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binutils-gdb/gdb/testsuite/gdb.base/randomize.exp
Joel Brobecker b811d2c292 Update copyright year range in all GDB files.
gdb/ChangeLog:

        Update copyright year range in all GDB files.
2020-01-01 10:20:53 +04:00

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# Copyright 2008-2020 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/>.
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
}
proc address_get { testname } {
global gdb_prompt
if {![runto_main]} {
return -1
}
# Do not rely on printf; some test configurations don't work with stdio.
gdb_breakpoint [gdb_get_line_number "print p"]
gdb_continue_to_breakpoint "$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
}