C<foo I<bar>> hunks from <20011019014551.A35625@not.autrijus.org>.
[p5sagit/p5-mst-13.2.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         }
103     }
104     close(CFG);
105 }
106
107 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
108 while (<CFG>) {
109     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
110     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
111     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
112     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
113 }
114 close(CFG);
115
116 # perl.h logic duplication begins
117
118 if ($define{USE_ITHREADS}) {
119     if (!$define{MULTIPLICITY}) {
120         $define{MULTIPLICITY} = 1;
121     }
122 }
123
124 $define{PERL_IMPLICIT_CONTEXT} ||=
125     $define{USE_ITHREADS} ||
126     $define{USE_5005THREADS}  ||
127     $define{MULTIPLICITY} ;
128
129 # perl.h logic duplication ends
130
131 if ($PLATFORM eq 'win32') {
132     warn join(' ',keys %define)."\n";
133     print "LIBRARY Perl57\n";
134     print "DESCRIPTION 'Perl interpreter'\n";
135     print "EXPORTS\n";
136     if ($define{PERL_IMPLICIT_SYS}) {
137         output_symbol("perl_get_host_info");
138         output_symbol("perl_alloc_override");
139     output_symbol("perl_clone_host");
140     }
141 }
142 elsif ($PLATFORM eq 'os2') {
143     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
144     $v .= '-thread' if $ARCHNAME =~ /-thread/;
145     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
146     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
147     $d = substr($d, 0, 249) . "...'" if length $d > 253;
148     print <<"---EOP---";
149 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
150 $d
151 STACKSIZE 32768
152 CODE LOADONCALL
153 DATA LOADONCALL NONSHARED MULTIPLE
154 EXPORTS
155 ---EOP---
156 }
157 elsif ($PLATFORM eq 'aix') {
158     $OSVER = `uname -v`;
159     chop $OSVER;
160     $OSREL = `uname -r`;
161     chop $OSREL;
162     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
163         print "#! ..\n";
164     } else {
165         print "#!\n";
166     }
167 }
168 elsif ($PLATFORM eq 'netware') {
169         if ($FILETYPE eq 'def') {
170         print "LIBRARY Perl57\n";
171         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
172         print "EXPORTS\n";
173         }
174         if ($define{PERL_IMPLICIT_SYS}) {
175         output_symbol("perl_get_host_info");
176         output_symbol("perl_alloc_override");
177     output_symbol("perl_clone_host");
178         }
179 }
180
181 my %skip;
182 my %export;
183
184 sub skip_symbols {
185     my $list = shift;
186     foreach my $symbol (@$list) {
187         $skip{$symbol} = 1;
188     }
189 }
190
191 sub emit_symbols {
192     my $list = shift;
193     foreach my $symbol (@$list) {
194         my $skipsym = $symbol;
195         # XXX hack
196         if ($define{MULTIPLICITY}) {
197             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
198         }
199         emit_symbol($symbol) unless exists $skip{$skipsym};
200     }
201 }
202
203
204 if ($PLATFORM eq 'win32') {
205     skip_symbols [qw(
206                      PL_statusvalue_vms
207                      PL_archpat_auto
208                      PL_cryptseen
209                      PL_DBcv
210                      PL_generation
211                      PL_lastgotoprobe
212                      PL_linestart
213                      PL_modcount
214                      PL_pending_ident
215                      PL_sortcxix
216                      PL_sublex_info
217                      PL_timesbuf
218                      main
219                      Perl_ErrorNo
220                      Perl_GetVars
221                      Perl_do_exec3
222                      Perl_do_ipcctl
223                      Perl_do_ipcget
224                      Perl_do_msgrcv
225                      Perl_do_msgsnd
226                      Perl_do_semop
227                      Perl_do_shmio
228                      Perl_dump_fds
229                      Perl_init_thread_intern
230                      Perl_my_bzero
231                      Perl_my_bcopy
232                      Perl_my_htonl
233                      Perl_my_ntohl
234                      Perl_my_swap
235                      Perl_my_chsize
236                      Perl_same_dirent
237                      Perl_setenv_getix
