diff options
author | Rob Landley <rob@landley.net> | 2005-09-05 10:25:51 +0000 |
---|---|---|
committer | Rob Landley <rob@landley.net> | 2005-09-05 10:25:51 +0000 |
commit | d1fa5859d60b246f5b345e921edbb86e31c41930 (patch) | |
tree | 9f8fac7f534493d9b65a528fd5fd39de1a72d818 | |
parent | dbaf97e463a63062e0a1a7f98ee9ff564639fb58 (diff) | |
download | busybox-w32-d1fa5859d60b246f5b345e921edbb86e31c41930.tar.gz busybox-w32-d1fa5859d60b246f5b345e921edbb86e31c41930.tar.bz2 busybox-w32-d1fa5859d60b246f5b345e921edbb86e31c41930.zip |
Now that "make sizes" is in, the faq should mention it...
-rw-r--r-- | docs/busybox.net/FAQ.html | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/docs/busybox.net/FAQ.html b/docs/busybox.net/FAQ.html index 5090c41c2..67c696c4c 100644 --- a/docs/busybox.net/FAQ.html +++ b/docs/busybox.net/FAQ.html | |||
@@ -258,18 +258,10 @@ have additions to this FAQ document, we would love to add them, | |||
258 | savings add up). | 258 | savings add up). |
259 | </p> | 259 | </p> |
260 | <p> | 260 | <p> |
261 | To examine a busybox binary with an eye to saving bytes, build an | 261 | The busybox Makefile can generate a report of how much space is actually |
262 | optimized debug version and run the "nm" command against it, like so: | 262 | being used by each function and variable. Run "<b>make sizes</b>" (preferably |
263 | </p> | 263 | with CONFIG_DEBUG off) to get a list of symbols and the amount of |
264 | <p> | 264 | space allocated for each one, sorted by size. |
265 | make clean && make STRIPCMD=/bin/true && nm --size-sort busybox | ||
266 | </p> | ||
267 | <p> | ||
268 | This gives a list of symbols and the amount of space allocated for | ||
269 | each one, sorted by size. (Note: do not enable CONFIG_DEBUG for this, | ||
270 | as that disables compiler optimization which is great for running gdb | ||
271 | but misleading when trying to figure out how much space each component | ||
272 | is really using under normal circumstances.) | ||
273 | </p> | 265 | </p> |
274 | <hr /> | 266 | <hr /> |
275 | 267 | ||