232 lines
7 KiB
Python
232 lines
7 KiB
Python
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"""Test that hidden ivars in a shared library are visible from the main executable."""
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import subprocess
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import unittest2
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class HiddenIvarsTestCase(TestBase):
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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
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# localized
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self.shlib_names = ["InternalDefiner"]
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@skipIf(
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debug_info=no_match("dsym"),
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bugnumber="This test requires a stripped binary and a dSYM",
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)
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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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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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@skipIf(
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debug_info=no_match("dsym"),
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bugnumber="This test requires a stripped binary and a dSYM",
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)
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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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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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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(
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"frame variable k->bar", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 3"]
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)
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def common_setup(self, strip):
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if strip:
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exe = self.getBuildArtifact("stripped/a.out")
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else:
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exe = self.getBuildArtifact("a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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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
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# 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(
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None, environment, self.get_process_working_directory()
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)
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self.assertTrue(process, PROCESS_IS_VALID)
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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(
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self, "main.m", self.line, num_expected_locations=1, loc_exact=True
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)
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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(
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"thread list",
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STOPPED_DUE_TO_BREAKPOINT,
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substrs=["stopped", "stop reason = breakpoint"],
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)
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# The breakpoint should have a hit count of 1.
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lldbutil.check_breakpoint(self, bpno=1, expected_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(
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"expression (j->_definer->foo)",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["= 4"],
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)
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self.expect(
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"expression (j->_definer->bar)",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["= 5"],
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)
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if strip:
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self.expect(
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"expression *(j->_definer)",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["foo = 4"],
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)
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else:
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self.expect(
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"expression *(j->_definer)",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["foo = 4", "bar = 5"],
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)
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self.expect(
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"expression (k->foo)", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 2"]
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)
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self.expect(
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"expression (k->bar)", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 3"]
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)
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self.expect(
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"expression k.filteredDataSource",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[" = 0x", '"2 elements"'],
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)
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if strip:
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self.expect(
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"expression *(k)",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["foo = 2", " = 0x", '"2 elements"'],
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)
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else:
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self.expect(
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"expression *(k)",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"foo = 2",
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"bar = 3",
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"_filteredDataSource = 0x",
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'"2 elements"',
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],
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)
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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(
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"frame variable j->_definer->foo",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["= 4"],
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)
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if not strip:
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self.expect(
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"frame variable j->_definer->bar",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["= 5"],
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)
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if strip:
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self.expect(
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"frame variable *j->_definer",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["foo = 4"],
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)
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else:
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self.expect(
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"frame variable *j->_definer",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["foo = 4", "bar = 5"],
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)
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self.expect(
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"frame variable k->foo", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 2"]
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)
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self.expect(
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"frame variable k->_filteredDataSource",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[" = 0x", '"2 elements"'],
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)
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if strip:
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self.expect(
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"frame variable *k",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=["foo = 2", "_filteredDataSource = 0x", '"2 elements"'],
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)
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else:
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self.expect(
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"frame variable *k",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"foo = 2",
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"bar = 3",
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"_filteredDataSource = 0x",
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'"2 elements"',
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],
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)
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