238                      Perl_unlnk
239                      Perl_watch
240                      Perl_safexcalloc
241                      Perl_safexmalloc
242                      Perl_safexfree
243                      Perl_safexrealloc
244                      Perl_my_memcmp
245                      Perl_my_memset
246                      PL_cshlen
247                      PL_cshname
248                      PL_opsave
249                      Perl_do_exec
250                      Perl_getenv_len
251                      Perl_my_pclose
252                      Perl_my_popen
253                      )];
254 }
255 elsif ($PLATFORM eq 'aix') {
256     skip_symbols([qw(
257                      Perl_dump_fds
258                      Perl_ErrorNo
259                      Perl_GetVars
260                      Perl_my_bcopy
261                      Perl_my_bzero
262                      Perl_my_chsize
263                      Perl_my_htonl
264                      Perl_my_memcmp
265                      Perl_my_memset
266                      Perl_my_ntohl
267                      Perl_my_swap
268                      Perl_safexcalloc
269                      Perl_safexfree
270                      Perl_safexmalloc
271                      Perl_safexrealloc
272                      Perl_same_dirent
273                      Perl_unlnk
274                      Perl_sys_intern_clear
275                      Perl_sys_intern_dup
276                      Perl_sys_intern_init
277                      PL_cryptseen
278                      PL_opsave
279                      PL_statusvalue_vms
280                      PL_sys_intern
281                      )]);
282 }
283 elsif ($PLATFORM eq 'os2') {
284     emit_symbols([qw(
285                     ctermid
286                     get_sysinfo
287                     Perl_OS2_init
288                     Perl_OS2_init3
289                     Perl_OS2_term
290                     OS2_Perl_data
291                     dlopen
292                     dlsym
293                     dlerror
294                     dlclose
295                     my_tmpfile
296                     my_tmpnam
297                     my_flock
298                     my_rmdir
299                     my_mkdir
300                     my_getpwuid
301                     my_getpwnam
302                     my_getpwent
303                     my_setpwent
304                     my_endpwent
305                     setgrent
306                     endgrent
307                     getgrent
308                     malloc_mutex
309                     threads_mutex
310                     nthreads
311                     nthreads_cond
312                     os2_cond_wait
313                     os2_stat
314                     pthread_join
315                     pthread_create
316                     pthread_detach
317                     XS_Cwd_change_drive
318                     XS_Cwd_current_drive
319                     XS_Cwd_extLibpath
320                     XS_Cwd_extLibpath_set
321                     XS_Cwd_sys_abspath
322                     XS_Cwd_sys_chdir
323                     XS_Cwd_sys_cwd
324                     XS_Cwd_sys_is_absolute
325                     XS_Cwd_sys_is_relative
326                     XS_Cwd_sys_is_rooted
327                     XS_DynaLoader_mod2fname
328                     XS_File__Copy_syscopy
329                     Perl_Register_MQ
330                     Perl_Deregister_MQ
331                     Perl_Serve_Messages
332                     Perl_Process_Messages
333                     init_PMWIN_entries
334                     PMWIN_entries
335                     Perl_hab_GET
336                     loadByOrdinal
337                     pExtFCN
338                     )]);
339 }
340 elsif ($PLATFORM eq 'MacOS') {
341     skip_symbols [qw(
342                     Perl_GetVars
343                     PL_cryptseen
344                     PL_cshlen
345                     PL_cshname
346                     PL_statusvalue_vms
347                     PL_sys_intern
348                     PL_opsave
349                     PL_timesbuf
350                     Perl_dump_fds
351                     Perl_my_bcopy
352                     Perl_my_bzero
353                     Perl_my_chsize
354                     Perl_my_htonl
355                     Perl_my_memcmp
356                     Perl_my_memset
