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
| """
Test display and Python APIs on file and class static variables.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class StaticVariableTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', '// Set break point at this line.')
def test_with_run_command(self):
"""Test that file and class static variables display correctly."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# Global variables are no longer displayed with the "frame variable"
# command.
self.expect(
'target variable A::g_points',
VARIABLES_DISPLAYED_CORRECTLY,
patterns=['\(PointType \[[1-9]*\]\) A::g_points = {'])
self.expect('target variable g_points', VARIABLES_DISPLAYED_CORRECTLY,
substrs=['(PointType [2]) g_points'])
# On Mac OS X, gcc 4.2 emits the wrong debug info for A::g_points.
# A::g_points is an array of two elements.
if self.platformIsDarwin() or self.getPlatform() == "linux":
self.expect(
"target variable A::g_points[1].x",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(int) A::g_points[1].x = 11")
@expectedFailureAll(
compiler=["gcc"],
bugnumber="Compiler emits incomplete debug info")
@expectedFailureAll(
compiler=["clang"],
compiler_version=["<", "3.9"],
bugnumber='llvm.org/pr20550')
def test_with_run_command_complete(self):
"""
Test that file and class static variables display correctly with
complete debug information.
"""
self.build()
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Global variables are no longer displayed with the "frame variable"
# command.
self.expect(
'target variable A::g_points',
VARIABLES_DISPLAYED_CORRECTLY,
patterns=[
'\(PointType \[[1-9]*\]\) A::g_points = {', '(x = 1, y = 2)',
'(x = 11, y = 22)'
])
# Ensure that we take the context into account and only print
# A::g_points.
self.expect(
'target variable A::g_points',
VARIABLES_DISPLAYED_CORRECTLY,
matching=False,
patterns=['(x = 3, y = 4)', '(x = 33, y = 44)'])
# Finally, ensure that we print both points when not specifying a
# context.
self.expect(
'target variable g_points',
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
'(PointType [2]) g_points', '(x = 1, y = 2)',
'(x = 11, y = 22)', '(x = 3, y = 4)', '(x = 33, y = 44)'
])
@expectedFailureAll(
compiler=["gcc"],
bugnumber="Compiler emits incomplete debug info")
@expectedFailureAll(
compiler=["clang"],
compiler_version=["<", "3.9"],
bugnumber='llvm.org/pr20550')
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
@add_test_categories(['pyapi'])
def test_with_python_api(self):
"""Test Python APIs on file and class static variables."""
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line)
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
# Get the SBValue of 'A::g_points' and 'g_points'.
frame = thread.GetFrameAtIndex(0)
# arguments => False
# locals => False
# statics => True
# in_scope_only => False
valList = frame.GetVariables(False, False, True, False)
for val in valList:
self.DebugSBValue(val)
name = val.GetName()
self.assertTrue(name in ['g_points', 'A::g_points'])
if name == 'g_points':
self.assertTrue(
val.GetValueType() == lldb.eValueTypeVariableStatic)
self.assertEqual(val.GetNumChildren(), 2)
elif name == 'A::g_points':
self.assertTrue(
val.GetValueType() == lldb.eValueTypeVariableGlobal)
self.assertEqual(val.GetNumChildren(), 2)
child1 = val.GetChildAtIndex(1)
self.DebugSBValue(child1)
child1_x = child1.GetChildAtIndex(0)
self.DebugSBValue(child1_x)
self.assertTrue(child1_x.GetTypeName() == 'int' and
child1_x.GetValue() == '11')
# SBFrame.FindValue() should also work.
val = frame.FindValue("A::g_points", lldb.eValueTypeVariableGlobal)
self.DebugSBValue(val)
self.assertTrue(val.GetName() == 'A::g_points')
# Also exercise the "parameter" and "local" scopes while we are at it.
val = frame.FindValue("argc", lldb.eValueTypeVariableArgument)
self.DebugSBValue(val)
self.assertTrue(val.GetName() == 'argc')
val = frame.FindValue("argv", lldb.eValueTypeVariableArgument)
self.DebugSBValue(val)
self.assertTrue(val.GetName() == 'argv')
val = frame.FindValue("hello_world", lldb.eValueTypeVariableLocal)
self.DebugSBValue(val)
self.assertTrue(val.GetName() == 'hello_world')
|