tools/gdb: add foreach prefixed command

Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>

tools/gdb/nuttxgdb/__init__.py

@@ -47,18 +47,21 @@ def register_commands(event):
     gdb.execute('handle SIGUSR1 "nostop" "pass" "noprint"')
     gdb.write('"handle SIGUSR1 "nostop" "pass" "noprint"\n')
 
-    # Register all modules
-    for m in modules:
-        if m == "__init__":
-            continue
-
+    def init_gdb_commands(m: str):
         module = importlib.import_module(f"{__package__}.{m}")
-
-        # Get all classes inherited from gdb.Command
         for c in module.__dict__.values():
             if isinstance(c, type) and issubclass(c, gdb.Command):
                 c()
 
+    # Register prefix commands firstly
+    init_gdb_commands("prefix")
+    modules.remove("prefix")
+    modules.remove("__init__")
+
+    # Register all other modules
+    for m in modules:
+        init_gdb_commands(m)
+
     utils = importlib.import_module(f"{__package__}.utils")
     utils.check_version()
 

tools/gdb/nuttxgdb/fs.py

@@ -241,7 +241,7 @@ class ForeachInode(gdb.Command):
     """Dump each inode info"""
 
     def __init__(self):
-        super().__init__("foreach_inode", gdb.COMMAND_USER)
+        super().__init__("foreach inode", gdb.COMMAND_USER)
         self.level = 4096
 
     def get_root_inode(self, addr_or_expr):
@@ -253,7 +253,7 @@ class ForeachInode(gdb.Command):
             return utils.gdb_eval_or_none(addr_or_expr)
 
     def parse_arguments(self, argv):
-        parser = argparse.ArgumentParser(description="foreach_inode command")
+        parser = argparse.ArgumentParser(description="foreach inode command")
         parser.add_argument(
             "-L",
             "--level",

tools/gdb/nuttxgdb/lists.py

@@ -293,9 +293,7 @@ class ForeachListEntry(gdb.Command):
     """Dump list members for a given list"""
 
     def __init__(self):
-        super().__init__(
-            "foreach_list_entry", gdb.COMMAND_DATA, gdb.COMPLETE_EXPRESSION
-        )
+        super().__init__("foreach list", gdb.COMMAND_DATA, gdb.COMPLETE_EXPRESSION)
 
     def invoke(self, arg, from_tty):
         argv = gdb.string_to_argv(arg)

tools/gdb/nuttxgdb/prefix.py

@@ -0,0 +1,30 @@
+############################################################################
+# tools/gdb/nuttx_gdb/prefix.py
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you 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 gdb
+
+
+class ForeachPrefix(gdb.Command):
+    """foreach commands prefix."""
+
+    def __init__(self):
+        super(ForeachPrefix, self).__init__("foreach", gdb.COMMAND_USER, prefix=True)