diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test')
3 files changed, 131 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/Makefile new file mode 100644 index 00000000000..b09a579159d --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +C_SOURCES := main.c + +include $(LEVEL)/Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/TestWatchpointMultipleSlots.py b/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/TestWatchpointMultipleSlots.py new file mode 100644 index 00000000000..2e58cb893b7 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/TestWatchpointMultipleSlots.py @@ -0,0 +1,97 @@ +""" +Test watchpoint slots we should not be able to install multiple watchpoints +within same word boundary. We should be able to install individual watchpoints +on any of the bytes, half-word, or word. This is only for ARM/AArch64 targets. +""" + +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 WatchpointSlotsTestCase(TestBase): + NO_DEBUG_INFO_TESTCASE = True + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + + # Source filename. + self.source = 'main.c' + + # Output filename. + self.exe_name = 'a.out' + self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name} + + # Watchpoints not supported + @expectedFailureAndroid(archs=['arm', 'aarch64']) + # This is a arm and aarch64 specific test case. No other architectures tested. + @skipIf(archs=no_match(['arm', 'aarch64'])) + def test_multiple_watchpoints_on_same_word(self): + + 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) + + # Detect line number after which we are going to increment arrayName. + loc_line = line_number('main.c', '// About to write byteArray') + + # Set a breakpoint on the line detected above. + lldbutil.run_break_set_by_file_and_line( + self, "main.c", loc_line, num_expected_locations=1, loc_exact=True) + + # Run the program. + self.runCmd("run", RUN_SUCCEEDED) + + # The stop reason of the thread should be breakpoint. + self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, + substrs=['stopped', 'stop reason = breakpoint']) + + # Delete breakpoint we just hit. + self.expect("breakpoint delete 1", substrs=['1 breakpoints deleted']) + + # Set a watchpoint at byteArray[0] + self.expect("watchpoint set variable byteArray[0]", WATCHPOINT_CREATED, + substrs=['Watchpoint created','size = 1']) + + # Use the '-v' option to do verbose listing of the watchpoint. + # The hit count should be 0 initially. + self.expect("watchpoint list -v 1", substrs=['hit_count = 0']) + + # Try setting a watchpoint at byteArray[1] + self.expect("watchpoint set variable byteArray[1]", error=True, + substrs=['Watchpoint creation failed']) + + self.runCmd("process continue") + + # We should be stopped due to the watchpoint. + # The stop reason of the thread should be watchpoint. + self.expect("thread list", STOPPED_DUE_TO_WATCHPOINT, + substrs=['stopped', 'stop reason = watchpoint 1']) + + # Delete the watchpoint we hit above successfully. + self.expect("watchpoint delete 1", substrs=['1 watchpoints deleted']) + + # Set a watchpoint at byteArray[3] + self.expect("watchpoint set variable byteArray[3]", WATCHPOINT_CREATED, + substrs=['Watchpoint created','size = 1']) + + # Resume inferior. + self.runCmd("process continue") + + # We should be stopped due to the watchpoint. + # The stop reason of the thread should be watchpoint. + self.expect("thread list -v", STOPPED_DUE_TO_WATCHPOINT, + substrs=['stopped', 'stop reason = watchpoint 3']) + + # Resume inferior. + self.runCmd("process continue") diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/main.c b/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/main.c new file mode 100644 index 00000000000..fd14a9b353f --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/watchpoint/multi_watchpoint_slots/main.c @@ -0,0 +1,29 @@ +//===-- 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> + +uint64_t pad0 = 0; +uint8_t byteArray[4] = {0}; +uint64_t pad1 = 0; + +int main(int argc, char** argv) { + + int i; + + for (i = 0; i < 4; i++) + { + printf("About to write byteArray[%d] ...\n", i); // About to write byteArray + pad0++; + byteArray[i] = 7; + pad1++; + } + + return 0; +} |
