Add common UTF-8 first byte to ANYOFH regnodes
[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{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
111                                            |KILL_BY_SIGPRC
112                                            |(?:PERL|USE|HAS)_\w+)\b/x;
113 }
114 close(CFG);
115
116 # perl.h logic duplication begins
117
118 if ($define{USE_ITHREADS}) {
119     if (!$define{MULTIPLICITY}) {
120         $define{MULTIPLICITY} = 1;
121     }
122 }
123
124 $define{PERL_IMPLICIT_CONTEXT} ||=
125     $define{USE_ITHREADS} ||
126     $define{MULTIPLICITY} ;
127
128 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'netware') {
129     $define{USE_REENTRANT_API} = 1;
130 }
131
132 if (! $define{NO_LOCALE}) {
133     if ( ! $define{NO_POSIX_2008_LOCALE}
134         && $define{HAS_NEWLOCALE}
135         && $define{HAS_USELOCALE}
136         && $define{HAS_DUPLOCALE}
137         && $define{HAS_FREELOCALE})
138     {
139         $define{HAS_POSIX_2008_LOCALE} = 1;
140         $define{USE_LOCALE} = 1;
141     }
142     elsif ($define{HAS_SETLOCALE}) {
143         $define{USE_LOCALE} = 1;
144     }
145 }
146
147 my $cctype = $ARGS{CCTYPE} =~ s/MSVC//r;
148 if (! $define{HAS_SETLOCALE} && $define{HAS_POSIX_2008_LOCALE}) {
149     $define{USE_POSIX_2008_LOCALE} = 1;
150     $define{USE_THREAD_SAFE_LOCALE} = 1;
151 }
152 elsif (   ($define{USE_ITHREADS} || $define{USE_THREAD_SAFE_LOCALE})
153        && (    $define{HAS_POSIX_2008_LOCALE}
154            || ($ARGS{PLATFORM} eq 'win32' && (   $cctype !~ /\D/
155                                               && $cctype >= 80)))
156        && ! $define{NO_THREAD_SAFE_LOCALE})
157 {
158     $define{USE_THREAD_SAFE_LOCALE} = 1 unless $define{USE_THREAD_SAFE_LOCALE};
159     $define{USE_POSIX_2008_LOCALE} = 1 if $define{HAS_POSIX_2008_LOCALE};
160 }
161
162 if (   $ARGS{PLATFORM} eq 'win32'
163     && $define{USE_THREAD_SAFE_LOCALE}
164     && $cctype < 140)
165 {
166     $define{TS_W32_BROKEN_LOCALECONV} = 1;
167 }
168
169 # perl.h logic duplication ends
170
171 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
172      unless $ARGS{PLATFORM} eq 'test';
173
174 my $sym_ord = 0;
175 my %ordinal;
176
177 if ($ARGS{PLATFORM} eq 'os2') {
178     if (open my $fh, '<', 'perl5.def') {
179       while (<$fh>) {
180         last if /^\s*EXPORTS\b/;
181       }
182       while (<$fh>) {
183         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
184         # This allows skipping ordinals which were used in older versions
185         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
186       }
187       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
188     }
189 }
190
191 my %skip;
192 # All platforms export boot_DynaLoader unconditionally.
193 my %export = ( boot_DynaLoader => 1 );
194
195 sub try_symbols {
196     foreach my $symbol (@_) {
197         ++$export{$symbol} unless exists $skip{$symbol};
198     }
199 }
200
201 sub readvar {
202     # $hash is the hash that we're adding to. For one of our callers, it will
203     # actually be the skip hash but that doesn't affect the intent of what
204     # we're doing, as in that case we skip adding something to the skip hash
205     # for the second time.
206
207     my $file = $ARGS{TARG_DIR} . shift;
208     my $hash = shift;
209     my $proc = shift;
210     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
211
212     while (<$vars>) {
213         # All symbols have a Perl_ prefix because that's what embed.h sticks
214         # in front of them.  The A?I?S?C? is strictly speaking wrong.
215         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
216
217         my $var = "PL_$3";
218         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
219         ++$hash->{$symbol} unless exists $skip{$var};
220     }
221 }
222
223 if ($ARGS{PLATFORM} ne 'os2') {
224     ++$skip{$_} foreach qw(
225                      PL_cryptseen
226                      PL_opsave
227                      Perl_GetVars
228                      Perl_dump_fds
229                      Perl_my_bcopy
230                      Perl_my_bzero
231                      Perl_my_chsize
232                      Perl_my_htonl
233                      Perl_my_memcmp
234                      Perl_my_memset
235                      Perl_my_ntohl
236                      Perl_my_swap
237                          );
238     if ($ARGS{PLATFORM} eq 'vms') {
239         ++$skip{PL_statusvalue_posix};
240         # This is a wrapper if we have symlink, not a replacement
241         # if we don't.
242         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
243     } else {
244         ++$skip{PL_statusvalue_vms};
245         ++$skip{PL_perllib_sep};
246         if ($ARGS{PLATFORM} ne 'aix') {
247             ++$skip{$_} foreach qw(
248                                 PL_DBcv
249                                 PL_generation
250                                 PL_lastgotoprobe
251                                 PL_modcount
252                                 main
253                                  );
254         }
255     }
256 }
257
258 if ($ARGS{PLATFORM} ne 'vms') {
259     # VMS does its own thing for these symbols.
