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 -Dusershrplib is in effect,
   7 # and by VMS for creating perlshr.exe.
   8 #
   9 # Reads from information stored in
  10 #
  11 #    config.h
  12 #    config.sh
  13 #    global.sym
  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 #
  21 # plus long lists of function names hard-coded directly in this script and
  22 # in the DATA section.
  23 #
  24 # Writes the result to STDOUT.
  25 #
  26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
  27 # which redirects STDOUT to a suitable file, such as:
  28 #
  29 #    perl5.def   OS/2
  30 #    perldll.def Windows
  31 #    perl.exp    AIX
  32 #    perl.imp    NetWare
  33 #    makedef.lis VMS
  34
  35 BEGIN { unshift @INC, "lib" }
  36 use Config;
  37 use strict;
  38
  39 use vars qw($PLATFORM $CCTYPE $FILETYPE $TARG_DIR);
  40
  41 $CCTYPE = 'MSVC';
  42 $TARG_DIR = '';
  43
  44 my (%define, %ordinal);
  45
  46 while (@ARGV) {
  47     my $flag = shift;
  48     if ($flag =~ s/^CC_FLAGS=/ /) {
  49         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  50             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  51             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  52         }
  53         next;
  54     }
  55     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  56     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  57     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  58     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  59     $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  60     $TARG_DIR = $1 if $flag =~ /^TARG_DIR=(.+)$/;
  61 }
  62
  63 my @PLATFORM = qw(aix win32 wince os2 netware vms);
  64 my %PLATFORM;
  65 @PLATFORM{@PLATFORM} = ();
  66
  67 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  68 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  69
  70 if ($PLATFORM eq 'win32' or $PLATFORM eq 'wince' or $PLATFORM eq "aix") {
  71         # Add the compile-time options that miniperl was built with to %define.
  72         # On Win32 these are not the same options as perl itself will be built
  73         # with since miniperl is built with a canned config (one of the win32/
  74         # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  75         # but they do include some #define's that are hard-coded in various
  76         # source files and header files and don't include any BUILDOPT's that
  77         # the user might have chosen to disable because the canned configs are
  78         # minimal configs that don't include any of those options.
  79
  80         my @options
  81             = sort(Config::bincompat_options(), Config::non_bincompat_options());
  82         print STDERR "Options: (@options)\n";
  83         $define{$_} = 1 foreach @options;
  84 }
  85
  86 my %exportperlmalloc =
  87     (
  88        Perl_malloc              =>      "malloc",
  89        Perl_mfree               =>      "free",
  90        Perl_realloc             =>      "realloc",
  91        Perl_calloc              =>      "calloc",
  92     );
  93
  94 my $exportperlmalloc = $PLATFORM eq 'os2';
  95
  96 my $config_sh   = "config.sh";
  97 my $config_h    = "config.h";
  98 my $intrpvar_h  = "intrpvar.h";
  99 my $perlvars_h  = "perlvars.h";
 100 my $global_sym  = "global.sym";
 101 my $globvar_sym = "globvar.sym";
 102 my $perlio_sym  = "perlio.sym";
 103 my $static_ext = "";
 104
 105 my %skip;
 106 # All platforms export boot_DynaLoader unconditionally.
 107 my %export = ( boot_DynaLoader => 1 );
 108
 109 s/^/$TARG_DIR/ foreach($intrpvar_h, $perlvars_h, $global_sym, $globvar_sym,
 110                        $perlio_sym, $config_sh);
 111
 112 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'netware') {
 113     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
 114     while (<CFG>) {
 115         if (/^(?:ccflags|optimize)='(.+)'$/) {
 116             $_ = $1;
 117             $define{$1} = 1 while /-D(\w+)/g;
 118         }
 119         $define{$1} = $2
 120             if /^(config_args|archname|perl_patchlevel)='(.+)'$/;
 121         if ($PLATFORM eq 'vms') {
 122             $define{DEBUGGING} = 1 if /^usedebugging_perl='Y'$/;
 123             $define{UNLINK_ALL_VERSIONS} = 1 if /^d_unlink_all_versions='define'$/;
 124         }
 125     }
 126     close(CFG);
 127 }
 128 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 129     open(CFG, '<', $config_sh) || die "Cannot open $config_sh: $!\n";
 130     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 131         $static_ext = $1;
 132     }
 133     close(CFG);
 134 }
 135
 136 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 137 while (<CFG>) {
 138     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 139                                            |SPRINTF_RETURNS_STRLEN
 140                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 141 }
 142 close(CFG);
 143
 144 # perl.h logic duplication begins
 145
 146 if ($define{PERL_IMPLICIT_SYS}) {
 147     $define{PL_OP_SLAB_ALLOC} = 1;
 148 }
 149
 150 if ($define{USE_ITHREADS}) {
 151     if (!$define{MULTIPLICITY}) {
 152         $define{MULTIPLICITY} = 1;
 153     }
 154 }
 155
 156 $define{PERL_IMPLICIT_CONTEXT} ||=
 157     $define{USE_ITHREADS} ||
 158     $define{MULTIPLICITY} ;
 159
 160 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 161     $define{USE_REENTRANT_API} = 1;
 162 }
 163
 164 # perl.h logic duplication ends
 165
 166 my $sym_ord = 0;
 167
 168 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 169
 170 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 171     (my $dll = ($define{PERL_DLL} || "perl515")) =~ s/\.dll$//i;
 172     print "LIBRARY $dll\n";
 173     # The DESCRIPTION module definition file statement is not supported
 174     # by VC7 onwards.
