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[perl.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 my %bincompat5005 =
15       (
16        Perl_call_atexit         =>      "perl_atexit",
17        Perl_eval_sv             =>      "perl_eval_sv",
18        Perl_eval_pv             =>      "perl_eval_pv",
19        Perl_call_argv           =>      "perl_call_argv",
20        Perl_call_method         =>      "perl_call_method",
21        Perl_call_pv             =>      "perl_call_pv",
22        Perl_call_sv             =>      "perl_call_sv",
23        Perl_get_av              =>      "perl_get_av",
24        Perl_get_cv              =>      "perl_get_cv",
25        Perl_get_hv              =>      "perl_get_hv",
26        Perl_get_sv              =>      "perl_get_sv",
27        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
28        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
29        Perl_new_collate         =>      "perl_new_collate",
30        Perl_new_ctype           =>      "perl_new_ctype",
31        Perl_new_numeric         =>      "perl_new_numeric",
32        Perl_require_pv          =>      "perl_require_pv",
33        Perl_safesyscalloc       =>      "Perl_safecalloc",
34        Perl_safesysfree         =>      "Perl_safefree",
35        Perl_safesysmalloc       =>      "Perl_safemalloc",
36        Perl_safesysrealloc      =>      "Perl_saferealloc",
37        Perl_set_numeric_local   =>      "perl_set_numeric_local",
38        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
39        Perl_malloc              =>      "malloc",
40        Perl_mfree               =>      "free",
41        Perl_realloc             =>      "realloc",
42        Perl_calloc              =>      "calloc",
43       );
44
45 my $bincompat5005 = join("|", keys %bincompat5005);
46
47 while (@ARGV) {
48     my $flag = shift;
49     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
50     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
51     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
52     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
53         if ($PLATFORM eq 'netware') {
54                 $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
55         }
56 }
57
58 my @PLATFORM = qw(aix win32 os2 MacOS netware);
59 my %PLATFORM;
60 @PLATFORM{@PLATFORM} = ();
61
62 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
63 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
64
65 my $config_sh   = "config.sh";
66 my $config_h    = "config.h";
67 my $thrdvar_h   = "thrdvar.h";
68 my $intrpvar_h  = "intrpvar.h";
69 my $perlvars_h  = "perlvars.h";
70 my $global_sym  = "global.sym";
71 my $pp_sym      = "pp.sym";
72 my $globvar_sym = "globvar.sym";
73 my $perlio_sym  = "perlio.sym";
74
75 if ($PLATFORM eq 'aix') {
76     # Nothing for now.
77 }
78 elsif ($PLATFORM eq 'win32' || $PLATFORM eq 'netware') {
79     $CCTYPE = "MSVC" unless defined $CCTYPE;
80     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
81                 $pp_sym, $globvar_sym, $perlio_sym) {
82         s!^!..\\!;
83     }
84 }
85 elsif ($PLATFORM eq 'MacOS') {
86     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
87                 $pp_sym, $globvar_sym, $perlio_sym) {
88         s!^!::!;
89     }
90 }
91
92 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
93     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
94     while (<CFG>) {
95         if (/^(?:ccflags|optimize)='(.+)'$/) {
96             $_ = $1;
97             $define{$1} = 1 while /-D(\w+)/g;
98         }
99         if ($PLATFORM eq 'os2') {
100             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
101             $ARCHNAME =    $1 if /^archname='(.+)'$/;
102             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
103         }
104     }
105     close(CFG);
106 }
107
108 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
109 while (<CFG>) {
110     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
111     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
112     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
113     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
114 }
115 close(CFG);
116
117 # perl.h logic duplication begins
118
119 if ($define{PERL_IMPLICIT_SYS}) {
120     $define{PL_OP_SLAB_ALLOC} = 1;
121 }
122
123 if ($define{USE_ITHREADS}) {
124     if (!$define{MULTIPLICITY}) {
125         $define{MULTIPLICITY} = 1;
126     }
127 }
128
129 $define{PERL_IMPLICIT_CONTEXT} ||=
130     $define{USE_ITHREADS} ||
131     $define{USE_5005THREADS}  ||
132     $define{MULTIPLICITY} ;
133
134 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
135     $define{USE_REENTRANT_API} = 1;
136 }
137
138 # perl.h logic duplication ends
139
140 my $sym_ord = 0;
141
142 if ($PLATFORM eq 'win32') {
143     warn join(' ',keys %define)."\n";
144     print "LIBRARY Perl57\n";
145     print "DESCRIPTION 'Perl interpreter'\n";
146     print "EXPORTS\n";
147     if ($define{PERL_IMPLICIT_SYS}) {
148         output_symbol("perl_get_host_info");
149         output_symbol("perl_alloc_override");
150         output_symbol("perl_clone_host");
151     }
152 }
153 elsif ($PLATFORM eq 'os2') {
154     if (open my $fh, '<', 'perl5.def') {
155       while (<$fh>) {
156         last if /^\s*EXPORTS\b/;
157       }
158       while (<$fh>) {
159         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*\@(\d+)\s*$/;
160         # This allows skipping ordinals which were used in older versions
161         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
