move Test dist from ./cpan to ./dist
[perl.git] / makedef.pl
1 #./perl -w
2 #
3 # Create the export list for perl.
4 #
5 # Needed by WIN32 and OS/2 for creating perl.dll,
6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
7 # and by VMS for creating perlshr.exe.
8 #
9 # Reads from information stored in
10 #
11 #    %Config::Config (ie config.sh)
12 #    config.h
13 #    embed.fnc
14 #    globvar.sym
15 #    intrpvar.h
16 #    miniperl.map (on OS/2)
17 #    perl5.def    (on OS/2; this is the old version of the file being made)
18 #    perlio.sym
19 #    perlvars.h
20 #    regen/opcodes
21 #
22 # plus long lists of function names hard-coded directly in this script.
23 #
24 # Writes the result to STDOUT.
25 #
26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
27 # which redirects STDOUT to a suitable file, such as:
28 #
29 #    perl5.def   OS/2
30 #    perldll.def Windows
31 #    perl.exp    AIX
32 #    perl.imp    NetWare
33 #    makedef.lis VMS
34
35 my $fold;
36 my %ARGS;
37 my %define;
38
39 BEGIN {
40     BEGIN { unshift @INC, "lib" }
41     use Config;
42     use strict;
43
44     %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
45
46     sub process_cc_flags {
47         foreach (map {split /\s+/, $_} @_) {
48             $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
49         }
50     }
51
52     while (@ARGV) {
53         my $flag = shift;
54         if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
55             process_cc_flags($1);
56         } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
57             $ARGS{$1} = $2;
58         } elsif ($flag eq '--sort-fold') {
59             ++$fold;
60         }
61     }
62     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
63     my %PLATFORM;
64     @PLATFORM{@PLATFORM} = ();
65
66     die "PLATFORM undefined, must be one of: @PLATFORM\n"
67         unless defined $ARGS{PLATFORM};
68     die "PLATFORM must be one of: @PLATFORM\n"
69         unless exists $PLATFORM{$ARGS{PLATFORM}};
70 }
71 use constant PLATFORM => $ARGS{PLATFORM};
72
73 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
74
75 # Is the following guard strictly necessary? Added during refactoring
76 # to keep the same behaviour when merging other code into here.
77 process_cc_flags(@Config{qw(ccflags optimize)})
78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
79     && $ARGS{PLATFORM} ne 'netware';
80
81 # Add the compile-time options that miniperl was built with to %define.
82 # On Win32 these are not the same options as perl itself will be built
83 # with since miniperl is built with a canned config (one of the win32/
84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
85 # but they do include some #define's that are hard-coded in various
86 # source files and header files and don't include any BUILDOPT's that
87 # the user might have chosen to disable because the canned configs are
88 # minimal configs that don't include any of those options.
89
90 #don't use the host Perl's -V defines for the WinCE Perl
91 if($ARGS{PLATFORM} ne 'wince') {
92     my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
93     print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
94     $define{$_} = 1 foreach @options;
95 }
96
97 my %exportperlmalloc =
98     (
99        Perl_malloc              =>      "malloc",
100        Perl_mfree               =>      "free",
101        Perl_realloc             =>      "realloc",
102        Perl_calloc              =>      "calloc",
103     );
104
105 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
106
107 my $config_h = 'config.h';
108 open(CFG, '<', $config_h) || die "Cannot open $config_h: $!\n";
109 while (<CFG>) {
110     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
111                                            |SPRINTF_RETURNS_STRLEN
112                                            |KILL_BY_SIGPRC
113                                            |(?:PERL|USE|HAS)_\w+)\b/x;
114 }
115 close(CFG);
116
117 # perl.h logic duplication begins
118
119 if ($define{USE_ITHREADS}) {
120     if (!$define{MULTIPLICITY}) {
121         $define{MULTIPLICITY} = 1;
122     }
123 }
124
125 $define{PERL_IMPLICIT_CONTEXT} ||=
126     $define{USE_ITHREADS} ||
127     $define{MULTIPLICITY} ;
128
129 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
130     $define{USE_REENTRANT_API} = 1;
131 }
132
133 # perl.h logic duplication ends
134
135 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
136      unless $ARGS{PLATFORM} eq 'test';
137
138 my $sym_ord = 0;
139 my %ordinal;
140
141 if ($ARGS{PLATFORM} eq 'os2') {
142     if (open my $fh, '<', 'perl5.def') {
143       while (<$fh>) {
144         last if /^\s*EXPORTS\b/;
145       }
146       while (<$fh>) {
147         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
148         # This allows skipping ordinals which were used in older versions
149         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
150       }
151       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
152     }
153 }
154
155 my %skip;
156 # All platforms export boot_DynaLoader unconditionally.
157 my %export = ( boot_DynaLoader => 1 );
158
159 sub try_symbols {
160     foreach my $symbol (@_) {
161         ++$export{$symbol} unless exists $skip{$symbol};
162     }
163 }
164
165 sub readvar {
166     # $hash is the hash that we're adding to. For one of our callers, it will
167     # actually be the skip hash but that doesn't affect the intent of what
168     # we're doing, as in that case we skip adding something to the skip hash
169     # for the second time.
