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