makedef.pl

   1 #
   2 # Create the export list for perl.
   3 #
   4 # Needed by WIN32 and OS/2 for creating perl.dll,
   5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   6 # and by MacOS Classic.
   7 #
   8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   9 # On OS/2 reads miniperl.map as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 my %bincompat5005 =
  15       (
  16        Perl_call_atexit         =>      "perl_atexit",
  17        Perl_eval_sv             =>      "perl_eval_sv",
  18        Perl_eval_pv             =>      "perl_eval_pv",
  19        Perl_call_argv           =>      "perl_call_argv",
  20        Perl_call_method         =>      "perl_call_method",
  21        Perl_call_pv             =>      "perl_call_pv",
  22        Perl_call_sv             =>      "perl_call_sv",
  23        Perl_get_av              =>      "perl_get_av",
  24        Perl_get_cv              =>      "perl_get_cv",
  25        Perl_get_hv              =>      "perl_get_hv",
  26        Perl_get_sv              =>      "perl_get_sv",
  27        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
  28        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
  29        Perl_new_collate         =>      "perl_new_collate",
  30        Perl_new_ctype           =>      "perl_new_ctype",
  31        Perl_new_numeric         =>      "perl_new_numeric",
  32        Perl_require_pv          =>      "perl_require_pv",
  33        Perl_safesyscalloc       =>      "Perl_safecalloc",
  34        Perl_safesysfree         =>      "Perl_safefree",
  35        Perl_safesysmalloc       =>      "Perl_safemalloc",
  36        Perl_safesysrealloc      =>      "Perl_saferealloc",
  37        Perl_set_numeric_local   =>      "perl_set_numeric_local",
  38        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
  39        Perl_malloc              =>      "malloc",
  40        Perl_mfree               =>      "free",
  41        Perl_realloc             =>      "realloc",
  42        Perl_calloc              =>      "calloc",
  43       );
  44
  45 my $bincompat5005 = join("|", keys %bincompat5005);
  46
  47 while (@ARGV) {
  48     my $flag = shift;
  49     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  50     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  51     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  52     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  53 }
  54
  55 my @PLATFORM = qw(aix win32 os2 MacOS);
  56 my %PLATFORM;
  57 @PLATFORM{@PLATFORM} = ();
  58
  59 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  60 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  61
  62 my $config_sh   = "config.sh";
  63 my $config_h    = "config.h";
  64 my $thrdvar_h   = "thrdvar.h";
  65 my $intrpvar_h  = "intrpvar.h";
  66 my $perlvars_h  = "perlvars.h";
  67 my $global_sym  = "global.sym";
  68 my $pp_sym      = "pp.sym";
  69 my $globvar_sym = "globvar.sym";
  70 my $perlio_sym  = "perlio.sym";
  71
  72 if ($PLATFORM eq 'aix') {
  73     # Nothing for now.
