correct -Dmad skip count for tests introduced in 2d85e411 and 4dc843bc
[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{USE_ITHREADS}) {
115     if (!$define{MULTIPLICITY}) {
116         $define{MULTIPLICITY} = 1;
117     }
118 }
119
120 $define{PERL_IMPLICIT_CONTEXT} ||=
121     $define{USE_ITHREADS} ||
122     $define{MULTIPLICITY} ;
123
124 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
125     $define{USE_REENTRANT_API} = 1;
126 }
127
128 # perl.h logic duplication ends
129
130 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
131      unless $ARGS{PLATFORM} eq 'test';
132
133 my $sym_ord = 0;
134 my %ordinal;
135
136 if ($ARGS{PLATFORM} eq 'os2') {
137     if (open my $fh, '<', 'perl5.def') {
138       while (<$fh>) {
139         last if /^\s*EXPORTS\b/;
140       }
141       while (<$fh>) {
142         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
143         # This allows skipping ordinals which were used in older versions
144         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
145       }
146       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
147     }
148 }
149
150 my %skip;
151 # All platforms export boot_DynaLoader unconditionally.
152 my %export = ( boot_DynaLoader => 1 );
153
154 sub try_symbols {
155     foreach my $symbol (@_) {
156         ++$export{$symbol} unless exists $skip{$symbol};
157     }
158 }
159
160 sub readvar {
161     # $hash is the hash that we're adding to. For one of our callers, it will
162     # actually be the skip hash but that doesn't affect the intent of what
163     # we're doing, as in that case we skip adding something to the skip hash
164     # for the second time.
165
166     my $file = $ARGS{TARG_DIR} . shift;
167     my $hash = shift;
168     my $proc = shift;
169     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
170
171     while (<$vars>) {
172         # All symbols have a Perl_ prefix because that's what embed.h sticks
173         # in front of them.  The A?I?S?C? is strictly speaking wrong.
174         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
175
176         my $var = "PL_$3";
177         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
178         ++$hash->{$symbol} unless exists $skip{$var};
179     }
180 }
181
182 if ($ARGS{PLATFORM} ne 'os2') {
183     ++$skip{$_} foreach qw(
184                      PL_cryptseen
185                      PL_opsave
186                      Perl_GetVars
187                      Perl_dump_fds
188                      Perl_my_bcopy
189                      Perl_my_bzero
190                      Perl_my_chsize
191                      Perl_my_htonl
192                      Perl_my_memcmp
193                      Perl_my_memset
194                      Perl_my_ntohl
195                      Perl_my_swap
196                          );
197     if ($ARGS{PLATFORM} eq 'vms') {
198         ++$skip{PL_statusvalue_posix};
199         # This is a wrapper if we have symlink, not a replacement
200         # if we don't.
201         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
202     } else {
203         ++$skip{PL_statusvalue_vms};
204         if ($ARGS{PLATFORM} ne 'aix') {
205             ++$skip{$_} foreach qw(
206                                 PL_DBcv
207                                 PL_generation
208                                 PL_lastgotoprobe
209                                 PL_modcount
210                                 PL_timesbuf
211                                 main
212                                  );
213         }
214     }
215 }
216
217 if ($ARGS{PLATFORM} ne 'vms') {
218     # VMS does its own thing for these symbols.
219     ++$skip{$_} foreach qw(
220                         PL_sig_handlers_initted
221                         PL_sig_ignoring
222                         PL_sig_defaulting
223                          );
224     if ($ARGS{PLATFORM} ne 'win32') {
225         ++$skip{$_} foreach qw(
226                             Perl_do_spawn
227                             Perl_do_spawn_nowait
228                             Perl_do_aspawn
229                              );
230     }
231 }
232
233 unless ($define{UNLINK_ALL_VERSIONS}) {
234     ++$skip{Perl_unlnk};
235 }
236
237 unless ($define{'DEBUGGING'}) {
238     ++$skip{$_} foreach qw(
239                     Perl_debop
240                     Perl_debprofdump
241                     Perl_debstack
242                     Perl_debstackptrs
243                     Perl_pad_sv
244                     Perl_pad_setsv
245                     Perl_hv_assert
246                     PL_watchaddr
247                     PL_watchok
248                     PL_watch_pvx
249                          );
250 }
251
252 if ($define{'PERL_IMPLICIT_SYS'}) {
253     ++$skip{$_} foreach qw(
254                     Perl_my_popen
255                     Perl_my_pclose
256                          );
257     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
258     ++$export{perl_clone_host} if $define{USE_ITHREADS};
259 }
260 else {
261     ++$skip{$_} foreach qw(
262                     PL_Mem
263                     PL_MemShared
264                     PL_MemParse
265                     PL_Env
266                     PL_StdIO
267                     PL_LIO
268                     PL_Dir
269                     PL_Sock
270                     PL_Proc
271                     perl_alloc_using
272                     perl_clone_using
273                          );
274 }
275
