Benchmark.t: fix skip() argument order
[perl.git] / makedef.pl
1 #./perl -w
2 #
3 # Create the export list for perl.
4 #
5 # Needed by WIN32 and OS/2 for creating perl.dll,
6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
7 # and by VMS for creating perlshr.exe.
8 #
9 # Reads from information stored in
10 #
11 #    %Config::Config (ie config.sh)
12 #    config.h
13 #    embed.fnc
14 #    globvar.sym
15 #    intrpvar.h
16 #    miniperl.map (on OS/2)
17 #    perl5.def    (on OS/2; this is the old version of the file being made)
18 #    perlio.sym
19 #    perlvars.h
20 #    regen/opcodes
21 #
22 # plus long lists of function names hard-coded directly in this script.
23 #
24 # Writes the result to STDOUT.
25 #
26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
27 # which redirects STDOUT to a suitable file, such as:
28 #
29 #    perl5.def   OS/2
30 #    perldll.def Windows
31 #    perl.exp    AIX
32 #    perl.imp    NetWare
33 #    makedef.lis VMS
34
35 BEGIN { unshift @INC, "lib" }
36 use Config;
37 use strict;
38
39 my %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
40
41 my %define;
42
43 my $fold;
44
45 sub process_cc_flags {
46     foreach (map {split /\s+/, $_} @_) {
47         $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
48     }
49 }
50
51 while (@ARGV) {
52     my $flag = shift;
53     if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
54         process_cc_flags($1);
55     } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
56         $ARGS{$1} = $2;
57     } elsif ($flag eq '--sort-fold') {
58         ++$fold;
59     }
60 }
61
62 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
63
64 {
65     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
66     my %PLATFORM;
67     @PLATFORM{@PLATFORM} = ();
68
69     die "PLATFORM undefined, must be one of: @PLATFORM\n"
70         unless defined $ARGS{PLATFORM};
71     die "PLATFORM must be one of: @PLATFORM\n"
72         unless exists $PLATFORM{$ARGS{PLATFORM}};
73 }
74
75 # Is the following guard strictly necessary? Added during refactoring
76 # to keep the same behaviour when merging other code into here.
77 process_cc_flags(@Config{qw(ccflags optimize)})
78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
79     && $ARGS{PLATFORM} ne 'netware';
80
81 # Add the compile-time options that miniperl was built with to %define.
82 # On Win32 these are not the same options as perl itself will be built
83 # with since miniperl is built with a canned config (one of the win32/
84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
85 # but they do include some #define's that are hard-coded in various
86 # source files and header files and don't include any BUILDOPT's that
87 # the user might have chosen to disable because the canned configs are
88 # minimal configs that don't include any of those options.
89
90 #don't use the host Perl's -V defines for the WinCE Perl
91 if($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 = $ARGS{PLATFORM} eq 'wince' ? 'xconfig.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{$_} foreach qw(
231                             Perl_do_spawn
232                             Perl_do_spawn_nowait
233                             Perl_do_aspawn
234                              );
235     }
236 }
237
238 unless ($define{UNLINK_ALL_VERSIONS}) {
239     ++$skip{Perl_unlnk};
240 }
241
242 unless ($define{'DEBUGGING'}) {
243     ++$skip{$_} foreach qw(
244                     Perl_debop
245                     Perl_debprofdump
246                     Perl_debstack
247                     Perl_debstackptrs
248                     Perl_pad_sv
249                     Perl_pad_setsv
250                     Perl_hv_assert
251                     PL_watchaddr
252                     PL_watchok
253                     PL_watch_pvx
254                          );
255 }
256
257 if ($define{'PERL_IMPLICIT_SYS'}) {
258     ++$skip{$_} foreach qw(
259                     Perl_my_popen
260                     Perl_my_pclose
261                          );
262     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
263     ++$export{perl_clone_host} if $define{USE_ITHREADS};
264 }
265 else {
266     ++$skip{$_} foreach qw(
267                     PL_Mem
268                     PL_MemShared
269                     PL_MemParse
270                     PL_Env
271                     PL_StdIO
272                     PL_LIO
273                     PL_Dir
274                     PL_Sock
275                     PL_Proc
276                     perl_alloc_using
277                     perl_clone_using
278                          );
279 }
280
281 unless ($define{'PERL_OLD_COPY_ON_WRITE'}
282      || $define{'PERL_NEW_COPY_ON_WRITE'}) {
283     ++$skip{Perl_sv_setsv_cow};
284 }
285
286 unless ($define{PERL_SAWAMPERSAND}) {
287     ++$skip{PL_sawampersand};
288 }
289
290 unless ($define{'USE_REENTRANT_API'}) {
291     ++$skip{PL_reentrant_buffer};
292 }
293
294 if ($define{'MYMALLOC'}) {
295     try_symbols(qw(
296                     Perl_dump_mstats
297                     Perl_get_mstats
298                     Perl_strdup
299                     Perl_putenv
300                     MallocCfg_ptr
301                     MallocCfgP_ptr
302                     ));