357                     Perl_my_ntohl
358                     Perl_my_swap
359                     Perl_safexcalloc
360                     Perl_safexfree
361                     Perl_safexmalloc
362                     Perl_safexrealloc
363                     Perl_unlnk
364                     Perl_sys_intern_clear
365                     Perl_sys_intern_init
366                     )];
367 }
368 elsif ($PLATFORM eq 'netware') {
369         skip_symbols [qw(
370                         PL_statusvalue_vms
371                         PL_archpat_auto
372                         PL_cryptseen
373                         PL_DBcv
374                         PL_generation
375                         PL_lastgotoprobe
376                         PL_linestart
377                         PL_modcount
378                         PL_pending_ident
379                         PL_sortcxix
380                         PL_sublex_info
381                         PL_timesbuf
382                         main
383                         Perl_ErrorNo
384                         Perl_GetVars
385                         Perl_do_exec3
386                         Perl_do_ipcctl
387                         Perl_do_ipcget
388                         Perl_do_msgrcv
389                         Perl_do_msgsnd
390                         Perl_do_semop
391                         Perl_do_shmio
392                         Perl_dump_fds
393                         Perl_init_thread_intern
394                         Perl_my_bzero
395                         Perl_my_htonl
396                         Perl_my_ntohl
397                         Perl_my_swap
398                         Perl_my_chsize
399                         Perl_same_dirent
400                         Perl_setenv_getix
401                         Perl_unlnk
402                         Perl_watch
403                         Perl_safexcalloc
404                         Perl_safexmalloc
405                         Perl_safexfree
406                         Perl_safexrealloc
407                         Perl_my_memcmp
408                         Perl_my_memset
409                         PL_cshlen
410                         PL_cshname
411                         PL_opsave
412                         Perl_do_exec
413                         Perl_getenv_len
414                         Perl_my_pclose
415                         Perl_my_popen
416                         )];
417 }
418
419 unless ($define{'DEBUGGING'}) {
420     skip_symbols [qw(
421                     Perl_deb_growlevel
422                     Perl_debop
423                     Perl_debprofdump
424                     Perl_debstack
425                     Perl_debstackptrs
426                     Perl_runops_debug
427                     Perl_sv_peek
428                     PL_block_type
429                     PL_watchaddr
430                     PL_watchok
431                     )];
432 }
433
434 if ($define{'PERL_IMPLICIT_SYS'}) {
435     skip_symbols [qw(
436                     Perl_getenv_len
437                     Perl_my_popen
438                     Perl_my_pclose
439                     )];
440 }
441 else {
442     skip_symbols [qw(
443                     PL_Mem
444                     PL_MemShared
445                     PL_MemParse
446                     PL_Env
447                     PL_StdIO
448                     PL_LIO
449                     PL_Dir
450                     PL_Sock
451                     PL_Proc
452                     )];
453 }
454
455 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
456     skip_symbols [qw(
457                     PL_protect
458                     Perl_default_protect
459                     Perl_vdefault_protect
460                     )];
461 }
462
463 unless ($define{'USE_REENTRANT_API'}) {
464     skip_symbols [qw(
465                     PL_reentrant_buffer
466                     )];
467 }
468
469 if ($define{'MYMALLOC'}) {
470     emit_symbols [qw(
471                     Perl_dump_mstats
472                     Perl_get_mstats
473                     Perl_strdup
474                     Perl_putenv
475                     )];
476     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
477         emit_symbols [qw(
478                         PL_malloc_mutex
479                         )];
480     }
481     else {
482         skip_symbols [qw(