 175     if ($CCTYPE =~ /^(?:MSVC60|GCC|BORLAND)$/) {
 176         print "DESCRIPTION 'Perl interpreter'\n";
 177     }
 178     print "EXPORTS\n";
 179     if ($define{PERL_IMPLICIT_SYS}) {
 180         ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 181     }
 182     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 183         ++$export{perl_clone_host};
 184     }
 185 }
 186 elsif ($PLATFORM eq 'os2') {
 187     if (open my $fh, '<', 'perl5.def') {
 188       while (<$fh>) {
 189         last if /^\s*EXPORTS\b/;
 190       }
 191       while (<$fh>) {
 192         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 193         # This allows skipping ordinals which were used in older versions
 194         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 195       }
 196       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 197     }
 198     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 199     $v .= '-thread' if $define{archname} =~ /-thread/;
 200     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 201     $v .= "\@$define{perl_patchlevel}" if $define{perl_patchlevel};
 202     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $define{config_args}'";
 203     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 204     print <<"---EOP---";
 205 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 206 $d
 207 STACKSIZE 32768
 208 CODE LOADONCALL
 209 DATA LOADONCALL NONSHARED MULTIPLE
 210 EXPORTS
 211 ---EOP---
 212 }
 213 elsif ($PLATFORM eq 'aix') {
 214     my $OSVER = `uname -v`;
 215     chop $OSVER;
 216     my $OSREL = `uname -r`;
 217     chop $OSREL;
 218     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 219         print "#! ..\n";
 220     } else {
 221         print "#!\n";
 222     }
 223 }
 224 elsif ($PLATFORM eq 'netware') {
 225         if ($FILETYPE eq 'def') {
 226         print "LIBRARY perl515\n";
 227         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 228         print "EXPORTS\n";
 229         }
 230         if ($define{PERL_IMPLICIT_SYS}) {
 231             ++$export{$_}
 232                 foreach qw(perl_get_host_info perl_alloc_override perl_clone_host);
 233         }
 234 }
 235
 236 sub skip_symbols {
 237     my $list = shift;
 238     foreach my $symbol (@$list) {
 239         $skip{$symbol} = 1;
 240     }
 241 }
 242
 243 sub emit_symbols {
 244     my $list = shift;
 245     foreach my $symbol (@$list) {
 246         my $skipsym = $symbol;
 247         # XXX hack
 248         if ($define{MULTIPLICITY}) {
 249             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 250         }
 251         emit_symbol($symbol) unless exists $skip{$skipsym};
 252     }
 253 }
 254
 255 if ($PLATFORM ne 'os2') {
 256     skip_symbols [qw(
 257                      PL_cryptseen
 258                      PL_opsave
 259                      Perl_GetVars
 260                      Perl_dump_fds
 261                      Perl_my_bcopy
 262                      Perl_my_bzero
 263                      Perl_my_chsize
 264                      Perl_my_htonl
 265                      Perl_my_memcmp
 266                      Perl_my_memset
 267                      Perl_my_ntohl
 268                      Perl_my_swap
 269                    )];
 270     if ($PLATFORM eq 'vms') {
 271         skip_symbols([qw(
 272                             PL_statusvalue_posix
 273                      )]);
 274     } else {
 275         skip_symbols([qw(
 276                             PL_statusvalue_vms
 277                        )]);
 278         if ($PLATFORM ne 'aix') {
 279             skip_symbols [qw(
 280                                 PL_DBcv
 281                                 PL_generation
 282                                 PL_lastgotoprobe
 283                                 PL_modcount
 284                                 PL_timesbuf
 285                                 main
 286                            )];
 287         }
 288     }
 289 }
 290
 291 if ($PLATFORM ne 'vms') {
 292     # VMS does its own thing for these symbols.
 293     skip_symbols [qw(
 294                         PL_sig_handlers_initted
 295                         PL_sig_ignoring
 296                         PL_sig_defaulting
 297                    )];
 298     if ($PLATFORM ne 'win32') {
 299         skip_symbols [qw(
 300                             Perl_do_spawn
 301                             Perl_do_spawn_nowait
 302                             Perl_do_aspawn
 303                        )];
 304     }
 305 }
 306
 307 if ($PLATFORM eq 'os2') {
 308     emit_symbols([qw(
 309                     ctermid
 310                     get_sysinfo
 311                     Perl_OS2_init
 312                     Perl_OS2_init3
 313                     Perl_OS2_term
 314                     OS2_Perl_data
 315                     dlopen
 316                     dlsym
 317                     dlerror
 318                     dlclose
 319                     dup2
 320                     dup
 321                     my_tmpfile
 322                     my_tmpnam
 323                     my_flock
 324                     my_rmdir
 325                     my_mkdir
 326                     my_getpwuid
 327                     my_getpwnam
 328                     my_getpwent
 329                     my_setpwent
 330                     my_endpwent
 331                     fork_with_resources
 332                     croak_with_os2error
 333                     setgrent
 334                     endgrent
 335                     getgrent
 336                     malloc_mutex
 337                     threads_mutex
 338                     nthreads
 339                     nthreads_cond
 340                     os2_cond_wait
 341                     os2_stat
 342                     os2_execname
 343                     async_mssleep
 344                     msCounter
 345                     InfoTable
 346                     pthread_join
 347                     pthread_create
 348                     pthread_detach
 349                     XS_Cwd_change_drive
 350                     XS_Cwd_current_drive
 351                     XS_Cwd_extLibpath
 352                     XS_Cwd_extLibpath_set
 353                     XS_Cwd_sys_abspath
 354                     XS_Cwd_sys_chdir
 355                     XS_Cwd_sys_cwd
 356                     XS_Cwd_sys_is_absolute
 357                     XS_Cwd_sys_is_relative
 358                     XS_Cwd_sys_is_rooted
 359                     XS_DynaLoader_mod2fname
 360                     XS_File__Copy_syscopy
 361                     Perl_Register_MQ
 362                     Perl_Deregister_MQ
 363                     Perl_Serve_Messages
 364                     Perl_Process_Messages
 365                     init_PMWIN_entries
 366                     PMWIN_entries
 367                     Perl_hab_GET
 368                     loadByOrdinal
 369                     pExtFCN
 370                     os2error