276 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
277     ++$skip{Perl_sv_setsv_cow};
278 }
279
280 unless ($define{'USE_REENTRANT_API'}) {
281     ++$skip{PL_reentrant_buffer};
282 }
283
284 if ($define{'MYMALLOC'}) {
285     try_symbols(qw(
286                     Perl_dump_mstats
287                     Perl_get_mstats
288                     Perl_strdup
289                     Perl_putenv
290                     MallocCfg_ptr
291                     MallocCfgP_ptr
292                     ));
293     unless ($define{USE_ITHREADS}) {
294         ++$skip{PL_malloc_mutex}
295     }
296 }
297 else {
298     ++$skip{$_} foreach qw(
299                     PL_malloc_mutex
300                     Perl_dump_mstats
301                     Perl_get_mstats
302                     MallocCfg_ptr
303                     MallocCfgP_ptr
304                          );
305 }
306
307 if ($define{'PERL_USE_SAFE_PUTENV'}) {
308     ++$skip{PL_use_safe_putenv};
309 }
310
311 unless ($define{'USE_ITHREADS'}) {
312     ++$skip{PL_thr_key};
313 }
314
315 # USE_5005THREADS symbols. Kept as reference for easier removal
316 ++$skip{$_} foreach qw(
317                     PL_sv_mutex
318                     PL_strtab_mutex
319                     PL_svref_mutex
320                     PL_cred_mutex
321                     PL_eval_mutex
322                     PL_fdpid_mutex
323                     PL_sv_lock_mutex
324                     PL_eval_cond
325                     PL_eval_owner
326                     PL_threads_mutex
327                     PL_nthreads
328                     PL_nthreads_cond
329                     PL_threadnum
330                     PL_threadsv_names
331                     PL_thrsv
332                     PL_vtbl_mutex
333                     Perl_condpair_magic
334                     Perl_new_struct_thread
335                     Perl_per_thread_magicals
336                     Perl_thread_create
337                     Perl_find_threadsv
338                     Perl_unlock_condpair
339                     Perl_magic_mutexfree
340                     Perl_sv_lock
341                      );
342
343 unless ($define{'USE_ITHREADS'}) {
344     ++$skip{$_} foreach qw(
345                     PL_check_mutex
346                     PL_op_mutex
347                     PL_regex_pad
348                     PL_regex_padav
349                     PL_dollarzero_mutex
350                     PL_hints_mutex
351                     PL_my_ctx_mutex
352                     PL_perlio_mutex
353                     PL_stashpad
354                     PL_stashpadix
355                     PL_stashpadmax
356                     Perl_alloccopstash
357                     Perl_clone_params_del
358                     Perl_clone_params_new
359                     Perl_parser_dup
360                     Perl_dirp_dup
361                     Perl_cx_dup
362                     Perl_si_dup
363                     Perl_any_dup
364                     Perl_ss_dup
365                     Perl_fp_dup
366                     Perl_gp_dup
367                     Perl_he_dup
368                     Perl_mg_dup
369                     Perl_re_dup_guts
370                     Perl_sv_dup
371                     Perl_sv_dup_inc
372                     Perl_rvpv_dup
373                     Perl_hek_dup
374                     Perl_sys_intern_dup
375                     perl_clone
376                     perl_clone_using
377                     Perl_stashpv_hvname_match
378                     Perl_regdupe_internal
379                     Perl_newPADOP
380                          );
381 }
382
383 unless ($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 ($define{'PERL_NEED_APPCTX'}) {
408     ++$skip{PL_appctx};
409 }
410
411 unless ($define{'PERL_NEED_TIMESBASE'}) {
412     ++$skip{PL_timesbase};
413 }
414
415 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
416     ++$skip{PL_sv_serial};
417 }
418
419 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
420     ++$skip{PL_dumper_fd};
421 }
422
423 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
424     ++$skip{Perl_gv_SVadd};
425 }
426
427 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
428     ++$skip{Perl_my_sprintf};
429 }
430
431 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
432     ++$skip{PL_pidstatus};
433 }
434
435 unless ($define{'PERL_TRACK_MEMPOOL'}) {
436     ++$skip{PL_memory_debug_header};
437 }
438
439 unless ($define{PERL_MAD}) {
440     ++$skip{$_} foreach qw(
441                     PL_madskills
442                     PL_xmlfp
443                          );
444 }
445
446 unless ($define{'MULTIPLICITY'}) {
447     ++$skip{$_} foreach qw(
448                     PL_interp_size
449                     PL_interp_size_5_16_0
450                          );
451 }
452
453 unless ($define{'PERL_GLOBAL_STRUCT'}) {
454     ++$skip{PL_global_struct_size};
455 }
456
457 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
458     ++$skip{$_} foreach qw(
459                     PL_my_cxt_keys
460                     Perl_my_cxt_index
461                          );
462 }
463
464 unless ($define{HAS_MMAP}) {
465     ++$skip{PL_mmap_page_size};
466 }
467
468 if ($define{HAS_SIGACTION}) {
469     ++$skip{PL_sig_trapped};
470
471     if ($ARGS{PLATFORM} eq 'vms') {
472         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
473         ++$skip{PL_sig_ignoring};
474     }
475 }
476
477 unless ($define{USE_LOCALE_COLLATE}) {
478     ++$skip{$_} foreach qw(
