2 * Copyright (c) 2003-2005 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"
47 kill(getpid(), SIGTRAP
);
49 cprintf("debug_break suppressed, compiled with NDEBUG\n");
54 // Debug event: place a breakpoint on the process function and
55 // schedule the event to break at a particular cycle
57 class DebugBreakEvent
: public Event
61 DebugBreakEvent(EventQueue
*q
, Tick _when
);
63 void process(); // process event
64 virtual const char *description();
68 // constructor: schedule at specified time
70 DebugBreakEvent::DebugBreakEvent(EventQueue
*q
, Tick _when
)
71 : Event(q
, Debug_Break_Pri
)
78 // handle debug event: set debugger breakpoint on this function
81 DebugBreakEvent::process()
88 DebugBreakEvent::description()
94 // Parameter context for global debug options
96 class DebugContext
: public ParamContext
99 DebugContext(const string
&_iniSection
)
100 : ParamContext(_iniSection
) {}
104 DebugContext
debugParams("debug");
106 VectorParam
<Tick
> break_cycles(&debugParams
, "break_cycles",
107 "cycle(s) to create breakpoint events");
110 DebugContext::checkParams()
112 if (break_cycles
.isValid()) {
113 vector
<Tick
> &cycles
= break_cycles
;
115 vector
<Tick
>::iterator i
= cycles
.begin();
116 vector
<Tick
>::iterator end
= cycles
.end();
119 new DebugBreakEvent(&mainEventQueue
, *i
);
124 // handy function to schedule DebugBreakEvent on main event queue
125 // (callable from debugger)
127 extern "C" void sched_break_cycle(Tick when
)
129 new DebugBreakEvent(&mainEventQueue
, when
);
132 extern "C" void eventq_dump()
134 mainEventQueue
.dump();