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
| """
Test 'watchpoint command'.
"""
from __future__ import print_function
import os
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class WatchpointPythonCommandTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Our simple source filename.
self.source = 'main.cpp'
# Find the line number to break inside main().
self.line = line_number(
self.source, '// Set break point at this line.')
# And the watchpoint variable declaration line number.
self.decl = line_number(self.source,
'// Watchpoint variable declaration.')
# Build dictionary to have unique executable names for each test
# method.
self.exe_name = self.testMethodName
self.d = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
@skipIfFreeBSD # timing out on buildbot
@expectedFailureAll(
oslist=["linux"],
archs=["aarch64"],
triple=no_match(".*-android"),
bugnumber="llvm.org/pr27710") # work on android
@expectedFailureNetBSD
def test_watchpoint_command(self):
"""Test 'watchpoint command'."""
self.build(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
exe = self.getBuildArtifact(self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line(
self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# Now let's set a write-type watchpoint for 'global'.
self.expect(
"watchpoint set variable -w write global",
WATCHPOINT_CREATED,
substrs=[
'Watchpoint created',
'size = 4',
'type = w',
'%s:%d' %
(self.source,
self.decl)])
self.runCmd(
'watchpoint command add -s python 1 -o \'frame.EvaluateExpression("cookie = 777")\'')
# List the watchpoint command we just added.
self.expect("watchpoint command list 1",
substrs=['frame.EvaluateExpression', 'cookie = 777'])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 0 initially.
self.expect("watchpoint list -v",
substrs=['hit_count = 0'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs=['stop reason = watchpoint'])
# Check that the watchpoint snapshoting mechanism is working.
self.expect("watchpoint list -v",
substrs=['old value:', ' = 0',
'new value:', ' = 1'])
# The watchpoint command "forced" our global variable 'cookie' to
# become 777.
self.expect("frame variable --show-globals cookie",
substrs=['(int32_t)', 'cookie = 777'])
@skipIfFreeBSD # timing out on buildbot
@expectedFailureAll(
oslist=["linux"],
archs=["aarch64"],
triple=no_match(".*-android"),
bugnumber="llvm.org/pr27710") # work on android
@expectedFailureNetBSD
def test_continue_in_watchpoint_command(self):
"""Test continue in a watchpoint command."""
self.build(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
exe = self.getBuildArtifact(self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line(
self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# Now let's set a write-type watchpoint for 'global'.
self.expect(
"watchpoint set variable -w write global",
WATCHPOINT_CREATED,
substrs=[
'Watchpoint created',
'size = 4',
'type = w',
'%s:%d' %
(self.source,
self.decl)])
cmd_script_file = os.path.join(self.getSourceDir(),
"watchpoint_command.py")
self.runCmd("command script import '%s'" % (cmd_script_file))
self.runCmd(
'watchpoint command add -F watchpoint_command.watchpoint_command')
# List the watchpoint command we just added.
self.expect("watchpoint command list 1",
substrs=['watchpoint_command.watchpoint_command'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs=['stop reason = watchpoint'])
# We should have hit the watchpoint once, set cookie to 888, then continued to the
# second hit and set it to 999
self.expect("frame variable --show-globals cookie",
substrs=['(int32_t)', 'cookie = 999'])
|