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, config.h
  10 # On OS/2 reads miniperl.map and the previous version of perl5.def as well
  11
  12 BEGIN { unshift @INC, "lib" }
  13 use strict;
  14
  15 use vars qw($PLATFORM $CCTYPE $FILETYPE $CONFIG_ARGS $ARCHNAME $PATCHLEVEL);
  16
  17 my (%define, %ordinal);
  18
  19 while (@ARGV) {
  20     my $flag = shift;
  21     if ($flag =~ s/^CC_FLAGS=/ /) {
  22         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  23             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  24             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  25         }
  26         next;
  27     }
  28     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  29     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  30     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  31     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  32     if ($PLATFORM eq 'netware') {
  33         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  34     }
  35 }
  36
  37 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  38 my %PLATFORM;
  39 @PLATFORM{@PLATFORM} = ();
  40
  41 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  42 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  43
  44 if ($PLATFORM eq 'win32' or $PLATFORM eq 'wince' or $PLATFORM eq "aix") {
  45         # Add the compile-time options that miniperl was built with to %define.
  46         # On Win32 these are not the same options as perl itself will be built
  47         # with since miniperl is built with a canned config (one of the win32/
  48         # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  49         # but they do include some #define's that are hard-coded in various
  50         # source files and header files and don't include any BUILDOPT's that
  51         # the user might have chosen to disable because the canned configs are
  52         # minimal configs that don't include any of those options.
  53         my $opts = ($PLATFORM eq 'wince' ? '-MCross' : ''); # for wince need Cross.pm to get Config.pm
  54         my $config = `$^X $opts -Ilib -V`;
  55         my($options) = $config =~ /^  Compile-time options: (.*?)\n^  \S/ms;
  56         $options =~ s/\s+/ /g;
  57         print STDERR "Options: ($options)\n";
  58         foreach (split /\s+/, $options) {
  59                 $define{$_} = 1;
  60         }
  61 }
  62
  63 my %exportperlmalloc =
  64     (
  65        Perl_malloc              =>      "malloc",
  66        Perl_mfree               =>      "free",
  67        Perl_realloc             =>      "realloc",
  68        Perl_calloc              =>      "calloc",
  69     );
  70
  71 my $exportperlmalloc = $PLATFORM eq 'os2';
  72
  73 my $config_sh   = "config.sh";
  74 my $config_h    = "config.h";
  75 my $intrpvar_h  = "intrpvar.h";
  76 my $perlvars_h  = "perlvars.h";
  77 my $global_sym  = "global.sym";
  78 my $pp_sym      = "pp.sym";
  79 my $globvar_sym = "globvar.sym";
  80 my $perlio_sym  = "perlio.sym";
  81 my $static_ext = "";
  82
  83 if ($PLATFORM eq 'aix') {
  84     # Nothing for now.
  85 }
  86 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  87     $CCTYPE = "MSVC" unless defined $CCTYPE;
  88     foreach ($intrpvar_h, $perlvars_h, $global_sym,
  89              $pp_sym, $globvar_sym, $perlio_sym) {
  90         s!^!..\\!;
  91     }
  92 }
  93 elsif ($PLATFORM eq 'MacOS') {
  94     foreach ($intrpvar_h, $perlvars_h, $global_sym,
  95              $pp_sym, $globvar_sym, $perlio_sym) {
  96         s!^!::!;
  97     }
  98 }
  99
 100 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
 101     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
 102     while (<CFG>) {
 103         if (/^(?:ccflags|optimize)='(.+)'$/) {
 104             $_ = $1;
 105             $define{$1} = 1 while /-D(\w+)/g;
 106         }
 107         if (/^(d_(?:mmap|sigaction))='(.+)'$/) {
 108             $define{$1} = $2;
 109         }
 110         if ($PLATFORM eq 'os2') {
 111             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 112             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 113             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 114         }
 115     }
 116     close(CFG);
 117 }
 118 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 119     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 120     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 121         $static_ext = $1;
 122     }
 123     close(CFG);
 124 }
 125
 126 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 127 while (<CFG>) {
 128     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 129     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 130     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 131     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 132 }
 133 close(CFG);
 134
 135 # perl.h logic duplication begins
 136
 137 if ($define{PERL_IMPLICIT_SYS}) {
 138     $define{PL_OP_SLAB_ALLOC} = 1;
 139 }
 140
 141 if ($define{USE_ITHREADS}) {
 142     if (!$define{MULTIPLICITY}) {
 143         $define{MULTIPLICITY} = 1;
 144     }
 145 }
 146
 147 $define{PERL_IMPLICIT_CONTEXT} ||=
 148     $define{USE_ITHREADS} ||
 149     $define{MULTIPLICITY} ;
 150
 151 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 152     $define{USE_REENTRANT_API} = 1;
 153 }
 154
 155 # perl.h logic duplication ends
 156
 157 my $sym_ord = 0;
 158
 159 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 160
 161 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 162     (my $dll = ($define{PERL_DLL} || "perl511")) =~ s/\.dll$//i;
 163     print "LIBRARY $dll\n";
 164     # The DESCRIPTION module definition file statement is not supported
 165     # by VC7 onwards.
