debug.cc revision 10453:d0365cc3d05f
1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 * Steve Reinhardt 30 */ 31 32#include <string> 33#include <vector> 34 35#include "base/debug.hh" 36#include "sim/debug.hh" 37#include "sim/eventq_impl.hh" 38#include "sim/global_event.hh" 39#include "sim/sim_events.hh" 40#include "sim/sim_exit.hh" 41 42using namespace std; 43 44// 45// Debug event: place a breakpoint on the process function and 46// schedule the event to break at a particular cycle 47// 48struct DebugBreakEvent : public GlobalEvent 49{ 50 DebugBreakEvent(Tick when); 51 void process(); // process event 52 virtual const char *description() const; 53}; 54 55// 56// constructor: schedule at specified time 57// 58DebugBreakEvent::DebugBreakEvent(Tick when) 59 : GlobalEvent(when, Debug_Break_Pri, AutoDelete) 60{ 61} 62 63// 64// handle debug event: set debugger breakpoint on this function 65// 66void 67DebugBreakEvent::process() 68{ 69 Debug::breakpoint(); 70} 71 72 73const char * 74DebugBreakEvent::description() const 75{ 76 return "debug breakpoint"; 77} 78 79// 80// handy function to schedule DebugBreakEvent on main event queue 81// (callable from debugger) 82// 83void 84schedBreak(Tick when) 85{ 86 new DebugBreakEvent(when); 87 warn("need to stop all queues"); 88} 89 90/// 91/// Function to cause the simulator to take a checkpoint from the debugger 92/// 93void 94takeCheckpoint(Tick when) 95{ 96 if (!when) 97 when = curTick() + 1; 98 exitSimLoop("checkpoint", 0, when, 0); 99} 100 101void 102eventqDump() 103{ 104 for (uint32_t i = 0; i < numMainEventQueues; ++i) { 105 mainEventQueue[i]->dump(); 106 } 107} 108 109int remote_gdb_base_port = 7000; 110 111int 112getRemoteGDBPort() 113{ 114 return remote_gdb_base_port; 115} 116 117// Set remote GDB base port. 0 means disable remote GDB. 118// Callable from python. 119void 120setRemoteGDBPort(int port) 121{ 122 remote_gdb_base_port = port; 123} 124 125