170
171     my $file = $ARGS{TARG_DIR} . shift;
172     my $hash = shift;
173     my $proc = shift;
174     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
175
176     while (<$vars>) {
177         # All symbols have a Perl_ prefix because that's what embed.h sticks
178         # in front of them.  The A?I?S?C? is strictly speaking wrong.
179         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
180
181         my $var = "PL_$3";
182         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
183         ++$hash->{$symbol} unless exists $skip{$var};
184     }
185 }
186
187 if ($ARGS{PLATFORM} ne 'os2') {
188     ++$skip{$_} foreach qw(
189                      PL_cryptseen
190                      PL_opsave
191                      Perl_GetVars
192                      Perl_dump_fds
193                      Perl_my_bcopy
194                      Perl_my_bzero
195                      Perl_my_chsize
196                      Perl_my_htonl
197                      Perl_my_memcmp
198                      Perl_my_memset
199                      Perl_my_ntohl
200                      Perl_my_swap
201                          );
202     if ($ARGS{PLATFORM} eq 'vms') {
203         ++$skip{PL_statusvalue_posix};
204         # This is a wrapper if we have symlink, not a replacement
205         # if we don't.
206         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
207     } else {
208         ++$skip{PL_statusvalue_vms};
209         if ($ARGS{PLATFORM} ne 'aix') {
210             ++$skip{$_} foreach qw(
211                                 PL_DBcv
212                                 PL_generation
213                                 PL_lastgotoprobe
214                                 PL_modcount
215                                 PL_timesbuf
216                                 main
217                                  );
218         }
219     }
220 }
221
222 if ($ARGS{PLATFORM} ne 'vms') {
223     # VMS does its own thing for these symbols.
224     ++$skip{$_} foreach qw(
225                         PL_sig_handlers_initted
226                         PL_sig_ignoring
227                         PL_sig_defaulting
228                          );
229     if ($ARGS{PLATFORM} ne 'win32') {
230         ++$skip{$_} foreach qw(
231                             Perl_do_spawn
232                             Perl_do_spawn_nowait
233                             Perl_do_aspawn
234                              );
235     }
236 }
237
238 if ($ARGS{PLATFORM} ne 'win32') {
239     ++$skip{$_} foreach qw(
240                     Perl_my_setlocale
241                          );
242 }
243
244 unless ($define{UNLINK_ALL_VERSIONS}) {
245     ++$skip{Perl_unlnk};
246 }
247
248 unless ($define{'DEBUGGING'}) {
249     ++$skip{$_} foreach qw(
250                     Perl_debop
251                     Perl_debprofdump
252                     Perl_debstack
253                     Perl_debstackptrs
254                     Perl_pad_sv
255                     Perl_pad_setsv
256                     Perl_set_padlist
257                     Perl_hv_assert
258                     PL_watchaddr
259                     PL_watchok
260                     PL_watch_pvx
261                          );
262 }
263
264 if ($define{'PERL_IMPLICIT_SYS'}) {
265     ++$skip{$_} foreach qw(
266                     Perl_my_popen
267                     Perl_my_pclose
268                          );
269     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
270     ++$export{perl_clone_host} if $define{USE_ITHREADS};
271 }
272 else {
273     ++$skip{$_} foreach qw(
274                     PL_Mem
275                     PL_MemShared
276                     PL_MemParse
277                     PL_Env
278                     PL_StdIO
279                     PL_LIO
280                     PL_Dir
281                     PL_Sock
282                     PL_Proc
283                     perl_alloc_using
284                     perl_clone_using
285                          );
286 }
287
288 unless ($define{'PERL_COPY_ON_WRITE'}) {
289     ++$skip{Perl_sv_setsv_cow};
290 }
291
292 unless ($define{PERL_SAWAMPERSAND}) {
293     ++$skip{PL_sawampersand};
294 }
295
296 unless ($define{'USE_REENTRANT_API'}) {
297     ++$skip{PL_reentrant_buffer};
298 }
299
300 if ($define{'MYMALLOC'}) {
301     try_symbols(qw(
302                     Perl_dump_mstats
303                     Perl_get_mstats
304                     Perl_strdup
305                     Perl_putenv
306                     MallocCfg_ptr
307                     MallocCfgP_ptr
308                     ));
309     unless ($define{USE_ITHREADS}) {
310         ++$skip{PL_malloc_mutex}
311     }
312 }
313 else {
314     ++$skip{$_} foreach qw(
315                     PL_malloc_mutex
316                     Perl_dump_mstats
317                     Perl_get_mstats
318                     MallocCfg_ptr
319                     MallocCfgP_ptr
320                          );
321 }
322
323 if ($define{'PERL_USE_SAFE_PUTENV'}) {
324     ++$skip{PL_use_safe_putenv};
325 }
326
327 unless ($define{'USE_ITHREADS'}) {
328     ++$skip{PL_thr_key};
329 }
330
331 # USE_5005THREADS symbols. Kept as reference for easier removal
332 ++$skip{$_} foreach qw(
333                     PL_sv_mutex
334                     PL_strtab_mutex
335                     PL_svref_mutex
336                     PL_cred_mutex
337                     PL_eval_mutex
338                     PL_fdpid_mutex
339                     PL_sv_lock_mutex
340                     PL_eval_cond
341                     PL_eval_owner
342                     PL_threads_mutex
343                     PL_nthreads
344                     PL_nthreads_cond
345                     PL_threadnum
346                     PL_threadsv_names
347                     PL_thrsv
