makedef.pl

   1 #
   2 # Create the export list for perl.
   3 #
   4 # Needed by WIN32 and OS/2 for creating perl.dll,
   5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   6 # and by MacOS Classic.
   7 #
   8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   9 # On OS/2 reads miniperl.map and the previous version of perl5.def as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 while (@ARGV) {
  15     my $flag = shift;
  16     if ($flag =~ s/^CC_FLAGS=/ /) {
  17         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  18             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  19             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  20         }
  21         next;
  22     }
  23     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  24     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  25     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  26     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  27     if ($PLATFORM eq 'netware') {
  28         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  29     }
  30 }
  31
  32 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  33 my %PLATFORM;
  34 @PLATFORM{@PLATFORM} = ();
  35
  36 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  37 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  38
  39 if ($PLATFORM eq 'win32') {
  40         # Add the compile-time options that miniperl was built with to %define.
  41         # These are not the same options as perl itself will be built with since
  42         # miniperl is built with a canned config (one of the win32/config_H.*)
  43         # and none of the BUILDOPT's that are set in the makefiles, but they do
  44         # include some #define's that are hard-coded in various source files and
  45         # header files and don't include any BUILDOPT's that the user might have
  46         # chosen to disable because the canned configs are minimal configs that
  47         # don't include any of those options.
  48         my $config = `$^X -V`;
  49         my($options) = $config =~ /^  Compile-time options: (.*?)^  \S/ms;
  50         foreach (split /\s+/, $options) {
  51                 $define{$_} = 1;
  52         }
  53 }
  54
  55 my %exportperlmalloc =
  56     (
  57        Perl_malloc              =>      "malloc",
  58        Perl_mfree               =>      "free",
  59        Perl_realloc             =>      "realloc",
  60        Perl_calloc              =>      "calloc",
  61     );
  62
  63 my $exportperlmalloc = $PLATFORM eq 'os2';
  64
  65 my $config_sh   = "config.sh";
  66 my $config_h    = "config.h";
  67 my $thrdvar_h   = "thrdvar.h";
  68 my $intrpvar_h  = "intrpvar.h";
  69 my $perlvars_h  = "perlvars.h";
  70 my $global_sym  = "global.sym";
  71 my $pp_sym      = "pp.sym";
  72 my $globvar_sym = "globvar.sym";
  73 my $perlio_sym  = "perlio.sym";
  74 my $static_ext = "";
  75
  76 if ($PLATFORM eq 'aix') {
  77     # Nothing for now.
  78 }
  79 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  80     $CCTYPE = "MSVC" unless defined $CCTYPE;
  81     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  82              $pp_sym, $globvar_sym, $perlio_sym) {
  83         s!^!..\\!;
  84     }
  85 }
  86 elsif ($PLATFORM eq 'MacOS') {
  87     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  88              $pp_sym, $globvar_sym, $perlio_sym) {
  89         s!^!::!;
  90     }
  91 }
  92
  93 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  94     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  95     while (<CFG>) {
  96         if (/^(?:ccflags|optimize)='(.+)'$/) {
  97             $_ = $1;
  98             $define{$1} = 1 while /-D(\w+)/g;
  99         }
 100         if (/^(d_(?:mmap|sigaction))='(.+)'$/) {
 101             $define{$1} = $2;
 102         }
 103         if ($PLATFORM eq 'os2') {
 104             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 105             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 106             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 107         }
 108     }
 109     close(CFG);
 110 }
 111 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 112     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 113     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 114         $static_ext = $1;
 115     }
 116     close(CFG);
 117 }
 118
 119 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 120 while (<CFG>) {
 121     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 122     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 123     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 124     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 125 }
 126 close(CFG);
 127
 128 # perl.h logic duplication begins
 129
 130 if ($define{PERL_IMPLICIT_SYS}) {
 131     $define{PL_OP_SLAB_ALLOC} = 1;
 132 }
 133
 134 if ($define{USE_ITHREADS}) {
 135     if (!$define{MULTIPLICITY}) {
 136         $define{MULTIPLICITY} = 1;
 137     }
 138 }
 139
 140 $define{PERL_IMPLICIT_CONTEXT} ||=
 141     $define{USE_ITHREADS} ||
 142     $define{MULTIPLICITY} ;
 143
 144 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 145     $define{USE_REENTRANT_API} = 1;
 146 }
 147
 148 # perl.h logic duplication ends
 149
 150 my $sym_ord = 0;
 151
 152 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 153     warn join(' ',keys %define)."\n";
 154     ($dll = ($define{PERL_DLL} || "perl59")) =~ s/\.dll$//i;
 155     print "LIBRARY $dll\n";
 156     print "DESCRIPTION 'Perl interpreter'\n";
 157     print "EXPORTS\n";
 158     if ($define{PERL_IMPLICIT_SYS}) {
 159         output_symbol("perl_get_host_info");
 160         output_symbol("perl_alloc_override");
 161     }
 162     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 163         output_symbol("perl_clone_host");
 164     }
 165 }
 166 elsif ($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 = $_ for values %ordinal; # Take the max
 177     }
 178     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 179     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 180     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 181     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 182     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 183     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 184     print <<"---EOP---";
 185 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 186 $d
 187 STACKSIZE 32768
 188 CODE LOADONCALL
 189 DATA LOADONCALL NONSHARED MULTIPLE
 190 EXPORTS
 191 ---EOP---
 192 }
 193 elsif ($PLATFORM eq 'aix') {
 194     $OSVER = `uname -v`;
 195     chop $OSVER;
 196     $OSREL = `uname -r`;
 197     chop $OSREL;
 198     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 199         print "#! ..\n";
 200     } else {
 201         print "#!\n";
 202     }
 203 }
 204 elsif ($PLATFORM eq 'netware') {
 205         if ($FILETYPE eq 'def') {
 206         print "LIBRARY perl59\n";
 207         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 208         print "EXPORTS\n";
 209         }
 210         if ($define{PERL_IMPLICIT_SYS}) {
 211             output_symbol("perl_get_host_info");
 212             output_symbol("perl_alloc_override");
 213             output_symbol("perl_clone_host");
 214         }
 215 }
 216
 217 my %skip;
 218 my %export;
