This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Further OS/2 symbol tweaking.
[perl5.git] / makedef.pl
1 #
2 # Create the export list for perl.
3 #
4 # Needed by WIN32 and OS/2 for creating perl.dll,
5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
6 # and by MacOS Classic.
7 #
8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
9 # On OS/2 reads miniperl.map as well
10
11 my $PLATFORM;
12 my $CCTYPE;
13
14 while (@ARGV) {
15     my $flag = shift;
16     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
17     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
18     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
19     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
20     if ($PLATFORM eq 'netware') {
21         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
22     }
23 }
24
25 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
26 my %PLATFORM;
27 @PLATFORM{@PLATFORM} = ();
28
29 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
30 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
31
32 my %exportperlmalloc =
33     (
34        Perl_malloc              =>      "malloc",
35        Perl_mfree               =>      "free",
36        Perl_realloc             =>      "realloc",
37        Perl_calloc              =>      "calloc",
38     );
39
40 my $exportperlmalloc = $PLATFORM eq 'os2';
41
42 my $config_sh   = "config.sh";
43 my $config_h    = "config.h";
44 my $thrdvar_h   = "thrdvar.h";
45 my $intrpvar_h  = "intrpvar.h";
46 my $perlvars_h  = "perlvars.h";
47 my $global_sym  = "global.sym";
48 my $pp_sym      = "pp.sym";
49 my $globvar_sym = "globvar.sym";
50 my $perlio_sym  = "perlio.sym";
51
52 if ($PLATFORM eq 'aix') {
53     # Nothing for now.
54 }
55 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
56     $CCTYPE = "MSVC" unless defined $CCTYPE;
57     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
58                 $pp_sym, $globvar_sym, $perlio_sym) {
59         s!^!..\\!;
60     }
61 }
62 elsif ($PLATFORM eq 'MacOS') {
63     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
64                 $pp_sym, $globvar_sym, $perlio_sym) {
65         s!^!::!;
66     }
67 }
68
69 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
70     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
71     while (<CFG>) {
72         if (/^(?:ccflags|optimize)='(.+)'$/) {
73             $_ = $1;
74             $define{$1} = 1 while /-D(\w+)/g;
75         }
76         if ($PLATFORM eq 'os2') {
77             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
78             $ARCHNAME =    $1 if /^archname='(.+)'$/;
79             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
80         }
81     }
82     close(CFG);
83 }
84
85 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
86 while (<CFG>) {
87     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
88     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
89     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
90     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
91 }
92 close(CFG);
93
94 # perl.h logic duplication begins
95
96 if ($define{PERL_IMPLICIT_SYS}) {
97     $define{PL_OP_SLAB_ALLOC} = 1;
98 }
99
100 if ($define{USE_ITHREADS}) {
101     if (!$define{MULTIPLICITY}) {
102         $define{MULTIPLICITY} = 1;
103     }
104 }
105
106 $define{PERL_IMPLICIT_CONTEXT} ||=
107     $define{USE_ITHREADS} ||
108     $define{USE_5005THREADS}  ||
109     $define{MULTIPLICITY} ;
110
111 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
112     $define{USE_REENTRANT_API} = 1;
113 }
114
115 # perl.h logic duplication ends
116
117 my $sym_ord = 0;
118
119 if ($PLATFORM =~ /^win(?:32|ce)$/) {
120     warn join(' ',keys %define)."\n";
121     ($dll = ($define{PERL_DLL} || "perl58")) =~ s/\.dll$//i;
122     print "LIBRARY $dll\n";
123     print "DESCRIPTION 'Perl interpreter'\n";
124     print "EXPORTS\n";
125     if ($define{PERL_IMPLICIT_SYS}) {
126         output_symbol("perl_get_host_info");
127         output_symbol("perl_alloc_override");
128     }
129     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
130         output_symbol("perl_clone_host");
131     }
132 }
133 elsif ($PLATFORM eq 'os2') {
134     if (open my $fh, '<', 'perl5.def') {
135       while (<$fh>) {
136         last if /^\s*EXPORTS\b/;
137       }
138       while (<$fh>) {
139         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
140         # This allows skipping ordinals which were used in older versions
141         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
142       }
143       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
144     }
145     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
146     $v .= '-thread' if $ARCHNAME =~ /-thread/;
147     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
148     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
149     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
150     $d = substr($d, 0, 249) . "...'" if length $d > 253;
151     print <<"---EOP---";
152 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
153 $d
154 STACKSIZE 32768
155 CODE LOADONCALL
156 DATA LOADONCALL NONSHARED MULTIPLE
157 EXPORTS
158 ---EOP---
159 }
160 elsif ($PLATFORM eq 'aix') {
161     $OSVER = `uname -v`;
162     chop $OSVER;
163     $OSREL = `uname -r`;
164     chop $OSREL;
165     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
166         print "#! ..\n";
167     } else {
168         print "#!\n";
169     }
170 }
171 elsif ($PLATFORM eq 'netware') {
172         if ($FILETYPE eq 'def') {
173         print "LIBRARY perl58\n";
174         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
175         print "EXPORTS\n";
176         }
177         if ($define{PERL_IMPLICIT_SYS}) {
178             output_symbol("perl_get_host_info");
179             output_symbol("perl_alloc_override");
180             output_symbol("perl_clone_host");
181         }
182 }
183
184 my %skip;
185 my %export;
186
187 sub skip_symbols {
188     my $list = shift;
189     foreach my $symbol (@$list) {
190         $skip{$symbol} = 1;
191     }
192 }
193
194 sub emit_symbols {
195     my $list = shift;
196     foreach my $symbol (@$list) {
197         my $skipsym = $symbol;
198         # XXX hack
199         if ($define{MULTIPLICITY}) {
200             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