 166     if ($CCTYPE !~ /^MSVC7/ && $CCTYPE !~ /^MSVC8/ && $CCTYPE !~ /^MSVC9/) {
 167         print "DESCRIPTION 'Perl interpreter'\n";
 168     }
 169     print "EXPORTS\n";
 170     if ($define{PERL_IMPLICIT_SYS}) {
 171         output_symbol("perl_get_host_info");
 172         output_symbol("perl_alloc_override");
 173     }
 174     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 175         output_symbol("perl_clone_host");
 176     }
 177 }
 178 elsif ($PLATFORM eq 'os2') {
 179     if (open my $fh, '<', 'perl5.def') {
 180       while (<$fh>) {
 181         last if /^\s*EXPORTS\b/;
 182       }
 183       while (<$fh>) {
 184         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 185         # This allows skipping ordinals which were used in older versions
 186         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 187       }
 188       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 189     }
 190     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 191     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 192     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 193     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 194     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 195     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 196     print <<"---EOP---";
 197 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 198 $d
 199 STACKSIZE 32768
 200 CODE LOADONCALL
 201 DATA LOADONCALL NONSHARED MULTIPLE
 202 EXPORTS
 203 ---EOP---
 204 }
 205 elsif ($PLATFORM eq 'aix') {
 206     my $OSVER = `uname -v`;
 207     chop $OSVER;
 208     my $OSREL = `uname -r`;
 209     chop $OSREL;
 210     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 211         print "#! ..\n";
 212     } else {
 213         print "#!\n";
 214     }
 215 }
 216 elsif ($PLATFORM eq 'netware') {
 217         if ($FILETYPE eq 'def') {
 218         print "LIBRARY perl511\n";
 219         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 220         print "EXPORTS\n";
 221         }
 222         if ($define{PERL_IMPLICIT_SYS}) {
 223             output_symbol("perl_get_host_info");
 224             output_symbol("perl_alloc_override");
 225             output_symbol("perl_clone_host");
 226         }
 227 }
 228
 229 my %skip;
 230 my %export;
 231
 232 sub skip_symbols {
 233     my $list = shift;
 234     foreach my $symbol (@$list) {
 235         $skip{$symbol} = 1;
 236     }
 237 }
 238
 239 sub emit_symbols {
 240     my $list = shift;
 241     foreach my $symbol (@$list) {
 242         my $skipsym = $symbol;
 243         # XXX hack
 244         if ($define{MULTIPLICITY}) {
 245             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 246         }
 247         emit_symbol($symbol) unless exists $skip{$skipsym};
 248     }
 249 }
 250
 251 if ($PLATFORM eq 'win32') {
 252     skip_symbols [qw(
 253                      PL_statusvalue_vms
 254                      PL_archpat_auto
 255                      PL_cryptseen
 256                      PL_DBcv
 257                      PL_generation
 258                      PL_lastgotoprobe
 259                      PL_linestart
 260                      PL_modcount
 261                      PL_pending_ident
 262                      PL_sublex_info
 263                      PL_timesbuf
 264                      main
 265                      Perl_ErrorNo
 266                      Perl_GetVars
 267                      Perl_do_exec3
 268                      Perl_do_ipcctl
 269                      Perl_do_ipcget
 270                      Perl_do_msgrcv
 271                      Perl_do_msgsnd
 272                      Perl_do_semop
 273                      Perl_do_shmio
 274                      Perl_dump_fds
 275                      Perl_init_thread_intern
 276                      Perl_my_bzero
 277                      Perl_my_bcopy
 278                      Perl_my_htonl
 279                      Perl_my_ntohl
 280                      Perl_my_swap
 281                      Perl_my_chsize
 282                      Perl_same_dirent
 283                      Perl_setenv_getix
 284                      Perl_unlnk
 285                      Perl_watch
 286                      Perl_safexcalloc
 287                      Perl_safexmalloc
 288                      Perl_safexfree
 289                      Perl_safexrealloc
 290                      Perl_my_memcmp
 291                      Perl_my_memset
 292                      PL_cshlen
 293                      PL_cshname
 294                      PL_opsave
 295                      Perl_do_exec
 296                      Perl_getenv_len
 297                      Perl_my_pclose
 298                      Perl_my_popen
 299                      Perl_my_sprintf
 300                      )];
 301 }
 302 else {
 303     skip_symbols [qw(
 304                      Perl_do_spawn
 305                      Perl_do_spawn_nowait
 306                      Perl_do_aspawn
 307                      )];
 308 }
 309 if ($PLATFORM eq 'wince') {
 310     skip_symbols [qw(
 311                      PL_statusvalue_vms
 312                      PL_archpat_auto
 313                      PL_cryptseen
 314                      PL_DBcv
 315                      PL_generation
 316                      PL_lastgotoprobe
 317                      PL_linestart
 318                      PL_modcount
 319                      PL_pending_ident
 320                      PL_sublex_info
 321                      PL_timesbuf
 322                      PL_collation_ix
 323                      PL_collation_name
 324                      PL_collation_standard
 325                      PL_collxfrm_base
 326                      PL_collxfrm_mult
 327                      PL_numeric_compat1
 328                      PL_numeric_local
 329                      PL_numeric_name
 330                      PL_numeric_radix_sv
 331                      PL_numeric_standard
 332                      PL_vtbl_collxfrm
 333                      Perl_sv_collxfrm
 334                      setgid
 335                      setuid
 336                      win32_free_childdir
 337                      win32_free_childenv
 338                      win32_get_childdir
 339                      win32_get_childenv
 340                      win32_spawnvp
 341                      main
 342                      Perl_ErrorNo
 343                      Perl_GetVars
 344                      Perl_do_exec3
 345                      Perl_do_ipcctl
 346                      Perl_do_ipcget
 347                      Perl_do_msgrcv
 348                      Perl_do_msgsnd
 349                      Perl_do_semop
 350                      Perl_do_shmio
 351                      Perl_dump_fds
 352                      Perl_init_thread_intern
 353                      Perl_my_bzero
 354                      Perl_my_bcopy
 355                      Perl_my_htonl
 356                      Perl_my_ntohl
 357                      Perl_my_swap
 358                      Perl_my_chsize
 359                      Perl_same_dirent
 360                      Perl_setenv_getix
 361                      Perl_unlnk
 362                      Perl_watch
 363                      Perl_safexcalloc
 364                      Perl_safexmalloc
 365                      Perl_safexfree
 366                      Perl_safexrealloc
 367                      Perl_my_memcmp
 368                      Perl_my_memset
 369                      PL_cshlen
 370                      PL_cshname
 371                      PL_opsave
 372                      Perl_do_exec
 373                      Perl_getenv_len
 374                      Perl_my_pclose
 375                      Perl_my_popen
 376                      Perl_my_sprintf
 377                      )];
 378 }
 379 elsif ($PLATFORM eq 'aix') {
 380     skip_symbols([qw(
 381                      Perl_dump_fds
 382                      Perl_ErrorNo
 383                      Perl_GetVars
 384                      Perl_my_bcopy
 385                      Perl_my_bzero
