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 MacOS Classic.
   8 #
   9 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
  10 # On OS/2 reads miniperl.map and the previous version of perl5.def as well
  11 use strict;
  12
  13 use vars qw($PLATFORM $CCTYPE $FILETYPE $CONFIG_ARGS $ARCHNAME $PATCHLEVEL);
  14
  15 my (%define, %ordinal);
  16
  17 while (@ARGV) {
  18     my $flag = shift;
  19     if ($flag =~ s/^CC_FLAGS=/ /) {
  20         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  21             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  22             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  23         }
  24         next;
  25     }
  26     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  27     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  28     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  29     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  30     if ($PLATFORM eq 'netware') {
  31         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  32     }
  33 }
  34
  35 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  36 my %PLATFORM;
  37 @PLATFORM{@PLATFORM} = ();
  38
  39 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  40 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  41
  42 if ($PLATFORM eq 'win32' or $PLATFORM eq 'wince' or $PLATFORM eq "aix") {
  43         # Add the compile-time options that miniperl was built with to %define.
  44         # On Win32 these are not the same options as perl itself will be built
  45         # with since miniperl is built with a canned config (one of the win32/
  46         # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  47         # but they do include some #define's that are hard-coded in various
  48         # source files and header files and don't include any BUILDOPT's that
  49         # the user might have chosen to disable because the canned configs are
  50         # minimal configs that don't include any of those options.
  51         my $opts = ($PLATFORM eq 'wince' ? '-MCross' : ''); # for wince need Cross.pm to get Config.pm
  52         my $config = `$^X $opts -Ilib -V`;
  53         my($options) = $config =~ /^  Compile-time options: (.*?)\n^  \S/ms;
  54         $options =~ s/\s+/ /g;
  55         print STDERR "Options: ($options)\n";
  56         foreach (split /\s+/, $options) {
  57                 $define{$_} = 1;
  58         }
  59 }
  60
  61 my %exportperlmalloc =
  62     (
  63        Perl_malloc              =>      "malloc",
  64        Perl_mfree               =>      "free",
  65        Perl_realloc             =>      "realloc",
  66        Perl_calloc              =>      "calloc",
  67     );
  68
  69 my $exportperlmalloc = $PLATFORM eq 'os2';
  70
  71 my $config_sh   = "config.sh";
  72 my $config_h    = "config.h";
  73 my $thrdvar_h   = "thrdvar.h";
  74 my $intrpvar_h  = "intrpvar.h";
  75 my $perlvars_h  = "perlvars.h";
  76 my $global_sym  = "global.sym";
  77 my $pp_sym      = "pp.sym";
  78 my $globvar_sym = "globvar.sym";
  79 my $perlio_sym  = "perlio.sym";
  80 my $static_ext = "";
  81
  82 if ($PLATFORM eq 'aix') {
  83     # Nothing for now.
  84 }
  85 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  86     $CCTYPE = "MSVC" unless defined $CCTYPE;
  87     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  88              $pp_sym, $globvar_sym, $perlio_sym) {
  89         s!^!..\\!;
  90     }
  91 }
  92 elsif ($PLATFORM eq 'MacOS') {
  93     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  94              $pp_sym, $globvar_sym, $perlio_sym) {
  95         s!^!::!;
  96     }
  97 }
  98
  99 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
 100     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
 101     while (<CFG>) {
 102         if (/^(?:ccflags|optimize)='(.+)'$/) {
 103             $_ = $1;
 104             $define{$1} = 1 while /-D(\w+)/g;
 105         }
 106         if (/^(d_(?:mmap|sigaction))='(.+)'$/) {
 107             $define{$1} = $2;
 108         }
 109         if ($PLATFORM eq 'os2') {
 110             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 111             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 112             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 113         }
 114     }
 115     close(CFG);
 116 }
 117 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 118     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 119     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 120         $static_ext = $1;
 121     }
 122     close(CFG);
 123 }
 124
 125 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 126 while (<CFG>) {
 127     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 128     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 129     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 130     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 131 }
 132 close(CFG);
 133
 134 # perl.h logic duplication begins
 135
 136 if ($define{PERL_IMPLICIT_SYS}) {
 137     $define{PL_OP_SLAB_ALLOC} = 1;
 138 }
 139
 140 if ($define{USE_ITHREADS}) {
 141     if (!$define{MULTIPLICITY}) {
 142         $define{MULTIPLICITY} = 1;
 143     }
 144 }
 145
 146 $define{PERL_IMPLICIT_CONTEXT} ||=
 147     $define{USE_ITHREADS} ||
 148     $define{MULTIPLICITY} ;
 149
 150 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 151     $define{USE_REENTRANT_API} = 1;
 152 }
 153
 154 # perl.h logic duplication ends
 155
 156 my $sym_ord = 0;
 157
 158 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 159
 160 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 161     (my $dll = ($define{PERL_DLL} || "perl59")) =~ s/\.dll$//i;
 162     print "LIBRARY $dll\n";
 163     print "DESCRIPTION 'Perl interpreter'\n";
 164     print "EXPORTS\n";
 165     if ($define{PERL_IMPLICIT_SYS}) {
 166         output_symbol("perl_get_host_info");
 167         output_symbol("perl_alloc_override");
 168     }
 169     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 170         output_symbol("perl_clone_host");
 171     }
 172 }
 173 elsif ($PLATFORM eq 'os2') {
 174     if (open my $fh, '<', 'perl5.def') {
 175       while (<$fh>) {
 176         last if /^\s*EXPORTS\b/;
 177       }
 178       while (<$fh>) {
 179         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 180         # This allows skipping ordinals which were used in older versions
 181         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 182       }
 183       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 184     }
 185     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 186     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 187     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 188     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 189     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 190     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 191     print <<"---EOP---";
 192 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 193 $d
 194 STACKSIZE 32768
 195 CODE LOADONCALL
 196 DATA LOADONCALL NONSHARED MULTIPLE
 197 EXPORTS
 198 ---EOP---
 199 }
 200 elsif ($PLATFORM eq 'aix') {
 201     my $OSVER = `uname -v`;
 202     chop $OSVER;
 203     my $OSREL = `uname -r`;
 204     chop $OSREL;
 205     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 206         print "#! ..\n";
 207     } else {
 208         print "#!\n";
 209     }