 371                     ResetWinError
 372                     CroakWinError
 373                     PL_do_undump
 374                     )]);
 375     emit_symbols([qw(os2_cond_wait
 376                      pthread_join
 377                      pthread_create
 378                      pthread_detach
 379                     )])
 380       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 381 }
 382 elsif ($PLATFORM eq 'vms') {
 383     emit_symbols([qw(
 384                         Perl_cando
 385                         Perl_cando_by_name
 386                         Perl_closedir
 387                         Perl_csighandler_init
 388                         Perl_do_rmdir
 389                         Perl_fileify_dirspec
 390                         Perl_fileify_dirspec_ts
 391                         Perl_fileify_dirspec_utf8
 392                         Perl_fileify_dirspec_utf8_ts
 393                         Perl_flex_fstat
 394                         Perl_flex_lstat
 395                         Perl_flex_stat
 396                         Perl_kill_file
 397                         Perl_my_chdir
 398                         Perl_my_chmod
 399                         Perl_my_crypt
 400                         Perl_my_endpwent
 401                         Perl_my_fclose
 402                         Perl_my_fdopen
 403                         Perl_my_fgetname
 404                         Perl_my_flush
 405                         Perl_my_fwrite
 406                         Perl_my_gconvert
 407                         Perl_my_getenv
 408                         Perl_my_getenv_len
 409                         Perl_my_getlogin
 410                         Perl_my_getpwnam
 411                         Perl_my_getpwuid
 412                         Perl_my_gmtime
 413                         Perl_my_kill
 414                         Perl_my_localtime
 415                         Perl_my_mkdir
 416                         Perl_my_sigaction
 417                         Perl_my_symlink
 418                         Perl_my_time
 419                         Perl_my_tmpfile
 420                         Perl_my_trnlnm
 421                         Perl_my_utime
 422                         Perl_my_waitpid
 423                         Perl_opendir
 424                         Perl_pathify_dirspec
 425                         Perl_pathify_dirspec_ts
 426                         Perl_pathify_dirspec_utf8
 427                         Perl_pathify_dirspec_utf8_ts
 428                         Perl_readdir
 429                         Perl_readdir_r
 430                         Perl_rename
 431                         Perl_rmscopy
 432                         Perl_rmsexpand
 433                         Perl_rmsexpand_ts
 434                         Perl_rmsexpand_utf8
 435                         Perl_rmsexpand_utf8_ts
 436                         Perl_seekdir
 437                         Perl_sig_to_vmscondition
 438                         Perl_telldir
 439                         Perl_tounixpath
 440                         Perl_tounixpath_ts
 441                         Perl_tounixpath_utf8
 442                         Perl_tounixpath_utf8_ts
 443                         Perl_tounixspec
 444                         Perl_tounixspec_ts
 445                         Perl_tounixspec_utf8
 446                         Perl_tounixspec_utf8_ts
 447                         Perl_tovmspath
 448                         Perl_tovmspath_ts
 449                         Perl_tovmspath_utf8
 450                         Perl_tovmspath_utf8_ts
 451                         Perl_tovmsspec
 452                         Perl_tovmsspec_ts
 453                         Perl_tovmsspec_utf8
 454                         Perl_tovmsspec_utf8_ts
 455                         Perl_trim_unixpath
 456                         Perl_vms_case_tolerant
 457                         Perl_vms_do_aexec
 458                         Perl_vms_do_exec
 459                         Perl_vms_image_init
 460                         Perl_vms_realpath
 461                         Perl_vmssetenv
 462                         Perl_vmssetuserlnm
 463                         Perl_vmstrnenv
 464                         PerlIO_openn
 465                      )]);
 466 }
 467
 468 unless ($define{UNLINK_ALL_VERSIONS}) {
 469     skip_symbols([qw(
 470                      Perl_unlnk
 471                      )])
 472 }
 473
 474 unless ($define{'DEBUGGING'}) {
 475     skip_symbols [qw(
 476                     Perl_deb_growlevel
 477                     Perl_debop
 478                     Perl_debprofdump
 479                     Perl_debstack
 480                     Perl_debstackptrs
 481                     Perl_pad_sv
 482                     Perl_pad_setsv
 483                     Perl_hv_assert
 484                     PL_block_type
 485                     PL_watchaddr
 486                     PL_watchok
 487                     PL_watch_pvx
 488                     )];
 489 }
 490
 491 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 492     skip_symbols [qw(
 493                     PL_sig_sv
 494                     )];
 495 }
 496
 497 if ($define{'PERL_IMPLICIT_SYS'}) {
 498     skip_symbols [qw(
 499                     Perl_my_popen
 500                     Perl_my_pclose
 501                     )];
 502 }
 503 else {
 504     skip_symbols [qw(
 505                     PL_Mem
 506                     PL_MemShared
 507                     PL_MemParse
 508                     PL_Env
 509                     PL_StdIO
 510                     PL_LIO
 511                     PL_Dir
 512                     PL_Sock
 513                     PL_Proc
 514                     )];
 515 }
 516
 517 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 518     skip_symbols [qw(
 519                     Perl_sv_setsv_cow
 520                   )];
 521 }
 522
 523 unless ($define{'USE_REENTRANT_API'}) {
 524     skip_symbols [qw(
 525                     PL_reentrant_buffer
 526                     )];
 527 }
 528
 529 if ($define{'MYMALLOC'}) {
 530     emit_symbols [qw(
 531                     Perl_dump_mstats
 532                     Perl_get_mstats
 533                     Perl_strdup
 534                     Perl_putenv
 535                     MallocCfg_ptr
 536                     MallocCfgP_ptr
 537                     )];
 538     if ($define{'USE_ITHREADS'}) {
 539         emit_symbols [qw(
 540                         PL_malloc_mutex
 541                         )];
 542     }
 543     else {
 544         skip_symbols [qw(
 545                         PL_malloc_mutex
 546                         )];
 547     }
 548 }
 549 else {
 550     skip_symbols [qw(
 551                     PL_malloc_mutex
 552                     Perl_dump_mstats
 553                     Perl_get_mstats
 554                     Perl_malloced_size
 555                     Perl_malloc_good_size
 556                     MallocCfg_ptr
 557                     MallocCfgP_ptr
 558                     )];
