perl.h: Comment was mistakenly passed to the preprocessor
[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     && $ARGS{PLATFORM} ne 'netware';
80
81 # Add the compile-time options that miniperl was built with to %define.
82 # On Win32 these are not the same options as perl itself will be built
83 # with since miniperl is built with a canned config (one of the win32/
84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
85 # but they do include some #define's that are hard-coded in various
86 # source files and header files and don't include any BUILDOPT's that
87 # the user might have chosen to disable because the canned configs are
88 # minimal configs that don't include any of those options.
89
90 #don't use the host Perl's -V defines for the WinCE Perl
91 if($ARGS{PLATFORM} ne 'wince') {
92     my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
93     print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
94     $define{$_} = 1 foreach @options;
95 }
96
97 my %exportperlmalloc =
98     (
99        Perl_malloc              =>      "malloc",
100        Perl_mfree               =>      "free",
101        Perl_realloc             =>      "realloc",
102        Perl_calloc              =>      "calloc",
103     );
104
105 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
106
107 my $config_h = $ARGS{PLATFORM} eq 'wince' ? 'xconfig.h' : 'config.h';
108 open(CFG, '<', $config_h) || die "Cannot open $config_h: $!\n";
109 while (<CFG>) {
110     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
111                                            |SPRINTF_RETURNS_STRLEN
112                                            |KILL_BY_SIGPRC
113                                            |(?:PERL|USE|HAS)_\w+)\b/x;
114 }
115 close(CFG);
116
117 # perl.h logic duplication begins
118
119 if ($define{USE_ITHREADS}) {
120     if (!$define{MULTIPLICITY}) {
121         $define{MULTIPLICITY} = 1;
122     }
123 }
124
125 $define{PERL_IMPLICIT_CONTEXT} ||=
126     $define{USE_ITHREADS} ||
127     $define{MULTIPLICITY} ;
128
129 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
130     $define{USE_REENTRANT_API} = 1;
131 }
132
133 # perl.h logic duplication ends
134
135 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
136      unless $ARGS{PLATFORM} eq 'test';
137
138 my $sym_ord = 0;
139 my %ordinal;
140
141 if ($ARGS{PLATFORM} eq 'os2') {
142     if (open my $fh, '<', 'perl5.def') {
143       while (<$fh>) {
144         last if /^\s*EXPORTS\b/;
145       }
146       while (<$fh>) {
147         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
148         # This allows skipping ordinals which were used in older versions
149         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
150       }
151       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
152     }
153 }
154
155 my %skip;
156 # All platforms export boot_DynaLoader unconditionally.
157 my %export = ( boot_DynaLoader => 1 );
158
159 sub try_symbols {
160     foreach my $symbol (@_) {
161         ++$export{$symbol} unless exists $skip{$symbol};
162     }
163 }
164
165 sub readvar {
166     # $hash is the hash that we're adding to. For one of our callers, it will
167     # actually be the skip hash but that doesn't affect the intent of what
168     # we're doing, as in that case we skip adding something to the skip hash
169     # for the second time.
170
171     my $file = $ARGS{TARG_DIR} . shift;
172     my $hash = shift;
173     my $proc = shift;
174     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
175
176     while (<$vars>) {
177         # All symbols have a Perl_ prefix because that's what embed.h sticks
178         # in front of them.  The A?I?S?C? is strictly speaking wrong.
179         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
180
181         my $var = "PL_$3";
182         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
183         ++$hash->{$symbol} unless exists $skip{$var};
184     }
185 }
186
187 if ($ARGS{PLATFORM} ne 'os2') {
188     ++$skip{$_} foreach qw(
189                      PL_cryptseen
190                      PL_opsave
191                      Perl_GetVars
192                      Perl_dump_fds
193                      Perl_my_bcopy
194                      Perl_my_bzero
195                      Perl_my_chsize
196                      Perl_my_htonl
197                      Perl_my_memcmp
198                      Perl_my_memset
199                      Perl_my_ntohl
200                      Perl_my_swap
201                          );
202     if ($ARGS{PLATFORM} eq 'vms') {
203         ++$skip{PL_statusvalue_posix};
204         # This is a wrapper if we have symlink, not a replacement
205         # if we don't.
206         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
207     } else {
208         ++$skip{PL_statusvalue_vms};
209         if ($ARGS{PLATFORM} ne 'aix') {
210             ++$skip{$_} foreach qw(
211                                 PL_DBcv
212                                 PL_generation
213                                 PL_lastgotoprobe
214                                 PL_modcount
215                                 PL_timesbuf
216                                 main
217                                  );
218         }
219     }
220 }
221
222 if ($ARGS{PLATFORM} ne 'vms') {
223     # VMS does its own thing for these symbols.