 386                      Perl_my_chsize
 387                      Perl_my_htonl
 388                      Perl_my_memcmp
 389                      Perl_my_memset
 390                      Perl_my_ntohl
 391                      Perl_my_swap
 392                      Perl_safexcalloc
 393                      Perl_safexfree
 394                      Perl_safexmalloc
 395                      Perl_safexrealloc
 396                      Perl_same_dirent
 397                      Perl_unlnk
 398                      Perl_sys_intern_clear
 399                      Perl_sys_intern_dup
 400                      Perl_sys_intern_init
 401                      Perl_my_sprintf
 402                      PL_cryptseen
 403                      PL_opsave
 404                      PL_statusvalue_vms
 405                      PL_sys_intern
 406                      )]);
 407 }
 408 elsif ($PLATFORM eq 'os2') {
 409     emit_symbols([qw(
 410                     ctermid
 411                     get_sysinfo
 412                     Perl_OS2_init
 413                     Perl_OS2_init3
 414                     Perl_OS2_term
 415                     OS2_Perl_data
 416                     dlopen
 417                     dlsym
 418                     dlerror
 419                     dlclose
 420                     dup2
 421                     dup
 422                     my_tmpfile
 423                     my_tmpnam
 424                     my_flock
 425                     my_rmdir
 426                     my_mkdir
 427                     my_getpwuid
 428                     my_getpwnam
 429                     my_getpwent
 430                     my_setpwent
 431                     my_endpwent
 432                     fork_with_resources
 433                     croak_with_os2error
 434                     setgrent
 435                     endgrent
 436                     getgrent
 437                     malloc_mutex
 438                     threads_mutex
 439                     nthreads
 440                     nthreads_cond
 441                     os2_cond_wait
 442                     os2_stat
 443                     os2_execname
 444                     async_mssleep
 445                     msCounter
 446                     InfoTable
 447                     pthread_join
 448                     pthread_create
 449                     pthread_detach
 450                     XS_Cwd_change_drive
 451                     XS_Cwd_current_drive
 452                     XS_Cwd_extLibpath
 453                     XS_Cwd_extLibpath_set
 454                     XS_Cwd_sys_abspath
 455                     XS_Cwd_sys_chdir
 456                     XS_Cwd_sys_cwd
 457                     XS_Cwd_sys_is_absolute
 458                     XS_Cwd_sys_is_relative
 459                     XS_Cwd_sys_is_rooted
 460                     XS_DynaLoader_mod2fname
 461                     XS_File__Copy_syscopy
 462                     Perl_Register_MQ
 463                     Perl_Deregister_MQ
 464                     Perl_Serve_Messages
 465                     Perl_Process_Messages
 466                     init_PMWIN_entries
 467                     PMWIN_entries
 468                     Perl_hab_GET
 469                     loadByOrdinal
 470                     pExtFCN
 471                     os2error
 472                     ResetWinError
 473                     CroakWinError
 474                     PL_do_undump
 475                     )]);
 476     emit_symbols([qw(os2_cond_wait
 477                      pthread_join
 478                      pthread_create
 479                      pthread_detach
 480                     )])
 481       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 482 }
 483 elsif ($PLATFORM eq 'MacOS') {
 484     skip_symbols [qw(
 485                     Perl_GetVars
 486                     PL_cryptseen
 487                     PL_cshlen
 488                     PL_cshname
 489                     PL_statusvalue_vms
 490                     PL_sys_intern
 491                     PL_opsave
 492                     PL_timesbuf
 493                     Perl_dump_fds
 494                     Perl_my_bcopy
 495                     Perl_my_bzero
 496                     Perl_my_chsize
 497                     Perl_my_htonl
 498                     Perl_my_memcmp
 499                     Perl_my_memset
 500                     Perl_my_ntohl
 501                     Perl_my_swap
 502                     Perl_safexcalloc
 503                     Perl_safexfree
 504                     Perl_safexmalloc
 505                     Perl_safexrealloc
 506                     Perl_unlnk
 507                     Perl_sys_intern_clear
 508                     Perl_sys_intern_init
 509                     )];
 510 }
 511 elsif ($PLATFORM eq 'netware') {
 512         skip_symbols [qw(
 513                         PL_statusvalue_vms
 514                         PL_archpat_auto
 515                         PL_cryptseen
 516                         PL_DBcv
 517                         PL_generation
 518                         PL_lastgotoprobe
 519                         PL_linestart
 520                         PL_modcount
 521                         PL_pending_ident
 522                         PL_sublex_info
 523                         PL_timesbuf
 524                         main
 525                         Perl_ErrorNo
 526                         Perl_GetVars
 527                         Perl_do_exec3
 528                         Perl_do_ipcctl
 529                         Perl_do_ipcget
 530                         Perl_do_msgrcv
 531                         Perl_do_msgsnd
 532                         Perl_do_semop
 533                         Perl_do_shmio
 534                         Perl_dump_fds
 535                         Perl_init_thread_intern
 536                         Perl_my_bzero
 537                         Perl_my_htonl
 538                         Perl_my_ntohl
 539                         Perl_my_swap
 540                         Perl_my_chsize
 541                         Perl_same_dirent
 542                         Perl_setenv_getix
 543                         Perl_unlnk
 544                         Perl_watch
 545                         Perl_safexcalloc
 546                         Perl_safexmalloc
 547                         Perl_safexfree
 548                         Perl_safexrealloc
 549                         Perl_my_memcmp
 550                         Perl_my_memset
 551                         PL_cshlen
 552                         PL_cshname
 553                         PL_opsave
 554                         Perl_do_exec
 555                         Perl_getenv_len
 556                         Perl_my_pclose
 557                         Perl_my_popen
 558                         Perl_sys_intern_init
 559                         Perl_sys_intern_dup
 560                         Perl_sys_intern_clear
 561                         Perl_my_bcopy
 562                         Perl_PerlIO_write
 563                         Perl_PerlIO_unread
 564                         Perl_PerlIO_tell
 565                         Perl_PerlIO_stdout
 566                         Perl_PerlIO_stdin
 567                         Perl_PerlIO_stderr
 568                         Perl_PerlIO_setlinebuf
 569                         Perl_PerlIO_set_ptrcnt
 570                         Perl_PerlIO_set_cnt
 571                         Perl_PerlIO_seek
 572                         Perl_PerlIO_read
 573                         Perl_PerlIO_get_ptr
 574                         Perl_PerlIO_get_cnt
 575                         Perl_PerlIO_get_bufsiz
 576                         Perl_PerlIO_get_base
 577                         Perl_PerlIO_flush
 578                         Perl_PerlIO_fill
 579                         Perl_PerlIO_fileno
 580                         Perl_PerlIO_error
 581                         Perl_PerlIO_eof
 582                         Perl_PerlIO_close
 583                         Perl_PerlIO_clearerr
 584                         PerlIO_perlio
