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//===-- BreakpointSiteList.h ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_BreakpointSiteList_h_
#define liblldb_BreakpointSiteList_h_
// C Includes
// C++ Includes
#include <map>
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/BreakpointSite.h"
#include "lldb/Host/Mutex.h"
namespace lldb_private {
//----------------------------------------------------------------------
/// @class BreakpointSiteList BreakpointSiteList.h "lldb/Breakpoint/BreakpointSiteList.h"
/// @brief Class that manages lists of BreakpointSite shared pointers.
//----------------------------------------------------------------------
class BreakpointSiteList
{
// At present Process directly accesses the map of BreakpointSites so it can
// do quick lookups into the map (using GetMap).
// FIXME: Find a better interface for this.
friend class Process;
public:
//------------------------------------------------------------------
/// Default constructor makes an empty list.
//------------------------------------------------------------------
BreakpointSiteList();
//------------------------------------------------------------------
/// Destructor, currently does nothing.
//------------------------------------------------------------------
~BreakpointSiteList();
//------------------------------------------------------------------
/// Add a BreakpointSite to the list.
///
/// @param[in] bp_site_sp
/// A shared pointer to a breakpoint site being added to the list.
///
/// @return
/// The ID of the BreakpointSite in the list.
//------------------------------------------------------------------
lldb::break_id_t
Add (const lldb::BreakpointSiteSP& bp_site_sp);
//------------------------------------------------------------------
/// Standard Dump routine, doesn't do anything at present.
/// @param[in] s
/// Stream into which to dump the description.
//------------------------------------------------------------------
void
Dump (Stream *s) const;
//------------------------------------------------------------------
/// Returns a shared pointer to the breakpoint site at address
/// \a addr.
///
/// @param[in] addr
/// The address to look for.
///
/// @result
/// A shared pointer to the breakpoint site. May contain a NULL
/// pointer if no breakpoint site exists with a matching address.
//------------------------------------------------------------------
lldb::BreakpointSiteSP
FindByAddress (lldb::addr_t addr);
//------------------------------------------------------------------
/// Returns a shared pointer to the breakpoint site with id \a breakID.
///
/// @param[in] breakID
/// The breakpoint site ID to seek for.
///
/// @result
/// A shared pointer to the breakpoint site. May contain a NULL pointer if the
/// breakpoint doesn't exist.
//------------------------------------------------------------------
lldb::BreakpointSiteSP
FindByID (lldb::break_id_t breakID);
//------------------------------------------------------------------
/// Returns a shared pointer to the breakpoint site with id \a breakID - const version.
///
/// @param[in] breakID
/// The breakpoint site ID to seek for.
///
/// @result
/// A shared pointer to the breakpoint site. May contain a NULL pointer if the
/// breakpoint doesn't exist.
//------------------------------------------------------------------
const lldb::BreakpointSiteSP
FindByID (lldb::break_id_t breakID) const;
//------------------------------------------------------------------
/// Returns the breakpoint site id to the breakpoint site at address \a addr.
///
/// @param[in] addr
/// The address to match.
///
/// @result
/// The ID of the breakpoint site, or LLDB_INVALID_BREAK_ID.
//------------------------------------------------------------------
lldb::break_id_t
FindIDByAddress (lldb::addr_t addr);
//------------------------------------------------------------------
/// Returns whether the breakpoint site \a bp_site_id has \a bp_id
// as one of its owners.
///
/// @param[in] bp_site_id
/// The breakpoint site id to query.
///
/// @param[in] bp_id
/// The breakpoint id to look for in \a bp_site_id.
///
/// @result
/// True if \a bp_site_id exists in the site list AND \a bp_id is one of the
/// owners of that site.
//------------------------------------------------------------------
bool
BreakpointSiteContainsBreakpoint (lldb::break_id_t bp_site_id, lldb::break_id_t bp_id);
void
ForEach (std::function <void(BreakpointSite *)> const &callback);
//------------------------------------------------------------------
/// Removes the breakpoint site given by \b breakID from this list.
///
/// @param[in] breakID
/// The breakpoint site index to remove.
///
/// @result
/// \b true if the breakpoint site \a breakID was in the list.
//------------------------------------------------------------------
bool
Remove (lldb::break_id_t breakID);
//------------------------------------------------------------------
/// Removes the breakpoint site at address \a addr from this list.
///
/// @param[in] addr
/// The address from which to remove a breakpoint site.
///
/// @result
/// \b true if \a addr had a breakpoint site to remove from the list.
//------------------------------------------------------------------
bool
RemoveByAddress (lldb::addr_t addr);
bool
FindInRange (lldb::addr_t lower_bound, lldb::addr_t upper_bound, BreakpointSiteList &bp_site_list) const;
typedef void (*BreakpointSiteSPMapFunc) (lldb::BreakpointSiteSP &bp, void *baton);
//------------------------------------------------------------------
/// Enquires of the breakpoint site on in this list with ID \a breakID whether
/// we should stop for the breakpoint or not.
///
/// @param[in] context
/// This contains the information about this stop.
///
/// @param[in] breakID
/// This break ID that we hit.
///
/// @return
/// \b true if we should stop, \b false otherwise.
//------------------------------------------------------------------
bool
ShouldStop (StoppointCallbackContext *context, lldb::break_id_t breakID);
//------------------------------------------------------------------
/// Returns the number of elements in the list.
///
/// @result
/// The number of elements.
//------------------------------------------------------------------
size_t
GetSize() const
{
Mutex::Locker locker(m_mutex);
return m_bp_site_list.size();
}
bool
IsEmpty() const
{
Mutex::Locker locker(m_mutex);
return m_bp_site_list.empty();
}
protected:
typedef std::map<lldb::addr_t, lldb::BreakpointSiteSP> collection;
collection::iterator
GetIDIterator(lldb::break_id_t breakID);
collection::const_iterator
GetIDConstIterator(lldb::break_id_t breakID) const;
mutable Mutex m_mutex;
collection m_bp_site_list; // The breakpoint site list.
};
} // namespace lldb_private
#endif // liblldb_BreakpointSiteList_h_
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