303     unless ($define{USE_ITHREADS}) {
304         ++$skip{PL_malloc_mutex}
305     }
306 }
307 else {
308     ++$skip{$_} foreach qw(
309                     PL_malloc_mutex
310                     Perl_dump_mstats
311                     Perl_get_mstats
312                     MallocCfg_ptr
313                     MallocCfgP_ptr
314                          );
315 }
316
317 if ($define{'PERL_USE_SAFE_PUTENV'}) {
318     ++$skip{PL_use_safe_putenv};
319 }
320
321 unless ($define{'USE_ITHREADS'}) {
322     ++$skip{PL_thr_key};
323 }
324
325 # USE_5005THREADS symbols. Kept as reference for easier removal
326 ++$skip{$_} foreach qw(
327                     PL_sv_mutex
328                     PL_strtab_mutex
329                     PL_svref_mutex
330                     PL_cred_mutex
331                     PL_eval_mutex
332                     PL_fdpid_mutex
333                     PL_sv_lock_mutex
334                     PL_eval_cond
335                     PL_eval_owner
336                     PL_threads_mutex
337                     PL_nthreads
338                     PL_nthreads_cond
339                     PL_threadnum
340                     PL_threadsv_names
341                     PL_thrsv
342                     PL_vtbl_mutex
343                     Perl_condpair_magic
344                     Perl_new_struct_thread
345                     Perl_per_thread_magicals
346                     Perl_thread_create
347                     Perl_find_threadsv
348                     Perl_unlock_condpair
349                     Perl_magic_mutexfree
350                     Perl_sv_lock
351                      );
352
353 unless ($define{'USE_ITHREADS'}) {
354     ++$skip{$_} foreach qw(
355                     PL_check_mutex
356                     PL_op_mutex
357                     PL_regex_pad
358                     PL_regex_padav
359                     PL_dollarzero_mutex
360                     PL_hints_mutex
361                     PL_my_ctx_mutex
362                     PL_perlio_mutex
363                     PL_stashpad
364                     PL_stashpadix
365                     PL_stashpadmax
366                     Perl_alloccopstash
367                     Perl_clone_params_del
368                     Perl_clone_params_new
369                     Perl_parser_dup
370                     Perl_dirp_dup
371                     Perl_cx_dup
372                     Perl_si_dup
373                     Perl_any_dup
374                     Perl_ss_dup
375                     Perl_fp_dup
376                     Perl_gp_dup
377                     Perl_he_dup
378                     Perl_mg_dup
379                     Perl_re_dup_guts
380                     Perl_sv_dup
381                     Perl_sv_dup_inc
382                     Perl_rvpv_dup
383                     Perl_hek_dup
384                     Perl_sys_intern_dup
385                     perl_clone
386                     perl_clone_using
387                     Perl_stashpv_hvname_match
388                     Perl_regdupe_internal
389                     Perl_newPADOP
390                          );
391 }
392
393 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
394     ++$skip{$_} foreach qw(
395                     PL_my_cxt_index
396                     PL_my_cxt_list
397                     PL_my_cxt_size
398                     PL_my_cxt_keys
399                     Perl_croak_nocontext
400                     Perl_die_nocontext
401                     Perl_deb_nocontext
402                     Perl_form_nocontext
403                     Perl_load_module_nocontext
404                     Perl_mess_nocontext
405                     Perl_warn_nocontext
406                     Perl_warner_nocontext
407                     Perl_newSVpvf_nocontext
408                     Perl_sv_catpvf_nocontext
409                     Perl_sv_setpvf_nocontext
410                     Perl_sv_catpvf_mg_nocontext
411                     Perl_sv_setpvf_mg_nocontext
412                     Perl_my_cxt_init
413                     Perl_my_cxt_index
414                          );
415 }
416
417 unless ($define{'PERL_NEED_APPCTX'}) {
418     ++$skip{PL_appctx};
419 }
420
421 unless ($define{'PERL_NEED_TIMESBASE'}) {
422     ++$skip{PL_timesbase};
423 }
424
425 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
426     ++$skip{PL_sv_serial};
427 }
428
429 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
430     ++$skip{PL_dumper_fd};
431 }
432
433 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
434     ++$skip{Perl_gv_SVadd};
435 }
436
437 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
438     ++$skip{Perl_my_sprintf};
439 }
440
441 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
442     ++$skip{PL_pidstatus};
443 }
444
445 unless ($define{'PERL_TRACK_MEMPOOL'}) {
446     ++$skip{PL_memory_debug_header};
447 }
448
449 unless ($define{PERL_MAD}) {
450     ++$skip{$_} foreach qw(
451                     PL_madskills
452                     PL_xmlfp
453                          );
454 }
455
456 unless ($define{'MULTIPLICITY'}) {
457     ++$skip{$_} foreach qw(
458                     PL_interp_size
459                     PL_interp_size_5_18_0
460                          );
461 }
462
463 unless ($define{'PERL_GLOBAL_STRUCT'}) {
