remote_gdb.hh revision 12109:f29e9c5418aa 
1/*
2 * Copyright 2015 LabWare
3 * Copyright 2014 Google, Inc.
4 * Copyright (c) 2013, 2016 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 "arch/generic/vec_reg.hh"
55#include "base/remote_gdb.hh"
56
57class System;
58class ThreadContext;
59
60namespace ArmISA
61{
62
63class RemoteGDB : public BaseRemoteGDB
64{
65  protected:
66    bool acc(Addr addr, size_t len);
67
68    class AArch32GdbRegCache : public BaseGdbRegCache
69    {
70      using BaseGdbRegCache::BaseGdbRegCache;
71      private:
72        struct {
73          uint32_t gpr[16];
74          uint32_t fpr[8*3];
75          uint32_t fpscr;
76          uint32_t cpsr;
77        } r;
78      public:
79        char *data() const { return (char *)&r; }
80        size_t size() const { return sizeof(r); }
81        void getRegs(ThreadContext*);
82        void setRegs(ThreadContext*) const;
83        const std::string
84        name() const
85        {
86            return gdb->name() + ".AArch32GdbRegCache";
87        }
88    };
89
90    class AArch64GdbRegCache : public BaseGdbRegCache
91    {
92      using BaseGdbRegCache::BaseGdbRegCache;
93      private:
94        struct {
95          uint64_t x[31];
96          uint64_t spx;
97          uint64_t pc;
98          uint64_t cpsr;
99          uint32_t v[32*4];
100          ArmISA::VecRegContainer vec[32];
101        } r;
102      public:
103        char *data() const { return (char *)&r; }
104        size_t size() const { return sizeof(r); }
105        void getRegs(ThreadContext*);
106        void setRegs(ThreadContext*) const;
107        const std::string
108        name() const
109        {
110            return gdb->name() + ".AArch64GdbRegCache";
111        }
112    };
113
114    AArch32GdbRegCache regCache32;
115    AArch64GdbRegCache regCache64;
116
117  public:
118    RemoteGDB(System *_system, ThreadContext *tc);
119    BaseGdbRegCache *gdbRegs();
120};
121} // namespace ArmISA
122
123#endif /* __ARCH_ARM_REMOTE_GDB_H__ */
124