 559 }
 560
 561 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 562     skip_symbols [qw(
 563                    PL_use_safe_putenv
 564                   )];
 565 }
 566
 567 unless ($define{'USE_ITHREADS'}) {
 568     skip_symbols [qw(
 569                     PL_thr_key
 570                     )];
 571 }
 572
 573 # USE_5005THREADS symbols. Kept as reference for easier removal
 574     skip_symbols [qw(
 575                     PL_sv_mutex
 576                     PL_strtab_mutex
 577                     PL_svref_mutex
 578                     PL_cred_mutex
 579                     PL_eval_mutex
 580                     PL_fdpid_mutex
 581                     PL_sv_lock_mutex
 582                     PL_eval_cond
 583                     PL_eval_owner
 584                     PL_threads_mutex
 585                     PL_nthreads
 586                     PL_nthreads_cond
 587                     PL_threadnum
 588                     PL_threadsv_names
 589                     PL_thrsv
 590                     PL_vtbl_mutex
 591                     Perl_condpair_magic
 592                     Perl_new_struct_thread
 593                     Perl_per_thread_magicals
 594                     Perl_thread_create
 595                     Perl_find_threadsv
 596                     Perl_unlock_condpair
 597                     Perl_magic_mutexfree
 598                     Perl_sv_lock
 599                     )];
 600
 601 unless ($define{'USE_ITHREADS'}) {
 602     skip_symbols [qw(
 603                     PL_op_mutex
 604                     PL_regex_pad
 605                     PL_regex_padav
 606                     PL_sharedsv_space
 607                     PL_sharedsv_space_mutex
 608                     PL_dollarzero_mutex
 609                     PL_hints_mutex
 610                     PL_my_ctx_mutex
 611                     PL_perlio_mutex
 612                     Perl_clone_params_del
 613                     Perl_clone_params_new
 614                     Perl_parser_dup
 615                     Perl_dirp_dup
 616                     Perl_cx_dup
 617                     Perl_si_dup
 618                     Perl_any_dup
 619                     Perl_ss_dup
 620                     Perl_fp_dup
 621                     Perl_gp_dup
 622                     Perl_he_dup
 623                     Perl_mg_dup
 624                     Perl_mro_meta_dup
 625                     Perl_re_dup_guts
 626                     Perl_sv_dup
 627                     Perl_sv_dup_inc
 628                     Perl_rvpv_dup
 629                     Perl_hek_dup
 630                     Perl_sys_intern_dup
 631                     perl_clone
 632                     perl_clone_using
 633                     Perl_sharedsv_find
 634                     Perl_sharedsv_init
 635                     Perl_sharedsv_lock
 636                     Perl_sharedsv_new
 637                     Perl_sharedsv_thrcnt_dec
 638                     Perl_sharedsv_thrcnt_inc
 639                     Perl_sharedsv_unlock
 640                     Perl_stashpv_hvname_match
 641                     Perl_regdupe_internal
 642                     Perl_newPADOP
 643                     )];
 644 }
 645
 646 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 647     skip_symbols [qw(
 648                     PL_my_cxt_index
 649                     PL_my_cxt_list
 650                     PL_my_cxt_size
 651                     PL_my_cxt_keys
 652                     Perl_croak_nocontext
 653                     Perl_die_nocontext
 654                     Perl_deb_nocontext
 655                     Perl_form_nocontext
 656                     Perl_load_module_nocontext
 657                     Perl_mess_nocontext
 658                     Perl_warn_nocontext
 659                     Perl_warner_nocontext
 660                     Perl_newSVpvf_nocontext
 661                     Perl_sv_catpvf_nocontext
 662                     Perl_sv_setpvf_nocontext
 663                     Perl_sv_catpvf_mg_nocontext
 664                     Perl_sv_setpvf_mg_nocontext
 665                     Perl_my_cxt_init
 666                     Perl_my_cxt_index
 667                     )];
 668 }
 669
 670 unless ($define{'PERL_IMPLICIT_SYS'}) {
 671     skip_symbols [qw(
 672                     perl_alloc_using
 673                     perl_clone_using
 674                     )];
 675 }
 676
 677 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 678     skip_symbols [qw(
 679                      PL_OpPtr
 680                      PL_OpSlab
 681                      PL_OpSpace
 682                      Perl_Slab_Alloc
 683                      Perl_Slab_Free
 684                     )];
 685 }
 686
 687 unless ($define{'PERL_DEBUG_READONLY_OPS'}) {
 688     skip_symbols [qw(
 689                     PL_slab_count
 690                     PL_slabs
 691                   )];
 692 }
 693
 694 unless ($define{'THREADS_HAVE_PIDS'}) {
 695     skip_symbols [qw(PL_ppid)];
 696 }
 697
 698 unless ($define{'PERL_NEED_APPCTX'}) {
 699     skip_symbols [qw(
 700                     PL_appctx
 701                     )];
 702 }
 703
 704 unless ($define{'PERL_NEED_TIMESBASE'}) {
 705     skip_symbols [qw(
 706                     PL_timesbase
 707                     )];
 708 }
 709
 710 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 711     skip_symbols [qw(
 712                     PL_sv_serial
 713                     )];
 714 }
 715
 716 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 717     skip_symbols [qw(
 718                     PL_dumper_fd
 719                     )];
 720 }
 721 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 722     skip_symbols [qw(
 723                      Perl_gv_SVadd
 724                     )];
 725 }
 726 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 727     skip_symbols [qw(
 728                      Perl_my_sprintf
 729                     )];
 730 }
 731 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 732     skip_symbols [qw(
 733                      Perl_pidgone
 734                      PL_pidstatus
 735                     )];
 736 }
 737
 738 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 739     skip_symbols [qw(
 740                      PL_memory_debug_header
 741                     )];
 742 }
 743
 744 unless ($define{PERL_MAD}) {
 745     skip_symbols [qw(
 746                     PL_madskills
 747                     PL_xmlfp
 748                     Perl_pad_peg
 749                     Perl_xmldump_indent
 750                     Perl_xmldump_vindent
 751                     Perl_xmldump_all
 752                     Perl_xmldump_packsubs
 753                     Perl_xmldump_sub
 754                     Perl_xmldump_form
 755                     Perl_xmldump_eval
 756                     Perl_sv_catxmlsv
 757                     Perl_sv_catxmlpvn
 758                     Perl_sv_xmlpeek
 759                     Perl_do_pmop_xmldump
 760                     Perl_pmop_xmldump
