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# Copyright 2019-2024 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
require allow_gdbserver_tests
if { [prepare_for_testing "failed to prepare" ${binfile} "${srcfile}" \
{debug pthreads}] } {
return
}
set host_binfile [gdb_remote_download host $binfile]
# 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 ${host_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 lines [gdb_get_lines "break -q main"]
set test "set breakpoint"
set re_xfail \
[string_to_regexp {Sending packet: $qXfer:auxv:read}]
if { [regexp $re_xfail $lines] } {
# Symbol lookup may access the target to read AUXV in
# order to determine the debug base for SVR4 linker
# namespaces.
xfail $test
} elseif { [regexp "Sending packet:" $lines] } {
fail $test
} else {
set re \
"Breakpoint $decimal at $hex: \[^\r\n\]+"
set re "^$re\r\n$"
gdb_assert { [regexp $re $lines] } $test
}
gdb_test_no_output "set debug remote 0"
delete_breakpoints
}
}
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