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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
//===-- PlatformLinux.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "PlatformLinux.h"
// C Includes
#include <stdio.h>
#include <sys/utsname.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Error.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleList.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Host/FileSpec.h"
#include "lldb/Host/Host.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Process.h"
using namespace lldb;
using namespace lldb_private;
Platform *
PlatformLinux::CreateInstance ()
{
return new PlatformLinux();
}
const char *
PlatformLinux::GetPluginNameStatic()
{
return "plugin.platform.linux";
}
const char *
PlatformLinux::GetPluginDescriptionStatic()
{
return "Default platform plugin for Linux";
}
void
PlatformLinux::Initialize ()
{
static bool g_initialized = false;
if (!g_initialized)
{
PlatformSP default_platform_sp (CreateInstance());
Platform::SetDefaultPlatform (default_platform_sp);
PluginManager::RegisterPlugin(GetPluginNameStatic(),
GetPluginDescriptionStatic(),
CreateInstance);
g_initialized = true;
}
}
void
PlatformLinux::Terminate ()
{
}
Error
PlatformLinux::ResolveExecutable (const FileSpec &exe_file,
const ArchSpec &exe_arch,
lldb::ModuleSP &exe_module_sp)
{
Error error;
// Nothing special to do here, just use the actual file and architecture
FileSpec resolved_exe_file (exe_file);
// If we have "ls" as the exe_file, resolve the executable loation based on
// the current path variables
if (!resolved_exe_file.Exists())
resolved_exe_file.ResolveExecutableLocation ();
// Resolve any executable within a bundle on MacOSX
Host::ResolveExecutableInBundle (resolved_exe_file);
if (resolved_exe_file.Exists())
{
if (exe_arch.IsValid())
{
error = ModuleList::GetSharedModule (resolved_exe_file,
exe_arch,
NULL,
NULL,
0,
exe_module_sp,
NULL,
NULL);
if (exe_module_sp->GetObjectFile() == NULL)
{
exe_module_sp.reset();
error.SetErrorStringWithFormat ("'%s%s%s' doesn't contain the architecture %s",
exe_file.GetDirectory().AsCString(""),
exe_file.GetDirectory() ? "/" : "",
exe_file.GetFilename().AsCString(""),
exe_arch.GetArchitectureName());
}
}
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
StreamString arch_names;
ArchSpec platform_arch;
for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, platform_arch); ++idx)
{
error = ModuleList::GetSharedModule (resolved_exe_file,
platform_arch,
NULL,
NULL,
0,
exe_module_sp,
NULL,
NULL);
// Did we find an executable using one of the
if (error.Success())
{
if (exe_module_sp && exe_module_sp->GetObjectFile())
break;
else
error.SetErrorToGenericError();
}
if (idx > 0)
arch_names.PutCString (", ");
arch_names.PutCString (platform_arch.GetArchitectureName());
}
if (error.Fail() || !exe_module_sp)
{
error.SetErrorStringWithFormat ("'%s%s%s' doesn't contain any '%s' platform architectures: %s",
exe_file.GetDirectory().AsCString(""),
exe_file.GetDirectory() ? "/" : "",
exe_file.GetFilename().AsCString(""),
GetShortPluginName(),
arch_names.GetString().c_str());
}
}
}
else
{
error.SetErrorStringWithFormat ("'%s%s%s' does not exist",
exe_file.GetDirectory().AsCString(""),
exe_file.GetDirectory() ? "/" : "",
exe_file.GetFilename().AsCString(""));
}
return error;
}
Error
PlatformLinux::GetFile (const FileSpec &platform_file,
const UUID *uuid, FileSpec &local_file)
{
// Default to the local case
local_file = platform_file;
return Error();
}
//------------------------------------------------------------------
/// Default Constructor
//------------------------------------------------------------------
PlatformLinux::PlatformLinux () :
Platform(true)
{
}
//------------------------------------------------------------------
/// Destructor.
///
/// The destructor is virtual since this class is designed to be
/// inherited from by the plug-in instance.
//------------------------------------------------------------------
PlatformLinux::~PlatformLinux()
{
}
uint32_t
PlatformLinux:: FindProcesses const ProcessInfoMatch &match_info,
ProcessInfoList &process_infos()
{
return Host:: FindProcesses (match_info, process_infos);
}
bool
PlatformLinux::GetProcessInfo (lldb::pid_t pid, ProcessInfo &process_info)
{
return Host::GetProcessInfo (pid, process_info);
}
bool
PlatformLinux::GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch)
{
if (idx == 0)
{
arch = Host::GetArchitecture (Host::eSystemDefaultArchitecture);
return arch.IsValid();
}
return false;
}
void
PlatformLinux::GetStatus (Stream &strm)
{
struct utsname un;
if (uname(&un)) {
strm << "Linux";
return;
}
strm << un.sysname << ' ' << un.release << ' ' << un.version << '\n';
}
size_t
PlatformLinux::GetSoftwareBreakpointTrapOpcode (Target &target,
BreakpointSite *bp_site)
{
static const uint8_t g_i386_opcode[] = { 0xCC };
ArchSpec arch = target.GetArchitecture();
const uint8_t *opcode = NULL;
size_t opcode_size = 0;
switch (arch.GetCore())
{
default:
assert(false && "CPU type not supported!");
break;
case ArchSpec::eCore_x86_32_i386:
case ArchSpec::eCore_x86_64_x86_64:
opcode = g_i386_opcode;
opcode_size = sizeof(g_i386_opcode);
break;
}
bp_site->SetTrapOpcode(opcode, opcode_size);
return opcode_size;
}
|