 219
 220 sub skip_symbols {
 221     my $list = shift;
 222     foreach my $symbol (@$list) {
 223         $skip{$symbol} = 1;
 224     }
 225 }
 226
 227 sub emit_symbols {
 228     my $list = shift;
 229     foreach my $symbol (@$list) {
 230         my $skipsym = $symbol;
 231         # XXX hack
 232         if ($define{MULTIPLICITY}) {
 233             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 234         }
 235         emit_symbol($symbol) unless exists $skip{$skipsym};
 236     }
 237 }
 238
 239 if ($PLATFORM eq 'win32') {
 240     skip_symbols [qw(
 241                      PL_statusvalue_vms
 242                      PL_archpat_auto
 243                      PL_cryptseen
 244                      PL_DBcv
 245                      PL_generation
 246                      PL_lastgotoprobe
 247                      PL_linestart
 248                      PL_modcount
 249                      PL_pending_ident
 250                      PL_sortcxix
 251                      PL_sublex_info
 252                      PL_timesbuf
 253                      main
 254                      Perl_ErrorNo
 255                      Perl_GetVars
 256                      Perl_do_exec3
 257                      Perl_do_ipcctl
 258                      Perl_do_ipcget
 259                      Perl_do_msgrcv
 260                      Perl_do_msgsnd
 261                      Perl_do_semop
 262                      Perl_do_shmio
 263                      Perl_dump_fds
 264                      Perl_init_thread_intern
 265                      Perl_my_bzero
 266                      Perl_my_bcopy
 267                      Perl_my_htonl
 268                      Perl_my_ntohl
 269                      Perl_my_swap
 270                      Perl_my_chsize
 271                      Perl_same_dirent
 272                      Perl_setenv_getix
 273                      Perl_unlnk
 274                      Perl_watch
 275                      Perl_safexcalloc
 276                      Perl_safexmalloc
 277                      Perl_safexfree
 278                      Perl_safexrealloc
 279                      Perl_my_memcmp
 280                      Perl_my_memset
 281                      PL_cshlen
 282                      PL_cshname
 283                      PL_opsave
 284                      Perl_do_exec
 285                      Perl_getenv_len
 286                      Perl_my_pclose
 287                      Perl_my_popen
 288                      )];
 289 }
 290 else {
 291     skip_symbols [qw(
 292                      Perl_do_spawn
 293                      Perl_do_spawn_nowait
 294                      Perl_do_aspawn
 295                      )];
 296 }
 297 if ($PLATFORM eq 'wince') {
 298     skip_symbols [qw(
 299                      PL_statusvalue_vms
 300                      PL_archpat_auto
 301                      PL_cryptseen
 302                      PL_DBcv
 303                      PL_generation
 304                      PL_lastgotoprobe
 305                      PL_linestart
 306                      PL_modcount
 307                      PL_pending_ident
 308                      PL_sortcxix
 309                      PL_sublex_info
 310                      PL_timesbuf
 311                      PL_collation_ix
 312                      PL_collation_name
 313                      PL_collation_standard
 314                      PL_collxfrm_base
 315                      PL_collxfrm_mult
 316                      PL_numeric_compat1
 317                      PL_numeric_local
 318                      PL_numeric_name
 319                      PL_numeric_radix_sv
 320                      PL_numeric_standard
 321                      PL_vtbl_collxfrm
 322                      Perl_sv_collxfrm
 323                      setgid
 324                      setuid
 325                      win32_free_childdir
 326                      win32_free_childenv
 327                      win32_get_childdir
 328                      win32_get_childenv
 329                      win32_spawnvp
 330                      main
 331                      Perl_ErrorNo
 332                      Perl_GetVars
 333                      Perl_do_exec3
 334                      Perl_do_ipcctl
 335                      Perl_do_ipcget
 336                      Perl_do_msgrcv
 337                      Perl_do_msgsnd
 338                      Perl_do_semop
 339                      Perl_do_shmio
 340                      Perl_dump_fds
 341                      Perl_init_thread_intern
 342                      Perl_my_bzero
 343                      Perl_my_bcopy
 344                      Perl_my_htonl
 345                      Perl_my_ntohl
 346                      Perl_my_swap
 347                      Perl_my_chsize
 348                      Perl_same_dirent
 349                      Perl_setenv_getix
 350                      Perl_unlnk
 351                      Perl_watch
 352                      Perl_safexcalloc
 353                      Perl_safexmalloc
 354                      Perl_safexfree
 355                      Perl_safexrealloc
 356                      Perl_my_memcmp
 357                      Perl_my_memset
 358                      PL_cshlen
 359                      PL_cshname
 360                      PL_opsave
 361                      Perl_do_exec
 362                      Perl_getenv_len
 363                      Perl_my_pclose
 364                      Perl_my_popen
 365                      )];
 366 }
 367 elsif ($PLATFORM eq 'aix') {
 368     skip_symbols([qw(
 369                      Perl_dump_fds
 370                      Perl_ErrorNo
 371                      Perl_GetVars
 372                      Perl_my_bcopy
 373                      Perl_my_bzero
 374                      Perl_my_chsize
 375                      Perl_my_htonl
 376                      Perl_my_memcmp
 377                      Perl_my_memset
 378                      Perl_my_ntohl
 379                      Perl_my_swap
 380                      Perl_safexcalloc
 381                      Perl_safexfree
 382                      Perl_safexmalloc
 383                      Perl_safexrealloc
 384                      Perl_same_dirent
 385                      Perl_unlnk
 386                      Perl_sys_intern_clear
 387                      Perl_sys_intern_dup
 388                      Perl_sys_intern_init
 389                      PL_cryptseen
 390                      PL_opsave
 391                      PL_statusvalue_vms
 392                      PL_sys_intern
 393                      )]);
 394 }
 395 elsif ($PLATFORM eq 'os2') {
 396     emit_symbols([qw(
 397                     ctermid
 398                     get_sysinfo
 399                     Perl_OS2_init
 400                     Perl_OS2_init3
 401                     Perl_OS2_term
 402                     OS2_Perl_data
 403                     dlopen
 404                     dlsym
 405                     dlerror
 406                     dlclose
 407                     dup2
 408                     dup
 409                     my_tmpfile
 410                     my_tmpnam
 411                     my_flock
 412                     my_rmdir
 413                     my_mkdir
 414                     my_getpwuid
 415                     my_getpwnam
 416                     my_getpwent
 417                     my_setpwent