 585                         )];
 586 }
 587
 588 unless ($define{'DEBUGGING'}) {
 589     skip_symbols [qw(
 590                     Perl_deb_growlevel
 591                     Perl_debop
 592                     Perl_debprofdump
 593                     Perl_debstack
 594                     Perl_debstackptrs
 595                     Perl_pad_sv
 596                     Perl_sv_peek
 597                     Perl_hv_assert
 598                     PL_block_type
 599                     PL_watchaddr
 600                     PL_watchok
 601                     PL_watch_pvx
 602                     )];
 603 }
 604
 605 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 606     skip_symbols [qw(
 607                     PL_sig_sv
 608                     )];
 609 }
 610
 611 if ($define{'PERL_IMPLICIT_SYS'}) {
 612     skip_symbols [qw(
 613                     Perl_getenv_len
 614                     Perl_my_popen
 615                     Perl_my_pclose
 616                     )];
 617 }
 618 else {
 619     skip_symbols [qw(
 620                     PL_Mem
 621                     PL_MemShared
 622                     PL_MemParse
 623                     PL_Env
 624                     PL_StdIO
 625                     PL_LIO
 626                     PL_Dir
 627                     PL_Sock
 628                     PL_Proc
 629                     )];
 630 }
 631
 632 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 633     skip_symbols [qw(
 634                     Perl_sv_setsv_cow
 635                   )];
 636 }
 637
 638 unless ($define{'USE_REENTRANT_API'}) {
 639     skip_symbols [qw(
 640                     PL_reentrant_buffer
 641                     )];
 642 }
 643
 644 if ($define{'MYMALLOC'}) {
 645     emit_symbols [qw(
 646                     Perl_dump_mstats
 647                     Perl_get_mstats
 648                     Perl_strdup
 649                     Perl_putenv
 650                     MallocCfg_ptr
 651                     MallocCfgP_ptr
 652                     )];
 653     if ($define{'USE_ITHREADS'}) {
 654         emit_symbols [qw(
 655                         PL_malloc_mutex
 656                         )];
 657     }
 658     else {
 659         skip_symbols [qw(
 660                         PL_malloc_mutex
 661                         )];
 662     }
 663 }
 664 else {
 665     skip_symbols [qw(
 666                     PL_malloc_mutex
 667                     Perl_dump_mstats
 668                     Perl_get_mstats
 669                     Perl_malloced_size
 670                     MallocCfg_ptr
 671                     MallocCfgP_ptr
 672                     )];
 673 }
 674
 675 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 676     skip_symbols [qw(
 677                    PL_use_safe_putenv
 678                   )];
 679 }
 680
 681 unless ($define{'USE_ITHREADS'}) {
 682     skip_symbols [qw(
 683                     PL_thr_key
 684                     )];
 685 }
 686
 687 # USE_5005THREADS symbols. Kept as reference for easier removal
 688     skip_symbols [qw(
 689                     PL_sv_mutex
 690                     PL_strtab_mutex
 691                     PL_svref_mutex
 692                     PL_cred_mutex
 693                     PL_eval_mutex
 694                     PL_fdpid_mutex
 695                     PL_sv_lock_mutex
 696                     PL_eval_cond
 697                     PL_eval_owner
 698                     PL_threads_mutex
 699                     PL_nthreads
 700                     PL_nthreads_cond
 701                     PL_threadnum
 702                     PL_threadsv_names
 703                     PL_thrsv
 704                     PL_vtbl_mutex
 705                     Perl_condpair_magic
 706                     Perl_new_struct_thread
 707                     Perl_per_thread_magicals
 708                     Perl_thread_create
 709                     Perl_find_threadsv
 710                     Perl_unlock_condpair
 711                     Perl_magic_mutexfree
 712                     Perl_sv_lock
 713                     )];
 714
 715 unless ($define{'USE_ITHREADS'}) {
 716     skip_symbols [qw(
 717                     PL_op_mutex
 718                     PL_regex_pad
 719                     PL_regex_padav
 720                     PL_sharedsv_space
 721                     PL_sharedsv_space_mutex
 722                     PL_dollarzero_mutex
 723                     PL_hints_mutex
 724                     PL_perlio_mutex
 725                     PL_regdupe
 726                     Perl_parser_dup
 727                     Perl_dirp_dup
 728                     Perl_cx_dup
 729                     Perl_si_dup
 730                     Perl_any_dup
 731                     Perl_ss_dup
 732                     Perl_fp_dup
 733                     Perl_gp_dup
 734                     Perl_he_dup
 735                     Perl_mg_dup
 736                     Perl_mro_meta_dup
 737                     Perl_re_dup_guts
 738                     Perl_sv_dup
 739                     Perl_rvpv_dup
 740                     Perl_hek_dup
 741                     Perl_sys_intern_dup
 742                     perl_clone
 743                     perl_clone_using
 744                     Perl_sharedsv_find
 745                     Perl_sharedsv_init
 746                     Perl_sharedsv_lock
 747                     Perl_sharedsv_new
 748                     Perl_sharedsv_thrcnt_dec
 749                     Perl_sharedsv_thrcnt_inc
 750                     Perl_sharedsv_unlock
 751                     Perl_stashpv_hvname_match
 752                     Perl_regdupe_internal
 753                     Perl_newPADOP
 754                     )];
 755 }
 756
 757 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 758     skip_symbols [qw(
 759                     PL_my_ctx_mutex
 760                     PL_my_cxt_index
 761                     PL_my_cxt_list
 762                     PL_my_cxt_size
 763                     PL_my_cxt_keys
 764                     Perl_croak_nocontext
 765                     Perl_die_nocontext
 766                     Perl_deb_nocontext
 767                     Perl_form_nocontext
 768                     Perl_load_module_nocontext
 769                     Perl_mess_nocontext
 770                     Perl_warn_nocontext
 771                     Perl_warner_nocontext
 772                     Perl_newSVpvf_nocontext
 773                     Perl_sv_catpvf_nocontext
 774                     Perl_sv_setpvf_nocontext
 775                     Perl_sv_catpvf_mg_nocontext
 776                     Perl_sv_setpvf_mg_nocontext
 777                     Perl_my_cxt_init
 778                     Perl_my_cxt_index
 779                     )];
 780 }
 781
 782 unless ($define{'PERL_IMPLICIT_SYS'}) {
 783     skip_symbols [qw(
 784                     perl_alloc_using
 785                     perl_clone_using
 786                     )];
 787 }
 788
 789 unless ($define{'FAKE_THREADS'}) {
 790     skip_symbols [qw(PL_curthr)];
 791 }
 792
 793 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 794     skip_symbols [qw(
 795                      PL_OpPtr
 796                      PL_OpSlab
 797                      PL_OpSpace
 798                      Perl_Slab_Alloc
 799                      Perl_Slab_Free
 800                     )];
 801 }
 802
 803 unless ($define{'PERL_DEBUG_READONLY_OPS'}) {
 804     skip_symbols [qw(
 805                     PL_slab_count
 806                     PL_slabs
 807                   )];
 808 }
 809
 810 unless ($define{'THREADS_HAVE_PIDS'}) {
 811     skip_symbols [qw(PL_ppid)];
 812 }
 813
 814 unless ($define{'PERL_NEED_APPCTX'}) {
 815     skip_symbols [qw(
 816                     PL_appctx
 817                     )];
 818 }
 819
 820 unless ($define{'PERL_NEED_TIMESBASE'}) {
 821     skip_symbols [qw(
 822                     PL_timesbase
 823                     )];
 824 }
 825
 826 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 827     skip_symbols [qw(
 828                     PL_dumper_fd
 829                     )];
 830 }
