This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
export win32_async_check or Perl_despatch_signals
[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 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 if ($PLATFORM eq 'win32') {
204     skip_symbols [qw(
205                      PL_statusvalue_vms
206                      PL_archpat_auto
207                      PL_cryptseen
208                      PL_DBcv
209                      PL_generation
210                      PL_lastgotoprobe
211                      PL_linestart
212                      PL_modcount
213                      PL_pending_ident
214                      PL_sortcxix
215                      PL_sublex_info
216                      PL_timesbuf
217                      main
218                      Perl_ErrorNo
219                      Perl_GetVars
220                      Perl_do_exec3
221                      Perl_do_ipcctl
222                      Perl_do_ipcget
223                      Perl_do_msgrcv
224                      Perl_do_msgsnd
225                      Perl_do_semop
226                      Perl_do_shmio
227                      Perl_dump_fds
228                      Perl_init_thread_intern
229                      Perl_my_bzero
230                      Perl_my_bcopy
231                      Perl_my_htonl
232                      Perl_my_ntohl
233                      Perl_my_swap
234                      Perl_my_chsize
235                      Perl_same_dirent
236                      Perl_setenv_getix
237                      Perl_unlnk
238                      Perl_watch
239                      Perl_safexcalloc
240                      Perl_safexmalloc
241                      Perl_safexfree
242                      Perl_safexrealloc
243                      Perl_my_memcmp
244                      Perl_my_memset
245                      PL_cshlen
246                      PL_cshname
247                      PL_opsave
248                      Perl_do_exec
249                      Perl_getenv_len
250                      Perl_my_pclose
251                      Perl_my_popen
252                      )];
253 }
254 elsif ($PLATFORM eq 'aix') {
255     skip_symbols([qw(
256                      Perl_dump_fds
257                      Perl_ErrorNo
258                      Perl_GetVars
259                      Perl_my_bcopy
260                      Perl_my_bzero
261                      Perl_my_chsize
262                      Perl_my_htonl
263                      Perl_my_memcmp
264                      Perl_my_memset
265                      Perl_my_ntohl
266                      Perl_my_swap
267                      Perl_safexcalloc
268                      Perl_safexfree
269                      Perl_safexmalloc
270                      Perl_safexrealloc
271                      Perl_same_dirent
272                      Perl_unlnk
273                      Perl_sys_intern_clear
274                      Perl_sys_intern_dup
275                      Perl_sys_intern_init
276                      PL_cryptseen
277                      PL_opsave
278                      PL_statusvalue_vms
279                      PL_sys_intern
280                      )]);
281 }
282 elsif ($PLATFORM eq 'os2') {
283     emit_symbols([qw(
284                     ctermid
285                     get_sysinfo
286                     Perl_OS2_init
287                     Perl_OS2_init3
288                     Perl_OS2_term
289                     OS2_Perl_data
290                     dlopen
291                     dlsym
292                     dlerror
293                     dlclose
294                     my_tmpfile
295                     my_tmpnam
296                     my_flock
297                     my_rmdir
298                     my_mkdir
299                     my_getpwuid
300                     my_getpwnam
301                     my_getpwent
302                     my_setpwent
303                     my_endpwent
304                     setgrent
305                     endgrent
306                     getgrent
307                     malloc_mutex
308                     threads_mutex
309                     nthreads
310                     nthreads_cond
311                     os2_cond_wait
312                     os2_stat
313                     pthread_join
314                     pthread_create
315                     pthread_detach
316                     XS_Cwd_change_drive
317                     XS_Cwd_current_drive
318                     XS_Cwd_extLibpath
319                     XS_Cwd_extLibpath_set
320                     XS_Cwd_sys_abspath
321                     XS_Cwd_sys_chdir
322                     XS_Cwd_sys_cwd
323                     XS_Cwd_sys_is_absolute
324                     XS_Cwd_sys_is_relative
325                     XS_Cwd_sys_is_rooted
326                     XS_DynaLoader_mod2fname