 418                     my_endpwent
 419                     fork_with_resources
 420                     croak_with_os2error
 421                     setgrent
 422                     endgrent
 423                     getgrent
 424                     malloc_mutex
 425                     threads_mutex
 426                     nthreads
 427                     nthreads_cond
 428                     os2_cond_wait
 429                     os2_stat
 430                     os2_execname
 431                     async_mssleep
 432                     msCounter
 433                     InfoTable
 434                     pthread_join
 435                     pthread_create
 436                     pthread_detach
 437                     XS_Cwd_change_drive
 438                     XS_Cwd_current_drive
 439                     XS_Cwd_extLibpath
 440                     XS_Cwd_extLibpath_set
 441                     XS_Cwd_sys_abspath
 442                     XS_Cwd_sys_chdir
 443                     XS_Cwd_sys_cwd
 444                     XS_Cwd_sys_is_absolute
 445                     XS_Cwd_sys_is_relative
 446                     XS_Cwd_sys_is_rooted
 447                     XS_DynaLoader_mod2fname
 448                     XS_File__Copy_syscopy
 449                     Perl_Register_MQ
 450                     Perl_Deregister_MQ
 451                     Perl_Serve_Messages
 452                     Perl_Process_Messages
 453                     init_PMWIN_entries
 454                     PMWIN_entries
 455                     Perl_hab_GET
 456                     loadByOrdinal
 457                     pExtFCN
 458                     os2error
 459                     ResetWinError
 460                     CroakWinError
 461                     PL_do_undump
 462                     )]);
 463     emit_symbols([qw(os2_cond_wait
 464                      pthread_join
 465                      pthread_create
 466                      pthread_detach
 467                     )])
 468       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 469 }
 470 elsif ($PLATFORM eq 'MacOS') {
 471     skip_symbols [qw(
 472                     Perl_GetVars
 473                     PL_cryptseen
 474                     PL_cshlen
 475                     PL_cshname
 476                     PL_statusvalue_vms
 477                     PL_sys_intern
 478                     PL_opsave
 479                     PL_timesbuf
 480                     Perl_dump_fds
 481                     Perl_my_bcopy
 482                     Perl_my_bzero
 483                     Perl_my_chsize
 484                     Perl_my_htonl
 485                     Perl_my_memcmp
 486                     Perl_my_memset
 487                     Perl_my_ntohl
 488                     Perl_my_swap
 489                     Perl_safexcalloc
 490                     Perl_safexfree
 491                     Perl_safexmalloc
 492                     Perl_safexrealloc
 493                     Perl_unlnk
 494                     Perl_sys_intern_clear
 495                     Perl_sys_intern_init
 496                     )];
 497 }
 498 elsif ($PLATFORM eq 'netware') {
 499         skip_symbols [qw(
 500                         PL_statusvalue_vms
 501                         PL_archpat_auto
 502                         PL_cryptseen
 503                         PL_DBcv
 504                         PL_generation
 505                         PL_lastgotoprobe
 506                         PL_linestart
 507                         PL_modcount
 508                         PL_pending_ident
 509                         PL_sortcxix
 510                         PL_sublex_info
 511                         PL_timesbuf
 512                         main
 513                         Perl_ErrorNo
 514                         Perl_GetVars
 515                         Perl_do_exec3
 516                         Perl_do_ipcctl
 517                         Perl_do_ipcget
 518                         Perl_do_msgrcv
 519                         Perl_do_msgsnd
 520                         Perl_do_semop
 521                         Perl_do_shmio
 522                         Perl_dump_fds
 523                         Perl_init_thread_intern
 524                         Perl_my_bzero
 525                         Perl_my_htonl
 526                         Perl_my_ntohl
 527                         Perl_my_swap
 528                         Perl_my_chsize
 529                         Perl_same_dirent
 530                         Perl_setenv_getix
 531                         Perl_unlnk
 532                         Perl_watch
 533                         Perl_safexcalloc
 534                         Perl_safexmalloc
 535                         Perl_safexfree
 536                         Perl_safexrealloc
 537                         Perl_my_memcmp
 538                         Perl_my_memset
 539                         PL_cshlen
 540                         PL_cshname
 541                         PL_opsave
 542                         Perl_do_exec
 543                         Perl_getenv_len
 544                         Perl_my_pclose
 545                         Perl_my_popen
 546                         Perl_sys_intern_init
 547                         Perl_sys_intern_dup
 548                         Perl_sys_intern_clear
 549                         Perl_my_bcopy
 550                         Perl_PerlIO_write
 551                         Perl_PerlIO_unread
 552                         Perl_PerlIO_tell
 553                         Perl_PerlIO_stdout
 554                         Perl_PerlIO_stdin
 555                         Perl_PerlIO_stderr
 556                         Perl_PerlIO_setlinebuf
 557                         Perl_PerlIO_set_ptrcnt
 558                         Perl_PerlIO_set_cnt
 559                         Perl_PerlIO_seek
 560                         Perl_PerlIO_read
 561                         Perl_PerlIO_get_ptr
 562                         Perl_PerlIO_get_cnt
 563                         Perl_PerlIO_get_bufsiz
 564                         Perl_PerlIO_get_base
 565                         Perl_PerlIO_flush
 566                         Perl_PerlIO_fill
 567                         Perl_PerlIO_fileno
 568                         Perl_PerlIO_error
 569                         Perl_PerlIO_eof
 570                         Perl_PerlIO_close
 571                         Perl_PerlIO_clearerr
 572                         PerlIO_perlio
 573                         )];
 574 }
 575
 576 unless ($define{'DEBUGGING'}) {
 577     skip_symbols [qw(
 578                     Perl_deb_growlevel
 579                     Perl_debop
 580                     Perl_debprofdump
 581                     Perl_debstack
 582                     Perl_debstackptrs
 583                     Perl_sv_peek
 584                     PL_block_type
 585                     PL_watchaddr
 586                     PL_watchok
 587                     PL_watch_pvx
 588                     )];
 589 }
 590
 591 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 592     skip_symbols [qw(
 593                     PL_sig_sv
 594                     )];
 595 }
 596
 597 if ($define{'PERL_IMPLICIT_SYS'}) {
 598     skip_symbols [qw(
 599                     Perl_getenv_len
 600                     Perl_my_popen
 601                     Perl_my_pclose
 602                     )];
