forked from OSchip/llvm-project
306 lines
8.0 KiB
C++
306 lines
8.0 KiB
C++
//===-- 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/Breakpoint/Breakpoint.h"
|
|
#include "lldb/Core/Section.h"
|
|
#include "lldb/Target/Target.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
BreakpointLocationList::BreakpointLocationList(Breakpoint &owner) :
|
|
m_owner (owner),
|
|
m_locations(),
|
|
m_address_to_location (),
|
|
m_mutex (Mutex::eMutexTypeRecursive),
|
|
m_next_id (0),
|
|
m_new_location_recorder (NULL)
|
|
{
|
|
}
|
|
|
|
BreakpointLocationList::~BreakpointLocationList()
|
|
{
|
|
}
|
|
|
|
BreakpointLocationSP
|
|
BreakpointLocationList::Create (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_next_id;
|
|
BreakpointLocationSP bp_loc_sp (new BreakpointLocation (bp_loc_id, m_owner, addr, LLDB_INVALID_THREAD_ID, m_owner.IsHardware()));
|
|
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);
|
|
SectionSP section_sp (break_loc->GetAddress().GetSection());
|
|
if (section_sp && section_sp->GetModule().get() == 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())
|
|
{
|
|
Address so_addr;
|
|
|
|
if (addr.IsSectionOffset())
|
|
{
|
|
so_addr = addr;
|
|
}
|
|
else
|
|
{
|
|
// Try and resolve as a load address if possible.
|
|
m_owner.GetTarget().GetSectionLoadList().ResolveLoadAddress (addr.GetOffset(), so_addr);
|
|
if (!so_addr.IsValid())
|
|
{
|
|
// The address didn't resolve, so just set to passed in addr.
|
|
so_addr = addr;
|
|
}
|
|
}
|
|
|
|
addr_map::const_iterator pos = m_address_to_location.find (so_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 %" PRIu64 " BreakpointLocations:\n", (uint64_t)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 (size_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 (size_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);
|
|
}
|
|
}
|
|
|
|
BreakpointLocationSP
|
|
BreakpointLocationList::AddLocation (const Address &addr, bool *new_location)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
|
|
if (new_location)
|
|
*new_location = false;
|
|
BreakpointLocationSP bp_loc_sp (FindByAddress(addr));
|
|
if (!bp_loc_sp)
|
|
{
|
|
bp_loc_sp = Create (addr);
|
|
if (bp_loc_sp)
|
|
{
|
|
bp_loc_sp->ResolveBreakpointSite();
|
|
|
|
if (new_location)
|
|
*new_location = true;
|
|
if(m_new_location_recorder)
|
|
{
|
|
m_new_location_recorder->Add(bp_loc_sp);
|
|
}
|
|
}
|
|
}
|
|
return bp_loc_sp;
|
|
}
|
|
|
|
bool
|
|
BreakpointLocationList::RemoveLocation (const lldb::BreakpointLocationSP &bp_loc_sp)
|
|
{
|
|
if (bp_loc_sp)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
|
|
m_address_to_location.erase (bp_loc_sp->GetAddress());
|
|
|
|
collection::iterator pos, end = m_locations.end();
|
|
for (pos = m_locations.begin(); pos != end; ++pos)
|
|
{
|
|
if ((*pos).get() == bp_loc_sp.get())
|
|
{
|
|
m_locations.erase (pos);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
void
|
|
BreakpointLocationList::StartRecordingNewLocations (BreakpointLocationCollection &new_locations)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
assert (m_new_location_recorder == NULL);
|
|
m_new_location_recorder = &new_locations;
|
|
}
|
|
|
|
void
|
|
BreakpointLocationList::StopRecordingNewLocations ()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
m_new_location_recorder = NULL;
|
|
}
|
|
|