224     ++$skip{$_} foreach qw(
225                         PL_sig_handlers_initted
226                         PL_sig_ignoring
227                         PL_sig_defaulting
228                          );
229     if ($ARGS{PLATFORM} ne 'win32') {
230         ++$skip{$_} foreach qw(
231                             Perl_do_spawn
232                             Perl_do_spawn_nowait
233                             Perl_do_aspawn
234                              );
235     }
236 }
237
238 unless ($define{UNLINK_ALL_VERSIONS}) {
239     ++$skip{Perl_unlnk};
240 }
241
242 unless ($define{'DEBUGGING'}) {
243     ++$skip{$_} foreach qw(
244                     Perl_debop
245                     Perl_debprofdump
246                     Perl_debstack
247                     Perl_debstackptrs
248                     Perl_pad_sv
249                     Perl_pad_setsv
250                     Perl_hv_assert
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      || $define{'PERL_NEW_COPY_ON_WRITE'}) {
283     ++$skip{Perl_sv_setsv_cow};
284 }
285
286 unless ($define{PERL_SAWAMPERSAND}) {
287     ++$skip{PL_sawampersand};
288 }
289
290 unless ($define{'USE_REENTRANT_API'}) {
291     ++$skip{PL_reentrant_buffer};
292 }
293
294 if ($define{'MYMALLOC'}) {
295     try_symbols(qw(
296                     Perl_dump_mstats
297                     Perl_get_mstats
298                     Perl_strdup
299                     Perl_putenv
300                     MallocCfg_ptr
301                     MallocCfgP_ptr
302                     ));
303     unless ($define{USE_ITHREADS}) {
304         ++$skip{PL_malloc_mutex}
305     }
306 }
307 else {
308     ++$skip{$_} foreach qw(
309                     PL_malloc_mutex
310                     Perl_dump_mstats
311                     Perl_get_mstats
312                     MallocCfg_ptr
313                     MallocCfgP_ptr
314                          );
315 }
316
317 if ($define{'PERL_USE_SAFE_PUTENV'}) {
318     ++$skip{PL_use_safe_putenv};
319 }
320
321 unless ($define{'USE_ITHREADS'}) {
322     ++$skip{PL_thr_key};
323 }
324
325 # USE_5005THREADS symbols. Kept as reference for easier removal
326 ++$skip{$_} foreach qw(
327                     PL_sv_mutex
328                     PL_strtab_mutex
329                     PL_svref_mutex
330                     PL_cred_mutex
331                     PL_eval_mutex
332                     PL_fdpid_mutex
333                     PL_sv_lock_mutex
334                     PL_eval_cond
335                     PL_eval_owner
336                     PL_threads_mutex
337                     PL_nthreads
338                     PL_nthreads_cond
339                     PL_threadnum
340                     PL_threadsv_names
341                     PL_thrsv
342                     PL_vtbl_mutex
343                     Perl_condpair_magic
344                     Perl_new_struct_thread
345                     Perl_per_thread_magicals
346                     Perl_thread_create
347                     Perl_find_threadsv
348                     Perl_unlock_condpair
349                     Perl_magic_mutexfree
350                     Perl_sv_lock
351                      );
352
353 unless ($define{'USE_ITHREADS'}) {
354     ++$skip{$_} foreach qw(
355                     PL_check_mutex
356                     PL_op_mutex
357                     PL_regex_pad
358                     PL_regex_padav
359                     PL_dollarzero_mutex
360                     PL_hints_mutex
361                     PL_my_ctx_mutex
362                     PL_perlio_mutex
363                     PL_stashpad
364                     PL_stashpadix
365                     PL_stashpadmax
366                     Perl_alloccopstash
367                     Perl_allocfilegv
368                     Perl_clone_params_del
369                     Perl_clone_params_new
370                     Perl_parser_dup
371                     Perl_dirp_dup
372                     Perl_cx_dup
373                     Perl_si_dup
374                     Perl_any_dup
375                     Perl_ss_dup
376                     Perl_fp_dup
377                     Perl_gp_dup
378                     Perl_he_dup
379                     Perl_mg_dup
380                     Perl_re_dup_guts
381                     Perl_sv_dup
382                     Perl_sv_dup_inc
383                     Perl_rvpv_dup
384                     Perl_hek_dup
385                     Perl_sys_intern_dup
386                     perl_clone
387                     perl_clone_using
388                     Perl_stashpv_hvname_match
389                     Perl_regdupe_internal
390                     Perl_newPADOP
391                          );
392 }
393
394 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
395     ++$skip{$_} foreach qw(
396                     PL_my_cxt_index
397                     PL_my_cxt_list
398                     PL_my_cxt_size
399                     PL_my_cxt_keys
400                     Perl_croak_nocontext
401                     Perl_die_nocontext
402                     Perl_deb_nocontext
403                     Perl_form_nocontext
404                     Perl_load_module_nocontext
405                     Perl_mess_nocontext
406                     Perl_warn_nocontext
407                     Perl_warner_nocontext
408                     Perl_newSVpvf_nocontext
409                     Perl_sv_catpvf_nocontext
410                     Perl_sv_setpvf_nocontext
411                     Perl_sv_catpvf_mg_nocontext
412                     Perl_sv_setpvf_mg_nocontext
413                     Perl_my_cxt_init
414                     Perl_my_cxt_index
415                          );
416 }
417
418 unless ($define{'PERL_NEED_APPCTX'}) {
419     ++$skip{PL_appctx};
420 }
421
422 unless ($define{'PERL_NEED_TIMESBASE'}) {
423     ++$skip{PL_timesbase};
424 }
425
426 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
427     ++$skip{PL_sv_serial};
428 }
429
430 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
431     ++$skip{PL_dumper_fd};
432 }
433
434 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
