remote_gdb.hh revision 10037:5cac77888310 
1/*
2 * Copyright (c) 2013 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2002-2005 The Regents of The University of Michigan
15 * Copyright (c) 2007-2008 The Florida State University
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are
20 * met: redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer;
22 * redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution;
25 * neither the name of the copyright holders nor the names of its
26 * contributors may be used to endorse or promote products derived from
27 * this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Authors: Nathan Binkert
42 *          Stephen Hines
43 */
44
45#ifndef __ARCH_ARM_REMOTE_GDB_HH__
46#define __ARCH_ARM_REMOTE_GDB_HH__
47
48#include "base/remote_gdb.hh"
49
50class System;
51class ThreadContext;
52
53namespace ArmISA
54{
55
56// AArch32 registers with vfpv3/neon
57const int NUMREGS   = 41;  /* r0-r15, cpsr, d0-d31, fpscr */
58const int REG_R0 = 0;
59const int REG_F0 = 8;
60const int REG_CPSR  = 8;   /* bit 512 to bit 543  */
61const int REG_FPSCR = 40;  /* bit 2592 to bit 2623 */
62
63// AArch64 registers
64const int NUMREGS_64 = 98;  // x0-x31, pc, cpsr (64-bit GPRs)
65                            // v0-v31 (128-bit FPRs)
66const int REG_X0 = 0;
67const int REG_PC_64 = 32;
68const int REG_CPSR_64 = 33;
69const int REG_V0 = 34;
70
71const int MAX_NUMREGS = NUMREGS_64;
72
73class RemoteGDB : public BaseRemoteGDB
74{
75
76protected:
77  Addr notTakenBkpt;
78  Addr takenBkpt;
79
80protected:
81  bool acc(Addr addr, size_t len);
82  bool write(Addr addr, size_t size, const char *data);
83
84  void getregs();
85  void setregs();
86
87  void clearSingleStep();
88  void setSingleStep();
89
90public:
91  RemoteGDB(System *_system, ThreadContext *tc);
92};
93} // namespace ArmISA
94
95#endif /* __ARCH_ARM_REMOTE_GDB_H__ */
96