 831 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 832     skip_symbols [qw(
 833                      Perl_gv_SVadd
 834                     )];
 835 }
 836 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 837     skip_symbols [qw(
 838                      Perl_my_sprintf
 839                     )];
 840 }
 841 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 842     skip_symbols [qw(
 843                      Perl_pidgone
 844                      PL_pidstatus
 845                     )];
 846 }
 847
 848 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 849     skip_symbols [qw(
 850                      PL_memory_debug_header
 851                     )];
 852 }
 853
 854 if ($define{'PERL_MAD'}) {
 855     skip_symbols [qw(
 856                      PL_nextval
 857                      PL_nexttype
 858                      )];
 859 } else {
 860     skip_symbols [qw(
 861                     PL_madskills
 862                     PL_xmlfp
 863                     PL_lasttoke
 864                     PL_realtokenstart
 865                     PL_faketokens
 866                     PL_thismad
 867                     PL_thistoken
 868                     PL_thisopen
 869                     PL_thisstuff
 870                     PL_thisclose
 871                     PL_thiswhite
 872                     PL_nextwhite
 873                     PL_skipwhite
 874                     PL_endwhite
 875                     PL_curforce
 876                     Perl_pad_peg
 877                     Perl_xmldump_indent
 878                     Perl_xmldump_vindent
 879                     Perl_xmldump_all
 880                     Perl_xmldump_packsubs
 881                     Perl_xmldump_sub
 882                     Perl_xmldump_form
 883                     Perl_xmldump_eval
 884                     Perl_sv_catxmlsv
 885                     Perl_sv_catxmlpvn
 886                     Perl_sv_xmlpeek
 887                     Perl_do_pmop_xmldump
 888                     Perl_pmop_xmldump
 889                     Perl_do_op_xmldump
 890                     Perl_op_xmldump
 891                     )];
 892 }
 893
 894 unless ($define{'MULTIPLICITY'}) {
 895     skip_symbols [qw(
 896                     PL_interp_size
 897                     PL_interp_size_5_10_0
 898                     )];
 899 }
 900
 901 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 902     skip_symbols [qw(
 903                     PL_global_struct_size
 904                     )];
 905 }
 906
 907 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 908     skip_symbols [qw(
 909                     PL_my_cxt_keys
 910                     Perl_my_cxt_index
 911                     )];
 912 }
 913
 914 unless ($define{'d_mmap'}) {
 915     skip_symbols [qw(
 916                     PL_mmap_page_size
 917                     )];
 918 }
 919
 920 if ($define{'d_sigaction'}) {
 921     skip_symbols [qw(
 922                     PL_sig_trapped
 923                     )];
 924 }
 925
 926 if ($^O ne 'vms') {
 927     # VMS does its own thing for these symbols.
 928     skip_symbols [qw(PL_sig_handlers_initted
 929                      PL_sig_ignoring
 930                      PL_sig_defaulting)];
 931 }
 932
 933 sub readvar {
 934     my $file = shift;
 935     my $proc = shift || sub { "PL_$_[2]" };
 936     open(VARS,$file) || die "Cannot open $file: $!\n";
 937     my @syms;
 938     while (<VARS>) {
 939         # All symbols have a Perl_ prefix because that's what embed.h
 940         # sticks in front of them.  The A?I?S?C? is strictly speaking
 941         # wrong.
 942         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 943     }
 944     close(VARS);
 945     return \@syms;
 946 }
 947
 948 if ($define{'PERL_GLOBAL_STRUCT'}) {
 949     my $global = readvar($perlvars_h);
 950     skip_symbols $global;
 951     emit_symbol('Perl_GetVars');
 952     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 953 } else {
 954     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 955 }
 956
 957 # functions from *.sym files
 958
 959 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 960
 961 # Symbols that are the public face of the PerlIO layers implementation
 962 # These are in _addition to_ the public face of the abstraction
 963 # and need to be exported to allow XS modules to implement layers
 964 my @layer_syms = qw(
 965                     PerlIOBase_binmode
 966                     PerlIOBase_clearerr
 967                     PerlIOBase_close
 968                     PerlIOBase_dup
 969                     PerlIOBase_eof
 970                     PerlIOBase_error
 971                     PerlIOBase_fileno
 972                     PerlIOBase_noop_fail
 973                     PerlIOBase_noop_ok
 974                     PerlIOBase_popped
 975                     PerlIOBase_pushed
 976                     PerlIOBase_read
 977                     PerlIOBase_setlinebuf
 978                     PerlIOBase_unread
 979                     PerlIOBuf_bufsiz
 980                     PerlIOBuf_close
 981                     PerlIOBuf_dup
 982                     PerlIOBuf_fill
 983                     PerlIOBuf_flush
 984                     PerlIOBuf_get_base
 985                     PerlIOBuf_get_cnt
 986                     PerlIOBuf_get_ptr
 987                     PerlIOBuf_open
 988                     PerlIOBuf_popped
 989                     PerlIOBuf_pushed
 990                     PerlIOBuf_read
 991                     PerlIOBuf_seek
 992                     PerlIOBuf_set_ptrcnt
 993                     PerlIOBuf_tell
 994                     PerlIOBuf_unread
 995                     PerlIOBuf_write
 996                     PerlIO_allocate
 997                     PerlIO_apply_layera
 998                     PerlIO_apply_layers
 999                     PerlIO_arg_fetch
1000                     PerlIO_debug
1001                     PerlIO_define_layer
1002                     PerlIO_isutf8
1003                     PerlIO_layer_fetch
1004                     PerlIO_list_free
1005                     PerlIO_modestr
1006                     PerlIO_parse_layers
1007                     PerlIO_pending
1008                     PerlIO_perlio
1009                     PerlIO_pop
1010                     PerlIO_push
1011                     PerlIO_sv_dup
1012                     Perl_PerlIO_clearerr
1013                     Perl_PerlIO_close
1014                     Perl_PerlIO_context_layers
1015                     Perl_PerlIO_eof
1016                     Perl_PerlIO_error
1017                     Perl_PerlIO_fileno
1018                     Perl_PerlIO_fill
1019                     Perl_PerlIO_flush
1020                     Perl_PerlIO_get_base
1021                     Perl_PerlIO_get_bufsiz
1022                     Perl_PerlIO_get_cnt
1023                     Perl_PerlIO_get_ptr
1024                     Perl_PerlIO_read
1025                     Perl_PerlIO_seek
1026                     Perl_PerlIO_set_cnt
1027                     Perl_PerlIO_set_ptrcnt
1028                     Perl_PerlIO_setlinebuf
1029                     Perl_PerlIO_stderr
1030                     Perl_PerlIO_stdin
1031                     Perl_PerlIO_stdout
1032                     Perl_PerlIO_tell
1033                     Perl_PerlIO_unread
1034                     Perl_PerlIO_write
1035 );
1036 if ($PLATFORM eq 'netware') {
1037     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
1038 }
1039
1040 if ($define{'USE_PERLIO'}) {
1041     # Export the symols that make up the PerlIO abstraction, regardless
1042     # of its implementation - read from a file
1043     push @syms, $perlio_sym;
1044
1045     # This part is then dependent on how the abstraction is implemented
1046     if ($define{'USE_SFIO'}) {
1047         # Old legacy non-stdio "PerlIO"
1048         skip_symbols \@layer_syms;
1049         skip_symbols [qw(perlsio_binmode)];
1050         # SFIO defines most of the PerlIO routines as macros
1051         # So undo most of what $perlio_sym has just done - d'oh !
