2 * Copyright (c) 2003 The Regents of The University of Michigan
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29 #include <sys/types.h>
36 #include "sim/debug.hh"
37 #include "sim/eventq.hh"
38 #include "sim/param.hh"
39 #include "sim/sim_events.hh"
46 kill(getpid(), SIGTRAP
);
50 // Debug event: place a breakpoint on the process function and
51 // schedule the event to break at a particular cycle
53 class DebugBreakEvent
: public Event
57 DebugBreakEvent(EventQueue
*q
, Tick _when
);
59 void process(); // process event
60 virtual const char *description();
64 // constructor: schedule at specified time
66 DebugBreakEvent::DebugBreakEvent(EventQueue
*q
, Tick _when
)
69 schedule(_when
, -20000);
73 // handle debug event: set debugger breakpoint on this function
76 DebugBreakEvent::process()
84 DebugBreakEvent::description()
90 // Parameter context for global debug options
92 class DebugContext
: public ParamContext
95 DebugContext(const string
&_iniSection
)
96 : ParamContext(_iniSection
) {}
100 DebugContext
debugParams("debug");
102 VectorParam
<Tick
> break_cycles(&debugParams
, "break_cycles",
103 "cycle(s) to create breakpoint events");
106 DebugContext::checkParams()
108 if (break_cycles
.isValid()) {
109 vector
<Tick
> &cycles
= break_cycles
;
111 vector
<Tick
>::iterator i
= cycles
.begin();
112 vector
<Tick
>::iterator end
= cycles
.end();
115 new DebugBreakEvent(&mainEventQueue
, *i
);
120 // handy function to schedule DebugBreakEvent on main event queue
121 // (callable from debugger)
123 extern "C" void sched_break_cycle(Tick when
)
125 new DebugBreakEvent(&mainEventQueue
, when
);
128 extern "C" void eventq_dump()
130 mainEventQueue
.dump();