96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
"""Test that types defined in shared libraries work correctly."""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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import lldbsuite.test.lldbutil as lldbutil
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class SharedLibTestCase(TestBase):
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def common_test_expr(self, preload_symbols):
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if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion():
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self.skipTest(
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"llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef")
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self.build()
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self.common_setup(preload_symbols)
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# This should display correctly.
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self.expect(
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"expression --show-types -- *my_foo_ptr",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"(foo)",
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"(sub_foo)",
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"other_element = 3"])
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self.expect(
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"expression GetMeASubFoo(my_foo_ptr)",
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startstr="(sub_foo *) $")
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def test_expr(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.common_test_expr(True)
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def test_expr_no_preload(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable, but with preloading disabled"""
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self.common_test_expr(False)
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@expectedFailure("llvm.org/PR36712")
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def test_frame_variable(self):
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"""Test that types work when defined in a shared library and forward-declared in the main executable"""
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self.build()
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self.common_setup()
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# This should display correctly.
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self.expect(
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"frame variable --show-types -- *my_foo_ptr",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"(foo)",
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"(sub_foo)",
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"other_element = 3"])
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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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# Find the line number to break inside main().
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self.source = 'main.c'
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self.line = line_number(self.source, '// Set breakpoint 0 here.')
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self.shlib_names = ["foo"]
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def common_setup(self, preload_symbols = True):
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# Run in synchronous mode
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self.dbg.SetAsync(False)
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
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self.assertTrue(target, VALID_TARGET)
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self.runCmd("settings set target.preload-symbols " + str(preload_symbols).lower())
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# Break inside the foo function which takes a bar_ptr argument.
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lldbutil.run_break_set_by_file_and_line(
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self, self.source, self.line, num_expected_locations=1, loc_exact=True)
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# Register our shared libraries for remote targets so they get
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# automatically uploaded
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environment = self.registerSharedLibrariesWithTarget(
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target, self.shlib_names)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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None, environment, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
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