This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
more thorough cleaning of arenas--keep going until no more
[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 #
7 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
8 # On OS/2 reads miniperl.map as well
9
10 my $PLATFORM;
11 my $CCTYPE;
12
13 my %bincompat5005 =
14       (
15        Perl_call_atexit         =>      "perl_atexit",
16        Perl_eval_sv             =>      "perl_eval_sv",
17        Perl_eval_pv             =>      "perl_eval_pv",
18        Perl_call_argv           =>      "perl_call_argv",
19        Perl_call_method         =>      "perl_call_method",
20        Perl_call_pv             =>      "perl_call_pv",
21        Perl_call_sv             =>      "perl_call_sv",
22        Perl_get_av              =>      "perl_get_av",
23        Perl_get_cv              =>      "perl_get_cv",
24        Perl_get_hv              =>      "perl_get_hv",
25        Perl_get_sv              =>      "perl_get_sv",
26        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
27        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
28        Perl_new_collate         =>      "perl_new_collate",
29        Perl_new_ctype           =>      "perl_new_ctype",
30        Perl_new_numeric         =>      "perl_new_numeric",
31        Perl_require_pv          =>      "perl_require_pv",
32        Perl_safesyscalloc       =>      "Perl_safecalloc",
33        Perl_safesysfree         =>      "Perl_safefree",
34        Perl_safesysmalloc       =>      "Perl_safemalloc",
35        Perl_safesysrealloc      =>      "Perl_saferealloc",
36        Perl_set_numeric_local   =>      "perl_set_numeric_local",
37        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
38        Perl_malloc              =>      "malloc",
39        Perl_mfree               =>      "free",
40        Perl_realloc             =>      "realloc",
41        Perl_calloc              =>      "calloc",
42       );
43
44 my $bincompat5005 = join("|", keys %bincompat5005);
45
46 while (@ARGV) {
47     my $flag = shift;
48     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
49     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
50     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
51     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
52 }
53
54 my @PLATFORM = qw(aix win32 os2 MacOS);
55 my %PLATFORM;
56 @PLATFORM{@PLATFORM} = ();
57
58 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
59 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n"; 
60
61 my $config_sh   = "config.sh";
62 my $config_h    = "config.h";
63 my $thrdvar_h   = "thrdvar.h";
64 my $intrpvar_h  = "intrpvar.h";
65 my $perlvars_h  = "perlvars.h";
66 my $global_sym  = "global.sym";
67 my $pp_sym      = "pp.sym";
68 my $globvar_sym = "globvar.sym";
69 my $perlio_sym  = "perlio.sym";
70
71 if ($PLATFORM eq 'aix') { 
72     # Nothing for now.
73 }
74 elsif ($PLATFORM eq 'win32') {
75     $CCTYPE = "MSVC" unless defined $CCTYPE;
76     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym, $pp_sym, $globvar_sym) {
77         s!^!..\\!;
78     }
79 }
80 elsif ($PLATFORM eq 'MacOS') {
81     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
82                 $pp_sym, $globvar_sym, $perlio_sym) {
83         s!^!::!;
84     }
85 }
86
87 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS') {
88     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
89     while (<CFG>) {
90         if (/^(?:ccflags|optimize)='(.+)'$/) {
91             $_ = $1;
92             $define{$1} = 1 while /-D(\w+)/g;
93         }
94         if ($PLATFORM eq 'os2') {
95             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
96             $ARCHNAME = $1 if /^(?:archname)='(.+)'$/;
97         }
98     }
99     close(CFG);
100 }
101
102 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
103 while (<CFG>) {
104     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
105     $define{$1} = 1 if /^\s*#\s*define\s+(USE_5005THREADS)\b/;
106     $define{$1} = 1 if /^\s*#\s*define\s+(USE_ITHREADS)\b/;
107     $define{$1} = 1 if /^\s*#\s*define\s+(USE_PERLIO)\b/;
108     $define{$1} = 1 if /^\s*#\s*define\s+(USE_SFIO)\b/;
109     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
110     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_IMPLICIT_SYS)\b/;
111     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_BINCOMPAT_5005)\b/;
112 }
113 close(CFG);
114
115 # perl.h logic duplication begins
116
117 if ($define{USE_ITHREADS}) {
118     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
