157 lines · python
1"""Test that types defined in shared libraries work correctly."""2 3 4import lldb5from lldbsuite.test.decorators import *6from lldbsuite.test.lldbtest import *7import lldbsuite.test.lldbutil as lldbutil8 9 10class SharedLibTestCase(TestBase):11 def setUp(self):12 # Call super's setUp().13 TestBase.setUp(self)14 # Find the line number to break inside main().15 self.source = "shared.c"16 self.line = line_number(self.source, "// Set breakpoint 0 here.")17 self.shlib_names = ["foo"]18 19 def common_setup(self):20 # Run in synchronous mode21 self.dbg.SetAsync(False)22 self.runCmd("settings set symbols.load-on-demand true")23 24 # Create a target by the debugger.25 self.target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))26 self.assertTrue(self.target, VALID_TARGET)27 28 # Register our shared libraries for remote targets so they get29 # automatically uploaded30 self.environment = self.registerSharedLibrariesWithTarget(31 self.target, self.shlib_names32 )33 34 ctx = self.platformContext35 self.shared_lib_name = ctx.shlib_prefix + "foo." + ctx.shlib_extension36 37 @skipIfWindows38 def test_source_line_breakpoint(self):39 self.build()40 self.common_setup()41 42 lldbutil.run_break_set_by_file_and_line(43 self, "foo.c", 4, num_expected_locations=1, loc_exact=True44 )45 46 # Now launch the process, and do not stop at entry point.47 process = self.target.LaunchSimple(48 None, self.environment, self.get_process_working_directory()49 )50 self.assertTrue(process, PROCESS_IS_VALID)51 52 # The stop reason of the thread should be breakpoint.53 self.expect(54 "thread list",55 STOPPED_DUE_TO_BREAKPOINT,56 substrs=["stopped", "stop reason = breakpoint"],57 )58 # The breakpoint should have a hit count of 1.59 lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)60 61 thread = process.GetSelectedThread()62 stack_frames = thread.frames63 self.assertGreater(len(stack_frames), 2)64 65 leaf_frame = stack_frames[0]66 self.assertEqual("foo.c", leaf_frame.GetLineEntry().GetFileSpec().GetFilename())67 self.assertEqual(4, leaf_frame.GetLineEntry().GetLine())68 69 parent_frame = stack_frames[1]70 self.assertEqual(71 "shared.c", parent_frame.GetLineEntry().GetFileSpec().GetFilename()72 )73 self.assertEqual(7, parent_frame.GetLineEntry().GetLine())74 75 @skipIfWindows76 def test_symbolic_breakpoint(self):77 self.build()78 self.common_setup()79 80 lldbutil.run_break_set_by_symbol(81 self, "foo", sym_exact=True, num_expected_locations=182 )83 84 # Now launch the process, and do not stop at entry point.85 process = self.target.LaunchSimple(86 None, self.environment, self.get_process_working_directory()87 )88 self.assertTrue(process, PROCESS_IS_VALID)89 90 # The stop reason of the thread should be breakpoint.91 self.expect(92 "thread list",93 STOPPED_DUE_TO_BREAKPOINT,94 substrs=["stopped", "stop reason = breakpoint"],95 )96 # The breakpoint should have a hit count of 1.97 lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)98 99 thread = process.GetSelectedThread()100 stack_frames = thread.frames101 self.assertGreater(len(stack_frames), 2)102 103 leaf_frame = stack_frames[0]104 self.assertEqual("foo.c", leaf_frame.GetLineEntry().GetFileSpec().GetFilename())105 self.assertEqual(4, leaf_frame.GetLineEntry().GetLine())106 107 parent_frame = stack_frames[1]108 self.assertEqual(109 "shared.c", parent_frame.GetLineEntry().GetFileSpec().GetFilename()110 )111 self.assertEqual(7, parent_frame.GetLineEntry().GetLine())112 113 @skipIfWindows114 def test_global_variable_hydration(self):115 self.build()116 self.common_setup()117 118 lldbutil.run_break_set_by_file_and_line(119 self, self.source, self.line, num_expected_locations=1, loc_exact=True120 )121 122 # Now launch the process, and do not stop at entry point.123 process = self.target.LaunchSimple(124 None, self.environment, self.get_process_working_directory()125 )126 self.assertTrue(process, PROCESS_IS_VALID)127 128 # The stop reason of the thread should be breakpoint.129 self.expect(130 "thread list",131 STOPPED_DUE_TO_BREAKPOINT,132 substrs=["stopped", "stop reason = breakpoint"],133 )134 135 # The breakpoint should have a hit count of 1.136 lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)137 138 self.expect(139 "target variable --shlib a.out",140 "Breakpoint in a.out should have hydrated the debug info",141 substrs=["global_shared = 897"],142 )143 144 self.expect(145 "target variable --shlib " + self.shared_lib_name,146 "shared library should not have debug info by default",147 matching=False,148 substrs=["global_foo"],149 )150 151 self.expect(152 "target variable global_foo --shlib " + self.shared_lib_name,153 "Match global_foo in symbol table should hydrate debug info",154 matching=True,155 substrs=["global_foo = 321"],156 )157