479                     PL_collation_ix
480                     PL_collation_name
481                     PL_collation_standard
482                     PL_collxfrm_base
483                     PL_collxfrm_mult
484                     Perl_sv_collxfrm
485                     Perl_sv_collxfrm_flags
486                          );
487 }
488
489 unless ($define{USE_LOCALE_NUMERIC}) {
490     ++$skip{$_} foreach qw(
491                     PL_numeric_local
492                     PL_numeric_name
493                     PL_numeric_radix_sv
494                     PL_numeric_standard
495                          );
496 }
497
498 unless ($define{HAVE_INTERP_INTERN}) {
499     ++$skip{$_} foreach qw(
500                     Perl_sys_intern_clear
501                     Perl_sys_intern_dup
502                     Perl_sys_intern_init
503                     PL_sys_intern
504                          );
505 }
506
507 if ($define{HAS_SIGNBIT}) {
508     ++$skip{Perl_signbit};
509 }
510
511 if ($define{'PERL_GLOBAL_STRUCT'}) {
512     readvar('perlvars.h', \%skip);
513     # This seems like the least ugly way to cope with the fact that PL_sh_path
514     # is mentioned in perlvar.h and globvar.sym, and always exported.
515     delete $skip{PL_sh_path};
516     ++$export{Perl_GetVars};
517     try_symbols(qw(PL_Vars PL_VarsPtr)) unless $ARGS{CCTYPE} eq 'GCC';
518 } else {
519     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
520 }
521
522 # functions from *.sym files
523
524 my @syms = qw(globvar.sym);
525
526 # Symbols that are the public face of the PerlIO layers implementation
527 # These are in _addition to_ the public face of the abstraction
528 # and need to be exported to allow XS modules to implement layers
529 my @layer_syms = qw(
530                     PerlIOBase_binmode
531                     PerlIOBase_clearerr
532                     PerlIOBase_close
533                     PerlIOBase_dup
534                     PerlIOBase_eof
535                     PerlIOBase_error
536                     PerlIOBase_fileno
537                     PerlIOBase_open
538                     PerlIOBase_noop_fail
539                     PerlIOBase_noop_ok
540                     PerlIOBase_popped
541                     PerlIOBase_pushed
542                     PerlIOBase_read
543                     PerlIOBase_setlinebuf
544                     PerlIOBase_unread
545                     PerlIOBuf_bufsiz
546                     PerlIOBuf_close
547                     PerlIOBuf_dup
548                     PerlIOBuf_fill
549                     PerlIOBuf_flush
550                     PerlIOBuf_get_base
551                     PerlIOBuf_get_cnt
552                     PerlIOBuf_get_ptr
553                     PerlIOBuf_open
554                     PerlIOBuf_popped
555                     PerlIOBuf_pushed
556                     PerlIOBuf_read
557                     PerlIOBuf_seek
558                     PerlIOBuf_set_ptrcnt
559                     PerlIOBuf_tell
560                     PerlIOBuf_unread
561                     PerlIOBuf_write
562                     PerlIO_allocate
563                     PerlIO_apply_layera
564                     PerlIO_apply_layers
565                     PerlIO_arg_fetch
566                     PerlIO_debug
567                     PerlIO_define_layer
568                     PerlIO_find_layer
569                     PerlIO_isutf8
570                     PerlIO_layer_fetch
571                     PerlIO_list_alloc
572                     PerlIO_list_free
573                     PerlIO_modestr
574                     PerlIO_parse_layers
575                     PerlIO_pending
576                     PerlIO_perlio
577                     PerlIO_pop
578                     PerlIO_push
579                     PerlIO_sv_dup
580                     Perl_PerlIO_clearerr
581                     Perl_PerlIO_close
582                     Perl_PerlIO_context_layers
583                     Perl_PerlIO_eof
584                     Perl_PerlIO_error
585                     Perl_PerlIO_fileno
586                     Perl_PerlIO_fill
587                     Perl_PerlIO_flush
588                     Perl_PerlIO_get_base
589                     Perl_PerlIO_get_bufsiz
590                     Perl_PerlIO_get_cnt
591                     Perl_PerlIO_get_ptr
592                     Perl_PerlIO_read
593                     Perl_PerlIO_seek
594                     Perl_PerlIO_set_cnt
595                     Perl_PerlIO_set_ptrcnt
596                     Perl_PerlIO_setlinebuf
597                     Perl_PerlIO_stderr
598                     Perl_PerlIO_stdin
599                     Perl_PerlIO_stdout
600                     Perl_PerlIO_tell
601                     Perl_PerlIO_unread
602                     Perl_PerlIO_write
603 );
604 if ($ARGS{PLATFORM} eq 'netware') {
605     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
606 }
607
608 if ($define{'USE_PERLIO'}) {
609     # Export the symols that make up the PerlIO abstraction, regardless
610     # of its implementation - read from a file
611     push @syms, 'perlio.sym';
612
613     # This part is then dependent on how the abstraction is implemented
614     if ($define{'USE_SFIO'}) {
615         # Old legacy non-stdio "PerlIO"
616         ++$skip{$_} foreach @layer_syms;
617         ++$skip{perlsio_binmode};
618         # SFIO defines most of the PerlIO routines as macros
619         # So undo most of what $perlio_sym has just done - d'oh !
