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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
//===-- Platform.cpp --------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/Platform.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Error.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Host/FileSpec.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
// Use a singleton function for g_local_platform_sp to avoid init
// constructors since LLDB is often part of a shared library
static PlatformSP&
GetDefaultPlatformSP ()
{
static PlatformSP g_default_platform_sp;
return g_default_platform_sp;
}
static PlatformSP&
GetSelectedPlatformSP ()
{
static PlatformSP g_selected_platform_sp;
return g_selected_platform_sp;
}
static Mutex &
GetConnectedPlatformListMutex ()
{
static Mutex g_remote_connected_platforms_mutex (Mutex::eMutexTypeRecursive);
return g_remote_connected_platforms_mutex;
}
static std::vector<PlatformSP> &
GetConnectedPlatformList ()
{
static std::vector<PlatformSP> g_remote_connected_platforms;
return g_remote_connected_platforms;
}
//------------------------------------------------------------------
/// Get the native host platform plug-in.
///
/// There should only be one of these for each host that LLDB runs
/// upon that should be statically compiled in and registered using
/// preprocessor macros or other similar build mechanisms.
///
/// This platform will be used as the default platform when launching
/// or attaching to processes unless another platform is specified.
//------------------------------------------------------------------
PlatformSP
Platform::GetDefaultPlatform ()
{
return GetDefaultPlatformSP ();
}
void
Platform::SetDefaultPlatform (const lldb::PlatformSP &platform_sp)
{
// The native platform should use its static void Platform::Initialize()
// function to register itself as the native platform.
GetDefaultPlatformSP () = platform_sp;
}
PlatformSP
Platform::GetSelectedPlatform ()
{
PlatformSP platform_sp (GetSelectedPlatformSP ());
if (!platform_sp)
platform_sp = GetDefaultPlatform ();
return platform_sp;
}
void
Platform::SetSelectedPlatform (const lldb::PlatformSP &platform_sp)
{
// The native platform should use its static void Platform::Initialize()
// function to register itself as the native platform.
GetSelectedPlatformSP () = platform_sp;
}
Error
Platform::GetFile (const FileSpec &platform_file, FileSpec &local_file)
{
// Default to the local case
local_file = platform_file;
return Error();
}
PlatformSP
Platform::ConnectRemote (const char *platform_name, const char *remote_connect_url, Error &error)
{
PlatformCreateInstance create_callback = NULL;
lldb::PlatformSP platform_sp;
if (platform_name)
{
create_callback = PluginManager::GetPlatformCreateCallbackForPluginName (platform_name);
if (create_callback)
{
platform_sp.reset(create_callback());
if (platform_sp)
error = platform_sp->ConnectRemote (remote_connect_url);
else
error.SetErrorStringWithFormat ("unable to create a platform instance of \"%s\"", platform_name);
}
else
error.SetErrorStringWithFormat ("invalid platform name \"%s\"", platform_name);
}
else
error.SetErrorString ("Empty platform name");
return platform_sp;
}
uint32_t
Platform::GetNumConnectedRemotePlatforms ()
{
Mutex::Locker locker (GetConnectedPlatformListMutex ());
return GetConnectedPlatformList().size();
}
PlatformSP
Platform::GetConnectedRemotePlatformAtIndex (uint32_t idx)
{
PlatformSP platform_sp;
{
Mutex::Locker locker (GetConnectedPlatformListMutex ());
if (idx < GetConnectedPlatformList().size())
platform_sp = GetConnectedPlatformList ()[idx];
}
return platform_sp;
}
//------------------------------------------------------------------
/// Default Constructor
//------------------------------------------------------------------
Platform::Platform () :
m_remote_url ()
{
}
//------------------------------------------------------------------
/// Destructor.
///
/// The destructor is virtual since this class is designed to be
/// inherited from by the plug-in instance.
//------------------------------------------------------------------
Platform::~Platform()
{
}
Error
Platform::ResolveExecutable (const FileSpec &exe_file,
const ArchSpec &exe_arch,
lldb::ModuleSP &exe_module_sp)
{
Error error;
if (exe_file.Exists())
{
if (exe_arch.IsValid())
{
error = ModuleList::GetSharedModule (exe_file,
exe_arch,
NULL,
NULL,
0,
exe_module_sp,
NULL,
NULL);
}
else
{
// No valid architecture was specified, ask the platform for
// the architectures that we should be using (in the correct order)
// and see if we can find a match that way
ArchSpec platform_arch;
for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, platform_arch); ++idx)
{
error = ModuleList::GetSharedModule (exe_file,
platform_arch,
NULL,
NULL,
0,
exe_module_sp,
NULL,
NULL);
// Did we find an executable using one of the
if (error.Success() && exe_module_sp)
break;
}
}
}
else
{
error.SetErrorStringWithFormat ("'%s%s%s' does not exist",
exe_file.GetDirectory().AsCString(""),
exe_file.GetDirectory() ? "/" : "",
exe_file.GetFilename().AsCString(""));
}
return error;
}
Error
Platform::ConnectRemote (const char *remote_url)
{
Error error;
error.SetErrorStringWithFormat ("Platform::ConnectRemote() is not supported by %s", GetShortPluginName());
return error;
}
Error
Platform::DisconnectRemote (const lldb::PlatformSP &platform_sp)
{
Error error;
error.SetErrorStringWithFormat ("Platform::DisconnectRemote() is not supported by %s", GetShortPluginName());
return error;
}
|