162       }
163       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
164     }
165     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
166     $v .= '-thread' if $ARCHNAME =~ /-thread/;
167     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
168     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
169     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
170     $d = substr($d, 0, 249) . "...'" if length $d > 253;
171     print <<"---EOP---";
172 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
173 $d
174 STACKSIZE 32768
175 CODE LOADONCALL
176 DATA LOADONCALL NONSHARED MULTIPLE
177 EXPORTS
178 ---EOP---
179 }
180 elsif ($PLATFORM eq 'aix') {
181     $OSVER = `uname -v`;
182     chop $OSVER;
183     $OSREL = `uname -r`;
184     chop $OSREL;
185     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
186         print "#! ..\n";
187     } else {
188         print "#!\n";
189     }
190 }
191 elsif ($PLATFORM eq 'netware') {
192         if ($FILETYPE eq 'def') {
193         print "LIBRARY Perl57\n";
194         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
195         print "EXPORTS\n";
196         }
197         if ($define{PERL_IMPLICIT_SYS}) {
198             output_symbol("perl_get_host_info");
199             output_symbol("perl_alloc_override");
200             output_symbol("perl_clone_host");
201         }
202 }
203
204 my %skip;
205 my %export;
206
207 sub skip_symbols {
208     my $list = shift;
209     foreach my $symbol (@$list) {
210         $skip{$symbol} = 1;
211     }
212 }
213
214 sub emit_symbols {
215     my $list = shift;
216     foreach my $symbol (@$list) {
217         my $skipsym = $symbol;
218         # XXX hack
219         if ($define{MULTIPLICITY}) {
220             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
221         }
222         emit_symbol($symbol) unless exists $skip{$skipsym};
223     }
224 }
225
226 if ($PLATFORM eq 'win32') {
227     skip_symbols [qw(
228                      PL_statusvalue_vms
229                      PL_archpat_auto
230                      PL_cryptseen
231                      PL_DBcv
232                      PL_generation
233                      PL_lastgotoprobe
234                      PL_linestart
235                      PL_modcount
236                      PL_pending_ident
237                      PL_sortcxix
238                      PL_sublex_info
239                      PL_timesbuf
240                      main
241                      Perl_ErrorNo
242                      Perl_GetVars
243                      Perl_do_exec3
244                      Perl_do_ipcctl
245                      Perl_do_ipcget
246                      Perl_do_msgrcv
247                      Perl_do_msgsnd
248                      Perl_do_semop
249                      Perl_do_shmio
250                      Perl_dump_fds
251                      Perl_init_thread_intern
252                      Perl_my_bzero
253                      Perl_my_bcopy
254                      Perl_my_htonl
255                      Perl_my_ntohl
256                      Perl_my_swap
257                      Perl_my_chsize
258                      Perl_same_dirent
259                      Perl_setenv_getix
260                      Perl_unlnk
261                      Perl_watch
262                      Perl_safexcalloc
263                      Perl_safexmalloc
264                      Perl_safexfree
265                      Perl_safexrealloc
266                      Perl_my_memcmp
267                      Perl_my_memset
268                      PL_cshlen
269                      PL_cshname
270                      PL_opsave
271                      Perl_do_exec
272                      Perl_getenv_len
273                      Perl_my_pclose
274                      Perl_my_popen
275                      )];
276 }
277 elsif ($PLATFORM eq 'aix') {
278     skip_symbols([qw(
279                      Perl_dump_fds
280                      Perl_ErrorNo
281                      Perl_GetVars
282                      Perl_my_bcopy
283                      Perl_my_bzero
284                      Perl_my_chsize
285                      Perl_my_htonl
286                      Perl_my_memcmp
287                      Perl_my_memset
288                      Perl_my_ntohl
289                      Perl_my_swap
290                      Perl_safexcalloc
291                      Perl_safexfree
292                      Perl_safexmalloc
293                      Perl_safexrealloc
294                      Perl_same_dirent
295                      Perl_unlnk
296                      Perl_sys_intern_clear
297                      Perl_sys_intern_dup
298                      Perl_sys_intern_init
299                      PL_cryptseen
300                      PL_opsave
301                      PL_statusvalue_vms
302                      PL_sys_intern
303                      )]);
304 }
305 elsif ($PLATFORM eq 'os2') {
306     emit_symbols([qw(
307                     ctermid
308                     get_sysinfo
309                     Perl_OS2_init
310                     Perl_OS2_init3
311                     Perl_OS2_term
312                     OS2_Perl_data
313                     dlopen
314                     dlsym
315                     dlerror
316                     dlclose
317                     my_tmpfile
318                     my_tmpnam
319                     my_flock
320                     my_rmdir
321                     my_mkdir
322                     my_getpwuid
323                     my_getpwnam
