1/*
2 * Copyright 2014 Google, Inc.
3 * Copyright (c) 2007 The Hewlett-Packard Development Company
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

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31 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * Authors: Gabe Black
39 */
40
41#ifndef __ARCH_X86_REMOTEGDB_HH__
42#define __ARCH_X86_REMOTEGDB_HH__
43
44#include <algorithm>
45
46#include "arch/x86/types.hh"
47#include "base/remote_gdb.hh"
48
49class System;
50class ThreadContext;
51
52namespace X86ISA
53{
54class RemoteGDB : public BaseRemoteGDB
55{
56 public:
57 enum
58 {
59 GDB32_EAX,
60 GDB32_ECX,
61 GDB32_EDX,
62 GDB32_EBX,
63 GDB32_ESP,
64 GDB32_EBP,
65 GDB32_ESI,
66 GDB32_EDI,
67 GDB32_EIP,
68 GDB32_EFLAGS,
69 GDB32_CS,
70 GDB32_SS,
71 GDB32_DS,
72 GDB32_ES,
73 GDB32_FS,
74 GDB32_GS,
75
76 GDB32_NUMREGS
77 };
78
79 enum
80 {
81 GDB64_RAX,
82 GDB64_RBX,
83 GDB64_RCX,
84 GDB64_RDX,
85 GDB64_RSI,
86 GDB64_RDI,
87 GDB64_RBP,
88 GDB64_RSP,
89 GDB64_R8,
90 GDB64_R9,
91 GDB64_R10,
92 GDB64_R11,
93 GDB64_R12,
94 GDB64_R13,
95 GDB64_R14,
96 GDB64_R15,
97 GDB64_RIP,
98 // These indices index into the reg cache treated as an array of 32
99 // bit integers. The next index is one beyond the previous, and then
100 // scaled up from an index into an array of 64 bit integers.
101 GDB64_RFLAGS_32 = (GDB64_RIP + 1) * 2,
102 GDB64_CS_32,
103 GDB64_SS_32,
104 GDB64_DS_32,
105 GDB64_ES_32,
106 GDB64_FS_32,
107 GDB64_GS_32,
108
109 // Scale the end index count back down (rounded up) to be for an
110 // array of 64 bit integers.
111 GDB64_NUMREGS = (GDB64_GS_32 + 1) / 2 + 1
112 };
113
114 RemoteGDB(System *system, ThreadContext *context);
115
116 bool acc(Addr addr, size_t len);
117
118 protected:
119 void getregs();
120 void setregs();
121
122 bool checkBpLen(size_t len) { return len == 1; }
123};
124
125const int GDB_REG_BYTES M5_VAR_USED =
126 std::max(RemoteGDB::GDB32_NUMREGS * sizeof(uint32_t),
127 RemoteGDB::GDB64_NUMREGS * sizeof(uint64_t));
128
129}
130
131#endif // __ARCH_X86_REMOTEGDB_HH__