1052         # Perhaps it would be better to list the ones which do exist
1053         # And emit them
1054         skip_symbols [qw(
1055                          PerlIO_canset_cnt
1056                          PerlIO_clearerr
1057                          PerlIO_close
1058                          PerlIO_eof
1059                          PerlIO_error
1060                          PerlIO_exportFILE
1061                          PerlIO_fast_gets
1062                          PerlIO_fdopen
1063                          PerlIO_fileno
1064                          PerlIO_findFILE
1065                          PerlIO_flush
1066                          PerlIO_get_base
1067                          PerlIO_get_bufsiz
1068                          PerlIO_get_cnt
1069                          PerlIO_get_ptr
1070                          PerlIO_getc
1071                          PerlIO_getname
1072                          PerlIO_has_base
1073                          PerlIO_has_cntptr
1074                          PerlIO_importFILE
1075                          PerlIO_open
1076                          PerlIO_printf
1077                          PerlIO_putc
1078                          PerlIO_puts
1079                          PerlIO_read
1080                          PerlIO_releaseFILE
1081                          PerlIO_reopen
1082                          PerlIO_rewind
1083                          PerlIO_seek
1084                          PerlIO_set_cnt
1085                          PerlIO_set_ptrcnt
1086                          PerlIO_setlinebuf
1087                          PerlIO_sprintf
1088                          PerlIO_stderr
1089                          PerlIO_stdin
1090                          PerlIO_stdout
1091                          PerlIO_stdoutf
1092                          PerlIO_tell
1093                          PerlIO_ungetc
1094                          PerlIO_vprintf
1095                          PerlIO_write
1096                          PerlIO_perlio
1097                          Perl_PerlIO_clearerr
1098                          Perl_PerlIO_close
1099                          Perl_PerlIO_eof
1100                          Perl_PerlIO_error
1101                          Perl_PerlIO_fileno
1102                          Perl_PerlIO_fill
1103                          Perl_PerlIO_flush
1104                          Perl_PerlIO_get_base
1105                          Perl_PerlIO_get_bufsiz
1106                          Perl_PerlIO_get_cnt
1107                          Perl_PerlIO_get_ptr
1108                          Perl_PerlIO_read
1109                          Perl_PerlIO_seek
1110                          Perl_PerlIO_set_cnt
1111                          Perl_PerlIO_set_ptrcnt
1112                          Perl_PerlIO_setlinebuf
1113                          Perl_PerlIO_stderr
1114                          Perl_PerlIO_stdin
1115                          Perl_PerlIO_stdout
1116                          Perl_PerlIO_tell
1117                          Perl_PerlIO_unread
1118                          Perl_PerlIO_write
1119                          PL_def_layerlist
1120                          PL_known_layers
1121                          PL_perlio
1122                          )];
1123     }
1124     else {
1125         # PerlIO with layers - export implementation
1126         emit_symbols \@layer_syms;
1127         emit_symbols [qw(perlsio_binmode)];
1128     }
1129     if ($define{'USE_ITHREADS'}) {
1130         emit_symbols [qw(
1131                         PL_perlio_mutex
1132                         )];
1133     }
1134     else {
1135         skip_symbols [qw(
1136                         PL_perlio_mutex
1137                         )];
1138     }
1139 } else {
1140         # -Uuseperlio
1141         # Skip the PerlIO layer symbols - although
1142         # nothing should have exported them anyway.
