gv.c:require_tie_mod: Create namesv only when needed
[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 my $fold;
36 my %ARGS;
37 my %define;
38
39 BEGIN {
40     BEGIN { unshift @INC, "lib" }
41     use Config;
42     use strict;
43
44     %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
45
46     sub process_cc_flags {
47         foreach (map {split /\s+/, $_} @_) {
48             $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
49         }
50     }
51
52     while (@ARGV) {
53         my $flag = shift;
54         if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
55             process_cc_flags($1);
56         } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
57             $ARGS{$1} = $2;
58         } elsif ($flag eq '--sort-fold') {
59             ++$fold;
60         }
61     }
62     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
63     my %PLATFORM;
64     @PLATFORM{@PLATFORM} = ();
65
66     die "PLATFORM undefined, must be one of: @PLATFORM\n"
67         unless defined $ARGS{PLATFORM};
68     die "PLATFORM must be one of: @PLATFORM\n"
69         unless exists $PLATFORM{$ARGS{PLATFORM}};
70 }
71 use constant PLATFORM => $ARGS{PLATFORM};
72
73 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
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 = '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{$_} foreach qw(
211                                 PL_DBcv
212                                 PL_generation
213                                 PL_lastgotoprobe
214                                 PL_modcount
215                                 main
216                                  );
217         }
218     }
219 }
220
221 if ($ARGS{PLATFORM} ne 'vms') {
222     # VMS does its own thing for these symbols.
223     ++$skip{$_} foreach qw(
224                         PL_sig_handlers_initted
225                         PL_sig_ignoring
226                         PL_sig_defaulting
227                          );
228     if ($ARGS{PLATFORM} ne 'win32') {
229         ++$skip{$_} foreach qw(
230                             Perl_do_spawn
231                             Perl_do_spawn_nowait
232                             Perl_do_aspawn
233                              );
234     }
235 }
236
237 if ($ARGS{PLATFORM} ne 'win32') {
238     ++$skip{$_} foreach qw(
239                     Perl_my_setlocale
240                          );
241 }
242
243 unless ($define{UNLINK_ALL_VERSIONS}) {
244     ++$skip{Perl_unlnk};
245 }
246
247 unless ($define{'DEBUGGING'}) {
248     ++$skip{$_} foreach qw(
249                     Perl_debop
250                     Perl_debprofdump
251                     Perl_debstack
252                     Perl_debstackptrs
253                     Perl_pad_sv
254                     Perl_pad_setsv
255                     Perl__setlocale_debug_string
256                     Perl_set_padlist
257                     Perl_hv_assert
258                     PL_watchaddr
259                     PL_watchok
260                     PL_watch_pvx
261                          );
262 }
263
264 if ($define{'PERL_IMPLICIT_SYS'}) {
265     ++$skip{$_} foreach qw(
266                     Perl_my_popen
267                     Perl_my_pclose
268                          );
269     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
270     ++$export{perl_clone_host} if $define{USE_ITHREADS};
271 }
272 else {
273     ++$skip{$_} foreach qw(
274                     PL_Mem
275                     PL_MemShared
276                     PL_MemParse
277                     PL_Env
278                     PL_StdIO
279                     PL_LIO
280                     PL_Dir
281                     PL_Sock
282                     PL_Proc
283                     perl_alloc_using
284                     perl_clone_using
285                          );
286 }
287
288 if (!$define{'PERL_COPY_ON_WRITE'} || $define{'PERL_NO_COW'}) {
289     ++$skip{Perl_sv_setsv_cow};
290 }
291
292 unless ($define{PERL_SAWAMPERSAND}) {
293     ++$skip{PL_sawampersand};
294 }
295
296 unless ($define{'USE_REENTRANT_API'}) {
297     ++$skip{PL_reentrant_buffer};
298 }
299
300 if ($define{'MYMALLOC'}) {
301     try_symbols(qw(
302                     Perl_dump_mstats
303                     Perl_get_mstats
304                     Perl_strdup
305                     Perl_putenv
306                     MallocCfg_ptr
307                     MallocCfgP_ptr
308                     ));
309     unless ($define{USE_ITHREADS}) {
310         ++$skip{PL_malloc_mutex}
311     }
312 }
313 else {
314     ++$skip{$_} foreach qw(
315                     PL_malloc_mutex
316                     Perl_dump_mstats
317                     Perl_get_mstats
318                     MallocCfg_ptr
319                     MallocCfgP_ptr