435     ++$skip{Perl_gv_SVadd};
436 }
437
438 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
439     ++$skip{Perl_my_sprintf};
440 }
441
442 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
443     ++$skip{PL_pidstatus};
444 }
445
446 unless ($define{'PERL_TRACK_MEMPOOL'}) {
447     ++$skip{PL_memory_debug_header};
448 }
449
450 unless ($define{PERL_MAD}) {
451     ++$skip{$_} foreach qw(
452                     PL_madskills
453                     PL_xmlfp
454                          );
455 }
456
457 unless ($define{'MULTIPLICITY'}) {
458     ++$skip{$_} foreach qw(
459                     PL_interp_size
460                     PL_interp_size_5_18_0
461                          );
462 }
463
464 unless ($define{'PERL_GLOBAL_STRUCT'}) {
465     ++$skip{PL_global_struct_size};
466 }
467
468 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
469     ++$skip{$_} foreach qw(
470                     PL_my_cxt_keys
471                     Perl_my_cxt_index
472                          );
473 }
474
475 unless ($define{HAS_MMAP}) {
476     ++$skip{PL_mmap_page_size};
477 }
478
479 if ($define{HAS_SIGACTION}) {
480     ++$skip{PL_sig_trapped};
481
482     if ($ARGS{PLATFORM} eq 'vms') {
483         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
484         ++$skip{PL_sig_ignoring};
485         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
486     }
487 }
488
489 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
490     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
491     ++$skip{Perl_csighandler_init};
492     ++$skip{Perl_my_kill};
493     ++$skip{Perl_sig_to_vmscondition};
494     ++$skip{PL_sig_defaulting};
495     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
496 }
497
498 unless ($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))
539       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
540 } else {
541     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
542 }
543
544 ++$skip{PL_op_exec_cnt}
545     unless $define{PERL_TRACE_OPS};
546
547 # functions from *.sym files
548
549 my @syms = qw(globvar.sym);
550
551 # Symbols that are the public face of the PerlIO layers implementation
552 # These are in _addition to_ the public face of the abstraction
553 # and need to be exported to allow XS modules to implement layers
554 my @layer_syms = qw(
555                     PerlIOBase_binmode
556                     PerlIOBase_clearerr
557                     PerlIOBase_close
558                     PerlIOBase_dup
559                     PerlIOBase_eof
560                     PerlIOBase_error
561                     PerlIOBase_fileno
562                     PerlIOBase_open
563                     PerlIOBase_noop_fail
564                     PerlIOBase_noop_ok
565                     PerlIOBase_popped
566                     PerlIOBase_pushed
567                     PerlIOBase_read
568                     PerlIOBase_setlinebuf
569                     PerlIOBase_unread
570                     PerlIOBuf_bufsiz
571                     PerlIOBuf_close
572                     PerlIOBuf_dup
573                     PerlIOBuf_fill
574                     PerlIOBuf_flush
575                     PerlIOBuf_get_base
576                     PerlIOBuf_get_cnt
577                     PerlIOBuf_get_ptr
578                     PerlIOBuf_open
579                     PerlIOBuf_popped
580                     PerlIOBuf_pushed
581                     PerlIOBuf_read
582                     PerlIOBuf_seek
583                     PerlIOBuf_set_ptrcnt
584                     PerlIOBuf_tell
585                     PerlIOBuf_unread
586                     PerlIOBuf_write
587                     PerlIO_allocate
588                     PerlIO_apply_layera
589                     PerlIO_apply_layers
590                     PerlIO_arg_fetch
591                     PerlIO_debug
592                     PerlIO_define_layer
593                     PerlIO_find_layer
594                     PerlIO_isutf8
595                     PerlIO_layer_fetch
596                     PerlIO_list_alloc
597                     PerlIO_list_free
598                     PerlIO_modestr
599                     PerlIO_parse_layers
600                     PerlIO_pending
601                     PerlIO_perlio
602                     PerlIO_pop
603                     PerlIO_push
604                     PerlIO_sv_dup
605                     Perl_PerlIO_clearerr
606                     Perl_PerlIO_close
607                     Perl_PerlIO_context_layers
608                     Perl_PerlIO_eof
609                     Perl_PerlIO_error
610                     Perl_PerlIO_fileno
611                     Perl_PerlIO_fill
612                     Perl_PerlIO_flush
613                     Perl_PerlIO_get_base
614                     Perl_PerlIO_get_bufsiz
615                     Perl_PerlIO_get_cnt
616                     Perl_PerlIO_get_ptr
617                     Perl_PerlIO_read
618                     Perl_PerlIO_seek
619                     Perl_PerlIO_set_cnt
620                     Perl_PerlIO_set_ptrcnt
621                     Perl_PerlIO_setlinebuf
622                     Perl_PerlIO_stderr
623                     Perl_PerlIO_stdin
624                     Perl_PerlIO_stdout
625                     Perl_PerlIO_tell
626                     Perl_PerlIO_unread
627                     Perl_PerlIO_write
628 );
629 if ($ARGS{PLATFORM} eq 'netware') {
630     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
631 }
632
633 if ($define{'USE_PERLIO'}) {
634     # Export the symbols that make up the PerlIO abstraction, regardless
635     # of its implementation - read from a file
636     push @syms, 'perlio.sym';
637
638     # This part is then dependent on how the abstraction is implemented
639     if ($define{'USE_SFIO'}) {
640         # Old legacy non-stdio "PerlIO"
641         ++$skip{$_} foreach @layer_syms;
642         ++$skip{perlsio_binmode};
643         # SFIO defines most of the PerlIO routines as macros
644         # So undo most of what $perlio_sym has just done - d'oh !