348                     PL_vtbl_mutex
349                     Perl_condpair_magic
350                     Perl_new_struct_thread
351                     Perl_per_thread_magicals
352                     Perl_thread_create
353                     Perl_find_threadsv
354                     Perl_unlock_condpair
355                     Perl_magic_mutexfree
356                     Perl_sv_lock
357                      );
358
359 unless ($define{'USE_ITHREADS'}) {
360     ++$skip{$_} foreach qw(
361                     PL_check_mutex
362                     PL_op_mutex
363                     PL_regex_pad
364                     PL_regex_padav
365                     PL_dollarzero_mutex
366                     PL_hints_mutex
367                     PL_my_ctx_mutex
368                     PL_perlio_mutex
369                     PL_stashpad
370                     PL_stashpadix
371                     PL_stashpadmax
372                     Perl_alloccopstash
373                     Perl_allocfilegv
374                     Perl_clone_params_del
375                     Perl_clone_params_new
376                     Perl_parser_dup
377                     Perl_dirp_dup
378                     Perl_cx_dup
379                     Perl_si_dup
380                     Perl_any_dup
381                     Perl_ss_dup
382                     Perl_fp_dup
383                     Perl_gp_dup
384                     Perl_he_dup
385                     Perl_mg_dup
386                     Perl_re_dup_guts
387                     Perl_sv_dup
388                     Perl_sv_dup_inc
389                     Perl_rvpv_dup
390                     Perl_hek_dup
391                     Perl_sys_intern_dup
392                     perl_clone
393                     perl_clone_using
394                     Perl_stashpv_hvname_match
395                     Perl_regdupe_internal
396                     Perl_newPADOP
397                          );
398 }
399
400 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
401     ++$skip{$_} foreach qw(
402                     PL_my_cxt_index
403                     PL_my_cxt_list
404                     PL_my_cxt_size
405                     PL_my_cxt_keys
406                     Perl_croak_nocontext
407                     Perl_die_nocontext
408                     Perl_deb_nocontext
409                     Perl_form_nocontext
410                     Perl_load_module_nocontext
411                     Perl_mess_nocontext
412                     Perl_warn_nocontext
413                     Perl_warner_nocontext
414                     Perl_newSVpvf_nocontext
415                     Perl_sv_catpvf_nocontext
416                     Perl_sv_setpvf_nocontext
417                     Perl_sv_catpvf_mg_nocontext
418                     Perl_sv_setpvf_mg_nocontext
419                     Perl_my_cxt_init
420                     Perl_my_cxt_index
421                          );
422 }
423
424 unless ($define{'PERL_OP_PARENT'}) {
425     ++$skip{$_} foreach qw(
426                     Perl_op_parent
427                 );
428 }
429
430 if ($define{'NO_MATHOMS'}) {
431     # win32 builds happen in the win32/ subdirectory, but vms builds happen
432     # at the top level, so we need to look in two candidate locations for
433     # the mathoms.c file.
434     my ($file) = grep { -f } qw( mathoms.c ../mathoms.c )
435         or die "No mathoms.c file found in . or ..\n";
436     open my $mathoms, '<', $file
437         or die "Cannot open $file: $!\n";
438     while (<$mathoms>) {
439         ++$skip{$1} if /\A ( NATIVE_TO_NEED
440                            | ASCII_TO_NEED
441                            | Perl_\w+ ) \s* \( /axms;
442     }
443 }
444
445 unless ($define{'PERL_NEED_APPCTX'}) {
446     ++$skip{PL_appctx};
447 }
448
449 unless ($define{'PERL_NEED_TIMESBASE'}) {
450     ++$skip{PL_timesbase};
451 }
452
453 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
454     ++$skip{PL_sv_serial};
455 }
456
457 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
458     ++$skip{PL_dumper_fd};
459 }
460
461 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
462     ++$skip{Perl_gv_SVadd};
463 }
464
465 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
466     ++$skip{Perl_my_sprintf};
467 }
468
469 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
470     ++$skip{PL_pidstatus};
471 }
472
473 unless ($define{'PERL_TRACK_MEMPOOL'}) {
474     ++$skip{PL_memory_debug_header};
475 }
476
477 unless ($define{'MULTIPLICITY'}) {
478     ++$skip{$_} foreach qw(
479                     PL_interp_size
480                     PL_interp_size_5_18_0
481                          );
482 }
483
484 unless ($define{'PERL_GLOBAL_STRUCT'}) {
485     ++$skip{PL_global_struct_size};
486 }
487
488 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
489     ++$skip{$_} foreach qw(
490                     PL_my_cxt_keys
491                     Perl_my_cxt_index
492                          );
493 }
494
495 unless ($define{HAS_MMAP}) {
496     ++$skip{PL_mmap_page_size};
497 }
498
499 if ($define{HAS_SIGACTION}) {
500     ++$skip{PL_sig_trapped};
501
502     if ($ARGS{PLATFORM} eq 'vms') {
503         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
504         ++$skip{PL_sig_ignoring};
505         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
506     }
507 }
508
509 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
510     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
511     ++$skip{Perl_csighandler_init};
512     ++$skip{Perl_my_kill};
513     ++$skip{Perl_sig_to_vmscondition};
514     ++$skip{PL_sig_defaulting};
515     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
516 }
517
518 unless ($define{USE_LOCALE_COLLATE}) {
519     ++$skip{$_} foreach qw(
520                     PL_collation_ix