324                     my_getpwent
325                     my_setpwent
326                     my_endpwent
327                     setgrent
328                     endgrent
329                     getgrent
330                     malloc_mutex
331                     threads_mutex
332                     nthreads
333                     nthreads_cond
334                     os2_cond_wait
335                     os2_stat
336                     pthread_join
337                     pthread_create
338                     pthread_detach
339                     XS_Cwd_change_drive
340                     XS_Cwd_current_drive
341                     XS_Cwd_extLibpath
342                     XS_Cwd_extLibpath_set
343                     XS_Cwd_sys_abspath
344                     XS_Cwd_sys_chdir
345                     XS_Cwd_sys_cwd
346                     XS_Cwd_sys_is_absolute
347                     XS_Cwd_sys_is_relative
348                     XS_Cwd_sys_is_rooted
349                     XS_DynaLoader_mod2fname
350                     XS_File__Copy_syscopy
351                     Perl_Register_MQ
352                     Perl_Deregister_MQ
353                     Perl_Serve_Messages
354                     Perl_Process_Messages
355                     init_PMWIN_entries
356                     PMWIN_entries
357                     Perl_hab_GET
358                     loadByOrdinal
359                     pExtFCN
360                     os2error
361                     ResetWinError
362                     CroakWinError
363                     )]);
364 }
365 elsif ($PLATFORM eq 'MacOS') {
366     skip_symbols [qw(
367                     Perl_GetVars
368                     PL_cryptseen
369                     PL_cshlen
370                     PL_cshname
371                     PL_statusvalue_vms
372                     PL_sys_intern
373                     PL_opsave
374                     PL_timesbuf
375                     Perl_dump_fds
376                     Perl_my_bcopy
377                     Perl_my_bzero
378                     Perl_my_chsize
379                     Perl_my_htonl
380                     Perl_my_memcmp
381                     Perl_my_memset
382                     Perl_my_ntohl
383                     Perl_my_swap
384                     Perl_safexcalloc
385                     Perl_safexfree
386                     Perl_safexmalloc
387                     Perl_safexrealloc
388                     Perl_unlnk
389                     Perl_sys_intern_clear
390                     Perl_sys_intern_init
391                     )];
392 }
393 elsif ($PLATFORM eq 'netware') {
394         skip_symbols [qw(
395                         PL_statusvalue_vms
396                         PL_archpat_auto
397                         PL_cryptseen
398                         PL_DBcv
399                         PL_generation
400                         PL_lastgotoprobe
401                         PL_linestart
402                         PL_modcount
403                         PL_pending_ident
404                         PL_sortcxix
405                         PL_sublex_info
406                         PL_timesbuf
407                         main
408                         Perl_ErrorNo
409                         Perl_GetVars
410                         Perl_do_exec3
411                         Perl_do_ipcctl
412                         Perl_do_ipcget
413                         Perl_do_msgrcv
414                         Perl_do_msgsnd
415                         Perl_do_semop
416                         Perl_do_shmio
417                         Perl_dump_fds
418                         Perl_init_thread_intern
419                         Perl_my_bzero
420                         Perl_my_htonl
421                         Perl_my_ntohl
422                         Perl_my_swap
423                         Perl_my_chsize
424                         Perl_same_dirent
425                         Perl_setenv_getix
426                         Perl_unlnk
427                         Perl_watch
428                         Perl_safexcalloc
429                         Perl_safexmalloc
430                         Perl_safexfree
431                         Perl_safexrealloc
432                         Perl_my_memcmp
433                         Perl_my_memset
434                         PL_cshlen
435                         PL_cshname
436                         PL_opsave
437                         Perl_do_exec
438                         Perl_getenv_len
439                         Perl_my_pclose
440                         Perl_my_popen
441                         )];
442 }
443
444 unless ($define{'DEBUGGING'}) {
445     skip_symbols [qw(
446                     Perl_deb_growlevel
447                     Perl_debop
448                     Perl_debprofdump
449                     Perl_debstack
450                     Perl_debstackptrs
451                     Perl_sv_peek
452                     PL_block_type
453                     PL_watchaddr
454                     PL_watchok
455                     )];
456 }
457
458 if ($define{'PERL_IMPLICIT_SYS'}) {
459     skip_symbols [qw(
460                     Perl_getenv_len
461                     Perl_my_popen
462                     Perl_my_pclose
463                     )];
464 }
465 else {
466     skip_symbols [qw(
467                     PL_Mem
468                     PL_MemShared
469                     PL_MemParse
470                     PL_Env
471                     PL_StdIO
472                     PL_LIO
473                     PL_Dir