 603 }
 604 else {
 605     skip_symbols [qw(
 606                     PL_Mem
 607                     PL_MemShared
 608                     PL_MemParse
 609                     PL_Env
 610                     PL_StdIO
 611                     PL_LIO
 612                     PL_Dir
 613                     PL_Sock
 614                     PL_Proc
 615                     )];
 616 }
 617
 618 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 619     skip_symbols [qw(
 620                     Perl_sv_setsv_cow
 621                     Perl_sv_release_IVX
 622                   )];
 623 }
 624
 625 unless ($define{'USE_REENTRANT_API'}) {
 626     skip_symbols [qw(
 627                     PL_reentrant_buffer
 628                     )];
 629 }
 630
 631 if ($define{'MYMALLOC'}) {
 632     emit_symbols [qw(
 633                     Perl_dump_mstats
 634                     Perl_get_mstats
 635                     Perl_strdup
 636                     Perl_putenv
 637                     MallocCfg_ptr
 638                     MallocCfgP_ptr
 639                     )];
 640     if ($define{'USE_ITHREADS'}) {
 641         emit_symbols [qw(
 642                         PL_malloc_mutex
 643                         )];
 644     }
 645     else {
 646         skip_symbols [qw(
 647                         PL_malloc_mutex
 648                         )];
 649     }
 650 }
 651 else {
 652     skip_symbols [qw(
 653                     PL_malloc_mutex
 654                     Perl_dump_mstats
 655                     Perl_get_mstats
 656                     Perl_malloced_size
 657                     MallocCfg_ptr
 658                     MallocCfgP_ptr
 659                     )];
 660 }
 661
 662 unless ($define{'PERL_MALLOC_WRAP'}) {
 663     skip_symbols [qw(
 664                     PL_memory_wrap
 665                     )];
 666 }
 667
 668 unless ($define{'USE_ITHREADS'}) {
 669     skip_symbols [qw(
 670                     PL_thr_key
 671                     )];
 672 }
 673
 674 # USE_5005THREADS symbols. Kept as reference for easier removal
 675     skip_symbols [qw(
 676                     PL_sv_mutex
 677                     PL_strtab_mutex
 678                     PL_svref_mutex
 679                     PL_cred_mutex
 680                     PL_eval_mutex
 681                     PL_fdpid_mutex
 682                     PL_sv_lock_mutex
 683                     PL_eval_cond
 684                     PL_eval_owner
 685                     PL_threads_mutex
 686                     PL_nthreads
 687                     PL_nthreads_cond
 688                     PL_threadnum
 689                     PL_threadsv_names
 690                     PL_thrsv
 691                     PL_vtbl_mutex
 692                     Perl_condpair_magic
 693                     Perl_new_struct_thread
 694                     Perl_per_thread_magicals
 695                     Perl_thread_create
 696                     Perl_find_threadsv
 697                     Perl_unlock_condpair
 698                     Perl_magic_mutexfree
 699                     Perl_sv_lock
 700                     )];
 701
 702 unless ($define{'USE_ITHREADS'}) {
 703     skip_symbols [qw(
 704                     PL_ptr_table
 705                     PL_pte_root
 706                     PL_pte_arenaroot
 707                     PL_op_mutex
 708                     PL_regex_pad
 709                     PL_regex_padav
 710                     PL_sharedsv_space
 711                     PL_sharedsv_space_mutex
 712                     PL_dollarzero_mutex
 713                     Perl_dirp_dup
 714                     Perl_cx_dup
 715                     Perl_si_dup
 716                     Perl_any_dup
 717                     Perl_ss_dup
 718                     Perl_fp_dup
 719                     Perl_gp_dup
 720                     Perl_he_dup
 721                     Perl_mg_dup
 722                     Perl_re_dup
 723                     Perl_sv_dup
 724                     Perl_rvpv_dup
 725                     Perl_hek_dup
 726                     Perl_sys_intern_dup
 727                     Perl_ptr_table_clear
 728                     Perl_ptr_table_fetch
 729                     Perl_ptr_table_free
 730                     Perl_ptr_table_new
 731                     Perl_ptr_table_clear
 732                     Perl_ptr_table_free
 733                     Perl_ptr_table_split
 734                     Perl_ptr_table_store
 735                     perl_clone
 736                     perl_clone_using
 737                     Perl_sharedsv_find
 738                     Perl_sharedsv_init
 739                     Perl_sharedsv_lock
 740                     Perl_sharedsv_new
 741                     Perl_sharedsv_thrcnt_dec
 742                     Perl_sharedsv_thrcnt_inc
 743                     Perl_sharedsv_unlock
 744                     Perl_stashpv_hvname_match
 745                     )];
 746 }
 747
 748 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 749     skip_symbols [qw(
 750                     Perl_croak_nocontext
 751                     Perl_die_nocontext
 752                     Perl_deb_nocontext
 753                     Perl_form_nocontext
 754                     Perl_load_module_nocontext
 755                     Perl_mess_nocontext
 756                     Perl_warn_nocontext
 757                     Perl_warner_nocontext
 758                     Perl_newSVpvf_nocontext
 759                     Perl_sv_catpvf_nocontext
 760                     Perl_sv_setpvf_nocontext
 761                     Perl_sv_catpvf_mg_nocontext
 762                     Perl_sv_setpvf_mg_nocontext
 763                     )];
 764 }
 765
 766 unless ($define{'PERL_IMPLICIT_SYS'}) {
 767     skip_symbols [qw(
 768                     perl_alloc_using
 769                     perl_clone_using
 770                     )];
 771 }
 772
 773 unless ($define{'FAKE_THREADS'}) {
 774     skip_symbols [qw(PL_curthr)];
 775 }
 776
 777 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 778     skip_symbols [qw(
 779                      PL_OpPtr
 780                      PL_OpSlab
 781                      PL_OpSpace
 782                      Perl_Slab_Alloc
 783                      Perl_Slab_Free
 784                     )];
 785 }
 786
 787 unless ($define{'THREADS_HAVE_PIDS'}) {
 788     skip_symbols [qw(PL_ppid)];
 789 }
 790
 791 unless ($define{'PERL_NEED_APPCTX'}) {
 792     skip_symbols [qw(
 793                     PL_appctx
 794                     )];
 795 }
 796
 797 unless ($define{'PERL_NEED_TIMESBASE'}) {
 798     skip_symbols [qw(
 799                     PL_timesbase
 800                     )];
 801 }
 802
 803 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 804     skip_symbols [qw(
 805                     PL_dumper_fd
 806                     )];
 807 }
 808 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 809     skip_symbols [qw(
 810                      Perl_gv_SVadd
 811                     )];
 812 }
 813
 814 unless ($define{'d_mmap'}) {
 815     skip_symbols [qw(
 816                     PL_mmap_page_size
 817                     )];
 818 }
 819
 820 if ($define{'d_sigaction'}) {
 821     skip_symbols [qw(
 822                     PL_sig_trapped
 823                     )];
 824 }
 825
 826 if ($^O ne 'vms') {
 827     # VMS does its own thing for these symbols.
