Update Compress-Raw-Zlib to CPAN version 2.048
[perl.git] / makedef.pl
1 #./perl -w
2 #
3 # Create the export list for perl.
4 #
5 # Needed by WIN32 and OS/2 for creating perl.dll,
6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
7 # and by VMS for creating perlshr.exe.
8 #
9 # Reads from information stored in
10 #
11 #    %Config::Config (ie config.sh)
12 #    config.h
13 #    embed.fnc
14 #    globvar.sym
15 #    intrpvar.h
16 #    miniperl.map (on OS/2)
17 #    perl5.def    (on OS/2; this is the old version of the file being made)
18 #    perlio.sym
19 #    perlvars.h
20 #    regen/opcodes
21 #
22 # plus long lists of function names hard-coded directly in this script.
23 #
24 # Writes the result to STDOUT.
25 #
26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
27 # which redirects STDOUT to a suitable file, such as:
28 #
29 #    perl5.def   OS/2
30 #    perldll.def Windows
31 #    perl.exp    AIX
32 #    perl.imp    NetWare
33 #    makedef.lis VMS
34
35 BEGIN { unshift @INC, "lib" }
36 use Config;
37 use strict;
38
39 my %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
40
41 my %define;
42
43 my $fold;
44
45 sub process_cc_flags {
46     foreach (map {split /\s+/, $_} @_) {
47         $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
48     }
49 }
50
51 while (@ARGV) {
52     my $flag = shift;
53     if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
54         process_cc_flags($1);
55     } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
56         $ARGS{$1} = $2;
57     } elsif ($flag eq '--sort-fold') {
58         ++$fold;
59     }
60 }
61
62 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
63
64 {
65     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
66     my %PLATFORM;
67     @PLATFORM{@PLATFORM} = ();
68
69     die "PLATFORM undefined, must be one of: @PLATFORM\n"
70         unless defined $ARGS{PLATFORM};
71     die "PLATFORM must be one of: @PLATFORM\n"
72         unless exists $PLATFORM{$ARGS{PLATFORM}};
73 }
74
75 # Is the following guard strictly necessary? Added during refactoring
76 # to keep the same behaviour when merging other code into here.
77 process_cc_flags(@Config{qw(ccflags optimize)})
78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
79     && $ARGS{PLATFORM} ne 'netware';
80
81 # Add the compile-time options that miniperl was built with to %define.
82 # On Win32 these are not the same options as perl itself will be built
83 # with since miniperl is built with a canned config (one of the win32/
84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
85 # but they do include some #define's that are hard-coded in various
86 # source files and header files and don't include any BUILDOPT's that
87 # the user might have chosen to disable because the canned configs are
88 # minimal configs that don't include any of those options.
89
90 my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
91 print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
92 $define{$_} = 1 foreach @options;
93
94 my %exportperlmalloc =
95     (
96        Perl_malloc              =>      "malloc",
97        Perl_mfree               =>      "free",
98        Perl_realloc             =>      "realloc",
99        Perl_calloc              =>      "calloc",
100     );
101
102 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
103
104 open(CFG, '<', 'config.h') || die "Cannot open config.h: $!\n";
105 while (<CFG>) {
106     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
107                                            |SPRINTF_RETURNS_STRLEN
108                                            |(?:PERL|USE|HAS)_\w+)\b/x;
109 }
110 close(CFG);
111
112 # perl.h logic duplication begins
113
114 if ($define{PERL_IMPLICIT_SYS}) {
115     $define{PL_OP_SLAB_ALLOC} = 1;
116 }
117
118 if ($define{USE_ITHREADS}) {
119     if (!$define{MULTIPLICITY}) {
120         $define{MULTIPLICITY} = 1;
121     }
122 }
123
124 $define{PERL_IMPLICIT_CONTEXT} ||=
125     $define{USE_ITHREADS} ||
126     $define{MULTIPLICITY} ;
127
128 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
129     $define{USE_REENTRANT_API} = 1;
130 }
131
132 # perl.h logic duplication ends
133
134 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
135      unless $ARGS{PLATFORM} eq 'test';
136
137 my $sym_ord = 0;
138 my %ordinal;
139
140 if ($ARGS{PLATFORM} eq 'os2') {
141     if (open my $fh, '<', 'perl5.def') {
142       while (<$fh>) {
143         last if /^\s*EXPORTS\b/;
144       }
145       while (<$fh>) {
146         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
147         # This allows skipping ordinals which were used in older versions
148         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
149       }
150       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
151     }
152 }
153
154 my %skip;
155 # All platforms export boot_DynaLoader unconditionally.
156 my %export = ( boot_DynaLoader => 1 );
157
158 sub try_symbols {
159     foreach my $symbol (@_) {
160         ++$export{$symbol} unless exists $skip{$symbol};
161     }
162 }
163
164 sub readvar {
165     # $hash is the hash that we're adding to. For one of our callers, it will
166     # actually be the skip hash but that doesn't affect the intent of what
167     # we're doing, as in that case we skip adding something to the skip hash
168     # for the second time.
169
170     my $file = $ARGS{TARG_DIR} . shift;
171     my $hash = shift;
172     my $proc = shift;
173     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
174
175     while (<$vars>) {
176         # All symbols have a Perl_ prefix because that's what embed.h sticks
177         # in front of them.  The A?I?S?C? is strictly speaking wrong.