  74 }
  75 elsif ($PLATFORM eq 'win32') {
  76     $CCTYPE = "MSVC" unless defined $CCTYPE;
  77     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  78                 $pp_sym, $globvar_sym, $perlio_sym) {
  79         s!^!..\\!;
  80     }
  81 }
  82 elsif ($PLATFORM eq 'MacOS') {
  83     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  84                 $pp_sym, $globvar_sym, $perlio_sym) {
  85         s!^!::!;
  86     }
  87 }
  88
  89 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS') {
  90     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  91     while (<CFG>) {
  92         if (/^(?:ccflags|optimize)='(.+)'$/) {
  93             $_ = $1;
  94             $define{$1} = 1 while /-D(\w+)/g;
  95         }
  96         if ($PLATFORM eq 'os2') {
  97             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
  98             $ARCHNAME =    $1 if /^(?:archname)='(.+)'$/;
  99         }
 100     }
 101     close(CFG);
 102 }
 103
 104 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 105 while (<CFG>) {
 106     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 107     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 108     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 109     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 110 }
 111 close(CFG);
 112
 113 # perl.h logic duplication begins
 114
 115 if ($define{USE_ITHREADS}) {
 116     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
 117         $define{MULTIPLICITY} = 1;
 118     }
 119 }
 120
 121 $define{PERL_IMPLICIT_CONTEXT} ||=
 122     $define{USE_ITHREADS} ||
 123     $define{USE_5005THREADS}  ||
 124     $define{MULTIPLICITY} ;
 125
 126 if ($define{PERL_CAPI}) {
 127     delete $define{PERL_OBJECT};
 128     $define{MULTIPLICITY} = 1;
 129     $define{PERL_IMPLICIT_CONTEXT} = 1;
 130     $define{PERL_IMPLICIT_SYS}     = 1;
 131 }
 132
 133 if ($define{PERL_OBJECT}) {
 134     $define{PERL_IMPLICIT_CONTEXT} = 1;
 135     $define{PERL_IMPLICIT_SYS}     = 1;
 136 }
 137
 138 # perl.h logic duplication ends
 139
 140 if ($PLATFORM eq 'win32') {
 141     warn join(' ',keys %define)."\n";
 142     print "LIBRARY Perl57\n";
 143     print "DESCRIPTION 'Perl interpreter'\n";
 144     print "EXPORTS\n";
 145     if ($define{PERL_IMPLICIT_SYS}) {
 146         output_symbol("perl_get_host_info");
 147         output_symbol("perl_alloc_override");
 148     }
 149 }
 150 elsif ($PLATFORM eq 'os2') {
 151     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 152     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 153     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 154     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 155     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 156     print <<"---EOP---";
 157 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 158 $d
 159 STACKSIZE 32768
 160 CODE LOADONCALL
 161 DATA LOADONCALL NONSHARED MULTIPLE
 162 EXPORTS
 163 ---EOP---
 164 }
 165 elsif ($PLATFORM eq 'aix') {
 166     print "#!\n";
 167 }
 168
 169 my %skip;
 170 my %export;
 171
 172 sub skip_symbols {
 173     my $list = shift;
 174     foreach my $symbol (@$list) {
 175         $skip{$symbol} = 1;
 176     }
 177 }
 178
 179 sub emit_symbols {
 180     my $list = shift;
 181     foreach my $symbol (@$list) {
 182         my $skipsym = $symbol;
 183         # XXX hack
 184         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 185             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 186         }
 187         emit_symbol($symbol) unless exists $skip{$skipsym};
 188     }
 189 }
 190
 191 if ($PLATFORM eq 'win32') {
 192     skip_symbols [qw(
 193                      PL_statusvalue_vms
 194                      PL_archpat_auto
 195                      PL_cryptseen
 196                      PL_DBcv
 197                      PL_generation
 198                      PL_lastgotoprobe
 199                      PL_linestart
 200                      PL_modcount
 201                      PL_pending_ident
 202                      PL_sortcxix
 203                      PL_sublex_info
 204                      PL_timesbuf
 205                      main
 206                      Perl_ErrorNo
 207                      Perl_GetVars
 208                      Perl_do_exec3
 209                      Perl_do_ipcctl
 210                      Perl_do_ipcget
 211                      Perl_do_msgrcv
 212                      Perl_do_msgsnd
 213                      Perl_do_semop
 214                      Perl_do_shmio
 215                      Perl_dump_fds
 216                      Perl_init_thread_intern
 217                      Perl_my_bzero
 218                      Perl_my_htonl
 219                      Perl_my_ntohl
 220                      Perl_my_swap
 221                      Perl_my_chsize
 222                      Perl_same_dirent
