| Patrick Williams | 92b42cb | 2022-09-03 06:53:57 -0500 | [diff] [blame] | 1 | # |
| 2 | # Copyright OpenEmbedded Contributors |
| 3 | # |
| 4 | # SPDX-License-Identifier: MIT |
| 5 | # |
| 6 | import os |
| 7 | import time |
| 8 | import tempfile |
| 9 | import shutil |
| 10 | import concurrent.futures |
| 11 | |
| 12 | from oeqa.selftest.case import OESelftestTestCase |
| 13 | from oeqa.utils.commands import bitbake, get_bb_var, runqemu, runCmd |
| 14 | |
| 15 | class GdbServerTest(OESelftestTestCase): |
| 16 | def test_gdb_server(self): |
| 17 | target_arch = self.td["TARGET_ARCH"] |
| 18 | target_sys = self.td["TARGET_SYS"] |
| 19 | deploy_dir = get_bb_var("DEPLOY_DIR_IMAGE") |
| 20 | |
| 21 | features = """ |
| 22 | IMAGE_GEN_DEBUGFS = "1" |
| 23 | IMAGE_FSTYPES_DEBUGFS = "tar.bz2" |
| 24 | CORE_IMAGE_EXTRA_INSTALL = "gdbserver" |
| 25 | """ |
| 26 | self.write_config(features) |
| 27 | |
| 28 | gdb_recipe = "gdb-cross-" + target_arch |
| 29 | gdb_binary = target_sys + "-gdb" |
| 30 | |
| 31 | bitbake("core-image-minimal %s:do_addto_recipe_sysroot" % gdb_recipe) |
| 32 | |
| 33 | native_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", gdb_recipe) |
| 34 | r = runCmd("%s --version" % gdb_binary, native_sysroot=native_sysroot, target_sys=target_sys) |
| 35 | self.assertEqual(r.status, 0) |
| 36 | self.assertIn("GNU gdb", r.output) |
| 37 | |
| 38 | with tempfile.TemporaryDirectory(prefix="debugfs-") as debugfs: |
| 39 | filename = os.path.join(deploy_dir, "core-image-minimal-%s-dbg.tar.bz2" % self.td["MACHINE"]) |
| 40 | shutil.unpack_archive(filename, debugfs) |
| 41 | filename = os.path.join(deploy_dir, "core-image-minimal-%s.tar.bz2" % self.td["MACHINE"]) |
| 42 | shutil.unpack_archive(filename, debugfs) |
| 43 | |
| 44 | with runqemu("core-image-minimal", runqemuparams="nographic") as qemu: |
| 45 | status, output = qemu.run_serial("kmod --help") |
| 46 | self.assertIn("modprobe", output) |
| 47 | |
| 48 | with concurrent.futures.ThreadPoolExecutor(max_workers=1) as executor: |
| 49 | def run_gdb(): |
| 50 | for _ in range(5): |
| 51 | time.sleep(2) |
| 52 | cmd = "%s --batch -ex 'set sysroot %s' -ex \"target extended-remote %s:9999\" -ex \"info line kmod_help\"" % (gdb_binary, debugfs, qemu.ip) |
| 53 | self.logger.warning("starting gdb %s" % cmd) |
| 54 | r = runCmd(cmd, native_sysroot=native_sysroot, target_sys=target_sys) |
| 55 | self.assertEqual(0, r.status) |
| 56 | line_re = r"Line \d+ of \"/usr/src/debug/kmod/.*/tools/kmod.c\" starts at address 0x[0-9A-Fa-f]+ <kmod_help>" |
| 57 | self.assertRegex(r.output, line_re) |
| 58 | break |
| 59 | else: |
| 60 | self.fail("Timed out connecting to gdb") |
| 61 | future = executor.submit(run_gdb) |
| 62 | |
| 63 | status, output = qemu.run_serial("gdbserver --once :9999 kmod --help") |
| 64 | self.assertEqual(status, 1) |
| 65 | # The future either returns None, or raises an exception |
| 66 | future.result() |