makedef.pl

   1 #./perl -w
   2 #
   3 # Create the export list for perl.
   4 #
   5 # Needed by WIN32 and OS/2 for creating perl.dll,
   6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
   7 # and by VMS for creating perlshr.exe.
   8 #
   9 # Reads from information stored in
  10 #
  11 #    %Config::Config (ie config.sh)
  12 #    config.h
  13 #    embed.fnc
  14 #    globvar.sym
  15 #    intrpvar.h
  16 #    miniperl.map (on OS/2)
  17 #    perl5.def    (on OS/2; this is the old version of the file being made)
  18 #    perlio.sym
  19 #    perlvars.h
  20 #    regen/opcodes
  21 #
  22 # plus long lists of function names hard-coded directly in this script.
  23 #
  24 # Writes the result to STDOUT.
  25 #
  26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
  27 # which redirects STDOUT to a suitable file, such as:
  28 #
  29 #    perl5.def   OS/2
  30 #    perldll.def Windows
  31 #    perl.exp    AIX
  32 #    perl.imp    NetWare
  33 #    makedef.lis VMS
  34
  35 my $fold;
  36 my %ARGS;
  37 my %define;
  38
  39 BEGIN {
  40     BEGIN { unshift @INC, "lib" }
  41     use Config;
  42     use strict;
  43
  44     %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
  45
  46     sub process_cc_flags {
  47         foreach (map {split /\s+/, $_} @_) {
  48             $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  49         }
  50     }
  51
  52     while (@ARGV) {
  53         my $flag = shift;
  54         if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  55             process_cc_flags($1);
  56         } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  57             $ARGS{$1} = $2;
  58         } elsif ($flag eq '--sort-fold') {
  59             ++$fold;
  60         }
  61     }
  62     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  63     my %PLATFORM;
  64     @PLATFORM{@PLATFORM} = ();
  65
  66     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  67         unless defined $ARGS{PLATFORM};
  68     die "PLATFORM must be one of: @PLATFORM\n"
  69         unless exists $PLATFORM{$ARGS{PLATFORM}};
  70 }
  71 use constant PLATFORM => $ARGS{PLATFORM};
  72
  73 require "./$ARGS{TARG_DIR}regen/embed_lib.pl";
  74
  75 # Is the following guard strictly necessary? Added during refactoring
  76 # to keep the same behaviour when merging other code into here.
  77 process_cc_flags(@Config{qw(ccflags optimize)})
  78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
  79     && $ARGS{PLATFORM} ne 'netware';
  80
  81 # Add the compile-time options that miniperl was built with to %define.
  82 # On Win32 these are not the same options as perl itself will be built
  83 # with since miniperl is built with a canned config (one of the win32/
  84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  85 # but they do include some #define's that are hard-coded in various
  86 # source files and header files and don't include any BUILDOPT's that
  87 # the user might have chosen to disable because the canned configs are
  88 # minimal configs that don't include any of those options.
  89
  90 #don't use the host Perl's -V defines for the WinCE Perl
  91 if($ARGS{PLATFORM} ne 'wince') {
  92     my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
  93     print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
  94     $define{$_} = 1 foreach @options;
  95 }
  96
  97 my %exportperlmalloc =
  98     (
  99        Perl_malloc              =>      "malloc",
 100        Perl_mfree               =>      "free",
 101        Perl_realloc             =>      "realloc",
 102        Perl_calloc              =>      "calloc",
 103     );
 104
 105 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
 106
 107 my $config_h = 'config.h';
 108 open(CFG, '<', $config_h) || die "Cannot open $config_h: $!\n";
 109 while (<CFG>) {
 110     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 111                                            |KILL_BY_SIGPRC
 112                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 113 }
 114 close(CFG);
 115
 116 # perl.h logic duplication begins
 117
 118 if ($define{USE_ITHREADS}) {
 119     if (!$define{MULTIPLICITY}) {
 120         $define{MULTIPLICITY} = 1;
 121     }
 122 }
 123
 124 $define{PERL_IMPLICIT_CONTEXT} ||=
 125     $define{USE_ITHREADS} ||
 126     $define{MULTIPLICITY} ;
 127
 128 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'netware') {
 129     $define{USE_REENTRANT_API} = 1;
 130 }
 131
 132 if (     $define{USE_ITHREADS}
 133     &&   $define{HAS_SETLOCALE}
 134     && ! $define{NO_LOCALE}
 135     && ! $define{NO_POSIX_2008_LOCALE})
 136 {
 137     $define{HAS_POSIX_2008_LOCALE} = 1 if $define{HAS_NEWLOCALE}
 138                                        && $define{HAS_FREELOCALE}
 139                                        && $define{HAS_USELOCALE};
 140     my $cctype = $ARGS{CCTYPE} =~ s/MSVC//r;
 141     if (    ! $define{NO_THREAD_SAFE_LOCALE}
 142         && (  $define{HAS_POSIX_2008_LOCALE}
 143             || ($ARGS{PLATFORM} eq 'win32' && (   $cctype !~ /\D/
 144                                                && $cctype >= 80))))
 145     {
 146         $define{USE_THREAD_SAFE_LOCALE} = 1;
 147         $define{USE_POSIX_2008_LOCALE} = 1 if $define{HAS_POSIX_2008_LOCALE};
 148     }
 149
 150     if (   $ARGS{PLATFORM} eq 'win32'
 151         && $define{USE_THREAD_SAFE_LOCALE}
 152         && $cctype < 140)
 153     {
 154         $define{TS_W32_BROKEN_LOCALECONV} = 1;
 155     }
 156 }
 157
 158 # perl.h logic duplication ends
 159
 160 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 161      unless $ARGS{PLATFORM} eq 'test';
 162
 163 my $sym_ord = 0;
 164 my %ordinal;
 165
 166 if ($ARGS{PLATFORM} eq 'os2') {
 167     if (open my $fh, '<', 'perl5.def') {
 168       while (<$fh>) {
 169         last if /^\s*EXPORTS\b/;
 170       }
 171       while (<$fh>) {
 172         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 173         # This allows skipping ordinals which were used in older versions
 174         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 175       }
 176       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 177     }
 178 }
 179
 180 my %skip;
 181 # All platforms export boot_DynaLoader unconditionally.