 828     skip_symbols [qw(PL_sig_handlers_initted
 829                      PL_sig_ignoring
 830                      PL_sig_defaulting)];
 831 }
 832
 833 sub readvar {
 834     my $file = shift;
 835     my $proc = shift || sub { "PL_$_[2]" };
 836     open(VARS,$file) || die "Cannot open $file: $!\n";
 837     my @syms;
 838     while (<VARS>) {
 839         # All symbols have a Perl_ prefix because that's what embed.h
 840         # sticks in front of them.  The A?I?S?C? is strictly speaking
 841         # wrong.
 842         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 843     }
 844     close(VARS);
 845     return \@syms;
 846 }
 847
 848 if ($define{'PERL_GLOBAL_STRUCT'}) {
 849     my $global = readvar($perlvars_h);
 850     skip_symbols $global;
 851     emit_symbol('Perl_GetVars');
 852     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 853 } else {
 854     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 855 }
 856
 857 # functions from *.sym files
 858
 859 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 860
 861 # Symbols that are the public face of the PerlIO layers implementation
 862 # These are in _addition to_ the public face of the abstraction
 863 # and need to be exported to allow XS modules to implement layers
 864 my @layer_syms = qw(
 865                     PerlIOBase_binmode
 866                     PerlIOBase_clearerr
 867                     PerlIOBase_close
 868                     PerlIOBase_dup
 869                     PerlIOBase_eof
 870                     PerlIOBase_error
 871                     PerlIOBase_fileno
 872                     PerlIOBase_noop_fail
 873                     PerlIOBase_noop_ok
 874                     PerlIOBase_popped
 875                     PerlIOBase_pushed
 876                     PerlIOBase_read
 877                     PerlIOBase_setlinebuf
 878                     PerlIOBase_unread
 879                     PerlIOBuf_bufsiz
 880                     PerlIOBuf_close
 881                     PerlIOBuf_dup
 882                     PerlIOBuf_fill
 883                     PerlIOBuf_flush
 884                     PerlIOBuf_get_base
 885                     PerlIOBuf_get_cnt
 886                     PerlIOBuf_get_ptr
 887                     PerlIOBuf_open
 888                     PerlIOBuf_popped
 889                     PerlIOBuf_pushed
 890                     PerlIOBuf_read
 891                     PerlIOBuf_seek
 892                     PerlIOBuf_set_ptrcnt
 893                     PerlIOBuf_tell
 894                     PerlIOBuf_unread
 895                     PerlIOBuf_write
 896                     PerlIO_allocate
 897                     PerlIO_apply_layera
 898                     PerlIO_apply_layers
 899                     PerlIO_arg_fetch
 900                     PerlIO_debug
 901                     PerlIO_define_layer
 902                     PerlIO_isutf8
 903                     PerlIO_layer_fetch
 904                     PerlIO_list_free
 905                     PerlIO_modestr
 906                     PerlIO_parse_layers
 907                     PerlIO_pending
 908                     PerlIO_perlio
 909                     PerlIO_pop
 910                     PerlIO_push
 911                     PerlIO_sv_dup
 912                     Perl_PerlIO_clearerr
 913                     Perl_PerlIO_close
 914                     Perl_PerlIO_eof
 915                     Perl_PerlIO_error
 916                     Perl_PerlIO_fileno
 917                     Perl_PerlIO_fill
 918                     Perl_PerlIO_flush
 919                     Perl_PerlIO_get_base
 920                     Perl_PerlIO_get_bufsiz
 921                     Perl_PerlIO_get_cnt
 922                     Perl_PerlIO_get_ptr
 923                     Perl_PerlIO_read
 924                     Perl_PerlIO_seek
 925                     Perl_PerlIO_set_cnt
 926                     Perl_PerlIO_set_ptrcnt
 927                     Perl_PerlIO_setlinebuf
 928                     Perl_PerlIO_stderr
 929                     Perl_PerlIO_stdin
 930                     Perl_PerlIO_stdout
 931                     Perl_PerlIO_tell
 932                     Perl_PerlIO_unread
 933                     Perl_PerlIO_write
 934 );
 935 if ($PLATFORM eq 'netware') {
 936     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 937 }
 938
 939 if ($define{'USE_PERLIO'}) {
 940     # Export the symols that make up the PerlIO abstraction, regardless
 941     # of its implementation - read from a file
 942     push @syms, $perlio_sym;
 943
 944     # This part is then dependent on how the abstraction is implemented
 945     if ($define{'USE_SFIO'}) {
 946         # Old legacy non-stdio "PerlIO"
 947         skip_symbols \@layer_syms;
 948         skip_symbols [qw(perlsio_binmode)];
 949         # SFIO defines most of the PerlIO routines as macros
 950         # So undo most of what $perlio_sym has just done - d'oh !