483                         PL_malloc_mutex
484                         )];
485     }
486 }
487 else {
488     skip_symbols [qw(
489                     PL_malloc_mutex
490                     Perl_dump_mstats
491                     Perl_get_mstats
492                     Perl_malloced_size
493                     )];
494 }
495
496 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
497     skip_symbols [qw(
498                     PL_thr_key
499                     )];
500 }
501
502 unless ($define{'USE_5005THREADS'}) {
503     skip_symbols [qw(
504                     PL_sv_mutex
505                     PL_strtab_mutex
506                     PL_svref_mutex
507                     PL_cred_mutex
508                     PL_eval_mutex
509                     PL_fdpid_mutex
510                     PL_sv_lock_mutex
511                     PL_eval_cond
512                     PL_eval_owner
513                     PL_threads_mutex
514                     PL_nthreads
515                     PL_nthreads_cond
516                     PL_threadnum
517                     PL_threadsv_names
518                     PL_thrsv
519                     PL_vtbl_mutex
520                     Perl_condpair_magic
521                     Perl_new_struct_thread
522                     Perl_per_thread_magicals
523                     Perl_thread_create
524                     Perl_find_threadsv
525                     Perl_unlock_condpair
526                     Perl_magic_mutexfree
527                     Perl_sv_lock
528                     )];
529 }
530
531 unless ($define{'USE_ITHREADS'}) {
532     skip_symbols [qw(
533                     PL_ptr_table
534                     PL_op_mutex
535                     PL_regex_pad
536                     PL_regex_padav
537                     PL_sharedsv_space
538                     PL_sharedsv_space_mutex
539                     Perl_dirp_dup
540                     Perl_cx_dup
541                     Perl_si_dup
542                     Perl_any_dup
543                     Perl_ss_dup
544                     Perl_fp_dup
545                     Perl_gp_dup
546                     Perl_he_dup
547                     Perl_mg_dup
548                     Perl_re_dup
549                     Perl_sv_dup
550                     Perl_sys_intern_dup
551                     Perl_ptr_table_clear
552                     Perl_ptr_table_fetch
553                     Perl_ptr_table_free
554                     Perl_ptr_table_new
555                     Perl_ptr_table_clear
556                     Perl_ptr_table_free
557                     Perl_ptr_table_split
558                     Perl_ptr_table_store
559                     perl_clone
560                     perl_clone_using
561                     Perl_sharedsv_find
562                     Perl_sharedsv_init
563                     Perl_sharedsv_lock
564                     Perl_sharedsv_new
565                     Perl_sharedsv_thrcnt_dec
566                     Perl_sharedsv_thrcnt_inc
567                     Perl_sharedsv_unlock
568                     )];
569 }
570
571 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
572     skip_symbols [qw(
573                     Perl_croak_nocontext
574                     Perl_die_nocontext
575                     Perl_deb_nocontext
576                     Perl_form_nocontext
577                     Perl_load_module_nocontext
578                     Perl_mess_nocontext
579                     Perl_warn_nocontext
580                     Perl_warner_nocontext
581                     Perl_newSVpvf_nocontext
582                     Perl_sv_catpvf_nocontext
583                     Perl_sv_setpvf_nocontext
584                     Perl_sv_catpvf_mg_nocontext
585                     Perl_sv_setpvf_mg_nocontext
586                     )];
587 }
588
589 unless ($define{'PERL_IMPLICIT_SYS'}) {
590     skip_symbols [qw(
591                     perl_alloc_using
592                     perl_clone_using
593                     )];
594 }
595
596 unless ($define{'FAKE_THREADS'}) {
597     skip_symbols [qw(PL_curthr)];
598 }
599
600 sub readvar {
601     my $file = shift;
602     my $proc = shift || sub { "PL_$_[2]" };
603     open(VARS,$file) || die "Cannot open $file: $!\n";
604     my @syms;
605     while (<VARS>) {
606         # All symbols have a Perl_ prefix because that's what embed.h
607         # sticks in front of them.
