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