stripping symbols and dead-code
stripping symbols and dead-code
- Subject: stripping symbols and dead-code
- From: "Frode" <email@hidden>
- Date: Thu, 17 Nov 2005 16:14:32 +0100
- Importance: Normal
Hello!
I'm using XCode 2.2, gcc-4.0.0, ld version "cctools-590.obj~12".
0. Is there any reason to dead-strip (ld's -dead_strip) instead of
symbol-strip (ld's -s or strip)?
1. Is there any option to activate symbol-stripping besides dead-code
stripping in the build settings, besides adding -Wl,-s to "Other Linker
Flags"?
2. Why do I get an error if I use both symbol and dead-code stripping? I
pass the -Wl,-s and -Wl,-dead_strip to g++-4.0 (in "Other Linker
Flags"). The error is
/usr/bin/ld: internal error: assign_output_symbol_indexes() inconsistent
local symbol counts
collect2: ld returned 1 exit status
3. Why does code becomes bigger if I both symbol-strip and dead-strip?
Compare this:
(All numbers in bytes)
no strip
10,176,979
dead-code strip
9,167,015
symbol strip
1,513,115
dead-code strip, then symbol strip (using strip)
1,595,959
The most efficient in my case seems to be the symbol strip. There are
about 80 kB extra if I both dead-strip and symbol-strip.
Thanks for any help!
/Roggan
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