608         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
609     }
610     close(VARS);
611     return \@syms;
612 }
613
614 if ($define{'USE_5005THREADS'}) {
615     my $thrd = readvar($thrdvar_h);
616     skip_symbols $thrd;
617 }
618
619 if ($define{'PERL_GLOBAL_STRUCT'}) {
620     my $global = readvar($perlvars_h);
621     skip_symbols $global;
622     emit_symbol('Perl_GetVars');
623     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
624 }
625
626 # functions from *.sym files
627
628 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
629
630 my @layer_syms = qw(
631                          PerlIOBase_clearerr
632                          PerlIOBase_close
633                          PerlIOBase_dup
634                          PerlIOBase_eof
635                          PerlIOBase_error
636                          PerlIOBase_fileno
637                          PerlIOBase_setlinebuf
638                          PerlIOBase_pushed
639                          PerlIOBase_read
640                          PerlIOBase_unread
641                          PerlIOBuf_bufsiz
642                          PerlIOBuf_fill
643                          PerlIOBuf_flush
644                          PerlIOBuf_get_cnt
645                          PerlIOBuf_get_ptr
646                          PerlIOBuf_open
647                          PerlIOBuf_pushed
648                          PerlIOBuf_read
649                          PerlIOBuf_seek
650                          PerlIOBuf_set_ptrcnt
651                          PerlIOBuf_tell
652                          PerlIOBuf_unread
653                          PerlIOBuf_write
654                          PerlIO_define_layer
655                          PerlIO_arg_fetch
656                          PerlIO_pending
657                          PerlIO_allocate
658                          PerlIO_push
659                          PerlIO_sv_dup
660                          PerlIO_unread
661 );
662
663 if ($define{'USE_PERLIO'}) {
664     push @syms, $perlio_sym;
665     if ($define{'USE_SFIO'}) {
666         skip_symbols \@layer_syms;
667         # SFIO defines most of the PerlIO routines as macros
668         skip_symbols [qw(
669                          PerlIO_canset_cnt
670                          PerlIO_clearerr
671                          PerlIO_close
672                          PerlIO_eof
673                          PerlIO_error
674                          PerlIO_exportFILE
675                          PerlIO_fast_gets
676                          PerlIO_fdopen
677                          PerlIO_fileno
678                          PerlIO_findFILE
679                          PerlIO_flush
680                          PerlIO_get_base
681                          PerlIO_get_bufsiz
682                          PerlIO_get_cnt
683                          PerlIO_get_ptr
684                          PerlIO_getc
685                          PerlIO_getname
686                          PerlIO_has_base
687                          PerlIO_has_cntptr
688                          PerlIO_importFILE
689                          PerlIO_open
690                          PerlIO_printf
691                          PerlIO_putc
692                          PerlIO_puts
693                          PerlIO_read
694                          PerlIO_releaseFILE
695                          PerlIO_reopen
696                          PerlIO_rewind
697                          PerlIO_seek
698                          PerlIO_set_cnt
699                          PerlIO_set_ptrcnt
700                          PerlIO_setlinebuf
701                          PerlIO_sprintf
702                          PerlIO_stderr
703                          PerlIO_stdin
704                          PerlIO_stdout
705                          PerlIO_stdoutf
706                          PerlIO_tell
707                          PerlIO_ungetc
708                          PerlIO_vprintf
709                          PerlIO_write
710                          )];
711     }
712 } else {
713         # Skip the PerlIO New Generation symbols.
714         skip_symbols \@layer_syms;
715 }
716
717 for my $syms (@syms) {
718     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
719     while (<GLOBAL>) {
720         next if (!/^[A-Za-z]/);
721         # Functions have a Perl_ prefix
722         # Variables have a PL_ prefix
723         chomp($_);
724         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
725         $symbol .= $_;
726         emit_symbol($symbol) unless exists $skip{$symbol};
727     }
728     close(GLOBAL);
729 }
730
731 # variables
732
733 if ($define{'MULTIPLICITY'}) {
734     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
735         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
736         emit_symbols $glob;
737     }
738     # XXX AIX seems to want the perlvars.h symbols, for some reason
739     if ($PLATFORM eq 'aix') {
740         my $glob = readvar($perlvars_h);
741         emit_symbols $glob;
742     }
743 }
744 else {
745     unless ($define{'PERL_GLOBAL_STRUCT'}) {
746         my $glob = readvar($perlvars_h);
747         emit_symbols $glob;
748     }
749     unless ($define{'MULTIPLICITY'}) {
750         my $glob = readvar($intrpvar_h);
751         emit_symbols $glob;
752     }
753     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
754         my $glob = readvar($thrdvar_h);
755         emit_symbols $glob;
756     }
757 }
758
759 sub try_symbol {
760     my $symbol = shift;
761
762     return if $symbol !~ /^[A-Za-z_]/;
763     return if $symbol =~ /^\#/;
764     $symbol =~s/\r//g;
765     chomp($symbol);
766     return if exists $skip{$symbol};
767     emit_symbol($symbol);
768 }
769
770 while (<DATA>) {
771     try_symbol($_);
772 }
773
774 if ($PLATFORM eq 'win32') {
775     foreach my $symbol (qw(
776                             setuid
777                             setgid
778                             boot_DynaLoader
779                             Perl_init_os_extras
780                             Perl_thread_create
781                             Perl_win32_init
782                             RunPerl
783                             win32_errno
784                             win32_environ
