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
|
"""Test that types defined in shared libraries work correctly."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class SharedLibTestCase(TestBase):
def common_test_expr(self, preload_symbols):
if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion():
self.skipTest(
"llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef"
)
self.build()
self.common_setup(preload_symbols)
# This should display correctly.
self.expect(
"expression --show-types -- *my_foo_ptr",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(foo)", "(sub_foo)", "other_element = 3"],
)
self.expect("expression GetMeASubFoo(my_foo_ptr)", startstr="(sub_foo *) $")
def test_expr(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.common_test_expr(True)
def test_expr_no_preload(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable, but with preloading disabled"""
self.common_test_expr(False)
@expectedFailure("llvm.org/PR36712")
def test_frame_variable(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.build()
self.common_setup()
# This should display correctly.
self.expect(
"frame variable --show-types -- *my_foo_ptr",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(foo)", "(sub_foo)", "other_element = 3"],
)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.source = "main.c"
self.line = line_number(self.source, "// Set breakpoint 0 here.")
self.shlib_names = ["foo"]
def common_setup(self, preload_symbols=True):
# Run in synchronous mode
self.dbg.SetAsync(False)
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
self.runCmd(
"settings set target.preload-symbols " + str(preload_symbols).lower()
)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(
self, self.source, self.line, num_expected_locations=1, loc_exact=True
)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(target, self.shlib_names)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
|