1143         skip_symbols \@layer_syms;
1144         skip_symbols [qw(
1145                         perlsio_binmode
1146                         PL_def_layerlist
1147                         PL_known_layers
1148                         PL_perlio
1149                         PL_perlio_debug_fd
1150                         PL_perlio_fd_refcnt
1151                         PL_perlio_fd_refcnt_size
1152                         )];
1153
1154         # Also do NOT add abstraction symbols from $perlio_sym
1155         # abstraction is done as #define to stdio
1156         # Remaining remnants that _may_ be functions
1157         # are handled in <DATA>
1158 }
1159
1160 for my $syms (@syms) {
1161     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1162     while (<GLOBAL>) {
1163         next if (!/^[A-Za-z]/);
1164         # Functions have a Perl_ prefix
1165         # Variables have a PL_ prefix
1166         chomp($_);
1167         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1168         $symbol .= $_;
1169         emit_symbol($symbol) unless exists $skip{$symbol};
1170     }
1171     close(GLOBAL);
1172 }
1173
1174 # variables
1175
1176 if ($define{'MULTIPLICITY'}) {
1177     for my $f ($perlvars_h, $intrpvar_h) {
1178         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1179         emit_symbols $glob;
1180     }
1181     # XXX AIX seems to want the perlvars.h symbols, for some reason
1182     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1183         my $glob = readvar($perlvars_h);
1184         emit_symbols $glob;
1185     }
1186 }
1187 else {
1188     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1189         my $glob = readvar($perlvars_h);
1190         emit_symbols $glob;
1191     }
1192     unless ($define{'MULTIPLICITY'}) {
1193         my $glob = readvar($intrpvar_h);
1194         emit_symbols $glob;
1195     }
1196 }
1197
1198 sub try_symbol {
1199     my $symbol = shift;
1200
1201     return if $symbol !~ /^[A-Za-z_]/;
1202     return if $symbol =~ /^\#/;
1203     $symbol =~s/\r//g;
1204     chomp($symbol);
1205     return if exists $skip{$symbol};
1206     emit_symbol($symbol);
1207 }
1208
1209 while (<DATA>) {
1210     try_symbol($_);
1211 }
1212
1213 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1214     foreach my $symbol (qw(
1215                             setuid
1216                             setgid
1217                             boot_DynaLoader
1218                             Perl_init_os_extras
1219                             Perl_thread_create
1220                             Perl_win32_init
1221                             Perl_win32_term
1222                             RunPerl
1223                             win32_async_check
1224                             win32_errno
1225                             win32_environ
1226                             win32_abort
1227                             win32_fstat
1228                             win32_stat
1229                             win32_pipe
1230                             win32_popen
1231                             win32_pclose
1232                             win32_rename
1233                             win32_setmode
1234                             win32_chsize
1235                             win32_lseek
1236                             win32_tell
1237                             win32_dup
1238                             win32_dup2
1239                             win32_open
1240                             win32_close
1241                             win32_eof
1242                             win32_read
1243                             win32_write
1244                             win32_spawnvp
1245                             win32_mkdir
1246                             win32_rmdir
1247                             win32_chdir
1248                             win32_flock
1249                             win32_execv
1250                             win32_execvp
1251                             win32_htons
1252                             win32_ntohs
1253                             win32_htonl
1254                             win32_ntohl
1255                             win32_inet_addr
1256                             win32_inet_ntoa
1257                             win32_socket
1258                             win32_bind
1259                             win32_listen
1260                             win32_accept
1261                             win32_connect
1262                             win32_send
1263                             win32_sendto
1264                             win32_recv
1265                             win32_recvfrom
1266                             win32_shutdown
1267                             win32_closesocket
1268                             win32_ioctlsocket
1269                             win32_setsockopt
1270                             win32_getsockopt
1271                             win32_getpeername
1272                             win32_getsockname
1273                             win32_gethostname
1274                             win32_gethostbyname
1275                             win32_gethostbyaddr
1276                             win32_getprotobyname
1277                             win32_getprotobynumber
1278                             win32_getservbyname
1279                             win32_getservbyport
1280                             win32_select
1281                             win32_endhostent
1282                             win32_endnetent
1283                             win32_endprotoent
1284                             win32_endservent
1285                             win32_getnetent
1286                             win32_getnetbyname
1287                             win32_getnetbyaddr
1288                             win32_getprotoent
1289                             win32_getservent
1290                             win32_sethostent
1291                             win32_setnetent
1292                             win32_setprotoent
1293                             win32_setservent
1294                             win32_getenv
1295                             win32_putenv
1296                             win32_perror
1297                             win32_malloc
1298                             win32_calloc
1299                             win32_realloc
1300                             win32_free
1301                             win32_sleep
1302                             win32_times
1303                             win32_access
1304                             win32_alarm
1305                             win32_chmod
1306                             win32_open_osfhandle
1307                             win32_get_osfhandle
1308                             win32_ioctl
1309                             win32_link
1310                             win32_unlink
1311                             win32_utime
1312                             win32_gettimeofday
1313                             win32_uname
1314                             win32_wait
1315                             win32_waitpid
1316                             win32_kill
1317                             win32_str_os_error
1318                             win32_opendir
1319                             win32_readdir
1320                             win32_telldir
1321                             win32_seekdir
1322                             win32_rewinddir
1323                             win32_closedir
1324                             win32_longpath
1325                             win32_ansipath
1326                             win32_os_id
1327                             win32_getpid
1328                             win32_crypt
1329                             win32_dynaload
1330                             win32_get_childenv
1331                             win32_free_childenv
1332                             win32_clearenv
1333                             win32_get_childdir
1334                             win32_free_childdir
1335                             win32_stdin
1336                             win32_stdout
1337                             win32_stderr
1338                             win32_ferror
1339                             win32_feof
1340                             win32_strerror
1341                             win32_fprintf
1342                             win32_printf
1343                             win32_vfprintf
1344                             win32_vprintf
1345                             win32_fread
1346                             win32_fwrite
1347                             win32_fopen
1348                             win32_fdopen
1349                             win32_freopen
1350                             win32_fclose
1351                             win32_fputs
1352                             win32_fputc
1353                             win32_ungetc
1354                             win32_getc
1355                             win32_fileno
1356                             win32_clearerr
1357                             win32_fflush
1358                             win32_ftell
1359                             win32_fseek
1360                             win32_fgetpos
1361                             win32_fsetpos
1362                             win32_rewind
1363                             win32_tmpfile
1364                             win32_setbuf
1365                             win32_setvbuf
1366                             win32_flushall
1367                             win32_fcloseall
1368                             win32_fgets
1369                             win32_gets