327                     XS_File__Copy_syscopy
328                     Perl_Register_MQ
329                     Perl_Deregister_MQ
330                     Perl_Serve_Messages
331                     Perl_Process_Messages
332                     init_PMWIN_entries
333                     PMWIN_entries
334                     Perl_hab_GET
335                     loadByOrdinal
336                     pExtFCN
337                     )]);
338 }
339 elsif ($PLATFORM eq 'MacOS') {
340     skip_symbols [qw(
341                     Perl_GetVars
342                     PL_cryptseen
343                     PL_cshlen
344                     PL_cshname
345                     PL_statusvalue_vms
346                     PL_sys_intern
347                     PL_opsave
348                     PL_timesbuf
349                     Perl_dump_fds
350                     Perl_my_bcopy
351                     Perl_my_bzero
352                     Perl_my_chsize
353                     Perl_my_htonl
354                     Perl_my_memcmp
355                     Perl_my_memset
356                     Perl_my_ntohl
357                     Perl_my_swap
358                     Perl_safexcalloc
359                     Perl_safexfree
360                     Perl_safexmalloc
361                     Perl_safexrealloc
362                     Perl_unlnk
363                     Perl_sys_intern_clear
364                     Perl_sys_intern_init
365                     )];
366 }
367 elsif ($PLATFORM eq 'netware') {
368         skip_symbols [qw(
369                         PL_statusvalue_vms
370                         PL_archpat_auto
371                         PL_cryptseen
372                         PL_DBcv
373                         PL_generation
374                         PL_lastgotoprobe
375                         PL_linestart
376                         PL_modcount
377                         PL_pending_ident
378                         PL_sortcxix
379                         PL_sublex_info
380                         PL_timesbuf
381                         main
382                         Perl_ErrorNo
383                         Perl_GetVars
384                         Perl_do_exec3
385                         Perl_do_ipcctl
386                         Perl_do_ipcget
387                         Perl_do_msgrcv
388                         Perl_do_msgsnd
389                         Perl_do_semop
390                         Perl_do_shmio
391                         Perl_dump_fds
392                         Perl_init_thread_intern
393                         Perl_my_bzero
394                         Perl_my_htonl
395                         Perl_my_ntohl
396                         Perl_my_swap
397                         Perl_my_chsize
398                         Perl_same_dirent
399                         Perl_setenv_getix
400                         Perl_unlnk
401                         Perl_watch
402                         Perl_safexcalloc
403                         Perl_safexmalloc
404                         Perl_safexfree
405                         Perl_safexrealloc
406                         Perl_my_memcmp
407                         Perl_my_memset
408                         PL_cshlen
409                         PL_cshname
410                         PL_opsave
411                         Perl_do_exec
412                         Perl_getenv_len
413                         Perl_my_pclose
414                         Perl_my_popen
415                         )];
416 }
417
418 unless ($define{'DEBUGGING'}) {
419     skip_symbols [qw(
420                     Perl_deb_growlevel
421                     Perl_debop
422                     Perl_debprofdump
423                     Perl_debstack
424                     Perl_debstackptrs
425                     Perl_sv_peek
426                     PL_block_type
427                     PL_watchaddr
428                     PL_watchok
429                     )];
430 }
431
432 if ($define{'PERL_IMPLICIT_SYS'}) {
433     skip_symbols [qw(
434                     Perl_getenv_len
435                     Perl_my_popen
436                     Perl_my_pclose
437                     )];
438 }
439 else {
440     skip_symbols [qw(
441                     PL_Mem
442                     PL_MemShared
443                     PL_MemParse
444                     PL_Env
445                     PL_StdIO
446                     PL_LIO
447                     PL_Dir
448                     PL_Sock
449                     PL_Proc
450                     )];
451 }
452
453 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
454     skip_symbols [qw(
455                     PL_protect
456                     Perl_default_protect
457                     Perl_vdefault_protect
458                     )];
459 }
460
461 unless ($define{'USE_REENTRANT_API'}) {
462     skip_symbols [qw(
463                     PL_reentrant_buffer