119         $define{MULTIPLICITY} = 1;
120     }
121 }
122
123 $define{PERL_IMPLICIT_CONTEXT} ||=
124     $define{USE_ITHREADS} ||
125     $define{USE_5005THREADS}  ||
126     $define{MULTIPLICITY} ;
127
128 if ($define{PERL_CAPI}) {
129     delete $define{PERL_OBJECT};
130     $define{MULTIPLICITY} = 1; 
131     $define{PERL_IMPLICIT_CONTEXT} = 1;
132     $define{PERL_IMPLICIT_SYS}     = 1;
133 }
134
135 if ($define{PERL_OBJECT}) {
136     $define{PERL_IMPLICIT_CONTEXT} = 1;
137     $define{PERL_IMPLICIT_SYS}     = 1;
138 }
139
140 # perl.h logic duplication ends
141
142 if ($PLATFORM eq 'win32') {
143     warn join(' ',keys %define)."\n";
144     print "LIBRARY Perl56\n";
145     print "DESCRIPTION 'Perl interpreter'\n";
146     print "EXPORTS\n";
147     if ($define{PERL_IMPLICIT_SYS}) {
148         output_symbol("perl_get_host_info");
149         output_symbol("perl_alloc_override");
150     }
151 }
152 elsif ($PLATFORM eq 'os2') {
153     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
154     $v .= '-thread' if $ARCHNAME =~ /-thread/;
155     #$sum = 0;
156     #for (split //, $v) {
157     #   $sum = ($sum * 33) + ord;
158     #   $sum &= 0xffffff;
159     #}
160     #$sum += $sum >> 5;
161     #$sum &= 0xffff;
162     #$sum = printf '%X', $sum;
163     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
164     # print STDERR "'$dll' <= '$define{PERL_DLL}'\n";
165     print <<"---EOP---";
166 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
167 DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter'
168 STACKSIZE 32768
169 CODE LOADONCALL
170 DATA LOADONCALL NONSHARED MULTIPLE
171 EXPORTS
172 ---EOP---
173 }
174 elsif ($PLATFORM eq 'aix') {
175     print "#!\n";
176 }
177
178 my %skip;
179 my %export;
180
181 sub skip_symbols {
182     my $list = shift;
183     foreach my $symbol (@$list) {
184         $skip{$symbol} = 1;
185     }
186 }
187
188 sub emit_symbols {
189     my $list = shift;
190     foreach my $symbol (@$list) {
191         my $skipsym = $symbol;
192         # XXX hack
193         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
194             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
195         }
196         emit_symbol($symbol) unless exists $skip{$skipsym};
197     }
198 }
199
200 if ($PLATFORM eq 'win32') {
201     skip_symbols [qw(
202                      PL_statusvalue_vms
203                      PL_archpat_auto
204                      PL_cryptseen
205                      PL_DBcv
206                      PL_generation
207                      PL_lastgotoprobe
208                      PL_linestart
209                      PL_modcount
210                      PL_pending_ident
211                      PL_sortcxix
212                      PL_sublex_info
213                      PL_timesbuf
214                      main
215                      Perl_ErrorNo
216                      Perl_GetVars
217                      Perl_do_exec3
218                      Perl_do_ipcctl
219                      Perl_do_ipcget
220                      Perl_do_msgrcv
221                      Perl_do_msgsnd
222                      Perl_do_semop
223                      Perl_do_shmio
224                      Perl_dump_fds
225                      Perl_init_thread_intern
226                      Perl_my_bzero
227                      Perl_my_htonl
228                      Perl_my_ntohl
229                      Perl_my_swap
230                      Perl_my_chsize
231                      Perl_same_dirent
232                      Perl_setenv_getix
233                      Perl_unlnk
234                      Perl_watch
235                      Perl_safexcalloc
236                      Perl_safexmalloc
237                      Perl_safexfree
238                      Perl_safexrealloc
239                      Perl_my_memcmp
240                      Perl_my_memset
241                      PL_cshlen
242                      PL_cshname
243                      PL_opsave
244                      Perl_do_exec
245                      Perl_getenv_len
246                      Perl_my_pclose
247                      Perl_my_popen
248                      )];
249 }
250 elsif ($PLATFORM eq 'aix') {
251     skip_symbols([qw(
252                      Perl_dump_fds
253                      Perl_ErrorNo
254                      Perl_GetVars
255                      Perl_my_bcopy
256                      Perl_my_bzero
257                      Perl_my_chsize
258                      Perl_my_htonl
259                      Perl_my_memcmp
260                      Perl_my_memset