178         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
179
180         my $var = "PL_$3";
181         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
182         ++$hash->{$symbol} unless exists $skip{$var};
183     }
184 }
185
186 if ($ARGS{PLATFORM} ne 'os2') {
187     ++$skip{$_} foreach qw(
188                      PL_cryptseen
189                      PL_opsave
190                      Perl_GetVars
191                      Perl_dump_fds
192                      Perl_my_bcopy
193                      Perl_my_bzero
194                      Perl_my_chsize
195                      Perl_my_htonl
196                      Perl_my_memcmp
197                      Perl_my_memset
198                      Perl_my_ntohl
199                      Perl_my_swap
200                          );
201     if ($ARGS{PLATFORM} eq 'vms') {
202         ++$skip{PL_statusvalue_posix};
203         # This is a wrapper if we have symlink, not a replacement
204         # if we don't.
205         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
206     } else {
207         ++$skip{PL_statusvalue_vms};
208         if ($ARGS{PLATFORM} ne 'aix') {
209             ++$skip{$_} foreach qw(
210                                 PL_DBcv
211                                 PL_generation
212                                 PL_lastgotoprobe
213                                 PL_modcount
214                                 PL_timesbuf
215                                 main
216                                  );
217         }
218     }
219 }
220
221 if ($ARGS{PLATFORM} ne 'vms') {
222     # VMS does its own thing for these symbols.
223     ++$skip{$_} foreach qw(
224                         PL_sig_handlers_initted
225                         PL_sig_ignoring
226                         PL_sig_defaulting
227                          );
228     if ($ARGS{PLATFORM} ne 'win32') {
229         ++$skip{$_} foreach qw(
230                             Perl_do_spawn
231                             Perl_do_spawn_nowait
232                             Perl_do_aspawn
233                              );
234     }
235 }
236
237 unless ($define{UNLINK_ALL_VERSIONS}) {
238     ++$skip{Perl_unlnk};
239 }
240
241 unless ($define{'DEBUGGING'}) {
242     ++$skip{$_} foreach qw(
243                     Perl_debop
244                     Perl_debprofdump
245                     Perl_debstack
246                     Perl_debstackptrs
247                     Perl_pad_sv
248                     Perl_pad_setsv
249                     Perl_hv_assert
250                     PL_block_type
251                     PL_watchaddr
252                     PL_watchok
253                     PL_watch_pvx
254                          );
255 }
256
257 if ($define{'PERL_IMPLICIT_SYS'}) {
258     ++$skip{$_} foreach qw(
259                     Perl_my_popen
260                     Perl_my_pclose
261                          );
262     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
263     ++$export{perl_clone_host} if $define{USE_ITHREADS};
264 }
265 else {
266     ++$skip{$_} foreach qw(
267                     PL_Mem
268                     PL_MemShared
269                     PL_MemParse
270                     PL_Env
271                     PL_StdIO
272                     PL_LIO
273                     PL_Dir
274                     PL_Sock
275                     PL_Proc
276                     perl_alloc_using
277                     perl_clone_using
278                          );
279 }
280
281 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
282     ++$skip{Perl_sv_setsv_cow};
283 }
284
285 unless ($define{'USE_REENTRANT_API'}) {
286     ++$skip{PL_reentrant_buffer};
287 }
288
289 if ($define{'MYMALLOC'}) {
290     try_symbols(qw(
291                     Perl_dump_mstats
292                     Perl_get_mstats
293                     Perl_strdup
294                     Perl_putenv
295                     MallocCfg_ptr
296                     MallocCfgP_ptr
297                     ));
298     unless ($define{USE_ITHREADS}) {
299         ++$skip{PL_malloc_mutex}
300     }
301 }
302 else {
303     ++$skip{$_} foreach qw(
304                     PL_malloc_mutex
305                     Perl_dump_mstats
306                     Perl_get_mstats
307                     MallocCfg_ptr
308                     MallocCfgP_ptr
309                          );
310 }
311
312 if ($define{'PERL_USE_SAFE_PUTENV'}) {
313     ++$skip{PL_use_safe_putenv};
314 }
315
316 unless ($define{'USE_ITHREADS'}) {
317     ++$skip{PL_thr_key};
318 }
319
320 # USE_5005THREADS symbols. Kept as reference for easier removal
321 ++$skip{$_} foreach qw(
322                     PL_sv_mutex
323                     PL_strtab_mutex
324                     PL_svref_mutex
325                     PL_cred_mutex
326                     PL_eval_mutex
327                     PL_fdpid_mutex
328                     PL_sv_lock_mutex
329                     PL_eval_cond
330                     PL_eval_owner
331                     PL_threads_mutex
332                     PL_nthreads
333                     PL_nthreads_cond
334                     PL_threadnum
335                     PL_threadsv_names
336                     PL_thrsv
337                     PL_vtbl_mutex
338                     Perl_condpair_magic
339                     Perl_new_struct_thread
340                     Perl_per_thread_magicals
341                     Perl_thread_create
342                     Perl_find_threadsv
343                     Perl_unlock_condpair
344                     Perl_magic_mutexfree
345                     Perl_sv_lock
346                      );
347
348 unless ($define{'USE_ITHREADS'}) {
349     ++$skip{$_} foreach qw(
350                     PL_op_mutex
351                     PL_regex_pad
