99 lines
4.2 KiB
Python
99 lines
4.2 KiB
Python
""" Test that stop-on-sharedlibrary-events works and cooperates with breakpoints. """
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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 TestStopOnSharedlibraryEvents(TestBase):
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@skipIfRemote
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@skipIfWindows
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@no_debug_info_test
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def test_stopping_breakpoints(self):
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self.do_test()
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@skipIfRemote
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@skipIfWindows
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@no_debug_info_test
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def test_auto_continue(self):
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def auto_continue(bkpt):
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bkpt.SetAutoContinue(True)
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self.do_test(auto_continue)
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@skipIfRemote
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@skipIfWindows
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@no_debug_info_test
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def test_failing_condition(self):
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def condition(bkpt):
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bkpt.SetCondition("1 == 2")
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self.do_test(condition)
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@skipIfRemote
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@skipIfWindows
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@no_debug_info_test
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def test_continue_callback(self):
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def bkpt_callback(bkpt):
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bkpt.SetScriptCallbackBody("return False")
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self.do_test(bkpt_callback)
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def do_test(self, bkpt_modifier = None):
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self.build()
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main_spec = lldb.SBFileSpec("main.cpp")
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# Launch and stop before the dlopen call.
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target, process, thread, _ = lldbutil.run_to_source_breakpoint(self,
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"// Set a breakpoint here", main_spec, extra_images=["load_a",
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"load_b"])
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# Now turn on shared library events, continue and make sure we stop for the event.
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self.runCmd("settings set target.process.stop-on-sharedlibrary-events 1")
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self.addTearDownHook(lambda: self.runCmd(
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"settings set target.process.stop-on-sharedlibrary-events 0"))
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# Since I don't know how to check that we are at the "right place" to stop for
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# shared library events, make an breakpoint after the load is done and
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# make sure we don't stop there:
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backstop_bkpt_1 = target.BreakpointCreateBySourceRegex("Set another here - we should not hit this one", main_spec)
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self.assertGreater(backstop_bkpt_1.GetNumLocations(), 0, "Set our second breakpoint")
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process.Continue()
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self.assertState(process.GetState(), lldb.eStateStopped, "We didn't stop for the load")
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self.assertEqual(backstop_bkpt_1.GetHitCount(), 0, "Hit our backstop breakpoint")
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# We should be stopped after the library is loaded, check that:
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found_it = False
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for module in target.modules:
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if module.file.basename.find("load_a") > -1:
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found_it = True
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break
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self.assertTrue(found_it, "Found the loaded module.")
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# Now capture the place where we stopped so we can set a breakpoint and make
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# sure the breakpoint there works correctly:
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load_address = process.GetSelectedThread().frames[0].addr
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load_bkpt = target.BreakpointCreateBySBAddress(load_address)
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self.assertGreater(load_bkpt.GetNumLocations(), 0, "Set the load breakpoint")
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backstop_bkpt_1.SetEnabled(False)
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backstop_bkpt_2 = target.BreakpointCreateBySourceRegex("Set a third here - we should not hit this one", main_spec)
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self.assertGreater(backstop_bkpt_2.GetNumLocations(), 0, "Set our third breakpoint")
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if bkpt_modifier == None:
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process.Continue()
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self.assertState(process.GetState(), lldb.eStateStopped, "We didn't stop for the load")
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self.assertEqual(backstop_bkpt_2.GetHitCount(), 0, "Hit our backstop breakpoint")
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self.assertStopReason(thread.stop_reason, lldb.eStopReasonBreakpoint, "We attributed the stop to the breakpoint")
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self.assertEqual(load_bkpt.GetHitCount(), 1, "We hit our breakpoint at the load address")
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else:
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bkpt_modifier(load_bkpt)
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process.Continue()
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self.assertState(process.GetState(), lldb.eStateStopped, "We didn't stop")
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self.assertTrue(thread.IsValid(), "Our thread was no longer valid.")
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self.assertStopReason(thread.stop_reason, lldb.eStopReasonBreakpoint, "We didn't hit some breakpoint")
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self.assertEqual(backstop_bkpt_2.GetHitCount(), 1, "We continued to the right breakpoint")
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