785                             win32_abort
786                             win32_fstat
787                             win32_stat
788                             win32_pipe
789                             win32_popen
790                             win32_pclose
791                             win32_rename
792                             win32_setmode
793                             win32_lseek
794                             win32_tell
795                             win32_dup
796                             win32_dup2
797                             win32_open
798                             win32_close
799                             win32_eof
800                             win32_read
801                             win32_write
802                             win32_spawnvp
803                             win32_mkdir
804                             win32_rmdir
805                             win32_chdir
806                             win32_flock
807                             win32_execv
808                             win32_execvp
809                             win32_htons
810                             win32_ntohs
811                             win32_htonl
812                             win32_ntohl
813                             win32_inet_addr
814                             win32_inet_ntoa
815                             win32_socket
816                             win32_bind
817                             win32_listen
818                             win32_accept
819                             win32_connect
820                             win32_send
821                             win32_sendto
822                             win32_recv
823                             win32_recvfrom
824                             win32_shutdown
825                             win32_closesocket
826                             win32_ioctlsocket
827                             win32_setsockopt
828                             win32_getsockopt
829                             win32_getpeername
830                             win32_getsockname
831                             win32_gethostname
832                             win32_gethostbyname
833                             win32_gethostbyaddr
834                             win32_getprotobyname
835                             win32_getprotobynumber
836                             win32_getservbyname
837                             win32_getservbyport
838                             win32_select
839                             win32_endhostent
840                             win32_endnetent
841                             win32_endprotoent
842                             win32_endservent
843                             win32_getnetent
844                             win32_getnetbyname
845                             win32_getnetbyaddr
846                             win32_getprotoent
847                             win32_getservent
848                             win32_sethostent
849                             win32_setnetent
850                             win32_setprotoent
851                             win32_setservent
852                             win32_getenv
853                             win32_putenv
854                             win32_perror
855                             win32_malloc
856                             win32_calloc
857                             win32_realloc
858                             win32_free
859                             win32_sleep
860                             win32_times
861                             win32_access
862                             win32_alarm
863                             win32_chmod
864                             win32_open_osfhandle
865                             win32_get_osfhandle
866                             win32_ioctl
867                             win32_link
868                             win32_unlink
869                             win32_utime
870                             win32_uname
871                             win32_wait
872                             win32_waitpid
873                             win32_kill
874                             win32_str_os_error
875                             win32_opendir
876                             win32_readdir
877                             win32_telldir
878                             win32_seekdir
879                             win32_rewinddir
880                             win32_closedir
881                             win32_longpath
882                             win32_os_id
883                             win32_getpid
884                             win32_crypt
885                             win32_dynaload
886
887                             win32_stdin
888                             win32_stdout
889                             win32_stderr
890                             win32_ferror
891                             win32_feof
892                             win32_strerror
893                             win32_fprintf
894                             win32_printf
895                             win32_vfprintf
896                             win32_vprintf
897                             win32_fread
898                             win32_fwrite
899                             win32_fopen
900                             win32_fdopen
901                             win32_freopen
902                             win32_fclose
903                             win32_fputs
904                             win32_fputc
905                             win32_ungetc
906                             win32_getc
907                             win32_fileno
908                             win32_clearerr
909                             win32_fflush
910                             win32_ftell
911                             win32_fseek
912                             win32_fgetpos
913                             win32_fsetpos
914                             win32_rewind
915                             win32_tmpfile
916                             win32_setbuf
917                             win32_setvbuf
918                             win32_flushall
919                             win32_fcloseall
920                             win32_fgets
921                             win32_gets
