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118 lines
4.4 KiB
118 lines
4.4 KiB
"""
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Test some lldb command abbreviations.
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"""
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from __future__ import print_function
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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 ExecTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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mydir = TestBase.compute_mydir(__file__)
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@expectedFailureAll(archs=['i386'],
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oslist=no_match(["freebsd"]),
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bugnumber="rdar://28656532")
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@expectedFailureAll(oslist=["ios", "tvos", "watchos", "bridgeos"], bugnumber="rdar://problem/34559552") # this exec test has problems on ios systems
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@expectedFailureNetBSD
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@skipIfAsan # rdar://problem/43756823
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@skipIfWindows
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def test_hitting_exec (self):
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self.do_test(False)
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@expectedFailureAll(archs=['i386'],
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oslist=no_match(["freebsd"]),
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bugnumber="rdar://28656532")
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@expectedFailureAll(oslist=["ios", "tvos", "watchos", "bridgeos"], bugnumber="rdar://problem/34559552") # this exec test has problems on ios systems
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@expectedFailureNetBSD
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@skipIfAsan # rdar://problem/43756823
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@skipIfWindows
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def test_skipping_exec (self):
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self.do_test(True)
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def do_test(self, skip_exec):
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self.build()
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exe = self.getBuildArtifact("a.out")
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secondprog = self.getBuildArtifact("secondprog")
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# Create the target
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target = self.dbg.CreateTarget(exe)
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# Create any breakpoints we need
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breakpoint1 = target.BreakpointCreateBySourceRegex(
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'Set breakpoint 1 here', lldb.SBFileSpec("main.cpp", False))
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self.assertTrue(breakpoint1, VALID_BREAKPOINT)
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breakpoint2 = target.BreakpointCreateBySourceRegex(
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'Set breakpoint 2 here', lldb.SBFileSpec("secondprog.cpp", False))
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self.assertTrue(breakpoint2, VALID_BREAKPOINT)
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# Launch the process
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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if self.TraceOn():
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self.runCmd("settings show target.process.stop-on-exec", check=False)
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if skip_exec:
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self.dbg.HandleCommand("settings set target.process.stop-on-exec false")
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def cleanup():
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self.runCmd("settings set target.process.stop-on-exec false",
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check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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# The stop reason of the thread should be breakpoint.
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self.assertTrue(process.GetState() == lldb.eStateStopped,
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STOPPED_DUE_TO_BREAKPOINT)
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threads = lldbutil.get_threads_stopped_at_breakpoint(
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process, breakpoint1)
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self.assertTrue(len(threads) == 1)
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# We had a deadlock tearing down the TypeSystemMap on exec, but only if some
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# expression had been evaluated. So make sure we do that here so the teardown
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# is not trivial.
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thread = threads[0]
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value = thread.frames[0].EvaluateExpression("1 + 2")
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self.assertTrue(
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value.IsValid(),
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"Expression evaluated successfully")
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int_value = value.GetValueAsSigned()
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self.assertTrue(int_value == 3, "Expression got the right result.")
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# Run and we should stop due to exec
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process.Continue()
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if not skip_exec:
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self.assertFalse(process.GetState() == lldb.eStateExited,
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"Process should not have exited!")
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self.assertTrue(process.GetState() == lldb.eStateStopped,
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"Process should be stopped at __dyld_start")
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threads = lldbutil.get_stopped_threads(
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process, lldb.eStopReasonExec)
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self.assertTrue(
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len(threads) == 1,
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"We got a thread stopped for exec.")
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# Run and we should stop at breakpoint in main after exec
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process.Continue()
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threads = lldbutil.get_threads_stopped_at_breakpoint(
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process, breakpoint2)
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if self.TraceOn():
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for t in process.threads:
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print(t)
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if t.GetStopReason() != lldb.eStopReasonBreakpoint:
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self.runCmd("bt")
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self.assertTrue(len(threads) == 1,
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"Stopped at breakpoint in exec'ed process.")
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