# This testcase is part of GDB, the GNU debugger.

# Copyright 2015-2021 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/>.

# Test restarting programs with the R packet.

load_lib gdbserver-support.exp

standard_testfile server.c

if { [skip_gdbserver_tests] } {
    return 0
}

save_vars { GDBFLAGS } {
    # If GDB and GDBserver are both running locally, set the sysroot to avoid
    # reading files via the remote protocol.
    if { ![is_remote host] && ![is_remote target] } {
	set GDBFLAGS "$GDBFLAGS -ex \"set sysroot\""
    }

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

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

set target_exec [gdbserver_download_current_prog]
gdbserver_start_extended

gdb_test_no_output "set remote exec-file $target_exec" "set remote exec-file"

gdb_breakpoint main
gdb_test "run" "Breakpoint.* main .*" "run to main"

# Restart the process.
with_test_prefix "restart" {
    # Disable vRun packet and clear remote exec-file, so that GDB will
    # use R packet to restart the process.
    gdb_test_no_output "set remote run-packet off"
    gdb_test_no_output "set remote exec-file"

    set test "run to main"
    gdb_test_multiple "run" $test {
	-re {Start it from the beginning\? \(y or n\) $} {
	    send_gdb "y\n"
	    exp_continue
	}
	-re "Breakpoint.* main .*\r\n$gdb_prompt $" {
	    pass $test
	}
    }
}

gdb_test "kill" "" "kill" "Kill the program being debugged. .y or n. " "y"

gdb_test_no_output "monitor exit"