 223                      Perl_setenv_getix
 224                      Perl_unlnk
 225                      Perl_watch
 226                      Perl_safexcalloc
 227                      Perl_safexmalloc
 228                      Perl_safexfree
 229                      Perl_safexrealloc
 230                      Perl_my_memcmp
 231                      Perl_my_memset
 232                      PL_cshlen
 233                      PL_cshname
 234                      PL_opsave
 235                      Perl_do_exec
 236                      Perl_getenv_len
 237                      Perl_my_pclose
 238                      Perl_my_popen
 239                      )];
 240 }
 241 elsif ($PLATFORM eq 'aix') {
 242     skip_symbols([qw(
 243                      Perl_dump_fds
 244                      Perl_ErrorNo
 245                      Perl_GetVars
 246                      Perl_my_bcopy
 247                      Perl_my_bzero
 248                      Perl_my_chsize
 249                      Perl_my_htonl
 250                      Perl_my_memcmp
 251                      Perl_my_memset
 252                      Perl_my_ntohl
 253                      Perl_my_swap
 254                      Perl_safexcalloc
 255                      Perl_safexfree
 256                      Perl_safexmalloc
 257                      Perl_safexrealloc
 258                      Perl_same_dirent
 259                      Perl_unlnk
 260                      Perl_sys_intern_clear
 261                      Perl_sys_intern_dup
 262                      Perl_sys_intern_init
 263                      PL_cryptseen
 264                      PL_opsave
 265                      PL_statusvalue_vms
 266                      PL_sys_intern
 267                      )]);
 268 }
 269 elsif ($PLATFORM eq 'os2') {
 270     emit_symbols([qw(
 271                     ctermid
 272                     get_sysinfo
 273                     Perl_OS2_init
 274                     OS2_Perl_data
 275                     dlopen
 276                     dlsym
 277                     dlerror
 278                     dlclose
 279                     my_tmpfile
 280                     my_tmpnam
 281                     my_flock
 282                     my_rmdir
 283                     my_mkdir
 284                     malloc_mutex
 285                     threads_mutex
 286                     nthreads
 287                     nthreads_cond
 288                     os2_cond_wait
 289                     os2_stat
 290                     pthread_join
 291                     pthread_create
 292                     pthread_detach
 293                     XS_Cwd_change_drive
 294                     XS_Cwd_current_drive
 295                     XS_Cwd_extLibpath
 296                     XS_Cwd_extLibpath_set
 297                     XS_Cwd_sys_abspath
 298                     XS_Cwd_sys_chdir
 299                     XS_Cwd_sys_cwd
 300                     XS_Cwd_sys_is_absolute
 301                     XS_Cwd_sys_is_relative
 302                     XS_Cwd_sys_is_rooted
 303                     XS_DynaLoader_mod2fname
 304                     XS_File__Copy_syscopy
 305                     Perl_Register_MQ
 306                     Perl_Deregister_MQ
 307                     Perl_Serve_Messages
 308                     Perl_Process_Messages
 309                     init_PMWIN_entries
 310                     PMWIN_entries
 311                     Perl_hab_GET
 312                     )]);
 313 }
 314 elsif ($PLATFORM eq 'MacOS') {
 315     skip_symbols [qw(
 316                     Perl_GetVars
 317                     PL_cryptseen
 318                     PL_cshlen
 319                     PL_cshname
 320                     PL_statusvalue_vms
 321                     PL_sys_intern
 322                     PL_opsave
 323                     PL_timesbuf
 324                     Perl_dump_fds
 325                     Perl_my_bcopy
 326                     Perl_my_bzero
 327                     Perl_my_chsize
 328                     Perl_my_htonl
 329                     Perl_my_memcmp
 330                     Perl_my_memset
 331                     Perl_my_ntohl
 332                     Perl_my_swap
 333                     Perl_safexcalloc
 334                     Perl_safexfree
 335                     Perl_safexmalloc
 336                     Perl_safexrealloc
 337                     Perl_unlnk
 338                     Perl_sys_intern_clear
 339                     Perl_sys_intern_init
 340                     )];
 341 }
 342
 343
 344 unless ($define{'DEBUGGING'}) {
 345     skip_symbols [qw(
 346                     Perl_deb_growlevel
 347                     Perl_debop
 348                     Perl_debprofdump
 349                     Perl_debstack
 350                     Perl_debstackptrs
 351                     Perl_runops_debug
 352                     Perl_sv_peek