474                     PL_Sock
475                     PL_Proc
476                     )];
477 }
478
479 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
480     skip_symbols [qw(
481                     PL_protect
482                     Perl_default_protect
483                     Perl_vdefault_protect
484                     )];
485 }
486
487 unless ($define{'USE_REENTRANT_API'}) {
488     skip_symbols [qw(
489                     PL_reentrant_buffer
490                     )];
491 }
492
493 if ($define{'MYMALLOC'}) {
494     emit_symbols [qw(
495                     Perl_dump_mstats
496                     Perl_get_mstats
497                     Perl_strdup
498                     Perl_putenv
499                     )];
500     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
501         emit_symbols [qw(
502                         PL_malloc_mutex
503                         )];
504     }
505     else {
506         skip_symbols [qw(
507                         PL_malloc_mutex
508                         )];
509     }
510 }
511 else {
512     skip_symbols [qw(
513                     PL_malloc_mutex
514                     Perl_dump_mstats
515                     Perl_get_mstats
516                     Perl_malloced_size
517                     )];
518 }
519
520 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
521     skip_symbols [qw(
522                     PL_thr_key
523                     )];
524 }
525
526 unless ($define{'USE_5005THREADS'}) {
527     skip_symbols [qw(
528                     PL_sv_mutex
529                     PL_strtab_mutex
530                     PL_svref_mutex
531                     PL_cred_mutex
532                     PL_eval_mutex
533                     PL_fdpid_mutex
534                     PL_sv_lock_mutex
535                     PL_eval_cond
536                     PL_eval_owner
537                     PL_threads_mutex
538                     PL_nthreads
539                     PL_nthreads_cond
540                     PL_threadnum
541                     PL_threadsv_names
542                     PL_thrsv
543                     PL_vtbl_mutex
544                     Perl_condpair_magic
545                     Perl_new_struct_thread
546                     Perl_per_thread_magicals
547                     Perl_thread_create
548                     Perl_find_threadsv
549                     Perl_unlock_condpair
550                     Perl_magic_mutexfree
551                     Perl_sv_lock
552                     )];
553 }
554
555 unless ($define{'USE_ITHREADS'}) {
556     skip_symbols [qw(
557                     PL_ptr_table
558                     PL_op_mutex
559                     PL_regex_pad
560                     PL_regex_padav
561                     PL_sharedsv_space
562                     PL_sharedsv_space_mutex
563                     Perl_dirp_dup
564                     Perl_cx_dup
565                     Perl_si_dup
566                     Perl_any_dup
567                     Perl_ss_dup
568                     Perl_fp_dup
569                     Perl_gp_dup
570                     Perl_he_dup
571                     Perl_mg_dup
572                     Perl_re_dup
573                     Perl_sv_dup
574                     Perl_sys_intern_dup
575                     Perl_ptr_table_clear
576                     Perl_ptr_table_fetch
577                     Perl_ptr_table_free
578                     Perl_ptr_table_new
579                     Perl_ptr_table_clear
580                     Perl_ptr_table_free
581                     Perl_ptr_table_split
582                     Perl_ptr_table_store
583                     perl_clone
584                     perl_clone_using
585                     Perl_sharedsv_find
586                     Perl_sharedsv_init
587                     Perl_sharedsv_lock
588                     Perl_sharedsv_new
589                     Perl_sharedsv_thrcnt_dec
590                     Perl_sharedsv_thrcnt_inc
591                     Perl_sharedsv_unlock
592                     )];
593 }
594
595 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
596     skip_symbols [qw(
597                     Perl_croak_nocontext
598                     Perl_die_nocontext
599                     Perl_deb_nocontext
600                     Perl_form_nocontext
601                     Perl_load_module_nocontext
602                     Perl_mess_nocontext
603                     Perl_warn_nocontext
604                     Perl_warner_nocontext
605                     Perl_newSVpvf_nocontext
606                     Perl_sv_catpvf_nocontext
607                     Perl_sv_setpvf_nocontext
608                     Perl_sv_catpvf_mg_nocontext
609                     Perl_sv_setpvf_mg_nocontext
610                     )];
611 }
612
613 unless ($define{'PERL_IMPLICIT_SYS'}) {
614     skip_symbols [qw(
615                     perl_alloc_using
616                     perl_clone_using
617                     )];
618 }
619
620 unless ($define{'FAKE_THREADS'}) {
621     skip_symbols [qw(PL_curthr)];
622 }
623
624 unless ($define{'PL_OP_SLAB_ALLOC'}) {
625     skip_symbols [qw(
626                      PL_OpPtr
627                      PL_OpSlab
628                      PL_OpSpace
629                     )];
630 }
631
632 sub readvar {
633     my $file = shift;
634     my $proc = shift || sub { "PL_$_[2]" };
635     open(VARS,$file) || die "Cannot open $file: $!\n";
636     my @syms;
637     while (<VARS>) {
638         # All symbols have a Perl_ prefix because that's what embed.h
639         # sticks in front of them.
