lldb/test/API/commands/watchpoints/multiple_hits/TestMultipleHits.py

   1 """
   2 Test handling of cases when a single instruction triggers multiple watchpoints
   3 """
   4
   5
   6 import lldb
   7 from lldbsuite.test.decorators import *
   8 from lldbsuite.test.lldbtest import *
   9 from lldbsuite.test import lldbutil
  10
  11
  12 class MultipleHitsTestCase(TestBase):
  13     NO_DEBUG_INFO_TESTCASE = True
  14
  15     @skipIf(
  16         bugnumber="llvm.org/pr30758",
  17         oslist=["linux"],
  18         archs=["arm", "aarch64", "powerpc64le"],
  19     )
  20     @skipIfwatchOS
  21     def test(self):
  22         self.build()
  23         target = self.createTestTarget()
  24
  25         bp = target.BreakpointCreateByName("main")
  26         self.assertTrue(bp and bp.IsValid(), "Breakpoint is valid")
  27
  28         process = target.LaunchSimple(None, None, self.get_process_working_directory())
  29         self.assertState(process.GetState(), lldb.eStateStopped)
  30
  31         thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
  32         self.assertIsNotNone(thread)
  33
  34         frame = thread.GetFrameAtIndex(0)
  35         self.assertTrue(frame and frame.IsValid(), "Frame is valid")
  36
  37         buf = frame.FindValue("buf", lldb.eValueTypeVariableGlobal)
  38         self.assertTrue(buf and buf.IsValid(), "buf is valid")
  39
  40         for i in [0, target.GetAddressByteSize()]:
  41             member = buf.GetChildAtIndex(i)
  42             self.assertTrue(member and member.IsValid(), "member is valid")
  43
  44             error = lldb.SBError()
  45             watch = member.Watch(True, True, True, error)
  46             self.assertSuccess(error)
  47
  48         process.Continue()
  49         self.assertState(process.GetState(), lldb.eStateStopped)
  50         self.assertStopReason(thread.GetStopReason(), lldb.eStopReasonWatchpoint)