 761                     Perl_do_op_xmldump
 762                     Perl_op_xmldump
 763                     )];
 764 }
 765
 766 unless ($define{'MULTIPLICITY'}) {
 767     skip_symbols [qw(
 768                     PL_interp_size
 769                     PL_interp_size_5_16_0
 770                     )];
 771 }
 772
 773 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 774     skip_symbols [qw(
 775                     PL_global_struct_size
 776                     )];
 777 }
 778
 779 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 780     skip_symbols [qw(
 781                     PL_my_cxt_keys
 782                     Perl_my_cxt_index
 783                     )];
 784 }
 785
 786 unless ($define{HAS_MMAP}) {
 787     skip_symbols [qw(
 788                     PL_mmap_page_size
 789                     )];
 790 }
 791
 792 if ($define{HAS_SIGACTION}) {
 793     skip_symbols [qw(
 794                     PL_sig_trapped
 795                     )];
 796 }
 797
 798 unless ($define{USE_LOCALE_COLLATE}) {
 799     skip_symbols [qw(
 800                     PL_collation_ix
 801                     PL_collation_name
 802                     PL_collation_standard
 803                     PL_collxfrm_base
 804                     PL_collxfrm_mult
 805                     Perl_sv_collxfrm
 806                     Perl_sv_collxfrm_flags
 807                     )];
 808 }
 809
 810 unless ($define{USE_LOCALE_NUMERIC}) {
 811     skip_symbols [qw(
 812                     PL_numeric_local
 813                     PL_numeric_name
 814                     PL_numeric_radix_sv
 815                     PL_numeric_standard
 816                     )];
 817 }
 818
 819 unless ($define{HAVE_INTERP_INTERN}) {
 820     skip_symbols [qw(
 821                     Perl_sys_intern_clear
 822                     Perl_sys_intern_dup
 823                     Perl_sys_intern_init
 824                     PL_sys_intern
 825                    )];
 826 }
 827
 828 if ($define{HAS_SIGNBIT}) {
 829     skip_symbols([qw(
 830                         Perl_signbit
 831                    )])
 832 }
 833
 834 sub readvar {
 835     my $file = shift;
 836     my $proc = shift || sub { "PL_$_[2]" };
 837     open(VARS,$file) || die "Cannot open $file: $!\n";
 838     my @syms;
 839     while (<VARS>) {
 840         # All symbols have a Perl_ prefix because that's what embed.h
 841         # sticks in front of them.  The A?I?S?C? is strictly speaking
 842         # wrong.
 843         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 844     }
 845     close(VARS);
 846     return \@syms;
 847 }
 848
 849 if ($define{'PERL_GLOBAL_STRUCT'}) {
 850     my $global = readvar($perlvars_h);
 851     skip_symbols $global;
 852     emit_symbol('Perl_GetVars');
 853     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 854 } else {
 855     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 856 }
 857
 858 # functions from *.sym files
 859
 860 my @syms = ($global_sym, $globvar_sym);
 861
 862 # Symbols that are the public face of the PerlIO layers implementation
 863 # These are in _addition to_ the public face of the abstraction
 864 # and need to be exported to allow XS modules to implement layers
 865 my @layer_syms = qw(
 866                     PerlIOBase_binmode
 867                     PerlIOBase_clearerr
 868                     PerlIOBase_close
 869                     PerlIOBase_dup
 870                     PerlIOBase_eof
 871                     PerlIOBase_error
 872                     PerlIOBase_fileno
 873                     PerlIOBase_noop_fail
 874                     PerlIOBase_noop_ok
 875                     PerlIOBase_popped
 876                     PerlIOBase_pushed
 877                     PerlIOBase_read
 878                     PerlIOBase_setlinebuf
 879                     PerlIOBase_unread
 880                     PerlIOBuf_bufsiz
 881                     PerlIOBuf_close
 882                     PerlIOBuf_dup
 883                     PerlIOBuf_fill
 884                     PerlIOBuf_flush
 885                     PerlIOBuf_get_base
 886                     PerlIOBuf_get_cnt
 887                     PerlIOBuf_get_ptr
 888                     PerlIOBuf_open
 889                     PerlIOBuf_popped
 890                     PerlIOBuf_pushed
 891                     PerlIOBuf_read
 892                     PerlIOBuf_seek
 893                     PerlIOBuf_set_ptrcnt
 894                     PerlIOBuf_tell
 895                     PerlIOBuf_unread
 896                     PerlIOBuf_write
 897                     PerlIO_allocate
 898                     PerlIO_apply_layera
 899                     PerlIO_apply_layers
 900                     PerlIO_arg_fetch
 901                     PerlIO_debug
 902                     PerlIO_define_layer
 903                     PerlIO_find_layer
 904                     PerlIO_isutf8
 905                     PerlIO_layer_fetch
 906                     PerlIO_list_alloc
 907                     PerlIO_list_free
 908                     PerlIO_modestr
 909                     PerlIO_parse_layers
 910                     PerlIO_pending
 911                     PerlIO_perlio
 912                     PerlIO_pop
 913                     PerlIO_push
 914                     PerlIO_sv_dup
 915                     Perl_PerlIO_clearerr
 916                     Perl_PerlIO_close
 917                     Perl_PerlIO_context_layers
 918                     Perl_PerlIO_eof
 919                     Perl_PerlIO_error
 920                     Perl_PerlIO_fileno
 921                     Perl_PerlIO_fill
 922                     Perl_PerlIO_flush
 923                     Perl_PerlIO_get_base
 924                     Perl_PerlIO_get_bufsiz
 925                     Perl_PerlIO_get_cnt
 926                     Perl_PerlIO_get_ptr
 927                     Perl_PerlIO_read
 928                     Perl_PerlIO_seek
 929                     Perl_PerlIO_set_cnt
 930                     Perl_PerlIO_set_ptrcnt
 931                     Perl_PerlIO_setlinebuf
 932                     Perl_PerlIO_stderr
 933                     Perl_PerlIO_stdin
 934                     Perl_PerlIO_stdout
 935                     Perl_PerlIO_tell
 936                     Perl_PerlIO_unread
 937                     Perl_PerlIO_write
 938 );
 939 if ($PLATFORM eq 'netware') {
 940     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 941 }
 942
 943 if ($define{'USE_PERLIO'}) {
 944     # Export the symols that make up the PerlIO abstraction, regardless
 945     # of its implementation - read from a file
 946     push @syms, $perlio_sym;
 947
 948     # This part is then dependent on how the abstraction is implemented
 949     if ($define{'USE_SFIO'}) {
 950         # Old legacy non-stdio "PerlIO"
 951         skip_symbols \@layer_syms;
 952         skip_symbols [qw(perlsio_binmode)];
 953         # SFIO defines most of the PerlIO routines as macros
 954         # So undo most of what $perlio_sym has just done - d'oh !