645         # Perhaps it would be better to list the ones which do exist
646         # And emit them
647         ++$skip{$_} foreach qw(
648                          PerlIO_canset_cnt
649                          PerlIO_clearerr
650                          PerlIO_close
651                          PerlIO_eof
652                          PerlIO_error
653                          PerlIO_exportFILE
654                          PerlIO_fast_gets
655                          PerlIO_fdopen
656                          PerlIO_fileno
657                          PerlIO_findFILE
658                          PerlIO_flush
659                          PerlIO_get_base
660                          PerlIO_get_bufsiz
661                          PerlIO_get_cnt
662                          PerlIO_get_ptr
663                          PerlIO_getc
664                          PerlIO_getname
665                          PerlIO_has_base
666                          PerlIO_has_cntptr
667                          PerlIO_importFILE
668                          PerlIO_open
669                          PerlIO_printf
670                          PerlIO_putc
671                          PerlIO_puts
672                          PerlIO_read
673                          PerlIO_releaseFILE
674                          PerlIO_reopen
675                          PerlIO_rewind
676                          PerlIO_seek
677                          PerlIO_set_cnt
678                          PerlIO_set_ptrcnt
679                          PerlIO_setlinebuf
680                          PerlIO_sprintf
681                          PerlIO_stderr
682                          PerlIO_stdin
683                          PerlIO_stdout
684                          PerlIO_stdoutf
685                          PerlIO_tell
686                          PerlIO_ungetc
687                          PerlIO_vprintf
688                          PerlIO_write
689                          PerlIO_perlio
690                          Perl_PerlIO_clearerr
691                          Perl_PerlIO_close
692                          Perl_PerlIO_eof
693                          Perl_PerlIO_error
694                          Perl_PerlIO_fileno
695                          Perl_PerlIO_fill
696                          Perl_PerlIO_flush
697                          Perl_PerlIO_get_base
698                          Perl_PerlIO_get_bufsiz
699                          Perl_PerlIO_get_cnt
700                          Perl_PerlIO_get_ptr
701                          Perl_PerlIO_read
702                          Perl_PerlIO_seek
703                          Perl_PerlIO_set_cnt
704                          Perl_PerlIO_set_ptrcnt
705                          Perl_PerlIO_setlinebuf
706                          Perl_PerlIO_stderr
707                          Perl_PerlIO_stdin
708                          Perl_PerlIO_stdout
709                          Perl_PerlIO_tell
710                          Perl_PerlIO_unread
711                          Perl_PerlIO_write
712                          PL_def_layerlist
713                          PL_known_layers
714                          PL_perlio
715                              );
716     }
717     else {
718         # PerlIO with layers - export implementation
719         try_symbols(@layer_syms, 'perlsio_binmode');
720     }
721 } else {
722         # -Uuseperlio
723         # Skip the PerlIO layer symbols - although
724         # nothing should have exported them anyway.
725         ++$skip{$_} foreach @layer_syms;
726         ++$skip{$_} foreach qw(
727                         perlsio_binmode
728                         PL_def_layerlist
729                         PL_known_layers
730                         PL_perlio
731                         PL_perlio_debug_fd
732                         PL_perlio_fd_refcnt
733                         PL_perlio_fd_refcnt_size
734                         PL_perlio_mutex
735                              );
736
737         # Also do NOT add abstraction symbols from $perlio_sym
738         # abstraction is done as #define to stdio
739         # Remaining remnants that _may_ be functions are handled below.
740 }
741
742 ###############################################################################
743
744 # At this point all skip lists should be completed, as we are about to test
745 # many symbols against them.