320                          );
321 }
322
323 if ($define{'PERL_USE_SAFE_PUTENV'}) {
324     ++$skip{PL_use_safe_putenv};
325 }
326
327 unless ($define{'USE_ITHREADS'}) {
328     ++$skip{PL_thr_key};
329 }
330
331 # USE_5005THREADS symbols. Kept as reference for easier removal
332 ++$skip{$_} foreach qw(
333                     PL_sv_mutex
334                     PL_strtab_mutex
335                     PL_svref_mutex
336                     PL_cred_mutex
337                     PL_eval_mutex
338                     PL_fdpid_mutex
339                     PL_sv_lock_mutex
340                     PL_eval_cond
341                     PL_eval_owner
342                     PL_threads_mutex
343                     PL_nthreads
344                     PL_nthreads_cond
345                     PL_threadnum
346                     PL_threadsv_names
347                     PL_thrsv
348                     PL_vtbl_mutex
349                     Perl_condpair_magic
350                     Perl_new_struct_thread
351                     Perl_per_thread_magicals
352                     Perl_thread_create
353                     Perl_find_threadsv
354                     Perl_unlock_condpair
355                     Perl_magic_mutexfree
356                     Perl_sv_lock
357                      );
358
359 unless ($define{'USE_ITHREADS'}) {
360     ++$skip{$_} foreach qw(
361                     PL_check_mutex
362                     PL_op_mutex
363                     PL_regex_pad
364                     PL_regex_padav
365                     PL_dollarzero_mutex
366                     PL_hints_mutex
367                     PL_locale_mutex
368                     PL_my_ctx_mutex
369                     PL_perlio_mutex
370                     PL_stashpad
371                     PL_stashpadix
372                     PL_stashpadmax
373                     Perl_alloccopstash
374                     Perl_allocfilegv
375                     Perl_clone_params_del
376                     Perl_clone_params_new
377                     Perl_parser_dup
378                     Perl_dirp_dup
379                     Perl_cx_dup
380                     Perl_si_dup
381                     Perl_any_dup
382                     Perl_ss_dup
383                     Perl_fp_dup
384                     Perl_gp_dup
385                     Perl_he_dup
386                     Perl_mg_dup
387                     Perl_re_dup_guts
388                     Perl_sv_dup
389                     Perl_sv_dup_inc
390                     Perl_rvpv_dup
391                     Perl_hek_dup
392                     Perl_sys_intern_dup
393                     perl_clone
394                     perl_clone_using
395                     Perl_stashpv_hvname_match
396                     Perl_regdupe_internal
397                     Perl_newPADOP
398                          );
399 }
400
401 unless (   $define{'USE_ITHREADS'}
402         && $define{'HAS_NEWLOCALE'})
403 {
404     ++$skip{$_} foreach qw(
405         PL_C_locale_obj
406     );
407 }
408
409 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
410     ++$skip{$_} foreach qw(
411                     PL_my_cxt_index
412                     PL_my_cxt_list
413                     PL_my_cxt_size
414                     PL_my_cxt_keys
415                     Perl_croak_nocontext
416                     Perl_die_nocontext
417                     Perl_deb_nocontext
418                     Perl_form_nocontext
419                     Perl_load_module_nocontext
420                     Perl_mess_nocontext
421                     Perl_warn_nocontext
422                     Perl_warner_nocontext
423                     Perl_newSVpvf_nocontext
424                     Perl_sv_catpvf_nocontext
425                     Perl_sv_setpvf_nocontext
426                     Perl_sv_catpvf_mg_nocontext
427                     Perl_sv_setpvf_mg_nocontext
428                     Perl_my_cxt_init
429                     Perl_my_cxt_index
430                          );
431 }
432
433 unless ($define{'PERL_OP_PARENT'}) {
434     ++$skip{$_} foreach qw(
435                     Perl_op_parent
436                 );
437 }
438
439 unless ($define{'USE_DTRACE'}) {
440     ++$skip{$_} foreach qw(
441                     Perl_dtrace_probe_call
442                     Perl_dtrace_probe_load
443                     Perl_dtrace_probe_op
444                     Perl_dtrace_probe_phase
445                 );
446 }
447
448 unless ($define{'PERL_NEED_APPCTX'}) {
449     ++$skip{PL_appctx};
450 }
451
452 unless ($define{'PERL_NEED_TIMESBASE'}) {
453     ++$skip{PL_timesbase};
454 }
455
456 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
457     ++$skip{PL_sv_serial};
458 }
459
460 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
