1# Copyright 2008, 2009, 2010, 2011 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 16set testfile randomize 17set srcfile ${testfile}.c 18set binfile ${objdir}/${subdir}/${testfile} 19if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 20 untested "Couldn't compile test program" 21 return -1 22} 23 24# Get things started. 25 26gdb_exit 27gdb_start 28gdb_reinitialize_dir $srcdir/$subdir 29gdb_load ${binfile} 30 31proc address_get { testname } { 32 global gdb_prompt 33 34 if {![runto_main]} { 35 return -1 36 } 37 38 # Do not rely on printf; some test configurations don't work with stdio. 39 40 gdb_breakpoint [gdb_get_line_number "print p"] 41 gdb_continue_to_breakpoint "$testname - address set" 42 43 gdb_test_multiple "print/x p" $testname { 44 -re "\\$\[0-9\]+ = (0x\[0-9a-f\]*)\r?\n$gdb_prompt $" { 45 pass $testname 46 return $expect_out(1,string) 47 } 48 } 49} 50 51set test "set disable-randomization off" 52gdb_test_multiple "${test}" "${test}" { 53 -re "Disabling randomization .* unsupported .*$gdb_prompt $" { 54 untested "Disabling randomization is not supported on this Linux GDB" 55 return -1 56 } 57 -re "No symbol .* in current context.*$gdb_prompt $" { 58 untested "Disabling randomization is not supported on this GDB platform" 59 return -1 60 } 61 -re "$gdb_prompt $" { 62 pass $test 63 } 64} 65gdb_test "show disable-randomization" \ 66 "Disabling randomization .* is off." \ 67 "show disable-randomization off" 68 69set addr1 [address_get "randomized first address"] 70set addr2 [address_get "randomized second address"] 71set test "randomized addresses should not match" 72if [string equal $addr1 $addr2] { 73 untested "No randomization detected on this system" 74 return -1 75} else { 76 pass $test 77} 78 79gdb_test_no_output "set disable-randomization on" 80gdb_test "show disable-randomization" \ 81 "Disabling randomization .* is on." \ 82 "show disable-randomization on" 83 84set addr1 [address_get "fixed first address"] 85set addr2 [address_get "fixed second address"] 86set test "fixed addresses should match" 87if [string equal $addr1 $addr2] { 88 pass $test 89} else { 90 fail $test 91} 92