From 97ded15bdb39658a1f60eb16d5e92e072ed4dc59 Mon Sep 17 00:00:00 2001
From: Arti Zirk <arti.zirk@gmail.com>
Date: Sun, 4 Jul 2021 00:00:38 +0300
Subject: [PATCH] Add xxd commmand to gdb

---
 .gdbinit | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/.gdbinit b/.gdbinit
index 1074e29..b277c32 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -39,3 +39,22 @@ set mem inaccessible-by-default off
 # define target remote
 # bmconnect /dev/ttyBmpGdb
 # end
+
+
+define xxd
+  if $argc < 2
+    set $size = sizeof(*$arg0)
+  else
+    set $size = $arg1
+  end
+  dump binary memory dump.bin $arg0 ((void *)$arg0)+$size
+  eval "shell xxd -o %d dump.bin; rm dump.bin", ((void *)$arg0)
+end
+document xxd
+  Dump memory with xxd command (keep the address as offset)
+
+  xxd addr [size]
+    addr -- expression resolvable as an address
+    size -- size (in byte) of memory to dump
+            sizeof(*addr) is used by default
+end