620         # Perhaps it would be better to list the ones which do exist
621         # And emit them
622         ++$skip{$_} foreach qw(
623                          PerlIO_canset_cnt
624                          PerlIO_clearerr
625                          PerlIO_close
626                          PerlIO_eof
627                          PerlIO_error
628                          PerlIO_exportFILE
629                          PerlIO_fast_gets
630                          PerlIO_fdopen
631                          PerlIO_fileno
632                          PerlIO_findFILE
633                          PerlIO_flush
634                          PerlIO_get_base
635                          PerlIO_get_bufsiz
636                          PerlIO_get_cnt
637                          PerlIO_get_ptr
638                          PerlIO_getc
639                          PerlIO_getname
640                          PerlIO_has_base
641                          PerlIO_has_cntptr
642                          PerlIO_importFILE
643                          PerlIO_open
644                          PerlIO_printf
645                          PerlIO_putc
646                          PerlIO_puts
647                          PerlIO_read
648                          PerlIO_releaseFILE
649                          PerlIO_reopen
650                          PerlIO_rewind
651                          PerlIO_seek
652                          PerlIO_set_cnt
653                          PerlIO_set_ptrcnt
654                          PerlIO_setlinebuf
655                          PerlIO_sprintf
656                          PerlIO_stderr
657                          PerlIO_stdin
658                          PerlIO_stdout
659                          PerlIO_stdoutf
660                          PerlIO_tell
661                          PerlIO_ungetc
662                          PerlIO_vprintf
663                          PerlIO_write
664                          PerlIO_perlio
665                          Perl_PerlIO_clearerr
666                          Perl_PerlIO_close
667                          Perl_PerlIO_eof
668                          Perl_PerlIO_error
669                          Perl_PerlIO_fileno
670                          Perl_PerlIO_fill
671                          Perl_PerlIO_flush
672                          Perl_PerlIO_get_base
673                          Perl_PerlIO_get_bufsiz
674                          Perl_PerlIO_get_cnt
675                          Perl_PerlIO_get_ptr
676                          Perl_PerlIO_read
677                          Perl_PerlIO_seek
678                          Perl_PerlIO_set_cnt
679                          Perl_PerlIO_set_ptrcnt
680                          Perl_PerlIO_setlinebuf
681                          Perl_PerlIO_stderr
682                          Perl_PerlIO_stdin
683                          Perl_PerlIO_stdout
684                          Perl_PerlIO_tell
685                          Perl_PerlIO_unread
686                          Perl_PerlIO_write
687                          PL_def_layerlist
688                          PL_known_layers
689                          PL_perlio
690                              );
691     }
692     else {
693         # PerlIO with layers - export implementation
694         try_symbols(@layer_syms, 'perlsio_binmode');
695     }
696 } else {
697         # -Uuseperlio
698         # Skip the PerlIO layer symbols - although
699         # nothing should have exported them anyway.
700         ++$skip{$_} foreach @layer_syms;
701         ++$skip{$_} foreach qw(
702                         perlsio_binmode
703                         PL_def_layerlist
704                         PL_known_layers
705                         PL_perlio
706                         PL_perlio_debug_fd
707                         PL_perlio_fd_refcnt
708                         PL_perlio_fd_refcnt_size
709                         PL_perlio_mutex
710                              );
711
712         # Also do NOT add abstraction symbols from $perlio_sym
713         # abstraction is done as #define to stdio
714         # Remaining remnants that _may_ be functions are handled below.
715 }
716
717 ###############################################################################
718
719 # At this point all skip lists should be completed, as we are about to test
720 # many symbols against them.