201         }
202         emit_symbol($symbol) unless exists $skip{$skipsym};
203     }
204 }
205
206 if ($PLATFORM eq 'win32') {
207     skip_symbols [qw(
208                      PL_statusvalue_vms
209                      PL_archpat_auto
210                      PL_cryptseen
211                      PL_DBcv
212                      PL_generation
213                      PL_lastgotoprobe
214                      PL_linestart
215                      PL_modcount
216                      PL_pending_ident
217                      PL_sortcxix
218                      PL_sublex_info
219                      PL_timesbuf
220                      main
221                      Perl_ErrorNo
222                      Perl_GetVars
223                      Perl_do_exec3
224                      Perl_do_ipcctl
225                      Perl_do_ipcget
226                      Perl_do_msgrcv
227                      Perl_do_msgsnd
228                      Perl_do_semop
229                      Perl_do_shmio
230                      Perl_dump_fds
231                      Perl_init_thread_intern
232                      Perl_my_bzero
233                      Perl_my_bcopy
234                      Perl_my_htonl
235                      Perl_my_ntohl
236                      Perl_my_swap
237                      Perl_my_chsize
238                      Perl_same_dirent
239                      Perl_setenv_getix
240                      Perl_unlnk
241                      Perl_watch
242                      Perl_safexcalloc
243                      Perl_safexmalloc
244                      Perl_safexfree
245                      Perl_safexrealloc
246                      Perl_my_memcmp
247                      Perl_my_memset
248                      PL_cshlen
249                      PL_cshname
250                      PL_opsave
251                      Perl_do_exec
252                      Perl_getenv_len
253                      Perl_my_pclose
254                      Perl_my_popen
255                      )];
256 }
257 else {
258     skip_symbols [qw(
259                      Perl_do_spawn
260                      Perl_do_spawn_nowait
261                      Perl_do_aspawn
262                      )];
263 }
264 if ($PLATFORM eq 'wince') {
265     skip_symbols [qw(
266                      PL_statusvalue_vms
267                      PL_archpat_auto
268                      PL_cryptseen
269                      PL_DBcv
270                      PL_generation
271                      PL_lastgotoprobe
272                      PL_linestart
273                      PL_modcount
274                      PL_pending_ident
275                      PL_sortcxix
276                      PL_sublex_info
277                      PL_timesbuf
278                      PL_collation_ix
279                      PL_collation_name
280                      PL_collation_standard
281                      PL_collxfrm_base
282                      PL_collxfrm_mult
283                      PL_numeric_compat1
284                      PL_numeric_local
285                      PL_numeric_name
286                      PL_numeric_radix_sv
287                      PL_numeric_standard
288                      PL_vtbl_collxfrm
289                      Perl_sv_collxfrm
290                      setgid
291                      setuid
292                      win32_async_check
293                      win32_free_childdir
294                      win32_free_childenv
295                      win32_get_childdir
296                      win32_get_childenv
297                      win32_spawnvp
298                      main
299                      Perl_ErrorNo
300                      Perl_GetVars
301                      Perl_do_exec3
302                      Perl_do_ipcctl
303                      Perl_do_ipcget
304                      Perl_do_msgrcv
305                      Perl_do_msgsnd
306                      Perl_do_semop
307                      Perl_do_shmio
308                      Perl_dump_fds
309                      Perl_init_thread_intern
310                      Perl_my_bzero
311                      Perl_my_bcopy
312                      Perl_my_htonl
313                      Perl_my_ntohl
314                      Perl_my_swap
315                      Perl_my_chsize
316                      Perl_same_dirent
317                      Perl_setenv_getix
318                      Perl_unlnk
319                      Perl_watch
320                      Perl_safexcalloc
321                      Perl_safexmalloc
322                      Perl_safexfree
323                      Perl_safexrealloc
324                      Perl_my_memcmp
325                      Perl_my_memset
326                      PL_cshlen
327                      PL_cshname
328                      PL_opsave
329                      Perl_do_exec
330                      Perl_getenv_len
331                      Perl_my_pclose
332                      Perl_my_popen
333                      )];
334 }
335 elsif ($PLATFORM eq 'aix') {
336     skip_symbols([qw(
337                      Perl_dump_fds
338                      Perl_ErrorNo
339                      Perl_GetVars
340                      Perl_my_bcopy
341                      Perl_my_bzero
342                      Perl_my_chsize
343                      Perl_my_htonl
344                      Perl_my_memcmp
345                      Perl_my_memset
346                      Perl_my_ntohl
347                      Perl_my_swap
348                      Perl_safexcalloc
349                      Perl_safexfree
350                      Perl_safexmalloc
351                      Perl_safexrealloc
352                      Perl_same_dirent
353                      Perl_unlnk
354                      Perl_sys_intern_clear
355                      Perl_sys_intern_dup
356                      Perl_sys_intern_init
357                      PL_cryptseen
358                      PL_opsave
359                      PL_statusvalue_vms
360                      PL_sys_intern
361                      )]);
362 }
363 elsif ($PLATFORM eq 'os2') {
364     emit_symbols([qw(
365                     ctermid
366                     get_sysinfo
367                     Perl_OS2_init
368                     Perl_OS2_init3
369                     Perl_OS2_term
370                     OS2_Perl_data
371                     dlopen
