Merge GDB 7.5.1

gdb/testsuite/gdb.arch/amd64-i386-address.exp

 # Copyright 2009-2012 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/>.
 
 # This file is part of the gdb testsuite.
 
 # Test UNsigned extension of the 32-bit inferior address on a 64-bit host.
 # On native 32-bit host the test always PASSed.
 
-if {(![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"]) || ![is_lp64_target] } then {
+if { (![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"]) || ![is_lp64_target]
+     || [istarget "*-*-openbsd*"] } then {
     verbose "Skipping amd64->i386 adress test."
     return
 }
 
 if [prepare_for_testing amd64-i386-address.exp amd64-i386-address amd64-i386-address.S [list debug "additional_flags=-m32 -nostdlib"]] {
     return -1
 }
 
 gdb_run_cmd
 
 set test "trap stop"
 gdb_test_multiple "" $test {
     -re "Program received signal SIGTRAP,.*_start .*$gdb_prompt $" {
         pass $test
     }
 }
 
 gdb_test "x/wx \$esp" "0x\[0-9a-f\]*:\t0xdeadf00d"
 
 # Failure case would be:
 #       0xff8d7f00:     Cannot access memory at address 0xff8d7f00
 gdb_test "x/wx \$ebx" "0x\[0-9a-f\]*:\t0xdeadf00d"