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"""
Test the Intel(R) MPX bound violation signal.
"""
from __future__ import print_function
import os
import sys
import time
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class RegisterCommandsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipIf(compiler="clang")
@skipIf(oslist=no_match(['linux']))
@skipIf(archs=no_match(['i386', 'x86_64']))
@skipIf(oslist=["linux"], compiler="gcc", compiler_version=["<", "5"]) #GCC version >= 5 supports Intel(R) MPX.
def test_mpx_boundary_violation(self):
"""Test Intel(R) MPX bound violation signal."""
self.build()
self.mpx_boundary_violation()
def mpx_boundary_violation(self):
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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.")
if (process.GetState() == lldb.eStateStopped):
self.expect("thread backtrace", STOPPED_DUE_TO_SIGNAL,
substrs = ['stop reason = signal SIGSEGV: upper bound violation',
'fault address:', 'lower bound:', 'upper bound:'])
self.runCmd("continue")
if (process.GetState() == lldb.eStateStopped):
self.expect("thread backtrace", STOPPED_DUE_TO_SIGNAL,
substrs = ['stop reason = signal SIGSEGV: lower bound violation',
'fault address:', 'lower bound:', 'upper bound:'])
self.runCmd("continue")
self.assertTrue(process.GetState() == lldb.eStateExited,
PROCESS_EXITED)
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