721
722 {
723     my %seen;
724     my ($embed) = setup_embed($ARGS{TARG_DIR});
725
726     foreach (@$embed) {
727         my ($flags, $retval, $func, @args) = @$_;
728         next unless $func;
729         if ($flags =~ /[AX]/ && $flags !~ /[xm]/ || $flags =~ /b/) {
730             # public API, so export
731
732             # If a function is defined twice, for example before and after
733             # an #else, only export its name once. Important to do this test
734             # within the block, as the *first* definition may have flags which
735             # mean "don't export"
736             next if $seen{$func}++;
737             $func = "Perl_$func" if $flags =~ /[pbX]/;
738             ++$export{$func} unless exists $skip{$func};
739         }
740     }
741 }
742
743 foreach (@syms) {
744     my $syms = $ARGS{TARG_DIR} . $_;
745     open my $global, '<', $syms or die "failed to open $syms: $!\n";
746     # Functions already have a Perl_ prefix
747     # Variables need a PL_ prefix
748     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
749     while (<$global>) {
750         next unless /^([A-Za-z].*)/;
751         my $symbol = "$prefix$1";
752         ++$export{$symbol} unless exists $skip{$symbol};
753     }
754 }
755
756 # variables
757
758 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
759     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
760     # XXX AIX seems to want the perlvars.h symbols, for some reason
761     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
762         readvar('perlvars.h', \%export);
763     }
764 }
765 else {
766     unless ($define{'PERL_GLOBAL_STRUCT'}) {
767         readvar('perlvars.h', \%export);
768     }
769     unless ($define{MULTIPLICITY}) {
770         readvar('intrpvar.h', \%export);
771     }
772 }
773
774 # Oddities from PerlIO
775 # All have alternate implementations in perlio.c, so always exist.
776 # Should they be considered to be part of the API?
777 try_symbols(qw(
778                     PerlIO_binmode
779                     PerlIO_getpos
780                     PerlIO_init
781                     PerlIO_setpos
782                     PerlIO_sprintf
783                     PerlIO_tmpfile
784                     PerlIO_vsprintf
785              ));
786
787 if ($ARGS{PLATFORM} eq 'win32') {
788     try_symbols(qw(
789                                  setgid
790                                  setuid
791                                  win32_free_childdir
792                                  win32_free_childenv
793                                  win32_get_childdir
794                                  win32_get_childenv
795                                  win32_spawnvp
796                  ));
797 }
798
799 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
800     try_symbols(qw(
801                             Perl_init_os_extras
802                             Perl_thread_create
803                             Perl_win32_init
804                             Perl_win32_term
805                             RunPerl
806                             win32_async_check
807                             win32_errno
808                             win32_environ
809                             win32_abort
810                             win32_fstat
811                             win32_stat
812                             win32_pipe
813                             win32_popen
814                             win32_pclose
815                             win32_rename
816                             win32_setmode
817                             win32_chsize
818                             win32_lseek
819                             win32_tell
820                             win32_dup
821                             win32_dup2
822                             win32_open
823                             win32_close
824                             win32_eof
825                             win32_isatty
826                             win32_read
827                             win32_write
828                             win32_mkdir
829                             win32_rmdir
830                             win32_chdir
831                             win32_flock
832                             win32_execv
833                             win32_execvp
834                             win32_htons
835                             win32_ntohs
836                             win32_htonl
837                             win32_ntohl
838                             win32_inet_addr
839                             win32_inet_ntoa
840                             win32_socket
841                             win32_bind
842                             win32_listen
843                             win32_accept
844                             win32_connect
845                             win32_send
846                             win32_sendto
847                             win32_recv
848                             win32_recvfrom
849                             win32_shutdown
850                             win32_closesocket
851                             win32_ioctlsocket
852                             win32_setsockopt
853                             win32_getsockopt
854                             win32_getpeername
855                             win32_getsockname
856                             win32_gethostname
857                             win32_gethostbyname
858                             win32_gethostbyaddr
859                             win32_getprotobyname
860                             win32_getprotobynumber
861                             win32_getservbyname
862                             win32_getservbyport
863                             win32_select
864                             win32_endhostent
865                             win32_endnetent
866                             win32_endprotoent
867                             win32_endservent
868                             win32_getnetent
869                             win32_getnetbyname
870                             win32_getnetbyaddr
871                             win32_getprotoent
872                             win32_getservent
873                             win32_sethostent
874                             win32_setnetent
875                             win32_setprotoent
876                             win32_setservent
877                             win32_getenv
878                             win32_putenv
879                             win32_perror
880                             win32_malloc
881                             win32_calloc
882                             win32_realloc
883                             win32_free
884                             win32_sleep
885                             win32_times
886                             win32_access
887                             win32_alarm
888                             win32_chmod
889                             win32_open_osfhandle
890                             win32_get_osfhandle
891                             win32_ioctl
892                             win32_link
893                             win32_unlink
894                             win32_utime
895                             win32_gettimeofday
896                             win32_uname
897                             win32_wait
