X-Git-Url: http://git.hcoop.net/clinton/Smoothieware.git/blobdiff_plain/9ce4fc208cbcd2b4ca8ea81c77ef2d9662df4c13..6e9763ea204c1b24f9daa0922a7c93cbe8aa5898:/.gdbinit

diff --git a/.gdbinit b/.gdbinit
index 12bb52df..913e782e 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -57,6 +57,19 @@ end
 
 
 
+define freespace
+    printf "free space: %d bytes\n", (unsigned int)$sp - '_sbrk::heap'
+end
+
+document freespace
+Displays the free space.
+
+This is the amount of space between the heap and stack that is currently
+unused.
+end
+
+
+
 define maxstacksize
     set var $fill_curr=(unsigned int*)'_sbrk::heap'
     while ($fill_curr < $sp && *$fill_curr == 0xdeadbeef)