| # Copyright 2015-2021 Free Software Foundation, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| standard_testfile |
| |
| if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } { |
| unsupported "skipping x86 PKEYS tests." |
| return |
| } |
| |
| set comp_flags "-I${srcdir}/../nat/" |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \ |
| [list debug additional_flags=${comp_flags}]] } { |
| untested "failed to compile x86 PKEYS test." |
| return -1 |
| } |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| set supports_pkru 0 |
| set test "probe PKRU support" |
| gdb_test_multiple "print have_pkru()" $test { |
| -re ".. = 1\r\n$gdb_prompt $" { |
| pass $test |
| set supports_pkru 1 |
| } |
| -re ".. = 0\r\n$gdb_prompt $" { |
| pass $test |
| } |
| } |
| |
| if { !$supports_pkru } { |
| unsupported "processor does not support protection key feature." |
| return |
| } |
| |
| # Test pkru register at startup |
| # set test_string "0" |
| |
| gdb_test "print \$pkru" "= 0" "pkru register" |
| |
| # Read values from pseudo registers. |
| gdb_breakpoint [ gdb_get_line_number "break here 1" ] |
| gdb_continue_to_breakpoint "break here 1" ".*break here 1.*" |
| |
| gdb_test "info register pkru" ".*pkru.*0x12345678.*" "read pkru register" |
| gdb_test "print /x \$pkru = 0x44444444" "= 0x44444444" "set pkru value" |
| gdb_test "info register pkru" ".*pkru.*0x44444444.*" "read value after setting value" |
| |
| gdb_breakpoint [ gdb_get_line_number "break here 2" ] |
| gdb_continue_to_breakpoint "break here 2" ".*break here 2.*" |
| |
| gdb_test "print /x rd_value" "= 0x44444444" "variable after reading pkru" |