 353                     PL_block_type
 354                     PL_watchaddr
 355                     PL_watchok
 356                     )];
 357 }
 358
 359 if ($define{'PERL_IMPLICIT_SYS'}) {
 360     skip_symbols [qw(
 361                     Perl_getenv_len
 362                     Perl_my_popen
 363                     Perl_my_pclose
 364                     )];
 365 }
 366 else {
 367     skip_symbols [qw(
 368                     PL_Mem
 369                     PL_MemShared
 370                     PL_MemParse
 371                     PL_Env
 372                     PL_StdIO
 373                     PL_LIO
 374                     PL_Dir
 375                     PL_Sock
 376                     PL_Proc
 377                     )];
 378 }
 379
 380 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 381     skip_symbols [qw(
 382                     PL_protect
 383                     Perl_default_protect
 384                     Perl_vdefault_protect
 385                     )];
 386 }
 387
 388 if ($define{'MYMALLOC'}) {
 389     emit_symbols [qw(
 390                     Perl_dump_mstats
 391                     Perl_get_mstats
 392                     Perl_malloc
 393                     Perl_mfree
 394                     Perl_realloc
 395                     Perl_calloc
 396                     Perl_strdup
 397                     Perl_putenv
 398                     )];
 399     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 400         emit_symbols [qw(
 401                         PL_malloc_mutex
 402                         )];
 403     }
 404     else {
 405         skip_symbols [qw(
 406                         PL_malloc_mutex
 407                         )];
 408     }
 409 }
 410 else {
 411     skip_symbols [qw(
 412                     PL_malloc_mutex
 413                     Perl_dump_mstats
 414                     Perl_get_mstats
 415                     Perl_malloc
 416                     Perl_mfree
 417                     Perl_realloc
 418                     Perl_calloc
 419                     Perl_malloced_size
 420                     )];
 421 }
 422
 423 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 424     skip_symbols [qw(
 425                     PL_thr_key
 426                     )];
 427 }
 428
 429 unless ($define{'USE_5005THREADS'}) {
 430     skip_symbols [qw(
 431                     PL_sv_mutex
 432                     PL_strtab_mutex
 433                     PL_svref_mutex
 434                     PL_cred_mutex
 435                     PL_eval_mutex
 436                     PL_fdpid_mutex
 437                     PL_sv_lock_mutex
 438                     PL_eval_cond
 439                     PL_eval_owner
 440                     PL_threads_mutex
 441                     PL_nthreads
 442                     PL_nthreads_cond
 443                     PL_threadnum
 444                     PL_threadsv_names
 445                     PL_thrsv
 446                     PL_vtbl_mutex
 447                     Perl_condpair_magic
 448                     Perl_new_struct_thread
 449                     Perl_per_thread_magicals
 450                     Perl_thread_create
 451                     Perl_find_threadsv
 452                     Perl_unlock_condpair
 453                     Perl_magic_mutexfree
 454                     Perl_sv_lock
 455                     )];
 456 }
 457
 458 unless ($define{'USE_ITHREADS'}) {
 459     skip_symbols [qw(
 460                     PL_ptr_table
 461                     PL_op_mutex
 462                     Perl_dirp_dup
 463                     Perl_cx_dup
 464                     Perl_si_dup
 465                     Perl_any_dup
 466                     Perl_ss_dup
 467                     Perl_fp_dup
 468                     Perl_gp_dup
 469                     Perl_he_dup
 470                     Perl_mg_dup
 471                     Perl_re_dup
 472                     Perl_sv_dup
 473                     Perl_sys_intern_dup
 474                     Perl_ptr_table_clear
 475                     Perl_ptr_table_fetch
 476                     Perl_ptr_table_free
 477                     Perl_ptr_table_new
 478                     Perl_ptr_table_clear
 479                     Perl_ptr_table_free
 480                     Perl_ptr_table_split
 481                     Perl_ptr_table_store
 482                     perl_clone
 483                     perl_clone_using
 484                     )];
 485 }
 486
 487 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 488     skip_symbols [qw(
 489                     Perl_croak_nocontext
 490                     Perl_die_nocontext
 491                     Perl_deb_nocontext
 492                     Perl_form_nocontext
 493                     Perl_load_module_nocontext
 494                     Perl_mess_nocontext
 495                     Perl_warn_nocontext
