95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
"""Test that types defined in shared libraries work correctly."""
|
|
|
|
|
|
import unittest2
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
import lldbsuite.test.lldbutil as lldbutil
|
|
|
|
|
|
class SharedLibTestCase(TestBase):
|
|
def common_test_expr(self, preload_symbols):
|
|
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(preload_symbols)
|
|
|
|
# This should display correctly.
|
|
self.expect(
|
|
"expression --show-types -- *my_foo_ptr",
|
|
VARIABLES_DISPLAYED_CORRECTLY,
|
|
substrs=["(foo)", "(sub_foo)", "other_element = 3"],
|
|
)
|
|
|
|
self.expect("expression GetMeASubFoo(my_foo_ptr)", startstr="(sub_foo *) $")
|
|
|
|
def test_expr(self):
|
|
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
|
|
self.common_test_expr(True)
|
|
|
|
def test_expr_no_preload(self):
|
|
"""Test that types work when defined in a shared library and forward-declared in the main executable, but with preloading disabled"""
|
|
self.common_test_expr(False)
|
|
|
|
@unittest2.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, preload_symbols=True):
|
|
# 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)
|
|
|
|
self.runCmd(
|
|
"settings set target.preload-symbols " + str(preload_symbols).lower()
|
|
)
|
|
|
|
# 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)
|