640         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
641     }
642     close(VARS);
643     return \@syms;
644 }
645
646 if ($define{'USE_5005THREADS'}) {
647     my $thrd = readvar($thrdvar_h);
648     skip_symbols $thrd;
649 }
650
651 if ($define{'PERL_GLOBAL_STRUCT'}) {
652     my $global = readvar($perlvars_h);
653     skip_symbols $global;
654     emit_symbol('Perl_GetVars');
655     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
656 }
657
658 # functions from *.sym files
659
660 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
661
662 my @layer_syms = qw(
663                          PerlIOBase_clearerr
664                          PerlIOBase_close
665                          PerlIOBase_dup
666                          PerlIOBase_eof
667                          PerlIOBase_error
668                          PerlIOBase_fileno
669                          PerlIOBase_pushed
670                          PerlIOBase_read
671                          PerlIOBase_setlinebuf
672                          PerlIOBase_unread
673                          PerlIOBuf_bufsiz
674                          PerlIOBuf_fill
675                          PerlIOBuf_flush
676                          PerlIOBuf_get_cnt
677                          PerlIOBuf_get_ptr
678                          PerlIOBuf_open
679                          PerlIOBuf_pushed
680                          PerlIOBuf_read
681                          PerlIOBuf_seek
682                          PerlIOBuf_set_ptrcnt
683                          PerlIOBuf_tell
684                          PerlIOBuf_unread
685                          PerlIOBuf_write
686                          PerlIO_allocate
687                          PerlIO_arg_fetch
688                          PerlIO_define_layer
689                          PerlIO_modestr
690                          PerlIO_pending
691                          PerlIO_push
692                          PerlIO_sv_dup
693                          PL_def_layerlist
694                          PL_known_layers
695                          PL_perlio
696 );
697
698 if ($define{'USE_PERLIO'}) {
699     push @syms, $perlio_sym;
700     if ($define{'USE_SFIO'}) {
701         skip_symbols \@layer_syms;
702         # SFIO defines most of the PerlIO routines as macros
703         skip_symbols [qw(
704                          PerlIO_canset_cnt
705                          PerlIO_clearerr
706                          PerlIO_close
707                          PerlIO_eof
708                          PerlIO_error
709                          PerlIO_exportFILE
710                          PerlIO_fast_gets
711                          PerlIO_fdopen
712                          PerlIO_fileno
713                          PerlIO_findFILE
714                          PerlIO_flush
715                          PerlIO_get_base
716                          PerlIO_get_bufsiz
717                          PerlIO_get_cnt
718                          PerlIO_get_ptr
719                          PerlIO_getc
720                          PerlIO_getname
721                          PerlIO_has_base
722                          PerlIO_has_cntptr
723                          PerlIO_importFILE
724                          PerlIO_open
725                          PerlIO_printf
726                          PerlIO_putc
727                          PerlIO_puts
728                          PerlIO_read
729                          PerlIO_releaseFILE
730                          PerlIO_reopen
731                          PerlIO_rewind
732                          PerlIO_seek
733                          PerlIO_set_cnt
734                          PerlIO_set_ptrcnt
735                          PerlIO_setlinebuf
736                          PerlIO_sprintf
737                          PerlIO_stderr
738                          PerlIO_stdin
739                          PerlIO_stdout
740                          PerlIO_stdoutf
741                          PerlIO_tell
742                          PerlIO_ungetc
743                          PerlIO_vprintf
744                          PerlIO_write
745                          )];
746     }
747 } else {
748         # Skip the PerlIO New Generation symbols.