 951         # Perhaps it would be better to list the ones which do exist
 952         # And emit them
 953         skip_symbols [qw(
 954                          PerlIO_canset_cnt
 955                          PerlIO_clearerr
 956                          PerlIO_close
 957                          PerlIO_eof
 958                          PerlIO_error
 959                          PerlIO_exportFILE
 960                          PerlIO_fast_gets
 961                          PerlIO_fdopen
 962                          PerlIO_fileno
 963                          PerlIO_findFILE
 964                          PerlIO_flush
 965                          PerlIO_get_base
 966                          PerlIO_get_bufsiz
 967                          PerlIO_get_cnt
 968                          PerlIO_get_ptr
 969                          PerlIO_getc
 970                          PerlIO_getname
 971                          PerlIO_has_base
 972                          PerlIO_has_cntptr
 973                          PerlIO_importFILE
 974                          PerlIO_open
 975                          PerlIO_printf
 976                          PerlIO_putc
 977                          PerlIO_puts
 978                          PerlIO_read
 979                          PerlIO_releaseFILE
 980                          PerlIO_reopen
 981                          PerlIO_rewind
 982                          PerlIO_seek
 983                          PerlIO_set_cnt
 984                          PerlIO_set_ptrcnt
 985                          PerlIO_setlinebuf
 986                          PerlIO_sprintf
 987                          PerlIO_stderr
 988                          PerlIO_stdin
 989                          PerlIO_stdout
 990                          PerlIO_stdoutf
 991                          PerlIO_tell
 992                          PerlIO_ungetc
 993                          PerlIO_vprintf
 994                          PerlIO_write
 995                          PerlIO_perlio
 996                          Perl_PerlIO_clearerr
 997                          Perl_PerlIO_close
 998                          Perl_PerlIO_eof
 999                          Perl_PerlIO_error
1000                          Perl_PerlIO_fileno
1001                          Perl_PerlIO_fill
1002                          Perl_PerlIO_flush
1003                          Perl_PerlIO_get_base
1004                          Perl_PerlIO_get_bufsiz
1005                          Perl_PerlIO_get_cnt
1006                          Perl_PerlIO_get_ptr
1007                          Perl_PerlIO_read
1008                          Perl_PerlIO_seek
1009                          Perl_PerlIO_set_cnt
1010                          Perl_PerlIO_set_ptrcnt
1011                          Perl_PerlIO_setlinebuf
1012                          Perl_PerlIO_stderr
1013                          Perl_PerlIO_stdin
1014                          Perl_PerlIO_stdout
1015                          Perl_PerlIO_tell
1016                          Perl_PerlIO_unread
1017                          Perl_PerlIO_write
1018                          PL_def_layerlist
1019                          PL_known_layers
1020                          PL_perlio
1021                          )];
1022     }
1023     else {
1024         # PerlIO with layers - export implementation
1025         emit_symbols \@layer_syms;
1026         emit_symbols [qw(perlsio_binmode)];
1027     }
1028 } else {
1029         # -Uuseperlio
1030         # Skip the PerlIO layer symbols - although
1031         # nothing should have exported them anyway.
1032         skip_symbols \@layer_syms;
1033         skip_symbols [qw(perlsio_binmode)];
1034         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
1035
1036         # Also do NOT add abstraction symbols from $perlio_sym
1037         # abstraction is done as #define to stdio
1038         # Remaining remnants that _may_ be functions
1039         # are handled in <DATA>
1040 }
1041
1042 for my $syms (@syms) {
1043     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1044     while (<GLOBAL>) {
1045         next if (!/^[A-Za-z]/);
1046         # Functions have a Perl_ prefix
1047         # Variables have a PL_ prefix
1048         chomp($_);
1049         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1050         $symbol .= $_;
1051         emit_symbol($symbol) unless exists $skip{$symbol};
1052     }
1053     close(GLOBAL);
1054 }
1055
1056 # variables
1057
1058 if ($define{'MULTIPLICITY'}) {
1059     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1060         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1061         emit_symbols $glob;
1062     }
1063     # XXX AIX seems to want the perlvars.h symbols, for some reason
1064     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1065         my $glob = readvar($perlvars_h);
1066         emit_symbols $glob;
1067     }
1068 }
1069 else {
1070     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1071         my $glob = readvar($perlvars_h);
1072         emit_symbols $glob;
1073     }
1074     unless ($define{'MULTIPLICITY'}) {
1075         my $glob = readvar($intrpvar_h);
1076         emit_symbols $glob;
1077     }
1078     unless ($define{'MULTIPLICITY'}) {
1079         my $glob = readvar($thrdvar_h);
1080         emit_symbols $glob;
1081     }
1082 }
1083
1084 sub try_symbol {
1085     my $symbol = shift;
1086
1087     return if $symbol !~ /^[A-Za-z_]/;
1088     return if $symbol =~ /^\#/;
1089     $symbol =~s/\r//g;
1090     chomp($symbol);
1091     return if exists $skip{$symbol};
1092     emit_symbol($symbol);
1093 }
1094
1095 while (<DATA>) {
1096     try_symbol($_);
1097 }
1098
1099 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1100     foreach my $symbol (qw(
1101                             setuid
1102                             setgid
1103                             boot_DynaLoader
1104                             Perl_init_os_extras
1105                             Perl_thread_create
1106                             Perl_win32_init
1107                             Perl_win32_term
1108                             RunPerl
1109                             win32_async_check
1110                             win32_errno
1111                             win32_environ
1112                             win32_abort
1113                             win32_fstat
1114                             win32_stat
1115                             win32_pipe
1116                             win32_popen
1117                             win32_pclose
1118                             win32_rename
1119                             win32_setmode
1120                             win32_chsize
1121                             win32_lseek
1122                             win32_tell
1123                             win32_dup
1124                             win32_dup2
1125                             win32_open
1126                             win32_close
1127                             win32_eof
1128                             win32_read
1129                             win32_write
1130                             win32_spawnvp
1131                             win32_mkdir
1132                             win32_rmdir
1133                             win32_chdir
1134                             win32_flock
1135                             win32_execv
1136                             win32_execvp
1137                             win32_htons
1138                             win32_ntohs
1139                             win32_htonl
1140                             win32_ntohl
