gdb/testsuite/gdb.server/sysroot.exp

# This testcase is part of GDB, the GNU debugger.
#
# 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 can correctly read the binary and shared libraries
# with different sysroot setups: local and "target:".

load_lib gdbserver-support.exp

require allow_gdbserver_tests

standard_testfile
if {[build_executable "failed to prepare" $testfile $srcfile "additional_flags=--no-builtin"] == -1} {
    return -1
}

set target_binfile [gdb_remote_download target $binfile]
set host_binfile [gdb_remote_download host $binfile]

# Run once with sysroot set to the local filesystem and once set to the remote
# target.
set modes {}
if { ( ![is_remote host] && ![is_remote target ] )
     || [board_info host name] == [board_info target name] } {
    # Local means that gdb and gdbserver look at the same file system.  That's
    # not the case for remote host or remote target, unless
    # remote host == remote target.
    lappend modes "local"
}
lappend modes "remote"

foreach_with_prefix sysroot $modes {
    global srcdir
    global subdir
    global binfile

    if { $sysroot == "local" } {
	set sysroot_command "/"
	set reading_symbols "Reading symbols from $host_binfile..."
	set timeout_factor 1
    } else {
	set sysroot_command "target:"
	set reading_symbols "Reading .*$target_binfile from remote target..."
	set timeout_factor 5
    }

    # Reading debug info from the remote target can take a bit of time, so
    # increase the timeout in that case.
    with_timeout_factor $timeout_factor {
	# Restart GDB.
	clean_restart

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

	# Start GDBserver.
	set res [gdbserver_start "" $target_binfile]
	set gdbserver_protocol [lindex $res 0]
	set gdbserver_gdbport [lindex $res 1]

	# Set the sysroot.
	gdb_test_no_output "set sysroot $sysroot_command"

	# Connect to gdbserver, making sure GDB reads in the binary correctly.
	set test "connect to remote and read binary"
	if {[gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport $reading_symbols] == 0} {
	    pass $test
	} else {
	    fail $test
	}

	gdb_breakpoint main
	gdb_test "continue" "Breakpoint $decimal.* main.*" "continue to main"

	# Test that we can stop inside a library.
	gdb_breakpoint printf
	gdb_test "continue" "Breakpoint $decimal.* (__)?printf.*" \
	    "continue to printf"
    }
}