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