gem5/src/sim/debug.cc

141 lines
3.5 KiB
C++

/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include <Python.h>
#include <string>
#include <vector>
#include "base/debug.hh"
#include "sim/debug.hh"
#include "sim/eventq.hh"
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
using namespace std;
//
// Debug event: place a breakpoint on the process function and
// schedule the event to break at a particular cycle
//
struct DebugBreakEvent : public Event
{
DebugBreakEvent();
void process(); // process event
virtual const char *description() const;
};
//
// constructor: schedule at specified time
//
DebugBreakEvent::DebugBreakEvent()
: Event(Debug_Break_Pri)
{
setFlags(AutoDelete);
}
//
// handle debug event: set debugger breakpoint on this function
//
void
DebugBreakEvent::process()
{
Debug::breakpoint();
}
const char *
DebugBreakEvent::description() const
{
return "debug breakpoint";
}
//
// handy function to schedule DebugBreakEvent on main event queue
// (callable from debugger)
//
void
schedBreakCycle(Tick when)
{
mainEventQueue.schedule(new DebugBreakEvent, when);
warn("need to stop all queues");
}
///
/// Function to cause the simulator to take a checkpoint from the debugger
///
void
takeCheckpoint(Tick when)
{
if (!when)
when = curTick() + 1;
exitSimLoop("checkpoint", 0, when, 0);
}
void
eventqDump()
{
mainEventQueue.dump();
warn("need to dump all queues");
}
void
py_interact()
{
PyObject *globals;
PyObject *locals;
globals = PyEval_GetGlobals();
Py_INCREF(globals);
locals = PyDict_New();
PyRun_String("import code", Py_file_input, globals, locals);
PyRun_String("code.interact(local=globals())", Py_file_input,
globals, locals);
Py_DECREF(globals);
Py_DECREF(locals);
}
int remote_gdb_base_port = 7000;
int
getRemoteGDBPort()
{
return remote_gdb_base_port;
}
// Set remote GDB base port. 0 means disable remote GDB.
// Callable from python.
void
setRemoteGDBPort(int port)
{
remote_gdb_base_port = port;
}