464     ++$skip{PL_global_struct_size};
465 }
466
467 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
468     ++$skip{$_} foreach qw(
469                     PL_my_cxt_keys
470                     Perl_my_cxt_index
471                          );
472 }
473
474 unless ($define{HAS_MMAP}) {
475     ++$skip{PL_mmap_page_size};
476 }
477
478 if ($define{HAS_SIGACTION}) {
479     ++$skip{PL_sig_trapped};
480
481     if ($ARGS{PLATFORM} eq 'vms') {
482         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
483         ++$skip{PL_sig_ignoring};
484         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
485     }
486 }
487
488 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
489     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
490     ++$skip{Perl_csighandler_init};
491     ++$skip{Perl_my_kill};
492     ++$skip{Perl_sig_to_vmscondition};
493     ++$skip{PL_sig_defaulting};
494     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
495 }
496
497 unless ($define{USE_LOCALE_COLLATE}) {
498     ++$skip{$_} foreach qw(
499                     PL_collation_ix
500                     PL_collation_name
501                     PL_collation_standard
502                     PL_collxfrm_base
503                     PL_collxfrm_mult
504                     Perl_sv_collxfrm
505                     Perl_sv_collxfrm_flags
506                          );
507 }
508
509 unless ($define{USE_LOCALE_NUMERIC}) {
510     ++$skip{$_} foreach qw(
511                     PL_numeric_local
512                     PL_numeric_name
513                     PL_numeric_radix_sv
514                     PL_numeric_standard
515                          );
516 }
517
518 unless ($define{HAVE_INTERP_INTERN}) {
519     ++$skip{$_} foreach qw(
520                     Perl_sys_intern_clear
521                     Perl_sys_intern_dup
522                     Perl_sys_intern_init
523                     PL_sys_intern
524                          );
525 }
526
527 if ($define{HAS_SIGNBIT}) {
528     ++$skip{Perl_signbit};
529 }
530
531 if ($define{'PERL_GLOBAL_STRUCT'}) {
532     readvar('perlvars.h', \%skip);
533     # This seems like the least ugly way to cope with the fact that PL_sh_path
534     # is mentioned in perlvar.h and globvar.sym, and always exported.
535     delete $skip{PL_sh_path};
536     ++$export{Perl_GetVars};
537     try_symbols(qw(PL_Vars PL_VarsPtr))
538       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
539 } else {
540     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
541 }
542
543 # functions from *.sym files
544
545 my @syms = qw(globvar.sym);
546
547 # Symbols that are the public face of the PerlIO layers implementation
548 # These are in _addition to_ the public face of the abstraction
549 # and need to be exported to allow XS modules to implement layers
550 my @layer_syms = qw(
551                     PerlIOBase_binmode
552                     PerlIOBase_clearerr
553                     PerlIOBase_close
554                     PerlIOBase_dup
555                     PerlIOBase_eof
556                     PerlIOBase_error
557                     PerlIOBase_fileno
558                     PerlIOBase_open
559                     PerlIOBase_noop_fail
560                     PerlIOBase_noop_ok
561                     PerlIOBase_popped
562                     PerlIOBase_pushed
563                     PerlIOBase_read
564                     PerlIOBase_setlinebuf
565                     PerlIOBase_unread
566                     PerlIOBuf_bufsiz
567                     PerlIOBuf_close
568                     PerlIOBuf_dup
569                     PerlIOBuf_fill
570                     PerlIOBuf_flush
571                     PerlIOBuf_get_base
572                     PerlIOBuf_get_cnt
573                     PerlIOBuf_get_ptr
574                     PerlIOBuf_open
575                     PerlIOBuf_popped
576                     PerlIOBuf_pushed
577                     PerlIOBuf_read
578                     PerlIOBuf_seek
579                     PerlIOBuf_set_ptrcnt
580                     PerlIOBuf_tell
581                     PerlIOBuf_unread
582                     PerlIOBuf_write
583                     PerlIO_allocate
584                     PerlIO_apply_layera
585                     PerlIO_apply_layers
586                     PerlIO_arg_fetch
587                     PerlIO_debug
588                     PerlIO_define_layer
589                     PerlIO_find_layer
590                     PerlIO_isutf8
591                     PerlIO_layer_fetch
592                     PerlIO_list_alloc
593                     PerlIO_list_free
594                     PerlIO_modestr
595                     PerlIO_parse_layers
596                     PerlIO_pending
597                     PerlIO_perlio
598                     PerlIO_pop
599                     PerlIO_push
600                     PerlIO_sv_dup
601                     Perl_PerlIO_clearerr
602                     Perl_PerlIO_close
603                     Perl_PerlIO_context_layers
604                     Perl_PerlIO_eof
605                     Perl_PerlIO_error
606                     Perl_PerlIO_fileno
607                     Perl_PerlIO_fill
608                     Perl_PerlIO_flush
609                     Perl_PerlIO_get_base