 182 my %export = ( boot_DynaLoader => 1 );
 183
 184 sub try_symbols {
 185     foreach my $symbol (@_) {
 186         ++$export{$symbol} unless exists $skip{$symbol};
 187     }
 188 }
 189
 190 sub readvar {
 191     # $hash is the hash that we're adding to. For one of our callers, it will
 192     # actually be the skip hash but that doesn't affect the intent of what
 193     # we're doing, as in that case we skip adding something to the skip hash
 194     # for the second time.
 195
 196     my $file = $ARGS{TARG_DIR} . shift;
 197     my $hash = shift;
 198     my $proc = shift;
 199     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 200
 201     while (<$vars>) {
 202         # All symbols have a Perl_ prefix because that's what embed.h sticks
 203         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 204         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 205
 206         my $var = "PL_$3";
 207         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 208         ++$hash->{$symbol} unless exists $skip{$var};
 209     }
 210 }
 211
 212 if ($ARGS{PLATFORM} ne 'os2') {
 213     ++$skip{$_} foreach qw(
 214                      PL_cryptseen
 215                      PL_opsave
 216                      Perl_GetVars
 217                      Perl_dump_fds
 218                      Perl_my_bcopy
 219                      Perl_my_bzero
 220                      Perl_my_chsize
 221                      Perl_my_htonl
 222                      Perl_my_memcmp
 223                      Perl_my_memset
 224                      Perl_my_ntohl
 225                      Perl_my_swap
 226                          );
 227     if ($ARGS{PLATFORM} eq 'vms') {
 228         ++$skip{PL_statusvalue_posix};
 229         # This is a wrapper if we have symlink, not a replacement
 230         # if we don't.
 231         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
 232     } else {
 233         ++$skip{PL_statusvalue_vms};
 234         ++$skip{PL_perllib_sep};
 235         if ($ARGS{PLATFORM} ne 'aix') {
 236             ++$skip{$_} foreach qw(
 237                                 PL_DBcv
 238                                 PL_generation
 239                                 PL_lastgotoprobe
 240                                 PL_modcount
 241                                 main
 242                                  );
 243         }
 244     }
 245 }
 246
 247 if ($ARGS{PLATFORM} ne 'vms') {
 248     # VMS does its own thing for these symbols.
 249     ++$skip{$_} foreach qw(
 250                         PL_sig_handlers_initted
 251                         PL_sig_ignoring
 252                         PL_sig_defaulting
 253                          );
 254     if ($ARGS{PLATFORM} ne 'win32') {
 255         ++$skip{$_} foreach qw(
 256                             Perl_do_spawn
 257                             Perl_do_spawn_nowait
 258                             Perl_do_aspawn
 259                              );
 260     }
 261 }
 262
 263 if ($ARGS{PLATFORM} ne 'win32') {
 264     ++$skip{$_} foreach qw(
 265                     Perl_my_setlocale
 266                          );
 267 }
 268
 269 unless ($define{UNLINK_ALL_VERSIONS}) {
 270     ++$skip{Perl_unlnk};
 271 }
 272
 273 unless ($define{'DEBUGGING'}) {
 274     ++$skip{$_} foreach qw(
 275                     Perl_debop
 276                     Perl_debprofdump
 277                     Perl_debstack
 278                     Perl_debstackptrs
 279                     Perl_pad_sv
 280                     Perl_pad_setsv
 281                     Perl__setlocale_debug_string
 282                     Perl_set_padlist
 283                     Perl_hv_assert
 284                     PL_watchaddr
 285                     PL_watchok
 286                     PL_watch_pvx
 287                          );
 288 }
 289
 290 if ($define{'PERL_IMPLICIT_SYS'}) {
 291     ++$skip{$_} foreach qw(
 292                     Perl_my_popen
 293                     Perl_my_pclose
 294                          );
 295     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 296     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 297 }
 298 else {
 299     ++$skip{$_} foreach qw(
 300                     PL_Mem
 301                     PL_MemShared
 302                     PL_MemParse
 303                     PL_Env
 304                     PL_StdIO
 305                     PL_LIO
 306                     PL_Dir
 307                     PL_Sock
 308                     PL_Proc
 309                     perl_alloc_using
 310                     perl_clone_using
 311                          );
 312 }
 313
 314 if (!$define{'PERL_COPY_ON_WRITE'} || $define{'PERL_NO_COW'}) {
 315     ++$skip{Perl_sv_setsv_cow};
 316 }
 317
 318 unless ($define{PERL_SAWAMPERSAND}) {
 319     ++$skip{PL_sawampersand};
 320 }
 321
 322 unless ($define{'USE_REENTRANT_API'}) {
 323     ++$skip{PL_reentrant_buffer};
 324 }
 325
 326 if ($define{'MYMALLOC'}) {
 327     try_symbols(qw(
 328                     Perl_dump_mstats
 329                     Perl_get_mstats
 330                     Perl_strdup
 331                     Perl_putenv
 332                     MallocCfg_ptr
 333                     MallocCfgP_ptr
 334                     ));
 335     unless ($define{USE_ITHREADS}) {
 336         ++$skip{PL_malloc_mutex}
 337     }
 338 }
 339 else {
