forked from OSchip/llvm-project
75 lines
2.9 KiB
Python
75 lines
2.9 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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import pexpect
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from lldbtest import *
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class StopHookForMultipleThreadsTestCase(TestBase):
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mydir = os.path.join("functionalities", "stop-hook", "multiple_threads")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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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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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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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 %s' % (self.lldbHere, self.lldbOption, exe))
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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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# 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 the first breakpoint which is within the stop-hook range.
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child.sendline('run')
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child.expect_exact(prompt)
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child.sendline('target stop-hook add -o "frame variable -g g_val"')
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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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