gdb/testsuite/gdb.arch/i386-mpx-sigsegv.exp

   1 # Copyright (C) 2015-2017 Free Software Foundation, Inc.
   2 #
   3 # Contributed by Intel Corp. <walfred.tedeschi@intel.com>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18
  19 if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
  20     verbose "Skipping x86 MPX tests."
  21     return
  22 }
  23
  24 standard_testfile
  25
  26 set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/"
  27
  28 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  29  [list debug nowarnings additional_flags=${comp_flags}]] } {
  30     return -1
  31 }
  32
  33 if ![runto_main] {
  34     untested "could not run to main"
  35     return -1
  36 }
  37
  38 gdb_test_multiple "print have_mpx ()" "have mpx" {
  39     -re ".. = 1\r\n$gdb_prompt " {
  40         pass "check whether processor supports MPX"
  41     }
  42     -re ".. = 0\r\n$gdb_prompt " {
  43         verbose "processor does not support MPX; skipping MPX tests"
  44         return
  45     }
  46 }
  47
  48 set u_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \
  49                         "Upper bound violation while accessing address $hex" \
  50                         "Bounds: \\\[lower = $hex, upper = $hex\\\]"]
  51
  52 set l_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \
  53                         "Lower bound violation while accessing address $hex" \
  54                         "Bounds: \\\[lower = $hex, upper = $hex\\\]"]
  55
  56 for {set i 0} {$i < 15} {incr i} {
  57     set message "MPX signal segv Upper: ${i}"
  58
  59     if {[gdb_test "continue" "$u_fault.*" $message] != 0} {
  60        break
  61     }
  62
  63     gdb_test "where" ".*#0  $hex in upper.*"\
  64              "$message: should be in upper"
  65 }
  66
  67 for {set i 0} {$i < 15} {incr i} {
  68     set message "MPX signal segv Lower: ${i}"
  69
  70     if {[gdb_test "continue" "$l_fault.*" $message] != 0} {
  71        break
  72     }
  73
  74     gdb_test "where" ".*#0  $hex in lower.*"\
  75              "$message: should be in lower"
  76 }