922                             win32_fgetc
923                             win32_putc
924                             win32_puts
925                             win32_getchar
926                             win32_putchar
927                            ))
928     {
929         try_symbol($symbol);
930     }
931 }
932 elsif ($PLATFORM eq 'os2') {
933     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
934     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
935     close MAP or die 'Cannot close miniperl.map';
936
937     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
938                     keys %export;
939     delete $export{$_} foreach @missing;
940 }
941 elsif ($PLATFORM eq 'MacOS') {
942     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
943
944     while (<MACSYMS>) {
945         try_symbol($_);
946     }
947
948     close MACSYMS;
949 }
950 elsif ($PLATFORM eq 'netware') {
951 foreach my $symbol (qw(
952                         boot_DynaLoader
953                         Perl_init_os_extras
954                         Perl_thread_create
955                         Perl_nw5_init
956                         RunPerl
957                         AllocStdPerl
958                         FreeStdPerl
959                         do_spawn2
960                         do_aspawn
961                         nw_uname
962                         nw_stdin
963                         nw_stdout
964                         nw_stderr
965                         nw_feof
966                         nw_ferror
967                         nw_fopen
968                         nw_fclose
969                         nw_clearerr
970                         nw_getc
971                         nw_fgets
972                         nw_fputc
973                         nw_fputs
974                         nw_fflush
975                         nw_ungetc
976                         nw_fileno
977                         nw_fdopen
978                         nw_freopen
979                         nw_fread
980                         nw_fwrite
981                         nw_setbuf
982                         nw_setvbuf
983                         nw_vfprintf
984                         nw_ftell
985                         nw_fseek
986                         nw_rewind
987                         nw_tmpfile
988                         nw_fgetpos
989                         nw_fsetpos
990                         nw_dup
991                         nw_access
992                         nw_chmod
993                         nw_chsize
994                         nw_close
995                         nw_dup2
996                         nw_flock
997                         nw_isatty
998                         nw_link
999                         nw_lseek
1000                         nw_stat
1001                         nw_mktemp
1002                         nw_open
1003                         nw_read
1004                         nw_rename
1005                         nw_setmode
1006                         nw_unlink
1007                         nw_utime
1008                         nw_write
1009                         nw_chdir
1010                         nw_rmdir
1011                         nw_closedir
1012                         nw_opendir
1013                         nw_readdir
1014                         nw_rewinddir
1015                         nw_seekdir
1016                         nw_telldir
1017                         nw_htonl
1018                         nw_htons
1019                         nw_ntohl
1020                         nw_ntohs
1021                         nw_accept
1022                         nw_bind
1023                         nw_connect
1024                         nw_endhostent
1025                         nw_endnetent
1026                         nw_endprotoent
1027                         nw_endservent
1028                         nw_gethostbyaddr
1029                         nw_gethostbyname
1030                         nw_gethostent
1031                         nw_gethostname
1032                         nw_getnetbyaddr
1033                         nw_getnetbyname
1034                         nw_getnetent
1035                         nw_getpeername
1036                         nw_getprotobyname
1037                         nw_getprotobynumber
1038                         nw_getprotoent
1039                         nw_getservbyname
1040                         nw_getservbyport
1041                         nw_getservent
1042                         nw_getsockname
1043                         nw_getsockopt
1044                         nw_inet_addr
1045                         nw_listen
1046                         nw_socket
1047                         nw_recv
1048                         nw_recvfrom
1049                         nw_select
1050                         nw_send
1051                         nw_sendto
1052                         nw_sethostent
1053                         nw_setnetent
1054                         nw_setprotoent
1055                         nw_setservent
1056                         nw_setsockopt
1057                         nw_shutdown
1058                         nw_crypt
1059                         nw_execvp
1060                         nw_kill
1061                         nw_Popen
1062                         nw_Pclose
1063                         nw_Pipe
1064                         nw_times
1065                         nw_waitpid
1066                         nw_getpid
1067                         nw_spawnvp
1068                         nw_os_id
1069                         nw_open_osfhandle
1070                         nw_get_osfhandle
1071                         nw_abort
1072                         nw_sleep
1073                         nw_wait
1074                         nw_dynaload
1075                         nw_strerror
1076                         fnFpSetMode
1077                         fnInsertHashListAddrs
1078                         fnGetHashListAddrs
1079                         Perl_deb
1080                            ))
1081     {
1082         try_symbol($symbol);
1083     }
1084 }
1085
1086 # Now all symbols should be defined because
1087 # next we are going to output them.
