[VelaBT Gdb] Added initial script to automatically register nxgdb and…

… all BT commands.

bug: V/46055

Example:
(gdb) source frameworks/bluetooth/tools/gdb/btdiag_init.py

Registering NuttX GDB commands from ... /gdb/nuttxgdb
Register Vela Bluetooth GDB command module: ... /gdb/service/btsocket.py
...
...
Register Other Vela Bluetooth GDB command module

Signed-off-by: zhongzhijie1 <[email protected]>

tools/gdb/btdiag_init.py

@@ -0,0 +1,64 @@
+############################################################################
+# frameworks/bluetooth/tools/gdb/btdiag_init.py
+#
+# Copyright (C) 2024 Xiaomi Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+############################################################################
+import sys
+import os
+import gdb
+
+# Get the current directory path, which is where btinit.py is located
+base_dir = os.path.dirname(os.path.abspath(__file__))
+
+# Source gdbinit.py from the relative path
+nuttx_gdbinit_path = os.path.abspath(
+    os.path.join(base_dir, "../../../../nuttx/tools/gdb/gdbinit.py")
+)
+
+# Add the directory containing 'nuttxgdb' to sys.path
+nuttx_gdb_module_path = os.path.abspath(
+    os.path.join(base_dir, "../../../../nuttx/tools/gdb")
+)
+if nuttx_gdb_module_path not in sys.path:
+    sys.path.insert(0, nuttx_gdb_module_path)
+
+if os.path.exists(nuttx_gdbinit_path):
+    gdb.execute(f"source {nuttx_gdbinit_path}")
+    gdb.write(f"Sourced GDB init file from: {nuttx_gdbinit_path}\n")
+else:
+    gdb.write(f"GDB init file not found at: {nuttx_gdbinit_path}\n")
+
+# List of modules to be registered
+modules_to_register = [
+    "service.btsocket",  # Example path: frameworks/bluetooth/tools/gdb/service/btsocket.py
+    "service.btdev",
+    "stack.btstack",
+    "driver.btsnoop",
+    "utlis.bttimeval",
+]
+
+# Import each module to register commands
+for module_name in modules_to_register:
+    module_path = os.path.join(base_dir, *module_name.split(".")) + ".py"
+
+    if os.path.exists(module_path):
+        try:
+            gdb.execute(f"source {module_path}")
+            gdb.write(f"Sourced GDB command module: {module_path}\n")
+        except Exception as e:
+            gdb.write(f"Failed to source module {module_path}: {e}\n")
+    else:
+        gdb.write(f"Module not found: {module_path}\n")