1370                             win32_fgetc
1371                             win32_putc
1372                             win32_puts
1373                             win32_getchar
1374                             win32_putchar
1375                            ))
1376     {
1377         try_symbol($symbol);
1378     }
1379     if ($CCTYPE eq "BORLAND") {
1380         try_symbol('_matherr');
1381     }
1382 }
1383 elsif ($PLATFORM eq 'os2') {
1384     my (%mapped, @missing);
1385     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1386     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1387     close MAP or die 'Cannot close miniperl.map';
1388
1389     @missing = grep { !exists $mapped{$_} }
1390                     keys %export;
1391     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1392     delete $export{$_} foreach @missing;
1393 }
1394 elsif ($PLATFORM eq 'MacOS') {
1395     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1396
1397     while (<MACSYMS>) {
1398         try_symbol($_);
1399     }
1400
1401     close MACSYMS;
1402 }
1403 elsif ($PLATFORM eq 'netware') {
1404 foreach my $symbol (qw(
1405                         boot_DynaLoader
1406                         Perl_init_os_extras
1407                         Perl_thread_create
1408                         Perl_nw5_init
1409                         RunPerl
1410                         AllocStdPerl
1411                         FreeStdPerl
1412                         do_spawn2
1413                         do_aspawn
1414                         nw_uname
1415                         nw_stdin
1416                         nw_stdout
1417                         nw_stderr
1418                         nw_feof
1419                         nw_ferror
1420                         nw_fopen
1421                         nw_fclose
1422                         nw_clearerr
1423                         nw_getc
1424                         nw_fgets
1425                         nw_fputc
1426                         nw_fputs
1427                         nw_fflush
1428                         nw_ungetc
1429                         nw_fileno
1430                         nw_fdopen
1431                         nw_freopen
1432                         nw_fread
1433                         nw_fwrite
1434                         nw_setbuf
1435                         nw_setvbuf
1436                         nw_vfprintf
1437                         nw_ftell
1438                         nw_fseek
1439                         nw_rewind
1440                         nw_tmpfile
1441                         nw_fgetpos
1442                         nw_fsetpos
1443                         nw_dup
1444                         nw_access
1445                         nw_chmod
1446                         nw_chsize
1447                         nw_close
1448                         nw_dup2
1449                         nw_flock
1450                         nw_isatty
1451                         nw_link
1452                         nw_lseek
1453                         nw_stat
1454                         nw_mktemp
1455                         nw_open
1456                         nw_read
1457                         nw_rename
1458                         nw_setmode
1459                         nw_unlink
1460                         nw_utime
1461                         nw_write
1462                         nw_chdir
1463                         nw_rmdir
1464                         nw_closedir
1465                         nw_opendir
1466                         nw_readdir
1467                         nw_rewinddir
1468                         nw_seekdir
1469                         nw_telldir
1470                         nw_htonl
1471                         nw_htons
1472                         nw_ntohl
1473                         nw_ntohs
1474                         nw_accept
1475                         nw_bind
1476                         nw_connect
1477                         nw_endhostent
1478                         nw_endnetent
1479                         nw_endprotoent
1480                         nw_endservent
1481                         nw_gethostbyaddr
1482                         nw_gethostbyname
1483                         nw_gethostent
1484                         nw_gethostname
1485                         nw_getnetbyaddr
1486                         nw_getnetbyname
1487                         nw_getnetent
1488                         nw_getpeername
1489                         nw_getprotobyname
1490                         nw_getprotobynumber
1491                         nw_getprotoent
1492                         nw_getservbyname
1493                         nw_getservbyport
1494                         nw_getservent
1495                         nw_getsockname
1496                         nw_getsockopt
1497                         nw_inet_addr
1498                         nw_listen
1499                         nw_socket
1500                         nw_recv
1501                         nw_recvfrom
1502                         nw_select
1503                         nw_send
1504                         nw_sendto
1505                         nw_sethostent
1506                         nw_setnetent
1507                         nw_setprotoent
1508                         nw_setservent
1509                         nw_setsockopt
1510                         nw_inet_ntoa
1511                         nw_shutdown
1512                         nw_crypt
1513                         nw_execvp
1514                         nw_kill
1515                         nw_Popen
1516                         nw_Pclose
1517                         nw_Pipe
1518                         nw_times
1519                         nw_waitpid
1520                         nw_getpid
1521                         nw_spawnvp
1522                         nw_os_id
1523                         nw_open_osfhandle
1524                         nw_get_osfhandle
1525                         nw_abort
1526                         nw_sleep
1527                         nw_wait
1528                         nw_dynaload
1529                         nw_strerror
1530                         fnFpSetMode
1531                         fnInsertHashListAddrs
1532                         fnGetHashListAddrs
1533                         Perl_deb
1534                         Perl_sv_setsv
1535                         Perl_sv_catsv
1536                         Perl_sv_catpvn
1537                         Perl_sv_2pv
1538                         nw_freeenviron
1539                         Remove_Thread_Ctx
1540                            ))
1541     {
1542         try_symbol($symbol);
1543     }
1544 }
1545
1546 # records of type boot_module for statically linked modules (except Dynaloader)
1547 $static_ext =~ s/\//__/g;
1548 $static_ext =~ s/\bDynaLoader\b//;
1549 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1550 foreach my $symbol (@stat_mods)
1551     {
1552         try_symbol($symbol);
1553     }
1554
1555 try_symbol("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1556
1557 # Now all symbols should be defined because
1558 # next we are going to output them.
1559
1560 foreach my $symbol (sort keys %export) {
1561     output_symbol($symbol);
1562 }
1563
1564 if ($PLATFORM eq 'os2') {
1565         print <<EOP;
1566     dll_perlmain=main
1567     fill_extLibpath
1568     dir_subst
1569     Perl_OS2_handler_install
1570
1571 ; LAST_ORDINAL=$sym_ord
1572 EOP
1573 }
1574
1575 sub emit_symbol {
1576     my $symbol = shift;
1577     chomp($symbol);
1578     $export{$symbol} = 1;
1579 }
1580
1581 sub output_symbol {
1582     my $symbol = shift;
1583     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1584         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1585         print "\t$symbol\n";
1586 # XXX: binary compatibility between compilers is an exercise
1587 # in frustration :-(
1588 #        if ($CCTYPE eq "BORLAND") {
1589 #           # workaround Borland quirk by exporting both the straight
1590 #           # name and a name with leading underscore.  Note the
1591 #           # alias *must* come after the symbol itself, if both
1592 #           # are to be exported. (Linker bug?)
1593 #           print "\t_$symbol\n";
1594 #           print "\t$symbol = _$symbol\n";
1595 #       }
1596 #       elsif ($CCTYPE eq 'GCC') {
1597 #           # Symbols have leading _ whole process is $%@"% slow
1598 #           # so skip aliases for now
1599 #           nprint "\t$symbol\n";
1600 #       }
1601 #       else {
1602 #           # for binary coexistence, export both the symbol and
1603 #           # alias with leading underscore
1604 #           print "\t$symbol\n";
1605 #           print "\t_$symbol = $symbol\n";
1606 #       }
1607     }
1608     elsif ($PLATFORM eq 'os2') {
1609         printf qq(    %-31s \@%s\n),
1610           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1611         printf qq(    %-31s \@%s\n),
1612           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1613           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1614           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1615     }
1616     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1617         print "$symbol\n";
1618     }
1619         elsif ($PLATFORM eq 'netware') {
1620         print "\t$symbol,\n";
1621         }
1622 }
1623
1624 1;
1625 __DATA__
1626 # Oddities from PerlIO
1627 PerlIO_binmode
1628 PerlIO_getpos
1629 PerlIO_init
1630 PerlIO_setpos
1631 PerlIO_sprintf
1632 PerlIO_sv_dup
1633 PerlIO_tmpfile
1634 PerlIO_vsprintf