610                     Perl_PerlIO_get_bufsiz
611                     Perl_PerlIO_get_cnt
612                     Perl_PerlIO_get_ptr
613                     Perl_PerlIO_read
614                     Perl_PerlIO_seek
615                     Perl_PerlIO_set_cnt
616                     Perl_PerlIO_set_ptrcnt
617                     Perl_PerlIO_setlinebuf
618                     Perl_PerlIO_stderr
619                     Perl_PerlIO_stdin
620                     Perl_PerlIO_stdout
621                     Perl_PerlIO_tell
622                     Perl_PerlIO_unread
623                     Perl_PerlIO_write
624 );
625 if ($ARGS{PLATFORM} eq 'netware') {
626     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
627 }
628
629 if ($define{'USE_PERLIO'}) {
630     # Export the symbols that make up the PerlIO abstraction, regardless
631     # of its implementation - read from a file
632     push @syms, 'perlio.sym';
633
634     # This part is then dependent on how the abstraction is implemented
635     if ($define{'USE_SFIO'}) {
636         # Old legacy non-stdio "PerlIO"
637         ++$skip{$_} foreach @layer_syms;
638         ++$skip{perlsio_binmode};
639         # SFIO defines most of the PerlIO routines as macros
640         # So undo most of what $perlio_sym has just done - d'oh !
641         # Perhaps it would be better to list the ones which do exist
642         # And emit them
643         ++$skip{$_} foreach qw(
644                          PerlIO_canset_cnt
645                          PerlIO_clearerr
646                          PerlIO_close
647                          PerlIO_eof
648                          PerlIO_error
649                          PerlIO_exportFILE
650                          PerlIO_fast_gets
651                          PerlIO_fdopen
652                          PerlIO_fileno
653                          PerlIO_findFILE
654                          PerlIO_flush
655                          PerlIO_get_base
656                          PerlIO_get_bufsiz
657                          PerlIO_get_cnt
658                          PerlIO_get_ptr
659                          PerlIO_getc
660                          PerlIO_getname
661                          PerlIO_has_base
662                          PerlIO_has_cntptr
663                          PerlIO_importFILE
664                          PerlIO_open
665                          PerlIO_printf
666                          PerlIO_putc
667                          PerlIO_puts
668                          PerlIO_read
669                          PerlIO_releaseFILE
670                          PerlIO_reopen
671                          PerlIO_rewind
672                          PerlIO_seek
673                          PerlIO_set_cnt
674                          PerlIO_set_ptrcnt
675                          PerlIO_setlinebuf
676                          PerlIO_sprintf
677                          PerlIO_stderr
678                          PerlIO_stdin
679                          PerlIO_stdout
680                          PerlIO_stdoutf
681                          PerlIO_tell
682                          PerlIO_ungetc
683                          PerlIO_vprintf
684                          PerlIO_write
685                          PerlIO_perlio
686                          Perl_PerlIO_clearerr
687                          Perl_PerlIO_close
688                          Perl_PerlIO_eof
689                          Perl_PerlIO_error
690                          Perl_PerlIO_fileno
691                          Perl_PerlIO_fill
692                          Perl_PerlIO_flush
693                          Perl_PerlIO_get_base
694                          Perl_PerlIO_get_bufsiz
695                          Perl_PerlIO_get_cnt
696                          Perl_PerlIO_get_ptr
697                          Perl_PerlIO_read
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                          PL_def_layerlist
709                          PL_known_layers
710                          PL_perlio
711                              );
712     }
713     else {
714         # PerlIO with layers - export implementation
715         try_symbols(@layer_syms, 'perlsio_binmode');
716     }
717 } else {
718         # -Uuseperlio
719         # Skip the PerlIO layer symbols - although
720         # nothing should have exported them anyway.
721         ++$skip{$_} foreach @layer_syms;
722         ++$skip{$_} foreach qw(
723                         perlsio_binmode
724                         PL_def_layerlist
725                         PL_known_layers
726                         PL_perlio
727                         PL_perlio_debug_fd
728                         PL_perlio_fd_refcnt
729                         PL_perlio_fd_refcnt_size
730                         PL_perlio_mutex
731                              );
732
733         # Also do NOT add abstraction symbols from $perlio_sym
734         # abstraction is done as #define to stdio
735         # Remaining remnants that _may_ be functions are handled below.
736 }
737
738 ###############################################################################
739
740 # At this point all skip lists should be completed, as we are about to test
741 # many symbols against them.
