| # Copyright 2008, 2009, 2010, 2011 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/>. |
| |
| set testfile randomize |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| untested "Couldn't compile test program" |
| return -1 |
| } |
| |
| # Get things started. |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| proc address_get { testname } { |
| global gdb_prompt |
| |
| if {![runto_main]} { |
| return -1 |
| } |
| |
| # Do not rely on printf; some test configurations don't work with stdio. |
| |
| gdb_breakpoint [gdb_get_line_number "print p"] |
| gdb_continue_to_breakpoint "$testname - address set" |
| |
| gdb_test_multiple "print/x p" $testname { |
| -re "\\$\[0-9\]+ = (0x\[0-9a-f\]*)\r?\n$gdb_prompt $" { |
| pass $testname |
| return $expect_out(1,string) |
| } |
| } |
| } |
| |
| set test "set disable-randomization off" |
| gdb_test_multiple "${test}" "${test}" { |
| -re "Disabling randomization .* unsupported .*$gdb_prompt $" { |
| untested "Disabling randomization is not supported on this Linux GDB" |
| return -1 |
| } |
| -re "No symbol .* in current context.*$gdb_prompt $" { |
| untested "Disabling randomization is not supported on this GDB platform" |
| return -1 |
| } |
| -re "$gdb_prompt $" { |
| pass $test |
| } |
| } |
| gdb_test "show disable-randomization" \ |
| "Disabling randomization .* is off." \ |
| "show disable-randomization off" |
| |
| set addr1 [address_get "randomized first address"] |
| set addr2 [address_get "randomized second address"] |
| set test "randomized addresses should not match" |
| if [string equal $addr1 $addr2] { |
| untested "No randomization detected on this system" |
| return -1 |
| } else { |
| pass $test |
| } |
| |
| gdb_test_no_output "set disable-randomization on" |
| gdb_test "show disable-randomization" \ |
| "Disabling randomization .* is on." \ |
| "show disable-randomization on" |
| |
| set addr1 [address_get "fixed first address"] |
| set addr2 [address_get "fixed second address"] |
| set test "fixed addresses should match" |
| if [string equal $addr1 $addr2] { |
| pass $test |
| } else { |
| fail $test |
| } |