746
747 {
748     my %seen;
749     my ($embed) = setup_embed($ARGS{TARG_DIR});
750
751     foreach (@$embed) {
752         my ($flags, $retval, $func, @args) = @$_;
753         next unless $func;
754         if ($flags =~ /[AX]/ && $flags !~ /[xmi]/ || $flags =~ /b/) {
755             # public API, so export
756
757             # If a function is defined twice, for example before and after
758             # an #else, only export its name once. Important to do this test
759             # within the block, as the *first* definition may have flags which
760             # mean "don't export"
761             next if $seen{$func}++;
762             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
763             $func = "Perl_$func" if ($flags =~ /[pbX]/ && $func !~ /^Perl_/); 
764             ++$export{$func} unless exists $skip{$func};
765         }
766     }
767 }
768
769 foreach (@syms) {
770     my $syms = $ARGS{TARG_DIR} . $_;
771     open my $global, '<', $syms or die "failed to open $syms: $!\n";
772     # Functions already have a Perl_ prefix
773     # Variables need a PL_ prefix
774     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
775     while (<$global>) {
776         next unless /^([A-Za-z].*)/;
777         my $symbol = "$prefix$1";
778         ++$export{$symbol} unless exists $skip{$symbol};
779     }
780 }
781
782 # variables
783
784 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
785     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
786     # XXX AIX seems to want the perlvars.h symbols, for some reason
787     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
788         readvar('perlvars.h', \%export);
789     }
790 }
791 else {
792     unless ($define{'PERL_GLOBAL_STRUCT'}) {
793         readvar('perlvars.h', \%export);
794     }
795     unless ($define{MULTIPLICITY}) {
796         readvar('intrpvar.h', \%export);
797     }
798 }
799
800 # Oddities from PerlIO
801 # All have alternate implementations in perlio.c, so always exist.
802 # Should they be considered to be part of the API?
803 try_symbols(qw(
804                     PerlIO_binmode
805                     PerlIO_getpos
806                     PerlIO_init
807                     PerlIO_setpos
808                     PerlIO_sprintf
809                     PerlIO_tmpfile
810                     PerlIO_vsprintf
811              ));
812
813 if ($ARGS{PLATFORM} eq 'win32') {
814     try_symbols(qw(
815                                  win32_free_childdir
816                                  win32_free_childenv
817                                  win32_get_childdir
818                                  win32_get_childenv
819                                  win32_spawnvp
820                  ));
821 }
822
823 if ($ARGS{PLATFORM} eq 'wince') {
824     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
825 }
826
827 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
828     try_symbols(qw(
829                             Perl_init_os_extras
830                             Perl_thread_create
831                             Perl_win32_init
832                             Perl_win32_term
833                             RunPerl
834                             win32_async_check
835                             win32_errno
836                             win32_environ
837                             win32_abort
838                             win32_fstat
839                             win32_stat
840                             win32_pipe
841                             win32_popen
842                             win32_pclose
843                             win32_rename
844                             win32_setmode
845                             win32_chsize
846                             win32_lseek
847                             win32_tell
848                             win32_dup
849                             win32_dup2
850                             win32_open
851                             win32_close
852                             win32_eof
853                             win32_isatty
854                             win32_read
855                             win32_write
856                             win32_mkdir
857                             win32_rmdir
858                             win32_chdir
859                             win32_flock
860                             win32_execv
861                             win32_execvp
862                             win32_htons
863                             win32_ntohs
864                             win32_htonl
865                             win32_ntohl
866                             win32_inet_addr
867                             win32_inet_ntoa
868                             win32_socket
869                             win32_bind
870                             win32_listen
871                             win32_accept
872                             win32_connect
873                             win32_send
874                             win32_sendto
875                             win32_recv
876                             win32_recvfrom
877                             win32_shutdown
878                             win32_closesocket
879                             win32_ioctlsocket
880                             win32_setsockopt
881                             win32_getsockopt
882                             win32_getpeername
883                             win32_getsockname
884                             win32_gethostname
885                             win32_gethostbyname
886                             win32_gethostbyaddr
887                             win32_getprotobyname
888                             win32_getprotobynumber
889                             win32_getservbyname
890                             win32_getservbyport
891                             win32_select
892                             win32_endhostent
893                             win32_endnetent
894                             win32_endprotoent
895                             win32_endservent
896                             win32_getnetent
897                             win32_getnetbyname
898                             win32_getnetbyaddr
899                             win32_getprotoent
900                             win32_getservent
901                             win32_sethostent
902                             win32_setnetent
903                             win32_setprotoent
904                             win32_setservent
905                             win32_getenv
906                             win32_putenv
907                             win32_perror
908                             win32_malloc
909                             win32_calloc
910                             win32_realloc
911                             win32_free
912                             win32_sleep
913                             win32_times
914                             win32_access
915                             win32_alarm
916                             win32_chmod
917                             win32_open_osfhandle
918                             win32_get_osfhandle
919                             win32_ioctl
920                             win32_link
921                             win32_unlink
922                             win32_utime
923                             win32_gettimeofday