742
743 {
744     my %seen;
745     my ($embed) = setup_embed($ARGS{TARG_DIR});
746
747     foreach (@$embed) {
748         my ($flags, $retval, $func, @args) = @$_;
749         next unless $func;
750         if ($flags =~ /[AX]/ && $flags !~ /[xmi]/ || $flags =~ /b/) {
751             # public API, so export
752
753             # If a function is defined twice, for example before and after
754             # an #else, only export its name once. Important to do this test
755             # within the block, as the *first* definition may have flags which
756             # mean "don't export"
757             next if $seen{$func}++;
758             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
759             $func = "Perl_$func" if ($flags =~ /[pbX]/ && $func !~ /^Perl_/); 
760             ++$export{$func} unless exists $skip{$func};
761         }
762     }
763 }
764
765 foreach (@syms) {
766     my $syms = $ARGS{TARG_DIR} . $_;
767     open my $global, '<', $syms or die "failed to open $syms: $!\n";
768     # Functions already have a Perl_ prefix
769     # Variables need a PL_ prefix
770     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
771     while (<$global>) {
772         next unless /^([A-Za-z].*)/;
773         my $symbol = "$prefix$1";
774         ++$export{$symbol} unless exists $skip{$symbol};
775     }
776 }
777
778 # variables
779
780 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
781     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
782     # XXX AIX seems to want the perlvars.h symbols, for some reason
783     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
784         readvar('perlvars.h', \%export);
785     }
786 }
787 else {
788     unless ($define{'PERL_GLOBAL_STRUCT'}) {
789         readvar('perlvars.h', \%export);
790     }
791     unless ($define{MULTIPLICITY}) {
792         readvar('intrpvar.h', \%export);
793     }
794 }
795
796 # Oddities from PerlIO
797 # All have alternate implementations in perlio.c, so always exist.
798 # Should they be considered to be part of the API?
799 try_symbols(qw(
800                     PerlIO_binmode
801                     PerlIO_getpos
802                     PerlIO_init
803                     PerlIO_setpos
804                     PerlIO_sprintf
805                     PerlIO_tmpfile
806                     PerlIO_vsprintf
807              ));
808
809 if ($ARGS{PLATFORM} eq 'win32') {
810     try_symbols(qw(
811                                  win32_free_childdir
812                                  win32_free_childenv
813                                  win32_get_childdir
814                                  win32_get_childenv
815                                  win32_spawnvp
816                  ));
817 }
818
819 if ($ARGS{PLATFORM} eq 'wince') {
820     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
821 }
822
823 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
824     try_symbols(qw(
825                             Perl_init_os_extras
826                             Perl_thread_create
827                             Perl_win32_init
828                             Perl_win32_term
829                             RunPerl
830                             win32_async_check
831                             win32_errno
832                             win32_environ
833                             win32_abort
834                             win32_fstat
835                             win32_stat
836                             win32_pipe
837                             win32_popen
838                             win32_pclose
839                             win32_rename
840                             win32_setmode
841                             win32_chsize
842                             win32_lseek
843                             win32_tell
844                             win32_dup
845                             win32_dup2
846                             win32_open
847                             win32_close
848                             win32_eof
849                             win32_isatty
850                             win32_read
851                             win32_write
852                             win32_mkdir
853                             win32_rmdir
854                             win32_chdir
855                             win32_flock
856                             win32_execv
857                             win32_execvp
858                             win32_htons
859                             win32_ntohs
860                             win32_htonl
861                             win32_ntohl
862                             win32_inet_addr
863                             win32_inet_ntoa
864                             win32_socket
865                             win32_bind
866                             win32_listen
867                             win32_accept
868                             win32_connect
869                             win32_send
870                             win32_sendto
871                             win32_recv
872                             win32_recvfrom
873                             win32_shutdown
874                             win32_closesocket
875                             win32_ioctlsocket
876                             win32_setsockopt
877                             win32_getsockopt
878                             win32_getpeername
879                             win32_getsockname
880                             win32_gethostname
881                             win32_gethostbyname
882                             win32_gethostbyaddr
883                             win32_getprotobyname
884                             win32_getprotobynumber
885                             win32_getservbyname
886                             win32_getservbyport
887                             win32_select
888                             win32_endhostent
889                             win32_endnetent
890                             win32_endprotoent
891                             win32_endservent
892                             win32_getnetent
893                             win32_getnetbyname
894                             win32_getnetbyaddr
895                             win32_getprotoent
896                             win32_getservent
897                             win32_sethostent
898                             win32_setnetent
899                             win32_setprotoent
900                             win32_setservent
901                             win32_getenv
902                             win32_putenv
903                             win32_perror
904                             win32_malloc
905                             win32_calloc
906                             win32_realloc
907                             win32_free
908                             win32_sleep
909                             win32_times
910                             win32_access
911                             win32_alarm
912                             win32_chmod
913                             win32_open_osfhandle
914                             win32_get_osfhandle
915                             win32_ioctl
916                             win32_link
917                             win32_unlink
918                             win32_utime
919                             win32_gettimeofday
