packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/TestBoundViolation.py

   1 """
   2 Test the Intel(R) MPX bound violation signal.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import os
   9 import sys
  10 import time
  11 import re
  12 import lldb
  13 from lldbsuite.test.decorators import *
  14 from lldbsuite.test.lldbtest import *
  15 from lldbsuite.test import lldbutil
  16
  17
  18 class RegisterCommandsTestCase(TestBase):
  19
  20     mydir = TestBase.compute_mydir(__file__)
  21
  22     @skipIf(compiler="clang")
  23     @skipIf(oslist=no_match(['linux']))
  24     @skipIf(archs=no_match(['i386', 'x86_64']))
  25     @skipIf(oslist=["linux"], compiler="gcc", compiler_version=["<", "5"]) #GCC version >= 5 supports Intel(R) MPX.
  26     def test_mpx_boundary_violation(self):
  27         """Test Intel(R) MPX bound violation signal."""
  28         self.build()
  29         self.mpx_boundary_violation()
  30
  31     def mpx_boundary_violation(self):
  32         exe = os.path.join(os.getcwd(), "a.out")
  33         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  34
  35         self.runCmd("run", RUN_SUCCEEDED)
  36
  37         target = self.dbg.GetSelectedTarget()
  38         process = target.GetProcess()
  39
  40         if (process.GetState() == lldb.eStateExited):
  41             self.skipTest("Intel(R) MPX is not supported.")
  42
  43         if (process.GetState() == lldb.eStateStopped):
  44             self.expect("thread backtrace", STOPPED_DUE_TO_SIGNAL,
  45                         substrs = ['stop reason = signal SIGSEGV: upper bound violation',
  46                                    'fault address:', 'lower bound:', 'upper bound:'])
  47
  48         self.runCmd("continue")
  49
  50         if (process.GetState() == lldb.eStateStopped):
  51             self.expect("thread backtrace", STOPPED_DUE_TO_SIGNAL,
  52                         substrs = ['stop reason = signal SIGSEGV: lower bound violation',
  53                                    'fault address:', 'lower bound:', 'upper bound:'])
  54
  55         self.runCmd("continue")
  56         self.assertTrue(process.GetState() == lldb.eStateExited,
  57                         PROCESS_EXITED)