261                      Perl_my_ntohl
262                      Perl_my_swap
263                      Perl_safexcalloc
264                      Perl_safexfree
265                      Perl_safexmalloc
266                      Perl_safexrealloc
267                      Perl_same_dirent
268                      Perl_unlnk
269                      Perl_sys_intern_clear
270                      Perl_sys_intern_dup
271                      Perl_sys_intern_init
272                      PL_cryptseen
273                      PL_opsave
274                      PL_statusvalue_vms
275                      PL_sys_intern
276                      )]);
277 }
278 elsif ($PLATFORM eq 'os2') {
279     emit_symbols([qw(
280                     ctermid
281                     get_sysinfo
282                     Perl_OS2_init
283                     OS2_Perl_data
284                     dlopen
285                     dlsym
286                     dlerror
287                     dlclose
288                     my_tmpfile
289                     my_tmpnam
290                     my_flock
291                     my_rmdir
292                     my_mkdir
293                     malloc_mutex
294                     threads_mutex
295                     nthreads
296                     nthreads_cond
297                     os2_cond_wait
298                     os2_stat
299                     pthread_join
300                     pthread_create
301                     pthread_detach
302                     XS_Cwd_change_drive
303                     XS_Cwd_current_drive
304                     XS_Cwd_extLibpath
305                     XS_Cwd_extLibpath_set
306                     XS_Cwd_sys_abspath
307                     XS_Cwd_sys_chdir
308                     XS_Cwd_sys_cwd
309                     XS_Cwd_sys_is_absolute
310                     XS_Cwd_sys_is_relative
311                     XS_Cwd_sys_is_rooted
312                     XS_DynaLoader_mod2fname
313                     XS_File__Copy_syscopy
314                     Perl_Register_MQ
315                     Perl_Deregister_MQ
316                     Perl_Serve_Messages
317                     Perl_Process_Messages
318                     init_PMWIN_entries
319                     PMWIN_entries
320                     Perl_hab_GET
321                     )]);
322 }
323 elsif ($PLATFORM eq 'MacOS') {
324     skip_symbols [qw(
325                     Perl_GetVars
326                     PL_cryptseen
327                     PL_cshlen
328                     PL_cshname
329                     PL_statusvalue_vms
330                     PL_sys_intern
331                     PL_opsave
332                     PL_timesbuf
333                     Perl_dump_fds
334                     Perl_my_bcopy
335                     Perl_my_bzero
336                     Perl_my_chsize
337                     Perl_my_htonl
338                     Perl_my_memcmp
339                     Perl_my_memset
340                     Perl_my_ntohl
341                     Perl_my_swap
342                     Perl_safexcalloc
343                     Perl_safexfree
344                     Perl_safexmalloc
345                     Perl_safexrealloc
346                     Perl_unlnk
347                     Perl_sys_intern_clear
348                     Perl_sys_intern_init
349                     )];
350 }
351
352
353 unless ($define{'DEBUGGING'}) {
354     skip_symbols [qw(
355                     Perl_deb_growlevel
356                     Perl_debop
357                     Perl_debprofdump
358                     Perl_debstack
359                     Perl_debstackptrs
360                     Perl_runops_debug
361                     Perl_sv_peek
362                     PL_block_type
363                     PL_watchaddr
364                     PL_watchok
365                     )];
366 }
367
368 if ($define{'PERL_IMPLICIT_SYS'}) {
369     skip_symbols [qw(
370                     Perl_getenv_len
371                     Perl_my_popen
372                     Perl_my_pclose
373                     )];
374 }
375 else {
376     skip_symbols [qw(
377                     PL_Mem
378                     PL_MemShared
379                     PL_MemParse
380                     PL_Env
381                     PL_StdIO
382                     PL_LIO
383                     PL_Dir
384                     PL_Sock
385                     PL_Proc
386                     )];
387 }
388
389 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
390     skip_symbols [qw(
391                     PL_protect
392                     Perl_default_protect