521                     PL_collation_name
522                     PL_collation_standard
523                     PL_collxfrm_base
524                     PL_collxfrm_mult
525                     Perl_sv_collxfrm
526                     Perl_sv_collxfrm_flags
527                          );
528 }
529
530 unless ($define{USE_LOCALE_NUMERIC}) {
531     ++$skip{$_} foreach qw(
532                     PL_numeric_local
533                     PL_numeric_name
534                     PL_numeric_radix_sv
535                     PL_numeric_standard
536                          );
537 }
538
539 unless ($define{'USE_C_BACKTRACE'}) {
540     ++$skip{Perl_get_c_backtrace_dump};
541     ++$skip{Perl_dump_c_backtrace};
542 }
543
544 unless ($define{HAVE_INTERP_INTERN}) {
545     ++$skip{$_} foreach qw(
546                     Perl_sys_intern_clear
547                     Perl_sys_intern_dup
548                     Perl_sys_intern_init
549                     PL_sys_intern
550                          );
551 }
552
553 if ($define{HAS_SIGNBIT}) {
554     ++$skip{Perl_signbit};
555 }
556
557 if ($define{'PERL_GLOBAL_STRUCT'}) {
558     readvar('perlvars.h', \%skip);
559     # This seems like the least ugly way to cope with the fact that PL_sh_path
560     # is mentioned in perlvar.h and globvar.sym, and always exported.
561     delete $skip{PL_sh_path};
562     ++$export{Perl_GetVars};
563     try_symbols(qw(PL_Vars PL_VarsPtr))
564       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
565 } else {
566     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
567 }
568
569 ++$skip{PL_op_exec_cnt}
570     unless $define{PERL_TRACE_OPS};
571
572 # functions from *.sym files
573
574 my @syms = qw(globvar.sym);
575
576 # Symbols that are the public face of the PerlIO layers implementation
577 # These are in _addition to_ the public face of the abstraction
578 # and need to be exported to allow XS modules to implement layers
579 my @layer_syms = qw(
580                     PerlIOBase_binmode
581                     PerlIOBase_clearerr
582                     PerlIOBase_close
583                     PerlIOBase_dup
584                     PerlIOBase_eof
585                     PerlIOBase_error
586                     PerlIOBase_fileno
587                     PerlIOBase_open
588                     PerlIOBase_noop_fail
589                     PerlIOBase_noop_ok
590                     PerlIOBase_popped
591                     PerlIOBase_pushed
592                     PerlIOBase_read
593                     PerlIOBase_setlinebuf
594                     PerlIOBase_unread
595                     PerlIOBuf_bufsiz
596                     PerlIOBuf_close
597                     PerlIOBuf_dup
598                     PerlIOBuf_fill
599                     PerlIOBuf_flush
600                     PerlIOBuf_get_base
601                     PerlIOBuf_get_cnt
602                     PerlIOBuf_get_ptr
603                     PerlIOBuf_open
604                     PerlIOBuf_popped
605                     PerlIOBuf_pushed
606                     PerlIOBuf_read
607                     PerlIOBuf_seek
608                     PerlIOBuf_set_ptrcnt
609                     PerlIOBuf_tell
610                     PerlIOBuf_unread
611                     PerlIOBuf_write
612                     PerlIO_allocate
613                     PerlIO_apply_layera
614                     PerlIO_apply_layers
615                     PerlIO_arg_fetch
616                     PerlIO_debug
617                     PerlIO_define_layer
618                     PerlIO_find_layer
619                     PerlIO_isutf8
620                     PerlIO_layer_fetch
621                     PerlIO_list_alloc
622                     PerlIO_list_free
623                     PerlIO_modestr
624                     PerlIO_parse_layers
625                     PerlIO_pending
626                     PerlIO_perlio
627                     PerlIO_pop
628                     PerlIO_push
629                     PerlIO_sv_dup
630                     Perl_PerlIO_clearerr
631                     Perl_PerlIO_close
632                     Perl_PerlIO_context_layers
633                     Perl_PerlIO_eof
634                     Perl_PerlIO_error
635                     Perl_PerlIO_fileno
636                     Perl_PerlIO_fill
637                     Perl_PerlIO_flush
638                     Perl_PerlIO_get_base
639                     Perl_PerlIO_get_bufsiz
640                     Perl_PerlIO_get_cnt
641                     Perl_PerlIO_get_ptr
642                     Perl_PerlIO_read
643                     Perl_PerlIO_restore_errno
644                     Perl_PerlIO_save_errno
645                     Perl_PerlIO_seek
646                     Perl_PerlIO_set_cnt
647                     Perl_PerlIO_set_ptrcnt
648                     Perl_PerlIO_setlinebuf
649                     Perl_PerlIO_stderr
650                     Perl_PerlIO_stdin
651                     Perl_PerlIO_stdout
652                     Perl_PerlIO_tell
653                     Perl_PerlIO_unread
654                     Perl_PerlIO_write
655 );
656 if ($ARGS{PLATFORM} eq 'netware') {
657     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
658 }
659
660 # Export the symbols that make up the PerlIO abstraction, regardless
661 # of its implementation - read from a file
662 push @syms, 'perlio.sym';
663
664 # PerlIO with layers - export implementation
665 try_symbols(@layer_syms, 'perlsio_binmode');
666
667
668 unless ($define{'USE_QUADMATH'}) {
669   ++$skip{Perl_quadmath_format_needed};
670   ++$skip{Perl_quadmath_format_single};
671 }
672
673 ###############################################################################
674
675 # At this point all skip lists should be completed, as we are about to test
676 # many symbols against them.