260     ++$skip{$_} foreach qw(
261                         PL_sig_handlers_initted
262                         PL_sig_ignoring
263                         PL_sig_defaulting
264                          );
265     if ($ARGS{PLATFORM} ne 'win32') {
266         ++$skip{$_} foreach qw(
267                             Perl_do_spawn
268                             Perl_do_spawn_nowait
269                             Perl_do_aspawn
270                              );
271     }
272 }
273
274 if ($ARGS{PLATFORM} ne 'win32') {
275     ++$skip{$_} foreach qw(
276                     Perl_my_setlocale
277                          );
278 }
279
280 unless ($define{UNLINK_ALL_VERSIONS}) {
281     ++$skip{Perl_unlnk};
282 }
283
284 unless ($define{'DEBUGGING'}) {
285     ++$skip{$_} foreach qw(
286                     Perl_debop
287                     Perl_debprofdump
288                     Perl_debstack
289                     Perl_debstackptrs
290                     Perl_pad_sv
291                     Perl_pad_setsv
292                     Perl__setlocale_debug_string
293                     Perl_set_padlist
294                     Perl_hv_assert
295                     PL_watchaddr
296                     PL_watchok
297                          );
298 }
299
300 if ($define{'PERL_IMPLICIT_SYS'}) {
301     ++$skip{$_} foreach qw(
302                     Perl_my_popen
303                     Perl_my_pclose
304                          );
305     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
306     ++$export{perl_clone_host} if $define{USE_ITHREADS};
307 }
308 else {
309     ++$skip{$_} foreach qw(
310                     PL_Mem
311                     PL_MemShared
312                     PL_MemParse
313                     PL_Env
314                     PL_StdIO
315                     PL_LIO
316                     PL_Dir
317                     PL_Sock
318                     PL_Proc
319                     perl_alloc_using
320                     perl_clone_using
321                          );
322 }
323
324 if (!$define{'PERL_COPY_ON_WRITE'} || $define{'PERL_NO_COW'}) {
325     ++$skip{Perl_sv_setsv_cow};
326 }
327
328 unless ($define{PERL_SAWAMPERSAND}) {
329     ++$skip{PL_sawampersand};
330 }
331
332 unless ($define{'USE_REENTRANT_API'}) {
333     ++$skip{PL_reentrant_buffer};
334 }
335
336 if ($define{'MYMALLOC'}) {
337     try_symbols(qw(
338                     Perl_dump_mstats
339                     Perl_get_mstats
340                     Perl_strdup
341                     Perl_putenv
342                     MallocCfg_ptr
343                     MallocCfgP_ptr
344                     ));
345     unless ($define{USE_ITHREADS}) {
346         ++$skip{PL_malloc_mutex}
347     }
348 }
349 else {
350     ++$skip{$_} foreach qw(
351                     PL_malloc_mutex
352                     Perl_dump_mstats
353                     Perl_get_mstats
354                     MallocCfg_ptr
355                     MallocCfgP_ptr
356                          );
357 }
358
359 if ($define{'PERL_USE_SAFE_PUTENV'}) {
360     ++$skip{PL_use_safe_putenv};
361 }
362
363 unless ($define{'USE_ITHREADS'}) {
364     ++$skip{PL_thr_key};
365     ++$skip{PL_user_prop_mutex};
366     ++$skip{PL_user_def_props_aTHX};
367 }
368
369 # USE_5005THREADS symbols. Kept as reference for easier removal
370 ++$skip{$_} foreach qw(
371                     PL_sv_mutex
372                     PL_strtab_mutex
373                     PL_svref_mutex
374                     PL_cred_mutex
375                     PL_eval_mutex
376                     PL_fdpid_mutex
377                     PL_sv_lock_mutex
378                     PL_eval_cond
379                     PL_eval_owner
380                     PL_threads_mutex
381                     PL_nthreads
382                     PL_nthreads_cond
383                     PL_threadnum
384                     PL_threadsv_names
385                     PL_thrsv
386                     PL_vtbl_mutex
387                     Perl_condpair_magic
388                     Perl_new_struct_thread
389                     Perl_per_thread_magicals
390                     Perl_thread_create
391                     Perl_find_threadsv
392                     Perl_unlock_condpair
393                     Perl_magic_mutexfree
394                     Perl_sv_lock
395                      );
396
397 unless ($define{'USE_ITHREADS'}) {
398     ++$skip{$_} foreach qw(
399                     PL_keyword_plugin_mutex
400                     PL_check_mutex
401                     PL_op_mutex
402                     PL_regex_pad
403                     PL_regex_padav
404                     PL_dollarzero_mutex
405                     PL_hints_mutex
406                     PL_locale_mutex
407                     PL_lc_numeric_mutex
408                     PL_lc_numeric_mutex_depth
409                     PL_my_ctx_mutex
410                     PL_perlio_mutex
411                     PL_stashpad
412                     PL_stashpadix
413                     PL_stashpadmax
414                     Perl_alloccopstash
415                     Perl_allocfilegv
416                     Perl_clone_params_del
417                     Perl_clone_params_new
418                     Perl_parser_dup
419                     Perl_dirp_dup
420                     Perl_cx_dup
421                     Perl_si_dup
422                     Perl_any_dup
423                     Perl_ss_dup
424                     Perl_fp_dup
425                     Perl_gp_dup
426                     Perl_he_dup
