1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (c) 2007 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
#ifndef __ARCH_MIPS_REMOTE_GDB_HH__
#define __ARCH_MIPS_REMOTE_GDB_HH__
#include "arch/mips/registers.hh"
#include "base/bitfield.hh"
#include "base/remote_gdb.hh"
class System;
class ThreadContext;
namespace MipsISA
{
// The number of special regs depends on gdb.
// Two 32-bit regs are packed into one 64-bit reg.
const int GdbIntArchRegs = NumIntArchRegs / 2;
const int GdbIntSpecialRegs = 6 / 2;
const int GdbFloatArchRegs = NumFloatArchRegs / 2;
const int GdbFloatSpecialRegs = 2 / 2;
const int GdbIntRegs = GdbIntArchRegs + GdbIntSpecialRegs;
const int GdbFloatRegs = GdbFloatArchRegs + GdbFloatSpecialRegs;
const int GdbNumRegs = GdbIntRegs + GdbFloatRegs;
class RemoteGDB : public BaseRemoteGDB
{
protected:
Addr notTakenBkpt;
Addr takenBkpt;
public:
RemoteGDB(System *_system, ThreadContext *tc);
protected:
bool acc(Addr addr, size_t len);
void getregs();
void setregs();
void clearSingleStep();
void setSingleStep();
private:
uint64_t
pack(uint32_t lo, uint32_t hi)
{
return static_cast<uint64_t>(hi) << 32 | lo;
}
uint32_t
unpackLo(uint64_t val)
{
return bits(val, 31, 0);
}
uint32_t
unpackHi(uint64_t val)
{
return bits(val, 63, 32);
}
};
}
#endif /* __ARCH_MIPS_REMOTE_GDB_H__ */
|