677
678 {
679     my %seen;
680     my ($embed) = setup_embed($ARGS{TARG_DIR});
681
682     foreach (@$embed) {
683         my ($flags, $retval, $func, @args) = @$_;
684         next unless $func;
685         if ($flags =~ /[AX]/ && $flags !~ /[xmi]/ || $flags =~ /b/) {
686             # public API, so export
687
688             # If a function is defined twice, for example before and after
689             # an #else, only export its name once. Important to do this test
690             # within the block, as the *first* definition may have flags which
691             # mean "don't export"
692             next if $seen{$func}++;
693             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
694             $func = "Perl_$func" if ($flags =~ /[pbX]/ && $func !~ /^Perl_/); 
695             ++$export{$func} unless exists $skip{$func};
696         }
697     }
698 }
699
700 foreach (@syms) {
701     my $syms = $ARGS{TARG_DIR} . $_;
702     open my $global, '<', $syms or die "failed to open $syms: $!\n";
703     while (<$global>) {
704         next unless /^([A-Za-z].*)/;
705         my $symbol = "$1";
706         ++$export{$symbol} unless exists $skip{$symbol};
707     }
708 }
709
710 # variables
711
712 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
713     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
714     # XXX AIX seems to want the perlvars.h symbols, for some reason
715     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
716         readvar('perlvars.h', \%export);
717     }
718 }
719 else {
720     unless ($define{'PERL_GLOBAL_STRUCT'}) {
721         readvar('perlvars.h', \%export);
722     }
723     unless ($define{MULTIPLICITY}) {
724         readvar('intrpvar.h', \%export);
725     }
726 }
727
728 # Oddities from PerlIO
729 # All have alternate implementations in perlio.c, so always exist.
730 # Should they be considered to be part of the API?
731 try_symbols(qw(
732                     PerlIO_binmode
733                     PerlIO_getpos
734                     PerlIO_init
735                     PerlIO_setpos
736                     PerlIO_tmpfile
737              ));
738
739 if ($ARGS{PLATFORM} eq 'win32') {
740     try_symbols(qw(
741                                  win32_free_childdir
742                                  win32_free_childenv
743                                  win32_get_childdir
744                                  win32_get_childenv
745                                  win32_spawnvp
746                  ));
747 }
748
749 if ($ARGS{PLATFORM} eq 'wince') {
750     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
751 }
752
753 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
754     try_symbols(qw(
755                             Perl_init_os_extras
756                             Perl_thread_create
757                             Perl_win32_init
758                             Perl_win32_term
759                             RunPerl
760                             win32_async_check
761                             win32_errno
762                             win32_environ
763                             win32_abort
764                             win32_fstat
765                             win32_stat
766                             win32_pipe
767                             win32_popen
768                             win32_pclose
769                             win32_rename
770                             win32_setmode
771                             win32_chsize
772                             win32_lseek
773                             win32_tell
774                             win32_dup
775                             win32_dup2
776                             win32_open
777                             win32_close
778                             win32_eof
779                             win32_isatty
780                             win32_read
781                             win32_write
782                             win32_mkdir
783                             win32_rmdir
784                             win32_chdir
785                             win32_flock
786                             win32_execv
787                             win32_execvp
788                             win32_htons
789                             win32_ntohs
790                             win32_htonl
791                             win32_ntohl
792                             win32_inet_addr
793                             win32_inet_ntoa
794                             win32_socket
795                             win32_bind
796                             win32_listen
797                             win32_accept
798                             win32_connect
799                             win32_send
800                             win32_sendto
801                             win32_recv
802                             win32_recvfrom
803                             win32_shutdown
804                             win32_closesocket
805                             win32_ioctlsocket
806                             win32_setsockopt
807                             win32_getsockopt
808                             win32_getpeername
809                             win32_getsockname
810                             win32_gethostname
811                             win32_gethostbyname
812                             win32_gethostbyaddr
813                             win32_getprotobyname
814                             win32_getprotobynumber
815                             win32_getservbyname
816                             win32_getservbyport
817                             win32_select
818                             win32_endhostent
819                             win32_endnetent
820                             win32_endprotoent
821                             win32_endservent
822                             win32_getnetent
823                             win32_getnetbyname
824                             win32_getnetbyaddr
825                             win32_getprotoent
826                             win32_getservent
827                             win32_sethostent
828                             win32_setnetent
829                             win32_setprotoent
830                             win32_setservent
831                             win32_getenv
832                             win32_putenv
833                             win32_perror
834                             win32_malloc
835                             win32_calloc
836                             win32_realloc
837                             win32_free
838                             win32_sleep
839                             win32_times
840                             win32_access
841                             win32_alarm
842                             win32_chmod
843                             win32_open_osfhandle
844                             win32_get_osfhandle
845                             win32_ioctl
846                             win32_link
847                             win32_unlink
848                             win32_utime
849                             win32_gettimeofday
850                             win32_uname
851                             win32_wait
852                             win32_waitpid
