| """ |
| Test watchpoint list, enable, disable, and delete commands. |
| """ |
| |
| 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 WatchpointCommandsTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Our simple source filename. |
| self.source = 'main.c' |
| # Find the line number to break inside main(). |
| self.line = line_number( |
| self.source, '// Set break point at this line.') |
| self.line2 = line_number( |
| self.source, |
| '// Set 2nd break point for disable_then_enable test case.') |
| # And the watchpoint variable declaration line number. |
| self.decl = line_number(self.source, |
| '// Watchpoint variable declaration.') |
| # Build dictionary to have unique executable names for each test |
| # method. |
| self.exe_name = self.testMethodName |
| self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name} |
| |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows") |
| # Read-write watchpoints not supported on SystemZ |
| @expectedFailureAll(archs=['s390x']) |
| def test_rw_watchpoint(self): |
| """Test read_write watchpoint and expect to stop two times.""" |
| self.build(dictionary=self.d) |
| self.setTearDownCleanup(dictionary=self.d) |
| |
| exe = self.getBuildArtifact(self.exe_name) |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add a breakpoint to set a watchpoint when stopped on the breakpoint. |
| lldbutil.run_break_set_by_file_and_line( |
| self, None, self.line, num_expected_locations=1) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # We should be stopped again due to the breakpoint. |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # Now let's set a read_write-type watchpoint for 'global'. |
| # There should be two watchpoint hits (see main.c). |
| self.expect( |
| "watchpoint set variable -w read_write global", |
| WATCHPOINT_CREATED, |
| substrs=[ |
| 'Watchpoint created', |
| 'size = 4', |
| 'type = rw', |
| '%s:%d' % |
| (self.source, |
| self.decl)]) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # The hit count should be 0 initially. |
| self.expect("watchpoint list -v", |
| substrs=['Number of supported hardware watchpoints:', |
| 'hit_count = 0']) |
| |
| self.runCmd("process continue") |
| |
| # We should be stopped again due to the watchpoint (read_write type). |
| # The stop reason of the thread should be watchpoint. |
| self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT, |
| substrs=['stop reason = watchpoint']) |
| |
| self.runCmd("process continue") |
| |
| # We should be stopped again due to the watchpoint (read_write type). |
| # The stop reason of the thread should be watchpoint. |
| self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT, |
| substrs=['stop reason = watchpoint']) |
| |
| self.runCmd("process continue") |
| |
| # There should be no more watchpoint hit and the process status should |
| # be 'exited'. |
| self.expect("process status", |
| substrs=['exited']) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # The hit count should now be 2. |
| self.expect("watchpoint list -v", |
| substrs=['hit_count = 2']) |
| |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows") |
| # Read-write watchpoints not supported on SystemZ |
| @expectedFailureAll(archs=['s390x']) |
| def test_rw_watchpoint_delete(self): |
| """Test delete watchpoint and expect not to stop for watchpoint.""" |
| self.build(dictionary=self.d) |
| self.setTearDownCleanup(dictionary=self.d) |
| |
| exe = self.getBuildArtifact(self.exe_name) |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add a breakpoint to set a watchpoint when stopped on the breakpoint. |
| lldbutil.run_break_set_by_file_and_line( |
| self, None, self.line, num_expected_locations=1) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # We should be stopped again due to the breakpoint. |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # Now let's set a read_write-type watchpoint for 'global'. |
| # There should be two watchpoint hits (see main.c). |
| self.expect( |
| "watchpoint set variable -w read_write global", |
| WATCHPOINT_CREATED, |
| substrs=[ |
| 'Watchpoint created', |
| 'size = 4', |
| 'type = rw', |
| '%s:%d' % |
| (self.source, |
| self.decl)]) |
| |
| # Delete the watchpoint immediately, but set auto-confirm to true |
| # first. |
| self.runCmd("settings set auto-confirm true") |
| self.expect("watchpoint delete", |
| substrs=['All watchpoints removed.']) |
| # Restore the original setting of auto-confirm. |
| self.runCmd("settings clear auto-confirm") |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| self.runCmd("watchpoint list -v") |
| |
| self.runCmd("process continue") |
| |
| # There should be no more watchpoint hit and the process status should |
| # be 'exited'. |
| self.expect("process status", |
| substrs=['exited']) |
| |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows") |
| # Read-write watchpoints not supported on SystemZ |
| @expectedFailureAll(archs=['s390x']) |
| def test_rw_watchpoint_set_ignore_count(self): |
| """Test watchpoint ignore count and expect to not to stop at all.""" |
| self.build(dictionary=self.d) |
| self.setTearDownCleanup(dictionary=self.d) |
| |
| exe = self.getBuildArtifact(self.exe_name) |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add a breakpoint to set a watchpoint when stopped on the breakpoint. |
| lldbutil.run_break_set_by_file_and_line( |
| self, None, self.line, num_expected_locations=1) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # We should be stopped again due to the breakpoint. |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # Now let's set a read_write-type watchpoint for 'global'. |
| # There should be two watchpoint hits (see main.c). |
| self.expect( |