427                     Perl_mg_dup
428                     Perl_re_dup_guts
429                     Perl_sv_dup
430                     Perl_sv_dup_inc
431                     Perl_rvpv_dup
432                     Perl_hek_dup
433                     Perl_sys_intern_dup
434                     perl_clone
435                     perl_clone_using
436                     Perl_stashpv_hvname_match
437                     Perl_regdupe_internal
438                     Perl_newPADOP
439                          );
440 }
441
442 if (      $define{NO_LOCALE}
443     || (! $define{USE_ITHREADS} && ! $define{USE_THREAD_SAFE_LOCALE}))
444 {
445     ++$skip{$_} foreach qw(
446         PL_C_locale_obj
447         PL_curlocales
448     );
449 }
450
451 unless ( $define{'HAS_NEWLOCALE'}
452     &&   $define{'HAS_FREELOCALE'}
453     &&   $define{'HAS_USELOCALE'}
454     && ! $define{'NO_POSIX_2008_LOCALE'})
455 {
456     ++$skip{$_} foreach qw(
457         PL_C_locale_obj
458         PL_underlying_numeric_obj
459     );
460 }
461
462 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
463     ++$skip{$_} foreach qw(
464                     PL_my_cxt_index
465                     PL_my_cxt_list
466                     PL_my_cxt_size
467                     PL_my_cxt_keys
468                     PL_my_cxt_keys_size
469                     Perl_croak_nocontext
470                     Perl_die_nocontext
471                     Perl_deb_nocontext
472                     Perl_form_nocontext
473                     Perl_load_module_nocontext
474                     Perl_mess_nocontext
475                     Perl_warn_nocontext
476                     Perl_warner_nocontext
477                     Perl_newSVpvf_nocontext
478                     Perl_sv_catpvf_nocontext
479                     Perl_sv_setpvf_nocontext
480                     Perl_sv_catpvf_mg_nocontext
481                     Perl_sv_setpvf_mg_nocontext
482                     Perl_my_cxt_init
483                     Perl_my_cxt_index
484                          );
485 }
486
487 if ($define{USE_THREAD_SAFE_LOCALE}) {
488     ++$skip{PL_lc_numeric_mutex};
489     ++$skip{PL_lc_numeric_mutex_depth};
490     if (! $define{TS_W32_BROKEN_LOCALECONV}) {
491         ++$skip{PL_locale_mutex};
492     }
493 }
494
495 unless ($define{'USE_DTRACE'}) {
496     ++$skip{$_} foreach qw(
497                     Perl_dtrace_probe_call
498                     Perl_dtrace_probe_load
499                     Perl_dtrace_probe_op
500                     Perl_dtrace_probe_phase
501                 );
502 }
503
504 unless ($define{'PERL_NEED_APPCTX'}) {
505     ++$skip{PL_appctx};
506 }
507
508 unless ($define{'PERL_NEED_TIMESBASE'}) {
509     ++$skip{PL_timesbase};
510 }
511
512 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
513     ++$skip{PL_sv_serial};
514 }
515
516 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
517     ++$skip{PL_dumper_fd};
518 }
519
520 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
521     ++$skip{Perl_gv_SVadd};
522 }
523
524 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
525     ++$skip{PL_pidstatus};
526 }
527
528 unless ($define{'PERL_TRACK_MEMPOOL'}) {
529     ++$skip{PL_memory_debug_header};
530 }
531
532 unless ($define{'MULTIPLICITY'}) {
533     ++$skip{$_} foreach qw(
534                     PL_interp_size
535                     PL_interp_size_5_18_0
536                     PL_sv_yes
537                     PL_sv_undef
538                     PL_sv_no
539                     PL_sv_zero
540                          );
541 }
542
543 unless ($define{'PERL_GLOBAL_STRUCT'}) {
544     ++$skip{PL_global_struct_size};
545 }
546
547 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
548     ++$skip{$_} foreach qw(
549                     PL_my_cxt_keys
550                     PL_my_cxt_keys_size
551                     Perl_my_cxt_index
552                          );
553 }
554
555 unless ($define{HAS_MMAP}) {
556     ++$skip{PL_mmap_page_size};
557 }
558
559 if ($define{HAS_SIGACTION}) {
560     ++$skip{PL_sig_trapped};
561
562     if ($ARGS{PLATFORM} eq 'vms') {
563         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
564         ++$skip{PL_sig_ignoring};
565         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
566     }
567 }
568
569 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
570     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
571     ++$skip{Perl_csighandler_init};
572     ++$skip{Perl_my_kill};
573     ++$skip{Perl_sig_to_vmscondition};
574     ++$skip{PL_sig_defaulting};
575     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
576 }
577
578 if ($define{'HAS_STRNLEN'})
579 {
580     ++$skip{Perl_my_strnlen};
581 }
582
583 unless ($define{USE_LOCALE_COLLATE}) {
584     ++$skip{$_} foreach qw(
585                     PL_collation_ix
586                     PL_collation_name
587                     PL_collation_standard
588                     PL_collxfrm_base
589                     PL_collxfrm_mult
590                     Perl_sv_collxfrm
591                     Perl_sv_collxfrm_flags
592                     PL_strxfrm_NUL_replacement
593                     PL_strxfrm_is_behaved
594                     PL_strxfrm_max_cp
595                          );
596 }
597
598 unless ($define{USE_LOCALE_NUMERIC}) {
599     ++$skip{$_} foreach qw(
600                     PL_numeric_local
601                     PL_numeric_name
602                     PL_numeric_radix_sv
603                     PL_numeric_standard