 340     ++$skip{$_} foreach qw(
 341                     PL_malloc_mutex
 342                     Perl_dump_mstats
 343                     Perl_get_mstats
 344                     MallocCfg_ptr
 345                     MallocCfgP_ptr
 346                          );
 347 }
 348
 349 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 350     ++$skip{PL_use_safe_putenv};
 351 }
 352
 353 unless ($define{'USE_ITHREADS'}) {
 354     ++$skip{PL_thr_key};
 355 }
 356
 357 # USE_5005THREADS symbols. Kept as reference for easier removal
 358 ++$skip{$_} foreach qw(
 359                     PL_sv_mutex
 360                     PL_strtab_mutex
 361                     PL_svref_mutex
 362                     PL_cred_mutex
 363                     PL_eval_mutex
 364                     PL_fdpid_mutex
 365                     PL_sv_lock_mutex
 366                     PL_eval_cond
 367                     PL_eval_owner
 368                     PL_threads_mutex
 369                     PL_nthreads
 370                     PL_nthreads_cond
 371                     PL_threadnum
 372                     PL_threadsv_names
 373                     PL_thrsv
 374                     PL_vtbl_mutex
 375                     Perl_condpair_magic
 376                     Perl_new_struct_thread
 377                     Perl_per_thread_magicals
 378                     Perl_thread_create
 379                     Perl_find_threadsv
 380                     Perl_unlock_condpair
 381                     Perl_magic_mutexfree
 382                     Perl_sv_lock
 383                      );
 384
 385 unless ($define{'USE_ITHREADS'}) {
 386     ++$skip{$_} foreach qw(
 387                     PL_keyword_plugin_mutex
 388                     PL_check_mutex
 389                     PL_curlocales
 390                     PL_op_mutex
 391                     PL_regex_pad
 392                     PL_regex_padav
 393                     PL_dollarzero_mutex
 394                     PL_hints_mutex
 395                     PL_locale_mutex
 396                     PL_lc_numeric_mutex
 397                     PL_lc_numeric_mutex_depth
 398                     PL_my_ctx_mutex
 399                     PL_perlio_mutex
 400                     PL_stashpad
 401                     PL_stashpadix
 402                     PL_stashpadmax
 403                     Perl_alloccopstash
 404                     Perl_allocfilegv
 405                     Perl_clone_params_del
 406                     Perl_clone_params_new
 407                     Perl_parser_dup
 408                     Perl_dirp_dup
 409                     Perl_cx_dup
 410                     Perl_si_dup
 411                     Perl_any_dup
 412                     Perl_ss_dup
 413                     Perl_fp_dup
 414                     Perl_gp_dup
 415                     Perl_he_dup
 416                     Perl_mg_dup
 417                     Perl_re_dup_guts
 418                     Perl_sv_dup
 419                     Perl_sv_dup_inc
 420                     Perl_rvpv_dup
 421                     Perl_hek_dup
 422                     Perl_sys_intern_dup
 423                     perl_clone
 424                     perl_clone_using
 425                     Perl_stashpv_hvname_match
 426                     Perl_regdupe_internal
 427                     Perl_newPADOP
 428                     PL_C_locale_obj
 429                          );
 430 }
 431
 432 unless ( $define{'HAS_NEWLOCALE'}
 433     &&   $define{'HAS_FREELOCALE'}
 434     &&   $define{'HAS_USELOCALE'}
 435     && ! $define{'NO_POSIX_2008_LOCALE'})
 436 {
 437     ++$skip{$_} foreach qw(
 438         PL_C_locale_obj
 439         PL_underlying_numeric_obj
 440     );
 441 }
 442
 443 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 444     ++$skip{$_} foreach qw(
 445                     PL_my_cxt_index
 446                     PL_my_cxt_list
 447                     PL_my_cxt_size
 448                     PL_my_cxt_keys
 449                     Perl_croak_nocontext
 450                     Perl_die_nocontext
 451                     Perl_deb_nocontext
 452                     Perl_form_nocontext
 453                     Perl_load_module_nocontext
 454                     Perl_mess_nocontext
 455                     Perl_warn_nocontext
 456                     Perl_warner_nocontext
 457                     Perl_newSVpvf_nocontext
 458                     Perl_sv_catpvf_nocontext
 459                     Perl_sv_setpvf_nocontext
 460                     Perl_sv_catpvf_mg_nocontext
 461                     Perl_sv_setpvf_mg_nocontext
 462                     Perl_my_cxt_init
 463                     Perl_my_cxt_index
 464                          );
 465 }
 466
 467 if ($define{USE_THREAD_SAFE_LOCALE}) {
 468     ++$skip{PL_lc_numeric_mutex};
 469     ++$skip{PL_lc_numeric_mutex_depth};
 470     if (! $define{TS_W32_BROKEN_LOCALECONV}) {
 471         ++$skip{PL_locale_mutex};
 472     }
 473 }
 474
 475 unless ($define{'PERL_OP_PARENT'}) {
 476     ++$skip{$_} foreach qw(
 477                     Perl_op_parent
 478                 );
 479 }
 480
 481 unless ($define{'USE_DTRACE'}) {
 482     ++$skip{$_} foreach qw(
 483                     Perl_dtrace_probe_call
 484                     Perl_dtrace_probe_load
 485                     Perl_dtrace_probe_op
 486                     Perl_dtrace_probe_phase
 487                 );