372                     dlsym
373                     dlerror
374                     dlclose
375                     my_tmpfile
376                     my_tmpnam
377                     my_flock
378                     my_rmdir
379                     my_mkdir
380                     my_getpwuid
381                     my_getpwnam
382                     my_getpwent
383                     my_setpwent
384                     my_endpwent
385                     setgrent
386                     endgrent
387                     getgrent
388                     malloc_mutex
389                     threads_mutex
390                     nthreads
391                     nthreads_cond
392                     os2_cond_wait
393                     os2_stat
394                     pthread_join
395                     pthread_create
396                     pthread_detach
397                     XS_Cwd_change_drive
398                     XS_Cwd_current_drive
399                     XS_Cwd_extLibpath
400                     XS_Cwd_extLibpath_set
401                     XS_Cwd_sys_abspath
402                     XS_Cwd_sys_chdir
403                     XS_Cwd_sys_cwd
404                     XS_Cwd_sys_is_absolute
405                     XS_Cwd_sys_is_relative
406                     XS_Cwd_sys_is_rooted
407                     XS_DynaLoader_mod2fname
408                     XS_File__Copy_syscopy
409                     Perl_Register_MQ
410                     Perl_Deregister_MQ
411                     Perl_Serve_Messages
412                     Perl_Process_Messages
413                     init_PMWIN_entries
414                     PMWIN_entries
415                     Perl_hab_GET
416                     loadByOrdinal
417                     pExtFCN
418                     os2error
419                     ResetWinError
420                     CroakWinError
421                     )]);
422 }
423 elsif ($PLATFORM eq 'MacOS') {
424     skip_symbols [qw(
425                     Perl_GetVars
426                     PL_cryptseen
427                     PL_cshlen
428                     PL_cshname
429                     PL_statusvalue_vms
430                     PL_sys_intern
431                     PL_opsave
432                     PL_timesbuf
433                     Perl_dump_fds
434                     Perl_my_bcopy
435                     Perl_my_bzero
436                     Perl_my_chsize
437                     Perl_my_htonl
438                     Perl_my_memcmp
439                     Perl_my_memset
440                     Perl_my_ntohl
441                     Perl_my_swap
442                     Perl_safexcalloc
443                     Perl_safexfree
444                     Perl_safexmalloc
445                     Perl_safexrealloc
446                     Perl_unlnk
447                     Perl_sys_intern_clear
448                     Perl_sys_intern_init
449                     )];
450 }
451 elsif ($PLATFORM eq 'netware') {
452         skip_symbols [qw(
453                         PL_statusvalue_vms
454                         PL_archpat_auto
455                         PL_cryptseen
456                         PL_DBcv
457                         PL_generation
458                         PL_lastgotoprobe
459                         PL_linestart
460                         PL_modcount
461                         PL_pending_ident
462                         PL_sortcxix
463                         PL_sublex_info
464                         PL_timesbuf
465                         main
466                         Perl_ErrorNo
467                         Perl_GetVars
468                         Perl_do_exec3
469                         Perl_do_ipcctl
470                         Perl_do_ipcget
471                         Perl_do_msgrcv
472                         Perl_do_msgsnd
473                         Perl_do_semop
474                         Perl_do_shmio
475                         Perl_dump_fds
476                         Perl_init_thread_intern
477                         Perl_my_bzero
478                         Perl_my_htonl
479                         Perl_my_ntohl
480                         Perl_my_swap
481                         Perl_my_chsize
482                         Perl_same_dirent
483                         Perl_setenv_getix
484                         Perl_unlnk
485                         Perl_watch
486                         Perl_safexcalloc
487                         Perl_safexmalloc
488                         Perl_safexfree
489                         Perl_safexrealloc
490                         Perl_my_memcmp
491                         Perl_my_memset
492                         PL_cshlen
493                         PL_cshname
494                         PL_opsave
495                         Perl_do_exec
496                         Perl_getenv_len
497                         Perl_my_pclose
498                         Perl_my_popen
499                         Perl_sys_intern_init
500                         Perl_sys_intern_dup
501                         Perl_sys_intern_clear
502                         Perl_my_bcopy
503                         Perl_PerlIO_write
504                         Perl_PerlIO_unread
505                         Perl_PerlIO_tell
506                         Perl_PerlIO_stdout
507                         Perl_PerlIO_stdin
508                         Perl_PerlIO_stderr
509                         Perl_PerlIO_setlinebuf
510                         Perl_PerlIO_set_ptrcnt
511                         Perl_PerlIO_set_cnt
512                         Perl_PerlIO_seek
513                         Perl_PerlIO_read
514                         Perl_PerlIO_get_ptr
515                         Perl_PerlIO_get_cnt
516                         Perl_PerlIO_get_bufsiz
517                         Perl_PerlIO_get_base
518                         Perl_PerlIO_flush
519                         Perl_PerlIO_fill
520                         Perl_PerlIO_fileno
521                         Perl_PerlIO_error
522                         Perl_PerlIO_eof
523                         Perl_PerlIO_close
524                         Perl_PerlIO_clearerr
525                         PerlIO_perlio
526                         )];
527 }
528
529 unless ($define{'DEBUGGING'}) {
530     skip_symbols [qw(
531                     Perl_deb_growlevel
532                     Perl_debop