604                     PL_numeric_underlying
605                     PL_numeric_underlying_is_standard
606                     PL_underlying_numeric_obj
607                          );
608 }
609
610 unless ($define{'USE_C_BACKTRACE'}) {
611     ++$skip{Perl_get_c_backtrace_dump};
612     ++$skip{Perl_dump_c_backtrace};
613 }
614
615 unless ($define{HAVE_INTERP_INTERN}) {
616     ++$skip{$_} foreach qw(
617                     Perl_sys_intern_clear
618                     Perl_sys_intern_dup
619                     Perl_sys_intern_init
620                     PL_sys_intern
621                          );
622 }
623
624 if ($define{HAS_SIGNBIT}) {
625     ++$skip{Perl_signbit};
626 }
627
628 if ($define{'PERL_GLOBAL_STRUCT'}) {
629     readvar('perlvars.h', \%skip);
630     # This seems like the least ugly way to cope with the fact that PL_sh_path
631     # is mentioned in perlvar.h and globvar.sym, and always exported.
632     delete $skip{PL_sh_path};
633     ++$export{Perl_GetVars};
634     try_symbols(qw(PL_Vars PL_VarsPtr))
635       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
636 } else {
637     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
638 }
639
640 ++$skip{PL_op_exec_cnt}
641     unless $define{PERL_TRACE_OPS};
642
643 ++$skip{PL_hash_chars}
644     unless $define{PERL_USE_SINGLE_CHAR_HASH_CACHE};
645
646 # functions from *.sym files
647
648 my @syms = qw(globvar.sym);
649
650 # Symbols that are the public face of the PerlIO layers implementation
651 # These are in _addition to_ the public face of the abstraction
652 # and need to be exported to allow XS modules to implement layers
653 my @layer_syms = qw(
654                     PerlIOBase_binmode
655                     PerlIOBase_clearerr
656                     PerlIOBase_close
657                     PerlIOBase_dup
658                     PerlIOBase_eof
659                     PerlIOBase_error
660                     PerlIOBase_fileno
661                     PerlIOBase_open
662                     PerlIOBase_noop_fail
663                     PerlIOBase_noop_ok
664                     PerlIOBase_popped
665                     PerlIOBase_pushed
666                     PerlIOBase_read
667                     PerlIOBase_setlinebuf
668                     PerlIOBase_unread
669                     PerlIOBuf_bufsiz
670                     PerlIOBuf_close
671                     PerlIOBuf_dup
672                     PerlIOBuf_fill
673                     PerlIOBuf_flush
674                     PerlIOBuf_get_base
675                     PerlIOBuf_get_cnt
676                     PerlIOBuf_get_ptr
677                     PerlIOBuf_open
678                     PerlIOBuf_popped
679                     PerlIOBuf_pushed
680                     PerlIOBuf_read
681                     PerlIOBuf_seek
682                     PerlIOBuf_set_ptrcnt
683                     PerlIOBuf_tell
684                     PerlIOBuf_unread
685                     PerlIOBuf_write
686                     PerlIO_allocate
687                     PerlIO_apply_layera
688                     PerlIO_apply_layers
689                     PerlIO_arg_fetch
690                     PerlIO_debug
691                     PerlIO_define_layer
692                     PerlIO_find_layer
693                     PerlIO_isutf8
694                     PerlIO_layer_fetch
695                     PerlIO_list_alloc
696                     PerlIO_list_free
697                     PerlIO_modestr
698                     PerlIO_parse_layers
699                     PerlIO_pending
700                     PerlIO_perlio
701                     PerlIO_pop
702                     PerlIO_push
703                     PerlIO_sv_dup
704                     Perl_PerlIO_clearerr
705                     Perl_PerlIO_close
706                     Perl_PerlIO_context_layers
707                     Perl_PerlIO_eof
708                     Perl_PerlIO_error
709                     Perl_PerlIO_fileno
710                     Perl_PerlIO_fill
711                     Perl_PerlIO_flush
712                     Perl_PerlIO_get_base
713                     Perl_PerlIO_get_bufsiz
714                     Perl_PerlIO_get_cnt
715                     Perl_PerlIO_get_ptr
716                     Perl_PerlIO_read
717                     Perl_PerlIO_restore_errno
718                     Perl_PerlIO_save_errno
719                     Perl_PerlIO_seek
720                     Perl_PerlIO_set_cnt
721                     Perl_PerlIO_set_ptrcnt
722                     Perl_PerlIO_setlinebuf
723                     Perl_PerlIO_stderr
724                     Perl_PerlIO_stdin
725                     Perl_PerlIO_stdout
726                     Perl_PerlIO_tell
727                     Perl_PerlIO_unread
728                     Perl_PerlIO_write
729 );
730 if ($ARGS{PLATFORM} eq 'netware') {
731     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
732 }
733
734 # Export the symbols that make up the PerlIO abstraction, regardless
735 # of its implementation - read from a file
736 push @syms, 'perlio.sym';
737
738 # PerlIO with layers - export implementation
739 try_symbols(@layer_syms, 'perlsio_binmode');
740
741
742 unless ($define{'USE_QUADMATH'}) {
743   ++$skip{Perl_quadmath_format_needed};
744   ++$skip{Perl_quadmath_format_single};
745 }
746
747 ###############################################################################
748
749 # At this point all skip lists should be completed, as we are about to test
750 # many symbols against them.
