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
|
"""Test that thread-local storage can be read correctly."""
from __future__ import print_function
import unittest2
import os, time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TlsGlobalTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
TestBase.setUp(self)
if self.getPlatform() == "freebsd" or self.getPlatform() == "linux":
# LD_LIBRARY_PATH must be set so the shared libraries are found on startup
if "LD_LIBRARY_PATH" in os.environ:
self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.environ["LD_LIBRARY_PATH"] + ":" + os.getcwd())
else:
self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.getcwd())
self.addTearDownHook(lambda: self.runCmd("settings remove target.env-vars " + self.dylibPath))
@skipIfWindows # TLS works differently on Windows, this would need to be implemented separately.
@expectedFailureAll(bugnumber="llvm.org/pr28392", oslist=no_match(lldbplatformutil.getDarwinOSTriples()))
def test(self):
"""Test thread-local storage."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
line1 = line_number('main.c', '// thread breakpoint')
lldbutil.run_break_set_by_file_and_line (self, "main.c", line1, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.runCmd("process status", "Get process status")
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# BUG: sometimes lldb doesn't change threads to the stopped thread.
# (unrelated to this test).
self.runCmd("thread select 2", "Change thread")
# Check that TLS evaluates correctly within the thread.
self.expect("expr var_static", VARIABLES_DISPLAYED_CORRECTLY,
patterns = ["\(int\) \$.* = 88"])
self.expect("expr var_shared", VARIABLES_DISPLAYED_CORRECTLY,
patterns = ["\(int\) \$.* = 66"])
# Continue on the main thread
line2 = line_number('main.c', '// main breakpoint')
lldbutil.run_break_set_by_file_and_line (self, "main.c", line2, num_expected_locations=1, loc_exact=True)
self.runCmd("continue", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.runCmd("process status", "Get process status")
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# BUG: sometimes lldb doesn't change threads to the stopped thread.
# (unrelated to this test).
self.runCmd("thread select 1", "Change thread")
# Check that TLS evaluates correctly within the main thread.
self.expect("expr var_static", VARIABLES_DISPLAYED_CORRECTLY,
patterns = ["\(int\) \$.* = 44"])
self.expect("expr var_shared", VARIABLES_DISPLAYED_CORRECTLY,
patterns = ["\(int\) \$.* = 33"])
|