853                             win32_kill
854                             win32_str_os_error
855                             win32_opendir
856                             win32_readdir
857                             win32_telldir
858                             win32_seekdir
859                             win32_rewinddir
860                             win32_closedir
861                             win32_longpath
862                             win32_ansipath
863                             win32_os_id
864                             win32_getpid
865                             win32_crypt
866                             win32_dynaload
867                             win32_clearenv
868                             win32_stdin
869                             win32_stdout
870                             win32_stderr
871                             win32_ferror
872                             win32_feof
873                             win32_strerror
874                             win32_fprintf
875                             win32_printf
876                             win32_vfprintf
877                             win32_vprintf
878                             win32_fread
879                             win32_fwrite
880                             win32_fopen
881                             win32_fdopen
882                             win32_freopen
883                             win32_fclose
884                             win32_fputs
885                             win32_fputc
886                             win32_ungetc
887                             win32_getc
888                             win32_fileno
889                             win32_clearerr
890                             win32_fflush
891                             win32_ftell
892                             win32_fseek
893                             win32_fgetpos
894                             win32_fsetpos
895                             win32_rewind
896                             win32_tmpfile
897                             win32_setbuf
898                             win32_setvbuf
899                             win32_flushall
900                             win32_fcloseall
901                             win32_fgets
902                             win32_gets
903                             win32_fgetc
904                             win32_putc
905                             win32_puts
906                             win32_getchar
907                             win32_putchar
908                  ));
909 }
910 elsif ($ARGS{PLATFORM} eq 'vms') {
911     try_symbols(qw(
912                       Perl_cando
913                       Perl_cando_by_name
914                       Perl_closedir
915                       Perl_csighandler_init
916                       Perl_do_rmdir
917                       Perl_fileify_dirspec
918                       Perl_fileify_dirspec_ts
919                       Perl_fileify_dirspec_utf8
920                       Perl_fileify_dirspec_utf8_ts
921                       Perl_flex_fstat
922                       Perl_flex_lstat
923                       Perl_flex_stat
924                       Perl_kill_file
925                       Perl_my_chdir
926                       Perl_my_chmod
927                       Perl_my_crypt
928                       Perl_my_endpwent
929                       Perl_my_fclose
930                       Perl_my_fdopen
931                       Perl_my_fgetname
932                       Perl_my_flush
933                       Perl_my_fwrite
934                       Perl_my_gconvert
935                       Perl_my_getenv
936                       Perl_my_getenv_len
937                       Perl_my_getpwnam
938                       Perl_my_getpwuid
939                       Perl_my_gmtime
940                       Perl_my_kill
941                       Perl_my_localtime
942                       Perl_my_mkdir
943                       Perl_my_sigaction
944                       Perl_my_symlink
945                       Perl_my_time
946                       Perl_my_tmpfile
947                       Perl_my_trnlnm
948                       Perl_my_utime
949                       Perl_my_waitpid
950                       Perl_opendir
951                       Perl_pathify_dirspec
952                       Perl_pathify_dirspec_ts
953                       Perl_pathify_dirspec_utf8
954                       Perl_pathify_dirspec_utf8_ts
955                       Perl_readdir
956                       Perl_readdir_r
957                       Perl_rename
958                       Perl_rmscopy
959                       Perl_rmsexpand
960                       Perl_rmsexpand_ts
961                       Perl_rmsexpand_utf8
962                       Perl_rmsexpand_utf8_ts
963                       Perl_seekdir
964                       Perl_sig_to_vmscondition
965                       Perl_telldir
966                       Perl_tounixpath
967                       Perl_tounixpath_ts
968                       Perl_tounixpath_utf8
969                       Perl_tounixpath_utf8_ts
970                       Perl_tounixspec
971                       Perl_tounixspec_ts
972                       Perl_tounixspec_utf8
973                       Perl_tounixspec_utf8_ts
974                       Perl_tovmspath
975                       Perl_tovmspath_ts
976                       Perl_tovmspath_utf8
977                       Perl_tovmspath_utf8_ts
978                       Perl_tovmsspec
979                       Perl_tovmsspec_ts
980                       Perl_tovmsspec_utf8
981                       Perl_tovmsspec_utf8_ts
982                       Perl_trim_unixpath
983                       Perl_vms_case_tolerant
984                       Perl_vms_do_aexec
985                       Perl_vms_do_exec
986                       Perl_vms_image_init
987                       Perl_vms_realpath
988                       Perl_vmssetenv
989                       Perl_vmssetuserlnm
990                       Perl_vmstrnenv
991                       PerlIO_openn
992                  ));
993 }
994 elsif ($ARGS{PLATFORM} eq 'os2') {
995     try_symbols(qw(
996                       ctermid
997                       get_sysinfo
998                       Perl_OS2_init
999                       Perl_OS2_init3
1000                       Perl_OS2_term
1001                       OS2_Perl_data
1002                       dlopen
1003                       dlsym
1004                       dlerror
1005                       dlclose
1006                       dup2
1007                       dup
1008                       my_tmpfile
1009                       my_tmpnam
1010                       my_flock
1011                       my_rmdir
1012                       my_mkdir
1013                       my_getpwuid
1014                       my_getpwnam
1015                       my_getpwent
1016                       my_setpwent
1017                       my_endpwent
1018                       fork_with_resources
1019                       croak_with_os2error
1020                       setgrent
1021                       endgrent
1022                       getgrent
1023                       malloc_mutex
1024                       threads_mutex