751
752 {
753     my %seen;
754     my ($embed) = setup_embed($ARGS{TARG_DIR});
755     my $excludedre = $define{'NO_MATHOMS'} ? qr/[xmib]/ : qr/[xmi]/;
756
757     foreach (@$embed) {
758         my ($flags, $retval, $func, @args) = @$_;
759         next unless $func;
760         if (($flags =~ /[AX]/ && $flags !~ $excludedre)
761             || (!$define{'NO_MATHOMS'} && $flags =~ /b/))
762         {
763             # public API, so export
764
765             # If a function is defined twice, for example before and after
766             # an #else, only export its name once. Important to do this test
767             # within the block, as the *first* definition may have flags which
768             # mean "don't export"
769             next if $seen{$func}++;
770             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
771             $func = "Perl_$func" if ($flags =~ /[pX]/ && $func !~ /^Perl_/);
772             ++$export{$func} unless exists $skip{$func};
773         }
774     }
775 }
776
777 foreach (@syms) {
778     my $syms = $ARGS{TARG_DIR} . $_;
779     open my $global, '<', $syms or die "failed to open $syms: $!\n";
780     while (<$global>) {
781         next unless /^([A-Za-z].*)/;
782         my $symbol = "$1";
783         ++$export{$symbol} unless exists $skip{$symbol};
784     }
785 }
786
787 # variables
788
789 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
790     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
791     # XXX AIX seems to want the perlvars.h symbols, for some reason
792     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
793         readvar('perlvars.h', \%export);
794     }
795 }
796 else {
797     unless ($define{'PERL_GLOBAL_STRUCT'}) {
798         readvar('perlvars.h', \%export);
799     }
800     unless ($define{MULTIPLICITY}) {
801         readvar('intrpvar.h', \%export);
802     }
803 }
804
805 # Oddities from PerlIO
806 # All have alternate implementations in perlio.c, so always exist.
807 # Should they be considered to be part of the API?
808 try_symbols(qw(
809                     PerlIO_binmode
810                     PerlIO_getpos
811                     PerlIO_init
812                     PerlIO_setpos
813                     PerlIO_tmpfile
814              ));
815
816 if ($ARGS{PLATFORM} eq 'win32') {
817     try_symbols(qw(
818                                  win32_free_childdir
819                                  win32_free_childenv
820                                  win32_get_childdir
821                                  win32_get_childenv
822                                  win32_spawnvp
823                  ));
824 }
825
826 if ($ARGS{PLATFORM} eq 'wince') {
827     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
828 }
829
830 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
831     try_symbols(qw(
832                             Perl_init_os_extras
833                             Perl_thread_create
834                             Perl_win32_init
835                             Perl_win32_term
836                             RunPerl
837                             win32_async_check
838                             win32_errno
839                             win32_environ
840                             win32_abort
841                             win32_fstat
842                             win32_stat
843                             win32_pipe
844                             win32_popen
845                             win32_pclose
846                             win32_rename
847                             win32_setmode
848                             win32_chsize
849                             win32_lseek
850                             win32_tell
851                             win32_dup
852                             win32_dup2
853                             win32_open
854                             win32_close
855                             win32_eof
856                             win32_isatty
857                             win32_read
858                             win32_write
859                             win32_mkdir
860                             win32_rmdir
861                             win32_chdir
862                             win32_flock
863                             win32_execv
864                             win32_execvp
865                             win32_htons
866                             win32_ntohs
867                             win32_htonl
868                             win32_ntohl
869                             win32_inet_addr
870                             win32_inet_ntoa
871                             win32_socket
872                             win32_bind
873                             win32_listen
874                             win32_accept
875                             win32_connect
876                             win32_send
877                             win32_sendto
878                             win32_recv
879                             win32_recvfrom
880                             win32_shutdown
881                             win32_closesocket
882                             win32_ioctlsocket
883                             win32_setsockopt
884                             win32_getsockopt
885                             win32_getpeername
886                             win32_getsockname
887                             win32_gethostname
888                             win32_gethostbyname
889                             win32_gethostbyaddr
890                             win32_getprotobyname
891                             win32_getprotobynumber
892                             win32_getservbyname
893                             win32_getservbyport
894                             win32_select
895                             win32_endhostent
896                             win32_endnetent
897                             win32_endprotoent
898                             win32_endservent
899                             win32_getnetent
900                             win32_getnetbyname
901                             win32_getnetbyaddr
902                             win32_getprotoent
903                             win32_getservent
904                             win32_sethostent
905                             win32_setnetent
906                             win32_setprotoent
907                             win32_setservent
908                             win32_getenv
909                             win32_putenv
910                             win32_perror
911                             win32_malloc
912                             win32_calloc
913                             win32_realloc
914                             win32_free
915                             win32_sleep
916                             win32_pause
917                             win32_times
918                             win32_access
919                             win32_alarm
920                             win32_chmod
921                             win32_open_osfhandle
922                             win32_get_osfhandle
923                             win32_ioctl
924                             win32_link
925                             win32_unlink
926                             win32_utime
927                             win32_gettimeofday
928                             win32_uname
