| """ |
| Test mpx-table command. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import re |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestMPXTable(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| |
| @skipIf(compiler="clang") |
| @skipIf(oslist=no_match(['linux'])) |
| @skipIf(archs=no_match(['i386', 'x86_64'])) |
| @skipIf(compiler="gcc", compiler_version=["<", "5"]) #GCC version >= 5 supports |
| #Intel(R) Memory Protection Extensions (Intel(R) MPX). |
| def test_show_command(self): |
| """Test 'mpx-table show' command""" |
| self.build() |
| |
| lldb_exec_dir = os.environ["LLDB_IMPLIB_DIR"] |
| lldb_lib_dir = os.path.join(lldb_exec_dir, os.pardir, "lib") |
| plugin_file = os.path.join(lldb_lib_dir, "liblldbIntelFeatures.so") |
| if not os.path.isfile(plugin_file): |
| self.skipTest("features plugin missing.") |
| plugin_command = " " |
| seq = ("plugin", "load", plugin_file) |
| plugin_command = plugin_command.join(seq) |
| self.runCmd(plugin_command) |
| |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| self.b1 = line_number('main.cpp', '// Break 1.') |
| self.b2 = line_number('main.cpp', '// Break 2.') |
| self.b3 = line_number('main.cpp', '// Break 3.') |
| self.b4 = line_number('main.cpp', '// Break 4.') |
| lldbutil.run_break_set_by_file_and_line(self, "main.cpp", self.b1, num_expected_locations=1) |
| lldbutil.run_break_set_by_file_and_line(self, "main.cpp", self.b2, num_expected_locations=1) |
| lldbutil.run_break_set_by_file_and_line(self, "main.cpp", self.b3, num_expected_locations=1) |
| lldbutil.run_break_set_by_file_and_line(self, "main.cpp", self.b4, num_expected_locations=1) |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| target = self.dbg.GetSelectedTarget() |
| process = target.GetProcess() |
| |
| if (process.GetState() == lldb.eStateExited): |
| self.skipTest("Intel(R) MPX is not supported.") |
| else: |
| self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ["stop reason = breakpoint 1."]) |
| |
| self.expect("mpx-table show a", |
| substrs = ['lbound = 0x', |
| ', ubound = 0x', |
| '(pointer value = 0x', |
| ', metadata = 0x', |
| ')'], |
| error = False) |
| |
| self.expect("continue", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ["stop reason = breakpoint 2."]) |
| |
| # Check that out of scope pointer cannot be reached. |
| # |
| self.expect("mpx-table show a", |
| substrs = ['Invalid pointer.'], |
| error = True) |
| |
| self.expect("mpx-table show tmp", |
| substrs = ['lbound = 0x', |
| ', ubound = 0x', |
| '(pointer value = 0x', |
| ', metadata = 0x', |
| ')'], |
| error = False) |
| |
| self.expect("continue", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ["stop reason = breakpoint 3."]) |
| |
| # Check that the pointer value is correctly updated. |
| # |
| self.expect("mpx-table show tmp", |
| substrs = ['lbound = 0x', |
| ', ubound = 0x', |
| '(pointer value = 0x2', |
| ', metadata = 0x', |
| ')'], |
| error = False) |
| |
| self.expect("continue", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ["stop reason = breakpoint 4."]) |
| |
| # After going back to main(), check that out of scope pointer cannot be |
| # reached. |
| # |
| self.expect("mpx-table show tmp", |
| substrs = ['Invalid pointer.'], |
| error = True) |
| |
| self.expect("mpx-table show a", |
| substrs = ['lbound = 0x', |
| ', ubound = 0x', |
| '(pointer value = 0x', |
| ', metadata = 0x', |
| ')'], |
| error = False) |
| |
| def test_set_command(self): |
| """Test 'mpx-table set' command""" |
| self.build() |
| |
| lldb_exec_dir = os.environ["LLDB_IMPLIB_DIR"] |
| lldb_lib_dir = os.path.join(lldb_exec_dir, os.pardir, "lib") |
| plugin_file = os.path.join(lldb_lib_dir, "liblldbIntelFeatures.so") |
| if not os.path.isfile(plugin_file): |
| self.skipTest("features plugin missing.") |
| plugin_command = " " |
| seq = ("plugin", "load", plugin_file) |
| plugin_command = plugin_command.join(seq) |
| self.runCmd(plugin_command) |
| |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| self.b1 = line_number('main.cpp', '// Break 1.') |
| lldbutil.run_break_set_by_file_and_line(self, "main.cpp", self.b1, num_expected_locations=1) |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| target = self.dbg.GetSelectedTarget() |
| process = target.GetProcess() |
| |
| if (process.GetState() == lldb.eStateExited): |
| self.skipTest("Intel(R) MPX is not supported.") |
| else: |
| self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ["stop reason = breakpoint 1."]) |
| |
| # Check that the BT Entry doesn't already contain the test values. |
| # |
| self.expect("mpx-table show a", matching=False, |
| substrs = ['lbound = 0xcafecafe', |
| ', ubound = 0xbeefbeef']) |
| |
| # Set the test values. |
| # |
| self.expect("mpx-table set a 0xcafecafe 0xbeefbeef", error = False) |
| |
| # Verify that the test values have been correctly written in the BT |
| # entry. |
| # |
| self.expect("mpx-table show a", |
| substrs = ['lbound = 0xcafecafe', |
| ', ubound = 0xbeefbeef'], |
| error = False) |
| |
| |