461     ++$skip{PL_dumper_fd};
462 }
463
464 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
465     ++$skip{Perl_gv_SVadd};
466 }
467
468 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
469     ++$skip{Perl_my_sprintf};
470 }
471
472 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
473     ++$skip{PL_pidstatus};
474 }
475
476 unless ($define{'PERL_TRACK_MEMPOOL'}) {
477     ++$skip{PL_memory_debug_header};
478 }
479
480 unless ($define{'MULTIPLICITY'}) {
481     ++$skip{$_} foreach qw(
482                     PL_interp_size
483                     PL_interp_size_5_18_0
484                          );
485 }
486
487 unless ($define{'PERL_GLOBAL_STRUCT'}) {
488     ++$skip{PL_global_struct_size};
489 }
490
491 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
492     ++$skip{$_} foreach qw(
493                     PL_my_cxt_keys
494                     Perl_my_cxt_index
495                          );
496 }
497
498 unless ($define{HAS_MMAP}) {
499     ++$skip{PL_mmap_page_size};
500 }
501
502 if ($define{HAS_SIGACTION}) {
503     ++$skip{PL_sig_trapped};
504
505     if ($ARGS{PLATFORM} eq 'vms') {
506         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
507         ++$skip{PL_sig_ignoring};
508         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
509     }
510 }
511
512 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
513     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
514     ++$skip{Perl_csighandler_init};
515     ++$skip{Perl_my_kill};
516     ++$skip{Perl_sig_to_vmscondition};
517     ++$skip{PL_sig_defaulting};
518     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
519 }
520
521 unless ($define{USE_LOCALE_COLLATE}) {
522     ++$skip{$_} foreach qw(
523                     PL_collation_ix
524                     PL_collation_name
525                     PL_collation_standard
526                     PL_collxfrm_base
527                     PL_collxfrm_mult
528                     Perl_sv_collxfrm
529                     Perl_sv_collxfrm_flags
530                          );
531 }
532
533 unless ($define{USE_LOCALE_NUMERIC}) {
534     ++$skip{$_} foreach qw(
535                     PL_numeric_local
536                     PL_numeric_name
537                     PL_numeric_radix_sv
538                     PL_numeric_standard
539                          );
540 }
541
542 unless ($define{'USE_C_BACKTRACE'}) {
543     ++$skip{Perl_get_c_backtrace_dump};
544     ++$skip{Perl_dump_c_backtrace};
545 }
546
547 unless ($define{HAVE_INTERP_INTERN}) {
548     ++$skip{$_} foreach qw(
549                     Perl_sys_intern_clear
550                     Perl_sys_intern_dup
551                     Perl_sys_intern_init
552                     PL_sys_intern
553                          );
554 }
555
556 if ($define{HAS_SIGNBIT}) {
557     ++$skip{Perl_signbit};
558 }
559
560 if ($define{'PERL_GLOBAL_STRUCT'}) {
561     readvar('perlvars.h', \%skip);
562     # This seems like the least ugly way to cope with the fact that PL_sh_path
563     # is mentioned in perlvar.h and globvar.sym, and always exported.
564     delete $skip{PL_sh_path};
565     ++$export{Perl_GetVars};
566     try_symbols(qw(PL_Vars PL_VarsPtr))
567       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
568 } else {
569     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
570 }
571
572 ++$skip{PL_op_exec_cnt}
573     unless $define{PERL_TRACE_OPS};
574
575 # functions from *.sym files
576
577 my @syms = qw(globvar.sym);
578
579 # Symbols that are the public face of the PerlIO layers implementation
580 # These are in _addition to_ the public face of the abstraction
581 # and need to be exported to allow XS modules to implement layers
582 my @layer_syms = qw(
583                     PerlIOBase_binmode
584                     PerlIOBase_clearerr
585                     PerlIOBase_close
586                     PerlIOBase_dup
587                     PerlIOBase_eof
588                     PerlIOBase_error
589                     PerlIOBase_fileno
590                     PerlIOBase_open
591                     PerlIOBase_noop_fail
592                     PerlIOBase_noop_ok
593                     PerlIOBase_popped
594                     PerlIOBase_pushed
595                     PerlIOBase_read
596                     PerlIOBase_setlinebuf
597                     PerlIOBase_unread
598                     PerlIOBuf_bufsiz
599                     PerlIOBuf_close
600                     PerlIOBuf_dup
601                     PerlIOBuf_fill
602                     PerlIOBuf_flush
603                     PerlIOBuf_get_base
604                     PerlIOBuf_get_cnt
605                     PerlIOBuf_get_ptr
606                     PerlIOBuf_open
607                     PerlIOBuf_popped
