remote_gdb.hh revision 10595:25ecfc14f73f 
1/*
2 * Copyright 2014 Google, Inc.
3 * Copyright (c) 2007 The Regents of The University of Michigan
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Nathan Binkert
30 */
31
32#ifndef __ARCH_MIPS_REMOTE_GDB_HH__
33#define __ARCH_MIPS_REMOTE_GDB_HH__
34
35#include "arch/mips/registers.hh"
36#include "base/bitfield.hh"
37#include "base/remote_gdb.hh"
38
39class System;
40class ThreadContext;
41
42namespace MipsISA
43{
44
45    // The number of special regs depends on gdb.
46    const int GdbIntArchRegs = NumIntArchRegs;
47    const int GdbIntSpecialRegs = 6;
48    const int GdbFloatArchRegs = NumFloatArchRegs;
49    const int GdbFloatSpecialRegs = 2;
50
51    const int GdbIntRegs = GdbIntArchRegs + GdbIntSpecialRegs;
52    const int GdbFloatRegs = GdbFloatArchRegs + GdbFloatSpecialRegs;
53    const int GdbNumRegs = GdbIntRegs + GdbFloatRegs;
54
55    class RemoteGDB : public BaseRemoteGDB
56    {
57      protected:
58        Addr notTakenBkpt;
59        Addr takenBkpt;
60
61      public:
62        RemoteGDB(System *_system, ThreadContext *tc);
63
64      protected:
65        bool acc(Addr addr, size_t len);
66
67        void getregs();
68        void setregs();
69
70        void clearSingleStep();
71        void setSingleStep();
72    };
73}
74
75#endif /* __ARCH_MIPS_REMOTE_GDB_H__ */
76