32868feeee
This test passes locally but was disabled due to pexpect issues on the FreeBSD buildbot. That buildbot has been retired as it was overloaded, and we will investigate again if this fails once a new buildbot is in place. Noted by John Wolfe. llvm.org/pr22784 This re-applies r247013. llvm-svn: 247565
93 lines
3.7 KiB
Python
93 lines
3.7 KiB
Python
"""
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Test that lldb stop-hook works for multiple threads.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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class StopHookForMultipleThreadsTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipUnlessDarwin
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@dsym_test
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def test_stop_hook_multiple_threads_with_dsym(self):
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"""Test that lldb stop-hook works for multiple threads."""
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self.buildDsym(dictionary=self.d)
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self.setTearDownCleanup(dictionary=self.d)
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self.stop_hook_multiple_threads()
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@dwarf_test
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@expectedFlakeyFreeBSD("llvm.org/pr15037")
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@expectedFlakeyLinux("llvm.org/pr15037") # stop hooks sometimes fail to fire on Linux
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@expectedFailureHostWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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def test_stop_hook_multiple_threads_with_dwarf(self):
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"""Test that lldb stop-hook works for multiple threads."""
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self.buildDwarf(dictionary=self.d)
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self.setTearDownCleanup(dictionary=self.d)
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self.stop_hook_multiple_threads()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Our simple source filename.
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self.source = 'main.cpp'
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# Find the line number to break inside main().
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self.first_stop = line_number(self.source, '// Set break point at this line, and add a stop-hook.')
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self.thread_function = line_number(self.source, '// Break here to test that the stop-hook mechanism works for multiple threads.')
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# Build dictionary to have unique executable names for each test method.
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self.exe_name = self.testMethodName
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self.d = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
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def stop_hook_multiple_threads(self):
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"""Test that lldb stop-hook works for multiple threads."""
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import pexpect
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exe = os.path.join(os.getcwd(), self.exe_name)
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prompt = "(lldb) "
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# So that the child gets torn down after the test.
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self.child = pexpect.spawn('%s %s' % (lldbtest_config.lldbExec, self.lldbOption))
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child = self.child
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# Turn on logging for what the child sends back.
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if self.TraceOn():
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child.logfile_read = sys.stdout
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if lldb.remote_platform:
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child.expect_exact(prompt)
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child.sendline('platform select %s' % lldb.remote_platform.GetName())
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child.expect_exact(prompt)
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child.sendline('platform connect %s' % lldb.platform_url)
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child.expect_exact(prompt)
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child.sendline('platform settings -w %s' % lldb.remote_platform_working_dir)
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child.expect_exact(prompt)
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child.sendline('target create %s' % exe)
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# Set the breakpoint, followed by the target stop-hook commands.
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child.expect_exact(prompt)
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child.sendline('breakpoint set -f main.cpp -l %d' % self.first_stop)
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child.expect_exact(prompt)
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child.sendline('breakpoint set -f main.cpp -l %d' % self.thread_function)
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child.expect_exact(prompt)
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# Now run the program, expect to stop at the first breakpoint which is within the stop-hook range.
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child.sendline('run')
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child.expect_exact("Process") # 'Process 2415 launched', 'Process 2415 stopped'
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child.expect_exact(prompt)
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child.sendline('target stop-hook add -o "frame variable --show-globals g_val"')
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child.expect_exact("Stop hook") # 'Stop hook #1 added.'
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child.expect_exact(prompt)
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# Continue and expect to find the output emitted by the firing of our stop hook.
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child.sendline('continue')
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child.expect_exact('(uint32_t) ::g_val = ')
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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