| """ |
| Test handling of cases when a single instruction triggers multiple watchpoints |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class MultipleHitsTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows") |
| @skipIf(bugnumber="llvm.org/pr30758", oslist=["linux"], archs=["arm", "aarch64", "powerpc64le"]) |
| def test(self): |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target and target.IsValid(), VALID_TARGET) |
| |
| bp = target.BreakpointCreateByName("main") |
| self.assertTrue(bp and bp.IsValid(), "Breakpoint is valid") |
| |
| process = target.LaunchSimple(None, None, |
| self.get_process_working_directory()) |
| self.assertEqual(process.GetState(), lldb.eStateStopped) |
| |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) |
| self.assertIsNotNone(thread) |
| |
| frame = thread.GetFrameAtIndex(0) |
| self.assertTrue(frame and frame.IsValid(), "Frame is valid") |
| |
| buf = frame.FindValue("buf", lldb.eValueTypeVariableGlobal) |
| self.assertTrue(buf and buf.IsValid(), "buf is valid") |
| |
| for i in [0, target.GetAddressByteSize()]: |
| member = buf.GetChildAtIndex(i) |
| self.assertTrue(member and member.IsValid(), "member is valid") |
| |
| error = lldb.SBError() |
| watch = member.Watch(True, True, True, error) |
| self.assertTrue(error.Success()) |
| |
| process.Continue(); |
| self.assertEqual(process.GetState(), lldb.eStateStopped) |
| self.assertEqual(thread.GetStopReason(), lldb.eStopReasonWatchpoint) |
| |