393                     Perl_vdefault_protect
394                     )];
395 }
396
397 if ($define{'MYMALLOC'}) {
398     emit_symbols [qw(
399                     Perl_dump_mstats
400                     Perl_get_mstats
401                     Perl_malloc
402                     Perl_mfree
403                     Perl_realloc
404                     Perl_calloc
405                     Perl_strdup
406                     Perl_putenv
407                     )];
408     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
409         emit_symbols [qw(
410                         PL_malloc_mutex
411                         )];
412     }
413     else {
414         skip_symbols [qw(
415                         PL_malloc_mutex
416                         )];
417     }
418 }
419 else {
420     skip_symbols [qw(
421                     PL_malloc_mutex
422                     Perl_dump_mstats
423                     Perl_get_mstats
424                     Perl_malloc
425                     Perl_mfree
426                     Perl_realloc
427                     Perl_calloc
428                     Perl_malloced_size
429                     )];
430 }
431
432 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
433     skip_symbols [qw(
434                     PL_thr_key
435                     )];
436 }
437
438 unless ($define{'USE_5005THREADS'}) {
439     skip_symbols [qw(
440                     PL_sv_mutex
441                     PL_strtab_mutex
442                     PL_svref_mutex
443                     PL_cred_mutex
444                     PL_eval_mutex
445                     PL_fdpid_mutex
446                     PL_sv_lock_mutex
447                     PL_eval_cond
448                     PL_eval_owner
449                     PL_threads_mutex
450                     PL_nthreads
451                     PL_nthreads_cond
452                     PL_threadnum
453                     PL_threadsv_names
454                     PL_thrsv
455                     PL_vtbl_mutex
456                     Perl_condpair_magic
457                     Perl_new_struct_thread
458                     Perl_per_thread_magicals
459                     Perl_thread_create
460                     Perl_find_threadsv
461                     Perl_unlock_condpair
462                     Perl_magic_mutexfree
463                     Perl_sv_lock
464                     )];
465 }
466
467 unless ($define{'USE_ITHREADS'}) {
468     skip_symbols [qw(
469                     PL_ptr_table
470                     PL_op_mutex
471                     Perl_dirp_dup
472                     Perl_cx_dup
473                     Perl_si_dup
474                     Perl_any_dup
475                     Perl_ss_dup
476                     Perl_fp_dup
477                     Perl_gp_dup
478                     Perl_he_dup
479                     Perl_mg_dup
480                     Perl_re_dup
481                     Perl_sv_dup
482                     Perl_sys_intern_dup
483                     Perl_ptr_table_fetch
484                     Perl_ptr_table_new
485                     Perl_ptr_table_split
486                     Perl_ptr_table_store
487                     perl_clone
488                     perl_clone_using
489                     )];
490 }
491
492 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
493     skip_symbols [qw(
494                     Perl_croak_nocontext
495                     Perl_die_nocontext
496                     Perl_deb_nocontext
497                     Perl_form_nocontext
498                     Perl_load_module_nocontext
499                     Perl_mess_nocontext
500                     Perl_warn_nocontext
501                     Perl_warner_nocontext
502                     Perl_newSVpvf_nocontext
503                     Perl_sv_catpvf_nocontext
504                     Perl_sv_setpvf_nocontext
505                     Perl_sv_catpvf_mg_nocontext
506                     Perl_sv_setpvf_mg_nocontext
507                     )];
508 }
509
510 unless ($define{'PERL_IMPLICIT_SYS'}) {
511     skip_symbols [qw(
512                     perl_alloc_using
513                     perl_clone_using
514                     )];
515 }
516
517 unless ($define{'FAKE_THREADS'}) {
518     skip_symbols [qw(PL_curthr)];
519 }
520
521 sub readvar {
522     my $file = shift;
523     my $proc = shift || sub { "PL_$_[2]" };
524     open(VARS,$file) || die "Cannot open $file: $!\n";
525     my @syms;
526     while (<VARS>) {
527         # All symbols have a Perl_ prefix because that's what embed.h
528         # sticks in front of them.
