| 1 | # Copyright 2008-2019 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 {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { |
| 19 | return -1 |
| 20 | } |
| 21 | |
| 22 | proc address_get { testname } { |
| 23 | global gdb_prompt |
| 24 | |
| 25 | if {![runto_main]} { |
| 26 | return -1 |
| 27 | } |
| 28 | |
| 29 | # Do not rely on printf; some test configurations don't work with stdio. |
| 30 | |
| 31 | gdb_breakpoint [gdb_get_line_number "print p"] |
| 32 | gdb_continue_to_breakpoint "$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 $expect_out(1,string) |
| 38 | } |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | set test "set disable-randomization off" |
| 43 | gdb_test_multiple "${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 | } |
| 56 | gdb_test "show disable-randomization" \ |
| 57 | "Disabling randomization .* is off." \ |
| 58 | "show disable-randomization off" |
| 59 | |
| 60 | set addr1 [address_get "randomized first address"] |
| 61 | set addr2 [address_get "randomized second address"] |
| 62 | set test "randomized addresses should not match" |
| 63 | if [string equal $addr1 $addr2] { |
| 64 | untested "no randomization detected on this system" |
| 65 | return -1 |
| 66 | } else { |
| 67 | pass $test |
| 68 | } |
| 69 | |
| 70 | gdb_test_no_output "set disable-randomization on" |
| 71 | gdb_test "show disable-randomization" \ |
| 72 | "Disabling randomization .* is on." \ |
| 73 | "show disable-randomization on" |
| 74 | |
| 75 | set addr1 [address_get "fixed first address"] |
| 76 | set addr2 [address_get "fixed second address"] |
| 77 | set test "fixed addresses should match" |
| 78 | if [string equal $addr1 $addr2] { |
| 79 | pass $test |
| 80 | } else { |
| 81 | fail $test |
| 82 | } |