1025                       nthreads
1026                       nthreads_cond
1027                       os2_cond_wait
1028                       os2_stat
1029                       os2_execname
1030                       async_mssleep
1031                       msCounter
1032                       InfoTable
1033                       pthread_join
1034                       pthread_create
1035                       pthread_detach
1036                       XS_Cwd_change_drive
1037                       XS_Cwd_current_drive
1038                       XS_Cwd_extLibpath
1039                       XS_Cwd_extLibpath_set
1040                       XS_Cwd_sys_abspath
1041                       XS_Cwd_sys_chdir
1042                       XS_Cwd_sys_cwd
1043                       XS_Cwd_sys_is_absolute
1044                       XS_Cwd_sys_is_relative
1045                       XS_Cwd_sys_is_rooted
1046                       XS_DynaLoader_mod2fname
1047                       XS_File__Copy_syscopy
1048                       Perl_Register_MQ
1049                       Perl_Deregister_MQ
1050                       Perl_Serve_Messages
1051                       Perl_Process_Messages
1052                       init_PMWIN_entries
1053                       PMWIN_entries
1054                       Perl_hab_GET
1055                       loadByOrdinal
1056                       pExtFCN
1057                       os2error
1058                       ResetWinError
1059                       CroakWinError
1060                       PL_do_undump
1061                  ));
1062 }
1063 elsif ($ARGS{PLATFORM} eq 'netware') {
1064     try_symbols(qw(
1065                         Perl_init_os_extras
1066                         Perl_thread_create
1067                         Perl_nw5_init
1068                         RunPerl
1069                         AllocStdPerl
1070                         FreeStdPerl
1071                         do_spawn2
1072                         do_aspawn
1073                         nw_uname
1074                         nw_stdin
1075                         nw_stdout
1076                         nw_stderr
1077                         nw_feof
1078                         nw_ferror
1079                         nw_fopen
1080                         nw_fclose
1081                         nw_clearerr
1082                         nw_getc
1083                         nw_fgets
1084                         nw_fputc
1085                         nw_fputs
1086                         nw_fflush
1087                         nw_ungetc
1088                         nw_fileno
1089                         nw_fdopen
1090                         nw_freopen
1091                         nw_fread
1092                         nw_fwrite
1093                         nw_setbuf
1094                         nw_setvbuf
1095                         nw_vfprintf
1096                         nw_ftell
1097                         nw_fseek
1098                         nw_rewind
1099                         nw_tmpfile
1100                         nw_fgetpos
1101                         nw_fsetpos
1102                         nw_dup
1103                         nw_access
1104                         nw_chmod
1105                         nw_chsize
1106                         nw_close
1107                         nw_dup2
1108                         nw_flock
1109                         nw_isatty
1110                         nw_link
1111                         nw_lseek
1112                         nw_stat
1113                         nw_mktemp
1114                         nw_open
1115                         nw_read
1116                         nw_rename
1117                         nw_setmode
1118                         nw_unlink
1119                         nw_utime
1120                         nw_write
1121                         nw_chdir
1122                         nw_rmdir
1123                         nw_closedir
1124                         nw_opendir
1125                         nw_readdir
1126                         nw_rewinddir
1127                         nw_seekdir
1128                         nw_telldir
1129                         nw_htonl
1130                         nw_htons
1131                         nw_ntohl
1132                         nw_ntohs
1133                         nw_accept
1134                         nw_bind
1135                         nw_connect
1136                         nw_endhostent
1137                         nw_endnetent
1138                         nw_endprotoent
1139                         nw_endservent
1140                         nw_gethostbyaddr
1141                         nw_gethostbyname
1142                         nw_gethostent
1143                         nw_gethostname
1144                         nw_getnetbyaddr
1145                         nw_getnetbyname
1146                         nw_getnetent
1147                         nw_getpeername
1148                         nw_getprotobyname
1149                         nw_getprotobynumber
1150                         nw_getprotoent
1151                         nw_getservbyname
1152                         nw_getservbyport
1153                         nw_getservent
1154                         nw_getsockname
1155                         nw_getsockopt
1156                         nw_inet_addr
1157                         nw_listen
1158                         nw_socket
1159                         nw_recv
1160                         nw_recvfrom
1161                         nw_select
1162                         nw_send
1163                         nw_sendto
1164                         nw_sethostent
1165                         nw_setnetent
1166                         nw_setprotoent
1167                         nw_setservent
1168                         nw_setsockopt
1169                         nw_inet_ntoa
1170                         nw_shutdown
1171                         nw_crypt
1172                         nw_execvp
1173                         nw_kill
1174                         nw_Popen
1175                         nw_Pclose
1176                         nw_Pipe
1177                         nw_times
1178                         nw_waitpid
1179                         nw_getpid
1180                         nw_spawnvp
1181                         nw_os_id
1182                         nw_open_osfhandle
1183                         nw_get_osfhandle
1184                         nw_abort
1185                         nw_sleep
1186                         nw_wait
1187                         nw_dynaload
1188                         nw_strerror
1189                         fnFpSetMode
1190                         fnInsertHashListAddrs
1191                         fnGetHashListAddrs
1192                         Perl_deb
1193                         Perl_sv_setsv
1194                         Perl_sv_catsv
1195                         Perl_sv_catpvn
1196                         Perl_sv_2pv
1197                         nw_freeenviron
1198                         Remove_Thread_Ctx
1199                  ));
1200 }
1201
1202 # When added this code was only run for Win32 and WinCE
1203 # Currently only Win32 links static extensions into the shared library.