924                             win32_uname
925                             win32_wait
926                             win32_waitpid
927                             win32_kill
928                             win32_str_os_error
929                             win32_opendir
930                             win32_readdir
931                             win32_telldir
932                             win32_seekdir
933                             win32_rewinddir
934                             win32_closedir
935                             win32_longpath
936                             win32_ansipath
937                             win32_os_id
938                             win32_getpid
939                             win32_crypt
940                             win32_dynaload
941                             win32_clearenv
942                             win32_stdin
943                             win32_stdout
944                             win32_stderr
945                             win32_ferror
946                             win32_feof
947                             win32_strerror
948                             win32_fprintf
949                             win32_printf
950                             win32_vfprintf
951                             win32_vprintf
952                             win32_fread
953                             win32_fwrite
954                             win32_fopen
955                             win32_fdopen
956                             win32_freopen
957                             win32_fclose
958                             win32_fputs
959                             win32_fputc
960                             win32_ungetc
961                             win32_getc
962                             win32_fileno
963                             win32_clearerr
964                             win32_fflush
965                             win32_ftell
966                             win32_fseek
967                             win32_fgetpos
968                             win32_fsetpos
969                             win32_rewind
970                             win32_tmpfile
971                             win32_setbuf
972                             win32_setvbuf
973                             win32_flushall
974                             win32_fcloseall
975                             win32_fgets
976                             win32_gets
977                             win32_fgetc
978                             win32_putc
979                             win32_puts
980                             win32_getchar
981                             win32_putchar
982                  ));
983 }
984 elsif ($ARGS{PLATFORM} eq 'vms') {
985     try_symbols(qw(
986                       Perl_cando
987                       Perl_cando_by_name
988                       Perl_closedir
989                       Perl_csighandler_init
990                       Perl_do_rmdir
991                       Perl_fileify_dirspec
992                       Perl_fileify_dirspec_ts
993                       Perl_fileify_dirspec_utf8
994                       Perl_fileify_dirspec_utf8_ts
995                       Perl_flex_fstat
996                       Perl_flex_lstat
997                       Perl_flex_stat
998                       Perl_kill_file
999                       Perl_my_chdir
1000                       Perl_my_chmod
1001                       Perl_my_crypt
1002                       Perl_my_endpwent
1003                       Perl_my_fclose
1004                       Perl_my_fdopen
1005                       Perl_my_fgetname
1006                       Perl_my_flush
1007                       Perl_my_fwrite
1008                       Perl_my_gconvert
1009                       Perl_my_getenv
1010                       Perl_my_getenv_len
1011                       Perl_my_getlogin
1012                       Perl_my_getpwnam
1013                       Perl_my_getpwuid
1014                       Perl_my_gmtime
1015                       Perl_my_kill
1016                       Perl_my_localtime
1017                       Perl_my_mkdir
1018                       Perl_my_sigaction
1019                       Perl_my_symlink
1020                       Perl_my_time
1021                       Perl_my_tmpfile
1022                       Perl_my_trnlnm
1023                       Perl_my_utime
1024                       Perl_my_waitpid
1025                       Perl_opendir
1026                       Perl_pathify_dirspec
1027                       Perl_pathify_dirspec_ts
1028                       Perl_pathify_dirspec_utf8
1029                       Perl_pathify_dirspec_utf8_ts
1030                       Perl_readdir
1031                       Perl_readdir_r
1032                       Perl_rename
1033                       Perl_rmscopy
1034                       Perl_rmsexpand
1035                       Perl_rmsexpand_ts
1036                       Perl_rmsexpand_utf8
1037                       Perl_rmsexpand_utf8_ts
1038                       Perl_seekdir
1039                       Perl_sig_to_vmscondition
1040                       Perl_telldir
1041                       Perl_tounixpath
1042                       Perl_tounixpath_ts
1043                       Perl_tounixpath_utf8
1044                       Perl_tounixpath_utf8_ts
1045                       Perl_tounixspec
1046                       Perl_tounixspec_ts
1047                       Perl_tounixspec_utf8
1048                       Perl_tounixspec_utf8_ts
1049                       Perl_tovmspath
1050                       Perl_tovmspath_ts
1051                       Perl_tovmspath_utf8
1052                       Perl_tovmspath_utf8_ts
1053                       Perl_tovmsspec
1054                       Perl_tovmsspec_ts
1055                       Perl_tovmsspec_utf8
1056                       Perl_tovmsspec_utf8_ts
1057                       Perl_trim_unixpath
1058                       Perl_vms_case_tolerant
1059                       Perl_vms_do_aexec
1060                       Perl_vms_do_exec
1061                       Perl_vms_image_init
1062                       Perl_vms_realpath
1063                       Perl_vmssetenv
1064                       Perl_vmssetuserlnm
1065                       Perl_vmstrnenv
1066                       PerlIO_openn
1067                  ));
1068 }
1069 elsif ($ARGS{PLATFORM} eq 'os2') {
1070     try_symbols(qw(
1071                       ctermid
1072                       get_sysinfo
1073                       Perl_OS2_init
1074                       Perl_OS2_init3
1075                       Perl_OS2_term
1076                       OS2_Perl_data
1077                       dlopen
1078                       dlsym
1079                       dlerror
1080                       dlclose
1081                       dup2
1082                       dup
1083                       my_tmpfile
1084                       my_tmpnam
1085                       my_flock
1086                       my_rmdir
1087                       my_mkdir
1088                       my_getpwuid
1089                       my_getpwnam
1090                       my_getpwent
1091                       my_setpwent
1092                       my_endpwent
1093                       fork_with_resources
1094                       croak_with_os2error
1095                       setgrent
1096                       endgrent
