# Copyright 2010-2017 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/>.  */

# Check that when GDB connects to a stopped target in either non-stop
# or all-stop modes, "target remote" does not return with the remote
# thread marked running.

load_lib gdbserver-support.exp
load_lib prelink-support.exp

if {[skip_gdbserver_tests]} {
    return
}

standard_testfile
set executable ${testfile}

if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
    return -1
}

proc do_test {nonstop} {
    global binfile
    global gdb_prompt
    global hex

    clean_restart $binfile

    # Make sure we're disconnected, in case we're testing with an
    # extended-remote board, therefore already connected.
    gdb_test "disconnect" ".*"

    gdb_test "set non-stop $nonstop"

    set res [gdbserver_spawn ${binfile}]
    set gdbserver_protocol [lindex $res 0]
    set gdbserver_gdbport [lindex $res 1]

    gdb_test_multiple "define connect" "define user command: connect" {
	-re "Type commands for definition of \"connect\".\r\nEnd with a line saying just \"end\".\r\n>$" {
	    gdb_test [join [list \
				"target $gdbserver_protocol $gdbserver_gdbport" \
				"info threads" \
				"p /x \$pc" \
				"end" \
			       ] "\n"] \
		"" \
		"define user command: connect"
	}
    }

    # In non-stop mode, "target remote" used to return before the
    # already-stopped thread was marked stopped.  Because of that, a
    # script (or fast user) could see the target as running right
    # after connection:
    #
    # (gdb) connect
    #   Id   Target Id         Frame
    # * 1    Thread 31179      (running)
    # Target is executing.
    # (gdb)
    gdb_test "connect" " = $hex" "connect and print pc"
    gdb_test "print /x \$pc" " = $hex" "print pc again"
}

foreach nonstop { "off" "on" } {
    with_test_prefix "non-stop=$nonstop" {
	do_test $nonstop
    }
}