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
|
import os
from time import sleep
import gdbremote_testcase
import lldbgdbserverutils
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestGdbRemoteAttachWait(gdbremote_testcase.GdbRemoteTestCaseBase):
def _set_up_inferior(self):
self._exe_to_attach = '%s_%d' % (self.testMethodName, os.getpid())
self.build(dictionary={'EXE': self._exe_to_attach, 'CXX_SOURCES': 'main.cpp'})
if self.getPlatform() != "windows":
# Use a shim to ensure that the process is ready to be attached from
# the get-go.
self._exe_to_run = "shim"
self._run_args = [self.getBuildArtifact(self._exe_to_attach)]
self.build(dictionary={'EXE': self._exe_to_run, 'CXX_SOURCES':
'shim.cpp'})
else:
self._exe_to_run = self._exe_to_attach
self._run_args = []
def _launch_inferior(self, args):
inferior = self.spawnSubprocess(self.getBuildArtifact(self._exe_to_run),
args)
self.assertIsNotNone(inferior)
self.assertTrue(inferior.pid > 0)
self.assertTrue(
lldbgdbserverutils.process_is_running(
inferior.pid, True))
return inferior
def _launch_and_wait_for_init(self):
sync_file_path = lldbutil.append_to_process_working_directory(self,
"process_ready")
inferior = self._launch_inferior(self._run_args + [sync_file_path])
lldbutil.wait_for_file_on_target(self, sync_file_path)
return inferior
def _attach_packet(self, packet_type):
return "read packet: ${};{}#00".format(packet_type,
lldbgdbserverutils.gdbremote_hex_encode_string(self._exe_to_attach))
@skipIfWindows # This test is flaky on Windows
def test_attach_with_vAttachWait(self):
self._set_up_inferior()
self.set_inferior_startup_attach_manually()
server = self.connect_to_debug_monitor()
self.do_handshake()
# Launch the first inferior (we shouldn't attach to this one).
self._launch_and_wait_for_init()
self.test_sequence.add_log_lines([self._attach_packet("vAttachWait")],
True)
# Run the stream until attachWait.
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Sleep so we're sure that the inferior is launched after we ask for the attach.
sleep(1)
# Launch the second inferior (we SHOULD attach to this one).
inferior_to_attach = self._launch_inferior(self._run_args)
# Make sure the attach succeeded.
self.test_sequence.add_log_lines([
{"direction": "send",
"regex": r"^\$T([0-9a-fA-F]{2})[^#]*#[0-9a-fA-F]{2}$",
"capture": {1: "stop_signal_hex"}},
], True)
self.add_process_info_collection_packets()
# Run the stream sending the response..
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Gather process info response.
process_info = self.parse_process_info_response(context)
self.assertIsNotNone(process_info)
# Ensure the process id matches what we expected.
pid_text = process_info.get('pid', None)
self.assertIsNotNone(pid_text)
reported_pid = int(pid_text, base=16)
self.assertEqual(reported_pid, inferior_to_attach.pid)
@skipIfWindows # This test is flaky on Windows
def test_launch_before_attach_with_vAttachOrWait(self):
self._set_up_inferior()
self.set_inferior_startup_attach_manually()
server = self.connect_to_debug_monitor()
self.do_handshake()
inferior = self._launch_and_wait_for_init()
# Add attach packets.
self.test_sequence.add_log_lines([
# Do the attach.
self._attach_packet("vAttachOrWait"),
# Expect a stop notification from the attach.
{"direction": "send",
"regex": r"^\$T([0-9a-fA-F]{2})[^#]*#[0-9a-fA-F]{2}$",
"capture": {1: "stop_signal_hex"}},
], True)
self.add_process_info_collection_packets()
# Run the stream
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Gather process info response
process_info = self.parse_process_info_response(context)
self.assertIsNotNone(process_info)
# Ensure the process id matches what we expected.
pid_text = process_info.get('pid', None)
self.assertIsNotNone(pid_text)
reported_pid = int(pid_text, base=16)
self.assertEqual(reported_pid, inferior.pid)
@skipIfWindows # This test is flaky on Windows
def test_launch_after_attach_with_vAttachOrWait(self):
self._set_up_inferior()
self.set_inferior_startup_attach_manually()
server = self.connect_to_debug_monitor()
self.do_handshake()
self.test_sequence.add_log_lines([self._attach_packet("vAttachOrWait")],
True)
# Run the stream until attachWait.
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Sleep so we're sure that the inferior is launched after we ask for the attach.
sleep(1)
# Launch the inferior.
inferior = self._launch_inferior(self._run_args)
# Make sure the attach succeeded.
self.test_sequence.add_log_lines([
{"direction": "send",
"regex": r"^\$T([0-9a-fA-F]{2})[^#]*#[0-9a-fA-F]{2}$",
"capture": {1: "stop_signal_hex"}},
], True)
self.add_process_info_collection_packets()
# Run the stream sending the response..
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Gather process info response.
process_info = self.parse_process_info_response(context)
self.assertIsNotNone(process_info)
# Ensure the process id matches what we expected.
pid_text = process_info.get('pid', None)
self.assertIsNotNone(pid_text)
reported_pid = int(pid_text, base=16)
self.assertEqual(reported_pid, inferior.pid)
|