 496                     Perl_warner_nocontext
 497                     Perl_newSVpvf_nocontext
 498                     Perl_sv_catpvf_nocontext
 499                     Perl_sv_setpvf_nocontext
 500                     Perl_sv_catpvf_mg_nocontext
 501                     Perl_sv_setpvf_mg_nocontext
 502                     )];
 503 }
 504
 505 unless ($define{'PERL_IMPLICIT_SYS'}) {
 506     skip_symbols [qw(
 507                     perl_alloc_using
 508                     perl_clone_using
 509                     )];
 510 }
 511
 512 unless ($define{'FAKE_THREADS'}) {
 513     skip_symbols [qw(PL_curthr)];
 514 }
 515
 516 sub readvar {
 517     my $file = shift;
 518     my $proc = shift || sub { "PL_$_[2]" };
 519     open(VARS,$file) || die "Cannot open $file: $!\n";
 520     my @syms;
 521     while (<VARS>) {
 522         # All symbols have a Perl_ prefix because that's what embed.h
 523         # sticks in front of them.
 524         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 525     }
 526     close(VARS);
 527     return \@syms;
 528 }
 529
 530 if ($define{'USE_5005THREADS'}) {
 531     my $thrd = readvar($thrdvar_h);
 532     skip_symbols $thrd;
 533 }
 534
 535 if ($define{'PERL_GLOBAL_STRUCT'}) {
 536     my $global = readvar($perlvars_h);
 537     skip_symbols $global;
 538     emit_symbol('Perl_GetVars');
 539     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 540 }
 541
 542 # functions from *.sym files
 543
 544 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 545
 546 my @layer_syms = qw(
 547                          PerlIOBase_clearerr
 548                          PerlIOBase_close
 549                          PerlIOBase_eof
 550                          PerlIOBase_error
 551                          PerlIOBase_fileno
 552                          PerlIOBase_setlinebuf
 553                          PerlIOBase_pushed
 554                          PerlIOBase_read
 555                          PerlIOBase_unread
 556                          PerlIOBuf_bufsiz
 557                          PerlIOBuf_fill
 558                          PerlIOBuf_flush
 559                          PerlIOBuf_get_cnt
 560                          PerlIOBuf_get_ptr
 561                          PerlIOBuf_open
 562                          PerlIOBuf_pushed
 563                          PerlIOBuf_read
 564                          PerlIOBuf_seek
 565                          PerlIOBuf_set_ptrcnt
 566                          PerlIOBuf_tell
 567                          PerlIOBuf_unread
 568                          PerlIOBuf_write
 569                          PerlIO_define_layer
 570                          PerlIO_arg_fetch
 571                          PerlIO_pending
 572                          PerlIO_allocate
 573                          PerlIO_push
 574                          PerlIO_unread
 575 );
 576
 577 if ($define{'USE_PERLIO'}) {
 578     push @syms, $perlio_sym;
 579     if ($define{'USE_SFIO'}) {
 580         skip_symbols \@layer_syms;
 581         # SFIO defines most of the PerlIO routines as macros
 582         skip_symbols [qw(
 583                          PerlIO_canset_cnt
 584                          PerlIO_clearerr
 585                          PerlIO_close
 586                          PerlIO_eof
 587                          PerlIO_error
 588                          PerlIO_exportFILE
 589                          PerlIO_fast_gets
 590                          PerlIO_fdopen
 591                          PerlIO_fileno
 592                          PerlIO_findFILE
 593                          PerlIO_flush
 594                          PerlIO_get_base
 595                          PerlIO_get_bufsiz
 596                          PerlIO_get_cnt
 597                          PerlIO_get_ptr
 598                          PerlIO_getc
 599                          PerlIO_getname
 600                          PerlIO_has_base
 601                          PerlIO_has_cntptr
 602                          PerlIO_importFILE
 603                          PerlIO_open
 604                          PerlIO_printf
 605                          PerlIO_putc
 606                          PerlIO_puts
 607                          PerlIO_read
 608                          PerlIO_releaseFILE
 609                          PerlIO_reopen
 610                          PerlIO_rewind
 611                          PerlIO_seek
 612                          PerlIO_set_cnt
 613                          PerlIO_set_ptrcnt
 614                          PerlIO_setlinebuf
 615                          PerlIO_sprintf
 616                          PerlIO_stderr
 617                          PerlIO_stdin
 618                          PerlIO_stdout
 619                          PerlIO_stdoutf
 620                          PerlIO_tell
 621                          PerlIO_ungetc
 622                          PerlIO_vprintf