529         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
530     } 
531     close(VARS); 
532     return \@syms;
533 }
534
535 if ($define{'USE_5005THREADS'}) {
536     my $thrd = readvar($thrdvar_h);
537     skip_symbols $thrd;
538 }
539
540 if ($define{'PERL_GLOBAL_STRUCT'}) {
541     my $global = readvar($perlvars_h);
542     skip_symbols $global;
543     emit_symbol('Perl_GetVars');
544     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
545 }
546
547 # functions from *.sym files
548
549 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
550
551 if ($define{'USE_PERLIO'}) {
552     push @syms, $perlio_sym;
553     if ($define{'USE_SFIO'}) {
554         # SFIO defines most of the PerlIO routines as macros
555         skip_symbols [qw(
556                          PerlIO_canset_cnt
557                          PerlIO_clearerr
558                          PerlIO_close
559                          PerlIO_eof
560                          PerlIO_error
561                          PerlIO_exportFILE
562                          PerlIO_fast_gets
563                          PerlIO_fdopen
564                          PerlIO_fileno
565                          PerlIO_findFILE
566                          PerlIO_flush
567                          PerlIO_get_base
568                          PerlIO_get_bufsiz
569                          PerlIO_get_cnt
570                          PerlIO_get_ptr
571                          PerlIO_getc
572                          PerlIO_getname
573                          PerlIO_has_base
574                          PerlIO_has_cntptr
575                          PerlIO_importFILE
576                          PerlIO_open
577                          PerlIO_printf
578                          PerlIO_putc
579                          PerlIO_puts
580                          PerlIO_read
581                          PerlIO_releaseFILE
582                          PerlIO_reopen
583                          PerlIO_rewind
584                          PerlIO_seek
585                          PerlIO_set_cnt
586                          PerlIO_set_ptrcnt
587                          PerlIO_setlinebuf
588                          PerlIO_sprintf
589                          PerlIO_stderr
590                          PerlIO_stdin
591                          PerlIO_stdout
592                          PerlIO_stdoutf
593                          PerlIO_tell
594                          PerlIO_ungetc
595                          PerlIO_vprintf
596                          PerlIO_write
597                          )];
598     }
599 }
600
601 for my $syms (@syms) {
602     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
603     while (<GLOBAL>) {
604         next if (!/^[A-Za-z]/);
605         # Functions have a Perl_ prefix
606         # Variables have a PL_ prefix
607         chomp($_);
608         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
609         $symbol .= $_;
610         emit_symbol($symbol) unless exists $skip{$symbol};
611     }
612     close(GLOBAL);
613 }
614
615 # variables
616
617 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
618     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
619         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
620         emit_symbols $glob;
621     }
622     # XXX AIX seems to want the perlvars.h symbols, for some reason
623     if ($PLATFORM eq 'aix') {
624         my $glob = readvar($perlvars_h);
625         emit_symbols $glob;
626     }
627 }
628 else {
629     unless ($define{'PERL_GLOBAL_STRUCT'}) {
630         my $glob = readvar($perlvars_h);
631         emit_symbols $glob;
632     } 
633     unless ($define{'MULTIPLICITY'}) {
634         my $glob = readvar($intrpvar_h);
635         emit_symbols $glob;
636     } 
637     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
638         my $glob = readvar($thrdvar_h);
639         emit_symbols $glob;
640     } 
641 }
642
643 sub try_symbol {
644     my $symbol = shift;
645
646     return if $symbol !~ /^[A-Za-z]/;
647     return if $symbol =~ /^\#/;
648     $symbol =~s/\r//g;
649     chomp($symbol);
650     return if exists $skip{$symbol};
651     emit_symbol($symbol);
652 }
653
654 while (<DATA>) {
655     try_symbol($_);
656 }
657
658 if ($PLATFORM eq 'win32') {
659     foreach my $symbol (qw(
660                             boot_DynaLoader
661                             Perl_init_os_extras
662                             Perl_thread_create
663                             Perl_win32_init
664                             RunPerl
665                             win32_errno
666                             win32_environ
667                             win32_stdin
668                             win32_stdout
669                             win32_stderr
670                             win32_ferror
671                             win32_feof
672                             win32_strerror
673                             win32_fprintf
674                             win32_printf
675                             win32_vfprintf
676                             win32_vprintf
677                             win32_fread
678                             win32_fwrite
679                             win32_fopen
680                             win32_fdopen
681                             win32_freopen
682                             win32_fclose
683                             win32_fputs
684                             win32_fputc
685                             win32_ungetc
686                             win32_getc
687                             win32_fileno
688                             win32_clearerr
689                             win32_fflush
690                             win32_ftell
691                             win32_fseek
692                             win32_fgetpos
693                             win32_fsetpos
694                             win32_rewind
695                             win32_tmpfile
696                             win32_abort
697                             win32_fstat
698                             win32_stat
699                             win32_pipe
700                             win32_popen
701                             win32_pclose
702                             win32_rename
703                             win32_setmode
704                             win32_lseek
705                             win32_tell
706                             win32_dup
707                             win32_dup2
708                             win32_open
709                             win32_close
710                             win32_eof
711                             win32_read
712                             win32_write
713                             win32_spawnvp
714                             win32_mkdir
715                             win32_rmdir
716                             win32_chdir