1097                       getgrent
1098                       malloc_mutex
1099                       threads_mutex
1100                       nthreads
1101                       nthreads_cond
1102                       os2_cond_wait
1103                       os2_stat
1104                       os2_execname
1105                       async_mssleep
1106                       msCounter
1107                       InfoTable
1108                       pthread_join
1109                       pthread_create
1110                       pthread_detach
1111                       XS_Cwd_change_drive
1112                       XS_Cwd_current_drive
1113                       XS_Cwd_extLibpath
1114                       XS_Cwd_extLibpath_set
1115                       XS_Cwd_sys_abspath
1116                       XS_Cwd_sys_chdir
1117                       XS_Cwd_sys_cwd
1118                       XS_Cwd_sys_is_absolute
1119                       XS_Cwd_sys_is_relative
1120                       XS_Cwd_sys_is_rooted
1121                       XS_DynaLoader_mod2fname
1122                       XS_File__Copy_syscopy
1123                       Perl_Register_MQ
1124                       Perl_Deregister_MQ
1125                       Perl_Serve_Messages
1126                       Perl_Process_Messages
1127                       init_PMWIN_entries
1128                       PMWIN_entries
1129                       Perl_hab_GET
1130                       loadByOrdinal
1131                       pExtFCN
1132                       os2error
1133                       ResetWinError
1134                       CroakWinError
1135                       PL_do_undump
1136                  ));
1137 }
1138 elsif ($ARGS{PLATFORM} eq 'netware') {
1139     try_symbols(qw(
1140                         Perl_init_os_extras
1141                         Perl_thread_create
1142                         Perl_nw5_init
1143                         RunPerl
1144                         AllocStdPerl
1145                         FreeStdPerl
1146                         do_spawn2
1147                         do_aspawn
1148                         nw_uname
1149                         nw_stdin
1150                         nw_stdout
1151                         nw_stderr
1152                         nw_feof
1153                         nw_ferror
1154                         nw_fopen
1155                         nw_fclose
1156                         nw_clearerr
1157                         nw_getc
1158                         nw_fgets
1159                         nw_fputc
1160                         nw_fputs
1161                         nw_fflush
1162                         nw_ungetc
1163                         nw_fileno
1164                         nw_fdopen
1165                         nw_freopen
1166                         nw_fread
1167                         nw_fwrite
1168                         nw_setbuf
1169                         nw_setvbuf
1170                         nw_vfprintf
1171                         nw_ftell
1172                         nw_fseek
1173                         nw_rewind
1174                         nw_tmpfile
1175                         nw_fgetpos
1176                         nw_fsetpos
1177                         nw_dup
1178                         nw_access
1179                         nw_chmod
1180                         nw_chsize
1181                         nw_close
1182                         nw_dup2
1183                         nw_flock
1184                         nw_isatty
1185                         nw_link
1186                         nw_lseek
1187                         nw_stat
1188                         nw_mktemp
1189                         nw_open
1190                         nw_read
1191                         nw_rename
1192                         nw_setmode
1193                         nw_unlink
1194                         nw_utime
1195                         nw_write
1196                         nw_chdir
1197                         nw_rmdir
1198                         nw_closedir
1199                         nw_opendir
1200                         nw_readdir
1201                         nw_rewinddir
1202                         nw_seekdir
1203                         nw_telldir
1204                         nw_htonl
1205                         nw_htons
1206                         nw_ntohl
1207                         nw_ntohs
1208                         nw_accept
1209                         nw_bind
1210                         nw_connect
1211                         nw_endhostent
1212                         nw_endnetent
1213                         nw_endprotoent
1214                         nw_endservent
1215                         nw_gethostbyaddr
1216                         nw_gethostbyname
1217                         nw_gethostent
1218                         nw_gethostname
1219                         nw_getnetbyaddr
1220                         nw_getnetbyname
1221                         nw_getnetent
1222                         nw_getpeername
1223                         nw_getprotobyname
1224                         nw_getprotobynumber
1225                         nw_getprotoent
1226                         nw_getservbyname
1227                         nw_getservbyport
1228                         nw_getservent
1229                         nw_getsockname
1230                         nw_getsockopt
1231                         nw_inet_addr
1232                         nw_listen
1233                         nw_socket
1234                         nw_recv
1235                         nw_recvfrom
1236                         nw_select
1237                         nw_send
1238                         nw_sendto
1239                         nw_sethostent
1240                         nw_setnetent
1241                         nw_setprotoent
1242                         nw_setservent
1243                         nw_setsockopt
1244                         nw_inet_ntoa
1245                         nw_shutdown
1246                         nw_crypt
1247                         nw_execvp
1248                         nw_kill
1249                         nw_Popen
1250                         nw_Pclose
1251                         nw_Pipe
1252                         nw_times
1253                         nw_waitpid
1254                         nw_getpid
1255                         nw_spawnvp
1256                         nw_os_id
1257                         nw_open_osfhandle
1258                         nw_get_osfhandle
1259                         nw_abort
1260                         nw_sleep
1261                         nw_wait
1262                         nw_dynaload
1263                         nw_strerror
1264                         fnFpSetMode
1265                         fnInsertHashListAddrs
1266                         fnGetHashListAddrs
1267                         Perl_deb
1268                         Perl_sv_setsv
1269                         Perl_sv_catsv
1270                         Perl_sv_catpvn
1271                         Perl_sv_2pv
1272                         nw_freeenviron
1273                         Remove_Thread_Ctx
1274                  ));
1275 }
1276
1277 # When added this code was only run for Win32 and WinCE
1278 # Currently only Win32 links static extensions into the shared library.