 623                          PerlIO_write
 624                          )];
 625     }
 626 } else {
 627         # Skip the PerlIO New Generation symbols.
 628         skip_symbols \@layer_syms;
 629 }
 630
 631 for my $syms (@syms) {
 632     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 633     while (<GLOBAL>) {
 634         next if (!/^[A-Za-z]/);
 635         # Functions have a Perl_ prefix
 636         # Variables have a PL_ prefix
 637         chomp($_);
 638         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 639         $symbol .= $_;
 640         emit_symbol($symbol) unless exists $skip{$symbol};
 641     }
 642     close(GLOBAL);
 643 }
 644
 645 # variables
 646
 647 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 648     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 649         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 650         emit_symbols $glob;
 651     }
 652     # XXX AIX seems to want the perlvars.h symbols, for some reason
 653     if ($PLATFORM eq 'aix') {
 654         my $glob = readvar($perlvars_h);
 655         emit_symbols $glob;
 656     }
 657 }
 658 else {
 659     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 660         my $glob = readvar($perlvars_h);
 661         emit_symbols $glob;
 662     }
 663     unless ($define{'MULTIPLICITY'}) {
 664         my $glob = readvar($intrpvar_h);
 665         emit_symbols $glob;
 666     }
 667     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 668         my $glob = readvar($thrdvar_h);
 669         emit_symbols $glob;
 670     }
 671 }
 672
 673 sub try_symbol {
 674     my $symbol = shift;
 675
 676     return if $symbol !~ /^[A-Za-z]/;
 677     return if $symbol =~ /^\#/;
 678     $symbol =~s/\r//g;
 679     chomp($symbol);
 680     return if exists $skip{$symbol};
 681     emit_symbol($symbol);
 682 }
 683
 684 while (<DATA>) {
 685     try_symbol($_);
 686 }
 687
 688 if ($PLATFORM eq 'win32') {
 689     foreach my $symbol (qw(
 690                             setuid
 691                             setgid
 692                             boot_DynaLoader
 693                             Perl_init_os_extras
 694                             Perl_thread_create
 695                             Perl_win32_init
 696                             RunPerl
 697                             win32_errno
 698                             win32_environ
 699                             win32_abort
 700                             win32_fstat
 701                             win32_stat
 702                             win32_pipe
 703                             win32_popen
 704                             win32_pclose
 705                             win32_rename
 706                             win32_setmode
 707                             win32_lseek
 708                             win32_tell
 709                             win32_dup
 710                             win32_dup2
 711                             win32_open
 712                             win32_close
 713                             win32_eof
 714                             win32_read
 715                             win32_write
 716                             win32_spawnvp
 717                             win32_mkdir
 718                             win32_rmdir
 719                             win32_chdir
 720                             win32_flock
 721                             win32_execv
 722                             win32_execvp
 723                             win32_htons
 724                             win32_ntohs
 725                             win32_htonl
 726                             win32_ntohl
 727                             win32_inet_addr
 728                             win32_inet_ntoa
 729                             win32_socket
 730                             win32_bind
 731                             win32_listen
 732                             win32_accept
 733                             win32_connect
 734                             win32_send
 735                             win32_sendto
 736                             win32_recv
 737                             win32_recvfrom
 738                             win32_shutdown
 739                             win32_closesocket
 740                             win32_ioctlsocket
 741                             win32_setsockopt
 742                             win32_getsockopt
 743                             win32_getpeername
 744                             win32_getsockname
 745                             win32_gethostname
 746                             win32_gethostbyname
 747                             win32_gethostbyaddr
 748                             win32_getprotobyname
 749                             win32_getprotobynumber
 750                             win32_getservbyname
 751                             win32_getservbyport
