diff options
author | Tor Lillqvist <tml@iki.fi> | 2012-05-14 20:08:30 +0300 |
---|---|---|
committer | Tor Lillqvist <tml@iki.fi> | 2012-06-13 08:36:54 +0300 |
commit | 4965c3cc4b48170ce1c3bc27d033ae9132ae1e4a (patch) | |
tree | d72ec8c9792a827cbecef66379e690046054c380 /solenv/bin | |
parent | make sure basebmp headers are in place (diff) | |
download | core-4965c3cc4b48170ce1c3bc27d033ae9132ae1e4a.tar.gz core-4965c3cc4b48170ce1c3bc27d033ae9132ae1e4a.zip |
Add some more information
Change-Id: Iafa671028ce73c2ec3a2706dda60f58aaeda7fda
Diffstat (limited to 'solenv/bin')
-rwxr-xr-x | solenv/bin/addsym-macosx.sh | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/solenv/bin/addsym-macosx.sh b/solenv/bin/addsym-macosx.sh index b69f59fff319..89d89129ad38 100755 --- a/solenv/bin/addsym-macosx.sh +++ b/solenv/bin/addsym-macosx.sh @@ -22,8 +22,30 @@ s#^#^# s#$#$#' | tr '\n' '|' | sed "s#|\$##" >$2 # Please note that the awk expression expects to get the output of 'nm -gx'! + +# The fields in the nm -gx output are apparently (see +# /usr/include/mach-o/nlist.h>): + +# xxxxxxxx xx xx xxxx xxxxxxxx symbol +# ! ! ! ! n_value +# ! ! ! n_desc +# ! ! n_sect +# ! n_type +# n_strx + +# Original comment: # On Panther we have to filter out symbols with a value "1f" otherwise external # symbols will erroneously be added to the generated export symbols list file. +# +# Of course it isn't actually the "value" (n_value) of the symbol that +# is meant, but (as is seen from the use of $2) the n_type . +# +# Now, what does a n_type of 1f actually mean? The N_PEXT bit (0x10) +# is on and the N_EXT (0x01) bit is on. It is what in Mach-O +# documentation is called "private external". This includes symbols +# produced by using -fvisibility=hidden. Whether that is a problem I +# don't know. +# awk -v SYMBOLSREGEXP="`cat $2`" ' match ($6,SYMBOLSREGEXP) > 0 && $6 !~ /_GLOBAL_/ { if (($2 != 1) && ( $2 != "1f" ) ) print $6 }' |