diff --git a/lldb/test/functionalities/watchpoint/watchpoint_commands/Makefile b/lldb/test/functionalities/watchpoint/watchpoint_commands/Makefile new file mode 100644 index 000000000000..b09a579159d4 --- /dev/null +++ b/lldb/test/functionalities/watchpoint/watchpoint_commands/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +C_SOURCES := main.c + +include $(LEVEL)/Makefile.rules diff --git a/lldb/test/functionalities/watchpoint/watchpoint_commands/TestWatchpointCommands.py b/lldb/test/functionalities/watchpoint/watchpoint_commands/TestWatchpointCommands.py new file mode 100644 index 000000000000..1fec982dc817 --- /dev/null +++ b/lldb/test/functionalities/watchpoint/watchpoint_commands/TestWatchpointCommands.py @@ -0,0 +1,308 @@ +""" +Test watchpoint list, enable, disable, and delete commands. +""" + +import os, time +import unittest2 +import lldb +from lldbtest import * + +class WatchpointCommandsTestCase(TestBase): + + mydir = os.path.join("functionalities", "watchpoint", "watchpoint_commands") + + 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} + + @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") + def test_rw_watchpoint_with_dsym(self): + """Test read_write watchpoint and expect to stop two times.""" + self.buildDsym(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.normal_read_write_watchpoint() + + def test_rw_watchpoint_with_dwarf(self): + """Test read_write watchpoint and expect to stop two times.""" + self.buildDwarf(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.normal_read_write_watchpoint() + + @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") + def test_rw_watchpoint_delete_with_dsym(self): + """Test delete watchpoint and expect not to stop for watchpoint.""" + self.buildDsym(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.delete_read_write_watchpoint() + + def test_rw_watchpoint_delete_with_dwarf(self): + """Test delete watchpoint and expect not to stop for watchpoint.""" + self.buildDwarf(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.delete_read_write_watchpoint() + + @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") + def test_rw_disable_after_first_stop_with_dsym(self): + """Test read_write watchpoint but disable it after the first stop.""" + self.buildDsym(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.read_write_watchpoint_disable_after_first_stop() + + def test_rw_disable_after_first_stop__with_dwarf(self): + """Test read_write watchpoint but disable it after the first stop.""" + self.buildDwarf(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.read_write_watchpoint_disable_after_first_stop() + + @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") + def test_rw_disable_then_enable_with_dsym(self): + """Test read_write watchpoint, disable initially, then enable it.""" + self.buildDsym(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.read_write_watchpoint_disable_then_enable() + + def test_rw_disable_then_enable_with_dwarf(self): + """Test read_write watchpoint, disable initially, then enable it.""" + self.buildDwarf(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.read_write_watchpoint_disable_then_enable() + + def normal_read_write_watchpoint(self): + """Do read_write watchpoint and expect to stop two times.""" + exe = os.path.join(os.getcwd(), self.exe_name) + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # Add a breakpoint to set a watchpoint when stopped on the breakpoint. + self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED, + startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" % + (self.source, self.line)) + + # 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("frame variable -w read_write -g -L 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 = ['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']) + + def delete_read_write_watchpoint(self): + """Do delete watchpoint immediately and expect not to stop for watchpoint.""" + exe = os.path.join(os.getcwd(), self.exe_name) + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # Add a breakpoint to set a watchpoint when stopped on the breakpoint. + self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED, + startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" % + (self.source, self.line)) + + # 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("frame variable -w read_write -g -L 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 set -r 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']) + + def read_write_watchpoint_disable_after_first_stop(self): + """Do read_write watchpoint but disable it after the first stop.""" + exe = os.path.join(os.getcwd(), self.exe_name) + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # Add a breakpoint to set a watchpoint when stopped on the breakpoint. + self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED, + startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" % + (self.source, self.line)) + + # 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("frame variable -w read_write -g -L 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 agian 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']) + + def read_write_watchpoint_disable_then_enable(self): + """Do read_write watchpoint, disable initially, then enable it.""" + exe = os.path.join(os.getcwd(), self.exe_name) + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # Add a breakpoint to set a watchpoint when stopped on the breakpoint. + self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED, + startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" % + (self.source, self.line)) + self.expect("breakpoint set -l %d" % self.line2, BREAKPOINT_CREATED, + startstr = "Breakpoint created: 2: file ='%s', line = %d, locations = 1" % + (self.source, self.line2)) + + # 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("frame variable -w read_write -g -L 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 agian 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']) + + +if __name__ == '__main__': + import atexit + lldb.SBDebugger.Initialize() + atexit.register(lambda: lldb.SBDebugger.Terminate()) + unittest2.main() diff --git a/lldb/test/functionalities/watchpoint/watchpoint_commands/main.c b/lldb/test/functionalities/watchpoint/watchpoint_commands/main.c new file mode 100644 index 000000000000..5aefc409d3d8 --- /dev/null +++ b/lldb/test/functionalities/watchpoint/watchpoint_commands/main.c @@ -0,0 +1,24 @@ +//===-- main.c --------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +#include +#include + +int32_t global = 10; // Watchpoint variable declaration. + +int main(int argc, char** argv) { + int local = 0; + printf("&global=%p\n", &global); + printf("about to write to 'global'...\n"); // Set break point at this line. + // When stopped, watch 'global' for write. + global = 20; + local += argc; + ++local; // Set 2nd break point for disable_then_enable test case. + printf("local: %d\n", local); + printf("global=%d\n", global); +}