::Locker locker (m_mutex);
// The location ID is just the size of the location list + 1
lldb::break_id_t bp_loc_id = m_locations.size() + 1;
BreakpointLocationSP bp_loc_sp (new BreakpointLocation (bp_loc_id, bp, addr));
m_locations.push_back (bp_loc_sp);
m_address_to_location[addr] = bp_loc_sp;
return bp_loc_sp;
}
bool
BreakpointLocationList::ShouldStop (StoppointCallbackContext *context, lldb::break_id_t break_id)
{
BreakpointLocationSP bp = FindByID (break_id);
if (bp)
{
// Let the BreakpointLocation decide if it should stop here (could not have
// reached it's target hit count yet, or it could have a callback
// that decided it shouldn't stop (shared library loads/unloads).
return bp->ShouldStop (context);
}
// We should stop here since this BreakpointLocation isn't valid anymore or it
// doesn't exist.
return true;
}
lldb::break_id_t
BreakpointLocationList::FindIDByAddress (const Address &addr)
{
BreakpointLocationSP bp_loc_sp = FindByAddress (addr);
if (bp_loc_sp)
{
return bp_loc_sp->GetID();
}
return LLDB_INVALID_BREAK_ID;
}
BreakpointLocationSP
BreakpointLocationList::FindByID (lldb::break_id_t break_id) const
{
BreakpointLocationSP bp_loc_sp;
Mutex::Locker locker (m_mutex);
// We never remove a breakpoint locations, so the ID can be translated into
// the location index by subtracting 1
uint32_t idx = break_id - 1;
if (idx <= m_locations.size())
{
bp_loc_sp = m_locations[idx];
}
return bp_loc_sp;
}
size_t
BreakpointLocationList::FindInModule (Module *module,
BreakpointLocationCollection& bp_loc_list)
{
Mutex::Locker locker (m_mutex);
const size_t orig_size = bp_loc_list.GetSize();
collection::iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
{
BreakpointLocationSP break_loc = (*pos);
const Section *section = break_loc->GetAddress().GetSection();
if (section && section->GetModule() == module)
{
bp_loc_list.Add (break_loc);
}
}
return bp_loc_list.GetSize() - orig_size;
}
const BreakpointLocationSP
BreakpointLocationList::FindByAddress (const Address &addr) const
{
Mutex::Locker locker (m_mutex);
BreakpointLocationSP bp_loc_sp;
if (!m_locations.empty())
{
addr_map::const_iterator pos = m_address_to_location.find (addr);
if (pos != m_address_to_location.end())
bp_loc_sp = pos->second;
}
return bp_loc_sp;
}
void
BreakpointLocationList::Dump (Stream *s) const
{
s->Printf("%p: ", this);
//s->Indent();
Mutex::Locker locker (m_mutex);
s->Printf("BreakpointLocationList with %zu BreakpointLocations:\n", m_locations.size());
s->IndentMore();
collection::const_iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
(*pos).get()->Dump(s);
s->IndentLess();
}
BreakpointLocationSP
BreakpointLocationList::GetByIndex (uint32_t i)
{
Mutex::Locker locker (m_mutex);
BreakpointLocationSP bp_loc_sp;
if (i < m_locations.size())
bp_loc_sp = m_locations[i];
return bp_loc_sp;
}
const BreakpointLocationSP
BreakpointLocationList::GetByIndex (uint32_t i) const
{
Mutex::Locker locker (m_mutex);
BreakpointLocationSP bp_loc_sp;
if (i < m_locations.size())
bp_loc_sp = m_locations[i];
return bp_loc_sp;
}
void
BreakpointLocationList::ClearAllBreakpointSites ()
{
Mutex::Locker locker (m_mutex);
collection::iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
(*pos)->ClearBreakpointSite();
}
void
BreakpointLocationList::ResolveAllBreakpointSites ()
{
Mutex::Locker locker (m_mutex);
collection::iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
{
if ((*pos)->IsEnabled())
(*pos)->ResolveBreakpointSite();
}
}
uint32_t
BreakpointLocationList::GetHitCount () const
{
uint32_t hit_count = 0;
Mutex::Locker locker (m_mutex);
collection::const_iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
hit_count += (*pos)->GetHitCount();
return hit_count;
}
size_t
BreakpointLocationList::GetNumResolvedLocations() const
{
Mutex::Locker locker (m_mutex);
size_t resolve_count = 0;
collection::const_iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
{
if ((*pos)->IsResolved())
++resolve_count;
}
return resolve_count;
}
void
BreakpointLocationList::GetDescription (Stream *s, lldb::DescriptionLevel level)
{
Mutex::Locker locker (m_mutex);
collection::iterator pos, end = m_locations.end();
for (pos = m_locations.begin(); pos != end; ++pos)
{
s->Printf(" ");
(*pos)->GetDescription(s, level);
}
}
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