 210 }
 211 elsif ($PLATFORM eq 'netware') {
 212         if ($FILETYPE eq 'def') {
 213         print "LIBRARY perl59\n";
 214         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 215         print "EXPORTS\n";
 216         }
 217         if ($define{PERL_IMPLICIT_SYS}) {
 218             output_symbol("perl_get_host_info");
 219             output_symbol("perl_alloc_override");
 220             output_symbol("perl_clone_host");
 221         }
 222 }
 223
 224 my %skip;
 225 my %export;
 226
 227 sub skip_symbols {
 228     my $list = shift;
 229     foreach my $symbol (@$list) {
 230         $skip{$symbol} = 1;
 231     }
 232 }
 233
 234 sub emit_symbols {
 235     my $list = shift;
 236     foreach my $symbol (@$list) {
 237         my $skipsym = $symbol;
 238         # XXX hack
 239         if ($define{MULTIPLICITY}) {
 240             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 241         }
 242         emit_symbol($symbol) unless exists $skip{$skipsym};
 243     }
 244 }
 245
 246 if ($PLATFORM eq 'win32') {
 247     skip_symbols [qw(
 248                      PL_statusvalue_vms
 249                      PL_archpat_auto
 250                      PL_cryptseen
 251                      PL_DBcv
 252                      PL_generation
 253                      PL_lastgotoprobe
 254                      PL_linestart
 255                      PL_modcount
 256                      PL_pending_ident
 257                      PL_sublex_info
 258                      PL_timesbuf
 259                      main
 260                      Perl_ErrorNo
 261                      Perl_GetVars
 262                      Perl_do_exec3
 263                      Perl_do_ipcctl
 264                      Perl_do_ipcget
 265                      Perl_do_msgrcv
 266                      Perl_do_msgsnd
 267                      Perl_do_semop
 268                      Perl_do_shmio
 269                      Perl_dump_fds
 270                      Perl_init_thread_intern
 271                      Perl_my_bzero
 272                      Perl_my_bcopy
 273                      Perl_my_htonl
 274                      Perl_my_ntohl
 275                      Perl_my_swap
 276                      Perl_my_chsize
 277                      Perl_same_dirent
 278                      Perl_setenv_getix
 279                      Perl_unlnk
 280                      Perl_watch
 281                      Perl_safexcalloc
 282                      Perl_safexmalloc
 283                      Perl_safexfree
 284                      Perl_safexrealloc
 285                      Perl_my_memcmp
 286                      Perl_my_memset
 287                      PL_cshlen
 288                      PL_cshname
 289                      PL_opsave
 290                      Perl_do_exec
 291                      Perl_getenv_len
 292                      Perl_my_pclose
 293                      Perl_my_popen
 294                      Perl_my_sprintf
 295                      )];
 296 }
 297 else {
 298     skip_symbols [qw(
 299                      Perl_do_spawn
 300                      Perl_do_spawn_nowait
 301                      Perl_do_aspawn
 302                      )];
 303 }
 304 if ($PLATFORM eq 'wince') {
 305     skip_symbols [qw(
 306                      PL_statusvalue_vms
 307                      PL_archpat_auto
 308                      PL_cryptseen
 309                      PL_DBcv
 310                      PL_generation
 311                      PL_lastgotoprobe
 312                      PL_linestart
 313                      PL_modcount
 314                      PL_pending_ident
 315                      PL_sublex_info
 316                      PL_timesbuf
 317                      PL_collation_ix
 318                      PL_collation_name
 319                      PL_collation_standard
 320                      PL_collxfrm_base
 321                      PL_collxfrm_mult
 322                      PL_numeric_compat1
 323                      PL_numeric_local
 324                      PL_numeric_name
 325                      PL_numeric_radix_sv
 326                      PL_numeric_standard
 327                      PL_vtbl_collxfrm
 328                      Perl_sv_collxfrm
 329                      setgid
 330                      setuid
 331                      win32_free_childdir
 332                      win32_free_childenv
 333                      win32_get_childdir
 334                      win32_get_childenv
 335                      win32_spawnvp
 336                      main
 337                      Perl_ErrorNo
 338                      Perl_GetVars
 339                      Perl_do_exec3
 340                      Perl_do_ipcctl
 341                      Perl_do_ipcget
 342                      Perl_do_msgrcv
 343                      Perl_do_msgsnd
 344                      Perl_do_semop
 345                      Perl_do_shmio
 346                      Perl_dump_fds
 347                      Perl_init_thread_intern
 348                      Perl_my_bzero
 349                      Perl_my_bcopy
 350                      Perl_my_htonl
 351                      Perl_my_ntohl
 352                      Perl_my_swap
 353                      Perl_my_chsize
 354                      Perl_same_dirent
 355                      Perl_setenv_getix
 356                      Perl_unlnk
 357                      Perl_watch
 358                      Perl_safexcalloc
 359                      Perl_safexmalloc
 360                      Perl_safexfree
 361                      Perl_safexrealloc
 362                      Perl_my_memcmp
 363                      Perl_my_memset
 364                      PL_cshlen
 365                      PL_cshname
 366                      PL_opsave
 367                      Perl_do_exec
 368                      Perl_getenv_len
 369                      Perl_my_pclose
 370                      Perl_my_popen
 371                      Perl_my_sprintf
 372                      )];
 373 }
 374 elsif ($PLATFORM eq 'aix') {
 375     skip_symbols([qw(
 376                      Perl_dump_fds
 377                      Perl_ErrorNo
 378                      Perl_GetVars
 379                      Perl_my_bcopy
 380                      Perl_my_bzero
 381                      Perl_my_chsize
 382                      Perl_my_htonl
 383                      Perl_my_memcmp
 384                      Perl_my_memset
 385                      Perl_my_ntohl
 386                      Perl_my_swap
 387                      Perl_safexcalloc
 388                      Perl_safexfree
 389                      Perl_safexmalloc
 390                      Perl_safexrealloc
 391                      Perl_same_dirent
 392                      Perl_unlnk
 393                      Perl_sys_intern_clear
 394                      Perl_sys_intern_dup
 395                      Perl_sys_intern_init
 396                      Perl_my_sprintf
 397                      PL_cryptseen
 398                      PL_opsave
 399                      PL_statusvalue_vms
 400                      PL_sys_intern
 401                      )]);
 402 }
 403 elsif ($PLATFORM eq 'os2') {
 404     emit_symbols([qw(
 405                     ctermid
 406                     get_sysinfo
 407                     Perl_OS2_init
 408                     Perl_OS2_init3
 409                     Perl_OS2_term
 410                     OS2_Perl_data
 411                     dlopen
 412                     dlsym