533                     Perl_debprofdump
534                     Perl_debstack
535                     Perl_debstackptrs
536                     Perl_sv_peek
537                     PL_block_type
538                     PL_watchaddr
539                     PL_watchok
540                     )];
541 }
542
543 if ($define{'PERL_IMPLICIT_SYS'}) {
544     skip_symbols [qw(
545                     Perl_getenv_len
546                     Perl_my_popen
547                     Perl_my_pclose
548                     )];
549 }
550 else {
551     skip_symbols [qw(
552                     PL_Mem
553                     PL_MemShared
554                     PL_MemParse
555                     PL_Env
556                     PL_StdIO
557                     PL_LIO
558                     PL_Dir
559                     PL_Sock
560                     PL_Proc
561                     )];
562 }
563
564 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
565     skip_symbols [qw(
566                     PL_protect
567                     Perl_default_protect
568                     Perl_vdefault_protect
569                     )];
570 }
571
572 unless ($define{'USE_REENTRANT_API'}) {
573     skip_symbols [qw(
574                     PL_reentrant_buffer
575                     )];
576 }
577
578 if ($define{'MYMALLOC'}) {
579     emit_symbols [qw(
580                     Perl_dump_mstats
581                     Perl_get_mstats
582                     Perl_strdup
583                     Perl_putenv
584                     )];
585     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
586         emit_symbols [qw(
587                         PL_malloc_mutex
588                         )];
589     }
590     else {
591         skip_symbols [qw(
592                         PL_malloc_mutex
593                         )];
594     }
595 }
596 else {
597     skip_symbols [qw(
598                     PL_malloc_mutex
599                     Perl_dump_mstats
600                     Perl_get_mstats
601                     Perl_malloced_size
602                     )];
603 }
604
605 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
606     skip_symbols [qw(
607                     PL_thr_key
608                     )];
609 }
610
611 unless ($define{'USE_5005THREADS'}) {
612     skip_symbols [qw(
613                     PL_sv_mutex
614                     PL_strtab_mutex
615                     PL_svref_mutex
616                     PL_cred_mutex
617                     PL_eval_mutex
618                     PL_fdpid_mutex
619                     PL_sv_lock_mutex
620                     PL_eval_cond
621                     PL_eval_owner
622                     PL_threads_mutex
623                     PL_nthreads
624                     PL_nthreads_cond
625                     PL_threadnum
626                     PL_threadsv_names
627                     PL_thrsv
628                     PL_vtbl_mutex
629                     Perl_condpair_magic
630                     Perl_new_struct_thread
631                     Perl_per_thread_magicals
632                     Perl_thread_create
633                     Perl_find_threadsv
634                     Perl_unlock_condpair
635                     Perl_magic_mutexfree
636                     Perl_sv_lock
637                     )];
638 }
639
640 unless ($define{'USE_ITHREADS'}) {
641     skip_symbols [qw(
642                     PL_ptr_table
643                     PL_op_mutex
644                     PL_regex_pad
645                     PL_regex_padav
646                     PL_sharedsv_space
647                     PL_sharedsv_space_mutex
648                     Perl_dirp_dup
649                     Perl_cx_dup
650                     Perl_si_dup
651                     Perl_any_dup
652                     Perl_ss_dup
653                     Perl_fp_dup
654                     Perl_gp_dup
655                     Perl_he_dup
656                     Perl_mg_dup
657                     Perl_re_dup
658                     Perl_sv_dup
659                     Perl_sys_intern_dup
660                     Perl_ptr_table_clear
661                     Perl_ptr_table_fetch
662                     Perl_ptr_table_free
663                     Perl_ptr_table_new
664                     Perl_ptr_table_clear
665                     Perl_ptr_table_free
666                     Perl_ptr_table_split
667                     Perl_ptr_table_store
668                     perl_clone
669                     perl_clone_using
670                     Perl_sharedsv_find
671                     Perl_sharedsv_init
672                     Perl_sharedsv_lock
673                     Perl_sharedsv_new
674                     Perl_sharedsv_thrcnt_dec
675                     Perl_sharedsv_thrcnt_inc
676                     Perl_sharedsv_unlock
677                     )];
678 }
679
680 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
681     skip_symbols [qw(
682                     Perl_croak_nocontext
683                     Perl_die_nocontext
684                     Perl_deb_nocontext
685                     Perl_form_nocontext
686                     Perl_load_module_nocontext
687                     Perl_mess_nocontext
688                     Perl_warn_nocontext
689                     Perl_warner_nocontext
690                     Perl_newSVpvf_nocontext
691                     Perl_sv_catpvf_nocontext
692                     Perl_sv_setpvf_nocontext
693                     Perl_sv_catpvf_mg_nocontext
694                     Perl_sv_setpvf_mg_nocontext
695                     )];
696 }
697
698 unless ($define{'PERL_IMPLICIT_SYS'}) {
699     skip_symbols [qw(
700                     perl_alloc_using
701                     perl_clone_using
702                     )];
703 }
704
705 unless ($define{'FAKE_THREADS'}) {
706     skip_symbols [qw(PL_curthr)];
707 }
708
709 unless ($define{'PL_OP_SLAB_ALLOC'}) {
710     skip_symbols [qw(
711                      PL_OpPtr
712                      PL_OpSlab
713                      PL_OpSpace
714                     )];
715 }
716
717 sub readvar {
718     my $file = shift;
719     my $proc = shift || sub { "PL_$_[2]" };
720     open(VARS,$file) || die "Cannot open $file: $!\n";
721     my @syms;
722     while (<VARS>) {
723         # All symbols have a Perl_ prefix because that's what embed.h
724         # sticks in front of them.