898                             win32_waitpid
899                             win32_kill
900                             win32_str_os_error
901                             win32_opendir
902                             win32_readdir
903                             win32_telldir
904                             win32_seekdir
905                             win32_rewinddir
906                             win32_closedir
907                             win32_longpath
908                             win32_ansipath
909                             win32_os_id
910                             win32_getpid
911                             win32_crypt
912                             win32_dynaload
913                             win32_clearenv
914                             win32_stdin
915                             win32_stdout
916                             win32_stderr
917                             win32_ferror
918                             win32_feof
919                             win32_strerror
920                             win32_fprintf
921                             win32_printf
922                             win32_vfprintf
923                             win32_vprintf
924                             win32_fread
925                             win32_fwrite
926                             win32_fopen
927                             win32_fdopen
928                             win32_freopen
929                             win32_fclose
930                             win32_fputs
931                             win32_fputc
932                             win32_ungetc
933                             win32_getc
934                             win32_fileno
935                             win32_clearerr
936                             win32_fflush
937                             win32_ftell
938                             win32_fseek
939                             win32_fgetpos
940                             win32_fsetpos
941                             win32_rewind
942                             win32_tmpfile
943                             win32_setbuf
944                             win32_setvbuf
945                             win32_flushall
946                             win32_fcloseall
947                             win32_fgets
948                             win32_gets
949                             win32_fgetc
950                             win32_putc
951                             win32_puts
952                             win32_getchar
953                             win32_putchar
954                  ));
955 }
956 elsif ($ARGS{PLATFORM} eq 'vms') {
957     try_symbols(qw(
958                       Perl_cando
959                       Perl_cando_by_name
960                       Perl_closedir
961                       Perl_csighandler_init
962                       Perl_do_rmdir
963                       Perl_fileify_dirspec
964                       Perl_fileify_dirspec_ts
965                       Perl_fileify_dirspec_utf8
966                       Perl_fileify_dirspec_utf8_ts
967                       Perl_flex_fstat
968                       Perl_flex_lstat
969                       Perl_flex_stat
970                       Perl_kill_file
971                       Perl_my_chdir
972                       Perl_my_chmod
973                       Perl_my_crypt
974                       Perl_my_endpwent
975                       Perl_my_fclose
976                       Perl_my_fdopen
977                       Perl_my_fgetname
978                       Perl_my_flush
979                       Perl_my_fwrite
980                       Perl_my_gconvert
981                       Perl_my_getenv
982                       Perl_my_getenv_len
983                       Perl_my_getlogin
984                       Perl_my_getpwnam
985                       Perl_my_getpwuid
986                       Perl_my_gmtime
987                       Perl_my_kill
988                       Perl_my_localtime
989                       Perl_my_mkdir
990                       Perl_my_sigaction
991                       Perl_my_symlink
992                       Perl_my_time
993                       Perl_my_tmpfile
994                       Perl_my_trnlnm
995                       Perl_my_utime
996                       Perl_my_waitpid
997                       Perl_opendir
998                       Perl_pathify_dirspec
999                       Perl_pathify_dirspec_ts
1000                       Perl_pathify_dirspec_utf8
1001                       Perl_pathify_dirspec_utf8_ts
1002                       Perl_readdir
1003                       Perl_readdir_r
1004                       Perl_rename
1005                       Perl_rmscopy
1006                       Perl_rmsexpand
1007                       Perl_rmsexpand_ts
1008                       Perl_rmsexpand_utf8
1009                       Perl_rmsexpand_utf8_ts
1010                       Perl_seekdir
1011                       Perl_sig_to_vmscondition
1012                       Perl_telldir
1013                       Perl_tounixpath
1014                       Perl_tounixpath_ts
1015                       Perl_tounixpath_utf8
1016                       Perl_tounixpath_utf8_ts
1017                       Perl_tounixspec
1018                       Perl_tounixspec_ts
1019                       Perl_tounixspec_utf8
1020                       Perl_tounixspec_utf8_ts
1021                       Perl_tovmspath
1022                       Perl_tovmspath_ts
1023                       Perl_tovmspath_utf8
1024                       Perl_tovmspath_utf8_ts
1025                       Perl_tovmsspec
1026                       Perl_tovmsspec_ts
1027                       Perl_tovmsspec_utf8
1028                       Perl_tovmsspec_utf8_ts
1029                       Perl_trim_unixpath
1030                       Perl_vms_case_tolerant
1031                       Perl_vms_do_aexec
1032                       Perl_vms_do_exec
1033                       Perl_vms_image_init
1034                       Perl_vms_realpath
1035                       Perl_vmssetenv
1036                       Perl_vmssetuserlnm
1037                       Perl_vmstrnenv
1038                       PerlIO_openn
1039                  ));
1040 }
1041 elsif ($ARGS{PLATFORM} eq 'os2') {
1042     try_symbols(qw(
1043                       ctermid
1044                       get_sysinfo
1045                       Perl_OS2_init
1046                       Perl_OS2_init3
1047                       Perl_OS2_term
1048                       OS2_Perl_data
1049                       dlopen
1050                       dlsym
1051                       dlerror
1052                       dlclose
1053                       dup2
1054                       dup
1055                       my_tmpfile
1056                       my_tmpnam
1057                       my_flock
1058                       my_rmdir
1059                       my_mkdir
1060                       my_getpwuid
1061                       my_getpwnam
1062                       my_getpwent
1063                       my_setpwent
1064                       my_endpwent
1065                       fork_with_resources
1066                       croak_with_os2error
1067                       setgrent
1068                       endgrent
1069                       getgrent