 413                     dlerror
 414                     dlclose
 415                     dup2
 416                     dup
 417                     my_tmpfile
 418                     my_tmpnam
 419                     my_flock
 420                     my_rmdir
 421                     my_mkdir
 422                     my_getpwuid
 423                     my_getpwnam
 424                     my_getpwent
 425                     my_setpwent
 426                     my_endpwent
 427                     fork_with_resources
 428                     croak_with_os2error
 429                     setgrent
 430                     endgrent
 431                     getgrent
 432                     malloc_mutex
 433                     threads_mutex
 434                     nthreads
 435                     nthreads_cond
 436                     os2_cond_wait
 437                     os2_stat
 438                     os2_execname
 439                     async_mssleep
 440                     msCounter
 441                     InfoTable
 442                     pthread_join
 443                     pthread_create
 444                     pthread_detach
 445                     XS_Cwd_change_drive
 446                     XS_Cwd_current_drive
 447                     XS_Cwd_extLibpath
 448                     XS_Cwd_extLibpath_set
 449                     XS_Cwd_sys_abspath
 450                     XS_Cwd_sys_chdir
 451                     XS_Cwd_sys_cwd
 452                     XS_Cwd_sys_is_absolute
 453                     XS_Cwd_sys_is_relative
 454                     XS_Cwd_sys_is_rooted
 455                     XS_DynaLoader_mod2fname
 456                     XS_File__Copy_syscopy
 457                     Perl_Register_MQ
 458                     Perl_Deregister_MQ
 459                     Perl_Serve_Messages
 460                     Perl_Process_Messages
 461                     init_PMWIN_entries
 462                     PMWIN_entries
 463                     Perl_hab_GET
 464                     loadByOrdinal
 465                     pExtFCN
 466                     os2error
 467                     ResetWinError
 468                     CroakWinError
 469                     PL_do_undump
 470                     )]);
 471     emit_symbols([qw(os2_cond_wait
 472                      pthread_join
 473                      pthread_create
 474                      pthread_detach
 475                     )])
 476       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 477 }
 478 elsif ($PLATFORM eq 'MacOS') {
 479     skip_symbols [qw(
 480                     Perl_GetVars
 481                     PL_cryptseen
 482                     PL_cshlen
 483                     PL_cshname
 484                     PL_statusvalue_vms
 485                     PL_sys_intern
 486                     PL_opsave
 487                     PL_timesbuf
 488                     Perl_dump_fds
 489                     Perl_my_bcopy
 490                     Perl_my_bzero
 491                     Perl_my_chsize
 492                     Perl_my_htonl
 493                     Perl_my_memcmp
 494                     Perl_my_memset
 495                     Perl_my_ntohl
 496                     Perl_my_swap
 497                     Perl_safexcalloc
 498                     Perl_safexfree
 499                     Perl_safexmalloc
 500                     Perl_safexrealloc
 501                     Perl_unlnk
 502                     Perl_sys_intern_clear
 503                     Perl_sys_intern_init
 504                     )];
 505 }
 506 elsif ($PLATFORM eq 'netware') {
 507         skip_symbols [qw(
 508                         PL_statusvalue_vms
 509                         PL_archpat_auto
 510                         PL_cryptseen
 511                         PL_DBcv
 512                         PL_generation
 513                         PL_lastgotoprobe
 514                         PL_linestart
 515                         PL_modcount
 516                         PL_pending_ident
 517                         PL_sublex_info
 518                         PL_timesbuf
 519                         main
 520                         Perl_ErrorNo
 521                         Perl_GetVars
 522                         Perl_do_exec3
 523                         Perl_do_ipcctl
 524                         Perl_do_ipcget
 525                         Perl_do_msgrcv
 526                         Perl_do_msgsnd
 527                         Perl_do_semop
 528                         Perl_do_shmio
 529                         Perl_dump_fds
 530                         Perl_init_thread_intern
 531                         Perl_my_bzero
 532                         Perl_my_htonl
 533                         Perl_my_ntohl
 534                         Perl_my_swap
 535                         Perl_my_chsize
 536                         Perl_same_dirent
 537                         Perl_setenv_getix
 538                         Perl_unlnk
 539                         Perl_watch
 540                         Perl_safexcalloc
 541                         Perl_safexmalloc
 542                         Perl_safexfree
 543                         Perl_safexrealloc
 544                         Perl_my_memcmp
 545                         Perl_my_memset
 546                         PL_cshlen
 547                         PL_cshname
 548                         PL_opsave
 549                         Perl_do_exec
 550                         Perl_getenv_len
 551                         Perl_my_pclose
 552                         Perl_my_popen
 553                         Perl_sys_intern_init
 554                         Perl_sys_intern_dup
 555                         Perl_sys_intern_clear
 556                         Perl_my_bcopy
 557                         Perl_PerlIO_write
 558                         Perl_PerlIO_unread
 559                         Perl_PerlIO_tell
 560                         Perl_PerlIO_stdout
 561                         Perl_PerlIO_stdin
 562                         Perl_PerlIO_stderr
 563                         Perl_PerlIO_setlinebuf
 564                         Perl_PerlIO_set_ptrcnt
 565                         Perl_PerlIO_set_cnt
 566                         Perl_PerlIO_seek
 567                         Perl_PerlIO_read
 568                         Perl_PerlIO_get_ptr
 569                         Perl_PerlIO_get_cnt
 570                         Perl_PerlIO_get_bufsiz
 571                         Perl_PerlIO_get_base
 572                         Perl_PerlIO_flush
 573                         Perl_PerlIO_fill
 574                         Perl_PerlIO_fileno
 575                         Perl_PerlIO_error
 576                         Perl_PerlIO_eof
 577                         Perl_PerlIO_close
 578                         Perl_PerlIO_clearerr
 579                         PerlIO_perlio
 580                         )];
 581 }
 582
 583 unless ($define{'DEBUGGING'}) {
 584     skip_symbols [qw(
 585                     Perl_deb_growlevel
 586                     Perl_debop
 587                     Perl_debprofdump
 588                     Perl_debstack
 589                     Perl_debstackptrs
 590                     Perl_pad_sv
 591                     Perl_sv_peek
 592                     Perl_hv_assert
 593                     PL_block_type
 594                     PL_watchaddr
 595                     PL_watchok
 596                     PL_watch_pvx
 597                     )];
 598 }
 599
