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# Copyright 2019-2021 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
# 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 <>.
# 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}] } {
# 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.
foreach inf_sel {1 2} {
with_test_prefix "inf $inf_sel" {
gdb_test "inferior $inf_sel" "Switching to inferior $inf_sel.*" \
"switch to inferior"
gdb_test_no_output "set debug remote 1"
set test "set breakpoint"
gdb_test_multiple "break -q main" $test {
-re "Sending packet.*$gdb_prompt $" {
fail $test
-re "^break -q main\r\nBreakpoint .* at .*$gdb_prompt $" {
pass $test
gdb_test_no_output "set debug remote 0"