1 """Test that types defined in shared libraries work correctly.""" 2 3 import os, time 4 import unittest2 5 import lldb 6 from lldbtest import * 7 import lldbutil 8 9 class SharedLibTestCase(TestBase): 10 11 mydir = os.path.join("lang", "c", "shared_lib") 12 13 @dsym_test 14 def test_expr_with_dsym(self): 15 """Test that types work when defined in a shared library and forward-declared in the main executable""" 16 self.buildDsym() 17 self.expr() 18 19 @dwarf_test 20 def test_expr_with_dwarf(self): 21 """Test that types work when defined in a shared library and forward-declared in the main executable""" 22 self.buildDwarf() 23 self.expr() 24 25 @dsym_test 26 def test_frame_variable_with_dsym(self): 27 """Test that types work when defined in a shared library and forward-declared in the main executable""" 28 self.buildDsym() 29 self.frame_var() 30 31 @dwarf_test 32 def test_frame_variable_with_dwarf(self): 33 """Test that types work when defined in a shared library and forward-declared in the main executable""" 34 self.buildDwarf() 35 self.frame_var() 36 37 def setUp(self): 38 # Call super's setUp(). 39 TestBase.setUp(self) 40 # Find the line number to break inside main(). 41 self.line = line_number('main.c', '// Set breakpoint 0 here.') 42 if sys.platform.startswith("linux"): 43 if "LD_LIBRARY_PATH" in os.environ: 44 self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.environ["LD_LIBRARY_PATH"] + ":" + os.getcwd()) 45 else: 46 self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.getcwd()) 47 self.addTearDownHook(lambda: self.runCmd("settings remove target.env-vars " + self.dylibPath)) 48 49 def common_setup(self): 50 exe = os.path.join(os.getcwd(), "a.out") 51 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 52 53 # Break inside the foo function which takes a bar_ptr argument. 54 lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line, num_expected_locations=1, loc_exact=True) 55 56 self.runCmd("run", RUN_SUCCEEDED) 57 58 # The stop reason of the thread should be breakpoint. 59 self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 60 substrs = ['stopped', 61 'stop reason = breakpoint']) 62 63 # The breakpoint should have a hit count of 1. 64 self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, 65 substrs = [' resolved, hit count = 1']) 66 67 def expr(self): 68 """Test that types work when defined in a shared library and forward-declared in the main executable""" 69 70 if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion(): 71 self.skipTest("llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef") 72 73 self.common_setup() 74 75 # This should display correctly. 76 self.expect("expression --show-types -- *my_foo_ptr", VARIABLES_DISPLAYED_CORRECTLY, 77 substrs = ["(foo)", "(sub_foo)", "other_element = 3"]) 78 79 @unittest2.expectedFailure 80 # rdar://problem/10381325 81 def frame_var(self): 82 """Test that types work when defined in a shared library and forward-declared in the main executable""" 83 self.common_setup() 84 85 # This should display correctly. 86 self.expect("frame variable --show-types -- *my_foo_ptr", VARIABLES_DISPLAYED_CORRECTLY, 87 substrs = ["(foo)", "(sub_foo)", "other_element = 3"]) 88 89 if __name__ == '__main__': 90 import atexit 91 lldb.SBDebugger.Initialize() 92 atexit.register(lambda: lldb.SBDebugger.Terminate()) 93 unittest2.main() 94