749         skip_symbols \@layer_syms;
750 }
751
752 for my $syms (@syms) {
753     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
754     while (<GLOBAL>) {
755         next if (!/^[A-Za-z]/);
756         # Functions have a Perl_ prefix
757         # Variables have a PL_ prefix
758         chomp($_);
759         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
760         $symbol .= $_;
761         emit_symbol($symbol) unless exists $skip{$symbol};
762     }
763     close(GLOBAL);
764 }
765
766 # variables
767
768 if ($define{'MULTIPLICITY'}) {
769     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
770         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
771         emit_symbols $glob;
772     }
773     # XXX AIX seems to want the perlvars.h symbols, for some reason
774     if ($PLATFORM eq 'aix') {
775         my $glob = readvar($perlvars_h);
776         emit_symbols $glob;
777     }
778 }
779 else {
780     unless ($define{'PERL_GLOBAL_STRUCT'}) {
781         my $glob = readvar($perlvars_h);
782         emit_symbols $glob;
783     }
784     unless ($define{'MULTIPLICITY'}) {
785         my $glob = readvar($intrpvar_h);
786         emit_symbols $glob;
787     }
788     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
789         my $glob = readvar($thrdvar_h);
790         emit_symbols $glob;
791     }
792 }
793
794 sub try_symbol {
795     my $symbol = shift;
796
797     return if $symbol !~ /^[A-Za-z_]/;
798     return if $symbol =~ /^\#/;
799     $symbol =~s/\r//g;
800     chomp($symbol);
801     return if exists $skip{$symbol};
802     emit_symbol($symbol);
803 }
804
805 while (<DATA>) {
806     try_symbol($_);
807 }
808
809 if ($PLATFORM eq 'win32') {
810     foreach my $symbol (qw(
811                             setuid
812                             setgid
813                             boot_DynaLoader
814                             Perl_init_os_extras
815                             Perl_thread_create
816                             Perl_win32_init
817                             RunPerl
818                             win32_async_check
819                             win32_errno
820                             win32_environ
821                             win32_abort
822                             win32_fstat
823                             win32_stat
824                             win32_pipe
825                             win32_popen
826                             win32_pclose
827                             win32_rename
828                             win32_setmode
829                             win32_lseek
830                             win32_tell
831                             win32_dup
832                             win32_dup2
833                             win32_open
834                             win32_close
835                             win32_eof
836                             win32_read
837                             win32_write
838                             win32_spawnvp
839                             win32_mkdir
840                             win32_rmdir
841                             win32_chdir
842                             win32_flock
843                             win32_execv
844                             win32_execvp
845                             win32_htons
846                             win32_ntohs
847                             win32_htonl
848                             win32_ntohl
849                             win32_inet_addr
850                             win32_inet_ntoa
851                             win32_socket
852                             win32_bind
853                             win32_listen
854                             win32_accept
855                             win32_connect
856                             win32_send
857                             win32_sendto
858                             win32_recv
859                             win32_recvfrom
860                             win32_shutdown
861                             win32_closesocket
862                             win32_ioctlsocket
863                             win32_setsockopt
864                             win32_getsockopt
865                             win32_getpeername
866                             win32_getsockname
867                             win32_gethostname
868                             win32_gethostbyname
869                             win32_gethostbyaddr
870                             win32_getprotobyname
871                             win32_getprotobynumber
872                             win32_getservbyname
873                             win32_getservbyport
874                             win32_select
875                             win32_endhostent
876                             win32_endnetent
877                             win32_endprotoent
878                             win32_endservent
879                             win32_getnetent
880                             win32_getnetbyname
881                             win32_getnetbyaddr
882                             win32_getprotoent
883                             win32_getservent
884                             win32_sethostent
885                             win32_setnetent
886                             win32_setprotoent
887                             win32_setservent
888                             win32_getenv
889                             win32_putenv
890                             win32_perror
891                             win32_malloc
892                             win32_calloc
893                             win32_realloc
894                             win32_free
895                             win32_sleep
896                             win32_times
897                             win32_access
898                             win32_alarm
899                             win32_chmod
900                             win32_open_osfhandle
901                             win32_get_osfhandle
902                             win32_ioctl
903                             win32_link
904                             win32_unlink
905                             win32_utime
906                             win32_uname
907                             win32_wait
908                             win32_waitpid
909                             win32_kill
910                             win32_str_os_error
911                             win32_opendir
912                             win32_readdir
913                             win32_telldir
914                             win32_seekdir
915                             win32_rewinddir
916                             win32_closedir
917                             win32_longpath
918                             win32_os_id
919                             win32_getpid
920                             win32_crypt
921                             win32_dynaload
922                             win32_get_childenv
923                             win32_free_childenv
924                             win32_clearenv
925                             win32_get_childdir
926                             win32_free_childdir
927                             win32_stdin
928                             win32_stdout
929                             win32_stderr
930                             win32_ferror
931                             win32_feof
932                             win32_strerror
933                             win32_fprintf
934                             win32_printf
935                             win32_vfprintf