 600 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 601     skip_symbols [qw(
 602                     PL_sig_sv
 603                     )];
 604 }
 605
 606 if ($define{'PERL_IMPLICIT_SYS'}) {
 607     skip_symbols [qw(
 608                     Perl_getenv_len
 609                     Perl_my_popen
 610                     Perl_my_pclose
 611                     )];
 612 }
 613 else {
 614     skip_symbols [qw(
 615                     PL_Mem
 616                     PL_MemShared
 617                     PL_MemParse
 618                     PL_Env
 619                     PL_StdIO
 620                     PL_LIO
 621                     PL_Dir
 622                     PL_Sock
 623                     PL_Proc
 624                     )];
 625 }
 626
 627 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 628     skip_symbols [qw(
 629                     Perl_sv_setsv_cow
 630                     Perl_sv_release_IVX
 631                   )];
 632 }
 633
 634 unless ($define{'USE_REENTRANT_API'}) {
 635     skip_symbols [qw(
 636                     PL_reentrant_buffer
 637                     )];
 638 }
 639
 640 if ($define{'MYMALLOC'}) {
 641     emit_symbols [qw(
 642                     Perl_dump_mstats
 643                     Perl_get_mstats
 644                     Perl_strdup
 645                     Perl_putenv
 646                     MallocCfg_ptr
 647                     MallocCfgP_ptr
 648                     )];
 649     if ($define{'USE_ITHREADS'}) {
 650         emit_symbols [qw(
 651                         PL_malloc_mutex
 652                         )];
 653     }
 654     else {
 655         skip_symbols [qw(
 656                         PL_malloc_mutex
 657                         )];
 658     }
 659 }
 660 else {
 661     skip_symbols [qw(
 662                     PL_malloc_mutex
 663                     Perl_dump_mstats
 664                     Perl_get_mstats
 665                     Perl_malloced_size
 666                     MallocCfg_ptr
 667                     MallocCfgP_ptr
 668                     )];
 669 }
 670
 671 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 672     skip_symbols [qw(
 673                    PL_use_safe_putenv
 674                   )];
 675 }
 676
 677 unless ($define{'USE_ITHREADS'}) {
 678     skip_symbols [qw(
 679                     PL_thr_key
 680                     )];
 681 }
 682
 683 # USE_5005THREADS symbols. Kept as reference for easier removal
 684     skip_symbols [qw(
 685                     PL_sv_mutex
 686                     PL_strtab_mutex
 687                     PL_svref_mutex
 688                     PL_cred_mutex
 689                     PL_eval_mutex
 690                     PL_fdpid_mutex
 691                     PL_sv_lock_mutex
 692                     PL_eval_cond
 693                     PL_eval_owner
 694                     PL_threads_mutex
 695                     PL_nthreads
 696                     PL_nthreads_cond
 697                     PL_threadnum
 698                     PL_threadsv_names
 699                     PL_thrsv
 700                     PL_vtbl_mutex
 701                     Perl_condpair_magic
 702                     Perl_new_struct_thread
 703                     Perl_per_thread_magicals
 704                     Perl_thread_create
 705                     Perl_find_threadsv
 706                     Perl_unlock_condpair
 707                     Perl_magic_mutexfree
 708                     Perl_sv_lock
 709                     )];
 710
 711 unless ($define{'USE_ITHREADS'}) {
 712     skip_symbols [qw(
 713                     PL_op_mutex
 714                     PL_regex_pad
 715                     PL_regex_padav
 716                     PL_sharedsv_space
 717                     PL_sharedsv_space_mutex
 718                     PL_dollarzero_mutex
 719                     PL_hints_mutex
 720                     PL_perlio_mutex
 721                     PL_regdupe
 722                     Perl_parser_dup
 723                     Perl_dirp_dup
 724                     Perl_cx_dup
 725                     Perl_si_dup
 726                     Perl_any_dup
 727                     Perl_ss_dup
 728                     Perl_fp_dup
 729                     Perl_gp_dup
 730                     Perl_he_dup
 731                     Perl_mg_dup
 732                     Perl_re_dup
 733                     Perl_sv_dup
 734                     Perl_rvpv_dup
 735                     Perl_hek_dup
 736                     Perl_sys_intern_dup
 737                     perl_clone
 738                     perl_clone_using
 739                     Perl_sharedsv_find
 740                     Perl_sharedsv_init
 741                     Perl_sharedsv_lock
 742                     Perl_sharedsv_new
 743                     Perl_sharedsv_thrcnt_dec
 744                     Perl_sharedsv_thrcnt_inc
 745                     Perl_sharedsv_unlock
 746                     Perl_stashpv_hvname_match
 747                     Perl_regdupe_internal
 748                     )];
 749 }
 750
 751 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 752     skip_symbols [qw(
 753                     PL_my_ctx_mutex
 754                     PL_my_cxt_index
 755                     PL_my_cxt_list
 756                     PL_my_cxt_size
 757                     PL_my_cxt_keys
 758                     Perl_croak_nocontext
 759                     Perl_die_nocontext
 760                     Perl_deb_nocontext
 761                     Perl_form_nocontext
 762                     Perl_load_module_nocontext
 763                     Perl_mess_nocontext
 764                     Perl_warn_nocontext
 765                     Perl_warner_nocontext
 766                     Perl_newSVpvf_nocontext
 767                     Perl_sv_catpvf_nocontext
 768                     Perl_sv_setpvf_nocontext
 769                     Perl_sv_catpvf_mg_nocontext
 770                     Perl_sv_setpvf_mg_nocontext
 771                     Perl_my_cxt_init
 772                     Perl_my_cxt_index
 773                     )];
 774 }
 775
 776 unless ($define{'PERL_IMPLICIT_SYS'}) {
 777     skip_symbols [qw(
 778                     perl_alloc_using
 779                     perl_clone_using
 780                     )];
 781 }
 782
 783 unless ($define{'FAKE_THREADS'}) {
 784     skip_symbols [qw(PL_curthr)];
 785 }
 786
 787 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 788     skip_symbols [qw(
 789                      PL_OpPtr
 790                      PL_OpSlab
 791                      PL_OpSpace
 792                      Perl_Slab_Alloc
 793                      Perl_Slab_Free
 794                     )];
 795 }
 796
 797 unless ($define{'THREADS_HAVE_PIDS'}) {
 798     skip_symbols [qw(PL_ppid)];
 799 }
 800
 801 unless ($define{'PERL_NEED_APPCTX'}) {
 802     skip_symbols [qw(
 803                     PL_appctx
 804                     )];
 805 }
 806
 807 unless ($define{'PERL_NEED_TIMESBASE'}) {
 808     skip_symbols [qw(
 809                     PL_timesbase
 810                     )];
 811 }
 812
 813 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 814     skip_symbols [qw(
 815                     PL_dumper_fd
 816                     )];
 817 }
 818 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 819     skip_symbols [qw(
 820                      Perl_gv_SVadd
 821                     )];
 822 }
 823 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 824     skip_symbols [qw(
