11e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen""" 21e8a14af674e2761f257440c46c8aca34f53b951Johnny ChenTest watchpoint modify command to set condition on a watchpoint. 31e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen""" 41e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 51e8a14af674e2761f257440c46c8aca34f53b951Johnny Chenimport os, time 61e8a14af674e2761f257440c46c8aca34f53b951Johnny Chenimport unittest2 71e8a14af674e2761f257440c46c8aca34f53b951Johnny Chenimport lldb 81e8a14af674e2761f257440c46c8aca34f53b951Johnny Chenfrom lldbtest import * 9431d839a33e9a274e705f7a268a1c9de2ffc2da2Jim Inghamimport lldbutil 101e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 111e8a14af674e2761f257440c46c8aca34f53b951Johnny Chenclass WatchpointConditionCmdTestCase(TestBase): 121e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 131e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen mydir = os.path.join("functionalities", "watchpoint", "watchpoint_commands", "condition") 141e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 151e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen def setUp(self): 161e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Call super's setUp(). 171e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen TestBase.setUp(self) 181e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Our simple source filename. 191e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.source = 'main.cpp' 201e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Find the line number to break inside main(). 211e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.line = line_number(self.source, '// Set break point at this line.') 221e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # And the watchpoint variable declaration line number. 231e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.decl = line_number(self.source, '// Watchpoint variable declaration.') 241e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Build dictionary to have unique executable names for each test method. 251e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.exe_name = self.testMethodName 261e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.d = {'CXX_SOURCES': self.source, 'EXE': self.exe_name} 271e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 281e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 2921b1984e161b0cadee331d32bfd721eccfdf4b1fJohnny Chen @dsym_test 301e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen def test_watchpoint_cond_with_dsym(self): 311e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen """Test watchpoint condition.""" 321e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.buildDsym(dictionary=self.d) 331e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.setTearDownCleanup(dictionary=self.d) 341e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.watchpoint_condition() 351e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 363bf526ac0f51dda6f63be3421cd7de68720dd656Ed Maste @expectedFailureFreeBSD('llvm.org/pr16706') # Watchpoints fail on FreeBSD 3721b1984e161b0cadee331d32bfd721eccfdf4b1fJohnny Chen @dwarf_test 381e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen def test_watchpoint_cond_with_dwarf(self): 391e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen """Test watchpoint condition.""" 401e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.buildDwarf(dictionary=self.d) 411e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.setTearDownCleanup(dictionary=self.d) 421e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.watchpoint_condition() 431e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 441e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen def watchpoint_condition(self): 451e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen """Do watchpoint condition 'global==5'.""" 461e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen exe = os.path.join(os.getcwd(), self.exe_name) 471e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 481e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 491e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Add a breakpoint to set a watchpoint when stopped on the breakpoint. 50431d839a33e9a274e705f7a268a1c9de2ffc2da2Jim Ingham lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1) 511e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 521e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Run the program. 531e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.runCmd("run", RUN_SUCCEEDED) 541e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 551e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # We should be stopped again due to the breakpoint. 561e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # The stop reason of the thread should be breakpoint. 571e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 581e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen substrs = ['stopped', 591e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 'stop reason = breakpoint']) 601e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 611e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Now let's set a write-type watchpoint for 'global'. 621e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # With a condition of 'global==5'. 632b05e2937e4ff82951a0e3b288acd15d2e278ff3Johnny Chen self.expect("watchpoint set variable -w write global", WATCHPOINT_CREATED, 641e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen substrs = ['Watchpoint created', 'size = 4', 'type = w', 659351b4ff5bd824856dd9894d2005b29a020dfdd8Johnny Chen '%s:%d' % (self.source, self.decl)]) 661e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 671e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.runCmd("watchpoint modify -c 'global==5'") 681e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 691e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Use the '-v' option to do verbose listing of the watchpoint. 701e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # The hit count should be 0 initially. 711e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.expect("watchpoint list -v", 721e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen substrs = ['hit_count = 0', 'global==5']) 731e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 741e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.runCmd("process continue") 751e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 761e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # We should be stopped again due to the watchpoint (write type). 771e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # The stop reason of the thread should be watchpoint. 781e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT, 791e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen substrs = ['stop reason = watchpoint']) 806475c42148a8ea1ca86e5db465db7eca742d897dGreg Clayton self.expect("frame variable --show-globals global", 811e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen substrs = ['(int32_t)', 'global = 5']) 821e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 831e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # Use the '-v' option to do verbose listing of the watchpoint. 841e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen # The hit count should now be 2. 851e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen self.expect("watchpoint list -v", 861e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen substrs = ['hit_count = 5']) 871e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 881e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen 891e8a14af674e2761f257440c46c8aca34f53b951Johnny Chenif __name__ == '__main__': 901e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen import atexit 911e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen lldb.SBDebugger.Initialize() 921e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen atexit.register(lambda: lldb.SBDebugger.Terminate()) 931e8a14af674e2761f257440c46c8aca34f53b951Johnny Chen unittest2.main() 94