352                     PL_regex_padav
353                     PL_dollarzero_mutex
354                     PL_hints_mutex
355                     PL_my_ctx_mutex
356                     PL_perlio_mutex
357                     Perl_clone_params_del
358                     Perl_clone_params_new
359                     Perl_parser_dup
360                     Perl_dirp_dup
361                     Perl_cx_dup
362                     Perl_si_dup
363                     Perl_any_dup
364                     Perl_ss_dup
365                     Perl_fp_dup
366                     Perl_gp_dup
367                     Perl_he_dup
368                     Perl_mg_dup
369                     Perl_re_dup_guts
370                     Perl_sv_dup
371                     Perl_sv_dup_inc
372                     Perl_rvpv_dup
373                     Perl_hek_dup
374                     Perl_sys_intern_dup
375                     perl_clone
376                     perl_clone_using
377                     Perl_stashpv_hvname_match
378                     Perl_regdupe_internal
379                     Perl_newPADOP
380                          );
381 }
382
383 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
384     ++$skip{$_} foreach qw(
385                     PL_my_cxt_index
386                     PL_my_cxt_list
387                     PL_my_cxt_size
388                     PL_my_cxt_keys
389                     Perl_croak_nocontext
390                     Perl_die_nocontext
391                     Perl_deb_nocontext
392                     Perl_form_nocontext
393                     Perl_load_module_nocontext
394                     Perl_mess_nocontext
395                     Perl_warn_nocontext
396                     Perl_warner_nocontext
397                     Perl_newSVpvf_nocontext
398                     Perl_sv_catpvf_nocontext
399                     Perl_sv_setpvf_nocontext
400                     Perl_sv_catpvf_mg_nocontext
401                     Perl_sv_setpvf_mg_nocontext
402                     Perl_my_cxt_init
403                     Perl_my_cxt_index
404                          );
405 }
406
407 unless ($define{'PL_OP_SLAB_ALLOC'}) {
408     ++$skip{$_} foreach qw(
409                      PL_OpPtr
410                      PL_OpSlab
411                      PL_OpSpace
412                      Perl_Slab_Alloc
413                      Perl_Slab_Free
414                          );
415 }
416
417 unless ($define{'PERL_DEBUG_READONLY_OPS'}) {
418     ++$skip{$_} foreach qw(
419                     PL_slab_count
420                     PL_slabs
421                          );
422 }
423
424 unless ($define{'THREADS_HAVE_PIDS'}) {
425     ++$skip{PL_ppid};
426 }
427
428 unless ($define{'PERL_NEED_APPCTX'}) {
429     ++$skip{PL_appctx};
430 }
431
432 unless ($define{'PERL_NEED_TIMESBASE'}) {
433     ++$skip{PL_timesbase};
434 }
435
436 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
437     ++$skip{PL_sv_serial};
438 }
439
440 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
441     ++$skip{PL_dumper_fd};
442 }
443
444 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
445     ++$skip{Perl_gv_SVadd};
446 }
447
448 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
449     ++$skip{Perl_my_sprintf};
450 }
451
452 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
453     ++$skip{PL_pidstatus};
454 }
455
456 unless ($define{'PERL_TRACK_MEMPOOL'}) {
457     ++$skip{PL_memory_debug_header};
458 }
459
460 unless ($define{PERL_MAD}) {
461     ++$skip{$_} foreach qw(
462                     PL_madskills
463                     PL_xmlfp
464                          );
465 }
466
467 unless ($define{'MULTIPLICITY'}) {
468     ++$skip{$_} foreach qw(
469                     PL_interp_size
470                     PL_interp_size_5_16_0
471                          );
472 }
473
474 unless ($define{'PERL_GLOBAL_STRUCT'}) {
475     ++$skip{PL_global_struct_size};
476 }
477
478 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
479     ++$skip{$_} foreach qw(
480                     PL_my_cxt_keys
481                     Perl_my_cxt_index
482                          );
483 }
484
485 unless ($define{HAS_MMAP}) {
486     ++$skip{PL_mmap_page_size};
487 }
488
489 if ($define{HAS_SIGACTION}) {
490     ++$skip{PL_sig_trapped};
491
492     if ($ARGS{PLATFORM} eq 'vms') {
493         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
494         ++$skip{PL_sig_ignoring};
495     }
496 }
497
498 unless ($define{USE_LOCALE_COLLATE}) {
499     ++$skip{$_} foreach qw(
500                     PL_collation_ix
501                     PL_collation_name
502                     PL_collation_standard
503                     PL_collxfrm_base
504                     PL_collxfrm_mult
505                     Perl_sv_collxfrm
506                     Perl_sv_collxfrm_flags
507                          );
508 }
509
510 unless ($define{USE_LOCALE_NUMERIC}) {
511     ++$skip{$_} foreach qw(
512                     PL_numeric_local
513                     PL_numeric_name
514                     PL_numeric_radix_sv
515                     PL_numeric_standard
516                          );
517 }
518
519 unless ($define{HAVE_INTERP_INTERN}) {
520     ++$skip{$_} foreach qw(
521                     Perl_sys_intern_clear
522                     Perl_sys_intern_dup
523                     Perl_sys_intern_init
524                     PL_sys_intern
525                          );
526 }
527
528 if ($define{HAS_SIGNBIT}) {
529     ++$skip{Perl_signbit};
530 }
531
532 if ($define{'PERL_GLOBAL_STRUCT'}) {
533     readvar('perlvars.h', \%skip);
534     # This seems like the least ugly way to cope with the fact that PL_sh_path
535     # is mentioned in perlvar.h and globvar.sym, and always exported.