 488 }
 489
 490 unless ($define{'PERL_NEED_APPCTX'}) {
 491     ++$skip{PL_appctx};
 492 }
 493
 494 unless ($define{'PERL_NEED_TIMESBASE'}) {
 495     ++$skip{PL_timesbase};
 496 }
 497
 498 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 499     ++$skip{PL_sv_serial};
 500 }
 501
 502 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 503     ++$skip{PL_dumper_fd};
 504 }
 505
 506 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 507     ++$skip{Perl_gv_SVadd};
 508 }
 509
 510 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 511     ++$skip{PL_pidstatus};
 512 }
 513
 514 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 515     ++$skip{PL_memory_debug_header};
 516 }
 517
 518 unless ($define{'MULTIPLICITY'}) {
 519     ++$skip{$_} foreach qw(
 520                     PL_interp_size
 521                     PL_interp_size_5_18_0
 522                     PL_sv_yes
 523                     PL_sv_undef
 524                     PL_sv_no
 525                     PL_sv_zero
 526                          );
 527 }
 528
 529 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 530     ++$skip{PL_global_struct_size};
 531 }
 532
 533 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 534     ++$skip{$_} foreach qw(
 535                     PL_my_cxt_keys
 536                     Perl_my_cxt_index
 537                          );
 538 }
 539
 540 unless ($define{HAS_MMAP}) {
 541     ++$skip{PL_mmap_page_size};
 542 }
 543
 544 if ($define{HAS_SIGACTION}) {
 545     ++$skip{PL_sig_trapped};
 546
 547     if ($ARGS{PLATFORM} eq 'vms') {
 548         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 549         ++$skip{PL_sig_ignoring};
 550         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
 551     }
 552 }
 553
 554 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
 555     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
 556     ++$skip{Perl_csighandler_init};
 557     ++$skip{Perl_my_kill};
 558     ++$skip{Perl_sig_to_vmscondition};
 559     ++$skip{PL_sig_defaulting};
 560     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
 561 }
 562
 563 if ($define{'HAS_STRNLEN'})
 564 {
 565     ++$skip{Perl_my_strnlen};
 566 }
 567
 568 unless ($define{USE_LOCALE_COLLATE}) {
 569     ++$skip{$_} foreach qw(
 570                     PL_collation_ix
 571                     PL_collation_name
 572                     PL_collation_standard
 573                     PL_collxfrm_base
 574                     PL_collxfrm_mult
 575                     Perl_sv_collxfrm
 576                     Perl_sv_collxfrm_flags
 577                     PL_strxfrm_NUL_replacement
 578                     PL_strxfrm_is_behaved
 579                     PL_strxfrm_max_cp
 580                          );
 581 }
 582
 583 unless ($define{USE_LOCALE_NUMERIC}) {
 584     ++$skip{$_} foreach qw(
 585                     PL_numeric_local
 586                     PL_numeric_name
 587                     PL_numeric_radix_sv
 588                     PL_numeric_standard
 589                     PL_numeric_underlying
 590                     PL_numeric_underlying_is_standard
 591                     PL_underlying_numeric_obj
 592                          );
 593 }
 594
 595 unless ($define{'USE_C_BACKTRACE'}) {
 596     ++$skip{Perl_get_c_backtrace_dump};
 597     ++$skip{Perl_dump_c_backtrace};
 598 }
 599
 600 unless ($define{HAVE_INTERP_INTERN}) {
 601     ++$skip{$_} foreach qw(
 602                     Perl_sys_intern_clear
 603                     Perl_sys_intern_dup
 604                     Perl_sys_intern_init
 605                     PL_sys_intern
 606                          );
 607 }
 608
 609 if ($define{HAS_SIGNBIT}) {
 610     ++$skip{Perl_signbit};
 611 }
 612
 613 if ($define{'PERL_GLOBAL_STRUCT'}) {
 614     readvar('perlvars.h', \%skip);
 615     # This seems like the least ugly way to cope with the fact that PL_sh_path
 616     # is mentioned in perlvar.h and globvar.sym, and always exported.
 617     delete $skip{PL_sh_path};
 618     ++$export{Perl_GetVars};
 619     try_symbols(qw(PL_Vars PL_VarsPtr))
 620       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
 621 } else {
 622     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 623 }
 624
 625 ++$skip{PL_op_exec_cnt}
 626     unless $define{PERL_TRACE_OPS};
 627
 628 ++$skip{PL_hash_chars}
 629     unless $define{PERL_USE_SINGLE_CHAR_HASH_CACHE};
 630
 631 # functions from *.sym files
 632
 633 my @syms = qw(globvar.sym);
 634
 635 # Symbols that are the public face of the PerlIO layers implementation
 636 # These are in _addition to_ the public face of the abstraction
 637 # and need to be exported to allow XS modules to implement layers
 638 my @layer_syms = qw(
 639                     PerlIOBase_binmode
 640                     PerlIOBase_clearerr
 641                     PerlIOBase_close
 642                     PerlIOBase_dup
 643                     PerlIOBase_eof
 644                     PerlIOBase_error
 645                     PerlIOBase_fileno
 646                     PerlIOBase_open
 647                     PerlIOBase_noop_fail
 648                     PerlIOBase_noop_ok
 649                     PerlIOBase_popped
 650                     PerlIOBase_pushed
 651                     PerlIOBase_read
 652                     PerlIOBase_setlinebuf
 653                     PerlIOBase_unread
