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"""Test that types defined in shared libraries work correctly."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class SharedLibTestCase(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.source = "shared.c"
self.line = line_number(self.source, "// Set breakpoint 0 here.")
self.shlib_names = ["foo"]
def common_setup(self):
# Run in synchronous mode
self.dbg.SetAsync(False)
self.runCmd("settings set symbols.load-on-demand true")
# Create a target by the debugger.
self.target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(self.target, VALID_TARGET)
# Register our shared libraries for remote targets so they get
# automatically uploaded
self.environment = self.registerSharedLibrariesWithTarget(
self.target, self.shlib_names
)
ctx = self.platformContext
self.shared_lib_name = ctx.shlib_prefix + "foo." + ctx.shlib_extension
@skipIfWindows
def test_source_line_breakpoint(self):
self.build()
self.common_setup()
lldbutil.run_break_set_by_file_and_line(
self, "foo.c", 4, num_expected_locations=1, loc_exact=True
)
# Now launch the process, and do not stop at entry point.
process = self.target.LaunchSimple(
None, self.environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
thread = process.GetSelectedThread()
stack_frames = lldbutil.get_stack_frames(thread)
self.assertGreater(len(stack_frames), 2)
leaf_frame = stack_frames[0]
self.assertEqual("foo.c", leaf_frame.GetLineEntry().GetFileSpec().GetFilename())
self.assertEqual(4, leaf_frame.GetLineEntry().GetLine())
parent_frame = stack_frames[1]
self.assertEqual(
"shared.c", parent_frame.GetLineEntry().GetFileSpec().GetFilename()
)
self.assertEqual(7, parent_frame.GetLineEntry().GetLine())
@skipIfWindows
def test_symbolic_breakpoint(self):
self.build()
self.common_setup()
lldbutil.run_break_set_by_symbol(
self, "foo", sym_exact=True, num_expected_locations=1
)
# Now launch the process, and do not stop at entry point.
process = self.target.LaunchSimple(
None, self.environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
thread = process.GetSelectedThread()
stack_frames = lldbutil.get_stack_frames(thread)
self.assertGreater(len(stack_frames), 2)
leaf_frame = stack_frames[0]
self.assertEqual("foo.c", leaf_frame.GetLineEntry().GetFileSpec().GetFilename())
self.assertEqual(4, leaf_frame.GetLineEntry().GetLine())
parent_frame = stack_frames[1]
self.assertEqual(
"shared.c", parent_frame.GetLineEntry().GetFileSpec().GetFilename()
)
self.assertEqual(7, parent_frame.GetLineEntry().GetLine())
@skipIfWindows
def test_global_variable_hydration(self):
self.build()
self.common_setup()
lldbutil.run_break_set_by_file_and_line(
self, self.source, self.line, num_expected_locations=1, loc_exact=True
)
# Now launch the process, and do not stop at entry point.
process = self.target.LaunchSimple(
None, self.environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.expect(
"target variable --shlib a.out",
"Breakpoint in a.out should have hydrated the debug info",
substrs=["global_shared = 897"],
)
self.expect(
"target variable --shlib " + self.shared_lib_name,
"shared library should not have debug info by default",
matching=False,
substrs=["global_foo"],
)
self.expect(
"target variable global_foo --shlib " + self.shared_lib_name,
"Match global_foo in symbol table should hydrate debug info",
matching=True,
substrs=["global_foo = 321"],
)
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