608                     PerlIOBuf_pushed
609                     PerlIOBuf_read
610                     PerlIOBuf_seek
611                     PerlIOBuf_set_ptrcnt
612                     PerlIOBuf_tell
613                     PerlIOBuf_unread
614                     PerlIOBuf_write
615                     PerlIO_allocate
616                     PerlIO_apply_layera
617                     PerlIO_apply_layers
618                     PerlIO_arg_fetch
619                     PerlIO_debug
620                     PerlIO_define_layer
621                     PerlIO_find_layer
622                     PerlIO_isutf8
623                     PerlIO_layer_fetch
624                     PerlIO_list_alloc
625                     PerlIO_list_free
626                     PerlIO_modestr
627                     PerlIO_parse_layers
628                     PerlIO_pending
629                     PerlIO_perlio
630                     PerlIO_pop
631                     PerlIO_push
632                     PerlIO_sv_dup
633                     Perl_PerlIO_clearerr
634                     Perl_PerlIO_close
635                     Perl_PerlIO_context_layers
636                     Perl_PerlIO_eof
637                     Perl_PerlIO_error
638                     Perl_PerlIO_fileno
639                     Perl_PerlIO_fill
640                     Perl_PerlIO_flush
641                     Perl_PerlIO_get_base
642                     Perl_PerlIO_get_bufsiz
643                     Perl_PerlIO_get_cnt
644                     Perl_PerlIO_get_ptr
645                     Perl_PerlIO_read
646                     Perl_PerlIO_restore_errno
647                     Perl_PerlIO_save_errno
648                     Perl_PerlIO_seek
649                     Perl_PerlIO_set_cnt
650                     Perl_PerlIO_set_ptrcnt
651                     Perl_PerlIO_setlinebuf
652                     Perl_PerlIO_stderr
653                     Perl_PerlIO_stdin
654                     Perl_PerlIO_stdout
655                     Perl_PerlIO_tell
656                     Perl_PerlIO_unread
657                     Perl_PerlIO_write
658 );
659 if ($ARGS{PLATFORM} eq 'netware') {
660     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
661 }
662
663 # Export the symbols that make up the PerlIO abstraction, regardless
664 # of its implementation - read from a file
665 push @syms, 'perlio.sym';
666
667 # PerlIO with layers - export implementation
668 try_symbols(@layer_syms, 'perlsio_binmode');
669
670
671 unless ($define{'USE_QUADMATH'}) {
672   ++$skip{Perl_quadmath_format_needed};
673   ++$skip{Perl_quadmath_format_single};
674 }
675
676 ###############################################################################
677
678 # At this point all skip lists should be completed, as we are about to test
679 # many symbols against them.
680
681 {
682     my %seen;
683     my ($embed) = setup_embed($ARGS{TARG_DIR});
684
685     foreach (@$embed) {
686         my ($flags, $retval, $func, @args) = @$_;
687         next unless $func;
688         if (   ($flags =~ /[AX]/ && $flags !~ /[xmi]/)
689             || ($flags =~ /b/ && ! $define{'NO_MATHOMS'}))
690         {
691             # public API, so export
692
693             # If a function is defined twice, for example before and after
694             # an #else, only export its name once. Important to do this test
695             # within the block, as the *first* definition may have flags which
696             # mean "don't export"
697             next if $seen{$func}++;
698             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
699             $func = "Perl_$func" if ($flags =~ /[pX]/ && $func !~ /^Perl_/);
700             ++$export{$func} unless exists $skip{$func};
701         }
702     }
703 }
704
705 foreach (@syms) {
706     my $syms = $ARGS{TARG_DIR} . $_;
707     open my $global, '<', $syms or die "failed to open $syms: $!\n";
708     while (<$global>) {
709         next unless /^([A-Za-z].*)/;
710         my $symbol = "$1";
711         ++$export{$symbol} unless exists $skip{$symbol};
712     }
713 }
714
715 # variables
716
717 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
718     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
719     # XXX AIX seems to want the perlvars.h symbols, for some reason
720     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
721         readvar('perlvars.h', \%export);
722     }
723 }
724 else {
725     unless ($define{'PERL_GLOBAL_STRUCT'}) {
726         readvar('perlvars.h', \%export);
727     }
728     unless ($define{MULTIPLICITY}) {
729         readvar('intrpvar.h', \%export);
730     }
731 }
732
733 # Oddities from PerlIO
734 # All have alternate implementations in perlio.c, so always exist.
735 # Should they be considered to be part of the API?