1088
1089 foreach my $symbol (sort keys %export) {
1090     output_symbol($symbol);
1091 }
1092
1093 if ($PLATFORM eq 'netware') {
1094         # This may not be the right way to do.  This is to make sure
1095         # that the last symbol will not contain a comma else
1096         # Watcom linker cribs
1097         print "\tdummy\n";
1098 }
1099
1100 sub emit_symbol {
1101     my $symbol = shift;
1102     chomp($symbol);
1103     $export{$symbol} = 1;
1104 }
1105
1106 my $sym_ord = 0;
1107
1108 sub output_symbol {
1109     my $symbol = shift;
1110     $symbol = $bincompat5005{$symbol}
1111         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
1112     if ($PLATFORM eq 'win32') {
1113         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1114         print "\t$symbol\n";
1115 # XXX: binary compatibility between compilers is an exercise
1116 # in frustration :-(
1117 #        if ($CCTYPE eq "BORLAND") {
1118 #           # workaround Borland quirk by exporting both the straight
1119 #           # name and a name with leading underscore.  Note the
1120 #           # alias *must* come after the symbol itself, if both
1121 #           # are to be exported. (Linker bug?)
1122 #           print "\t_$symbol\n";
1123 #           print "\t$symbol = _$symbol\n";
1124 #       }
1125 #       elsif ($CCTYPE eq 'GCC') {
1126 #           # Symbols have leading _ whole process is $%@"% slow
1127 #           # so skip aliases for now
1128 #           nprint "\t$symbol\n";
1129 #       }
1130 #       else {
1131 #           # for binary coexistence, export both the symbol and
1132 #           # alias with leading underscore
1133 #           print "\t$symbol\n";
1134 #           print "\t_$symbol = $symbol\n";
1135 #       }
1136     }
1137     elsif ($PLATFORM eq 'os2') {
1138         printf qq(    %-31s \@%s\n), qq("$symbol"), ++$sym_ord;
1139     }
1140     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1141         print "$symbol\n";
1142     }
1143         elsif ($PLATFORM eq 'netware') {
1144         print "\t$symbol,\n";
1145         }
1146 }
1147
1148 1;
1149 __DATA__
1150 # extra globals not included above.
1151 Perl_cxinc
1152 perl_alloc
1153 perl_alloc_using
1154 perl_clone
1155 perl_clone_using
1156 perl_construct
1157 perl_destruct
1158 perl_free
1159 perl_parse
1160 perl_run
1161 PerlIOBase_clearerr
1162 PerlIOBase_close
1163 PerlIOBase_dup
1164 PerlIOBase_eof
1165 PerlIOBase_error
1166 PerlIOBase_fileno
1167 PerlIOBase_pushed
1168 PerlIOBase_read
1169 PerlIOBase_setlinebuf
1170 PerlIOBase_unread
1171 PerlIOBuf_bufsiz
1172 PerlIOBuf_fill
1173 PerlIOBuf_flush
1174 PerlIOBuf_get_cnt
1175 PerlIOBuf_get_ptr
1176 PerlIOBuf_open
1177 PerlIOBuf_pushed
1178 PerlIOBuf_read
1179 PerlIOBuf_seek
1180 PerlIOBuf_set_ptrcnt
1181 PerlIOBuf_tell
1182 PerlIOBuf_unread
1183 PerlIOBuf_write
1184 PerlIO_allocate
1185 PerlIO_apply_layers
1186 PerlIO_arg_fetch
1187 PerlIO_binmode
1188 PerlIO_define_layer
1189 PerlIO_define_layer
1190 PerlIO_getpos
1191 PerlIO_init
1192 PerlIO_pending
1193 PerlIO_push
1194 PerlIO_setpos
1195 PerlIO_sprintf
1196 PerlIO_sv_dup
1197 PerlIO_tmpfile
1198 PerlIO_unread
1199 PerlIO_vsprintf
1200 perlsio_binmode