 654                     PerlIOBuf_bufsiz
 655                     PerlIOBuf_close
 656                     PerlIOBuf_dup
 657                     PerlIOBuf_fill
 658                     PerlIOBuf_flush
 659                     PerlIOBuf_get_base
 660                     PerlIOBuf_get_cnt
 661                     PerlIOBuf_get_ptr
 662                     PerlIOBuf_open
 663                     PerlIOBuf_popped
 664                     PerlIOBuf_pushed
 665                     PerlIOBuf_read
 666                     PerlIOBuf_seek
 667                     PerlIOBuf_set_ptrcnt
 668                     PerlIOBuf_tell
 669                     PerlIOBuf_unread
 670                     PerlIOBuf_write
 671                     PerlIO_allocate
 672                     PerlIO_apply_layera
 673                     PerlIO_apply_layers
 674                     PerlIO_arg_fetch
 675                     PerlIO_debug
 676                     PerlIO_define_layer
 677                     PerlIO_find_layer
 678                     PerlIO_isutf8
 679                     PerlIO_layer_fetch
 680                     PerlIO_list_alloc
 681                     PerlIO_list_free
 682                     PerlIO_modestr
 683                     PerlIO_parse_layers
 684                     PerlIO_pending
 685                     PerlIO_perlio
 686                     PerlIO_pop
 687                     PerlIO_push
 688                     PerlIO_sv_dup
 689                     Perl_PerlIO_clearerr
 690                     Perl_PerlIO_close
 691                     Perl_PerlIO_context_layers
 692                     Perl_PerlIO_eof
 693                     Perl_PerlIO_error
 694                     Perl_PerlIO_fileno
 695                     Perl_PerlIO_fill
 696                     Perl_PerlIO_flush
 697                     Perl_PerlIO_get_base
 698                     Perl_PerlIO_get_bufsiz
 699                     Perl_PerlIO_get_cnt
 700                     Perl_PerlIO_get_ptr
 701                     Perl_PerlIO_read
 702                     Perl_PerlIO_restore_errno
 703                     Perl_PerlIO_save_errno
 704                     Perl_PerlIO_seek
 705                     Perl_PerlIO_set_cnt
 706                     Perl_PerlIO_set_ptrcnt
 707                     Perl_PerlIO_setlinebuf
 708                     Perl_PerlIO_stderr
 709                     Perl_PerlIO_stdin
 710                     Perl_PerlIO_stdout
 711                     Perl_PerlIO_tell
 712                     Perl_PerlIO_unread
 713                     Perl_PerlIO_write
 714 );
 715 if ($ARGS{PLATFORM} eq 'netware') {
 716     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 717 }
 718
 719 # Export the symbols that make up the PerlIO abstraction, regardless
 720 # of its implementation - read from a file
 721 push @syms, 'perlio.sym';
 722
 723 # PerlIO with layers - export implementation
 724 try_symbols(@layer_syms, 'perlsio_binmode');
 725
 726
 727 unless ($define{'USE_QUADMATH'}) {
 728   ++$skip{Perl_quadmath_format_needed};
 729   ++$skip{Perl_quadmath_format_single};
 730 }
 731
 732 ###############################################################################
 733
 734 # At this point all skip lists should be completed, as we are about to test
 735 # many symbols against them.
 736
 737 {
 738     my %seen;
 739     my ($embed) = setup_embed($ARGS{TARG_DIR});
 740     my $excludedre = $define{'NO_MATHOMS'} ? qr/[xmib]/ : qr/[xmi]/;
 741
 742     foreach (@$embed) {
 743         my ($flags, $retval, $func, @args) = @$_;
 744         next unless $func;
 745         if (($flags =~ /[AX]/ && $flags !~ $excludedre)
 746             || (!$define{'NO_MATHOMS'} && $flags =~ /b/))
 747         {
 748             # public API, so export
 749
 750             # If a function is defined twice, for example before and after
 751             # an #else, only export its name once. Important to do this test
 752             # within the block, as the *first* definition may have flags which
 753             # mean "don't export"
 754             next if $seen{$func}++;
 755             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
 756             $func = "Perl_$func" if ($flags =~ /[pX]/ && $func !~ /^Perl_/);
 757             ++$export{$func} unless exists $skip{$func};
 758         }
 759     }
 760 }
 761
 762 foreach (@syms) {
 763     my $syms = $ARGS{TARG_DIR} . $_;
 764     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 765     while (<$global>) {
 766         next unless /^([A-Za-z].*)/;
 767         my $symbol = "$1";
 768         ++$export{$symbol} unless exists $skip{$symbol};
 769     }
 770 }
 771
 772 # variables
 773
 774 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 775     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 776     # XXX AIX seems to want the perlvars.h symbols, for some reason
 777     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 778         readvar('perlvars.h', \%export);
 779     }
 780 }
 781 else {
 782     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 783         readvar('perlvars.h', \%export);
 784     }
 785     unless ($define{MULTIPLICITY}) {
 786         readvar('intrpvar.h', \%export);
 787     }
 788 }
 789
 790 # Oddities from PerlIO
 791 # All have alternate implementations in perlio.c, so always exist.
 792 # Should they be considered to be part of the API?
