debug.cc revision 8231 
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 <Python.h>
33
34#include <string>
35#include <vector>
36
37#include "base/debug.hh"
38#include "sim/debug.hh"
39#include "sim/eventq.hh"
40#include "sim/sim_events.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 Event
49{
50    DebugBreakEvent();
51    void process();     // process event
52    virtual const char *description() const;
53};
54
55//
56// constructor: schedule at specified time
57//
58DebugBreakEvent::DebugBreakEvent()
59    : Event(Debug_Break_Pri)
60{
61    setFlags(AutoDelete);
62}
63
64//
65// handle debug event: set debugger breakpoint on this function
66//
67void
68DebugBreakEvent::process()
69{
70    Debug::breakpoint();
71}
72
73
74const char *
75DebugBreakEvent::description() const
76{
77    return "debug breakpoint";
78}
79
80//
81// handy function to schedule DebugBreakEvent on main event queue
82// (callable from debugger)
83//
84void
85schedBreakCycle(Tick when)
86{
87    mainEventQueue.schedule(new DebugBreakEvent, when);
88    warn("need to stop all queues");
89}
90
91void
92eventqDump()
93{
94    mainEventQueue.dump();
95    warn("need to dump all queues");
96}
97
98void
99py_interact()
100{
101    PyObject *globals;
102    PyObject *locals;
103
104    globals = PyEval_GetGlobals();
105    Py_INCREF(globals);
106    locals = PyDict_New();
107    PyRun_String("import code", Py_file_input, globals, locals);
108    PyRun_String("code.interact(local=globals())", Py_file_input,
109                 globals, locals);
110    Py_DECREF(globals);
111    Py_DECREF(locals);
112}
113
114int remote_gdb_base_port = 7000;
115
116int
117getRemoteGDBPort()
118{
119    return remote_gdb_base_port;
120}
121
122// Set remote GDB base port.  0 means disable remote GDB.
123// Callable from python.
124void
125setRemoteGDBPort(int port)
126{
127    remote_gdb_base_port = port;
128}
129
130