 825                      Perl_my_sprintf
 826                     )];
 827 }
 828 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 829     skip_symbols [qw(
 830                      Perl_pidgone
 831                      PL_pidstatus
 832                     )];
 833 }
 834
 835 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 836     skip_symbols [qw(
 837                      PL_memory_debug_header
 838                     )];
 839 }
 840
 841 if ($define{'PERL_MAD'}) {
 842     skip_symbols [qw(
 843                      PL_nextval
 844                      PL_nexttype
 845                      )];
 846 } else {
 847     skip_symbols [qw(
 848                     PL_madskills
 849                     PL_xmlfp
 850                     PL_lasttoke
 851                     PL_realtokenstart
 852                     PL_faketokens
 853                     PL_thismad
 854                     PL_thistoken
 855                     PL_thisopen
 856                     PL_thisstuff
 857                     PL_thisclose
 858                     PL_thiswhite
 859                     PL_nextwhite
 860                     PL_skipwhite
 861                     PL_endwhite
 862                     PL_curforce
 863                     Perl_pad_peg
 864                     Perl_xmldump_indent
 865                     Perl_xmldump_vindent
 866                     Perl_xmldump_all
 867                     Perl_xmldump_packsubs
 868                     Perl_xmldump_sub
 869                     Perl_xmldump_form
 870                     Perl_xmldump_eval
 871                     Perl_sv_catxmlsv
 872                     Perl_sv_catxmlpvn
 873                     Perl_sv_xmlpeek
 874                     Perl_do_pmop_xmldump
 875                     Perl_pmop_xmldump
 876                     Perl_do_op_xmldump
 877                     Perl_op_xmldump
 878                     )];
 879 }
 880
 881 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 882     skip_symbols [qw(
 883                     PL_my_cxt_keys
 884                     Perl_my_cxt_index
 885                     )];
 886 }
 887
 888 unless ($define{'d_mmap'}) {
 889     skip_symbols [qw(
 890                     PL_mmap_page_size
 891                     )];
 892 }
 893
 894 if ($define{'d_sigaction'}) {
 895     skip_symbols [qw(
 896                     PL_sig_trapped
 897                     )];
 898 }
 899
 900 if ($^O ne 'vms') {
 901     # VMS does its own thing for these symbols.
 902     skip_symbols [qw(PL_sig_handlers_initted
 903                      PL_sig_ignoring
 904                      PL_sig_defaulting)];
 905 }
 906
 907 sub readvar {
 908     my $file = shift;
 909     my $proc = shift || sub { "PL_$_[2]" };
 910     open(VARS,$file) || die "Cannot open $file: $!\n";
 911     my @syms;
 912     while (<VARS>) {
 913         # All symbols have a Perl_ prefix because that's what embed.h
 914         # sticks in front of them.  The A?I?S?C? is strictly speaking
 915         # wrong.
 916         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 917     }
 918     close(VARS);
 919     return \@syms;
 920 }
 921
 922 if ($define{'PERL_GLOBAL_STRUCT'}) {
 923     my $global = readvar($perlvars_h);
 924     skip_symbols $global;
 925     emit_symbol('Perl_GetVars');
 926     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 927 } else {
 928     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 929 }
 930
 931 # functions from *.sym files
 932
 933 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 934
 935 # Symbols that are the public face of the PerlIO layers implementation
 936 # These are in _addition to_ the public face of the abstraction
 937 # and need to be exported to allow XS modules to implement layers
 938 my @layer_syms = qw(
 939                     PerlIOBase_binmode
 940                     PerlIOBase_clearerr
 941                     PerlIOBase_close
 942                     PerlIOBase_dup
 943                     PerlIOBase_eof
 944                     PerlIOBase_error
 945                     PerlIOBase_fileno
 946                     PerlIOBase_noop_fail
 947                     PerlIOBase_noop_ok
 948                     PerlIOBase_popped
 949                     PerlIOBase_pushed
 950                     PerlIOBase_read
 951                     PerlIOBase_setlinebuf
 952                     PerlIOBase_unread
 953                     PerlIOBuf_bufsiz
 954                     PerlIOBuf_close
 955                     PerlIOBuf_dup
 956                     PerlIOBuf_fill
 957                     PerlIOBuf_flush
 958                     PerlIOBuf_get_base
 959                     PerlIOBuf_get_cnt
 960                     PerlIOBuf_get_ptr
 961                     PerlIOBuf_open
 962                     PerlIOBuf_popped
 963                     PerlIOBuf_pushed
 964                     PerlIOBuf_read
 965                     PerlIOBuf_seek
 966                     PerlIOBuf_set_ptrcnt
 967                     PerlIOBuf_tell
 968                     PerlIOBuf_unread
 969                     PerlIOBuf_write
 970                     PerlIO_allocate
 971                     PerlIO_apply_layera
 972                     PerlIO_apply_layers
 973                     PerlIO_arg_fetch
 974                     PerlIO_debug
 975                     PerlIO_define_layer
 976                     PerlIO_isutf8
 977                     PerlIO_layer_fetch
 978                     PerlIO_list_free
 979                     PerlIO_modestr
 980                     PerlIO_parse_layers
 981                     PerlIO_pending
 982                     PerlIO_perlio
 983                     PerlIO_pop
 984                     PerlIO_push
 985                     PerlIO_sv_dup
 986                     Perl_PerlIO_clearerr
 987                     Perl_PerlIO_close
 988                     Perl_PerlIO_context_layers
 989                     Perl_PerlIO_eof
 990                     Perl_PerlIO_error
 991                     Perl_PerlIO_fileno
 992                     Perl_PerlIO_fill
 993                     Perl_PerlIO_flush
 994                     Perl_PerlIO_get_base
 995                     Perl_PerlIO_get_bufsiz
 996                     Perl_PerlIO_get_cnt
 997                     Perl_PerlIO_get_ptr
 998                     Perl_PerlIO_read
 999                     Perl_PerlIO_seek
1000                     Perl_PerlIO_set_cnt
1001                     Perl_PerlIO_set_ptrcnt
1002                     Perl_PerlIO_setlinebuf
1003                     Perl_PerlIO_stderr
1004                     Perl_PerlIO_stdin
1005                     Perl_PerlIO_stdout
1006                     Perl_PerlIO_tell
1007                     Perl_PerlIO_unread
1008                     Perl_PerlIO_write
1009 );
1010 if ($PLATFORM eq 'netware') {
1011     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
1012 }
1013
1014 if ($define{'USE_PERLIO'}) {
1015     # Export the symols that make up the PerlIO abstraction, regardless
1016     # of its implementation - read from a file
1017     push @syms, $perlio_sym;
1018
1019     # This part is then dependent on how the abstraction is implemented
1020     if ($define{'USE_SFIO'}) {
1021         # Old legacy non-stdio "PerlIO"
1022         skip_symbols \@layer_syms;
1023         skip_symbols [qw(perlsio_binmode)];
1024         # SFIO defines most of the PerlIO routines as macros
1025         # So undo most of what $perlio_sym has just done - d'oh !
