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Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint')
3 files changed, 119 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/Makefile b/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/Makefile new file mode 100644 index 000000000000..b09a579159d4 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +C_SOURCES := main.c + +include $(LEVEL)/Makefile.rules diff --git a/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py b/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py new file mode 100644 index 000000000000..57467c38d5f8 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py @@ -0,0 +1,84 @@ +""" +Test my first lldb watchpoint. +""" + +from __future__ import print_function + + + +import os, time +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil + +class HelloWatchpointTestCase(TestBase): + + def getCategories (self): + return ['basic_process'] + + 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.') + # And the watchpoint variable declaration line number. + self.decl = line_number(self.source, '// Watchpoint variable declaration.') + self.exe_name = 'a.out' + self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name} + + @expectedFailureAndroid(archs=['arm', 'aarch64']) # Watchpoints not supported + @expectedFailureWindows("llvm.org/pr24446") + def test_hello_watchpoint_using_watchpoint_set(self): + """Test a simple sequence of watchpoint creation and watchpoint hit.""" + self.build(dictionary=self.d) + self.setTearDownCleanup(dictionary=self.d) + + 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. + 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 write-type watchpoint for 'global'. + # There should be only one watchpoint hit (see main.c). + self.expect("watchpoint set variable -w write global", WATCHPOINT_CREATED, + substrs = ['Watchpoint created', 'size = 4', 'type = w', + '%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 (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. + process = self.dbg.GetSelectedTarget().GetProcess() + if process.GetState() == lldb.eStateStopped: + self.assertFalse(lldbutil.get_stopped_thread(process, lldb.eStopReasonWatchpoint)) + + # Use the '-v' option to do verbose listing of the watchpoint. + # The hit count should now be 1. + self.expect("watchpoint list -v", + substrs = ['hit_count = 1']) diff --git a/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/main.c b/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/main.c new file mode 100644 index 000000000000..11a738a0de43 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchpoint/main.c @@ -0,0 +1,30 @@ +//===-- 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 <stdio.h> +#include <stdint.h> + +int32_t global = 10; // Watchpoint variable declaration. +char gchar1 = 'a'; +char gchar2 = 'b'; + +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; + gchar1 += 1; + gchar2 += 1; + local += argc; + ++local; + printf("local: %d\n", local); + printf("global=%d\n", global); + printf("gchar1='%c'\n", gchar1); + printf("gchar2='%c'\n", gchar2); +} |