 955         # Perhaps it would be better to list the ones which do exist
 956         # And emit them
 957         skip_symbols [qw(
 958                          PerlIO_canset_cnt
 959                          PerlIO_clearerr
 960                          PerlIO_close
 961                          PerlIO_eof
 962                          PerlIO_error
 963                          PerlIO_exportFILE
 964                          PerlIO_fast_gets
 965                          PerlIO_fdopen
 966                          PerlIO_fileno
 967                          PerlIO_findFILE
 968                          PerlIO_flush
 969                          PerlIO_get_base
 970                          PerlIO_get_bufsiz
 971                          PerlIO_get_cnt
 972                          PerlIO_get_ptr
 973                          PerlIO_getc
 974                          PerlIO_getname
 975                          PerlIO_has_base
 976                          PerlIO_has_cntptr
 977                          PerlIO_importFILE
 978                          PerlIO_open
 979                          PerlIO_printf
 980                          PerlIO_putc
 981                          PerlIO_puts
 982                          PerlIO_read
 983                          PerlIO_releaseFILE
 984                          PerlIO_reopen
 985                          PerlIO_rewind
 986                          PerlIO_seek
 987                          PerlIO_set_cnt
 988                          PerlIO_set_ptrcnt
 989                          PerlIO_setlinebuf
 990                          PerlIO_sprintf
 991                          PerlIO_stderr
 992                          PerlIO_stdin
 993                          PerlIO_stdout
 994                          PerlIO_stdoutf
 995                          PerlIO_tell
 996                          PerlIO_ungetc
 997                          PerlIO_vprintf
 998                          PerlIO_write
 999                          PerlIO_perlio
1000                          Perl_PerlIO_clearerr
1001                          Perl_PerlIO_close
1002                          Perl_PerlIO_eof
1003                          Perl_PerlIO_error
1004                          Perl_PerlIO_fileno
1005                          Perl_PerlIO_fill
1006                          Perl_PerlIO_flush
1007                          Perl_PerlIO_get_base
1008                          Perl_PerlIO_get_bufsiz
1009                          Perl_PerlIO_get_cnt
1010                          Perl_PerlIO_get_ptr
1011                          Perl_PerlIO_read
1012                          Perl_PerlIO_seek
1013                          Perl_PerlIO_set_cnt
1014                          Perl_PerlIO_set_ptrcnt
1015                          Perl_PerlIO_setlinebuf
1016                          Perl_PerlIO_stderr
1017                          Perl_PerlIO_stdin
1018                          Perl_PerlIO_stdout
1019                          Perl_PerlIO_tell
1020                          Perl_PerlIO_unread
1021                          Perl_PerlIO_write
1022                          PL_def_layerlist
1023                          PL_known_layers
1024                          PL_perlio
1025                          )];
1026     }
1027     else {
1028         # PerlIO with layers - export implementation
1029         emit_symbols \@layer_syms;
1030         emit_symbols [qw(perlsio_binmode)];
1031     }
1032     if ($define{'USE_ITHREADS'}) {
1033         emit_symbols [qw(
1034                         PL_perlio_mutex
1035                         )];
1036     }
1037     else {
1038         skip_symbols [qw(
1039                         PL_perlio_mutex
1040                         )];
1041     }
1042 } else {
1043         # -Uuseperlio
1044         # Skip the PerlIO layer symbols - although
1045         # nothing should have exported them anyway.
1046         skip_symbols \@layer_syms;
1047         skip_symbols [qw(
1048                         perlsio_binmode
1049                         PL_def_layerlist
1050                         PL_known_layers
1051                         PL_perlio
1052                         PL_perlio_debug_fd
1053                         PL_perlio_fd_refcnt
1054                         PL_perlio_fd_refcnt_size
1055                         )];
1056
1057         # Also do NOT add abstraction symbols from $perlio_sym
1058         # abstraction is done as #define to stdio
1059         # Remaining remnants that _may_ be functions
1060         # are handled in <DATA>
1061 }
1062
1063 for my $syms (@syms) {
1064     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1065     while (<GLOBAL>) {
1066         next if (!/^[A-Za-z]/);
1067         # Functions have a Perl_ prefix
1068         # Variables have a PL_ prefix
1069         chomp($_);
1070         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1071         $symbol .= $_;
1072         emit_symbol($symbol) unless exists $skip{$symbol};
1073     }
1074     close(GLOBAL);
1075 }
1076
1077 # variables
1078
1079 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
1080     for my $f ($perlvars_h) {
1081         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1082         emit_symbols $glob;
1083     }
1084     # XXX AIX seems to want the perlvars.h symbols, for some reason
1085     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1086         my $glob = readvar($perlvars_h);
1087         emit_symbols $glob;
1088     }
1089 }
1090 else {
1091     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1092         my $glob = readvar($perlvars_h);
1093         emit_symbols $glob;
1094     }
1095     unless ($define{MULTIPLICITY}) {
1096         my $glob = readvar($intrpvar_h);
1097         emit_symbols $glob;
1098     }
1099 }
1100
1101 sub try_symbol {
1102     my $symbol = shift;
1103
1104     return if $symbol !~ /^[A-Za-z_]/;
1105     return if $symbol =~ /^\#/;
1106     $symbol =~s/\r//g;
1107     chomp($symbol);
1108     return if exists $skip{$symbol};
1109     emit_symbol($symbol);
1110 }
1111
1112 while (<DATA>) {
1113     try_symbol($_);
1114 }
1115
1116 if ($PLATFORM eq 'win32') {
1117     try_symbol($_) foreach qw(
1118                                  setgid
1119                                  setuid
1120                                  win32_free_childdir
1121                                  win32_free_childenv
1122                                  win32_get_childdir
1123                                  win32_get_childenv
1124                                  win32_spawnvp
1125                             );
1126 }
1127
1128 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1129     foreach my $symbol (qw(
1130                             Perl_init_os_extras
1131                             Perl_thread_create
1132                             Perl_win32_init
1133                             Perl_win32_term
1134                             RunPerl
1135                             win32_async_check
1136                             win32_errno
1137                             win32_environ
1138                             win32_abort
1139                             win32_fstat
1140                             win32_stat
1141                             win32_pipe
1142                             win32_popen
1143                             win32_pclose
1144                             win32_rename
1145                             win32_setmode
1146                             win32_chsize
1147                             win32_lseek
1148                             win32_tell
1149                             win32_dup
1150                             win32_dup2
