gdb/testsuite/gdb.arch/amd64-gs_base.exp

   1 # Copyright 2017-2020 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 standard_testfile
  17
  18 if { ![istarget "x86_64-*linux*"] } then {
  19     verbose "Untested x86_64 fs_base and gs_base tests."
  20     return
  21 }
  22
  23 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  24      [list debug nowarnings]] } {
  25     return -1
  26 }
  27
  28 if ![runto_main] {
  29     untested "could not run to main"
  30     return -1
  31 }
  32
  33 # Test the presence of fs_base and gs_base on the system
  34 # register group and values.
  35 #
  36 set ws "\[\t \]+"
  37 set info_reg_out [multi_line "info register sys" \
  38           "fs_base${ws}$hex${ws}$decimal"\
  39           "gs_base${ws}$hex${ws}$decimal"\
  40           "orig_rax${ws}$hex${ws}\[-\]$decimal" ]
  41 set info_reg_out_m32 [multi_line "info register sys" \
  42           "orig_eax${ws}$hex${ws}\[-\]$decimal" ]
  43
  44 set supported 0
  45 gdb_test_multiple "info register sys" "" {
  46     -re -wrap $info_reg_out {
  47         set supported 1
  48     }
  49     -re -wrap $info_reg_out_m32 {
  50     }
  51 }
  52
  53 if { ! $supported } {
  54     unsupported "target does not support fs_base and gs_base"
  55     return -1
  56 }
  57
  58 gdb_test "print /x \$fs_base" "= $hex" "print fs_base"
  59 gdb_test "print /x \$gs_base" "= $hex" "print gs_base"
  60
  61 gdb_test "print \$fs_base = 2" "= 2" "set fs_base"
  62 gdb_test "print \$gs_base = 3" "= 3" "set gs_base"
  63
  64 # Test the presence of fs_base and gs_base on the system
  65 # register group and values.
  66 #
  67 set info_reg_out [multi_line "info register sys" \
  68           "fs_base${ws}0x2${ws}2"\
  69           "gs_base${ws}0x3${ws}3"\
  70           "orig_rax${ws}$hex${ws}\[-\]$decimal" ]
  71
  72 gdb_test "info register sys" $info_reg_out\
  73    "info registers fs_base and gs_base with value"