TestMyFirstWatchpoint.py revision 58c66e2c4273c101a82ce02e17cc10d338b825bb
158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen""" 258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny ChenTest my first lldb watchpoint. 358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen""" 458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chenimport os, time 658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chenimport unittest2 758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chenimport lldb 858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chenfrom lldbtest import * 958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 1058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chenclass HelloWatchpointTestCase(TestBase): 1158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 1258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen mydir = os.path.join("functionalities", "watchpoint", "hello_watchpoint") 1358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 1458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 1558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen def test_hello_watchpoint_with_dsym(self): 1658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen """Test a simple sequence of watchpoint creation and watchpoint hit.""" 1758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.buildDsym(dictionary=self.d) 1858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.setTearDownCleanup(dictionary=self.d) 1958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.hello_watchpoint() 2058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 2158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen def test_hello_watchpoint_with_dwarf(self): 2258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen """Test a simple sequence of watchpoint creation and watchpoint hit.""" 2358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.buildDwarf(dictionary=self.d) 2458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.setTearDownCleanup(dictionary=self.d) 2558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.hello_watchpoint() 2658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 2758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen def setUp(self): 2858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Call super's setUp(). 2958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen TestBase.setUp(self) 3058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Our simple source filename. 3158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.source = 'main.c' 3258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Find the line number to break inside main(). 3358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.line = line_number(self.source, '// Set break point at this line.') 3458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Build dictionary to have unique executable names for each test method. 3558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.exe_name = self.testMethodName 3658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name} 3758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 3858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen def hello_watchpoint(self): 3958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen """Test a simple sequence of watchpoint creation and watchpoint hit.""" 4058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen exe = os.path.join(os.getcwd(), self.exe_name) 4158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 4258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 4358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Add a breakpoint to set a watchpoint when stopped on the breakpoint. 4458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED, 4558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" % 4658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen (self.source, self.line)) 4758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 4858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Run the program. 4958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.runCmd("run", RUN_SUCCEEDED) 5058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 5158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # We should be stopped again due to the breakpoint. 5258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # The stop reason of the thread should be breakpoint. 5358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 5458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen substrs = ['stopped', 5558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 'stop reason = breakpoint']) 5658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 5758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Now let's set a write-type watchpoint for 'global'. 5858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # There should be only one watchpoint hit (see main.c). 5958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.expect("frame variable -w write -g -L global", WATCHPOINT_CREATED, 6058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen substrs = ['Watchpoint created', 'size = 4', 'type = w']) 6158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 6258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.runCmd("process continue") 6358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 6458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # We should be stopped again due to the watchpoint (write type), but 6558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # only once. The stop reason of the thread should be watchpoint. 6658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.expect("thread list", STOPPED_DUE_TO_WATCHPOINT, 6758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen substrs = ['stopped', 6858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 'stop reason = watchpoint']) 6958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 7058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.runCmd("process continue") 7158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # Don't expect the read of 'global' to trigger a stop exception. 7258c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen # The process status should be 'exited'. 7358c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen self.expect("process status", 7458c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen substrs = ['exited']) 7558c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 7658c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen 7758c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chenif __name__ == '__main__': 7858c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen import atexit 7958c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen lldb.SBDebugger.Initialize() 8058c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen atexit.register(lambda: lldb.SBDebugger.Terminate()) 8158c66e2c4273c101a82ce02e17cc10d338b825bbJohnny Chen unittest2.main() 82