| "watchpoint set variable -w read_write global", |
| WATCHPOINT_CREATED, |
| substrs=[ |
| 'Watchpoint created', |
| 'size = 4', |
| 'type = rw', |
| '%s:%d' % |
| (self.source, |
| self.decl)]) |
| |
| # Set the ignore count of the watchpoint immediately. |
| self.expect("watchpoint ignore -i 2", |
| substrs=['All watchpoints ignored.']) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # Expect to find an ignore_count of 2. |
| self.expect("watchpoint list -v", |
| substrs=['hit_count = 0', 'ignore_count = 2']) |
| |
| self.runCmd("process continue") |
| |
| # There should be no more watchpoint hit and the process status should |
| # be 'exited'. |
| self.expect("process status", |
| substrs=['exited']) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # Expect to find a hit_count of 2 as well. |
| self.expect("watchpoint list -v", |
| substrs=['hit_count = 2', 'ignore_count = 2']) |
| |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows") |
| # Read-write watchpoints not supported on SystemZ |
| @expectedFailureAll(archs=['s390x']) |
| def test_rw_disable_after_first_stop(self): |
| """Test read_write watchpoint but disable it after the first stop.""" |
| self.build(dictionary=self.d) |
| self.setTearDownCleanup(dictionary=self.d) |
| |
| exe = self.getBuildArtifact(self.exe_name) |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add a breakpoint to set a watchpoint when stopped on the breakpoint. |
| lldbutil.run_break_set_by_file_and_line( |
| self, None, self.line, num_expected_locations=1) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # We should be stopped again due to the breakpoint. |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # Now let's set a read_write-type watchpoint for 'global'. |
| # There should be two watchpoint hits (see main.c). |
| self.expect( |
| "watchpoint set variable -w read_write global", |
| WATCHPOINT_CREATED, |
| substrs=[ |
| 'Watchpoint created', |
| 'size = 4', |
| 'type = rw', |
| '%s:%d' % |
| (self.source, |
| self.decl)]) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # The hit count should be 0 initially. |
| self.expect("watchpoint list -v", |
| substrs=['state = enabled', 'hit_count = 0']) |
| |
| self.runCmd("process continue") |
| |
| # We should be stopped again due to the watchpoint (read_write type). |
| # The stop reason of the thread should be watchpoint. |
| self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT, |
| substrs=['stop reason = watchpoint']) |
| |
| # Before continuing, we'll disable the watchpoint, which means we won't |
| # stop again after this. |
| self.runCmd("watchpoint disable") |
| |
| self.expect("watchpoint list -v", |
| substrs=['state = disabled', 'hit_count = 1']) |
| |
| self.runCmd("process continue") |
| |
| # There should be no more watchpoint hit and the process status should |
| # be 'exited'. |
| self.expect("process status", |
| substrs=['exited']) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # The hit count should be 1. |
| self.expect("watchpoint list -v", |
| substrs=['hit_count = 1']) |
| |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows") |
| # Read-write watchpoints not supported on SystemZ |
| @expectedFailureAll(archs=['s390x']) |
| def test_rw_disable_then_enable(self): |
| """Test read_write watchpoint, disable initially, then enable it.""" |
| self.build(dictionary=self.d) |
| self.setTearDownCleanup(dictionary=self.d) |
| |
| exe = self.getBuildArtifact(self.exe_name) |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add a breakpoint to set a watchpoint when stopped on the breakpoint. |
| lldbutil.run_break_set_by_file_and_line( |
| self, None, self.line, num_expected_locations=1) |
| lldbutil.run_break_set_by_file_and_line( |
| self, None, self.line2, num_expected_locations=1) |
| |
| # Run the program. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # We should be stopped again due to the breakpoint. |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # Now let's set a read_write-type watchpoint for 'global'. |
| # There should be two watchpoint hits (see main.c). |
| self.expect( |
| "watchpoint set variable -w read_write global", |
| WATCHPOINT_CREATED, |
| substrs=[ |
| 'Watchpoint created', |
| 'size = 4', |
| 'type = rw', |
| '%s:%d' % |
| (self.source, |
| self.decl)]) |
| |
| # Immediately, we disable the watchpoint. We won't be stopping due to a |
| # watchpoint after this. |
| self.runCmd("watchpoint disable") |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # The hit count should be 0 initially. |
| self.expect("watchpoint list -v", |
| substrs=['state = disabled', 'hit_count = 0']) |
| |
| self.runCmd("process continue") |
| |
| # We should be stopped again due to the breakpoint. |
| self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stop reason = breakpoint']) |
| |
| # Before continuing, we'll enable the watchpoint, which means we will |
| # stop again after this. |
| self.runCmd("watchpoint enable") |
| |
| self.expect("watchpoint list -v", |
| substrs=['state = enabled', 'hit_count = 0']) |
| |
| self.runCmd("process continue") |
| |
| # We should be stopped again due to the watchpoint (read_write type). |
| # The stop reason of the thread should be watchpoint. |
| self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT, |
| substrs=['stop reason = watchpoint']) |
| |
| self.runCmd("process continue") |
| |
| # There should be no more watchpoint hit and the process status should |
| # be 'exited'. |
| self.expect("process status", |
| substrs=['exited']) |
| |
| # Use the '-v' option to do verbose listing of the watchpoint. |
| # The hit count should be 1. |
| self.expect("watchpoint list -v", |
| substrs=['hit_count = 1']) |
