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

   1 # Copyright (C) 2015-2020 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 if { ![supports_mpx_check_pointer_bounds] } {
  27     return -1
  28 }
  29
  30 set comp_flags "-mmpx -fcheck-pointer-bounds -I${srcdir}/../nat/"
  31
  32 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  33  [list debug nowarnings additional_flags=${comp_flags}]] } {
  34     return -1
  35 }
  36
  37 if ![runto_main] {
  38     untested "could not run to main"
  39     return -1
  40 }
  41
  42 gdb_test_multiple "print have_mpx ()" "have mpx" {
  43     -re ".. = 1\r\n$gdb_prompt " {
  44         pass "check whether processor supports MPX"
  45     }
  46     -re ".. = 0\r\n$gdb_prompt " {
  47         verbose "processor does not support MPX; skipping MPX tests"
  48         return
  49     }
  50 }
  51
  52 set u_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \
  53                         "Upper bound violation while accessing address $hex" \
  54                         "Bounds: \\\[lower = $hex, upper = $hex\\\]"]
  55
  56 set l_fault [multi_line "Program received signal SIGSEGV, Segmentation fault" \
  57                         "Lower bound violation while accessing address $hex" \
  58                         "Bounds: \\\[lower = $hex, upper = $hex\\\]"]
  59
  60 for {set i 0} {$i < 15} {incr i} {
  61     set message "MPX signal segv Upper: ${i}"
  62
  63     if {[gdb_test "continue" "$u_fault.*" $message] != 0} {
  64        break
  65     }
  66
  67     gdb_test "where" ".*#0  $hex in upper.*"\
  68              "$message: should be in upper"
  69 }
  70
  71 for {set i 0} {$i < 15} {incr i} {
  72     set message "MPX signal segv Lower: ${i}"
  73
  74     if {[gdb_test "continue" "$l_fault.*" $message] != 0} {
  75        break
  76     }
  77
  78     gdb_test "where" ".*#0  $hex in lower.*"\
  79              "$message: should be in lower"
  80 }