1141                             win32_inet_addr
1142                             win32_inet_ntoa
1143                             win32_socket
1144                             win32_bind
1145                             win32_listen
1146                             win32_accept
1147                             win32_connect
1148                             win32_send
1149                             win32_sendto
1150                             win32_recv
1151                             win32_recvfrom
1152                             win32_shutdown
1153                             win32_closesocket
1154                             win32_ioctlsocket
1155                             win32_setsockopt
1156                             win32_getsockopt
1157                             win32_getpeername
1158                             win32_getsockname
1159                             win32_gethostname
1160                             win32_gethostbyname
1161                             win32_gethostbyaddr
1162                             win32_getprotobyname
1163                             win32_getprotobynumber
1164                             win32_getservbyname
1165                             win32_getservbyport
1166                             win32_select
1167                             win32_endhostent
1168                             win32_endnetent
1169                             win32_endprotoent
1170                             win32_endservent
1171                             win32_getnetent
1172                             win32_getnetbyname
1173                             win32_getnetbyaddr
1174                             win32_getprotoent
1175                             win32_getservent
1176                             win32_sethostent
1177                             win32_setnetent
1178                             win32_setprotoent
1179                             win32_setservent
1180                             win32_getenv
1181                             win32_putenv
1182                             win32_perror
1183                             win32_malloc
1184                             win32_calloc
1185                             win32_realloc
1186                             win32_free
1187                             win32_sleep
1188                             win32_times
1189                             win32_access
1190                             win32_alarm
1191                             win32_chmod
1192                             win32_open_osfhandle
1193                             win32_get_osfhandle
1194                             win32_ioctl
1195                             win32_link
1196                             win32_unlink
1197                             win32_utime
1198                             win32_gettimeofday
1199                             win32_uname
1200                             win32_wait
1201                             win32_waitpid
1202                             win32_kill
1203                             win32_str_os_error
1204                             win32_opendir
1205                             win32_readdir
1206                             win32_telldir
1207                             win32_seekdir
1208                             win32_rewinddir
1209                             win32_closedir
1210                             win32_longpath
1211                             win32_os_id
1212                             win32_getpid
1213                             win32_crypt
1214                             win32_dynaload
1215                             win32_get_childenv
1216                             win32_free_childenv
1217                             win32_clearenv
1218                             win32_get_childdir
1219                             win32_free_childdir
1220                             win32_stdin
1221                             win32_stdout
1222                             win32_stderr
1223                             win32_ferror
1224                             win32_feof
1225                             win32_strerror
1226                             win32_fprintf
1227                             win32_printf
1228                             win32_vfprintf
1229                             win32_vprintf
1230                             win32_fread
1231                             win32_fwrite
1232                             win32_fopen
1233                             win32_fdopen
1234                             win32_freopen
1235                             win32_fclose
1236                             win32_fputs
1237                             win32_fputc
1238                             win32_ungetc
1239                             win32_getc
1240                             win32_fileno
1241                             win32_clearerr
1242                             win32_fflush
1243                             win32_ftell
1244                             win32_fseek
1245                             win32_fgetpos
1246                             win32_fsetpos
1247                             win32_rewind
1248                             win32_tmpfile
1249                             win32_setbuf
1250                             win32_setvbuf
1251                             win32_flushall
1252                             win32_fcloseall
1253                             win32_fgets
1254                             win32_gets
1255                             win32_fgetc
1256                             win32_putc
1257                             win32_puts
1258                             win32_getchar
1259                             win32_putchar
1260                            ))
1261     {
1262         try_symbol($symbol);
1263     }
1264     if ($CCTYPE eq "BORLAND") {
1265         try_symbol('_matherr');
1266     }
1267 }
1268 elsif ($PLATFORM eq 'os2') {
1269     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1270     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1271     close MAP or die 'Cannot close miniperl.map';
1272
1273     @missing = grep { !exists $mapped{$_} }
1274                     keys %export;
1275     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1276     delete $export{$_} foreach @missing;
1277 }
1278 elsif ($PLATFORM eq 'MacOS') {
1279     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1280
1281     while (<MACSYMS>) {
1282         try_symbol($_);
1283     }
1284
1285     close MACSYMS;
1286 }
1287 elsif ($PLATFORM eq 'netware') {
1288 foreach my $symbol (qw(
1289                         boot_DynaLoader
1290                         Perl_init_os_extras
1291                         Perl_thread_create
1292                         Perl_nw5_init
1293                         RunPerl
1294                         AllocStdPerl
1295                         FreeStdPerl
1296                         do_spawn2
1297                         do_aspawn
1298                         nw_uname
1299                         nw_stdin
1300                         nw_stdout
1301                         nw_stderr
1302                         nw_feof
1303                         nw_ferror
1304                         nw_fopen
1305                         nw_fclose
1306                         nw_clearerr
1307                         nw_getc
1308                         nw_fgets
1309                         nw_fputc
1310                         nw_fputs
1311                         nw_fflush
1312                         nw_ungetc
1313                         nw_fileno
1314                         nw_fdopen