536     delete $skip{PL_sh_path};
537     ++$export{Perl_GetVars};
538     try_symbols(qw(PL_Vars PL_VarsPtr)) unless $ARGS{CCTYPE} eq 'GCC';
539 } else {
540     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
541 }
542
543 # functions from *.sym files
544
545 my @syms = qw(globvar.sym);
546
547 # Symbols that are the public face of the PerlIO layers implementation
548 # These are in _addition to_ the public face of the abstraction
549 # and need to be exported to allow XS modules to implement layers
550 my @layer_syms = qw(
551                     PerlIOBase_binmode
552                     PerlIOBase_clearerr
553                     PerlIOBase_close
554                     PerlIOBase_dup
555                     PerlIOBase_eof
556                     PerlIOBase_error
557                     PerlIOBase_fileno
558                     PerlIOBase_open
559                     PerlIOBase_noop_fail
560                     PerlIOBase_noop_ok
561                     PerlIOBase_popped
562                     PerlIOBase_pushed
563                     PerlIOBase_read
564                     PerlIOBase_setlinebuf
565                     PerlIOBase_unread
566                     PerlIOBuf_bufsiz
567                     PerlIOBuf_close
568                     PerlIOBuf_dup
569                     PerlIOBuf_fill
570                     PerlIOBuf_flush
571                     PerlIOBuf_get_base
572                     PerlIOBuf_get_cnt
573                     PerlIOBuf_get_ptr
574                     PerlIOBuf_open
575                     PerlIOBuf_popped
576                     PerlIOBuf_pushed
577                     PerlIOBuf_read
578                     PerlIOBuf_seek
579                     PerlIOBuf_set_ptrcnt
580                     PerlIOBuf_tell
581                     PerlIOBuf_unread
582                     PerlIOBuf_write
583                     PerlIO_allocate
584                     PerlIO_apply_layera
585                     PerlIO_apply_layers
586                     PerlIO_arg_fetch
587                     PerlIO_debug
588                     PerlIO_define_layer
589                     PerlIO_find_layer
590                     PerlIO_isutf8
591                     PerlIO_layer_fetch
592                     PerlIO_list_alloc
593                     PerlIO_list_free
594                     PerlIO_modestr
595                     PerlIO_parse_layers
596                     PerlIO_pending
597                     PerlIO_perlio
598                     PerlIO_pop
599                     PerlIO_push
600                     PerlIO_sv_dup
601                     Perl_PerlIO_clearerr
602                     Perl_PerlIO_close
603                     Perl_PerlIO_context_layers
604                     Perl_PerlIO_eof
605                     Perl_PerlIO_error
606                     Perl_PerlIO_fileno
607                     Perl_PerlIO_fill
608                     Perl_PerlIO_flush
609                     Perl_PerlIO_get_base
610                     Perl_PerlIO_get_bufsiz
611                     Perl_PerlIO_get_cnt
612                     Perl_PerlIO_get_ptr
613                     Perl_PerlIO_read
614                     Perl_PerlIO_seek
615                     Perl_PerlIO_set_cnt
616                     Perl_PerlIO_set_ptrcnt
617                     Perl_PerlIO_setlinebuf
618                     Perl_PerlIO_stderr
619                     Perl_PerlIO_stdin
620                     Perl_PerlIO_stdout
621                     Perl_PerlIO_tell
622                     Perl_PerlIO_unread
623                     Perl_PerlIO_write
624 );
625 if ($ARGS{PLATFORM} eq 'netware') {
626     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
627 }
628
629 if ($define{'USE_PERLIO'}) {
630     # Export the symols that make up the PerlIO abstraction, regardless
631     # of its implementation - read from a file
632     push @syms, 'perlio.sym';
633
634     # This part is then dependent on how the abstraction is implemented
635     if ($define{'USE_SFIO'}) {
636         # Old legacy non-stdio "PerlIO"
637         ++$skip{$_} foreach @layer_syms;
638         ++$skip{perlsio_binmode};
639         # SFIO defines most of the PerlIO routines as macros
640         # So undo most of what $perlio_sym has just done - d'oh !
641         # Perhaps it would be better to list the ones which do exist
642         # And emit them
643         ++$skip{$_} foreach qw(
644                          PerlIO_canset_cnt
645                          PerlIO_clearerr
646                          PerlIO_close
647                          PerlIO_eof
648                          PerlIO_error
649                          PerlIO_exportFILE
650                          PerlIO_fast_gets
651                          PerlIO_fdopen
652                          PerlIO_fileno
653                          PerlIO_findFILE
654                          PerlIO_flush
655                          PerlIO_get_base
656                          PerlIO_get_bufsiz
657                          PerlIO_get_cnt
658                          PerlIO_get_ptr
659                          PerlIO_getc
660                          PerlIO_getname
661                          PerlIO_has_base
662                          PerlIO_has_cntptr
663                          PerlIO_importFILE
664                          PerlIO_open
665                          PerlIO_printf
666                          PerlIO_putc
667                          PerlIO_puts
668                          PerlIO_read
669                          PerlIO_releaseFILE
670                          PerlIO_reopen
671                          PerlIO_rewind
672                          PerlIO_seek
673                          PerlIO_set_cnt
674                          PerlIO_set_ptrcnt
675                          PerlIO_setlinebuf
676                          PerlIO_sprintf
677                          PerlIO_stderr
678                          PerlIO_stdin
679                          PerlIO_stdout
680                          PerlIO_stdoutf
681                          PerlIO_tell
682                          PerlIO_ungetc
683                          PerlIO_vprintf
684                          PerlIO_write
685                          PerlIO_perlio
686                          Perl_PerlIO_clearerr
687                          Perl_PerlIO_close
688                          Perl_PerlIO_eof
689                          Perl_PerlIO_error
690                          Perl_PerlIO_fileno
691                          Perl_PerlIO_fill
692                          Perl_PerlIO_flush
693                          Perl_PerlIO_get_base
694                          Perl_PerlIO_get_bufsiz
695                          Perl_PerlIO_get_cnt
696                          Perl_PerlIO_get_ptr
697                          Perl_PerlIO_read
698                          Perl_PerlIO_seek
699                          Perl_PerlIO_set_cnt
700                          Perl_PerlIO_set_ptrcnt
701                          Perl_PerlIO_setlinebuf
702                          Perl_PerlIO_stderr
703                          Perl_PerlIO_stdin
704                          Perl_PerlIO_stdout
705                          Perl_PerlIO_tell
706                          Perl_PerlIO_unread
707                          Perl_PerlIO_write
708                          PL_def_layerlist
709                          PL_known_layers
710                          PL_perlio
711                              );
712     }
713     else {
714         # PerlIO with layers - export implementation
715         try_symbols(@layer_syms, 'perlsio_binmode');
716     }
717 } else {
718         # -Uuseperlio
719         # Skip the PerlIO layer symbols - although
720         # nothing should have exported them anyway.
