makedef.pl

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