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