Andi Kleen <andi@firstfloor.org>
reported that he saw a lot of symbols like this:
0000000000000b24 N DW.aio.h.
903a6d92.2
0000000000000bce N DW.task_io_accounting.h.
8d8de327.0
0000000000000bec N DW.hrtimer.h.
c23659c6.0
in his System.map / kallsyms output.
Simple solution is to skip all debugging
symbols (they are marked 'N').
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Paulo Marques <pmarques@grupopie.com>
/* exclude also MIPS ELF local symbols ($L123 instead of .L123) */
else if (str[0] == '$')
return -1;
/* exclude also MIPS ELF local symbols ($L123 instead of .L123) */
else if (str[0] == '$')
return -1;
+ /* exclude debugging symbols */
+ else if (stype == 'N')
+ return -1;
/* include the type field in the symbol name, so that it gets
* compressed together */
/* include the type field in the symbol name, so that it gets
* compressed together */
# For System.map filter away:
# a - local absolute symbols
# U - undefined global symbols
# For System.map filter away:
# a - local absolute symbols
# U - undefined global symbols
# w - local weak symbols
# readprofile starts reading symbols when _stext is found, and
# w - local weak symbols
# readprofile starts reading symbols when _stext is found, and
# so we just ignore them to let readprofile continue to work.
# (At least sparc64 has __crc_ in the middle).
# so we just ignore them to let readprofile continue to work.
# (At least sparc64 has __crc_ in the middle).
-$NM -n $1 | grep -v '\( [aUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $2
+$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $2