debug.cc revision 8581
12SN/A/* 21762SN/A * Copyright (c) 2003-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292665Ssaidi@eecs.umich.edu * Steve Reinhardt 302SN/A */ 312SN/A 325619Snate@binkert.org#include <Python.h> 332SN/A 342SN/A#include <string> 352SN/A#include <vector> 362SN/A 375882Snate@binkert.org#include "base/debug.hh" 3856SN/A#include "sim/debug.hh" 3956SN/A#include "sim/eventq.hh" 4056SN/A#include "sim/sim_events.hh" 418278SAli.Saidi@ARM.com#include "sim/sim_exit.hh" 422SN/A 432SN/Ausing namespace std; 442SN/A 452SN/A// 462SN/A// Debug event: place a breakpoint on the process function and 472SN/A// schedule the event to break at a particular cycle 482SN/A// 495606Snate@binkert.orgstruct DebugBreakEvent : public Event 502SN/A{ 515606Snate@binkert.org DebugBreakEvent(); 525543Ssaidi@eecs.umich.edu void process(); // process event 535336Shines@cs.fsu.edu virtual const char *description() const; 542SN/A}; 552SN/A 562SN/A// 572SN/A// constructor: schedule at specified time 582SN/A// 595606Snate@binkert.orgDebugBreakEvent::DebugBreakEvent() 608581Ssteve.reinhardt@amd.com : Event(Debug_Break_Pri, AutoDelete) 612SN/A{ 622SN/A} 632SN/A 642SN/A// 652SN/A// handle debug event: set debugger breakpoint on this function 662SN/A// 672SN/Avoid 682SN/ADebugBreakEvent::process() 692SN/A{ 708231Snate@binkert.org Debug::breakpoint(); 712SN/A} 722SN/A 732SN/A 742SN/Aconst char * 755336Shines@cs.fsu.eduDebugBreakEvent::description() const 762SN/A{ 778231Snate@binkert.org return "debug breakpoint"; 782SN/A} 792SN/A 802SN/A// 812SN/A// handy function to schedule DebugBreakEvent on main event queue 822SN/A// (callable from debugger) 832SN/A// 843645Sbinkertn@umich.eduvoid 853645Sbinkertn@umich.eduschedBreakCycle(Tick when) 862SN/A{ 875606Snate@binkert.org mainEventQueue.schedule(new DebugBreakEvent, when); 885606Snate@binkert.org warn("need to stop all queues"); 892SN/A} 902SN/A 918278SAli.Saidi@ARM.com/// 928278SAli.Saidi@ARM.com/// Function to cause the simulator to take a checkpoint from the debugger 938278SAli.Saidi@ARM.com/// 948278SAli.Saidi@ARM.comvoid 958278SAli.Saidi@ARM.comtakeCheckpoint(Tick when) 968278SAli.Saidi@ARM.com{ 978278SAli.Saidi@ARM.com if (!when) 988278SAli.Saidi@ARM.com when = curTick() + 1; 998278SAli.Saidi@ARM.com exitSimLoop("checkpoint", 0, when, 0); 1008278SAli.Saidi@ARM.com} 1018278SAli.Saidi@ARM.com 1023645Sbinkertn@umich.eduvoid 1033645Sbinkertn@umich.edueventqDump() 1042SN/A{ 1052SN/A mainEventQueue.dump(); 1065606Snate@binkert.org warn("need to dump all queues"); 1072SN/A} 1082SN/A 1095619Snate@binkert.orgvoid 1105619Snate@binkert.orgpy_interact() 1115619Snate@binkert.org{ 1125619Snate@binkert.org PyObject *globals; 1135619Snate@binkert.org PyObject *locals; 1145619Snate@binkert.org 1155619Snate@binkert.org globals = PyEval_GetGlobals(); 1165619Snate@binkert.org Py_INCREF(globals); 1175619Snate@binkert.org locals = PyDict_New(); 1185619Snate@binkert.org PyRun_String("import code", Py_file_input, globals, locals); 1195619Snate@binkert.org PyRun_String("code.interact(local=globals())", Py_file_input, 1205619Snate@binkert.org globals, locals); 1215619Snate@binkert.org Py_DECREF(globals); 1225619Snate@binkert.org Py_DECREF(locals); 1235619Snate@binkert.org} 1245512SMichael.Adler@intel.com 1255512SMichael.Adler@intel.comint remote_gdb_base_port = 7000; 1265512SMichael.Adler@intel.com 1275512SMichael.Adler@intel.comint 1285512SMichael.Adler@intel.comgetRemoteGDBPort() 1295512SMichael.Adler@intel.com{ 1305512SMichael.Adler@intel.com return remote_gdb_base_port; 1315512SMichael.Adler@intel.com} 1325512SMichael.Adler@intel.com 1335512SMichael.Adler@intel.com// Set remote GDB base port. 0 means disable remote GDB. 1345512SMichael.Adler@intel.com// Callable from python. 1355512SMichael.Adler@intel.comvoid 1365512SMichael.Adler@intel.comsetRemoteGDBPort(int port) 1375512SMichael.Adler@intel.com{ 1385512SMichael.Adler@intel.com remote_gdb_base_port = port; 1395512SMichael.Adler@intel.com} 1405512SMichael.Adler@intel.com 141