 752                             win32_select
 753                             win32_endhostent
 754                             win32_endnetent
 755                             win32_endprotoent
 756                             win32_endservent
 757                             win32_getnetent
 758                             win32_getnetbyname
 759                             win32_getnetbyaddr
 760                             win32_getprotoent
 761                             win32_getservent
 762                             win32_sethostent
 763                             win32_setnetent
 764                             win32_setprotoent
 765                             win32_setservent
 766                             win32_getenv
 767                             win32_putenv
 768                             win32_perror
 769                             win32_malloc
 770                             win32_calloc
 771                             win32_realloc
 772                             win32_free
 773                             win32_sleep
 774                             win32_times
 775                             win32_access
 776                             win32_alarm
 777                             win32_chmod
 778                             win32_open_osfhandle
 779                             win32_get_osfhandle
 780                             win32_ioctl
 781                             win32_link
 782                             win32_unlink
 783                             win32_utime
 784                             win32_uname
 785                             win32_wait
 786                             win32_waitpid
 787                             win32_kill
 788                             win32_str_os_error
 789                             win32_opendir
 790                             win32_readdir
 791                             win32_telldir
 792                             win32_seekdir
 793                             win32_rewinddir
 794                             win32_closedir
 795                             win32_longpath
 796                             win32_os_id
 797                             win32_getpid
 798                             win32_crypt
 799                             win32_dynaload
 800
 801                             win32_stdin
 802                             win32_stdout
 803                             win32_stderr
 804                             win32_ferror
 805                             win32_feof
 806                             win32_strerror
 807                             win32_fprintf
 808                             win32_printf
 809                             win32_vfprintf
 810                             win32_vprintf
 811                             win32_fread
 812                             win32_fwrite
 813                             win32_fopen
 814                             win32_fdopen
 815                             win32_freopen
 816                             win32_fclose
 817                             win32_fputs
 818                             win32_fputc
 819                             win32_ungetc
 820                             win32_getc
 821                             win32_fileno
 822                             win32_clearerr
 823                             win32_fflush
 824                             win32_ftell
 825                             win32_fseek
 826                             win32_fgetpos
 827                             win32_fsetpos
 828                             win32_rewind
 829                             win32_tmpfile
 830                             win32_setbuf
 831                             win32_setvbuf
 832                             win32_flushall
 833                             win32_fcloseall
 834                             win32_fgets
 835                             win32_gets
 836                             win32_fgetc
 837                             win32_putc
 838                             win32_puts
 839                             win32_getchar
 840                             win32_putchar
 841                            ))
 842     {
 843         try_symbol($symbol);
 844     }
 845 }
 846 elsif ($PLATFORM eq 'os2') {
 847     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 848     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 849     close MAP or die 'Cannot close miniperl.map';
 850
 851     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 852                     keys %export;
 853     delete $export{$_} foreach @missing;
 854 }
 855 elsif ($PLATFORM eq 'MacOS') {
 856     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
 857
 858     while (<MACSYMS>) {
 859         try_symbol($_);
 860     }
 861
 862     close MACSYMS;
 863 }
 864
 865 # Now all symbols should be defined because
 866 # next we are going to output them.
