debug.cc revision 5512
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 322SN/A#include <sys/types.h> 332SN/A#include <signal.h> 342SN/A#include <unistd.h> 352SN/A 362SN/A#include <string> 372SN/A#include <vector> 382SN/A 3956SN/A#include "sim/debug.hh" 4056SN/A#include "sim/eventq.hh" 4156SN/A#include "sim/sim_events.hh" 422SN/A 432SN/Ausing namespace std; 442SN/A 452SN/Avoid 462SN/Adebug_break() 472SN/A{ 481252SN/A#ifndef NDEBUG 492SN/A kill(getpid(), SIGTRAP); 501252SN/A#else 511252SN/A cprintf("debug_break suppressed, compiled with NDEBUG\n"); 521252SN/A#endif 532SN/A} 542SN/A 552SN/A// 562SN/A// Debug event: place a breakpoint on the process function and 572SN/A// schedule the event to break at a particular cycle 582SN/A// 592SN/Aclass DebugBreakEvent : public Event 602SN/A{ 612SN/A public: 622SN/A 632SN/A DebugBreakEvent(EventQueue *q, Tick _when); 642SN/A 652SN/A void process(); // process event 665336Shines@cs.fsu.edu virtual const char *description() const; 672SN/A}; 682SN/A 692SN/A// 702SN/A// constructor: schedule at specified time 712SN/A// 722SN/ADebugBreakEvent::DebugBreakEvent(EventQueue *q, Tick _when) 73396SN/A : Event(q, Debug_Break_Pri) 742SN/A{ 75381SN/A setFlags(AutoDelete); 76396SN/A schedule(_when); 772SN/A} 782SN/A 792SN/A// 802SN/A// handle debug event: set debugger breakpoint on this function 812SN/A// 822SN/Avoid 832SN/ADebugBreakEvent::process() 842SN/A{ 852SN/A debug_break(); 862SN/A} 872SN/A 882SN/A 892SN/Aconst char * 905336Shines@cs.fsu.eduDebugBreakEvent::description() const 912SN/A{ 922SN/A return "debug break"; 932SN/A} 942SN/A 952SN/A// 962SN/A// handy function to schedule DebugBreakEvent on main event queue 972SN/A// (callable from debugger) 982SN/A// 993645Sbinkertn@umich.eduvoid 1003645Sbinkertn@umich.eduschedBreakCycle(Tick when) 1012SN/A{ 1022SN/A new DebugBreakEvent(&mainEventQueue, when); 1032SN/A} 1042SN/A 1053645Sbinkertn@umich.eduvoid 1063645Sbinkertn@umich.edueventqDump() 1072SN/A{ 1082SN/A mainEventQueue.dump(); 1092SN/A} 1102SN/A 1115512SMichael.Adler@intel.com 1125512SMichael.Adler@intel.comint remote_gdb_base_port = 7000; 1135512SMichael.Adler@intel.com 1145512SMichael.Adler@intel.comint 1155512SMichael.Adler@intel.comgetRemoteGDBPort() 1165512SMichael.Adler@intel.com{ 1175512SMichael.Adler@intel.com return remote_gdb_base_port; 1185512SMichael.Adler@intel.com} 1195512SMichael.Adler@intel.com 1205512SMichael.Adler@intel.com// Set remote GDB base port. 0 means disable remote GDB. 1215512SMichael.Adler@intel.com// Callable from python. 1225512SMichael.Adler@intel.comvoid 1235512SMichael.Adler@intel.comsetRemoteGDBPort(int port) 1245512SMichael.Adler@intel.com{ 1255512SMichael.Adler@intel.com remote_gdb_base_port = port; 1265512SMichael.Adler@intel.com} 1275512SMichael.Adler@intel.com 128