diff --git a/lldb/test/functionalities/watchpoint/hello_watchpoint/Makefile b/lldb/test/functionalities/watchpoint/hello_watchpoint/Makefile new file mode 100644 index 000000000000..b09a579159d4 --- /dev/null +++ b/lldb/test/functionalities/watchpoint/hello_watchpoint/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +C_SOURCES := main.c + +include $(LEVEL)/Makefile.rules diff --git a/lldb/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py b/lldb/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py new file mode 100644 index 000000000000..eda236ef30c0 --- /dev/null +++ b/lldb/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py @@ -0,0 +1,81 @@ +""" +Test my first lldb watchpoint. +""" + +import os, time +import unittest2 +import lldb +from lldbtest import * + +class HelloWatchpointTestCase(TestBase): + + mydir = os.path.join("functionalities", "watchpoint", "hello_watchpoint") + + @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") + def test_hello_watchpoint_with_dsym(self): + """Test a simple sequence of watchpoint creation and watchpoint hit.""" + self.buildDsym(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.hello_watchpoint() + + def test_hello_watchpoint_with_dwarf(self): + """Test a simple sequence of watchpoint creation and watchpoint hit.""" + self.buildDwarf(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + self.hello_watchpoint() + + 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.') + # 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} + + def hello_watchpoint(self): + """Test a simple sequence of watchpoint creation and watchpoint hit.""" + 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 write-type watchpoint for 'global'. + # There should be only one watchpoint hit (see main.c). + self.expect("frame variable -w write -g -L global", WATCHPOINT_CREATED, + substrs = ['Watchpoint created', 'size = 4', 'type = w']) + + self.runCmd("process continue") + + # We should be stopped again due to the watchpoint (write type), but + # only once. The stop reason of the thread should be watchpoint. + self.expect("thread list", STOPPED_DUE_TO_WATCHPOINT, + substrs = ['stopped', + 'stop reason = watchpoint']) + + self.runCmd("process continue") + # Don't expect the read of 'global' to trigger a stop exception. + # The process status should be 'exited'. + self.expect("process status", + substrs = ['exited']) + + +if __name__ == '__main__': + import atexit + lldb.SBDebugger.Initialize() + atexit.register(lambda: lldb.SBDebugger.Terminate()) + unittest2.main() diff --git a/lldb/test/functionalities/watchpoint/hello_watchpoint/main.c b/lldb/test/functionalities/watchpoint/hello_watchpoint/main.c new file mode 100644 index 000000000000..4b41503dd465 --- /dev/null +++ b/lldb/test/functionalities/watchpoint/hello_watchpoint/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; + +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; + printf("local: %d\n", local); + printf("global=%d\n", global); +} diff --git a/lldb/test/lldbtest.py b/lldb/test/lldbtest.py index 1c158a00655f..8af7185b854b 100644 --- a/lldb/test/lldbtest.py +++ b/lldb/test/lldbtest.py @@ -176,6 +176,8 @@ STOPPED_DUE_TO_SIGNAL = "Process state is stopped due to signal" STOPPED_DUE_TO_STEP_IN = "Process state is stopped due to step in" +STOPPED_DUE_TO_WATCHPOINT = "Process should be stopped due to watchpoint" + DATA_TYPES_DISPLAYED_CORRECTLY = "Data type(s) displayed correctly" VALID_BREAKPOINT = "Got a valid breakpoint" @@ -198,6 +200,7 @@ VALID_VARIABLE = "Got a valid variable" VARIABLES_DISPLAYED_CORRECTLY = "Variable(s) displayed correctly" +WATCHPOINT_CREATED = "Watchpoint created successfully" def CMD_MSG(str): '''A generic "Command '%s' returns successfully" message generator.'''