464                     )];
465 }
466
467 if ($define{'MYMALLOC'}) {
468     emit_symbols [qw(
469                     Perl_dump_mstats
470                     Perl_get_mstats
471                     Perl_strdup
472                     Perl_putenv
473                     )];
474     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
475         emit_symbols [qw(
476                         PL_malloc_mutex
477                         )];
478     }
479     else {
480         skip_symbols [qw(
481                         PL_malloc_mutex
482                         )];
483     }
484 }
485 else {
486     skip_symbols [qw(
487                     PL_malloc_mutex
488                     Perl_dump_mstats
489                     Perl_get_mstats
490                     Perl_malloced_size
491                     )];
492 }
493
494 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
495     skip_symbols [qw(
496                     PL_thr_key
497                     )];
498 }
499
500 unless ($define{'USE_5005THREADS'}) {
501     skip_symbols [qw(
502                     PL_sv_mutex
503                     PL_strtab_mutex
504                     PL_svref_mutex
505                     PL_cred_mutex
506                     PL_eval_mutex
507                     PL_fdpid_mutex
508                     PL_sv_lock_mutex
509                     PL_eval_cond
510                     PL_eval_owner
511                     PL_threads_mutex
512                     PL_nthreads
513                     PL_nthreads_cond
514                     PL_threadnum
515                     PL_threadsv_names
516                     PL_thrsv
517                     PL_vtbl_mutex
518                     Perl_condpair_magic
519                     Perl_new_struct_thread
520                     Perl_per_thread_magicals
521                     Perl_thread_create
522                     Perl_find_threadsv
523                     Perl_unlock_condpair
524                     Perl_magic_mutexfree
525                     Perl_sv_lock
526                     )];
527 }
528
529 unless ($define{'USE_ITHREADS'}) {
530     skip_symbols [qw(
531                     PL_ptr_table
532                     PL_op_mutex
533                     PL_regex_pad
534                     PL_regex_padav
535                     PL_sharedsv_space
536                     PL_sharedsv_space_mutex
537                     Perl_dirp_dup
538                     Perl_cx_dup
539                     Perl_si_dup
540                     Perl_any_dup
541                     Perl_ss_dup
542                     Perl_fp_dup
543                     Perl_gp_dup
544                     Perl_he_dup
545                     Perl_mg_dup
546                     Perl_re_dup
547                     Perl_sv_dup
548                     Perl_sys_intern_dup
549                     Perl_ptr_table_clear
550                     Perl_ptr_table_fetch
551                     Perl_ptr_table_free
552                     Perl_ptr_table_new
553                     Perl_ptr_table_clear
554                     Perl_ptr_table_free
555                     Perl_ptr_table_split
556                     Perl_ptr_table_store
557                     perl_clone
558                     perl_clone_using
559                     Perl_sharedsv_find
560                     Perl_sharedsv_init
561                     Perl_sharedsv_lock
562                     Perl_sharedsv_new
563                     Perl_sharedsv_thrcnt_dec
564                     Perl_sharedsv_thrcnt_inc
565                     Perl_sharedsv_unlock
566                     )];
567 }
568
569 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
570     skip_symbols [qw(
571                     Perl_croak_nocontext
572                     Perl_die_nocontext
573                     Perl_deb_nocontext
574                     Perl_form_nocontext
575                     Perl_load_module_nocontext
576                     Perl_mess_nocontext
577                     Perl_warn_nocontext
578                     Perl_warner_nocontext
579                     Perl_newSVpvf_nocontext
580                     Perl_sv_catpvf_nocontext
581                     Perl_sv_setpvf_nocontext
582                     Perl_sv_catpvf_mg_nocontext
583                     Perl_sv_setpvf_mg_nocontext
584                     )];
585 }
586
587 unless ($define{'PERL_IMPLICIT_SYS'}) {
588     skip_symbols [qw(
589                     perl_alloc_using
590                     perl_clone_using
591                     )];
592 }
593
594 unless ($define{'FAKE_THREADS'}) {
595     skip_symbols [qw(PL_curthr)];
596 }
597
598 sub readvar {
599     my $file = shift;
600     my $proc = shift || sub { "PL_$_[2]" };
601     open(VARS,$file) || die "Cannot open $file: $!\n";
602     my @syms;
603     while (<VARS>) {
604         # All symbols have a Perl_ prefix because that's what embed.h
605         # sticks in front of them.