1151                             win32_open
1152                             win32_close
1153                             win32_eof
1154                             win32_isatty
1155                             win32_read
1156                             win32_write
1157                             win32_mkdir
1158                             win32_rmdir
1159                             win32_chdir
1160                             win32_flock
1161                             win32_execv
1162                             win32_execvp
1163                             win32_htons
1164                             win32_ntohs
1165                             win32_htonl
1166                             win32_ntohl
1167                             win32_inet_addr
1168                             win32_inet_ntoa
1169                             win32_socket
1170                             win32_bind
1171                             win32_listen
1172                             win32_accept
1173                             win32_connect
1174                             win32_send
1175                             win32_sendto
1176                             win32_recv
1177                             win32_recvfrom
1178                             win32_shutdown
1179                             win32_closesocket
1180                             win32_ioctlsocket
1181                             win32_setsockopt
1182                             win32_getsockopt
1183                             win32_getpeername
1184                             win32_getsockname
1185                             win32_gethostname
1186                             win32_gethostbyname
1187                             win32_gethostbyaddr
1188                             win32_getprotobyname
1189                             win32_getprotobynumber
1190                             win32_getservbyname
1191                             win32_getservbyport
1192                             win32_select
1193                             win32_endhostent
1194                             win32_endnetent
1195                             win32_endprotoent
1196                             win32_endservent
1197                             win32_getnetent
1198                             win32_getnetbyname
1199                             win32_getnetbyaddr
1200                             win32_getprotoent
1201                             win32_getservent
1202                             win32_sethostent
1203                             win32_setnetent
1204                             win32_setprotoent
1205                             win32_setservent
1206                             win32_getenv
1207                             win32_putenv
1208                             win32_perror
1209                             win32_malloc
1210                             win32_calloc
1211                             win32_realloc
1212                             win32_free
1213                             win32_sleep
1214                             win32_times
1215                             win32_access
1216                             win32_alarm
1217                             win32_chmod
1218                             win32_open_osfhandle
1219                             win32_get_osfhandle
1220                             win32_ioctl
1221                             win32_link
1222                             win32_unlink
1223                             win32_utime
1224                             win32_gettimeofday
1225                             win32_uname
1226                             win32_wait
1227                             win32_waitpid
1228                             win32_kill
1229                             win32_str_os_error
1230                             win32_opendir
1231                             win32_readdir
1232                             win32_telldir
1233                             win32_seekdir
1234                             win32_rewinddir
1235                             win32_closedir
1236                             win32_longpath
1237                             win32_ansipath
1238                             win32_os_id
1239                             win32_getpid
1240                             win32_crypt
1241                             win32_dynaload
1242                             win32_clearenv
1243                             win32_stdin
1244                             win32_stdout
1245                             win32_stderr
1246                             win32_ferror
1247                             win32_feof
1248                             win32_strerror
1249                             win32_fprintf
1250                             win32_printf
1251                             win32_vfprintf
1252                             win32_vprintf
1253                             win32_fread
1254                             win32_fwrite
1255                             win32_fopen
1256                             win32_fdopen
1257                             win32_freopen
1258                             win32_fclose
1259                             win32_fputs
1260                             win32_fputc
1261                             win32_ungetc
1262                             win32_getc
1263                             win32_fileno
1264                             win32_clearerr
1265                             win32_fflush
1266                             win32_ftell
1267                             win32_fseek
1268                             win32_fgetpos
1269                             win32_fsetpos
1270                             win32_rewind
1271                             win32_tmpfile
1272                             win32_setbuf
1273                             win32_setvbuf
1274                             win32_flushall
1275                             win32_fcloseall
1276                             win32_fgets
1277                             win32_gets
1278                             win32_fgetc
1279                             win32_putc
1280                             win32_puts
1281                             win32_getchar
1282                             win32_putchar
1283                            ))
1284     {
1285         try_symbol($symbol);
1286     }
1287     if ($CCTYPE eq "BORLAND") {
1288         try_symbol('_matherr');
1289     }
1290 }
1291 elsif ($PLATFORM eq 'os2') {
1292     my (%mapped, @missing);
1293     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1294     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1295     close MAP or die 'Cannot close miniperl.map';
1296
1297     @missing = grep { !exists $mapped{$_} }
1298                     keys %export;
1299     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1300     delete $export{$_} foreach @missing;
1301 }
1302 elsif ($PLATFORM eq 'netware') {
1303 foreach my $symbol (qw(
1304                         Perl_init_os_extras
1305                         Perl_thread_create
1306                         Perl_nw5_init
1307                         RunPerl
1308                         AllocStdPerl
1309                         FreeStdPerl
1310                         do_spawn2
1311                         do_aspawn
1312                         nw_uname
1313                         nw_stdin
1314                         nw_stdout
1315                         nw_stderr
1316                         nw_feof
1317                         nw_ferror
1318                         nw_fopen
1319                         nw_fclose
1320                         nw_clearerr
1321                         nw_getc
1322                         nw_fgets
