forked from OSchip/llvm-project
74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
"""
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Test that breakpoint works correctly in the presence of dead-code stripping.
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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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import lldbutil
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class DeadStripTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_with_dsym(self):
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"""Test breakpoint works correctly with dead-code stripping."""
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self.buildDsym()
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self.dead_strip()
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@skipIfFreeBSD # The -dead_strip linker option isn't supported on FreeBSD versions of ld.
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@skipIfLinux # The -dead_strip linker option isn't supported on Linux versions of ld.
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@dwarf_test
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def test_with_dwarf(self):
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"""Test breakpoint works correctly with dead-code stripping."""
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self.buildDwarf()
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self.dead_strip()
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def dead_strip(self):
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"""Test breakpoint works correctly with dead-code stripping."""
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break by function name f1 (live code).
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lldbutil.run_break_set_by_symbol (self, "f1", num_expected_locations=1, module_name="a.out")
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# Break by function name f2 (dead code).
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lldbutil.run_break_set_by_symbol (self, "f2", num_expected_locations=0, module_name="a.out")
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# Break by function name f3 (live code).
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lldbutil.run_break_set_by_symbol (self, "f3", num_expected_locations=1, module_name="a.out")
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint (breakpoint #1).
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'a.out`f1',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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self.expect("breakpoint list -f 1", BREAKPOINT_HIT_ONCE,
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substrs = [' resolved, hit count = 1'])
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self.runCmd("continue")
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# The stop reason of the thread should be breakpoint (breakpoint #3).
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'a.out`f3',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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self.expect("breakpoint list -f 3", BREAKPOINT_HIT_ONCE,
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substrs = [' resolved, hit count = 1'])
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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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