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
|
"""
Test python scripted process in lldb
"""
import os, shutil
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from lldbsuite.test import lldbtest
import dummy_scripted_process
class ScriptedProcesTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
@skipUnlessDarwin
def test_python_plugin_package(self):
"""Test that the lldb python module has a `plugins.scripted_process`
package."""
self.expect(
"script import lldb.plugins",
substrs=["ModuleNotFoundError"],
matching=False,
)
self.expect("script dir(lldb.plugins)", substrs=["scripted_process"])
self.expect(
"script import lldb.plugins.scripted_process",
substrs=["ModuleNotFoundError"],
matching=False,
)
self.expect(
"script dir(lldb.plugins.scripted_process)", substrs=["ScriptedProcess"]
)
self.expect(
"script from lldb.plugins.scripted_process import ScriptedProcess",
substrs=["ImportError"],
matching=False,
)
self.expect("script dir(ScriptedProcess)", substrs=["launch"])
def move_blueprint_to_dsym(self, blueprint_name):
blueprint_origin_path = os.path.join(self.getSourceDir(), blueprint_name)
dsym_bundle = self.getBuildArtifact("a.out.dSYM")
blueprint_destination_path = os.path.join(
dsym_bundle, "Contents", "Resources", "Python"
)
if not os.path.exists(blueprint_destination_path):
os.mkdir(blueprint_destination_path)
blueprint_destination_path = os.path.join(
blueprint_destination_path, "a_out.py"
)
shutil.copy(blueprint_origin_path, blueprint_destination_path)
@skipUnlessDarwin
def test_invalid_scripted_register_context(self):
"""Test that we can launch an lldb scripted process with an invalid
Scripted Thread, with invalid register context."""
self.build()
os.environ["SKIP_SCRIPTED_PROCESS_LAUNCH"] = "1"
def cleanup():
del os.environ["SKIP_SCRIPTED_PROCESS_LAUNCH"]
self.addTearDownHook(cleanup)
self.runCmd("settings set target.load-script-from-symbol-file true")
self.move_blueprint_to_dsym("invalid_scripted_process.py")
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
log_file = self.getBuildArtifact("thread.log")
self.runCmd("log enable lldb thread -f " + log_file)
self.assertTrue(os.path.isfile(log_file))
launch_info = lldb.SBLaunchInfo(None)
launch_info.SetProcessPluginName("ScriptedProcess")
launch_info.SetScriptedProcessClassName("a_out.InvalidScriptedProcess")
error = lldb.SBError()
process = target.Launch(launch_info, error)
self.assertSuccess(error)
self.assertTrue(process, PROCESS_IS_VALID)
self.assertEqual(process.GetProcessID(), 666)
self.assertEqual(process.GetNumThreads(), 0)
impl = process.GetScriptedImplementation()
self.assertTrue(impl)
impl = process.GetScriptedImplementation()
self.assertTrue(impl)
impl = process.GetScriptedImplementation()
self.assertTrue(impl)
impl = process.GetScriptedImplementation()
self.assertTrue(impl)
addr = 0x500000000
buff = process.ReadMemory(addr, 4, error)
self.assertEqual(buff, None)
self.assertTrue(error.Fail())
self.assertEqual(error.GetCString(), "This is an invalid scripted process!")
with open(log_file, "r") as f:
log = f.read()
self.assertIn("Failed to get scripted thread registers data.", log)
@skipUnlessDarwin
def test_scripted_process_and_scripted_thread(self):
"""Test that we can launch an lldb scripted process using the SBAPI,
check its process ID, read string from memory, check scripted thread
id, name stop reason and register context.