 793 try_symbols(qw(
 794                     PerlIO_binmode
 795                     PerlIO_getpos
 796                     PerlIO_init
 797                     PerlIO_setpos
 798                     PerlIO_tmpfile
 799              ));
 800
 801 if ($ARGS{PLATFORM} eq 'win32') {
 802     try_symbols(qw(
 803                                  win32_free_childdir
 804                                  win32_free_childenv
 805                                  win32_get_childdir
 806                                  win32_get_childenv
 807                                  win32_spawnvp
 808                  ));
 809 }
 810
 811 if ($ARGS{PLATFORM} eq 'wince') {
 812     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
 813 }
 814
 815 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 816     try_symbols(qw(
 817                             Perl_init_os_extras
 818                             Perl_thread_create
 819                             Perl_win32_init
 820                             Perl_win32_term
 821                             RunPerl
 822                             win32_async_check
 823                             win32_errno
 824                             win32_environ
 825                             win32_abort
 826                             win32_fstat
 827                             win32_stat
 828                             win32_pipe
 829                             win32_popen
 830                             win32_pclose
 831                             win32_rename
 832                             win32_setmode
 833                             win32_chsize
 834                             win32_lseek
 835                             win32_tell
 836                             win32_dup
 837                             win32_dup2
 838                             win32_open
 839                             win32_close
 840                             win32_eof
 841                             win32_isatty
 842                             win32_read
 843                             win32_write
 844                             win32_mkdir
 845                             win32_rmdir
 846                             win32_chdir
 847                             win32_flock
 848                             win32_execv
 849                             win32_execvp
 850                             win32_htons
 851                             win32_ntohs
 852                             win32_htonl
 853                             win32_ntohl
 854                             win32_inet_addr
 855                             win32_inet_ntoa
 856                             win32_socket
 857                             win32_bind
 858                             win32_listen
 859                             win32_accept
 860                             win32_connect
 861                             win32_send
 862                             win32_sendto
 863                             win32_recv
 864                             win32_recvfrom
 865                             win32_shutdown
 866                             win32_closesocket
 867                             win32_ioctlsocket
 868                             win32_setsockopt
 869                             win32_getsockopt
 870                             win32_getpeername
 871                             win32_getsockname
 872                             win32_gethostname
 873                             win32_gethostbyname
 874                             win32_gethostbyaddr
 875                             win32_getprotobyname
 876                             win32_getprotobynumber
 877                             win32_getservbyname
 878                             win32_getservbyport
 879                             win32_select
 880                             win32_endhostent
 881                             win32_endnetent
 882                             win32_endprotoent
 883                             win32_endservent
 884                             win32_getnetent
 885                             win32_getnetbyname
 886                             win32_getnetbyaddr
 887                             win32_getprotoent
 888                             win32_getservent
 889                             win32_sethostent
 890                             win32_setnetent
 891                             win32_setprotoent
 892                             win32_setservent
 893                             win32_getenv
 894                             win32_putenv
 895                             win32_perror
 896                             win32_malloc
 897                             win32_calloc
 898                             win32_realloc
 899                             win32_free
 900                             win32_sleep
 901                             win32_pause
 902                             win32_times
 903                             win32_access
 904                             win32_alarm
 905                             win32_chmod
 906                             win32_open_osfhandle
 907                             win32_get_osfhandle
 908                             win32_ioctl
 909                             win32_link
 910                             win32_unlink
 911                             win32_utime
 912                             win32_gettimeofday
 913                             win32_uname
 914                             win32_wait
 915                             win32_waitpid
 916                             win32_kill
 917                             win32_str_os_error
 918                             win32_opendir
 919                             win32_readdir
 920                             win32_telldir
 921                             win32_seekdir
 922                             win32_rewinddir
 923                             win32_closedir
 924                             win32_longpath
 925                             win32_ansipath
 926                             win32_os_id
 927                             win32_getpid
 928                             win32_crypt
 929                             win32_dynaload
 930                             win32_clearenv
 931                             win32_stdin
 932                             win32_stdout
 933                             win32_stderr
 934                             win32_ferror
 935                             win32_feof
 936                             win32_strerror
 937                             win32_fprintf
 938                             win32_printf
 939                             win32_vfprintf
 940                             win32_vprintf
 941                             win32_fread
 942                             win32_fwrite
 943                             win32_fopen
 944                             win32_fdopen
 945                             win32_freopen
 946                             win32_fclose
 947                             win32_fputs
 948                             win32_fputc
 949                             win32_ungetc
 950                             win32_getc
 951                             win32_fileno
 952                             win32_clearerr
 953                             win32_fflush
 954                             win32_ftell
 955                             win32_fseek
 956                             win32_fgetpos
 957                             win32_fsetpos
 958                             win32_rewind
 959                             win32_tmpfile
 960                             win32_setbuf
 961                             win32_setvbuf
 962                             win32_flushall
 963                             win32_fcloseall
 964                             win32_fgets
 965                             win32_gets
 966                             win32_fgetc
 967                             win32_putc
 968                             win32_puts
 969                             win32_getchar
 970                             win32_putchar
 971                  ));
 972 }
 973 elsif ($ARGS{PLATFORM} eq 'vms') {
 974     try_symbols(qw(
 975                       Perl_cando
 976                       Perl_cando_by_name
