1 files changed, 67 insertions, 0 deletions

diff --git a/meta/lib/oeqa/selftest/cases/gdbserver.py b/meta/lib/oeqa/selftest/cases/gdbserver.py
new file mode 100644
index 0000000000..9da97ae780
--- /dev/null
+++ b/meta/lib/oeqa/selftest/cases/gdbserver.py
@@ -0,0 +1,67 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+import os
+import time
+import tempfile
+import shutil
+import concurrent.futures
+
+from oeqa.selftest.case import OESelftestTestCase
+from oeqa.utils.commands import bitbake, get_bb_var, get_bb_vars , runqemu, runCmd
+
+class GdbServerTest(OESelftestTestCase):
+    def test_gdb_server(self):
+        target_arch = self.td["TARGET_ARCH"]
+        target_sys = self.td["TARGET_SYS"]
+
+        features = """
+IMAGE_GEN_DEBUGFS = "1"
+IMAGE_FSTYPES_DEBUGFS = "tar.bz2"
+CORE_IMAGE_EXTRA_INSTALL = "gdbserver"
+        """
+        self.write_config(features)
+
+        gdb_recipe = "gdb-cross-" + target_arch
+        gdb_binary = target_sys + "-gdb"
+
+        bitbake("core-image-minimal %s:do_addto_recipe_sysroot" % gdb_recipe)
+
+        native_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", gdb_recipe)
+        r = runCmd("%s --version" % gdb_binary, native_sysroot=native_sysroot, target_sys=target_sys)
+        self.assertEqual(r.status, 0)
+        self.assertIn("GNU gdb", r.output)
+        image = 'core-image-minimal'
+        bb_vars = get_bb_vars(['DEPLOY_DIR_IMAGE', 'IMAGE_LINK_NAME'], image)
+
+        with tempfile.TemporaryDirectory(prefix="debugfs-") as debugfs:
+            filename = os.path.join(bb_vars['DEPLOY_DIR_IMAGE'], "%s-dbg.tar.bz2" % bb_vars['IMAGE_LINK_NAME'])
+            shutil.unpack_archive(filename, debugfs)
+            filename = os.path.join(bb_vars['DEPLOY_DIR_IMAGE'], "%s.tar.bz2" % bb_vars['IMAGE_LINK_NAME'])
+            shutil.unpack_archive(filename, debugfs)
+
+            with runqemu("core-image-minimal", runqemuparams="nographic") as qemu:
+                status, output = qemu.run_serial("kmod --help")
+                self.assertIn("modprobe", output)
+
+                with concurrent.futures.ThreadPoolExecutor(max_workers=1) as executor:
+                    def run_gdb():
+                        for _ in range(5):
+                            time.sleep(2)
+                            cmd = "%s --batch -ex 'set sysroot %s' -ex \"target extended-remote %s:9999\" -ex \"info line kmod_help\"" % (gdb_binary, debugfs, qemu.ip)
+                            self.logger.warning("starting gdb %s" % cmd)
+                            r = runCmd(cmd, native_sysroot=native_sysroot, target_sys=target_sys)
+                            self.assertEqual(0, r.status)
+                            line_re = r"Line \d+ of \"/usr/src/debug/kmod/.*/tools/kmod.c\" starts at address 0x[0-9A-Fa-f]+ <kmod_help>"
+                            self.assertRegex(r.output, line_re)
+                            break
+                        else:
+                            self.fail("Timed out connecting to gdb")
+                    future = executor.submit(run_gdb)
+
+                    status, output = qemu.run_serial("gdbserver --once :9999 kmod --help")
+                    self.assertEqual(status, 1)
+                    # The future either returns None, or raises an exception
+                    future.result()