725         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
726     }
727     close(VARS);
728     return \@syms;
729 }
730
731 if ($define{'USE_5005THREADS'}) {
732     my $thrd = readvar($thrdvar_h);
733     skip_symbols $thrd;
734 }
735
736 if ($define{'PERL_GLOBAL_STRUCT'}) {
737     my $global = readvar($perlvars_h);
738     skip_symbols $global;
739     emit_symbol('Perl_GetVars');
740     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
741 }
742
743 # functions from *.sym files
744
745 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
746
747 # Symbols that are the public face of the PerlIO layers implementation
748 # These are in _addition to_ the public face of the abstraction
749 # and need to be exported to allow XS modules to implement layers
750 my @layer_syms = qw(
751                          PerlIOBase_clearerr
752                          PerlIOBase_close
753                          PerlIOBase_dup
754                          PerlIOBase_eof
755                          PerlIOBase_error
756                          PerlIOBase_fileno
757                          PerlIOBase_pushed
758                          PerlIOBase_binmode
759                          PerlIOBase_popped
760                          PerlIOBase_read
761                          PerlIOBase_setlinebuf
762                          PerlIOBase_unread
763                          PerlIOBuf_bufsiz
764                          PerlIOBuf_fill
765                          PerlIOBuf_flush
766                          PerlIOBuf_get_base
767                          PerlIOBuf_get_cnt
768                          PerlIOBuf_get_ptr
769                          PerlIOBuf_open
770                          PerlIOBuf_pushed
771                          PerlIOBuf_popped
772                          PerlIOBuf_read
773                          PerlIOBuf_seek
774                          PerlIOBuf_set_ptrcnt
775                          PerlIOBuf_tell
776                          PerlIOBuf_unread
777                          PerlIOBuf_write
778                          PerlIO_debug
779                          PerlIO_allocate
780                          PerlIO_apply_layera
781                          PerlIO_apply_layers
782                          PerlIO_arg_fetch
783                          PerlIO_define_layer
784                          PerlIO_modestr
785                          PerlIO_parse_layers
786                          PerlIO_layer_fetch
787                          PerlIO_list_free
788                          PerlIO_apply_layera
789                          PerlIO_pending
790                          PerlIO_push
791                          PerlIO_pop
792                          PerlIO_sv_dup
793                          PerlIO_perlio
794
795 Perl_PerlIO_clearerr
796 Perl_PerlIO_close
797 Perl_PerlIO_eof
798 Perl_PerlIO_error
799 Perl_PerlIO_fileno
800 Perl_PerlIO_fill
801 Perl_PerlIO_flush
802 Perl_PerlIO_get_base
803 Perl_PerlIO_get_bufsiz
804 Perl_PerlIO_get_cnt
805 Perl_PerlIO_get_ptr
806 Perl_PerlIO_read
807 Perl_PerlIO_seek
808 Perl_PerlIO_set_cnt
809 Perl_PerlIO_set_ptrcnt
810 Perl_PerlIO_setlinebuf
811 Perl_PerlIO_stderr
812 Perl_PerlIO_stdin
813 Perl_PerlIO_stdout
814 Perl_PerlIO_tell
815 Perl_PerlIO_unread
816 Perl_PerlIO_write
817
818 );
819 if ($PLATFORM eq 'netware') {
820     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
821 }
822
823 if ($define{'USE_PERLIO'}) {
824     # Export the symols that make up the PerlIO abstraction, regardless
825     # of its implementation - read from a file
826     push @syms, $perlio_sym;
827
828     # This part is then dependent on how the abstraction is implemented
829     if ($define{'USE_SFIO'}) {
830         # Old legacy non-stdio "PerlIO"
831         skip_symbols \@layer_syms;
832         # SFIO defines most of the PerlIO routines as macros
833         # So undo most of what $perlio_sym has just done - d'oh !
