united the static fat runtime dispatcher with the BSD support.

This commit is contained in:
Gregory Economou
2024-04-15 14:59:08 +03:00
parent 2e86b8524d
commit d96206a12f
4 changed files with 240 additions and 63 deletions

View File

@@ -15,13 +15,21 @@ SYMSFILE=$(mktemp -p /tmp ${PREFIX}_rename.syms.XXXXX)
KEEPSYMS=$(mktemp -p /tmp keep.syms.XXXXX)
# find the libc used by gcc
LIBC_SO=$("$@" --print-file-name=libc.so.6)
NM_FLAG="-f"
if [ `uname` = "FreeBSD" ]; then
# for freebsd, we will specify the name,
# we will leave it work as is in linux
LIBC_SO=/lib/libc.so.7
# also, in BSD, the nm flag -F corresponds to the -f flag in linux.
NM_FLAG="-F"
fi
cp ${KEEPSYMS_IN} ${KEEPSYMS}
# get all symbols from libc and turn them into patterns
nm -f p -g -D ${LIBC_SO} | sed -s 's/\([^ @]*\).*/^\1$/' >> ${KEEPSYMS}
nm ${NM_FLAG} p -g -D ${LIBC_SO} | sed 's/\([^ @]*\).*/^\1$/' >> ${KEEPSYMS}
# build the object
"$@"
# rename the symbols in the object
nm -f p -g ${OUT} | cut -f1 -d' ' | grep -v -f ${KEEPSYMS} | sed -e "s/\(.*\)/\1\ ${PREFIX}_\1/" >> ${SYMSFILE}
nm ${NM_FLAG} p -g ${OUT} | cut -f1 -d' ' | grep -v -f ${KEEPSYMS} | sed -e "s/\(.*\)/\1\ ${PREFIX}_\1/" >> ${SYMSFILE}
if test -s ${SYMSFILE}
then
objcopy --redefine-syms=${SYMSFILE} ${OUT}