#!/bin/sh
#
-# Written: Nov 1994 Wayne Scott (wscott@ichips.intel.com)
+# Written: Nov 1994 Wayne Scott <wscott@ichips.intel.com>
+#
+# Updated: 1997-8 Jarkko Hietaniemi <jhi@iki.fi>
#
# Create the export list for perl.
# Needed by AIX to do dynamic linking.
#
-# This simple program relys on 'global.sym' and other *.sym files
-# being up to date with all of the global symbols that a dynamic
-# link library might want to access.
+# This simple program relies on global.sym and few other *.sym files
+# and the *var*.h files being up to date with all of the global
+# symbols that a dynamic link library might want to access.
#
-# Most symbols have a Perl_ prefix because that's what embed.h sticks
-# in front of them. Variations depend on binary compatibility with
-# Perl 5.003.
+# Most symbols have a Perl_ or PL_prefix because that's what embed.h
+# sticks in front of them.
#
+# AIX requires the list of external symbols (variables or functions)
+# that are made available for another executable object file the import.
+# The list is called the export file and it is a simple text file.
+# The first line must be
+#!
+# That is, hash-bang, pound-shout, however you want to call it.
+# The remainder of the file are the names of the symbols, one per line.
+# The file is then given to the system loader (cc/xlc command line)
+# as -bE:export.file.
-case $CONFIG in
+case $CONFIGDOTSH in
'')
if test -f config.sh; then TOP=.;
elif test -f ../config.sh; then TOP=..;
echo "#!" > perl.exp
# No compat3 since 5.004_50.
-# perlio.sym will added below if needed.
-syms="global.sym interp.sym thread.sym"
+# No interp.sym since 5.005_03.
+# perlio.sym will added later if needed.
-sed -n '/^[A-Za-z]/ s/^/Perl_/p' $syms >> perl.exp
+grep '^Perl_' global.sym >> perl.exp
+grep '^Perl_' pp.sym >> perl.exp
+sed -n '/^[A-Za-z]/ s/^/PL_/p' globvar.sym >> perl.exp
-sed -n 's/^PERLVAR.*(G\([^,[]*\).*/Perl_\1/p' perlvars.h >> perl.exp
-sed -n 's/^PERLVAR.*(T\([^,[]*\).*/Perl_\1/p' thrdvar.h >> perl.exp
+sed -n 's/^PERLVAR.*(G\([^[,]*\).*/PL_\1/p' perlvars.h >> perl.exp
+sed -n 's/^PERLVAR.*(I\([^[,]*\).*/PL_\1/p' intrpvar.h >> perl.exp
+sed -n 's/^PERLVAR.*(T\([^[,]*\).*/PL_\1/p' thrdvar.h >> perl.exp
#
-# If we use the PerlIO abstraction layer, add its symbols
+# If we use the PerlIO abstraction layer, add its symbols.
#
-if [ $useperlio = "define" ]
+if [ "X$useperlio" = "Xdefine" ]
then
grep '^[A-Za-z]' perlio.sym >> perl.exp
fi
# not actually be defined, but there's no harm in that).
#
-cat <<END >> perl.exp
-perl_init_i18nl10n
-perl_init_i18nl14n
-perl_new_collate
-perl_new_ctype
-perl_new_numeric
-perl_set_numeric_local
-perl_set_numeric_standard
-perl_alloc
-perl_construct
-perl_destruct
-perl_free
-perl_parse
-perl_run
-perl_get_sv
-perl_get_av
-perl_get_hv
-perl_get_cv
-perl_call_argv
-perl_call_pv
-perl_call_method
-perl_call_sv
-perl_eval_pv
-perl_eval_sv
-perl_require_pv
-Mymalloc
-Mycalloc
-Myremalloc
-Myfree
-Perl_malloc
-Perl_calloc
-Perl_realloc
-Perl_free
-END
+#cat >>perl.exp <<END
+#END
+
+case "$usemymalloc" in
+true|[yY]*) usemymalloc=define ;;
+esac
+
+# Remove mymalloc if needed.
+case "$usemymalloc$d_mymalloc" in
+definedefine) ;;
+*)
+ egrep -v '^(Perl_(calloc|malloc|malloced_size|mfree|realloc|safexcalloc|safexfree|safexmalloc|safexrealloc)|^PL_malloc_mutex)$' < perl.exp > perl.exp$$
+ mv -f perl.exp$$ perl.exp
+ case "$ccflags" in
+ *DEBUGGING*) ;;
+ *)
+ egrep -v '^(Perl_dump_mstats)$' < perl.exp > perl.exp$$
+ mv -f perl.exp$$ perl.exp
+ ;;
+ esac
+ ;;
+esac
+
+# Remove unneeded utility functions.
+egrep -v '^(Perl_my_(bcopy|bzero|chsize|htonl|memcmp|memset|ntohl|swap))$' < perl.exp > perl.exp$$
+mv -f perl.exp$$ perl.exp
+
+case "$usethreads" in
+true|[yY]*) usethreads=define ;;
+esac
+
+# Remove thread symbols if needed.
+case "$usethreads" in
+define) ;;
+*)
+ egrep -v '^(Perl_(condpair_magic|find_threadsv|magic_mutexfree|new_struct_thread|unlock_condpair)|^PL_((eval|nthreads)_cond|curthr|eval_owner|(cred|eval|strtab|sv|svref|threads|malloc|vtbl)_mutex|nthreads|threadnum|threadsv_names|thr_key|thrsv))$' < perl.exp > perl.exp$$
+ mv -f perl.exp$$ perl.exp
+ ;;
+esac
+
+# Remove debugging symbols if needed.
+case "$ccflags" in
+*DEBUGGING*) ;;
+*)
+ egrep -v '^(PL_(block_type|watchaddr|watchok))$' < perl.exp > perl.exp$$
+ mv -f perl.exp$$ perl.exp
+ ;;
+esac
+
+# Remove unneeded globals.
+egrep -v '^(Perl_(ErrorNo|GetVars|same_dirent|unlnk)|PL_(cryptseen|statusvalue_vms))' < perl.exp > perl.exp$$
+mv -f perl.exp$$ perl.exp
# The shebang line nicely sorts as the first one.
sort -o perl.exp -u perl.exp
projects / p5sagit/p5-mst-13.2.git / blobdiff