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