remote_gdb.hh revision 12031 
1/*
2 * Copyright 2015 LabWare
3 * Copyright 2014 Google, Inc.
4 * Copyright (c) 2013 ARM Limited
5 * All rights reserved
6 *
7 * The license below extends only to copyright in the software and shall
8 * not be construed as granting a license to any other intellectual
9 * property including but not limited to intellectual property relating
10 * to a hardware implementation of the functionality of the software
11 * licensed hereunder.  You may use the software subject to the license
12 * terms below provided that you ensure that this notice is replicated
13 * unmodified and in its entirety in all distributions of the software,
14 * modified or unmodified, in source code or in binary form.
15 *
16 * Copyright (c) 2002-2005 The Regents of The University of Michigan
17 * Copyright (c) 2007-2008 The Florida State University
18 * All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are
22 * met: redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer;
24 * redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution;
27 * neither the name of the copyright holders nor the names of its
28 * contributors may be used to endorse or promote products derived from
29 * this software without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
37 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
41 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *
43 * Authors: Nathan Binkert
44 *          Stephen Hines
45 *          Boris Shingarov
46 */
47
48#ifndef __ARCH_ARM_REMOTE_GDB_HH__
49#define __ARCH_ARM_REMOTE_GDB_HH__
50
51#include <algorithm>
52
53#include "arch/arm/utility.hh"
54#include "base/remote_gdb.hh"
55
56class System;
57class ThreadContext;
58
59namespace ArmISA
60{
61
62class RemoteGDB : public BaseRemoteGDB
63{
64  protected:
65    bool acc(Addr addr, size_t len);
66
67    class AArch32GdbRegCache : public BaseGdbRegCache
68    {
69      using BaseGdbRegCache::BaseGdbRegCache;
70      private:
71        struct {
72          uint32_t gpr[16];
73          uint32_t fpr[8*3];
74          uint32_t fpscr;
75          uint32_t cpsr;
76        } r;
77      public:
78        char *data() const { return (char *)&r; }
79        size_t size() const { return sizeof(r); }
80        void getRegs(ThreadContext*);
81        void setRegs(ThreadContext*) const;
82        const std::string
83        name() const
84        {
85            return gdb->name() + ".AArch32GdbRegCache";
86        }
87    };
88
89    class AArch64GdbRegCache : public BaseGdbRegCache
90    {
91      using BaseGdbRegCache::BaseGdbRegCache;
92      private:
93        struct {
94          uint64_t x[31];
95          uint64_t spx;
96          uint64_t pc;
97          uint64_t cpsr;
98          uint32_t v[32*4];
99        } r;
100      public:
101        char *data() const { return (char *)&r; }
102        size_t size() const { return sizeof(r); }
103        void getRegs(ThreadContext*);
104        void setRegs(ThreadContext*) const;
105        const std::string
106        name() const
107        {
108            return gdb->name() + ".AArch64GdbRegCache";
109        }
110    };
111
112    AArch32GdbRegCache regCache32;
113    AArch64GdbRegCache regCache64;
114
115  public:
116    RemoteGDB(System *_system, ThreadContext *tc);
117    BaseGdbRegCache *gdbRegs();
118};
119} // namespace ArmISA
120
121#endif /* __ARCH_ARM_REMOTE_GDB_H__ */
122