929                             win32_wait
930                             win32_waitpid
931                             win32_kill
932                             win32_str_os_error
933                             win32_opendir
934                             win32_readdir
935                             win32_telldir
936                             win32_seekdir
937                             win32_rewinddir
938                             win32_closedir
939                             win32_longpath
940                             win32_ansipath
941                             win32_os_id
942                             win32_getpid
943                             win32_crypt
944                             win32_dynaload
945                             win32_clearenv
946                             win32_stdin
947                             win32_stdout
948                             win32_stderr
949                             win32_ferror
950                             win32_feof
951                             win32_strerror
952                             win32_fprintf
953                             win32_printf
954                             win32_vfprintf
955                             win32_vprintf
956                             win32_fread
957                             win32_fwrite
958                             win32_fopen
959                             win32_fdopen
960                             win32_freopen
961                             win32_fclose
962                             win32_fputs
963                             win32_fputc
964                             win32_ungetc
965                             win32_getc
966                             win32_fileno
967                             win32_clearerr
968                             win32_fflush
969                             win32_ftell
970                             win32_fseek
971                             win32_fgetpos
972                             win32_fsetpos
973                             win32_rewind
974                             win32_tmpfile
975                             win32_setbuf
976                             win32_setvbuf
977                             win32_flushall
978                             win32_fcloseall
979                             win32_fgets
980                             win32_gets
981                             win32_fgetc
982                             win32_putc
983                             win32_puts
984                             win32_getchar
985                             win32_putchar
986                  ));
987 }
988 elsif ($ARGS{PLATFORM} eq 'vms') {
989     try_symbols(qw(
990                       Perl_cando
991                       Perl_cando_by_name
992                       Perl_closedir
993                       Perl_csighandler_init
994                       Perl_do_rmdir
995                       Perl_fileify_dirspec
996                       Perl_fileify_dirspec_ts
997                       Perl_fileify_dirspec_utf8
998                       Perl_fileify_dirspec_utf8_ts
999                       Perl_flex_fstat
1000                       Perl_flex_lstat
1001                       Perl_flex_stat
1002                       Perl_kill_file
1003                       Perl_my_chdir
1004                       Perl_my_chmod
1005                       Perl_my_crypt
1006                       Perl_my_endpwent
1007                       Perl_my_fclose
1008                       Perl_my_fdopen
1009                       Perl_my_fgetname
1010                       Perl_my_flush
1011                       Perl_my_fwrite
1012                       Perl_my_gconvert
1013                       Perl_my_getenv
1014                       Perl_my_getenv_len
1015                       Perl_my_getpwnam
1016                       Perl_my_getpwuid
1017                       Perl_my_gmtime
1018                       Perl_my_kill
1019                       Perl_my_killpg
1020                       Perl_my_localtime
1021                       Perl_my_mkdir
1022                       Perl_my_sigaction
1023                       Perl_my_symlink
1024                       Perl_my_time
1025                       Perl_my_tmpfile
1026                       Perl_my_trnlnm
1027                       Perl_my_utime
1028                       Perl_my_waitpid
1029                       Perl_opendir
1030                       Perl_pathify_dirspec
1031                       Perl_pathify_dirspec_ts
1032                       Perl_pathify_dirspec_utf8
1033                       Perl_pathify_dirspec_utf8_ts
1034                       Perl_readdir
1035                       Perl_readdir_r
1036                       Perl_rename
1037                       Perl_rmscopy
1038                       Perl_rmsexpand
1039                       Perl_rmsexpand_ts
1040                       Perl_rmsexpand_utf8
1041                       Perl_rmsexpand_utf8_ts
1042                       Perl_seekdir
1043                       Perl_sig_to_vmscondition
1044                       Perl_telldir
1045                       Perl_tounixpath
1046                       Perl_tounixpath_ts
1047                       Perl_tounixpath_utf8
1048                       Perl_tounixpath_utf8_ts
1049                       Perl_tounixspec
1050                       Perl_tounixspec_ts
1051                       Perl_tounixspec_utf8
1052                       Perl_tounixspec_utf8_ts
1053                       Perl_tovmspath
1054                       Perl_tovmspath_ts
1055                       Perl_tovmspath_utf8
1056                       Perl_tovmspath_utf8_ts
1057                       Perl_tovmsspec
1058                       Perl_tovmsspec_ts
1059                       Perl_tovmsspec_utf8
1060                       Perl_tovmsspec_utf8_ts
1061                       Perl_trim_unixpath
1062                       Perl_vms_case_tolerant
1063                       Perl_vms_do_aexec
1064                       Perl_vms_do_exec
1065                       Perl_vms_image_init
1066                       Perl_vms_realpath
1067                       Perl_vmssetenv
1068                       Perl_vmssetuserlnm
1069                       Perl_vmstrnenv
1070                       PerlIO_openn
1071                  ));
1072 }
1073 elsif ($ARGS{PLATFORM} eq 'os2') {
1074     try_symbols(qw(
1075                       ctermid
1076                       get_sysinfo
1077                       Perl_OS2_init
1078                       Perl_OS2_init3
1079                       Perl_OS2_term
1080                       OS2_Perl_data
1081                       dlopen
1082                       dlsym
1083                       dlerror
1084                       dlclose
1085                       dup2
1086                       dup
1087                       my_tmpfile
1088                       my_tmpnam
1089                       my_flock
1090                       my_rmdir
1091                       my_mkdir
1092                       my_getpwuid
1093                       my_getpwnam
1094                       my_getpwent
1095                       my_setpwent
1096                       my_endpwent
1097                       fork_with_resources
1098                       croak_with_os2error
1099                       setgrent
1100                       endgrent
