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"""
Test address breakpoints set with shared library of SBAddress work correctly.
"""
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class AddressBreakpointTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def test_address_breakpoints(self):
"""Test address breakpoints set with shared library of SBAddress work correctly."""
self.build()
self.address_breakpoints()
def address_breakpoints(self):
"""Test address breakpoints set with shared library of SBAddress work correctly."""
target = self.createTestTarget()
# Now create a breakpoint on main.c by name 'c'.
breakpoint = target.BreakpointCreateBySourceRegex(
"Set a breakpoint here", lldb.SBFileSpec("main.c")
)
self.assertTrue(
breakpoint and breakpoint.GetNumLocations() >= 1, VALID_BREAKPOINT
)
# Get the breakpoint location from breakpoint after we verified that,
# indeed, it has one location.
location = breakpoint.GetLocationAtIndex(0)
self.assertTrue(location and location.IsEnabled(), VALID_BREAKPOINT_LOCATION)
# Next get the address from the location, and create an address breakpoint using
# that address:
address = location.GetAddress()
target.BreakpointDelete(breakpoint.GetID())
breakpoint = target.BreakpointCreateBySBAddress(address)
# Disable ASLR. This will allow us to actually test (on platforms that support this flag)
# that the breakpoint was able to track the module.
launch_info = lldb.SBLaunchInfo(None)
flags = launch_info.GetLaunchFlags()
flags &= ~lldb.eLaunchFlagDisableASLR
flags &= lldb.eLaunchFlagInheritTCCFromParent
launch_info.SetLaunchFlags(flags)
error = lldb.SBError()
process = target.Launch(launch_info, error)
self.assertTrue(process, PROCESS_IS_VALID)
# Did we hit our breakpoint?
from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
threads = get_threads_stopped_at_breakpoint(process, breakpoint)
self.assertEqual(
len(threads), 1, "There should be a thread stopped at our breakpoint"
)
# The hit count for the breakpoint should be 1.
self.assertEqual(breakpoint.GetHitCount(), 1)
process.Kill()
# Now re-launch and see that we hit the breakpoint again:
launch_info.Clear()
launch_info.SetLaunchFlags(flags)
process = target.Launch(launch_info, error)
self.assertTrue(process, PROCESS_IS_VALID)
thread = get_threads_stopped_at_breakpoint(process, breakpoint)
self.assertEqual(
len(threads), 1, "There should be a thread stopped at our breakpoint"
)
# The hit count for the breakpoint should be 1, since we reset counts
# for each run.
self.assertEqual(breakpoint.GetHitCount(), 1)
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