1# Copyright 2008-2020 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 16standard_testfile 17 18if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { 19 return -1 20} 21 22proc address_get { testname } { 23 global gdb_prompt 24 25 if {![runto_main]} { 26 return -1 27 } 28 29 # Do not rely on printf; some test configurations don't work with stdio. 30 31 gdb_breakpoint [gdb_get_line_number "print p"] 32 gdb_continue_to_breakpoint "$testname - address set" 33 34 gdb_test_multiple "print/x p" $testname { 35 -re "\\$\[0-9\]+ = (0x\[0-9a-f\]*)\r?\n$gdb_prompt $" { 36 pass $testname 37 return $expect_out(1,string) 38 } 39 } 40} 41 42set test "set disable-randomization off" 43gdb_test_multiple "${test}" "${test}" { 44 -re "Disabling randomization .* unsupported .*$gdb_prompt $" { 45 untested "disabling randomization is not supported on this Linux GDB" 46 return -1 47 } 48 -re "No symbol .* in current context.*$gdb_prompt $" { 49 untested "disabling randomization is not supported on this GDB platform" 50 return -1 51 } 52 -re "$gdb_prompt $" { 53 pass $test 54 } 55} 56gdb_test "show disable-randomization" \ 57 "Disabling randomization .* is off." \ 58 "show disable-randomization off" 59 60set addr1 [address_get "randomized first address"] 61set addr2 [address_get "randomized second address"] 62set test "randomized addresses should not match" 63if [string equal $addr1 $addr2] { 64 untested "no randomization detected on this system" 65 return -1 66} else { 67 pass $test 68} 69 70gdb_test_no_output "set disable-randomization on" 71gdb_test "show disable-randomization" \ 72 "Disabling randomization .* is on." \ 73 "show disable-randomization on" 74 75set addr1 [address_get "fixed first address"] 76set addr2 [address_get "fixed second address"] 77set test "fixed addresses should match" 78if [string equal $addr1 $addr2] { 79 pass $test 80} else { 81 fail $test 82} 83