remote_gdb.hh revision 10601:6efb37480d87 
1/*
2 * Copyright 2014 Google, Inc.
3 * Copyright (c) 2013 ARM Limited
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating
9 * to a hardware implementation of the functionality of the software
10 * licensed hereunder.  You may use the software subject to the license
11 * terms below provided that you ensure that this notice is replicated
12 * unmodified and in its entirety in all distributions of the software,
13 * modified or unmodified, in source code or in binary form.
14 *
15 * Copyright (c) 2002-2005 The Regents of The University of Michigan
16 * Copyright (c) 2007-2008 The Florida State University
17 * All rights reserved.
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions are
21 * met: redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer;
23 * redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution;
26 * neither the name of the copyright holders nor the names of its
27 * contributors may be used to endorse or promote products derived from
28 * this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
34 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
36 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
37 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
38 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
40 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 *
42 * Authors: Nathan Binkert
43 *          Stephen Hines
44 */
45
46#ifndef __ARCH_ARM_REMOTE_GDB_HH__
47#define __ARCH_ARM_REMOTE_GDB_HH__
48
49#include <algorithm>
50
51#include "base/remote_gdb.hh"
52
53class System;
54class ThreadContext;
55
56namespace ArmISA
57{
58
59// AArch32 registers with vfpv3/neon
60enum {
61    GDB32_R0 = 0,
62    GDB32_CPSR = 16,
63    GDB32_F0 = 17,
64    GDB32_FPSCR = 81,
65    GDB32_NUMREGS = 82
66};
67
68// AArch64 registers
69enum {
70    GDB64_X0 = 0,
71    GDB64_PC = 32,
72    GDB64_CPSR = 33,
73    GDB64_V0 = 34,
74    GDB64_V0_32 = 2 * GDB64_V0,
75    GDB64_NUMREGS = 98
76};
77
78const int GDB_REG_BYTES = std::max(GDB64_NUMREGS * sizeof(uint64_t),
79                                   GDB32_NUMREGS * sizeof(uint32_t));
80
81class RemoteGDB : public BaseRemoteGDB
82{
83  protected:
84    bool acc(Addr addr, size_t len);
85    bool write(Addr addr, size_t size, const char *data);
86
87    void getregs();
88    void setregs();
89
90  public:
91    RemoteGDB(System *_system, ThreadContext *tc);
92};
93} // namespace ArmISA
94
95#endif /* __ARCH_ARM_REMOTE_GDB_H__ */
96