606         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
607     }
608     close(VARS);
609     return \@syms;
610 }
611
612 if ($define{'USE_5005THREADS'}) {
613     my $thrd = readvar($thrdvar_h);
614     skip_symbols $thrd;
615 }
616
617 if ($define{'PERL_GLOBAL_STRUCT'}) {
618     my $global = readvar($perlvars_h);
619     skip_symbols $global;
620     emit_symbol('Perl_GetVars');
621     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
622 }
623
624 # functions from *.sym files
625
626 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
627
628 my @layer_syms = qw(
629                          PerlIOBase_clearerr
630                          PerlIOBase_close
631                          PerlIOBase_dup
632                          PerlIOBase_eof
633                          PerlIOBase_error
634                          PerlIOBase_fileno
635                          PerlIOBase_pushed
636                          PerlIOBase_read
637                          PerlIOBase_setlinebuf
638                          PerlIOBase_unread
639                          PerlIOBuf_bufsiz
640                          PerlIOBuf_fill
641                          PerlIOBuf_flush
642                          PerlIOBuf_get_cnt
643                          PerlIOBuf_get_ptr
644                          PerlIOBuf_open
645                          PerlIOBuf_pushed
646                          PerlIOBuf_read
647                          PerlIOBuf_seek
648                          PerlIOBuf_set_ptrcnt
649                          PerlIOBuf_tell
650                          PerlIOBuf_unread
651                          PerlIOBuf_write
652                          PerlIO_allocate
653                          PerlIO_arg_fetch
654                          PerlIO_define_layer
655                          PerlIO_pending
656                          PerlIO_push
657                          PerlIO_sv_dup
658                          PL_def_layerlist
659                          PL_known_layers
660                          PL_perlio
661 );
662
663 if ($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_async_check
784                             win32_errno
785                             win32_environ
786                             win32_abort
787                             win32_fstat
788                             win32_stat
789                             win32_pipe
790                             win32_popen
791                             win32_pclose
792                             win32_rename
793                             win32_setmode
794                             win32_lseek
795                             win32_tell
796                             win32_dup
797                             win32_dup2
798                             win32_open
799                             win32_close
800                             win32_eof
801                             win32_read
802                             win32_write
803                             win32_spawnvp
804                             win32_mkdir
805                             win32_rmdir
806                             win32_chdir
807                             win32_flock
808                             win32_execv
809                             win32_execvp
810                             win32_htons
811                             win32_ntohs
812                             win32_htonl
813                             win32_ntohl
814                             win32_inet_addr
815                             win32_inet_ntoa
816                             win32_socket
817                             win32_bind
818                             win32_listen
819                             win32_accept
820                             win32_connect
821                             win32_send
822                             win32_sendto
823                             win32_recv
824                             win32_recvfrom
825                             win32_shutdown
826                             win32_closesocket
827                             win32_ioctlsocket
828                             win32_setsockopt
829                             win32_getsockopt
830                             win32_getpeername
831                             win32_getsockname
832                             win32_gethostname
833                             win32_gethostbyname
834                             win32_gethostbyaddr
835                             win32_getprotobyname
836                             win32_getprotobynumber
837                             win32_getservbyname
838                             win32_getservbyport
839                             win32_select
840                             win32_endhostent
841                             win32_endnetent
842                             win32_endprotoent
843                             win32_endservent
844                             win32_getnetent
845                             win32_getnetbyname
846                             win32_getnetbyaddr
847                             win32_getprotoent
848                             win32_getservent
849                             win32_sethostent
850                             win32_setnetent
851                             win32_setprotoent
852                             win32_setservent
853                             win32_getenv
854                             win32_putenv
855                             win32_perror
856                             win32_malloc
857                             win32_calloc
858                             win32_realloc
859                             win32_free
860                             win32_sleep
861                             win32_times
862                             win32_access
863                             win32_alarm
864                             win32_chmod
865                             win32_open_osfhandle
866                             win32_get_osfhandle
867                             win32_ioctl
868                             win32_link
869                             win32_unlink
870                             win32_utime
871                             win32_uname
872                             win32_wait
873                             win32_waitpid
874                             win32_kill
875                             win32_str_os_error
876                             win32_opendir
877                             win32_readdir
878                             win32_telldir
879                             win32_seekdir
880                             win32_rewinddir
881                             win32_closedir
882                             win32_longpath
883                             win32_os_id
884                             win32_getpid
885                             win32_crypt
886                             win32_dynaload
887                             win32_get_childenv
888                             win32_free_childenv
889                             win32_clearenv
890                             win32_get_childdir
891                             win32_free_childdir
892                             win32_stdin
893                             win32_stdout
894                             win32_stderr
895                             win32_ferror
896                             win32_feof
897                             win32_strerror
898                             win32_fprintf
899                             win32_printf