920                             win32_uname
921                             win32_wait
922                             win32_waitpid
923                             win32_kill
924                             win32_str_os_error
925                             win32_opendir
926                             win32_readdir
927                             win32_telldir
928                             win32_seekdir
929                             win32_rewinddir
930                             win32_closedir
931                             win32_longpath
932                             win32_ansipath
933                             win32_os_id
934                             win32_getpid
935                             win32_crypt
936                             win32_dynaload
937                             win32_clearenv
938                             win32_stdin
939                             win32_stdout
940                             win32_stderr
941                             win32_ferror
942                             win32_feof
943                             win32_strerror
944                             win32_fprintf
945                             win32_printf
946                             win32_vfprintf
947                             win32_vprintf
948                             win32_fread
949                             win32_fwrite
950                             win32_fopen
951                             win32_fdopen
952                             win32_freopen
953                             win32_fclose
954                             win32_fputs
955                             win32_fputc
956                             win32_ungetc
957                             win32_getc
958                             win32_fileno
959                             win32_clearerr
960                             win32_fflush
961                             win32_ftell
962                             win32_fseek
963                             win32_fgetpos
964                             win32_fsetpos
965                             win32_rewind
966                             win32_tmpfile
967                             win32_setbuf
968                             win32_setvbuf
969                             win32_flushall
970                             win32_fcloseall
971                             win32_fgets
972                             win32_gets
973                             win32_fgetc
974                             win32_putc
975                             win32_puts
976                             win32_getchar
977                             win32_putchar
978                  ));
979 }
980 elsif ($ARGS{PLATFORM} eq 'vms') {
981     try_symbols(qw(
982                       Perl_cando
983                       Perl_cando_by_name
984                       Perl_closedir
985                       Perl_csighandler_init
986                       Perl_do_rmdir
987                       Perl_fileify_dirspec
988                       Perl_fileify_dirspec_ts
989                       Perl_fileify_dirspec_utf8
990                       Perl_fileify_dirspec_utf8_ts
991                       Perl_flex_fstat
992                       Perl_flex_lstat
993                       Perl_flex_stat
994                       Perl_kill_file
995                       Perl_my_chdir
996                       Perl_my_chmod
997                       Perl_my_crypt
998                       Perl_my_endpwent
999                       Perl_my_fclose
1000                       Perl_my_fdopen
1001                       Perl_my_fgetname
1002                       Perl_my_flush
1003                       Perl_my_fwrite
1004                       Perl_my_gconvert
1005                       Perl_my_getenv
1006                       Perl_my_getenv_len
1007                       Perl_my_getlogin
1008                       Perl_my_getpwnam
1009                       Perl_my_getpwuid
1010                       Perl_my_gmtime
1011                       Perl_my_kill
1012                       Perl_my_localtime
1013                       Perl_my_mkdir
1014                       Perl_my_sigaction
1015                       Perl_my_symlink
1016                       Perl_my_time
1017                       Perl_my_tmpfile
1018                       Perl_my_trnlnm
1019                       Perl_my_utime
1020                       Perl_my_waitpid
1021                       Perl_opendir
1022                       Perl_pathify_dirspec
1023                       Perl_pathify_dirspec_ts
1024                       Perl_pathify_dirspec_utf8
1025                       Perl_pathify_dirspec_utf8_ts
1026                       Perl_readdir
1027                       Perl_readdir_r
1028                       Perl_rename
1029                       Perl_rmscopy
1030                       Perl_rmsexpand
1031                       Perl_rmsexpand_ts
1032                       Perl_rmsexpand_utf8
1033                       Perl_rmsexpand_utf8_ts
1034                       Perl_seekdir
1035                       Perl_sig_to_vmscondition
1036                       Perl_telldir
1037                       Perl_tounixpath
1038                       Perl_tounixpath_ts
1039                       Perl_tounixpath_utf8
1040                       Perl_tounixpath_utf8_ts
1041                       Perl_tounixspec
1042                       Perl_tounixspec_ts
1043                       Perl_tounixspec_utf8
1044                       Perl_tounixspec_utf8_ts
1045                       Perl_tovmspath
1046                       Perl_tovmspath_ts
1047                       Perl_tovmspath_utf8
1048                       Perl_tovmspath_utf8_ts
1049                       Perl_tovmsspec
1050                       Perl_tovmsspec_ts
1051                       Perl_tovmsspec_utf8
1052                       Perl_tovmsspec_utf8_ts
1053                       Perl_trim_unixpath
1054                       Perl_vms_case_tolerant
1055                       Perl_vms_do_aexec
1056                       Perl_vms_do_exec
1057                       Perl_vms_image_init
1058                       Perl_vms_realpath
1059                       Perl_vmssetenv
1060                       Perl_vmssetuserlnm
1061                       Perl_vmstrnenv
1062                       PerlIO_openn
1063                  ));
1064 }
1065 elsif ($ARGS{PLATFORM} eq 'os2') {
1066     try_symbols(qw(
1067                       ctermid
1068                       get_sysinfo
1069                       Perl_OS2_init
1070                       Perl_OS2_init3
1071                       Perl_OS2_term
1072                       OS2_Perl_data
1073                       dlopen
1074                       dlsym
1075                       dlerror
1076                       dlclose
1077                       dup2
1078                       dup
1079                       my_tmpfile
1080                       my_tmpnam
1081                       my_flock
1082                       my_rmdir
1083                       my_mkdir
1084                       my_getpwuid
1085                       my_getpwnam
1086                       my_getpwent
1087                       my_setpwent
1088                       my_endpwent
1089                       fork_with_resources
1090                       croak_with_os2error
1091                       setgrent
1092                       endgrent
