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#!/usr/bin/env python3
#
# Run a gdbstub test case
#
# Copyright (c) 2019 Linaro
#
# Author: Alex Bennée <alex.bennee@linaro.org>
#
# This work is licensed under the terms of the GNU GPL, version 2 or later.
# See the COPYING file in the top-level directory.
#
# SPDX-License-Identifier: GPL-2.0-or-later
import argparse
import subprocess
import shutil
import shlex
def get_args():
parser = argparse.ArgumentParser(description="A gdbstub test runner")
parser.add_argument("--qemu", help="Qemu binary for test",
required=True)
parser.add_argument("--qargs", help="Qemu arguments for test")
parser.add_argument("--binary", help="Binary to debug",
required=True)
parser.add_argument("--test", help="GDB test script",
required=True)
parser.add_argument("--gdb", help="The gdb binary to use", default=None)
return parser.parse_args()
if __name__ == '__main__':
args = get_args()
# Search for a gdb we can use
if not args.gdb:
args.gdb = shutil.which("gdb-multiarch")
if not args.gdb:
args.gdb = shutil.which("gdb")
if not args.gdb:
print("We need gdb to run the test")
exit(-1)
# Launch QEMU with binary
if "system" in args.qemu:
cmd = "%s %s %s -s -S" % (args.qemu, args.qargs, args.binary)
else:
cmd = "%s %s -g 1234 %s" % (args.qemu, args.qargs, args.binary)
inferior = subprocess.Popen(shlex.split(cmd))
# Now launch gdb with our test and collect the result
gdb_cmd = "%s %s" % (args.gdb, args.binary)
# run quietly and ignore .gdbinit
gdb_cmd += " -q -n -batch"
# disable prompts in case of crash
gdb_cmd += " -ex 'set confirm off'"
# connect to remote
gdb_cmd += " -ex 'target remote localhost:1234'"
# finally the test script itself
gdb_cmd += " -x %s" % (args.test)
print("GDB CMD: %s" % (gdb_cmd))
result = subprocess.call(gdb_cmd, shell=True);
# A negative result is the result of an internal gdb failure like
# a crash. We force a return of 0 so we don't fail the test on
# account of broken external tools.
if result < 0:
print("GDB crashed? SKIPPING")
exit(0)
exit(result)
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