900                             win32_vfprintf
901                             win32_vprintf
902                             win32_fread
903                             win32_fwrite
904                             win32_fopen
905                             win32_fdopen
906                             win32_freopen
907                             win32_fclose
908                             win32_fputs
909                             win32_fputc
910                             win32_ungetc
911                             win32_getc
912                             win32_fileno
913                             win32_clearerr
914                             win32_fflush
915                             win32_ftell
916                             win32_fseek
917                             win32_fgetpos
918                             win32_fsetpos
919                             win32_rewind
920                             win32_tmpfile
921                             win32_setbuf
922                             win32_setvbuf
923                             win32_flushall
924                             win32_fcloseall
925                             win32_fgets
926                             win32_gets
927                             win32_fgetc
928                             win32_putc
929                             win32_puts
930                             win32_getchar
931                             win32_putchar
932                            ))
933     {
934         try_symbol($symbol);
935     }
936 }
937 elsif ($PLATFORM eq 'os2') {
938     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
939     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
940     close MAP or die 'Cannot close miniperl.map';
941
942     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
943                     keys %export;
944     delete $export{$_} foreach @missing;
945 }
946 elsif ($PLATFORM eq 'MacOS') {
947     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
948
949     while (<MACSYMS>) {
950         try_symbol($_);
951     }
952
953     close MACSYMS;
954 }
955 elsif ($PLATFORM eq 'netware') {
956 foreach my $symbol (qw(
957                         boot_DynaLoader
958                         Perl_init_os_extras
959                         Perl_thread_create
960                         Perl_nw5_init
961                         RunPerl
962                         AllocStdPerl
963                         FreeStdPerl
964                         do_spawn2
965                         do_aspawn
966                         nw_uname
967                         nw_stdin
968                         nw_stdout
969                         nw_stderr
970                         nw_feof
971                         nw_ferror
972                         nw_fopen
973                         nw_fclose
974                         nw_clearerr
975                         nw_getc
976                         nw_fgets
977                         nw_fputc
978                         nw_fputs
979                         nw_fflush
980                         nw_ungetc
981                         nw_fileno
982                         nw_fdopen
983                         nw_freopen
984                         nw_fread
985                         nw_fwrite
986                         nw_setbuf
987                         nw_setvbuf
988                         nw_vfprintf
989                         nw_ftell
990                         nw_fseek
991                         nw_rewind
992                         nw_tmpfile
993                         nw_fgetpos
994                         nw_fsetpos
995                         nw_dup
996                         nw_access
997                         nw_chmod
998                         nw_chsize
999                         nw_close
1000                         nw_dup2
1001                         nw_flock
1002                         nw_isatty
1003                         nw_link
1004                         nw_lseek
1005                         nw_stat
1006                         nw_mktemp
1007                         nw_open
1008                         nw_read
1009                         nw_rename
1010                         nw_setmode
1011                         nw_unlink
1012                         nw_utime
1013                         nw_write
1014                         nw_chdir
1015                         nw_rmdir
1016                         nw_closedir
1017                         nw_opendir
1018                         nw_readdir
1019                         nw_rewinddir
1020                         nw_seekdir
1021                         nw_telldir
1022                         nw_htonl
1023                         nw_htons
1024                         nw_ntohl
1025                         nw_ntohs
1026                         nw_accept
1027                         nw_bind
1028                         nw_connect
1029                         nw_endhostent
1030                         nw_endnetent
1031                         nw_endprotoent
1032                         nw_endservent
1033                         nw_gethostbyaddr
1034                         nw_gethostbyname
1035                         nw_gethostent
1036                         nw_gethostname
1037                         nw_getnetbyaddr
1038                         nw_getnetbyname
1039                         nw_getnetent
1040                         nw_getpeername
1041                         nw_getprotobyname
1042                         nw_getprotobynumber
1043                         nw_getprotoent
1044                         nw_getservbyname
1045                         nw_getservbyport
1046                         nw_getservent
1047                         nw_getsockname
1048                         nw_getsockopt
1049                         nw_inet_addr
1050                         nw_listen
1051                         nw_socket
1052                         nw_recv
1053                         nw_recvfrom
1054                         nw_select
1055                         nw_send
1056                         nw_sendto
1057                         nw_sethostent
1058                         nw_setnetent
1059                         nw_setprotoent
1060                         nw_setservent
1061                         nw_setsockopt
1062                         nw_shutdown
1063                         nw_crypt
1064                         nw_execvp
1065                         nw_kill
1066                         nw_Popen
1067                         nw_Pclose
1068                         nw_Pipe
1069                         nw_times
1070                         nw_waitpid
1071                         nw_getpid
1072                         nw_spawnvp
1073                         nw_os_id
1074                         nw_open_osfhandle
1075                         nw_get_osfhandle
1076                         nw_abort
1077                         nw_sleep
1078                         nw_wait
1079                         nw_dynaload
1080                         nw_strerror
1081                         fnFpSetMode
1082                         fnInsertHashListAddrs
1083                         fnGetHashListAddrs
1084                         Perl_deb
1085                            ))
1086     {
1087         try_symbol($symbol);
1088     }
1089 }
1090
1091 # Now all symbols should be defined because
1092 # next we are going to output them.
