| """Test that types defined in shared libraries work correctly.""" |
| |
| from __future__ import print_function |
| |
| |
| import unittest2 |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| import lldbsuite.test.lldbutil as lldbutil |
| |
| |
| class SharedLibTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| 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 *) $") |
| |
| @expectedFailureAll(oslist=["windows"]) |
| 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) |
| |
| @expectedFailureAll(oslist=["windows"]) |
| 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. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, |
| substrs=[' resolved, hit count = 1']) |
