# Copyright 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/>.

# x86 and amd64 gdbserver had a bug where a watchpoint triggered by
# the DR3 debug register would trip on a bogus assertion.

# This test relies on being able to set 4 hardware watchpoints.  Since
# that is not a valid assumption across most targets, and we're
# testing a x86 specific bug, skip everywhere else.
if { ![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"] } then {
    return 0
}

set testfile "i386-dr3-watch"
set srcfile ${testfile}.c

if [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug $additional_flags}] {
    untested "failed to compile ${testfile}"
    return -1
}

if ![runto_main] then {
    untested "could not run to main"
    return -1
}

gdb_test_no_output "set breakpoint always-inserted on"

gdb_test "watch i1" "Hardware watchpoint .*: i1"
gdb_test "watch i2" "Hardware watchpoint .*: i2"
gdb_test "watch i3" "Hardware watchpoint .*: i3"
gdb_test "watch i4" "Hardware watchpoint .*: i4"

gdb_test "c" "Hardware watchpoint.*: i1.*" "continue to i1 watchpoint"
gdb_test "c" "Hardware watchpoint.*: i2.*" "continue to i2 watchpoint"
gdb_test "c" "Hardware watchpoint.*: i3.*" "continue to i3 watchpoint"
gdb_test "c" "Hardware watchpoint.*: i4.*" "continue to i4 watchpoint"