736 try_symbols(qw(
737                     PerlIO_binmode
738                     PerlIO_getpos
739                     PerlIO_init
740                     PerlIO_setpos
741                     PerlIO_tmpfile
742              ));
743
744 if ($ARGS{PLATFORM} eq 'win32') {
745     try_symbols(qw(
746                                  win32_free_childdir
747                                  win32_free_childenv
748                                  win32_get_childdir
749                                  win32_get_childenv
750                                  win32_spawnvp
751                  ));
752 }
753
754 if ($ARGS{PLATFORM} eq 'wince') {
755     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
756 }
757
758 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
759     try_symbols(qw(
760                             Perl_init_os_extras
761                             Perl_thread_create
762                             Perl_win32_init
763                             Perl_win32_term
764                             RunPerl
765                             win32_async_check
766                             win32_errno
767                             win32_environ
768                             win32_abort
769                             win32_fstat
770                             win32_stat
771                             win32_pipe
772                             win32_popen
773                             win32_pclose
774                             win32_rename
775                             win32_setmode
776                             win32_chsize
777                             win32_lseek
778                             win32_tell
779                             win32_dup
780                             win32_dup2
781                             win32_open
782                             win32_close
783                             win32_eof
784                             win32_isatty
785                             win32_read
786                             win32_write
787                             win32_mkdir
788                             win32_rmdir
789                             win32_chdir
790                             win32_flock
791                             win32_execv
792                             win32_execvp
793                             win32_htons
794                             win32_ntohs
795                             win32_htonl
796                             win32_ntohl
797                             win32_inet_addr
798                             win32_inet_ntoa
799                             win32_socket
800                             win32_bind
801                             win32_listen
802                             win32_accept
803                             win32_connect
804                             win32_send
805                             win32_sendto
806                             win32_recv
807                             win32_recvfrom
808                             win32_shutdown
809                             win32_closesocket
810                             win32_ioctlsocket
811                             win32_setsockopt
812                             win32_getsockopt
813                             win32_getpeername
814                             win32_getsockname
815                             win32_gethostname
816                             win32_gethostbyname
817                             win32_gethostbyaddr
818                             win32_getprotobyname
819                             win32_getprotobynumber
820                             win32_getservbyname
821                             win32_getservbyport
822                             win32_select
823                             win32_endhostent
824                             win32_endnetent
825                             win32_endprotoent
826                             win32_endservent
827                             win32_getnetent
828                             win32_getnetbyname
829                             win32_getnetbyaddr
830                             win32_getprotoent
831                             win32_getservent
832                             win32_sethostent
833                             win32_setnetent
834                             win32_setprotoent
835                             win32_setservent
836                             win32_getenv
837                             win32_putenv
838                             win32_perror
839                             win32_malloc
840                             win32_calloc
841                             win32_realloc
842                             win32_free
843                             win32_sleep
844                             win32_times
845                             win32_access
846                             win32_alarm
847                             win32_chmod
848                             win32_open_osfhandle
849                             win32_get_osfhandle
850                             win32_ioctl
851                             win32_link
852                             win32_unlink
853                             win32_utime
854                             win32_gettimeofday
855                             win32_uname
856                             win32_wait
857                             win32_waitpid
858                             win32_kill
859                             win32_str_os_error
860                             win32_opendir
861                             win32_readdir
862                             win32_telldir
863                             win32_seekdir
864                             win32_rewinddir
865                             win32_closedir
866                             win32_longpath
867                             win32_ansipath
868                             win32_os_id
869                             win32_getpid
870                             win32_crypt
871                             win32_dynaload
872                             win32_clearenv
873                             win32_stdin
874                             win32_stdout
875                             win32_stderr
876                             win32_ferror
877                             win32_feof
878                             win32_strerror
879                             win32_fprintf
880                             win32_printf
881                             win32_vfprintf
882                             win32_vprintf
883                             win32_fread
884                             win32_fwrite
885                             win32_fopen
