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"""Test that types defined in shared libraries with stripped symbols work correctly."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class SharedLibStrippedTestCase(TestBase):
@expectedFailureAll(oslist=["windows"])
def test_expr(self):
"""Test that types work when defined in a shared library and forwa/d-declared in the main executable"""
if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion():
self.skipTest(
"llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef"
)
self.build()
self.common_setup()
# This should display correctly.
self.expect(
"expression --show-types -- *my_foo_ptr",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(foo)", "(sub_foo)", "other_element = 3"],
)
@expectedFailureAll(oslist=["windows"])
@expectedFailure("llvm.org/PR36712")
def test_frame_variable(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.build()
self.common_setup()
# This should display correctly.
self.expect(
"frame variable --show-types -- *my_foo_ptr",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(foo)", "(sub_foo)", "other_element = 3"],
)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.source = "main.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)
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(
self, self.source, self.line, num_expected_locations=1, loc_exact=True
)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(target, self.shlib_names)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, 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)
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