"""Test that hidden ivars in a shared library are visible from the main executable.""" from __future__ import print_function import unittest2 import os, time import lldb from lldbsuite.test.lldbtest import * import lldbsuite.test.lldbutil as lldbutil import subprocess class HiddenIvarsTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) def setUp(self): # Call super's setUp(). TestBase.setUp(self) # Find the line number to break inside main(). self.source = 'main.m' self.line = line_number(self.source, '// breakpoint1') # The makefile names of the shared libraries as they appear in DYLIB_NAME. # The names should have no loading "lib" or extension as they will be localized self.shlib_names = ["InternalDefiner"] @skipUnlessDarwin @skipIfDwarf # This test requires a stripped binary and a dSYM @skipIfDWO # This test requires a stripped binary and a dSYM def test_expr_stripped(self): if self.getArchitecture() == 'i386': self.skipTest("requires modern objc runtime") else: self.build() self.expr(True) @skipUnlessDarwin def test_expr(self): if self.getArchitecture() == 'i386': self.skipTest("requires modern objc runtime") else: self.build() self.expr(False) @skipUnlessDarwin @skipIfDwarf # This test requires a stripped binary and a dSYM @skipIfDWO # This test requires a stripped binary and a dSYM def test_frame_variable_stripped(self): if self.getArchitecture() == 'i386': self.skipTest("requires modern objc runtime") else: self.build() self.frame_var(True) @skipUnlessDarwin def test_frame_variable(self): if self.getArchitecture() == 'i386': self.skipTest("requires modern objc runtime") else: self.build() self.frame_var(False) @unittest2.expectedFailure("rdar://18683637") @skipUnlessDarwin def test_frame_variable_across_modules(self): if self.getArchitecture() == 'i386': self.skipTest("requires modern objc runtime") else: self.build() self.common_setup(False) self.expect("frame variable k->bar", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 3"]) def common_setup(self, strip): if strip: self.assertTrue(subprocess.call(['/usr/bin/strip', '-Sx', 'libInternalDefiner.dylib']) == 0, 'stripping dylib succeeded') self.assertTrue(subprocess.call(['/bin/rm', '-rf', 'libInternalDefiner.dylib.dSYM']) == 0, 'remove dylib dSYM file succeeded') self.assertTrue(subprocess.call(['/usr/bin/strip', '-Sx', 'a.out']) == 0, 'stripping a.out succeeded') # Create a target by the debugger. target = self.dbg.CreateTarget("a.out") self.assertTrue(target, VALID_TARGET) # Create the breakpoint inside function 'main'. breakpoint = target.BreakpointCreateByLocation(self.source, self.line) self.assertTrue(breakpoint, VALID_BREAKPOINT) # 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) exe = os.path.join(os.getcwd(), "a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) # Break inside the foo function which takes a bar_ptr argument. lldbutil.run_break_set_by_file_and_line (self, "main.m", self.line, num_expected_locations=1, loc_exact=True) self.runCmd("run", RUN_SUCCEEDED) # 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']) def expr(self, strip): self.common_setup(strip) # This should display correctly. self.expect("expression (j->_definer->foo)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 4"]) self.expect("expression (j->_definer->bar)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 5"]) if strip: self.expect("expression *(j->_definer)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 4"]) else: self.expect("expression *(j->_definer)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 4", "bar = 5"]) self.expect("expression (k->foo)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 2"]) self.expect("expression (k->bar)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 3"]) self.expect("expression k.filteredDataSource", VARIABLES_DISPLAYED_CORRECTLY, substrs = [' = 0x', '"2 elements"']) if strip: self.expect("expression *(k)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 2", ' = 0x', '"2 elements"']) else: self.expect("expression *(k)", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 2", "bar = 3", '_filteredDataSource = 0x', '"2 elements"']) def frame_var(self, strip): self.common_setup(strip) # This should display correctly. self.expect("frame variable j->_definer->foo", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 4"]) if not strip: self.expect("frame variable j->_definer->bar", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 5"]) if strip: self.expect("frame variable *j->_definer", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 4"]) else: self.expect("frame variable *j->_definer", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 4", "bar = 5"]) self.expect("frame variable k->foo", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["= 2"]) self.expect("frame variable k->_filteredDataSource", VARIABLES_DISPLAYED_CORRECTLY, substrs = [' = 0x', '"2 elements"']) if strip: self.expect("frame variable *k", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 2", '_filteredDataSource = 0x', '"2 elements"']) else: self.expect("frame variable *k", VARIABLES_DISPLAYED_CORRECTLY, substrs = ["foo = 2", "bar = 3", '_filteredDataSource = 0x', '"2 elements"'])