 867
 868 foreach my $symbol (sort keys %export) {
 869     output_symbol($symbol);
 870 }
 871
 872 sub emit_symbol {
 873     my $symbol = shift;
 874     chomp($symbol);
 875     $export{$symbol} = 1;
 876 }
 877
 878 sub output_symbol {
 879     my $symbol = shift;
 880     $symbol = $bincompat5005{$symbol}
 881         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
 882     if ($PLATFORM eq 'win32') {
 883         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
 884         print "\t$symbol\n";
 885 # XXX: binary compatibility between compilers is an exercise
 886 # in frustration :-(
 887 #        if ($CCTYPE eq "BORLAND") {
 888 #           # workaround Borland quirk by exporting both the straight
 889 #           # name and a name with leading underscore.  Note the
 890 #           # alias *must* come after the symbol itself, if both
 891 #           # are to be exported. (Linker bug?)
 892 #           print "\t_$symbol\n";
 893 #           print "\t$symbol = _$symbol\n";
 894 #       }
 895 #       elsif ($CCTYPE eq 'GCC') {
 896 #           # Symbols have leading _ whole process is $%@"% slow
 897 #           # so skip aliases for now
 898 #           nprint "\t$symbol\n";
 899 #       }
 900 #       else {
 901 #           # for binary coexistence, export both the symbol and
 902 #           # alias with leading underscore
 903 #           print "\t$symbol\n";
 904 #           print "\t_$symbol = $symbol\n";
 905 #       }
 906     }
 907     elsif ($PLATFORM eq 'os2') {
 908         print qq(    "$symbol"\n);
 909     }
 910     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
 911         print "$symbol\n";
 912     }
 913 }
 914
 915 1;
 916 __DATA__
 917 # extra globals not included above.
 918 perl_alloc
 919 perl_alloc_using
 920 perl_clone
 921 perl_clone_using
 922 perl_construct
 923 perl_destruct
 924 perl_free
 925 perl_parse
 926 perl_run
 927 PerlIO_define_layer
 928 PerlIOBuf_set_ptrcnt
 929 PerlIOBuf_get_cnt
 930 PerlIOBuf_get_ptr
 931 PerlIOBuf_bufsiz
 932 PerlIOBase_clearerr
 933 PerlIOBase_setlinebuf
 934 PerlIOBase_pushed
 935 PerlIOBase_read
 936 PerlIOBase_unread
 937 PerlIOBase_error
 938 PerlIOBase_eof
 939 PerlIOBuf_tell
 940 PerlIOBuf_seek
 941 PerlIOBuf_write
 942 PerlIOBuf_unread
 943 PerlIOBuf_read
 944 PerlIOBuf_open
 945 PerlIOBase_fileno
 946 PerlIOBuf_pushed
 947 PerlIOBuf_fill
 948 PerlIOBuf_flush
 949 PerlIOBase_close
 950 PerlIO_define_layer
 951 PerlIO_pending
 952 PerlIO_unread
 953 PerlIO_push
 954 PerlIO_allocate
 955 PerlIO_arg_fetch
 956 PerlIO_apply_layers
 957 perlsio_binmode
 958 PerlIO_binmode
 959 PerlIO_init
 960 PerlIO_tmpfile
 961 PerlIO_setpos
 962 PerlIO_getpos
 963 PerlIO_vsprintf
 964 PerlIO_sprintf