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