1204 # The WinCE makefile doesn't appear to support static extensions, so this code
1205 # can't have any effect there.
1206 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1207 # list of dynamic extensions, and the rules to build them)
1208 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1209 # static extensions with -fPIC, but links them to perl, not libperl.so
1210 # The VMS build scripts don't yet implement static extensions at all.
1211
1212 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1213     # records of type boot_module for statically linked modules (except Dynaloader)
1214     my $static_ext = $Config{static_ext} // "";
1215     $static_ext =~ s/\//__/g;
1216     $static_ext =~ s/\bDynaLoader\b//;
1217     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1218     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1219 }
1220
1221 if ($ARGS{PLATFORM} eq 'os2') {
1222     my (%mapped, @missing);
1223     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1224     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1225     close MAP or die 'Cannot close miniperl.map';
1226
1227     @missing = grep { !exists $mapped{$_} }
1228                     keys %export;
1229     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1230     delete $export{$_} foreach @missing;
1231 }
1232
1233 ###############################################################################
1234
1235 # Now all symbols should be defined because next we are going to output them.
1236
1237 # Start with platform specific headers:
1238
1239 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1240     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1241         : "perl$Config{api_revision}$Config{api_version}";
1242     print "LIBRARY $dll\n";
1243     # The DESCRIPTION module definition file statement is not supported
1244     # by VC7 onwards.
1245     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1246         print "DESCRIPTION 'Perl interpreter'\n";
1247     }
1248     print "EXPORTS\n";
1249 }
1250 elsif ($ARGS{PLATFORM} eq 'os2') {
1251     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1252     $v .= '-thread' if $Config{archname} =~ /-thread/;
1253     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1254     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1255     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1256     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1257     print <<"---EOP---";
1258 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1259 $d
1260 STACKSIZE 32768
1261 CODE LOADONCALL
1262 DATA LOADONCALL NONSHARED MULTIPLE
1263 EXPORTS
1264 ---EOP---
1265 }
1266 elsif ($ARGS{PLATFORM} eq 'aix') {
1267     my $OSVER = `uname -v`;
1268     chop $OSVER;
1269     my $OSREL = `uname -r`;
1270     chop $OSREL;
1271     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1272         print "#! ..\n";
1273     } else {
1274         print "#!\n";
1275     }
1276 }
1277 elsif ($ARGS{PLATFORM} eq 'netware') {
1278         if ($ARGS{FILETYPE} eq 'def') {
1279         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1280         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1281         print "EXPORTS\n";
1282         }
1283 }
1284
1285 # Then the symbols
1286
1287 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1288 foreach my $symbol (@symbols) {
1289     if (PLATFORM eq 'win32' || PLATFORM eq 'wince') {
1290         # Remembering the origin file of each symbol is an alternative to PL_ matching
1291         if (substr($symbol, 0, 3) eq 'PL_') {
1292             print "\t$symbol DATA\n";
1293         }
1294         else {
1295             print "\t$symbol\n";
1296         }
1297     }
1298     elsif (PLATFORM eq 'os2') {
1299         printf qq(    %-31s \@%s\n),
1300           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1301         printf qq(    %-31s \@%s\n),
1302           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1303           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1304           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1305     }
1306     elsif (PLATFORM eq 'netware') {
1307         print "\t$symbol,\n";
1308     } else {
1309         print "$symbol\n";
1310     }
1311 }
1312
1313 # Then platform specific footers.
1314
1315 if ($ARGS{PLATFORM} eq 'os2') {
1316     print <<EOP;
1317     dll_perlmain=main
1318     fill_extLibpath
1319     dir_subst
1320     Perl_OS2_handler_install
1321
1322 ; LAST_ORDINAL=$sym_ord
1323 EOP
1324 }
1325
1326 1;