1//===-- RegisterContextCorePOSIX_x86_64.cpp ---------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "lldb/Core/DataExtractor.h"
11#include "lldb/Core/RegisterValue.h"
12#include "lldb/Target/Thread.h"
13#include "RegisterContextPOSIX.h"
14#include "RegisterContextPOSIXCore_x86_64.h"
15
16using namespace lldb_private;
17
18RegisterContextCorePOSIX_x86_64::RegisterContextCorePOSIX_x86_64(Thread &thread,
19                                                                 RegisterInfoInterface *register_info,
20                                                                 const DataExtractor &gpregset,
21                                                                 const DataExtractor &fpregset)
22    : RegisterContextPOSIX_x86 (thread, 0, register_info)
23{
24    size_t size, len;
25
26    size = GetGPRSize();
27    m_gpregset = new uint8_t[size];
28    len = gpregset.ExtractBytes (0, size, lldb::eByteOrderLittle, m_gpregset);
29    assert(len == size);
30}
31
32RegisterContextCorePOSIX_x86_64::~RegisterContextCorePOSIX_x86_64()
33{
34    delete [] m_gpregset;
35}
36
37bool
38RegisterContextCorePOSIX_x86_64::ReadGPR()
39{
40    return m_gpregset != NULL;
41}
42
43bool
44RegisterContextCorePOSIX_x86_64::ReadFPR()
45{
46    return false;
47}
48
49bool
50RegisterContextCorePOSIX_x86_64::WriteGPR()
51{
52    assert(0);
53    return false;
54}
55
56bool
57RegisterContextCorePOSIX_x86_64::WriteFPR()
58{
59    assert(0);
60    return false;
61}
62
63bool
64RegisterContextCorePOSIX_x86_64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value)
65{
66    switch (reg_info->byte_size)
67    {
68        case 4:
69            value = *(uint32_t *)(m_gpregset + reg_info->byte_offset);
70            return true;
71        case 8:
72            value = *(uint64_t *)(m_gpregset + reg_info->byte_offset);
73            return true;
74    }
75    return false;
76}
77
78bool
79RegisterContextCorePOSIX_x86_64::ReadAllRegisterValues(lldb::DataBufferSP &data_sp)
80{
81    return false;
82}
83
84bool
85RegisterContextCorePOSIX_x86_64::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value)
86{
87    return false;
88}
89
90bool
91RegisterContextCorePOSIX_x86_64::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp)
92{
93    return false;
94}
95
96bool
97RegisterContextCorePOSIX_x86_64::HardwareSingleStep(bool enable)
98{
99    return false;
100}
101