1093                       getgrent
1094                       malloc_mutex
1095                       threads_mutex
1096                       nthreads
1097                       nthreads_cond
1098                       os2_cond_wait
1099                       os2_stat
1100                       os2_execname
1101                       async_mssleep
1102                       msCounter
1103                       InfoTable
1104                       pthread_join
1105                       pthread_create
1106                       pthread_detach
1107                       XS_Cwd_change_drive
1108                       XS_Cwd_current_drive
1109                       XS_Cwd_extLibpath
1110                       XS_Cwd_extLibpath_set
1111                       XS_Cwd_sys_abspath
1112                       XS_Cwd_sys_chdir
1113                       XS_Cwd_sys_cwd
1114                       XS_Cwd_sys_is_absolute
1115                       XS_Cwd_sys_is_relative
1116                       XS_Cwd_sys_is_rooted
1117                       XS_DynaLoader_mod2fname
1118                       XS_File__Copy_syscopy
1119                       Perl_Register_MQ
1120                       Perl_Deregister_MQ
1121                       Perl_Serve_Messages
1122                       Perl_Process_Messages
1123                       init_PMWIN_entries
1124                       PMWIN_entries
1125                       Perl_hab_GET
1126                       loadByOrdinal
1127                       pExtFCN
1128                       os2error
1129                       ResetWinError
1130                       CroakWinError
1131                       PL_do_undump
1132                  ));
1133 }
1134 elsif ($ARGS{PLATFORM} eq 'netware') {
1135     try_symbols(qw(
1136                         Perl_init_os_extras
1137                         Perl_thread_create
1138                         Perl_nw5_init
1139                         RunPerl
1140                         AllocStdPerl
1141                         FreeStdPerl
1142                         do_spawn2
1143                         do_aspawn
1144                         nw_uname
1145                         nw_stdin
1146                         nw_stdout
1147                         nw_stderr
1148                         nw_feof
1149                         nw_ferror
1150                         nw_fopen
1151                         nw_fclose
1152                         nw_clearerr
1153                         nw_getc
1154                         nw_fgets
1155                         nw_fputc
1156                         nw_fputs
1157                         nw_fflush
1158                         nw_ungetc
1159                         nw_fileno
1160                         nw_fdopen
1161                         nw_freopen
1162                         nw_fread
1163                         nw_fwrite
1164                         nw_setbuf
1165                         nw_setvbuf
1166                         nw_vfprintf
1167                         nw_ftell
1168                         nw_fseek
1169                         nw_rewind
1170                         nw_tmpfile
1171                         nw_fgetpos
1172                         nw_fsetpos
1173                         nw_dup
1174                         nw_access
1175                         nw_chmod
1176                         nw_chsize
1177                         nw_close
1178                         nw_dup2
1179                         nw_flock
1180                         nw_isatty
1181                         nw_link
1182                         nw_lseek
1183                         nw_stat
1184                         nw_mktemp
1185                         nw_open
1186                         nw_read
1187                         nw_rename
1188                         nw_setmode
1189                         nw_unlink
1190                         nw_utime
1191                         nw_write
1192                         nw_chdir
1193                         nw_rmdir
1194                         nw_closedir
1195                         nw_opendir
1196                         nw_readdir
1197                         nw_rewinddir
1198                         nw_seekdir
1199                         nw_telldir
1200                         nw_htonl
1201                         nw_htons
1202                         nw_ntohl
1203                         nw_ntohs
1204                         nw_accept
1205                         nw_bind
1206                         nw_connect
1207                         nw_endhostent
1208                         nw_endnetent
1209                         nw_endprotoent
1210                         nw_endservent
1211                         nw_gethostbyaddr
1212                         nw_gethostbyname
1213                         nw_gethostent
1214                         nw_gethostname
1215                         nw_getnetbyaddr
1216                         nw_getnetbyname
1217                         nw_getnetent
1218                         nw_getpeername
1219                         nw_getprotobyname
1220                         nw_getprotobynumber
1221                         nw_getprotoent
1222                         nw_getservbyname
1223                         nw_getservbyport
1224                         nw_getservent
1225                         nw_getsockname
1226                         nw_getsockopt
1227                         nw_inet_addr
1228                         nw_listen
1229                         nw_socket
1230                         nw_recv
1231                         nw_recvfrom
1232                         nw_select
1233                         nw_send
1234                         nw_sendto
1235                         nw_sethostent
1236                         nw_setnetent
1237                         nw_setprotoent
1238                         nw_setservent
1239                         nw_setsockopt
1240                         nw_inet_ntoa
1241                         nw_shutdown
1242                         nw_crypt
1243                         nw_execvp
1244                         nw_kill
1245                         nw_Popen
1246                         nw_Pclose
1247                         nw_Pipe
1248                         nw_times
1249                         nw_waitpid
1250                         nw_getpid
1251                         nw_spawnvp
1252                         nw_os_id
1253                         nw_open_osfhandle
1254                         nw_get_osfhandle
1255                         nw_abort
1256                         nw_sleep
1257                         nw_wait
1258                         nw_dynaload
1259                         nw_strerror
1260                         fnFpSetMode
1261                         fnInsertHashListAddrs
1262                         fnGetHashListAddrs
1263                         Perl_deb
1264                         Perl_sv_setsv
1265                         Perl_sv_catsv
1266                         Perl_sv_catpvn
1267                         Perl_sv_2pv
1268                         nw_freeenviron
1269                         Remove_Thread_Ctx
1270                  ));
1271 }
1272
1273 # When added this code was only run for Win32 and WinCE
1274 # Currently only Win32 links static extensions into the shared library.