1026         # Perhaps it would be better to list the ones which do exist
1027         # And emit them
1028         skip_symbols [qw(
1029                          PerlIO_canset_cnt
1030                          PerlIO_clearerr
1031                          PerlIO_close
1032                          PerlIO_eof
1033                          PerlIO_error
1034                          PerlIO_exportFILE
1035                          PerlIO_fast_gets
1036                          PerlIO_fdopen
1037                          PerlIO_fileno
1038                          PerlIO_findFILE
1039                          PerlIO_flush
1040                          PerlIO_get_base
1041                          PerlIO_get_bufsiz
1042                          PerlIO_get_cnt
1043                          PerlIO_get_ptr
1044                          PerlIO_getc
1045                          PerlIO_getname
1046                          PerlIO_has_base
1047                          PerlIO_has_cntptr
1048                          PerlIO_importFILE
1049                          PerlIO_open
1050                          PerlIO_printf
1051                          PerlIO_putc
1052                          PerlIO_puts
1053                          PerlIO_read
1054                          PerlIO_releaseFILE
1055                          PerlIO_reopen
1056                          PerlIO_rewind
1057                          PerlIO_seek
1058                          PerlIO_set_cnt
1059                          PerlIO_set_ptrcnt
1060                          PerlIO_setlinebuf
1061                          PerlIO_sprintf
1062                          PerlIO_stderr
1063                          PerlIO_stdin
1064                          PerlIO_stdout
1065                          PerlIO_stdoutf
1066                          PerlIO_tell
1067                          PerlIO_ungetc
1068                          PerlIO_vprintf
1069                          PerlIO_write
1070                          PerlIO_perlio
1071                          Perl_PerlIO_clearerr
1072                          Perl_PerlIO_close
1073                          Perl_PerlIO_eof
1074                          Perl_PerlIO_error
1075                          Perl_PerlIO_fileno
1076                          Perl_PerlIO_fill
1077                          Perl_PerlIO_flush
1078                          Perl_PerlIO_get_base
1079                          Perl_PerlIO_get_bufsiz
1080                          Perl_PerlIO_get_cnt
1081                          Perl_PerlIO_get_ptr
1082                          Perl_PerlIO_read
1083                          Perl_PerlIO_seek
1084                          Perl_PerlIO_set_cnt
1085                          Perl_PerlIO_set_ptrcnt
1086                          Perl_PerlIO_setlinebuf
1087                          Perl_PerlIO_stderr
1088                          Perl_PerlIO_stdin
1089                          Perl_PerlIO_stdout
1090                          Perl_PerlIO_tell
1091                          Perl_PerlIO_unread
1092                          Perl_PerlIO_write
1093                          PL_def_layerlist
1094                          PL_known_layers
1095                          PL_perlio
1096                          )];
1097     }
1098     else {
1099         # PerlIO with layers - export implementation
1100         emit_symbols \@layer_syms;
1101         emit_symbols [qw(perlsio_binmode)];
1102     }
1103     if ($define{'USE_ITHREADS'}) {
1104         emit_symbols [qw(
1105                         PL_perlio_mutex
1106                         )];
1107     }
1108     else {
1109         skip_symbols [qw(
1110                         PL_perlio_mutex
1111                         )];
1112     }
1113 } else {
1114         # -Uuseperlio
1115         # Skip the PerlIO layer symbols - although
1116         # nothing should have exported them anyway.