886                             win32_fdopen
887                             win32_freopen
888                             win32_fclose
889                             win32_fputs
890                             win32_fputc
891                             win32_ungetc
892                             win32_getc
893                             win32_fileno
894                             win32_clearerr
895                             win32_fflush
896                             win32_ftell
897                             win32_fseek
898                             win32_fgetpos
899                             win32_fsetpos
900                             win32_rewind
901                             win32_tmpfile
902                             win32_setbuf
903                             win32_setvbuf
904                             win32_flushall
905                             win32_fcloseall
906                             win32_fgets
907                             win32_gets
908                             win32_fgetc
909                             win32_putc
910                             win32_puts
911                             win32_getchar
912                             win32_putchar
913                  ));
914 }
915 elsif ($ARGS{PLATFORM} eq 'vms') {
916     try_symbols(qw(
917                       Perl_cando
918                       Perl_cando_by_name
919                       Perl_closedir
920                       Perl_csighandler_init
921                       Perl_do_rmdir
922                       Perl_fileify_dirspec
923                       Perl_fileify_dirspec_ts
924                       Perl_fileify_dirspec_utf8
925                       Perl_fileify_dirspec_utf8_ts
926                       Perl_flex_fstat
927                       Perl_flex_lstat
928                       Perl_flex_stat
929                       Perl_kill_file
930                       Perl_my_chdir
931                       Perl_my_chmod
932                       Perl_my_crypt
933                       Perl_my_endpwent
934                       Perl_my_fclose
935                       Perl_my_fdopen
936                       Perl_my_fgetname
937                       Perl_my_flush
938                       Perl_my_fwrite
939                       Perl_my_gconvert
940                       Perl_my_getenv
941                       Perl_my_getenv_len
942                       Perl_my_getpwnam
943                       Perl_my_getpwuid
944                       Perl_my_gmtime
945                       Perl_my_kill
946                       Perl_my_killpg
947                       Perl_my_localtime
948                       Perl_my_mkdir
949                       Perl_my_sigaction
950                       Perl_my_symlink
951                       Perl_my_time
952                       Perl_my_tmpfile
953                       Perl_my_trnlnm
954                       Perl_my_utime
955                       Perl_my_waitpid
956                       Perl_opendir
957                       Perl_pathify_dirspec
958                       Perl_pathify_dirspec_ts
959                       Perl_pathify_dirspec_utf8
960                       Perl_pathify_dirspec_utf8_ts
961                       Perl_readdir
962                       Perl_readdir_r
963                       Perl_rename
964                       Perl_rmscopy
965                       Perl_rmsexpand
966                       Perl_rmsexpand_ts
967                       Perl_rmsexpand_utf8
968                       Perl_rmsexpand_utf8_ts
969                       Perl_seekdir
970                       Perl_sig_to_vmscondition
971                       Perl_telldir
972                       Perl_tounixpath
973                       Perl_tounixpath_ts
974                       Perl_tounixpath_utf8
975                       Perl_tounixpath_utf8_ts
976                       Perl_tounixspec
977                       Perl_tounixspec_ts
978                       Perl_tounixspec_utf8
979                       Perl_tounixspec_utf8_ts
980                       Perl_tovmspath
981                       Perl_tovmspath_ts
982                       Perl_tovmspath_utf8
983                       Perl_tovmspath_utf8_ts
984                       Perl_tovmsspec
985                       Perl_tovmsspec_ts
986                       Perl_tovmsspec_utf8
987                       Perl_tovmsspec_utf8_ts
988                       Perl_trim_unixpath
989                       Perl_vms_case_tolerant
990                       Perl_vms_do_aexec
991                       Perl_vms_do_exec
992                       Perl_vms_image_init
993                       Perl_vms_realpath
994                       Perl_vmssetenv
995                       Perl_vmssetuserlnm
996                       Perl_vmstrnenv
997                       PerlIO_openn
998                  ));
999 }
1000 elsif ($ARGS{PLATFORM} eq 'os2') {
1001     try_symbols(qw(
1002                       ctermid
1003                       get_sysinfo
1004                       Perl_OS2_init
1005                       Perl_OS2_init3
1006                       Perl_OS2_term
1007                       OS2_Perl_data
1008                       dlopen
1009                       dlsym
1010                       dlerror
1011                       dlclose
1012                       dup2
1013                       dup
1014                       my_tmpfile
1015                       my_tmpnam
1016                       my_flock
1017                       my_rmdir
1018                       my_mkdir
1019                       my_getpwuid
1020                       my_getpwnam
1021                       my_getpwent
1022                       my_setpwent
1023                       my_endpwent
1024                       fork_with_resources
1025                       croak_with_os2error
1026                       setgrent
1027                       endgrent
1028                       getgrent
1029                       malloc_mutex
1030                       threads_mutex
1031                       nthreads
1032                       nthreads_cond
1033                       os2_cond_wait
1034                       os2_stat
1035                       os2_execname
1036                       async_mssleep
1037                       msCounter
1038                       InfoTable
1039                       pthread_join
1040                       pthread_create
1041                       pthread_detach
1042                       XS_Cwd_change_drive
1043                       XS_Cwd_current_drive
1044                       XS_Cwd_extLibpath
1045                       XS_Cwd_extLibpath_set