721         ++$skip{$_} foreach @layer_syms;
722         ++$skip{$_} foreach qw(
723                         perlsio_binmode
724                         PL_def_layerlist
725                         PL_known_layers
726                         PL_perlio
727                         PL_perlio_debug_fd
728                         PL_perlio_fd_refcnt
729                         PL_perlio_fd_refcnt_size
730                         PL_perlio_mutex
731                              );
732
733         # Also do NOT add abstraction symbols from $perlio_sym
734         # abstraction is done as #define to stdio
735         # Remaining remnants that _may_ be functions are handled below.
736 }
737
738 ###############################################################################
739
740 # At this point all skip lists should be completed, as we are about to test
741 # many symbols against them.
742
743 {
744     my %seen;
745     my ($embed) = setup_embed($ARGS{TARG_DIR});
746
747     foreach (@$embed) {
748         my ($flags, $retval, $func, @args) = @$_;
749         next unless $func;
750         if ($flags =~ /[AX]/ && $flags !~ /[xm]/ || $flags =~ /b/) {
751             # public API, so export
752
753             # If a function is defined twice, for example before and after
754             # an #else, only export its name once. Important to do this test
755             # within the block, as the *first* definition may have flags which
756             # mean "don't export"
757             next if $seen{$func}++;
758             $func = "Perl_$func" if $flags =~ /[pbX]/;
759             ++$export{$func} unless exists $skip{$func};
760         }
761     }
762 }
763
764 foreach (@syms) {
765     my $syms = $ARGS{TARG_DIR} . $_;
766     open my $global, '<', $syms or die "failed to open $syms: $!\n";
767     # Functions already have a Perl_ prefix
768     # Variables need a PL_ prefix
769     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
770     while (<$global>) {
771         next unless /^([A-Za-z].*)/;
772         my $symbol = "$prefix$1";
773         ++$export{$symbol} unless exists $skip{$symbol};
774     }
775 }
776
777 # variables
778
779 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
780     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
781     # XXX AIX seems to want the perlvars.h symbols, for some reason
782     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
783         readvar('perlvars.h', \%export);
784     }
785 }
786 else {
787     unless ($define{'PERL_GLOBAL_STRUCT'}) {
788         readvar('perlvars.h', \%export);
789     }
790     unless ($define{MULTIPLICITY}) {
791         readvar('intrpvar.h', \%export);
792     }
793 }
794
795 # Oddities from PerlIO
796 # All have alternate implementations in perlio.c, so always exist.
797 # Should they be considered to be part of the API?