"""
self.build()
target_0 = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target_0, VALID_TARGET)
os.environ["SKIP_SCRIPTED_PROCESS_LAUNCH"] = "1"
def cleanup():
del os.environ["SKIP_SCRIPTED_PROCESS_LAUNCH"]
self.addTearDownHook(cleanup)
scripted_process_example_relpath = "dummy_scripted_process.py"
self.runCmd(
"command script import "
+ os.path.join(self.getSourceDir(), scripted_process_example_relpath)
)
launch_info = lldb.SBLaunchInfo(None)
launch_info.SetProcessPluginName("ScriptedProcess")
launch_info.SetScriptedProcessClassName(
"dummy_scripted_process.DummyScriptedProcess"
)
error = lldb.SBError()
process_0 = target_0.Launch(launch_info, error)
self.assertTrue(process_0 and process_0.IsValid(), PROCESS_IS_VALID)
self.assertEqual(process_0.GetProcessID(), 42)
self.assertEqual(process_0.GetNumThreads(), 1)
py_impl = process_0.GetScriptedImplementation()
self.assertTrue(py_impl)
self.assertTrue(
isinstance(py_impl, dummy_scripted_process.DummyScriptedProcess)
)
self.assertFalse(hasattr(py_impl, "my_super_secret_member"))
py_impl.my_super_secret_member = 42
self.assertTrue(hasattr(py_impl, "my_super_secret_member"))
self.assertEqual(py_impl.my_super_secret_method(), 42)
# Try reading from target #0 process ...
addr = 0x500000000
message = "Hello, target 0"
buff = process_0.ReadCStringFromMemory(addr, len(message) + 1, error)
self.assertSuccess(error)
self.assertEqual(buff, message)
target_1 = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target_1, VALID_TARGET)
# We still need to specify a PID when attaching even for scripted processes
attach_info = lldb.SBAttachInfo(42)
attach_info.SetProcessPluginName("ScriptedProcess")
attach_info.SetScriptedProcessClassName(
"dummy_scripted_process.DummyScriptedProcess"
)
error = lldb.SBError()
process_1 = target_1.Attach(attach_info, error)
self.assertTrue(process_1 and process_1.IsValid(), PROCESS_IS_VALID)
self.assertEqual(process_1.GetProcessID(), 42)
self.assertEqual(process_1.GetNumThreads(), 1)
# ... then try reading from target #1 process ...
message = "Hello, target 1"
buff = process_1.ReadCStringFromMemory(addr, len(message) + 1, error)
self.assertSuccess(error)
self.assertEqual(buff, message)
# ... now, reading again from target #0 process to make sure the call
# gets dispatched to the right target.
message = "Hello, target 0"
buff = process_0.ReadCStringFromMemory(addr, len(message) + 1, error)
self.assertSuccess(error)
self.assertEqual(buff, message)
# Let's write some memory.
message = "Hello, world!"
bytes_written = process_0.WriteMemoryAsCString(addr, message, error)
self.assertSuccess(error)
self.assertEqual(bytes_written, len(message) + 1)
# ... and check if that memory was saved properly.
buff = process_0.ReadCStringFromMemory(addr, len(message) + 1, error)
self.assertSuccess(error)
self.assertEqual(buff, message)
thread = process_0.GetSelectedThread()
self.assertTrue(thread, "Invalid thread.")
self.assertEqual(thread.GetThreadID(), 0x19)
self.assertEqual(thread.GetName(), "DummyScriptedThread.thread-1")
self.assertStopReason(thread.GetStopReason(), lldb.eStopReasonTrace)
self.assertGreater(thread.GetNumFrames(), 0)
frame = thread.GetFrameAtIndex(0)
GPRs = None
register_set = frame.registers # Returns an SBValueList.
for regs in register_set:
if "general purpose" in regs.name.lower():
GPRs = regs
break
self.assertTrue(GPRs, "Invalid General Purpose Registers Set")
self.assertGreater(GPRs.GetNumChildren(), 0)
for idx, reg in enumerate(GPRs, start=1):
if idx > 21:
break
self.assertEqual(idx, int(reg.value, 16))
self.assertTrue(frame.IsArtificial(), "Frame is not artificial")
pc = frame.GetPCAddress().GetLoadAddress(target_0)
self.assertEqual(pc, 0x0100001B00)
|