1046                       XS_Cwd_sys_abspath
1047                       XS_Cwd_sys_chdir
1048                       XS_Cwd_sys_cwd
1049                       XS_Cwd_sys_is_absolute
1050                       XS_Cwd_sys_is_relative
1051                       XS_Cwd_sys_is_rooted
1052                       XS_DynaLoader_mod2fname
1053                       XS_File__Copy_syscopy
1054                       Perl_Register_MQ
1055                       Perl_Deregister_MQ
1056                       Perl_Serve_Messages
1057                       Perl_Process_Messages
1058                       init_PMWIN_entries
1059                       PMWIN_entries
1060                       Perl_hab_GET
1061                       loadByOrdinal
1062                       pExtFCN
1063                       os2error
1064                       ResetWinError
1065                       CroakWinError
1066                       PL_do_undump
1067                  ));
1068 }
1069 elsif ($ARGS{PLATFORM} eq 'netware') {
1070     try_symbols(qw(
1071                         Perl_init_os_extras
1072                         Perl_thread_create
1073                         Perl_nw5_init
1074                         RunPerl
1075                         AllocStdPerl
1076                         FreeStdPerl
1077                         do_spawn2
1078                         do_aspawn
1079                         nw_uname
1080                         nw_stdin
1081                         nw_stdout
1082                         nw_stderr
1083                         nw_feof
1084                         nw_ferror
1085                         nw_fopen
1086                         nw_fclose
1087                         nw_clearerr
1088                         nw_getc
1089                         nw_fgets
1090                         nw_fputc
1091                         nw_fputs
1092                         nw_fflush
1093                         nw_ungetc
1094                         nw_fileno
1095                         nw_fdopen
1096                         nw_freopen
1097                         nw_fread
1098                         nw_fwrite
1099                         nw_setbuf
1100                         nw_setvbuf
1101                         nw_vfprintf
1102                         nw_ftell
1103                         nw_fseek
1104                         nw_rewind
1105                         nw_tmpfile
1106                         nw_fgetpos
1107                         nw_fsetpos
1108                         nw_dup
1109                         nw_access
1110                         nw_chmod
1111                         nw_chsize
1112                         nw_close
1113                         nw_dup2
1114                         nw_flock
1115                         nw_isatty
1116                         nw_link
1117                         nw_lseek
1118                         nw_stat
1119                         nw_mktemp
1120                         nw_open
1121                         nw_read
1122                         nw_rename
1123                         nw_setmode
1124                         nw_unlink
1125                         nw_utime
1126                         nw_write
1127                         nw_chdir
1128                         nw_rmdir
1129                         nw_closedir
1130                         nw_opendir
1131                         nw_readdir
1132                         nw_rewinddir
1133                         nw_seekdir
1134                         nw_telldir
1135                         nw_htonl
1136                         nw_htons
1137                         nw_ntohl
1138                         nw_ntohs
1139                         nw_accept
1140                         nw_bind
1141                         nw_connect
1142                         nw_endhostent
1143                         nw_endnetent
1144                         nw_endprotoent
1145                         nw_endservent
1146                         nw_gethostbyaddr
1147                         nw_gethostbyname
1148                         nw_gethostent
1149                         nw_gethostname
1150                         nw_getnetbyaddr
1151                         nw_getnetbyname
1152                         nw_getnetent
1153                         nw_getpeername
1154                         nw_getprotobyname
1155                         nw_getprotobynumber
1156                         nw_getprotoent
1157                         nw_getservbyname
1158                         nw_getservbyport
1159                         nw_getservent
1160                         nw_getsockname
1161                         nw_getsockopt
1162                         nw_inet_addr
1163                         nw_listen
1164                         nw_socket
1165                         nw_recv
1166                         nw_recvfrom
1167                         nw_select
1168                         nw_send
1169                         nw_sendto
1170                         nw_sethostent
1171                         nw_setnetent
1172                         nw_setprotoent
1173                         nw_setservent
1174                         nw_setsockopt
1175                         nw_inet_ntoa
1176                         nw_shutdown
1177                         nw_crypt
1178                         nw_execvp
1179                         nw_kill
1180                         nw_Popen
1181                         nw_Pclose
1182                         nw_Pipe
1183                         nw_times
1184                         nw_waitpid
1185                         nw_getpid
1186                         nw_spawnvp
1187                         nw_os_id
1188                         nw_open_osfhandle
1189                         nw_get_osfhandle
1190                         nw_abort
1191                         nw_sleep
1192                         nw_wait
1193                         nw_dynaload
1194                         nw_strerror
1195                         fnFpSetMode
1196                         fnInsertHashListAddrs
1197                         fnGetHashListAddrs
1198                         Perl_deb
1199                         Perl_sv_setsv
1200                         Perl_sv_catsv
1201                         Perl_sv_catpvn
1202                         Perl_sv_2pv
1203                         nw_freeenviron
1204                         Remove_Thread_Ctx
1205                  ));
1206 }
1207
1208 # When added this code was only run for Win32 and WinCE
1209 # Currently only Win32 links static extensions into the shared library.
