add script which measures stack consumption.

Current top users:

0x08052f52 uncompress []:                               393312
0x080c8a58 input_tab []:                                82104
0x08092d5b ifaddrlist []:                               32828
0x08056163 loadfont_main []:                            32796
0x0806e508 colon []:                                    16532
0x08056095 do_loadfont []:                              16400
0x0806da70 place_cursor []:                             16388
0x080792e8 login_main []:                               9176

393 kb of stack??? OMG...

1 files changed, 5 insertions, 1 deletions

diff --git a/Makefile.custom b/Makefile.custom
index d0aff3799..cf3d14321 100644
--- a/Makefile.custom
+++ b/Makefile.custom
@@ -79,9 +79,13 @@ baseline: busybox_unstripped
 objsizes: busybox_unstripped
         $(srctree)/scripts/objsizes
 
+.PHONY: stksizes
+stksizes: busybox_unstripped
+        $(CROSS_COMPILE)objdump -d busybox_unstripped | $(srctree)/scripts/checkstack.pl $(ARCH)
+
 .PHONY: bigdata
 bigdata: busybox_unstripped
-        nm --size-sort busybox_unstripped | grep -vi ' [tr] ' | tail -20
+        $(CROSS_COMPILE)nm --size-sort busybox_unstripped | grep -vi ' [tr] '
 
 # Documentation Targets
 .PHONY: doc