1/*
2 * Copyright (c) 2002-2005 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 */
30
31#ifndef __ARCH_ALPHA_REMOTE_GDB_HH__
32#define __ARCH_ALPHA_REMOTE_GDB_HH__
33
34#include <map>
35
36#include "arch/alpha/types.hh"
37#include "arch/alpha/kgdb.h"
38#include "base/remote_gdb.hh"
39#include "cpu/pc_event.hh"
40#include "base/pollevent.hh"
41#include "base/socket.hh"
42
43class System;
44class ThreadContext;
45class PhysicalMemory;
46
47namespace AlphaISA
48{
49 class RemoteGDB : public BaseRemoteGDB
50 {
| 1/*
2 * Copyright (c) 2002-2005 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 */
30
31#ifndef __ARCH_ALPHA_REMOTE_GDB_HH__
32#define __ARCH_ALPHA_REMOTE_GDB_HH__
33
34#include <map>
35
36#include "arch/alpha/types.hh"
37#include "arch/alpha/kgdb.h"
38#include "base/remote_gdb.hh"
39#include "cpu/pc_event.hh"
40#include "base/pollevent.hh"
41#include "base/socket.hh"
42
43class System;
44class ThreadContext;
45class PhysicalMemory;
46
47namespace AlphaISA
48{
49 class RemoteGDB : public BaseRemoteGDB
50 {
|
51 private:
52 friend void debugger();
53 friend class GDBListener;
54
| |
55 protected:
| 51 protected:
|
56 class Event : public PollEvent
57 {
58 protected:
59 RemoteGDB *gdb;
60
61 public:
62 Event(RemoteGDB *g, int fd, int e);
63 void process(int revent);
64 };
65
66 friend class Event;
67 Event *event;
68
69 protected:
| |
70 // Machine memory
71 bool write(Addr addr, size_t size, const char *data);
72
73 public:
74 RemoteGDB(System *system, ThreadContext *context);
| 52 // Machine memory
53 bool write(Addr addr, size_t size, const char *data);
54
55 public:
56 RemoteGDB(System *system, ThreadContext *context);
|
75 ~RemoteGDB();
| |
76
77 bool acc(Addr addr, size_t len);
78
79 protected:
80 void getregs();
81 void setregs();
82
83 void clearSingleStep();
84 void setSingleStep();
85
| 57
58 bool acc(Addr addr, size_t len);
59
60 protected:
61 void getregs();
62 void setregs();
63
64 void clearSingleStep();
65 void setSingleStep();
66
|
86 PCEventQueue *getPcEventQueue();
87
| |
88 protected:
| 67 protected:
|
89 class HardBreakpoint : public PCEvent
90 {
91 private:
92 RemoteGDB *gdb;
| |
93
| 68
|
94 public:
95 int refcount;
96
97 public:
98 HardBreakpoint(RemoteGDB *_gdb, Addr addr);
99 std::string name() { return gdb->name() + ".hwbkpt"; }
100
101 virtual void process(ThreadContext *tc);
102 };
103 friend class HardBreakpoint;
104
105 typedef std::map<Addr, HardBreakpoint *> break_map_t;
106 typedef break_map_t::iterator break_iter_t;
107 break_map_t hardBreakMap;
108
109 bool insertSoftBreak(Addr addr, size_t len);
110 bool removeSoftBreak(Addr addr, size_t len);
111 bool insertHardBreak(Addr addr, size_t len);
112 bool removeHardBreak(Addr addr, size_t len);
113
114 protected:
115 struct TempBreakpoint {
116 Addr address; // set here
117 MachInst bkpt_inst; // saved instruction at bkpt
118 int init_count; // number of times to skip bkpt
119 int count; // current count
120 };
121
122 TempBreakpoint notTakenBkpt;
123 TempBreakpoint takenBkpt;
124
125 void clearTempBreakpoint(TempBreakpoint &bkpt);
126 void setTempBreakpoint(TempBreakpoint &bkpt, Addr addr);
| 69 Addr notTakenBkpt;
70 Addr takenBkpt;
|
127 };
128}
129
130#endif /* __ARCH_ALPHA_REMOTE_GDB_H__ */
| 71 };
72}
73
74#endif /* __ARCH_ALPHA_REMOTE_GDB_H__ */
|