1210 # The WinCE makefile doesn't appear to support static extensions, so this code
1211 # can't have any effect there.
1212 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1213 # list of dynamic extensions, and the rules to build them)
1214 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1215 # static extensions with -fPIC, but links them to perl, not libperl.so
1216 # The VMS build scripts don't yet implement static extensions at all.
1217
1218 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1219     # records of type boot_module for statically linked modules (except Dynaloader)
1220     my $static_ext = $Config{static_ext} // "";
1221     $static_ext =~ s/\//__/g;
1222     $static_ext =~ s/\bDynaLoader\b//;
1223     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1224     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1225 }
1226
1227 if ($ARGS{PLATFORM} eq 'os2') {
1228     my (%mapped, @missing);
1229     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1230     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1231     close MAP or die 'Cannot close miniperl.map';
1232
1233     @missing = grep { !exists $mapped{$_} }
1234                     keys %export;
1235     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1236     delete $export{$_} foreach @missing;
1237 }
1238
1239 ###############################################################################
1240
1241 # Now all symbols should be defined because next we are going to output them.
1242
1243 # Start with platform specific headers:
1244
1245 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1246     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1247         : "perl$Config{api_revision}$Config{api_version}";
1248     print "LIBRARY $dll\n";
1249     # The DESCRIPTION module definition file statement is not supported
1250     # by VC7 onwards.
1251     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1252         print "DESCRIPTION 'Perl interpreter'\n";
1253     }
1254     print "EXPORTS\n";
1255 }
1256 elsif ($ARGS{PLATFORM} eq 'os2') {
1257     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1258     $v .= '-thread' if $Config{archname} =~ /-thread/;
1259     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1260     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1261     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1262     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1263     print <<"---EOP---";
1264 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1265 $d
1266 STACKSIZE 32768
1267 CODE LOADONCALL
1268 DATA LOADONCALL NONSHARED MULTIPLE
1269 EXPORTS
1270 ---EOP---
1271 }
1272 elsif ($ARGS{PLATFORM} eq 'aix') {
1273     my $OSVER = `uname -v`;
1274     chop $OSVER;
1275     my $OSREL = `uname -r`;
1276     chop $OSREL;
1277     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1278         print "#! ..\n";
1279     } else {
1280         print "#!\n";
1281     }
1282 }
1283 elsif ($ARGS{PLATFORM} eq 'netware') {
1284         if ($ARGS{FILETYPE} eq 'def') {
1285         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1286         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1287         print "EXPORTS\n";
1288         }
1289 }
1290
1291 # Then the symbols
1292
1293 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1294 foreach my $symbol (@symbols) {
1295     if (PLATFORM eq 'win32' || PLATFORM eq 'wince') {
1296         # Remembering the origin file of each symbol is an alternative to PL_ matching
1297         if (substr($symbol, 0, 3) eq 'PL_') {
1298             print "\t$symbol DATA\n";
1299         }
1300         else {
1301             print "\t$symbol\n";
1302         }
1303     }
1304     elsif (PLATFORM eq 'os2') {
1305         printf qq(    %-31s \@%s\n),
1306           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1307         printf qq(    %-31s \@%s\n),
1308           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1309           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1310           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1311     }
1312     elsif (PLATFORM eq 'netware') {
1313         print "\t$symbol,\n";
1314     } else {
1315         print "$symbol\n";
1316     }
1317 }
1318
1319 # Then platform specific footers.
1320
1321 if ($ARGS{PLATFORM} eq 'os2') {
1322     print <<EOP;
1323     dll_perlmain=main
1324     fill_extLibpath
1325     dir_subst
1326     Perl_OS2_handler_install
1327
1328 ; LAST_ORDINAL=$sym_ord
1329 EOP
1330 }
1331
1332 1;