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70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
# Copyright 2015-2018 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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standard_testfile
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if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
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unsupported "skipping x86 PKEYS tests."
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return
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}
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set comp_flags "-I${srcdir}/../nat/"
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if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
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[list debug additional_flags=${comp_flags}]] } {
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untested "failed to compile x86 PKEYS test.
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return -1
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}
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if ![runto_main] {
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untested "could not run to main"
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return -1
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}
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set supports_pkru 0
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set test "probe PKRU support"
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gdb_test_multiple "print have_pkru()" $test {
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-re ".. = 1\r\n$gdb_prompt $" {
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pass $test
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set supports_pkru 1
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}
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-re ".. = 0\r\n$gdb_prompt $" {
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pass $test
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}
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}
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if { !$supports_pkru } {
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unsupported "processor does not support protection key feature."
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return
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}
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# Test pkru register at startup
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# set test_string "0"
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gdb_test "print \$pkru" "= 0" "pkru register"
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# Read values from pseudo registers.
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gdb_breakpoint [ gdb_get_line_number "break here 1" ]
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gdb_continue_to_breakpoint "break here 1" ".*break here 1.*"
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gdb_test "info register pkru" ".*pkru.*0x12345678.*" "read pkru register"
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gdb_test "print /x \$pkru = 0x44444444" "= 0x44444444" "set pkru value"
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gdb_test "info register pkru" ".*pkru.*0x44444444.*" "read value after setting value"
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gdb_breakpoint [ gdb_get_line_number "break here 2" ]
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gdb_continue_to_breakpoint "break here 2" ".*break here 2.*"
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gdb_test "print /x rd_value" "= 0x44444444" "variable after reading pkru"
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