# Copyright 2019-2020 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/>.

# Test that GDB does not access the remote target's memory when
# setting a breakpoint on a function that only exists in an inferior
# that is not bound to the remote target.

load_lib gdbserver-support.exp

standard_testfile server.c

if { [skip_gdbserver_tests] } {
    return 0
}

if { [prepare_for_testing "failed to prepare" ${binfile} "${srcfile}" \
	  {debug pthreads}] } {
    return
}

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

# Leave inferior 1 with the exec target, not connected.  Add another
# inferior, and connect it to gdbserver.

gdb_test "add-inferior" "Added inferior 2" \
    "add inferior 2"
gdb_test "inferior 2" "Switching to inferior 2.*" \
    "switch to inferior 2"
gdb_test "file ${binfile}" ".*" "load file in inferior 2"

set target_exec [gdbserver_download_current_prog]

# Start GDBserver.
set res [gdbserver_start "" $target_exec]

# Connect to GDBserver.
set gdbserver_protocol [lindex $res 0]
set gdbserver_gdbport [lindex $res 1]
gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport

# Discard any symbol files that we have opened.
set test "discard symbol table"
gdb_test_multiple "file" $test {
    -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" {
	gdb_test "y" ".*" $test \
	    {Discard symbol table from `.*'\? \(y or n\) } "y"
    }
}

# At this point:
#
# - inferior 1 has symbols, and is not connected to any target.
# - inferior 2 has no symbols, and is connected to gdbserver.

# Setting a breakpoint at some function by name should set a
# breakpoint on inferior 1, since it has symbols, and should not
# result in any access to inferior 2's remote target.

gdb_test_no_output "set debug remote 1"

foreach inf_sel {1 2} {
    with_test_prefix "inf $inf_sel" {
	gdb_test "inferior $inf_sel" "Switching to inferior $inf_sel.*" \
	    "switch to inferior"

	set test "set breakpoint"
	gdb_test_multiple "break main" $test {
	    -re "Sending packet.*$gdb_prompt $" {
		fail $test
	    }
	    -re "^break main\r\nBreakpoint .* at .*$gdb_prompt $" {
		pass $test
	    }
	}

	delete_breakpoints
    }
}