834         # Perhaps it would be better to list the ones which do exist
835         # And emit them
836         skip_symbols [qw(
837                          PerlIO_canset_cnt
838                          PerlIO_clearerr
839                          PerlIO_close
840                          PerlIO_eof
841                          PerlIO_error
842                          PerlIO_exportFILE
843                          PerlIO_fast_gets
844                          PerlIO_fdopen
845                          PerlIO_fileno
846                          PerlIO_findFILE
847                          PerlIO_flush
848                          PerlIO_get_base
849                          PerlIO_get_bufsiz
850                          PerlIO_get_cnt
851                          PerlIO_get_ptr
852                          PerlIO_getc
853                          PerlIO_getname
854                          PerlIO_has_base
855                          PerlIO_has_cntptr
856                          PerlIO_importFILE
857                          PerlIO_open
858                          PerlIO_printf
859                          PerlIO_putc
860                          PerlIO_puts
861                          PerlIO_read
862                          PerlIO_releaseFILE
863                          PerlIO_reopen
864                          PerlIO_rewind
865                          PerlIO_seek
866                          PerlIO_set_cnt
867                          PerlIO_set_ptrcnt
868                          PerlIO_setlinebuf
869                          PerlIO_sprintf
870                          PerlIO_stderr
871                          PerlIO_stdin
872                          PerlIO_stdout
873                          PerlIO_stdoutf
874                          PerlIO_tell
875                          PerlIO_ungetc
876                          PerlIO_vprintf
877                          PerlIO_write
878                          PerlIO_perlio
879                          Perl_PerlIO_clearerr
880                          Perl_PerlIO_close
881                          Perl_PerlIO_eof
882                          Perl_PerlIO_error
883                          Perl_PerlIO_fileno
884                          Perl_PerlIO_fill
885                          Perl_PerlIO_flush
886                          Perl_PerlIO_get_base
887                          Perl_PerlIO_get_bufsiz
888                          Perl_PerlIO_get_cnt
889                          Perl_PerlIO_get_ptr
890                          Perl_PerlIO_read
891                          Perl_PerlIO_seek
892                          Perl_PerlIO_set_cnt
893                          Perl_PerlIO_set_ptrcnt
894                          Perl_PerlIO_setlinebuf
895                          Perl_PerlIO_stderr
896                          Perl_PerlIO_stdin
897                          Perl_PerlIO_stdout
898                          Perl_PerlIO_tell
899                          Perl_PerlIO_unread
900                          Perl_PerlIO_write
901                          PL_def_layerlist
902                          PL_known_layers
903                          PL_perlio
904                          )];
905     }
906     else {
907         # PerlIO with layers - export implementation
908         emit_symbols \@layer_syms;
909     }
910 } else {
911         # -Uuseperlio
912         # Skip the PerlIO layer symbols - although
913         # nothing should have exported them any way
914         skip_symbols \@layer_syms;
915         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
916
917         # Also do NOT add abstraction symbols from $perlio_sym
918         # abstraction is done as #define to stdio
919         # Remaining remnants that _may_ be functions
920         # are handled in <DATA>
921 }
922
923 for my $syms (@syms) {
924     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
925     while (<GLOBAL>) {
926         next if (!/^[A-Za-z]/);
927         # Functions have a Perl_ prefix
928         # Variables have a PL_ prefix
929         chomp($_);
930         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
931         $symbol .= $_;
932         emit_symbol($symbol) unless exists $skip{$symbol};
933     }
934     close(GLOBAL);
935 }
936
937 # variables
938
939 if ($define{'MULTIPLICITY'}) {
940     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
941         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
942         emit_symbols $glob;
943     }
944     # XXX AIX seems to want the perlvars.h symbols, for some reason
945     if ($PLATFORM eq 'aix') {
946         my $glob = readvar($perlvars_h);
947         emit_symbols $glob;
948     }
949 }
950 else {
951     unless ($define{'PERL_GLOBAL_STRUCT'}) {
952         my $glob = readvar($perlvars_h);
953         emit_symbols $glob;
954     }
955     unless ($define{'MULTIPLICITY'}) {
956         my $glob = readvar($intrpvar_h);
957         emit_symbols $glob;
958     }
959     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
960         my $glob = readvar($thrdvar_h);
961         emit_symbols $glob;
962     }
963 }
964
965 sub try_symbol {
966     my $symbol = shift;
967
968     return if $symbol !~ /^[A-Za-z_]/;
969     return if $symbol =~ /^\#/;
970     $symbol =~s/\r//g;
971     chomp($symbol);
972     return if exists $skip{$symbol};
973     emit_symbol($symbol);
974 }
975
976 while (<DATA>) {
977     try_symbol($_);
978 }
979
980 if ($PLATFORM =~ /^win(?:32|ce)$/) {
981     foreach my $symbol (qw(
982                             setuid
983                             setgid
984                             boot_DynaLoader
985                             Perl_init_os_extras
986                             Perl_thread_create
987                             Perl_win32_init
988                             RunPerl
989                             win32_async_check
990                             win32_errno
991                             win32_environ
992                             win32_abort
993                             win32_fstat
994                             win32_stat
995                             win32_pipe
996                             win32_popen
997                             win32_pclose
998                             win32_rename
999                             win32_setmode
1000                             win32_lseek
1001                             win32_tell
1002                             win32_dup
1003                             win32_dup2
1004                             win32_open
1005                             win32_close
1006                             win32_eof
1007                             win32_read
1008                             win32_write
1009                             win32_spawnvp
1010                             win32_mkdir
1011                             win32_rmdir
1012                             win32_chdir
1013                             win32_flock
1014                             win32_execv
1015                             win32_execvp
1016                             win32_htons
1017                             win32_ntohs
1018                             win32_htonl
1019                             win32_ntohl
1020                             win32_inet_addr
1021                             win32_inet_ntoa
