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

   1 # Copyright 2015-2019 Free Software Foundation, Inc.
   2 #
   3 # Contributed by Intel Corp. <walfred.tedeschi@intel.com>,
   4 #                            <mircea.gherzan@intel.com>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  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 set supports_mpx 0
  39 set test "probe MPX support"
  40
  41 gdb_test_multiple "print have_mpx()" $test {
  42     -re ".. = 1\r\n$gdb_prompt $" {
  43         pass $test
  44         set supports_mpx 1
  45     }
  46     -re ".. = 0\r\n$gdb_prompt $" {
  47         pass $test
  48     }
  49 }
  50
  51 if { !$supports_mpx } {
  52     unsupported "processor does not support MPX"
  53     return
  54 }
  55
  56 gdb_breakpoint [ gdb_get_line_number "after-decl" ]
  57 gdb_breakpoint [ gdb_get_line_number "after-alloc" ]
  58 gdb_breakpoint [ gdb_get_line_number "after-assign" ]
  59
  60 gdb_test "show mpx bound 0x0" "Invalid bounds directory entry at $hex." "NULL address of the pointer"
  61
  62 gdb_continue_to_breakpoint "after-decl" ".*after-decl.*"
  63 gdb_test "show mpx bound a" "Invalid bounds directory entry at $hex." "pointer instead of pointer address"
  64
  65 gdb_continue_to_breakpoint "after-alloc" ".*after-alloc.*"
  66 gdb_test "show mpx bound a" "\\\{lbound = $hex, ubound = $hex\\\}: pointer value = $hex, size = \[8, 4\], metadata = 0x0+" "pointer after allocation"
  67
  68 gdb_continue_to_breakpoint "after-assign" ".*after-assign.*"
  69 gdb_test "show mpx bound x" "\\\{lbound = $hex, ubound = $hex\\\}: pointer value = $hex, size = \[8, 4\], metadata = 0x0+" "pointer after assignment"
  70 gdb_test "set mpx bound 0x0, 0x1, 0x2" "Invalid bounds directory entry at $hex." "set mpx bound: NULL address of the pointer"
  71 gdb_test_no_output "set mpx bound x, 0xcafebabe, 0xdeadbeef" "set mpx bound: set bounds for a valid pointer address"
  72 gdb_test "show mpx bound x" "\\\{lbound = .*cafebabe, ubound = .*deadbeef\\\}: pointer value = $hex, size = $decimal, metadata = 0x0+" "set mpx bound: bounds map entry after set mpx bound"
  73
  74
  75 gdb_test "set mpx bound 0x0, 0x1 0x2" "A syntax error in expression.*" "set mpx bound: Controlling syntax error, missing comma "
  76 gdb_test "set mpx bound 0x0, 0x1" "Wrong number of arguments.*" "set mpx bound: Controlling syntax error, missing argument "