936                             win32_vprintf
937                             win32_fread
938                             win32_fwrite
939                             win32_fopen
940                             win32_fdopen
941                             win32_freopen
942                             win32_fclose
943                             win32_fputs
944                             win32_fputc
945                             win32_ungetc
946                             win32_getc
947                             win32_fileno
948                             win32_clearerr
949                             win32_fflush
950                             win32_ftell
951                             win32_fseek
952                             win32_fgetpos
953                             win32_fsetpos
954                             win32_rewind
955                             win32_tmpfile
956                             win32_setbuf
957                             win32_setvbuf
958                             win32_flushall
959                             win32_fcloseall
960                             win32_fgets
961                             win32_gets
962                             win32_fgetc
963                             win32_putc
964                             win32_puts
965                             win32_getchar
966                             win32_putchar
967                            ))
968     {
969         try_symbol($symbol);
970     }
971 }
972 elsif ($PLATFORM eq 'os2') {
973     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
974     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
975     close MAP or die 'Cannot close miniperl.map';
976
977     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
978                     keys %export;
979     delete $export{$_} foreach @missing;
980 }
981 elsif ($PLATFORM eq 'MacOS') {
982     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
983
984     while (<MACSYMS>) {
985         try_symbol($_);
986     }
987
988     close MACSYMS;
989 }
990 elsif ($PLATFORM eq 'netware') {
991 foreach my $symbol (qw(
992                         boot_DynaLoader
993                         Perl_init_os_extras
994                         Perl_thread_create
995                         Perl_nw5_init
996                         RunPerl
997                         AllocStdPerl
998                         FreeStdPerl
999                         do_spawn2
1000                         do_aspawn
1001                         nw_uname
1002                         nw_stdin
1003                         nw_stdout
1004                         nw_stderr
1005                         nw_feof
1006                         nw_ferror
1007                         nw_fopen
1008                         nw_fclose
1009                         nw_clearerr
1010                         nw_getc
1011                         nw_fgets
1012                         nw_fputc
1013                         nw_fputs
1014                         nw_fflush
1015                         nw_ungetc
1016                         nw_fileno
1017                         nw_fdopen
1018                         nw_freopen
1019                         nw_fread
1020                         nw_fwrite
1021                         nw_setbuf
1022                         nw_setvbuf
1023                         nw_vfprintf
1024                         nw_ftell
1025                         nw_fseek
1026                         nw_rewind
1027                         nw_tmpfile
1028                         nw_fgetpos
1029                         nw_fsetpos
1030                         nw_dup
1031                         nw_access
1032                         nw_chmod
1033                         nw_chsize
1034                         nw_close
1035                         nw_dup2
1036                         nw_flock
1037                         nw_isatty
1038                         nw_link
1039                         nw_lseek
1040                         nw_stat
1041                         nw_mktemp
1042                         nw_open
1043                         nw_read
1044                         nw_rename
1045                         nw_setmode
1046                         nw_unlink
1047                         nw_utime
1048                         nw_write
1049                         nw_chdir
1050                         nw_rmdir
1051                         nw_closedir
1052                         nw_opendir
1053                         nw_readdir
1054                         nw_rewinddir
1055                         nw_seekdir
1056                         nw_telldir
1057                         nw_htonl
1058                         nw_htons
1059                         nw_ntohl
1060                         nw_ntohs
1061                         nw_accept
1062                         nw_bind
1063                         nw_connect
1064                         nw_endhostent
1065                         nw_endnetent
1066                         nw_endprotoent
1067                         nw_endservent
1068                         nw_gethostbyaddr
1069                         nw_gethostbyname
1070                         nw_gethostent
1071                         nw_gethostname
1072                         nw_getnetbyaddr
1073                         nw_getnetbyname
1074                         nw_getnetent
1075                         nw_getpeername
1076                         nw_getprotobyname
1077                         nw_getprotobynumber
1078                         nw_getprotoent
1079                         nw_getservbyname
1080                         nw_getservbyport
1081                         nw_getservent
1082                         nw_getsockname
1083                         nw_getsockopt
1084                         nw_inet_addr
1085                         nw_listen
1086                         nw_socket
1087                         nw_recv
1088                         nw_recvfrom
1089                         nw_select
1090                         nw_send
1091                         nw_sendto
1092                         nw_sethostent
1093                         nw_setnetent
1094                         nw_setprotoent
1095                         nw_setservent
1096                         nw_setsockopt
1097                         nw_inet_ntoa
1098                         nw_shutdown
1099                         nw_crypt
1100                         nw_execvp
1101                         nw_kill
1102                         nw_Popen
1103                         nw_Pclose
1104                         nw_Pipe
1105                         nw_times
1106                         nw_waitpid
1107                         nw_getpid
1108                         nw_spawnvp
1109                         nw_os_id
1110                         nw_open_osfhandle
1111                         nw_get_osfhandle
1112                         nw_abort
1113                         nw_sleep
1114                         nw_wait
1115                         nw_dynaload
1116                         nw_strerror
1117                         fnFpSetMode
1118                         fnInsertHashListAddrs
1119                         fnGetHashListAddrs
1120                         Perl_deb
1121                            ))
1122     {
1123         try_symbol($symbol);
1124     }
1125 }
1126
1127 # Now all symbols should be defined because
1128 # next we are going to output them.