1323                         nw_fputc
1324                         nw_fputs
1325                         nw_fflush
1326                         nw_ungetc
1327                         nw_fileno
1328                         nw_fdopen
1329                         nw_freopen
1330                         nw_fread
1331                         nw_fwrite
1332                         nw_setbuf
1333                         nw_setvbuf
1334                         nw_vfprintf
1335                         nw_ftell
1336                         nw_fseek
1337                         nw_rewind
1338                         nw_tmpfile
1339                         nw_fgetpos
1340                         nw_fsetpos
1341                         nw_dup
1342                         nw_access
1343                         nw_chmod
1344                         nw_chsize
1345                         nw_close
1346                         nw_dup2
1347                         nw_flock
1348                         nw_isatty
1349                         nw_link
1350                         nw_lseek
1351                         nw_stat
1352                         nw_mktemp
1353                         nw_open
1354                         nw_read
1355                         nw_rename
1356                         nw_setmode
1357                         nw_unlink
1358                         nw_utime
1359                         nw_write
1360                         nw_chdir
1361                         nw_rmdir
1362                         nw_closedir
1363                         nw_opendir
1364                         nw_readdir
1365                         nw_rewinddir
1366                         nw_seekdir
1367                         nw_telldir
1368                         nw_htonl
1369                         nw_htons
1370                         nw_ntohl
1371                         nw_ntohs
1372                         nw_accept
1373                         nw_bind
1374                         nw_connect
1375                         nw_endhostent
1376                         nw_endnetent
1377                         nw_endprotoent
1378                         nw_endservent
1379                         nw_gethostbyaddr
1380                         nw_gethostbyname
1381                         nw_gethostent
1382                         nw_gethostname
1383                         nw_getnetbyaddr
1384                         nw_getnetbyname
1385                         nw_getnetent
1386                         nw_getpeername
1387                         nw_getprotobyname
1388                         nw_getprotobynumber
1389                         nw_getprotoent
1390                         nw_getservbyname
1391                         nw_getservbyport
1392                         nw_getservent
1393                         nw_getsockname
1394                         nw_getsockopt
1395                         nw_inet_addr
1396                         nw_listen
1397                         nw_socket
1398                         nw_recv
1399                         nw_recvfrom
1400                         nw_select
1401                         nw_send
1402                         nw_sendto
1403                         nw_sethostent
1404                         nw_setnetent
1405                         nw_setprotoent
1406                         nw_setservent
1407                         nw_setsockopt
1408                         nw_inet_ntoa
1409                         nw_shutdown
1410                         nw_crypt
1411                         nw_execvp
1412                         nw_kill
1413                         nw_Popen
1414                         nw_Pclose
1415                         nw_Pipe
1416                         nw_times
1417                         nw_waitpid
1418                         nw_getpid
1419                         nw_spawnvp
1420                         nw_os_id
1421                         nw_open_osfhandle
1422                         nw_get_osfhandle
1423                         nw_abort
1424                         nw_sleep
1425                         nw_wait
1426                         nw_dynaload
1427                         nw_strerror
1428                         fnFpSetMode
1429                         fnInsertHashListAddrs
1430                         fnGetHashListAddrs
1431                         Perl_deb
1432                         Perl_sv_setsv
1433                         Perl_sv_catsv
1434                         Perl_sv_catpvn
1435                         Perl_sv_2pv
1436                         nw_freeenviron
1437                         Remove_Thread_Ctx
1438                            ))
1439     {
1440         try_symbol($symbol);
1441     }
1442 }
1443
1444 # records of type boot_module for statically linked modules (except Dynaloader)
1445 $static_ext =~ s/\//__/g;
1446 $static_ext =~ s/\bDynaLoader\b//;
1447 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1448 foreach my $symbol (@stat_mods)
1449     {
1450         try_symbol($symbol);
1451     }
1452
1453 try_symbol("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1454
1455 # Now all symbols should be defined because
1456 # next we are going to output them.
1457
1458 foreach my $symbol (sort keys %export) {
1459     output_symbol($symbol);
1460 }
1461
1462 if ($PLATFORM eq 'os2') {
1463         print <<EOP;
1464     dll_perlmain=main
1465     fill_extLibpath
1466     dir_subst
1467     Perl_OS2_handler_install
1468
1469 ; LAST_ORDINAL=$sym_ord
1470 EOP
1471 }
1472
1473 sub emit_symbol {
1474     my $symbol = shift;
1475     chomp($symbol);
1476     $export{$symbol} = 1;
1477 }
1478
1479 sub output_symbol {
1480     my $symbol = shift;
1481     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1482         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1483         print "\t$symbol\n";
1484 # XXX: binary compatibility between compilers is an exercise
1485 # in frustration :-(
1486 #        if ($CCTYPE eq "BORLAND") {
1487 #           # workaround Borland quirk by exporting both the straight
1488 #           # name and a name with leading underscore.  Note the
1489 #           # alias *must* come after the symbol itself, if both
1490 #           # are to be exported. (Linker bug?)
1491 #           print "\t_$symbol\n";
1492 #           print "\t$symbol = _$symbol\n";
1493 #       }
1494 #       elsif ($CCTYPE eq 'GCC') {
1495 #           # Symbols have leading _ whole process is $%@"% slow
1496 #           # so skip aliases for now
1497 #           nprint "\t$symbol\n";
1498 #       }
1499 #       else {
1500 #           # for binary coexistence, export both the symbol and
1501 #           # alias with leading underscore
1502 #           print "\t$symbol\n";
1503 #           print "\t_$symbol = $symbol\n";
1504 #       }
1505     }
1506     elsif ($PLATFORM eq 'os2') {
1507         printf qq(    %-31s \@%s\n),
1508           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1509         printf qq(    %-31s \@%s\n),
1510           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1511           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1512           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1513     }
1514     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'vms') {
1515         print "$symbol\n";
1516     }
1517         elsif ($PLATFORM eq 'netware') {
1518         print "\t$symbol,\n";
1519         }
1520 }
1521
1522 1;
1523 __DATA__
1524 # Oddities from PerlIO
1525 PerlIO_binmode
1526 PerlIO_getpos
1527 PerlIO_init
1528 PerlIO_setpos
1529 PerlIO_sprintf
1530 PerlIO_sv_dup
1531 PerlIO_tmpfile
1532 PerlIO_vsprintf