1070                       malloc_mutex
1071                       threads_mutex
1072                       nthreads
1073                       nthreads_cond
1074                       os2_cond_wait
1075                       os2_stat
1076                       os2_execname
1077                       async_mssleep
1078                       msCounter
1079                       InfoTable
1080                       pthread_join
1081                       pthread_create
1082                       pthread_detach
1083                       XS_Cwd_change_drive
1084                       XS_Cwd_current_drive
1085                       XS_Cwd_extLibpath
1086                       XS_Cwd_extLibpath_set
1087                       XS_Cwd_sys_abspath
1088                       XS_Cwd_sys_chdir
1089                       XS_Cwd_sys_cwd
1090                       XS_Cwd_sys_is_absolute
1091                       XS_Cwd_sys_is_relative
1092                       XS_Cwd_sys_is_rooted
1093                       XS_DynaLoader_mod2fname
1094                       XS_File__Copy_syscopy
1095                       Perl_Register_MQ
1096                       Perl_Deregister_MQ
1097                       Perl_Serve_Messages
1098                       Perl_Process_Messages
1099                       init_PMWIN_entries
1100                       PMWIN_entries
1101                       Perl_hab_GET
1102                       loadByOrdinal
1103                       pExtFCN
1104                       os2error
1105                       ResetWinError
1106                       CroakWinError
1107                       PL_do_undump
1108                  ));
1109 }
1110 elsif ($ARGS{PLATFORM} eq 'netware') {
1111     try_symbols(qw(
1112                         Perl_init_os_extras
1113                         Perl_thread_create
1114                         Perl_nw5_init
1115                         RunPerl
1116                         AllocStdPerl
1117                         FreeStdPerl
1118                         do_spawn2
1119                         do_aspawn
1120                         nw_uname
1121                         nw_stdin
1122                         nw_stdout
1123                         nw_stderr
1124                         nw_feof
1125                         nw_ferror
1126                         nw_fopen
1127                         nw_fclose
1128                         nw_clearerr
1129                         nw_getc
1130                         nw_fgets
1131                         nw_fputc
1132                         nw_fputs
1133                         nw_fflush
1134                         nw_ungetc
1135                         nw_fileno
1136                         nw_fdopen
1137                         nw_freopen
1138                         nw_fread
1139                         nw_fwrite
1140                         nw_setbuf
1141                         nw_setvbuf
1142                         nw_vfprintf
1143                         nw_ftell
1144                         nw_fseek
1145                         nw_rewind
1146                         nw_tmpfile
1147                         nw_fgetpos
1148                         nw_fsetpos
1149                         nw_dup
1150                         nw_access
1151                         nw_chmod
1152                         nw_chsize
1153                         nw_close
1154                         nw_dup2
1155                         nw_flock
1156                         nw_isatty
1157                         nw_link
1158                         nw_lseek
1159                         nw_stat
1160                         nw_mktemp
1161                         nw_open
1162                         nw_read
1163                         nw_rename
1164                         nw_setmode
1165                         nw_unlink
1166                         nw_utime
1167                         nw_write
1168                         nw_chdir
1169                         nw_rmdir
1170                         nw_closedir
1171                         nw_opendir
1172                         nw_readdir
1173                         nw_rewinddir
1174                         nw_seekdir
1175                         nw_telldir
1176                         nw_htonl
1177                         nw_htons
1178                         nw_ntohl
1179                         nw_ntohs
1180                         nw_accept
1181                         nw_bind
1182                         nw_connect
1183                         nw_endhostent
1184                         nw_endnetent
1185                         nw_endprotoent
1186                         nw_endservent
1187                         nw_gethostbyaddr
1188                         nw_gethostbyname
1189                         nw_gethostent
1190                         nw_gethostname
1191                         nw_getnetbyaddr
1192                         nw_getnetbyname
1193                         nw_getnetent
1194                         nw_getpeername
1195                         nw_getprotobyname
1196                         nw_getprotobynumber
1197                         nw_getprotoent
1198                         nw_getservbyname
1199                         nw_getservbyport
1200                         nw_getservent
1201                         nw_getsockname
1202                         nw_getsockopt
1203                         nw_inet_addr
1204                         nw_listen
1205                         nw_socket
1206                         nw_recv
1207                         nw_recvfrom
1208                         nw_select
1209                         nw_send
1210                         nw_sendto
1211                         nw_sethostent
1212                         nw_setnetent
1213                         nw_setprotoent
1214                         nw_setservent
1215                         nw_setsockopt
1216                         nw_inet_ntoa
1217                         nw_shutdown
1218                         nw_crypt
1219                         nw_execvp
1220                         nw_kill
1221                         nw_Popen
1222                         nw_Pclose
1223                         nw_Pipe
1224                         nw_times
1225                         nw_waitpid
1226                         nw_getpid
1227                         nw_spawnvp
1228                         nw_os_id
1229                         nw_open_osfhandle
1230                         nw_get_osfhandle
1231                         nw_abort
1232                         nw_sleep
1233                         nw_wait
1234                         nw_dynaload
1235                         nw_strerror
1236                         fnFpSetMode
1237                         fnInsertHashListAddrs
1238                         fnGetHashListAddrs
1239                         Perl_deb
1240                         Perl_sv_setsv
1241                         Perl_sv_catsv
1242                         Perl_sv_catpvn
1243                         Perl_sv_2pv
1244                         nw_freeenviron
1245                         Remove_Thread_Ctx
1246                  ));
1247 }
1248
1249 # When added this code was only run for Win32 and WinCE
1250 # Currently only Win32 links static extensions into the shared library.