1129
1130 foreach my $symbol (sort keys %export) {
1131     output_symbol($symbol);
1132 }
1133
1134 if ($PLATFORM eq 'netware') {
1135         # This may not be the right way to do.  This is to make sure
1136         # that the last symbol will not contain a comma else
1137         # Watcom linker cribs
1138         print "\tdummy\n";
1139 } elsif ($PLATFORM eq 'os2') {
1140         print "; LAST_ORDINAL=$sym_ord\n";
1141 }
1142
1143 sub emit_symbol {
1144     my $symbol = shift;
1145     chomp($symbol);
1146     $export{$symbol} = 1;
1147 }
1148
1149 sub output_symbol {
1150     my $symbol = shift;
1151     $symbol = $bincompat5005{$symbol}
1152         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
1153     if ($PLATFORM eq 'win32') {
1154         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1155         print "\t$symbol\n";
1156 # XXX: binary compatibility between compilers is an exercise
1157 # in frustration :-(
1158 #        if ($CCTYPE eq "BORLAND") {
1159 #           # workaround Borland quirk by exporting both the straight
1160 #           # name and a name with leading underscore.  Note the
1161 #           # alias *must* come after the symbol itself, if both
1162 #           # are to be exported. (Linker bug?)
1163 #           print "\t_$symbol\n";
1164 #           print "\t$symbol = _$symbol\n";
1165 #       }
1166 #       elsif ($CCTYPE eq 'GCC') {
1167 #           # Symbols have leading _ whole process is $%@"% slow
1168 #           # so skip aliases for now
1169 #           nprint "\t$symbol\n";
1170 #       }
1171 #       else {
1172 #           # for binary coexistence, export both the symbol and
1173 #           # alias with leading underscore
1174 #           print "\t$symbol\n";
1175 #           print "\t_$symbol = $symbol\n";
1176 #       }
1177     }
1178     elsif ($PLATFORM eq 'os2') {
1179         printf qq(    %-31s \@%s\n),
1180           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1181     }
1182     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1183         print "$symbol\n";
1184     }
1185         elsif ($PLATFORM eq 'netware') {
1186         print "\t$symbol,\n";
1187         }
1188 }
1189
1190 1;
1191 __DATA__
1192 # extra globals not included above.
1193 Perl_cxinc
1194 perl_alloc
1195 perl_alloc_using
1196 perl_clone
1197 perl_clone_using
1198 perl_construct
1199 perl_destruct
1200 perl_free
1201 perl_parse
1202 perl_run
1203 PerlIOBase_clearerr
1204 PerlIOBase_close
1205 PerlIOBase_dup
1206 PerlIOBase_eof
1207 PerlIOBase_error
1208 PerlIOBase_fileno
1209 PerlIOBase_pushed
1210 PerlIOBase_read
1211 PerlIOBase_setlinebuf
1212 PerlIOBase_unread
1213 PerlIOBuf_bufsiz
1214 PerlIOBuf_fill
1215 PerlIOBuf_flush
1216 PerlIOBuf_get_cnt
1217 PerlIOBuf_get_ptr
1218 PerlIOBuf_open
1219 PerlIOBuf_pushed
1220 PerlIOBuf_read
1221 PerlIOBuf_seek
1222 PerlIOBuf_set_ptrcnt
1223 PerlIOBuf_tell
1224 PerlIOBuf_unread
1225 PerlIOBuf_write
1226 PerlIO_allocate
1227 PerlIO_apply_layers
1228 PerlIO_arg_fetch
1229 PerlIO_binmode
1230 PerlIO_define_layer
1231 PerlIO_define_layer
1232 PerlIO_getpos
1233 PerlIO_init
1234 PerlIO_modestr
1235 PerlIO_pending
1236 PerlIO_perlio
1237 PerlIO_push
1238 PerlIO_setpos
1239 PerlIO_sprintf
1240 PerlIO_sv_dup
1241 PerlIO_tmpfile
1242 PerlIO_vsprintf
1243 perlsio_binmode