 977                       Perl_closedir
 978                       Perl_csighandler_init
 979                       Perl_do_rmdir
 980                       Perl_fileify_dirspec
 981                       Perl_fileify_dirspec_ts
 982                       Perl_fileify_dirspec_utf8
 983                       Perl_fileify_dirspec_utf8_ts
 984                       Perl_flex_fstat
 985                       Perl_flex_lstat
 986                       Perl_flex_stat
 987                       Perl_kill_file
 988                       Perl_my_chdir
 989                       Perl_my_chmod
 990                       Perl_my_crypt
 991                       Perl_my_endpwent
 992                       Perl_my_fclose
 993                       Perl_my_fdopen
 994                       Perl_my_fgetname
 995                       Perl_my_flush
 996                       Perl_my_fwrite
 997                       Perl_my_gconvert
 998                       Perl_my_getenv
 999                       Perl_my_getenv_len
1000                       Perl_my_getpwnam
1001                       Perl_my_getpwuid
1002                       Perl_my_gmtime
1003                       Perl_my_kill
1004                       Perl_my_killpg
1005                       Perl_my_localtime
1006                       Perl_my_mkdir
1007                       Perl_my_sigaction
1008                       Perl_my_symlink
1009                       Perl_my_time
1010                       Perl_my_tmpfile
1011                       Perl_my_trnlnm
1012                       Perl_my_utime
1013                       Perl_my_waitpid
1014                       Perl_opendir
1015                       Perl_pathify_dirspec
1016                       Perl_pathify_dirspec_ts
1017                       Perl_pathify_dirspec_utf8
1018                       Perl_pathify_dirspec_utf8_ts
1019                       Perl_readdir
1020                       Perl_readdir_r
1021                       Perl_rename
1022                       Perl_rmscopy
1023                       Perl_rmsexpand
1024                       Perl_rmsexpand_ts
1025                       Perl_rmsexpand_utf8
1026                       Perl_rmsexpand_utf8_ts
1027                       Perl_seekdir
1028                       Perl_sig_to_vmscondition
1029                       Perl_telldir
1030                       Perl_tounixpath
1031                       Perl_tounixpath_ts
1032                       Perl_tounixpath_utf8
1033                       Perl_tounixpath_utf8_ts
1034                       Perl_tounixspec
1035                       Perl_tounixspec_ts
1036                       Perl_tounixspec_utf8
1037                       Perl_tounixspec_utf8_ts
1038                       Perl_tovmspath
1039                       Perl_tovmspath_ts
1040                       Perl_tovmspath_utf8
1041                       Perl_tovmspath_utf8_ts
1042                       Perl_tovmsspec
1043                       Perl_tovmsspec_ts
1044                       Perl_tovmsspec_utf8
1045                       Perl_tovmsspec_utf8_ts
1046                       Perl_trim_unixpath
1047                       Perl_vms_case_tolerant
1048                       Perl_vms_do_aexec
1049                       Perl_vms_do_exec
1050                       Perl_vms_image_init
1051                       Perl_vms_realpath
1052                       Perl_vmssetenv
1053                       Perl_vmssetuserlnm
1054                       Perl_vmstrnenv
1055                       PerlIO_openn
1056                  ));
1057 }
1058 elsif ($ARGS{PLATFORM} eq 'os2') {
1059     try_symbols(qw(
1060                       ctermid
1061                       get_sysinfo
1062                       Perl_OS2_init
1063                       Perl_OS2_init3
1064                       Perl_OS2_term
1065                       OS2_Perl_data
1066                       dlopen
1067                       dlsym
1068                       dlerror
1069                       dlclose
1070                       dup2
1071                       dup
1072                       my_tmpfile
1073                       my_tmpnam
1074                       my_flock
1075                       my_rmdir
1076                       my_mkdir
1077                       my_getpwuid
1078                       my_getpwnam
1079                       my_getpwent
1080                       my_setpwent
1081                       my_endpwent
1082                       fork_with_resources
1083                       croak_with_os2error
1084                       setgrent
1085                       endgrent
1086                       getgrent
1087                       malloc_mutex
1088                       threads_mutex
1089                       nthreads
1090                       nthreads_cond
1091                       os2_cond_wait
1092                       os2_stat
1093                       os2_execname
1094                       async_mssleep
1095                       msCounter
1096                       InfoTable
1097                       pthread_join
1098                       pthread_create
1099                       pthread_detach
1100                       XS_Cwd_change_drive
1101                       XS_Cwd_current_drive
1102                       XS_Cwd_extLibpath
1103                       XS_Cwd_extLibpath_set
1104                       XS_Cwd_sys_abspath
1105                       XS_Cwd_sys_chdir
1106                       XS_Cwd_sys_cwd
1107                       XS_Cwd_sys_is_absolute
1108                       XS_Cwd_sys_is_relative
1109                       XS_Cwd_sys_is_rooted
1110                       XS_DynaLoader_mod2fname
1111                       XS_File__Copy_syscopy
1112                       Perl_Register_MQ
1113                       Perl_Deregister_MQ
1114                       Perl_Serve_Messages
1115                       Perl_Process_Messages
1116                       init_PMWIN_entries
1117                       PMWIN_entries
1118                       Perl_hab_GET
1119                       loadByOrdinal
1120                       pExtFCN
1121                       os2error
1122                       ResetWinError
1123                       CroakWinError
1124                       PL_do_undump
1125                  ));
1126 }
1127 elsif ($ARGS{PLATFORM} eq 'netware') {
1128     try_symbols(qw(
1129                         Perl_init_os_extras
1130                         Perl_thread_create
1131                         Perl_nw5_init
1132                         RunPerl
1133                         AllocStdPerl
1134                         FreeStdPerl
1135                         do_spawn2
1136                         do_aspawn
1137                         nw_uname
1138                         nw_stdin
1139                         nw_stdout
1140                         nw_stderr
1141                         nw_feof
1142                         nw_ferror
1143                         nw_fopen
1144                         nw_fclose
1145                         nw_clearerr
1146                         nw_getc
1147                         nw_fgets
1148                         nw_fputc
1149                         nw_fputs
1150                         nw_fflush
1151                         nw_ungetc
1152                         nw_fileno
1153                         nw_fdopen
1154                         nw_freopen
1155                         nw_fread
1156                         nw_fwrite
1157                         nw_setbuf
1158                         nw_setvbuf
1159                         nw_vfprintf
1160                         nw_ftell
1161                         nw_fseek
1162                         nw_rewind
1163                         nw_tmpfile
1164                         nw_fgetpos
1165                         nw_fsetpos
1166                         nw_dup
1167                         nw_access
1168                         nw_chmod
1169                         nw_chsize
1170                         nw_close
1171                         nw_dup2
1172                         nw_flock
1173                         nw_isatty
1174                         nw_link
1175                         nw_lseek
1176                         nw_stat