1101                       getgrent
1102                       malloc_mutex
1103                       threads_mutex
1104                       nthreads
1105                       nthreads_cond
1106                       os2_cond_wait
1107                       os2_stat
1108                       os2_execname
1109                       async_mssleep
1110                       msCounter
1111                       InfoTable
1112                       pthread_join
1113                       pthread_create
1114                       pthread_detach
1115                       XS_Cwd_change_drive
1116                       XS_Cwd_current_drive
1117                       XS_Cwd_extLibpath
1118                       XS_Cwd_extLibpath_set
1119                       XS_Cwd_sys_abspath
1120                       XS_Cwd_sys_chdir
1121                       XS_Cwd_sys_cwd
1122                       XS_Cwd_sys_is_absolute
1123                       XS_Cwd_sys_is_relative
1124                       XS_Cwd_sys_is_rooted
1125                       XS_DynaLoader_mod2fname
1126                       XS_File__Copy_syscopy
1127                       Perl_Register_MQ
1128                       Perl_Deregister_MQ
1129                       Perl_Serve_Messages
1130                       Perl_Process_Messages
1131                       init_PMWIN_entries
1132                       PMWIN_entries
1133                       Perl_hab_GET
1134                       loadByOrdinal
1135                       pExtFCN
1136                       os2error
1137                       ResetWinError
1138                       CroakWinError
1139                       PL_do_undump
1140                  ));
1141 }
1142 elsif ($ARGS{PLATFORM} eq 'netware') {
1143     try_symbols(qw(
1144                         Perl_init_os_extras
1145                         Perl_thread_create
1146                         Perl_nw5_init
1147                         RunPerl
1148                         AllocStdPerl
1149                         FreeStdPerl
1150                         do_spawn2
1151                         do_aspawn
1152                         nw_uname
1153                         nw_stdin
1154                         nw_stdout
1155                         nw_stderr
1156                         nw_feof
1157                         nw_ferror
1158                         nw_fopen
1159                         nw_fclose
1160                         nw_clearerr
1161                         nw_getc
1162                         nw_fgets
1163                         nw_fputc
1164                         nw_fputs
1165                         nw_fflush
1166                         nw_ungetc
1167                         nw_fileno
1168                         nw_fdopen
1169                         nw_freopen
1170                         nw_fread
1171                         nw_fwrite
1172                         nw_setbuf
1173                         nw_setvbuf
1174                         nw_vfprintf
1175                         nw_ftell
1176                         nw_fseek
1177                         nw_rewind
1178                         nw_tmpfile
1179                         nw_fgetpos
1180                         nw_fsetpos
1181                         nw_dup
1182                         nw_access
1183                         nw_chmod
1184                         nw_chsize
1185                         nw_close
1186                         nw_dup2
1187                         nw_flock
1188                         nw_isatty
1189                         nw_link
1190                         nw_lseek
1191                         nw_stat
1192                         nw_mktemp
1193                         nw_open
1194                         nw_read
1195                         nw_rename
1196                         nw_setmode
1197                         nw_unlink
1198                         nw_utime
1199                         nw_write
1200                         nw_chdir
1201                         nw_rmdir
1202                         nw_closedir
1203                         nw_opendir
1204                         nw_readdir
1205                         nw_rewinddir
1206                         nw_seekdir
1207                         nw_telldir
1208                         nw_htonl
1209                         nw_htons
1210                         nw_ntohl
1211                         nw_ntohs
1212                         nw_accept
1213                         nw_bind
1214                         nw_connect
1215                         nw_endhostent
1216                         nw_endnetent
1217                         nw_endprotoent
1218                         nw_endservent
1219                         nw_gethostbyaddr
1220                         nw_gethostbyname
1221                         nw_gethostent
1222                         nw_gethostname
1223                         nw_getnetbyaddr
1224                         nw_getnetbyname
1225                         nw_getnetent
1226                         nw_getpeername
1227                         nw_getprotobyname
1228                         nw_getprotobynumber
1229                         nw_getprotoent
1230                         nw_getservbyname
1231                         nw_getservbyport
1232                         nw_getservent
1233                         nw_getsockname
1234                         nw_getsockopt
1235                         nw_inet_addr
1236                         nw_listen
1237                         nw_socket
1238                         nw_recv
1239                         nw_recvfrom
1240                         nw_select
1241                         nw_send
1242                         nw_sendto
1243                         nw_sethostent
1244                         nw_setnetent
1245                         nw_setprotoent
1246                         nw_setservent
1247                         nw_setsockopt
1248                         nw_inet_ntoa
1249                         nw_shutdown
1250                         nw_crypt
1251                         nw_execvp
1252                         nw_kill
1253                         nw_Popen
1254                         nw_Pclose
1255                         nw_Pipe
1256                         nw_times
1257                         nw_waitpid
1258                         nw_getpid
1259                         nw_spawnvp
1260                         nw_os_id
1261                         nw_open_osfhandle
1262                         nw_get_osfhandle
1263                         nw_abort
1264                         nw_sleep
1265                         nw_wait
1266                         nw_dynaload
1267                         nw_strerror
1268                         fnFpSetMode
1269                         fnInsertHashListAddrs
1270                         fnGetHashListAddrs
1271                         Perl_deb
1272                         Perl_sv_setsv
1273                         Perl_sv_catsv
1274                         Perl_sv_catpvn
1275                         Perl_sv_2pv
1276                         nw_freeenviron
1277                         Remove_Thread_Ctx
1278                  ));
1279 }
1280
1281 # When added this code was only run for Win32 and WinCE
1282 # Currently only Win32 links static extensions into the shared library.