1117         skip_symbols \@layer_syms;
1118         skip_symbols [qw(
1119                         perlsio_binmode
1120                         PL_def_layerlist
1121                         PL_known_layers
1122                         PL_perlio
1123                         PL_perlio_debug_fd
1124                         PL_perlio_fd_refcnt
1125                         PL_perlio_fd_refcnt_size
1126                         )];
1127
1128         # Also do NOT add abstraction symbols from $perlio_sym
1129         # abstraction is done as #define to stdio
1130         # Remaining remnants that _may_ be functions
1131         # are handled in <DATA>
1132 }
1133
1134 for my $syms (@syms) {
1135     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1136     while (<GLOBAL>) {
1137         next if (!/^[A-Za-z]/);
1138         # Functions have a Perl_ prefix
1139         # Variables have a PL_ prefix
1140         chomp($_);
1141         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1142         $symbol .= $_;
1143         emit_symbol($symbol) unless exists $skip{$symbol};
1144     }
1145     close(GLOBAL);
1146 }
1147
1148 # variables
1149
1150 if ($define{'MULTIPLICITY'}) {
1151     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1152         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1153         emit_symbols $glob;
1154     }
1155     # XXX AIX seems to want the perlvars.h symbols, for some reason
1156     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1157         my $glob = readvar($perlvars_h);
1158         emit_symbols $glob;
1159     }
1160 }
1161 else {
1162     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1163         my $glob = readvar($perlvars_h);
1164         emit_symbols $glob;
1165     }
1166     unless ($define{'MULTIPLICITY'}) {
1167         my $glob = readvar($intrpvar_h);
1168         emit_symbols $glob;
1169     }
1170     unless ($define{'MULTIPLICITY'}) {
1171         my $glob = readvar($thrdvar_h);
1172         emit_symbols $glob;
1173     }
1174 }
1175
1176 sub try_symbol {
1177     my $symbol = shift;
1178
1179     return if $symbol !~ /^[A-Za-z_]/;
1180     return if $symbol =~ /^\#/;
1181     $symbol =~s/\r//g;
1182     chomp($symbol);
1183     return if exists $skip{$symbol};
1184     emit_symbol($symbol);
1185 }
1186
1187 while (<DATA>) {
1188     try_symbol($_);
1189 }
1190
1191 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1192     foreach my $symbol (qw(
1193                             setuid
1194                             setgid
1195                             boot_DynaLoader
1196                             Perl_init_os_extras
1197                             Perl_thread_create
1198                             Perl_win32_init
1199                             Perl_win32_term
1200                             RunPerl
1201                             win32_async_check
1202                             win32_errno
1203                             win32_environ
1204                             win32_abort
1205                             win32_fstat
1206                             win32_stat
1207                             win32_pipe
1208                             win32_popen
1209                             win32_pclose
1210                             win32_rename
1211                             win32_setmode
1212                             win32_chsize
1213                             win32_lseek
1214                             win32_tell
1215                             win32_dup
1216                             win32_dup2
1217                             win32_open
1218                             win32_close
1219                             win32_eof
1220                             win32_read
1221                             win32_write
1222                             win32_spawnvp
1223                             win32_mkdir
1224                             win32_rmdir
1225                             win32_chdir
1226                             win32_flock
1227                             win32_execv
1228                             win32_execvp
1229                             win32_htons
1230                             win32_ntohs
1231                             win32_htonl
1232                             win32_ntohl
1233                             win32_inet_addr
1234                             win32_inet_ntoa
1235                             win32_socket
1236                             win32_bind
1237                             win32_listen
1238                             win32_accept
1239                             win32_connect
1240                             win32_send
1241                             win32_sendto
1242                             win32_recv
1243                             win32_recvfrom
1244                             win32_shutdown
1245                             win32_closesocket
1246                             win32_ioctlsocket
1247                             win32_setsockopt
1248                             win32_getsockopt
1249                             win32_getpeername
1250                             win32_getsockname
1251                             win32_gethostname
1252                             win32_gethostbyname
1253                             win32_gethostbyaddr
1254                             win32_getprotobyname
1255                             win32_getprotobynumber
1256                             win32_getservbyname
1257                             win32_getservbyport
1258                             win32_select
1259                             win32_endhostent
1260                             win32_endnetent
1261                             win32_endprotoent
1262                             win32_endservent
1263                             win32_getnetent
1264                             win32_getnetbyname
1265                             win32_getnetbyaddr
1266                             win32_getprotoent
1267                             win32_getservent
1268                             win32_sethostent
1269                             win32_setnetent
1270                             win32_setprotoent
1271                             win32_setservent
1272                             win32_getenv
1273                             win32_putenv
1274                             win32_perror
1275                             win32_malloc
1276                             win32_calloc
1277                             win32_realloc
1278                             win32_free
1279                             win32_sleep
1280                             win32_times
1281                             win32_access
1282                             win32_alarm
1283                             win32_chmod
1284                             win32_open_osfhandle
1285                             win32_get_osfhandle
1286                             win32_ioctl
1287                             win32_link
1288                             win32_unlink
1289                             win32_utime
1290                             win32_gettimeofday
1291                             win32_uname
1292                             win32_wait
1293                             win32_waitpid
1294                             win32_kill
1295                             win32_str_os_error
1296                             win32_opendir
1297                             win32_readdir
1298                             win32_telldir
1299                             win32_seekdir
1300                             win32_rewinddir
1301                             win32_closedir
1302                             win32_longpath
1303                             win32_ansipath
1304                             win32_os_id
1305                             win32_getpid
1306                             win32_crypt
1307                             win32_dynaload
1308                             win32_get_childenv
1309                             win32_free_childenv
1310                             win32_clearenv
1311                             win32_get_childdir
1312                             win32_free_childdir
1313                             win32_stdin
1314                             win32_stdout
1315                             win32_stderr
1316                             win32_ferror
1317                             win32_feof
1318                             win32_strerror
1319                             win32_fprintf
1320                             win32_printf
1321                             win32_vfprintf
1322                             win32_vprintf
1323                             win32_fread
1324                             win32_fwrite
1325                             win32_fopen
1326                             win32_fdopen
1327                             win32_freopen
1328                             win32_fclose
1329                             win32_fputs
1330                             win32_fputc
1331                             win32_ungetc
1332                             win32_getc
1333                             win32_fileno
1334                             win32_clearerr
1335                             win32_fflush
1336                             win32_ftell
1337                             win32_fseek
1338                             win32_fgetpos
1339                             win32_fsetpos
1340                             win32_rewind
1341                             win32_tmpfile
1342                             win32_setbuf
1343                             win32_setvbuf
1344                             win32_flushall
1345                             win32_fcloseall