1022                             win32_socket
1023                             win32_bind
1024                             win32_listen
1025                             win32_accept
1026                             win32_connect
1027                             win32_send
1028                             win32_sendto
1029                             win32_recv
1030                             win32_recvfrom
1031                             win32_shutdown
1032                             win32_closesocket
1033                             win32_ioctlsocket
1034                             win32_setsockopt
1035                             win32_getsockopt
1036                             win32_getpeername
1037                             win32_getsockname
1038                             win32_gethostname
1039                             win32_gethostbyname
1040                             win32_gethostbyaddr
1041                             win32_getprotobyname
1042                             win32_getprotobynumber
1043                             win32_getservbyname
1044                             win32_getservbyport
1045                             win32_select
1046                             win32_endhostent
1047                             win32_endnetent
1048                             win32_endprotoent
1049                             win32_endservent
1050                             win32_getnetent
1051                             win32_getnetbyname
1052                             win32_getnetbyaddr
1053                             win32_getprotoent
1054                             win32_getservent
1055                             win32_sethostent
1056                             win32_setnetent
1057                             win32_setprotoent
1058                             win32_setservent
1059                             win32_getenv
1060                             win32_putenv
1061                             win32_perror
1062                             win32_malloc
1063                             win32_calloc
1064                             win32_realloc
1065                             win32_free
1066                             win32_sleep
1067                             win32_times
1068                             win32_access
1069                             win32_alarm
1070                             win32_chmod
1071                             win32_open_osfhandle
1072                             win32_get_osfhandle
1073                             win32_ioctl
1074                             win32_link
1075                             win32_unlink
1076                             win32_utime
1077                             win32_gettimeofday
1078                             win32_uname
1079                             win32_wait
1080                             win32_waitpid
1081                             win32_kill
1082                             win32_str_os_error
1083                             win32_opendir
1084                             win32_readdir
1085                             win32_telldir
1086                             win32_seekdir
1087                             win32_rewinddir
1088                             win32_closedir
1089                             win32_longpath
1090                             win32_os_id
1091                             win32_getpid
1092                             win32_crypt
1093                             win32_dynaload
1094                             win32_get_childenv
1095                             win32_free_childenv
1096                             win32_clearenv
1097                             win32_get_childdir
1098                             win32_free_childdir
1099                             win32_stdin
1100                             win32_stdout
1101                             win32_stderr
1102                             win32_ferror
1103                             win32_feof
1104                             win32_strerror
1105                             win32_fprintf
1106                             win32_printf
1107                             win32_vfprintf
1108                             win32_vprintf
1109                             win32_fread
1110                             win32_fwrite
1111                             win32_fopen
1112                             win32_fdopen
1113                             win32_freopen
1114                             win32_fclose
1115                             win32_fputs
1116                             win32_fputc
1117                             win32_ungetc
1118                             win32_getc
1119                             win32_fileno
1120                             win32_clearerr
1121                             win32_fflush
1122                             win32_ftell
1123                             win32_fseek
1124                             win32_fgetpos
1125                             win32_fsetpos
1126                             win32_rewind
1127                             win32_tmpfile
1128                             win32_setbuf
1129                             win32_setvbuf
1130                             win32_flushall
1131                             win32_fcloseall
1132                             win32_fgets
1133                             win32_gets
1134                             win32_fgetc
1135                             win32_putc
1136                             win32_puts
1137                             win32_getchar
1138                             win32_putchar
1139                            ))
1140     {
1141         try_symbol($symbol);
1142     }
1143 }
1144 elsif ($PLATFORM eq 'os2') {
1145     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1146     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1147     close MAP or die 'Cannot close miniperl.map';
1148
1149     @missing = grep { !exists $mapped{$_} }
1150                     keys %export;
1151     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1152     delete $export{$_} foreach @missing;
1153 }
1154 elsif ($PLATFORM eq 'MacOS') {
1155     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1156
1157     while (<MACSYMS>) {
1158         try_symbol($_);
1159     }
1160
1161     close MACSYMS;
1162 }
1163 elsif ($PLATFORM eq 'netware') {
1164 foreach my $symbol (qw(
1165                         boot_DynaLoader
1166                         Perl_init_os_extras
1167                         Perl_thread_create
1168                         Perl_nw5_init
1169                         RunPerl
1170                         AllocStdPerl
1171                         FreeStdPerl
1172                         do_spawn2
1173                         do_aspawn
1174                         nw_uname
1175                         nw_stdin
1176                         nw_stdout
1177                         nw_stderr
1178                         nw_feof
1179                         nw_ferror
1180                         nw_fopen
1181                         nw_fclose
1182                         nw_clearerr
1183                         nw_getc
1184                         nw_fgets
1185                         nw_fputc
1186                         nw_fputs
1187                         nw_fflush