1177                         nw_mktemp
1178                         nw_open
1179                         nw_read
1180                         nw_rename
1181                         nw_setmode
1182                         nw_unlink
1183                         nw_utime
1184                         nw_write
1185                         nw_chdir
1186                         nw_rmdir
1187                         nw_closedir
1188                         nw_opendir
1189                         nw_readdir
1190                         nw_rewinddir
1191                         nw_seekdir
1192                         nw_telldir
1193                         nw_htonl
1194                         nw_htons
1195                         nw_ntohl
1196                         nw_ntohs
1197                         nw_accept
1198                         nw_bind
1199                         nw_connect
1200                         nw_endhostent
1201                         nw_endnetent
1202                         nw_endprotoent
1203                         nw_endservent
1204                         nw_gethostbyaddr
1205                         nw_gethostbyname
1206                         nw_gethostent
1207                         nw_gethostname
1208                         nw_getnetbyaddr
1209                         nw_getnetbyname
1210                         nw_getnetent
1211                         nw_getpeername
1212                         nw_getprotobyname
1213                         nw_getprotobynumber
1214                         nw_getprotoent
1215                         nw_getservbyname
1216                         nw_getservbyport
1217                         nw_getservent
1218                         nw_getsockname
1219                         nw_getsockopt
1220                         nw_inet_addr
1221                         nw_listen
1222                         nw_socket
1223                         nw_recv
1224                         nw_recvfrom
1225                         nw_select
1226                         nw_send
1227                         nw_sendto
1228                         nw_sethostent
1229                         nw_setnetent
1230                         nw_setprotoent
1231                         nw_setservent
1232                         nw_setsockopt
1233                         nw_inet_ntoa
1234                         nw_shutdown
1235                         nw_crypt
1236                         nw_execvp
1237                         nw_kill
1238                         nw_Popen
1239                         nw_Pclose
1240                         nw_Pipe
1241                         nw_times
1242                         nw_waitpid
1243                         nw_getpid
1244                         nw_spawnvp
1245                         nw_os_id
1246                         nw_open_osfhandle
1247                         nw_get_osfhandle
1248                         nw_abort
1249                         nw_sleep
1250                         nw_wait
1251                         nw_dynaload
1252                         nw_strerror
1253                         fnFpSetMode
1254                         fnInsertHashListAddrs
1255                         fnGetHashListAddrs
1256                         Perl_deb
1257                         Perl_sv_setsv
1258                         Perl_sv_catsv
1259                         Perl_sv_catpvn
1260                         Perl_sv_2pv
1261                         nw_freeenviron
1262                         Remove_Thread_Ctx
1263                  ));
1264 }
1265
1266 # When added this code was only run for Win32 and WinCE
1267 # Currently only Win32 links static extensions into the shared library.
1268 # The WinCE makefile doesn't appear to support static extensions, so this code
1269 # can't have any effect there.
1270 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1271 # list of dynamic extensions, and the rules to build them)
1272 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1273 # static extensions with -fPIC, but links them to perl, not libperl.so
1274 # The VMS build scripts don't yet implement static extensions at all.
1275
1276 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1277     # records of type boot_module for statically linked modules (except Dynaloader)
1278     my $static_ext = $Config{static_ext} // "";
1279     $static_ext =~ s/\//__/g;
1280     $static_ext =~ s/\bDynaLoader\b//;
1281     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1282     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1283 }
1284
1285 if ($ARGS{PLATFORM} eq 'os2') {
1286     my (%mapped, @missing);
1287     open MAP, '<', 'miniperl.map' or die 'Cannot read miniperl.map';
1288     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1289     close MAP or die 'Cannot close miniperl.map';
1290
1291     @missing = grep { !exists $mapped{$_} }
1292                     keys %export;
1293     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1294     delete $export{$_} foreach @missing;
1295 }
1296
1297 ###############################################################################
1298
1299 # Now all symbols should be defined because next we are going to output them.
1300
1301 # Start with platform specific headers:
1302
1303 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1304     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1305         : "perl$Config{api_revision}$Config{api_version}";
1306     print "LIBRARY $dll\n";
1307     # The DESCRIPTION module definition file statement is not supported
1308     # by VC7 onwards.
1309     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1310         print "DESCRIPTION 'Perl interpreter'\n";
1311     }
1312     print "EXPORTS\n";
1313 }
1314 elsif ($ARGS{PLATFORM} eq 'os2') {
1315     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1316     $v .= '-thread' if $Config{archname} =~ /-thread/;
1317     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1318     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1319     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1320     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1321     print <<"---EOP---";
1322 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1323 $d
1324 STACKSIZE 32768
1325 CODE LOADONCALL
1326 DATA LOADONCALL NONSHARED MULTIPLE
1327 EXPORTS
1328 ---EOP---
1329 }
1330 elsif ($ARGS{PLATFORM} eq 'aix') {
1331     my $OSVER = `uname -v`;
1332     chop $OSVER;
1333     my $OSREL = `uname -r`;
1334     chop $OSREL;
1335     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1336         print "#! ..\n";
1337     } else {
1338         print "#!\n";
1339     }
1340 }
1341 elsif ($ARGS{PLATFORM} eq 'netware') {
1342         if ($ARGS{FILETYPE} eq 'def') {
1343         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1344         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1345         print "EXPORTS\n";
1346         }
1347 }
1348
1349 # Then the symbols
1350
1351 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1352 foreach my $symbol (@symbols) {
1353     if (PLATFORM eq 'win32' || PLATFORM eq 'wince') {
1354         # Remembering the origin file of each symbol is an alternative to PL_ matching
1355         if (substr($symbol, 0, 3) eq 'PL_') {
1356             print "\t$symbol DATA\n";
1357         }
1358         else {
1359             print "\t$symbol\n";
1360         }
1361     }
1362     elsif (PLATFORM eq 'os2') {
1363         printf qq(    %-31s \@%s\n),
1364           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1365         printf qq(    %-31s \@%s\n),
1366           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1367           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1368           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1369     }
1370     elsif (PLATFORM eq 'netware') {
1371         print "\t$symbol,\n";
1372     } else {
1373         print "$symbol\n";
1374     }
1375 }
1376
1377 # Then platform specific footers.
1378
1379 if ($ARGS{PLATFORM} eq 'os2') {
1380     print <<EOP;
1381     dll_perlmain=main
1382     fill_extLibpath
1383     dir_subst
1384     Perl_OS2_handler_install
1385
1386 ; LAST_ORDINAL=$sym_ord
1387 EOP
1388 }
1389
1390 1;