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
|
"""
Test that we obey thread conditioned breakpoints.
"""
from __future__ import print_function
import os, time
import re
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class ThreadSpecificBreakTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@add_test_categories(['pyapi'])
@expectedFailureWindows # Thread specific breakpoints cause the inferior to crash
def test_python(self):
"""Test that we obey thread conditioned breakpoints."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# This test works by setting a breakpoint in a function conditioned to stop only on
# the main thread, and then calling this function on a secondary thread, joining,
# and then calling again on the main thread. If the thread specific breakpoint works
# then it should not be hit on the secondary thread, only on the main thread.
main_source_spec = lldb.SBFileSpec ("main.cpp")
main_breakpoint = target.BreakpointCreateBySourceRegex("Set main breakpoint here", main_source_spec);
thread_breakpoint = target.BreakpointCreateBySourceRegex("Set thread-specific breakpoint here", main_source_spec)
self.assertTrue(main_breakpoint.IsValid(), "Failed to set main breakpoint.")
self.assertGreater(main_breakpoint.GetNumLocations(), 0, "main breakpoint has no locations associated with it.")
self.assertTrue(thread_breakpoint.IsValid(), "Failed to set thread breakpoint.")
self.assertGreater(thread_breakpoint.GetNumLocations(), 0, "thread breakpoint has no locations associated with it.")
process = target.LaunchSimple (None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
stopped_threads = lldbutil.get_threads_stopped_at_breakpoint(process, main_breakpoint)
self.assertEqual(len(stopped_threads), 1, "main breakpoint stopped at unexpected number of threads")
main_thread = stopped_threads[0]
main_thread_id = main_thread.GetThreadID()
# Set the thread-specific breakpoint to only stop on the main thread. The run the function
# on another thread and join on it. If the thread-specific breakpoint works, the next
# stop should be on the main thread.
thread_breakpoint.SetThreadID(main_thread_id)
process.Continue()
next_stop_state = process.GetState()
self.assertEqual(next_stop_state, lldb.eStateStopped, "We should have stopped at the thread breakpoint.")
stopped_threads = lldbutil.get_threads_stopped_at_breakpoint(process, thread_breakpoint)
self.assertEqual(len(stopped_threads), 1, "thread breakpoint stopped at unexpected number of threads")
self.assertEqual(stopped_threads[0].GetThreadID(), main_thread_id, "thread breakpoint stopped at the wrong thread")
|