798 try_symbols(qw(
799                     PerlIO_binmode
800                     PerlIO_getpos
801                     PerlIO_init
802                     PerlIO_setpos
803                     PerlIO_sprintf
804                     PerlIO_tmpfile
805                     PerlIO_vsprintf
806              ));
807
808 if ($ARGS{PLATFORM} eq 'win32') {
809     try_symbols(qw(
810                                  setgid
811                                  setuid
812                                  win32_free_childdir
813                                  win32_free_childenv
814                                  win32_get_childdir
815                                  win32_get_childenv
816                                  win32_spawnvp
817                  ));
818 }
819
820 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
821     try_symbols(qw(
822                             Perl_init_os_extras
823                             Perl_thread_create
824                             Perl_win32_init
825                             Perl_win32_term
826                             RunPerl
827                             win32_async_check
828                             win32_errno
829                             win32_environ
830                             win32_abort
831                             win32_fstat
832                             win32_stat
833                             win32_pipe
834                             win32_popen
835                             win32_pclose
836                             win32_rename
837                             win32_setmode
838                             win32_chsize
839                             win32_lseek
840                             win32_tell
841                             win32_dup
842                             win32_dup2
843                             win32_open
844                             win32_close
845                             win32_eof
846                             win32_isatty
847                             win32_read
848                             win32_write
849                             win32_mkdir
850                             win32_rmdir
851                             win32_chdir
852                             win32_flock
853                             win32_execv
854                             win32_execvp
855                             win32_htons
856                             win32_ntohs
857                             win32_htonl
858                             win32_ntohl
859                             win32_inet_addr
860                             win32_inet_ntoa
861                             win32_socket
862                             win32_bind
863                             win32_listen
864                             win32_accept
865                             win32_connect
866                             win32_send
867                             win32_sendto
868                             win32_recv
869                             win32_recvfrom
870                             win32_shutdown
871                             win32_closesocket
872                             win32_ioctlsocket
873                             win32_setsockopt
874                             win32_getsockopt
875                             win32_getpeername
876                             win32_getsockname
877                             win32_gethostname
878                             win32_gethostbyname
879                             win32_gethostbyaddr
880                             win32_getprotobyname
881                             win32_getprotobynumber
882                             win32_getservbyname
883                             win32_getservbyport
884                             win32_select
885                             win32_endhostent
886                             win32_endnetent
887                             win32_endprotoent
888                             win32_endservent
889                             win32_getnetent
890                             win32_getnetbyname
891                             win32_getnetbyaddr
892                             win32_getprotoent
893                             win32_getservent
894                             win32_sethostent
895                             win32_setnetent
896                             win32_setprotoent
897                             win32_setservent
898                             win32_getenv
899                             win32_putenv
900                             win32_perror
901                             win32_malloc
902                             win32_calloc
903                             win32_realloc
904                             win32_free
905                             win32_sleep
906                             win32_times
907                             win32_access
908                             win32_alarm
909                             win32_chmod
910                             win32_open_osfhandle
911                             win32_get_osfhandle
912                             win32_ioctl
913                             win32_link
914                             win32_unlink
915                             win32_utime
916                             win32_gettimeofday
917                             win32_uname
918                             win32_wait
919                             win32_waitpid
920                             win32_kill
921                             win32_str_os_error
922                             win32_opendir
923                             win32_readdir
924                             win32_telldir
925                             win32_seekdir
926                             win32_rewinddir
927                             win32_closedir
928                             win32_longpath
929                             win32_ansipath
930                             win32_os_id
931                             win32_getpid
932                             win32_crypt
933                             win32_dynaload
934                             win32_clearenv
935                             win32_stdin
936                             win32_stdout
937                             win32_stderr
938                             win32_ferror
939                             win32_feof
940                             win32_strerror
941                             win32_fprintf
942                             win32_printf
943                             win32_vfprintf
944                             win32_vprintf
945                             win32_fread
946                             win32_fwrite
947                             win32_fopen
948                             win32_fdopen
949                             win32_freopen
950                             win32_fclose
951                             win32_fputs
952                             win32_fputc
953                             win32_ungetc
954                             win32_getc
955                             win32_fileno
956                             win32_clearerr
957                             win32_fflush
958                             win32_ftell
959                             win32_fseek
960                             win32_fgetpos
961                             win32_fsetpos
962                             win32_rewind
963                             win32_tmpfile
964                             win32_setbuf
965                             win32_setvbuf
966                             win32_flushall
967                             win32_fcloseall
968                             win32_fgets
969                             win32_gets
970                             win32_fgetc
971                             win32_putc
972                             win32_puts
973                             win32_getchar
974                             win32_putchar
975                  ));
976 }
977 elsif ($ARGS{PLATFORM} eq 'vms') {
978     try_symbols(qw(
979                       Perl_cando
980                       Perl_cando_by_name
981                       Perl_closedir