1279 # The WinCE makefile doesn't appear to support static extensions, so this code
1280 # can't have any effect there.
1281 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1282 # list of dynamic extensions, and the rules to build them)
1283 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1284 # static extensions with -fPIC, but links them to perl, not libperl.so
1285 # The VMS build scripts don't yet implement static extensions at all.
1286
1287 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1288     # records of type boot_module for statically linked modules (except Dynaloader)
1289     my $static_ext = $Config{static_ext} // "";
1290     $static_ext =~ s/\//__/g;
1291     $static_ext =~ s/\bDynaLoader\b//;
1292     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1293     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1294 }
1295
1296 if ($ARGS{PLATFORM} eq 'os2') {
1297     my (%mapped, @missing);
1298     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1299     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1300     close MAP or die 'Cannot close miniperl.map';
1301
1302     @missing = grep { !exists $mapped{$_} }
1303                     keys %export;
1304     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1305     delete $export{$_} foreach @missing;
1306 }
1307
1308 ###############################################################################
1309
1310 # Now all symbols should be defined because next we are going to output them.
1311
1312 # Start with platform specific headers:
1313
1314 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1315     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1316         : "perl$Config{api_revision}$Config{api_version}";
1317     print "LIBRARY $dll\n";
1318     # The DESCRIPTION module definition file statement is not supported
1319     # by VC7 onwards.
1320     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1321         print "DESCRIPTION 'Perl interpreter'\n";
1322     }
1323     print "EXPORTS\n";
1324 }
1325 elsif ($ARGS{PLATFORM} eq 'os2') {
1326     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1327     $v .= '-thread' if $Config{archname} =~ /-thread/;
1328     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1329     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1330     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1331     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1332     print <<"---EOP---";
1333 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1334 $d
1335 STACKSIZE 32768
1336 CODE LOADONCALL
1337 DATA LOADONCALL NONSHARED MULTIPLE
1338 EXPORTS
1339 ---EOP---
1340 }
1341 elsif ($ARGS{PLATFORM} eq 'aix') {
1342     my $OSVER = `uname -v`;
1343     chop $OSVER;
1344     my $OSREL = `uname -r`;
1345     chop $OSREL;
1346     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1347         print "#! ..\n";
1348     } else {
1349         print "#!\n";
1350     }
1351 }
1352 elsif ($ARGS{PLATFORM} eq 'netware') {
1353         if ($ARGS{FILETYPE} eq 'def') {
1354         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1355         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1356         print "EXPORTS\n";
1357         }
1358 }
1359
1360 # Then the symbols
1361
1362 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1363 foreach my $symbol (@symbols) {
1364     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1365         print "\t$symbol\n";
1366     }
1367     elsif ($ARGS{PLATFORM} eq 'os2') {
1368         printf qq(    %-31s \@%s\n),
1369           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1370         printf qq(    %-31s \@%s\n),
1371           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1372           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1373           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1374     }
1375     elsif ($ARGS{PLATFORM} eq 'netware') {
1376         print "\t$symbol,\n";
1377     } else {
1378         print "$symbol\n";
1379     }
1380 }
1381
1382 # Then platform specific footers.
1383
1384 if ($ARGS{PLATFORM} eq 'os2') {
1385     print <<EOP;
1386     dll_perlmain=main
1387     fill_extLibpath
1388     dir_subst
1389     Perl_OS2_handler_install
1390
1391 ; LAST_ORDINAL=$sym_ord
1392 EOP
1393 }
1394
1395 1;