1315                         nw_freopen
1316                         nw_fread
1317                         nw_fwrite
1318                         nw_setbuf
1319                         nw_setvbuf
1320                         nw_vfprintf
1321                         nw_ftell
1322                         nw_fseek
1323                         nw_rewind
1324                         nw_tmpfile
1325                         nw_fgetpos
1326                         nw_fsetpos
1327                         nw_dup
1328                         nw_access
1329                         nw_chmod
1330                         nw_chsize
1331                         nw_close
1332                         nw_dup2
1333                         nw_flock
1334                         nw_isatty
1335                         nw_link
1336                         nw_lseek
1337                         nw_stat
1338                         nw_mktemp
1339                         nw_open
1340                         nw_read
1341                         nw_rename
1342                         nw_setmode
1343                         nw_unlink
1344                         nw_utime
1345                         nw_write
1346                         nw_chdir
1347                         nw_rmdir
1348                         nw_closedir
1349                         nw_opendir
1350                         nw_readdir
1351                         nw_rewinddir
1352                         nw_seekdir
1353                         nw_telldir
1354                         nw_htonl
1355                         nw_htons
1356                         nw_ntohl
1357                         nw_ntohs
1358                         nw_accept
1359                         nw_bind
1360                         nw_connect
1361                         nw_endhostent
1362                         nw_endnetent
1363                         nw_endprotoent
1364                         nw_endservent
1365                         nw_gethostbyaddr
1366                         nw_gethostbyname
1367                         nw_gethostent
1368                         nw_gethostname
1369                         nw_getnetbyaddr
1370                         nw_getnetbyname
1371                         nw_getnetent
1372                         nw_getpeername
1373                         nw_getprotobyname
1374                         nw_getprotobynumber
1375                         nw_getprotoent
1376                         nw_getservbyname
1377                         nw_getservbyport
1378                         nw_getservent
1379                         nw_getsockname
1380                         nw_getsockopt
1381                         nw_inet_addr
1382                         nw_listen
1383                         nw_socket
1384                         nw_recv
1385                         nw_recvfrom
1386                         nw_select
1387                         nw_send
1388                         nw_sendto
1389                         nw_sethostent
1390                         nw_setnetent
1391                         nw_setprotoent
1392                         nw_setservent
1393                         nw_setsockopt
1394                         nw_inet_ntoa
1395                         nw_shutdown
1396                         nw_crypt
1397                         nw_execvp
1398                         nw_kill
1399                         nw_Popen
1400                         nw_Pclose
1401                         nw_Pipe
1402                         nw_times
1403                         nw_waitpid
1404                         nw_getpid
1405                         nw_spawnvp
1406                         nw_os_id
1407                         nw_open_osfhandle
1408                         nw_get_osfhandle
1409                         nw_abort
1410                         nw_sleep
1411                         nw_wait
1412                         nw_dynaload
1413                         nw_strerror
1414                         fnFpSetMode
1415                         fnInsertHashListAddrs
1416                         fnGetHashListAddrs
1417                         Perl_deb
1418                         Perl_sv_setsv
1419                         Perl_sv_catsv
1420                         Perl_sv_catpvn
1421                         Perl_sv_2pv
1422                         nw_freeenviron
1423                         Remove_Thread_Ctx
1424                            ))
1425     {
1426         try_symbol($symbol);
1427     }
1428 }
1429
1430 # records of type boot_module for statically linked modules (except Dynaloader)
1431 $static_ext =~ s/\//__/g;
1432 $static_ext =~ s/\bDynaLoader\b//;
1433 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1434 foreach my $symbol (@stat_mods)
1435     {
1436         try_symbol($symbol);
1437     }
1438
1439 # Now all symbols should be defined because
1440 # next we are going to output them.
1441
1442 foreach my $symbol (sort keys %export) {
1443     output_symbol($symbol);
1444 }
1445
1446 if ($PLATFORM eq 'os2') {
1447         print <<EOP;
1448     dll_perlmain=main
1449     fill_extLibpath
1450     dir_subst
1451     Perl_OS2_handler_install
1452
1453 ; LAST_ORDINAL=$sym_ord
1454 EOP
1455 }
1456
1457 sub emit_symbol {
1458     my $symbol = shift;
1459     chomp($symbol);
1460     $export{$symbol} = 1;
1461 }
1462
1463 sub output_symbol {
1464     my $symbol = shift;
1465     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1466         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1467         print "\t$symbol\n";
1468 # XXX: binary compatibility between compilers is an exercise
1469 # in frustration :-(
1470 #        if ($CCTYPE eq "BORLAND") {
1471 #           # workaround Borland quirk by exporting both the straight
1472 #           # name and a name with leading underscore.  Note the
1473 #           # alias *must* come after the symbol itself, if both
1474 #           # are to be exported. (Linker bug?)
1475 #           print "\t_$symbol\n";
1476 #           print "\t$symbol = _$symbol\n";
1477 #       }
1478 #       elsif ($CCTYPE eq 'GCC') {
1479 #           # Symbols have leading _ whole process is $%@"% slow
1480 #           # so skip aliases for now
1481 #           nprint "\t$symbol\n";
1482 #       }
1483 #       else {
1484 #           # for binary coexistence, export both the symbol and
1485 #           # alias with leading underscore
1486 #           print "\t$symbol\n";
1487 #           print "\t_$symbol = $symbol\n";
1488 #       }
1489     }
1490     elsif ($PLATFORM eq 'os2') {
1491         printf qq(    %-31s \@%s\n),
1492           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1493         printf qq(    %-31s \@%s\n),
1494           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1495           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1496           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1497     }
1498     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1499         print "$symbol\n";
1500     }
1501         elsif ($PLATFORM eq 'netware') {
1502         print "\t$symbol,\n";
1503         }
1504 }
1505
1506 1;
1507 __DATA__
1508 # extra globals not included above.
1509 Perl_cxinc
1510 perl_alloc
1511 perl_alloc_using
1512 perl_clone
1513 perl_clone_using
1514 perl_construct
1515 perl_destruct
1516 perl_free
1517 perl_parse
1518 perl_run
1519 # Oddities from PerlIO
1520 PerlIO_binmode
1521 PerlIO_getpos
1522 PerlIO_init
1523 PerlIO_setpos
1524 PerlIO_sprintf
1525 PerlIO_sv_dup
1526 PerlIO_tmpfile
1527 PerlIO_vsprintf