1346                             win32_fgets
1347                             win32_gets
1348                             win32_fgetc
1349                             win32_putc
1350                             win32_puts
1351                             win32_getchar
1352                             win32_putchar
1353                            ))
1354     {
1355         try_symbol($symbol);
1356     }
1357     if ($CCTYPE eq "BORLAND") {
1358         try_symbol('_matherr');
1359     }
1360 }
1361 elsif ($PLATFORM eq 'os2') {
1362     my (%mapped, @missing);
1363     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1364     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1365     close MAP or die 'Cannot close miniperl.map';
1366
1367     @missing = grep { !exists $mapped{$_} }
1368                     keys %export;
1369     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1370     delete $export{$_} foreach @missing;
1371 }
1372 elsif ($PLATFORM eq 'MacOS') {
1373     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1374
1375     while (<MACSYMS>) {
1376         try_symbol($_);
1377     }
1378
1379     close MACSYMS;
1380 }
1381 elsif ($PLATFORM eq 'netware') {
1382 foreach my $symbol (qw(
1383                         boot_DynaLoader
1384                         Perl_init_os_extras
1385                         Perl_thread_create
1386                         Perl_nw5_init
1387                         RunPerl
1388                         AllocStdPerl
1389                         FreeStdPerl
1390                         do_spawn2
1391                         do_aspawn
1392                         nw_uname
1393                         nw_stdin
1394                         nw_stdout
1395                         nw_stderr
1396                         nw_feof
1397                         nw_ferror
1398                         nw_fopen
1399                         nw_fclose
1400                         nw_clearerr
1401                         nw_getc
1402                         nw_fgets
1403                         nw_fputc
1404                         nw_fputs
1405                         nw_fflush
1406                         nw_ungetc
1407                         nw_fileno
1408                         nw_fdopen
1409                         nw_freopen
1410                         nw_fread
1411                         nw_fwrite
1412                         nw_setbuf
1413                         nw_setvbuf
1414                         nw_vfprintf
1415                         nw_ftell
1416                         nw_fseek
1417                         nw_rewind
1418                         nw_tmpfile
1419                         nw_fgetpos
1420                         nw_fsetpos
1421                         nw_dup
1422                         nw_access
1423                         nw_chmod
1424                         nw_chsize
1425                         nw_close
1426                         nw_dup2
1427                         nw_flock
1428                         nw_isatty
1429                         nw_link
1430                         nw_lseek
1431                         nw_stat
1432                         nw_mktemp
1433                         nw_open
1434                         nw_read
1435                         nw_rename
1436                         nw_setmode
1437                         nw_unlink
1438                         nw_utime
1439                         nw_write
1440                         nw_chdir
1441                         nw_rmdir
1442                         nw_closedir
1443                         nw_opendir
1444                         nw_readdir
1445                         nw_rewinddir
1446                         nw_seekdir
1447                         nw_telldir
1448                         nw_htonl
1449                         nw_htons
1450                         nw_ntohl
1451                         nw_ntohs
1452                         nw_accept
1453                         nw_bind
1454                         nw_connect
1455                         nw_endhostent
1456                         nw_endnetent
1457                         nw_endprotoent
1458                         nw_endservent
1459                         nw_gethostbyaddr
1460                         nw_gethostbyname
1461                         nw_gethostent
1462                         nw_gethostname
1463                         nw_getnetbyaddr
1464                         nw_getnetbyname
1465                         nw_getnetent
1466                         nw_getpeername
1467                         nw_getprotobyname
1468                         nw_getprotobynumber
1469                         nw_getprotoent
1470                         nw_getservbyname
1471                         nw_getservbyport
1472                         nw_getservent
1473                         nw_getsockname
1474                         nw_getsockopt
1475                         nw_inet_addr
1476                         nw_listen
1477                         nw_socket
1478                         nw_recv
1479                         nw_recvfrom
1480                         nw_select
1481                         nw_send
1482                         nw_sendto
1483                         nw_sethostent
1484                         nw_setnetent
1485                         nw_setprotoent
1486                         nw_setservent
1487                         nw_setsockopt
1488                         nw_inet_ntoa
1489                         nw_shutdown
1490                         nw_crypt
1491                         nw_execvp
1492                         nw_kill
1493                         nw_Popen
1494                         nw_Pclose
1495                         nw_Pipe
1496                         nw_times
1497                         nw_waitpid
1498                         nw_getpid
1499                         nw_spawnvp
1500                         nw_os_id
1501                         nw_open_osfhandle
1502                         nw_get_osfhandle
1503                         nw_abort
1504                         nw_sleep
1505                         nw_wait
1506                         nw_dynaload
1507                         nw_strerror
1508                         fnFpSetMode
1509                         fnInsertHashListAddrs
1510                         fnGetHashListAddrs
1511                         Perl_deb
1512                         Perl_sv_setsv
1513                         Perl_sv_catsv
1514                         Perl_sv_catpvn
1515                         Perl_sv_2pv
1516                         nw_freeenviron
1517                         Remove_Thread_Ctx
1518                            ))
1519     {
1520         try_symbol($symbol);
1521     }
1522 }
1523
1524 # records of type boot_module for statically linked modules (except Dynaloader)
1525 $static_ext =~ s/\//__/g;
1526 $static_ext =~ s/\bDynaLoader\b//;
1527 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1528 foreach my $symbol (@stat_mods)
1529     {
1530         try_symbol($symbol);
1531     }
1532
1533 # Now all symbols should be defined because
1534 # next we are going to output them.
1535
1536 foreach my $symbol (sort keys %export) {
1537     output_symbol($symbol);
1538 }
1539
1540 if ($PLATFORM eq 'os2') {
1541         print <<EOP;
1542     dll_perlmain=main
1543     fill_extLibpath
1544     dir_subst
1545     Perl_OS2_handler_install
1546
1547 ; LAST_ORDINAL=$sym_ord
1548 EOP
1549 }
1550
1551 sub emit_symbol {
1552     my $symbol = shift;
1553     chomp($symbol);
1554     $export{$symbol} = 1;
1555 }
1556
1557 sub output_symbol {
1558     my $symbol = shift;
1559     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1560         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1561         print "\t$symbol\n";
1562 # XXX: binary compatibility between compilers is an exercise
1563 # in frustration :-(
1564 #        if ($CCTYPE eq "BORLAND") {
1565 #           # workaround Borland quirk by exporting both the straight
1566 #           # name and a name with leading underscore.  Note the
1567 #           # alias *must* come after the symbol itself, if both
1568 #           # are to be exported. (Linker bug?)
1569 #           print "\t_$symbol\n";
1570 #           print "\t$symbol = _$symbol\n";
1571 #       }
1572 #       elsif ($CCTYPE eq 'GCC') {
1573 #           # Symbols have leading _ whole process is $%@"% slow
1574 #           # so skip aliases for now
1575 #           nprint "\t$symbol\n";
1576 #       }
1577 #       else {
1578 #           # for binary coexistence, export both the symbol and
1579 #           # alias with leading underscore
1580 #           print "\t$symbol\n";
1581 #           print "\t_$symbol = $symbol\n";
1582 #       }
1583     }
1584     elsif ($PLATFORM eq 'os2') {
1585         printf qq(    %-31s \@%s\n),
1586           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1587         printf qq(    %-31s \@%s\n),
1588           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1589           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1590           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1591     }
1592     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1593         print "$symbol\n";
1594     }
1595         elsif ($PLATFORM eq 'netware') {
1596         print "\t$symbol,\n";
1597         }
1598 }
1599
1600 1;
1601 __DATA__
1602 # Oddities from PerlIO
1603 PerlIO_binmode
1604 PerlIO_getpos
1605 PerlIO_init
1606 PerlIO_setpos
1607 PerlIO_sprintf
1608 PerlIO_sv_dup
1609 PerlIO_tmpfile
1610 PerlIO_vsprintf