1251 # The WinCE makefile doesn't appear to support static extensions, so this code
1252 # can't have any effect there.
1253 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1254 # list of dynamic extensions, and the rules to build them)
1255 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1256 # static extensions with -fPIC, but links them to perl, not libperl.so
1257 # The VMS build scripts don't yet implement static extensions at all.
1258
1259 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1260     # records of type boot_module for statically linked modules (except Dynaloader)
1261     my $static_ext = $Config{static_ext} // "";
1262     $static_ext =~ s/\//__/g;
1263     $static_ext =~ s/\bDynaLoader\b//;
1264     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1265     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1266 }
1267
1268 if ($ARGS{PLATFORM} eq 'os2') {
1269     my (%mapped, @missing);
1270     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1271     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1272     close MAP or die 'Cannot close miniperl.map';
1273
1274     @missing = grep { !exists $mapped{$_} }
1275                     keys %export;
1276     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1277     delete $export{$_} foreach @missing;
1278 }
1279
1280 ###############################################################################
1281
1282 # Now all symbols should be defined because next we are going to output them.
1283
1284 # Start with platform specific headers:
1285
1286 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1287     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1288         : "perl$Config{api_revision}$Config{api_version}";
1289     print "LIBRARY $dll\n";
1290     # The DESCRIPTION module definition file statement is not supported
1291     # by VC7 onwards.
1292     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1293         print "DESCRIPTION 'Perl interpreter'\n";
1294     }
1295     print "EXPORTS\n";
1296 }
1297 elsif ($ARGS{PLATFORM} eq 'os2') {
1298     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1299     $v .= '-thread' if $Config{archname} =~ /-thread/;
1300     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1301     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1302     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1303     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1304     print <<"---EOP---";
1305 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1306 $d
1307 STACKSIZE 32768
1308 CODE LOADONCALL
1309 DATA LOADONCALL NONSHARED MULTIPLE
1310 EXPORTS
1311 ---EOP---
1312 }
1313 elsif ($ARGS{PLATFORM} eq 'aix') {
1314     my $OSVER = `uname -v`;
1315     chop $OSVER;
1316     my $OSREL = `uname -r`;
1317     chop $OSREL;
1318     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1319         print "#! ..\n";
1320     } else {
1321         print "#!\n";
1322     }
1323 }
1324 elsif ($ARGS{PLATFORM} eq 'netware') {
1325         if ($ARGS{FILETYPE} eq 'def') {
1326         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1327         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1328         print "EXPORTS\n";
1329         }
1330 }
1331
1332 # Then the symbols
1333
1334 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1335 foreach my $symbol (@symbols) {
1336     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1337         print "\t$symbol\n";
1338     }
1339     elsif ($ARGS{PLATFORM} eq 'os2') {
1340         printf qq(    %-31s \@%s\n),
1341           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1342         printf qq(    %-31s \@%s\n),
1343           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1344           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1345           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1346     }
1347     elsif ($ARGS{PLATFORM} eq 'netware') {
1348         print "\t$symbol,\n";
1349     } else {
1350         print "$symbol\n";
1351     }
1352 }
1353
1354 # Then platform specific footers.
1355
1356 if ($ARGS{PLATFORM} eq 'os2') {
1357     print <<EOP;
1358     dll_perlmain=main
1359     fill_extLibpath
1360     dir_subst
1361     Perl_OS2_handler_install
1362
1363 ; LAST_ORDINAL=$sym_ord
1364 EOP
1365 }
1366
1367 1;