1283 # The WinCE makefile doesn't appear to support static extensions, so this code
1284 # can't have any effect there.
1285 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1286 # list of dynamic extensions, and the rules to build them)
1287 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1288 # static extensions with -fPIC, but links them to perl, not libperl.so
1289 # The VMS build scripts don't yet implement static extensions at all.
1290
1291 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1292     # records of type boot_module for statically linked modules (except Dynaloader)
1293     my $static_ext = $Config{static_ext} // "";
1294     $static_ext =~ s/\//__/g;
1295     $static_ext =~ s/\bDynaLoader\b//;
1296     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1297     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1298 }
1299
1300 if ($ARGS{PLATFORM} eq 'os2') {
1301     my (%mapped, @missing);
1302     open MAP, '<', 'miniperl.map' or die 'Cannot read miniperl.map';
1303     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1304     close MAP or die 'Cannot close miniperl.map';
1305
1306     @missing = grep { !exists $mapped{$_} }
1307                     keys %export;
1308     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1309     delete $export{$_} foreach @missing;
1310 }
1311
1312 ###############################################################################
1313
1314 # Now all symbols should be defined because next we are going to output them.
1315
1316 # Start with platform specific headers:
1317
1318 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1319     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1320         : "perl$Config{api_revision}$Config{api_version}";
1321     print "LIBRARY $dll\n";
1322     # The DESCRIPTION module definition file statement is not supported
1323     # by VC7 onwards.
1324     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1325         print "DESCRIPTION 'Perl interpreter'\n";
1326     }
1327     print "EXPORTS\n";
1328 }
1329 elsif ($ARGS{PLATFORM} eq 'os2') {
1330     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1331     $v .= '-thread' if $Config{archname} =~ /-thread/;
1332     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1333     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1334     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1335     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1336     print <<"---EOP---";
1337 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1338 $d
1339 STACKSIZE 32768
1340 CODE LOADONCALL
1341 DATA LOADONCALL NONSHARED MULTIPLE
1342 EXPORTS
1343 ---EOP---
1344 }
1345 elsif ($ARGS{PLATFORM} eq 'aix') {
1346     my $OSVER = `uname -v`;
1347     chop $OSVER;
1348     my $OSREL = `uname -r`;
1349     chop $OSREL;
1350     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1351         print "#! ..\n";
1352     } else {
1353         print "#!\n";
1354     }
1355 }
1356 elsif ($ARGS{PLATFORM} eq 'netware') {
1357         if ($ARGS{FILETYPE} eq 'def') {
1358         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1359         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1360         print "EXPORTS\n";
1361         }
1362 }
1363
1364 # Then the symbols
1365
1366 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1367 foreach my $symbol (@symbols) {
1368     if (PLATFORM eq 'win32' || PLATFORM eq 'wince') {
1369         # Remembering the origin file of each symbol is an alternative to PL_ matching
1370         if (substr($symbol, 0, 3) eq 'PL_') {
1371             print "\t$symbol DATA\n";
1372         }
1373         else {
1374             print "\t$symbol\n";
1375         }
1376     }
1377     elsif (PLATFORM eq 'os2') {
1378         printf qq(    %-31s \@%s\n),
1379           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1380         printf qq(    %-31s \@%s\n),
1381           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1382           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1383           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1384     }
1385     elsif (PLATFORM eq 'netware') {
1386         print "\t$symbol,\n";
1387     } else {
1388         print "$symbol\n";
1389     }
1390 }
1391
1392 # Then platform specific footers.
1393
1394 if ($ARGS{PLATFORM} eq 'os2') {
1395     print <<EOP;
1396     dll_perlmain=main
1397     fill_extLibpath
1398     dir_subst
1399     Perl_OS2_handler_install
1400
1401 ; LAST_ORDINAL=$sym_ord
1402 EOP
1403 }
1404
1405 1;