982                       Perl_csighandler_init
983                       Perl_do_rmdir
984                       Perl_fileify_dirspec
985                       Perl_fileify_dirspec_ts
986                       Perl_fileify_dirspec_utf8
987                       Perl_fileify_dirspec_utf8_ts
988                       Perl_flex_fstat
989                       Perl_flex_lstat
990                       Perl_flex_stat
991                       Perl_kill_file
992                       Perl_my_chdir
993                       Perl_my_chmod
994                       Perl_my_crypt
995                       Perl_my_endpwent
996                       Perl_my_fclose
997                       Perl_my_fdopen
998                       Perl_my_fgetname
999                       Perl_my_flush
1000                       Perl_my_fwrite
1001                       Perl_my_gconvert
1002                       Perl_my_getenv
1003                       Perl_my_getenv_len
1004                       Perl_my_getlogin
1005                       Perl_my_getpwnam
1006                       Perl_my_getpwuid
1007                       Perl_my_gmtime
1008                       Perl_my_kill
1009                       Perl_my_localtime
1010                       Perl_my_mkdir
1011                       Perl_my_sigaction
1012                       Perl_my_symlink
1013                       Perl_my_time
1014                       Perl_my_tmpfile
1015                       Perl_my_trnlnm
1016                       Perl_my_utime
1017                       Perl_my_waitpid
1018                       Perl_opendir
1019                       Perl_pathify_dirspec
1020                       Perl_pathify_dirspec_ts
1021                       Perl_pathify_dirspec_utf8
1022                       Perl_pathify_dirspec_utf8_ts
1023                       Perl_readdir
1024                       Perl_readdir_r
1025                       Perl_rename
1026                       Perl_rmscopy
1027                       Perl_rmsexpand
1028                       Perl_rmsexpand_ts
1029                       Perl_rmsexpand_utf8
1030                       Perl_rmsexpand_utf8_ts
1031                       Perl_seekdir
1032                       Perl_sig_to_vmscondition
1033                       Perl_telldir
1034                       Perl_tounixpath
1035                       Perl_tounixpath_ts
1036                       Perl_tounixpath_utf8
1037                       Perl_tounixpath_utf8_ts
1038                       Perl_tounixspec
1039                       Perl_tounixspec_ts
1040                       Perl_tounixspec_utf8
1041                       Perl_tounixspec_utf8_ts
1042                       Perl_tovmspath
1043                       Perl_tovmspath_ts
1044                       Perl_tovmspath_utf8
1045                       Perl_tovmspath_utf8_ts
1046                       Perl_tovmsspec
1047                       Perl_tovmsspec_ts
1048                       Perl_tovmsspec_utf8
1049                       Perl_tovmsspec_utf8_ts
1050                       Perl_trim_unixpath
1051                       Perl_vms_case_tolerant
1052                       Perl_vms_do_aexec
1053                       Perl_vms_do_exec
1054                       Perl_vms_image_init
1055                       Perl_vms_realpath
1056                       Perl_vmssetenv
1057                       Perl_vmssetuserlnm
1058                       Perl_vmstrnenv
1059                       PerlIO_openn
1060                  ));
1061 }
1062 elsif ($ARGS{PLATFORM} eq 'os2') {
1063     try_symbols(qw(
1064                       ctermid
1065                       get_sysinfo
1066                       Perl_OS2_init
1067                       Perl_OS2_init3
1068                       Perl_OS2_term
1069                       OS2_Perl_data
1070                       dlopen
1071                       dlsym
1072                       dlerror
1073                       dlclose
1074                       dup2
1075                       dup
1076                       my_tmpfile
1077                       my_tmpnam
1078                       my_flock
1079                       my_rmdir
1080                       my_mkdir
1081                       my_getpwuid
1082                       my_getpwnam
1083                       my_getpwent
1084                       my_setpwent
1085                       my_endpwent
1086                       fork_with_resources
1087                       croak_with_os2error
1088                       setgrent
1089                       endgrent
1090                       getgrent
1091                       malloc_mutex
1092                       threads_mutex
1093                       nthreads
1094                       nthreads_cond
1095                       os2_cond_wait
1096                       os2_stat
1097                       os2_execname
1098                       async_mssleep
1099                       msCounter
1100                       InfoTable
1101                       pthread_join
1102                       pthread_create
1103                       pthread_detach
1104                       XS_Cwd_change_drive
1105                       XS_Cwd_current_drive
1106                       XS_Cwd_extLibpath
1107                       XS_Cwd_extLibpath_set
1108                       XS_Cwd_sys_abspath
1109                       XS_Cwd_sys_chdir
1110                       XS_Cwd_sys_cwd
1111                       XS_Cwd_sys_is_absolute
1112                       XS_Cwd_sys_is_relative
1113                       XS_Cwd_sys_is_rooted
1114                       XS_DynaLoader_mod2fname
1115                       XS_File__Copy_syscopy
1116                       Perl_Register_MQ
1117                       Perl_Deregister_MQ
1118                       Perl_Serve_Messages
1119                       Perl_Process_Messages
1120                       init_PMWIN_entries
1121                       PMWIN_entries
1122                       Perl_hab_GET
1123                       loadByOrdinal
1124                       pExtFCN
1125                       os2error
1126                       ResetWinError
1127                       CroakWinError
1128                       PL_do_undump
1129                  ));
1130 }
1131 elsif ($ARGS{PLATFORM} eq 'netware') {
1132     try_symbols(qw(
1133                         Perl_init_os_extras
1134                         Perl_thread_create
1135                         Perl_nw5_init
1136                         RunPerl
1137                         AllocStdPerl
1138                         FreeStdPerl
1139                         do_spawn2
1140                         do_aspawn
1141                         nw_uname
1142                         nw_stdin
1143                         nw_stdout
1144                         nw_stderr
1145                         nw_feof
1146                         nw_ferror
1147                         nw_fopen
1148                         nw_fclose
1149                         nw_clearerr
1150                         nw_getc
1151                         nw_fgets
1152                         nw_fputc
1153                         nw_fputs
1154                         nw_fflush
1155                         nw_ungetc
1156                         nw_fileno
1157                         nw_fdopen
1158                         nw_freopen
1159                         nw_fread
1160                         nw_fwrite
1161                         nw_setbuf
1162                         nw_setvbuf
1163                         nw_vfprintf
1164                         nw_ftell
1165                         nw_fseek
1166                         nw_rewind
1167                         nw_tmpfile
1168                         nw_fgetpos
1169                         nw_fsetpos
1170                         nw_dup
1171                         nw_access
1172                         nw_chmod
1173                         nw_chsize
1174                         nw_close
1175                         nw_dup2
1176                         nw_flock
1177                         nw_isatty
1178                         nw_link
