lib: add simplified native msg support

This is intended to replace protobuf use in mgmtd.

Signed-off-by: Christian Hopps <chopps@labn.net>

1 files changed, 48 insertions, 1 deletions

diff --git a/gdb/lib.txt b/gdb/lib.txt
index 5d22321b6..435ec7eda 100644
--- a/gdb/lib.txt
+++ b/gdb/lib.txt
@@ -306,8 +306,9 @@ define mq_walk
      end
      set $mg = $mg->next
   end
+end
 
-document mg_walk
+document mq_walk
 Walk the memory data structures to show what is holding memory.
 
 Arguments:
@@ -315,3 +316,49 @@ Arguments:
      sure where to start pass it mg_first, which is a global DS for
      all memory allocated in FRR
 end
+
+define __darr_meta
+  set $_ = ((struct darr_metadata *)$arg0) - 1
+end
+document __darr_meta
+Store a pointer to the struct darr_metadata in $_ for the given dynamic array.
+
+Argument: a pointer to a darr dynamic array.
+Returns: pointer to the struct darr_metadata in $_.
+end
+
+define darr_meta
+  __darr_meta $arg0
+  p *$_
+end
+document darr_meta
+Print the struct darr_metadata for the given dynamic array. Store the value
+in $_ as well.
+
+Argument: a pointer to a darr dynamic array.
+Returns: pointer to the struct darr_metadata in $_.
+end
+
+define darr_len
+  __darr_meta $arg0
+  set $_ = $_->len
+  p $_
+end
+document darr_len
+Print the length of the given dynamic array, and store in $_.
+
+Argument: a pointer to a darr dynamic array.
+Returns: length of the array.
+end
+
+define darr_cap
+  __darr_meta $arg0
+  set $_ = $_->cap
+  p $_
+end
+document darr_len
+Print the capacity of the given dynamic array, and store in $_.
+
+Argument: a pointer to a darr dynamic array.
+Returns: capacity of the array.
+end