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# This testcase is part of GDB, the GNU debugger.
# Copyright 2016-2022 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 GDB's ability to properly connect to GDBserver with no pre-opened
# symbol file. If GDB is buggy, it will drop the connection when
# it attempts to open the symbol file indicated by GDBserver and fails.
#
# This test is only meaningful for standard remote connections.
load_lib gdbserver-support.exp
standard_testfile
if { [skip_gdbserver_tests] } {
return 0
}
if { [build_executable "failed to prepare" $testfile $srcfile debug] } {
return -1
}
# Test connecting GDB to GDBserver without loading a symbol file.
#
# SYSROOT is the desired sysroot string
#
# ACTION is the action to perform to the symbol file on the target.
# It can be either "permission" to deny access to the file or "delete"
# to remove the file.
#
proc connect_no_symbol_file { sysroot action } {
global binfile
with_test_prefix "setup" {
# Copy the symbol file to the target.
set target_exec [gdb_remote_download target $binfile.bak $binfile]
# Make sure we're disconnected, in case we're testing with an
# extended-remote board, therefore already connected.
gdb_test "disconnect" ".*"
# Set sysroot to something non-target and possibly also invalid so that
# GDB is unable to open the symbol file.
gdb_test_no_output "set sysroot $sysroot" "adjust sysroot"
# Start GDBserver.
set res [gdbserver_start "" $target_exec]
set gdbserver_protocol [lindex $res 0]
set gdbserver_gdbport [lindex $res 1]
# Perform test actions to the symbol file on the target.
if { $action == "delete" } then {
remote_file target delete $target_exec
} elseif { $action == "permission" } {
remote_spawn target "chmod 000 $target_exec"
}
# Connect to GDBserver.
gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
}
# Check if GDB succeeded connecting to GDBserver by attempting to detach
# from the process.
gdb_test "detach" \
".*Detaching from program: , process.*Ending remote debugging.*" \
"connection to GDBserver succeeded"
}
# Make sure we have the original symbol file in a safe place to copy from.
gdb_remote_download host $binfile $binfile.bak
# Start with no executable loaded.
clean_restart
# Run the test with different permutations.
foreach_with_prefix sysroot {"" "target:"} {
foreach_with_prefix action {"permission" "delete"} {
connect_no_symbol_file $sysroot $action
}
}
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