1275 # The WinCE makefile doesn't appear to support static extensions, so this code
1276 # can't have any effect there.
1277 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1278 # list of dynamic extensions, and the rules to build them)
1279 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1280 # static extensions with -fPIC, but links them to perl, not libperl.so
1281 # The VMS build scripts don't yet implement static extensions at all.
1282
1283 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1284     # records of type boot_module for statically linked modules (except Dynaloader)
1285     my $static_ext = $Config{static_ext} // "";
1286     $static_ext =~ s/\//__/g;
1287     $static_ext =~ s/\bDynaLoader\b//;
1288     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1289     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1290 }
1291
1292 if ($ARGS{PLATFORM} eq 'os2') {
1293     my (%mapped, @missing);
1294     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1295     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1296     close MAP or die 'Cannot close miniperl.map';
1297
1298     @missing = grep { !exists $mapped{$_} }
1299                     keys %export;
1300     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1301     delete $export{$_} foreach @missing;
1302 }
1303
1304 ###############################################################################
1305
1306 # Now all symbols should be defined because next we are going to output them.
1307
1308 # Start with platform specific headers:
1309
1310 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1311     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1312         : "perl$Config{api_revision}$Config{api_version}";
1313     print "LIBRARY $dll\n";
1314     # The DESCRIPTION module definition file statement is not supported
1315     # by VC7 onwards.
1316     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1317         print "DESCRIPTION 'Perl interpreter'\n";
1318     }
1319     print "EXPORTS\n";
1320 }
1321 elsif ($ARGS{PLATFORM} eq 'os2') {
1322     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1323     $v .= '-thread' if $Config{archname} =~ /-thread/;
1324     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1325     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1326     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1327     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1328     print <<"---EOP---";
1329 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1330 $d
1331 STACKSIZE 32768
1332 CODE LOADONCALL
1333 DATA LOADONCALL NONSHARED MULTIPLE
1334 EXPORTS
1335 ---EOP---
1336 }
1337 elsif ($ARGS{PLATFORM} eq 'aix') {
1338     my $OSVER = `uname -v`;
1339     chop $OSVER;
1340     my $OSREL = `uname -r`;
1341     chop $OSREL;
1342     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1343         print "#! ..\n";
1344     } else {
1345         print "#!\n";
1346     }
1347 }
1348 elsif ($ARGS{PLATFORM} eq 'netware') {
1349         if ($ARGS{FILETYPE} eq 'def') {
1350         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1351         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1352         print "EXPORTS\n";
1353         }
1354 }
1355
1356 # Then the symbols
1357
1358 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1359 foreach my $symbol (@symbols) {
1360     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1361         print "\t$symbol\n";
1362     }
1363     elsif ($ARGS{PLATFORM} eq 'os2') {
1364         printf qq(    %-31s \@%s\n),
1365           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1366         printf qq(    %-31s \@%s\n),
1367           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1368           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1369           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1370     }
1371     elsif ($ARGS{PLATFORM} eq 'netware') {
1372         print "\t$symbol,\n";
1373     } else {
1374         print "$symbol\n";
1375     }
1376 }
1377
1378 # Then platform specific footers.
1379
1380 if ($ARGS{PLATFORM} eq 'os2') {
1381     print <<EOP;
1382     dll_perlmain=main
1383     fill_extLibpath
1384     dir_subst
1385     Perl_OS2_handler_install
1386
1387 ; LAST_ORDINAL=$sym_ord
1388 EOP
1389 }
1390
1391 1;