717                             win32_flock
718                             win32_execv
719                             win32_execvp
720                             win32_htons
721                             win32_ntohs
722                             win32_htonl
723                             win32_ntohl
724                             win32_inet_addr
725                             win32_inet_ntoa
726                             win32_socket
727                             win32_bind
728                             win32_listen
729                             win32_accept
730                             win32_connect
731                             win32_send
732                             win32_sendto
733                             win32_recv
734                             win32_recvfrom
735                             win32_shutdown
736                             win32_closesocket
737                             win32_ioctlsocket
738                             win32_setsockopt
739                             win32_getsockopt
740                             win32_getpeername
741                             win32_getsockname
742                             win32_gethostname
743                             win32_gethostbyname
744                             win32_gethostbyaddr
745                             win32_getprotobyname
746                             win32_getprotobynumber
747                             win32_getservbyname
748                             win32_getservbyport
749                             win32_select
750                             win32_endhostent
751                             win32_endnetent
752                             win32_endprotoent
753                             win32_endservent
754                             win32_getnetent
755                             win32_getnetbyname
756                             win32_getnetbyaddr
757                             win32_getprotoent
758                             win32_getservent
759                             win32_sethostent
760                             win32_setnetent
761                             win32_setprotoent
762                             win32_setservent
763                             win32_getenv
764                             win32_putenv
765                             win32_perror
766                             win32_setbuf
767                             win32_setvbuf
768                             win32_flushall
769                             win32_fcloseall
770                             win32_fgets
771                             win32_gets
772                             win32_fgetc
773                             win32_putc
774                             win32_puts
775                             win32_getchar
776                             win32_putchar
777                             win32_malloc
778                             win32_calloc
779                             win32_realloc
780                             win32_free
781                             win32_sleep
782                             win32_times
783                             win32_access
784                             win32_alarm
785                             win32_chmod
786                             win32_open_osfhandle
787                             win32_get_osfhandle
788                             win32_ioctl
789                             win32_link
790                             win32_unlink
791                             win32_utime
792                             win32_uname
793                             win32_wait
794                             win32_waitpid
795                             win32_kill
796                             win32_str_os_error
797                             win32_opendir
798                             win32_readdir
799                             win32_telldir
800                             win32_seekdir
801                             win32_rewinddir
802                             win32_closedir
803                             win32_longpath
804                             win32_os_id
805                             win32_getpid
806                             win32_crypt
807                             win32_dynaload
808                            ))
809     {
810         try_symbol($symbol);
811     }
812 }
813 elsif ($PLATFORM eq 'os2') {
814     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
815     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
816     close MAP or die 'Cannot close miniperl.map';
817
818     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
819                     keys %export;
820     delete $export{$_} foreach @missing;
821 }
822 elsif ($PLATFORM eq 'MacOS') {
823     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
824
825     while (<MACSYMS>) {
826         try_symbol($_);
827     }
828
829     close MACSYMS;
830 }
831
832 # Now all symbols should be defined because
833 # next we are going to output them.
834
835 foreach my $symbol (sort keys %export) {
836     output_symbol($symbol);
837 }
838
839 sub emit_symbol {
840     my $symbol = shift;
841     chomp($symbol); 
842     $export{$symbol} = 1;
843 }
844
845 sub output_symbol {
846     my $symbol = shift;
847     $symbol = $bincompat5005{$symbol}
848         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
849     if ($PLATFORM eq 'win32') {
850         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
851         print "\t$symbol\n";
852 # XXX: binary compatibility between compilers is an exercise
853 # in frustration :-(
854 #        if ($CCTYPE eq "BORLAND") {
855 #           # workaround Borland quirk by exporting both the straight
856 #           # name and a name with leading underscore.  Note the
857 #           # alias *must* come after the symbol itself, if both
858 #           # are to be exported. (Linker bug?)
859 #           print "\t_$symbol\n";
860 #           print "\t$symbol = _$symbol\n";
861 #       }
862 #       elsif ($CCTYPE eq 'GCC') {
863 #           # Symbols have leading _ whole process is $%@"% slow
864 #           # so skip aliases for now
865 #           nprint "\t$symbol\n";
866 #       }
867 #       else {
868 #           # for binary coexistence, export both the symbol and
869 #           # alias with leading underscore
870 #           print "\t$symbol\n";
871 #           print "\t_$symbol = $symbol\n";
872 #       }
873     }
874     elsif ($PLATFORM eq 'os2') {
875         print qq(    "$symbol"\n);
876     }
877     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
878         print "$symbol\n";
879     }
880 }
881
882 1;
883 __DATA__
884 # extra globals not included above.
885 perl_alloc
886 perl_alloc_using
887 perl_clone
888 perl_clone_using
889 perl_construct
890 perl_destruct
891 perl_free
892 perl_parse
893 perl_run