1188                         nw_ungetc
1189                         nw_fileno
1190                         nw_fdopen
1191                         nw_freopen
1192                         nw_fread
1193                         nw_fwrite
1194                         nw_setbuf
1195                         nw_setvbuf
1196                         nw_vfprintf
1197                         nw_ftell
1198                         nw_fseek
1199                         nw_rewind
1200                         nw_tmpfile
1201                         nw_fgetpos
1202                         nw_fsetpos
1203                         nw_dup
1204                         nw_access
1205                         nw_chmod
1206                         nw_chsize
1207                         nw_close
1208                         nw_dup2
1209                         nw_flock
1210                         nw_isatty
1211                         nw_link
1212                         nw_lseek
1213                         nw_stat
1214                         nw_mktemp
1215                         nw_open
1216                         nw_read
1217                         nw_rename
1218                         nw_setmode
1219                         nw_unlink
1220                         nw_utime
1221                         nw_write
1222                         nw_chdir
1223                         nw_rmdir
1224                         nw_closedir
1225                         nw_opendir
1226                         nw_readdir
1227                         nw_rewinddir
1228                         nw_seekdir
1229                         nw_telldir
1230                         nw_htonl
1231                         nw_htons
1232                         nw_ntohl
1233                         nw_ntohs
1234                         nw_accept
1235                         nw_bind
1236                         nw_connect
1237                         nw_endhostent
1238                         nw_endnetent
1239                         nw_endprotoent
1240                         nw_endservent
1241                         nw_gethostbyaddr
1242                         nw_gethostbyname
1243                         nw_gethostent
1244                         nw_gethostname
1245                         nw_getnetbyaddr
1246                         nw_getnetbyname
1247                         nw_getnetent
1248                         nw_getpeername
1249                         nw_getprotobyname
1250                         nw_getprotobynumber
1251                         nw_getprotoent
1252                         nw_getservbyname
1253                         nw_getservbyport
1254                         nw_getservent
1255                         nw_getsockname
1256                         nw_getsockopt
1257                         nw_inet_addr
1258                         nw_listen
1259                         nw_socket
1260                         nw_recv
1261                         nw_recvfrom
1262                         nw_select
1263                         nw_send
1264                         nw_sendto
1265                         nw_sethostent
1266                         nw_setnetent
1267                         nw_setprotoent
1268                         nw_setservent
1269                         nw_setsockopt
1270                         nw_inet_ntoa
1271                         nw_shutdown
1272                         nw_crypt
1273                         nw_execvp
1274                         nw_kill
1275                         nw_Popen
1276                         nw_Pclose
1277                         nw_Pipe
1278                         nw_times
1279                         nw_waitpid
1280                         nw_getpid
1281                         nw_spawnvp
1282                         nw_os_id
1283                         nw_open_osfhandle
1284                         nw_get_osfhandle
1285                         nw_abort
1286                         nw_sleep
1287                         nw_wait
1288                         nw_dynaload
1289                         nw_strerror
1290                         fnFpSetMode
1291                         fnInsertHashListAddrs
1292                         fnGetHashListAddrs
1293                         Perl_deb
1294                         Perl_sv_setsv
1295                         Perl_sv_catsv
1296                         Perl_sv_catpvn
1297                         Perl_sv_2pv
1298                         nw_freeenviron
1299                         Remove_Thread_Ctx
1300                            ))
1301     {
1302         try_symbol($symbol);
1303     }
1304 }
1305
1306 # Now all symbols should be defined because
1307 # next we are going to output them.
1308
1309 foreach my $symbol (sort keys %export) {
1310     output_symbol($symbol);
1311 }
1312
1313 if ($PLATFORM eq 'os2') {
1314         print "; LAST_ORDINAL=$sym_ord\n";
1315 }
1316
1317 sub emit_symbol {
1318     my $symbol = shift;
1319     chomp($symbol);
1320     $export{$symbol} = 1;
1321 }
1322
1323 sub output_symbol {
1324     my $symbol = shift;
1325     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1326         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1327         print "\t$symbol\n";
1328 # XXX: binary compatibility between compilers is an exercise
1329 # in frustration :-(
1330 #        if ($CCTYPE eq "BORLAND") {
1331 #           # workaround Borland quirk by exporting both the straight
1332 #           # name and a name with leading underscore.  Note the
1333 #           # alias *must* come after the symbol itself, if both
1334 #           # are to be exported. (Linker bug?)
1335 #           print "\t_$symbol\n";
1336 #           print "\t$symbol = _$symbol\n";
1337 #       }
1338 #       elsif ($CCTYPE eq 'GCC') {
1339 #           # Symbols have leading _ whole process is $%@"% slow
1340 #           # so skip aliases for now
1341 #           nprint "\t$symbol\n";
1342 #       }
1343 #       else {
1344 #           # for binary coexistence, export both the symbol and
1345 #           # alias with leading underscore
1346 #           print "\t$symbol\n";
1347 #           print "\t_$symbol = $symbol\n";
1348 #       }
1349     }
1350     elsif ($PLATFORM eq 'os2') {
1351         printf qq(    %-31s \@%s\n),
1352           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1353         printf qq(    %-31s \@%s\n),
1354           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1355           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1356           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1357     }
1358     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1359         print "$symbol\n";
1360     }
1361         elsif ($PLATFORM eq 'netware') {
1362         print "\t$symbol,\n";
1363         }
1364 }
1365
1366 1;
1367 __DATA__
1368 # extra globals not included above.
1369 Perl_cxinc
1370 perl_alloc
1371 perl_alloc_using
1372 perl_clone
1373 perl_clone_using
1374 perl_construct
1375 perl_destruct
1376 perl_free
1377 perl_parse
1378 perl_run
1379 # Oddities from PerlIO
1380 PerlIO_binmode
1381 PerlIO_getpos
1382 PerlIO_init
1383 PerlIO_setpos
1384 PerlIO_sprintf
1385 PerlIO_sv_dup
1386 PerlIO_tmpfile
1387 PerlIO_vsprintf
1388 perlsio_binmode