1179                         nw_lseek
1180                         nw_stat
1181                         nw_mktemp
1182                         nw_open
1183                         nw_read
1184                         nw_rename
1185                         nw_setmode
1186                         nw_unlink
1187                         nw_utime
1188                         nw_write
1189                         nw_chdir
1190                         nw_rmdir
1191                         nw_closedir
1192                         nw_opendir
1193                         nw_readdir
1194                         nw_rewinddir
1195                         nw_seekdir
1196                         nw_telldir
1197                         nw_htonl
1198                         nw_htons
1199                         nw_ntohl
1200                         nw_ntohs
1201                         nw_accept
1202                         nw_bind
1203                         nw_connect
1204                         nw_endhostent
1205                         nw_endnetent
1206                         nw_endprotoent
1207                         nw_endservent
1208                         nw_gethostbyaddr
1209                         nw_gethostbyname
1210                         nw_gethostent
1211                         nw_gethostname
1212                         nw_getnetbyaddr
1213                         nw_getnetbyname
1214                         nw_getnetent
1215                         nw_getpeername
1216                         nw_getprotobyname
1217                         nw_getprotobynumber
1218                         nw_getprotoent
1219                         nw_getservbyname
1220                         nw_getservbyport
1221                         nw_getservent
1222                         nw_getsockname
1223                         nw_getsockopt
1224                         nw_inet_addr
1225                         nw_listen
1226                         nw_socket
1227                         nw_recv
1228                         nw_recvfrom
1229                         nw_select
1230                         nw_send
1231                         nw_sendto
1232                         nw_sethostent
1233                         nw_setnetent
1234                         nw_setprotoent
1235                         nw_setservent
1236                         nw_setsockopt
1237                         nw_inet_ntoa
1238                         nw_shutdown
1239                         nw_crypt
1240                         nw_execvp
1241                         nw_kill
1242                         nw_Popen
1243                         nw_Pclose
1244                         nw_Pipe
1245                         nw_times
1246                         nw_waitpid
1247                         nw_getpid
1248                         nw_spawnvp
1249                         nw_os_id
1250                         nw_open_osfhandle
1251                         nw_get_osfhandle
1252                         nw_abort
1253                         nw_sleep
1254                         nw_wait
1255                         nw_dynaload
1256                         nw_strerror
1257                         fnFpSetMode
1258                         fnInsertHashListAddrs
1259                         fnGetHashListAddrs
1260                         Perl_deb
1261                         Perl_sv_setsv
1262                         Perl_sv_catsv
1263                         Perl_sv_catpvn
1264                         Perl_sv_2pv
1265                         nw_freeenviron
1266                         Remove_Thread_Ctx
1267                  ));
1268 }
1269
1270 # When added this code was only run for Win32 and WinCE
1271 # Currently only Win32 links static extensions into the shared library.
1272 # The WinCE makefile doesn't appear to support static extensions, so this code
1273 # can't have any effect there.
1274 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1275 # list of dynamic extensions, and the rules to build them)
1276 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1277 # static extensions with -fPIC, but links them to perl, not libperl.so
1278 # The VMS build scripts don't yet implement static extensions at all.
1279
1280 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1281     # records of type boot_module for statically linked modules (except Dynaloader)
1282     my $static_ext = $Config{static_ext} // "";
1283     $static_ext =~ s/\//__/g;
1284     $static_ext =~ s/\bDynaLoader\b//;
1285     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1286     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1287 }
1288
1289 if ($ARGS{PLATFORM} eq 'os2') {
1290     my (%mapped, @missing);
1291     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1292     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1293     close MAP or die 'Cannot close miniperl.map';
1294
1295     @missing = grep { !exists $mapped{$_} }
1296                     keys %export;
1297     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1298     delete $export{$_} foreach @missing;
1299 }
1300
1301 ###############################################################################
1302
1303 # Now all symbols should be defined because next we are going to output them.
1304
1305 # Start with platform specific headers:
1306
1307 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1308     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1309         : "perl$Config{api_revision}$Config{api_version}";
1310     print "LIBRARY $dll\n";
1311     # The DESCRIPTION module definition file statement is not supported
1312     # by VC7 onwards.
1313     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1314         print "DESCRIPTION 'Perl interpreter'\n";
1315     }
1316     print "EXPORTS\n";
1317 }
1318 elsif ($ARGS{PLATFORM} eq 'os2') {
1319     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1320     $v .= '-thread' if $Config{archname} =~ /-thread/;
1321     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1322     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1323     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1324     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1325     print <<"---EOP---";
1326 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1327 $d
1328 STACKSIZE 32768
1329 CODE LOADONCALL
1330 DATA LOADONCALL NONSHARED MULTIPLE
1331 EXPORTS
1332 ---EOP---
1333 }
1334 elsif ($ARGS{PLATFORM} eq 'aix') {
1335     my $OSVER = `uname -v`;
1336     chop $OSVER;
1337     my $OSREL = `uname -r`;
1338     chop $OSREL;
1339     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1340         print "#! ..\n";
1341     } else {
1342         print "#!\n";
1343     }
1344 }
1345 elsif ($ARGS{PLATFORM} eq 'netware') {
1346         if ($ARGS{FILETYPE} eq 'def') {
1347         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1348         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1349         print "EXPORTS\n";
1350         }
1351 }
1352
1353 # Then the symbols
1354
1355 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1356 foreach my $symbol (@symbols) {
1357     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1358         print "\t$symbol\n";
1359     }
1360     elsif ($ARGS{PLATFORM} eq 'os2') {
1361         printf qq(    %-31s \@%s\n),
1362           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1363         printf qq(    %-31s \@%s\n),
1364           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1365           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1366           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1367     }
1368     elsif ($ARGS{PLATFORM} eq 'netware') {
1369         print "\t$symbol,\n";
1370     } else {
1371         print "$symbol\n";
1372     }
1373 }
1374
1375 # Then platform specific footers.
1376
1377 if ($ARGS{PLATFORM} eq 'os2') {
1378     print <<EOP;
1379     dll_perlmain=main
1380     fill_extLibpath
1381     dir_subst
1382     Perl_OS2_handler_install
1383
1384 ; LAST_ORDINAL=$sym_ord
1385 EOP
1386 }
1387
1388 1;