1093
1094 foreach my $symbol (sort keys %export) {
1095     output_symbol($symbol);
1096 }
1097
1098 if ($PLATFORM eq 'netware') {
1099         # This may not be the right way to do.  This is to make sure
1100         # that the last symbol will not contain a comma else
1101         # Watcom linker cribs
1102         print "\tdummy\n";
1103 }
1104
1105 sub emit_symbol {
1106     my $symbol = shift;
1107     chomp($symbol);
1108     $export{$symbol} = 1;
1109 }
1110
1111 my $sym_ord = 0;
1112
1113 sub output_symbol {
1114     my $symbol = shift;
1115     $symbol = $bincompat5005{$symbol}
1116         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
1117     if ($PLATFORM eq 'win32') {
1118         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1119         print "\t$symbol\n";
1120 # XXX: binary compatibility between compilers is an exercise
1121 # in frustration :-(
1122 #        if ($CCTYPE eq "BORLAND") {
1123 #           # workaround Borland quirk by exporting both the straight
1124 #           # name and a name with leading underscore.  Note the
1125 #           # alias *must* come after the symbol itself, if both
1126 #           # are to be exported. (Linker bug?)
1127 #           print "\t_$symbol\n";
1128 #           print "\t$symbol = _$symbol\n";
1129 #       }
1130 #       elsif ($CCTYPE eq 'GCC') {
1131 #           # Symbols have leading _ whole process is $%@"% slow
1132 #           # so skip aliases for now
1133 #           nprint "\t$symbol\n";
1134 #       }
1135 #       else {
1136 #           # for binary coexistence, export both the symbol and
1137 #           # alias with leading underscore
1138 #           print "\t$symbol\n";
1139 #           print "\t_$symbol = $symbol\n";
1140 #       }
1141     }
1142     elsif ($PLATFORM eq 'os2') {
1143         printf qq(    %-31s \@%s\n), qq("$symbol"), ++$sym_ord;
1144     }
1145     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1146         print "$symbol\n";
1147     }
1148         elsif ($PLATFORM eq 'netware') {
1149         print "\t$symbol,\n";
1150         }
1151 }
1152
1153 1;
1154 __DATA__
1155 # extra globals not included above.
1156 Perl_cxinc
1157 perl_alloc
1158 perl_alloc_using
1159 perl_clone
1160 perl_clone_using
1161 perl_construct
1162 perl_destruct
1163 perl_free
1164 perl_parse
1165 perl_run
1166 PerlIOBase_clearerr
1167 PerlIOBase_close
1168 PerlIOBase_dup
1169 PerlIOBase_eof
1170 PerlIOBase_error
1171 PerlIOBase_fileno
1172 PerlIOBase_pushed
1173 PerlIOBase_read
1174 PerlIOBase_setlinebuf
1175 PerlIOBase_unread
1176 PerlIOBuf_bufsiz
1177 PerlIOBuf_fill
1178 PerlIOBuf_flush
1179 PerlIOBuf_get_cnt
1180 PerlIOBuf_get_ptr
1181 PerlIOBuf_open
1182 PerlIOBuf_pushed
1183 PerlIOBuf_read
1184 PerlIOBuf_seek
1185 PerlIOBuf_set_ptrcnt
1186 PerlIOBuf_tell
1187 PerlIOBuf_unread
1188 PerlIOBuf_write
1189 PerlIO_allocate
1190 PerlIO_apply_layers
1191 PerlIO_arg_fetch
1192 PerlIO_binmode
1193 PerlIO_define_layer
1194 PerlIO_define_layer
1195 PerlIO_getpos
1196 PerlIO_init
1197 PerlIO_pending
1198 PerlIO_push
1199 PerlIO_setpos
1200 PerlIO_sprintf
1201 PerlIO_sv_dup
1202 PerlIO_tmpfile
1203 PerlIO_vsprintf
1204 perlsio_binmode