2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
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.
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.
28 * Authors: Nathan Binkert
32 #include <sys/types.h>
39 #include "sim/debug.hh"
40 #include "sim/eventq.hh"
41 #include "sim/param.hh"
42 #include "sim/sim_events.hh"
50 kill(getpid(), SIGTRAP
);
52 cprintf("debug_break suppressed, compiled with NDEBUG\n");
57 // Debug event: place a breakpoint on the process function and
58 // schedule the event to break at a particular cycle
60 class DebugBreakEvent
: public Event
64 DebugBreakEvent(EventQueue
*q
, Tick _when
);
66 void process(); // process event
67 virtual const char *description();
71 // constructor: schedule at specified time
73 DebugBreakEvent::DebugBreakEvent(EventQueue
*q
, Tick _when
)
74 : Event(q
, Debug_Break_Pri
)
81 // handle debug event: set debugger breakpoint on this function
84 DebugBreakEvent::process()
91 DebugBreakEvent::description()
97 // handy function to schedule DebugBreakEvent on main event queue
98 // (callable from debugger)
101 schedBreakCycle(Tick when
)
103 new DebugBreakEvent(&mainEventQueue
, when
);
109 mainEventQueue
.dump();