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 #
   7 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   8 # On OS/2 reads miniperl.map as well
   9
  10 my $PLATFORM;
  11 my $CCTYPE;
  12
  13 my %bincompat5005 =
  14       (Perl_call_argv           =>      "perl_call_argv",
  15        Perl_call_method         =>      "perl_call_method",
  16        Perl_call_pv             =>      "perl_call_pv",
  17        Perl_call_sv             =>      "perl_call_sv",
  18        Perl_get_av              =>      "perl_get_av",
  19        Perl_get_cv              =>      "perl_get_cv",
  20        Perl_get_hv              =>      "perl_get_hv",
  21        Perl_get_sv              =>      "perl_get_sv",
  22        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
  23        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
  24        Perl_new_collate         =>      "perl_new_collate",
  25        Perl_new_ctype           =>      "perl_new_ctype",
  26        Perl_new_numeric         =>      "perl_new_numeric",
  27        Perl_require_pv          =>      "perl_require_pv",
  28        Perl_safesyscalloc       =>      "Perl_safecalloc",
  29        Perl_safesysfree         =>      "Perl_safefree",
  30        Perl_safesysmalloc       =>      "Perl_safemalloc",
  31        Perl_safesysrealloc      =>      "Perl_saferealloc",
  32        Perl_set_numeric_local   =>      "perl_set_numeric_local",
  33        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
  34        Perl_malloc              =>      "malloc",
  35        Perl_mfree               =>      "free",
  36        Perl_realloc             =>      "realloc",
  37        Perl_calloc              =>      "calloc",);
  38
  39 my $bincompat5005 = join("|", keys %bincompat5005);
  40
  41 while (@ARGV) {
  42     my $flag = shift;
  43     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  44     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  45     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  46     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  47 }
  48
  49 my @PLATFORM = qw(aix win32 os2);
  50 my %PLATFORM;
  51 @PLATFORM{@PLATFORM} = ();
  52
  53 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  54 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  55
  56 my $config_sh   = "config.sh";
  57 my $config_h    = "config.h";
  58 my $thrdvar_h   = "thrdvar.h";
  59 my $intrpvar_h  = "intrpvar.h";
  60 my $perlvars_h  = "perlvars.h";
  61 my $global_sym  = "global.sym";
  62 my $pp_sym      = "pp.sym";
  63 my $globvar_sym = "globvar.sym";
  64 my $perlio_sym  = "perlio.sym";
  65
  66 if ($PLATFORM eq 'aix') {
  67     # Nothing for now.
  68 }
  69 elsif ($PLATFORM eq 'win32') {
  70     $CCTYPE = "MSVC" unless defined $CCTYPE;
  71     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym, $pp_sym, $globvar_sym) {
  72         s!^!..\\!;
  73     }
  74 }
  75
  76 unless ($PLATFORM eq 'win32') {
  77     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  78     while (<CFG>) {
  79         if (/^(?:ccflags|optimize)='(.+)'$/) {
  80             $_ = $1;
  81             $define{$1} = 1 while /-D(\w+)/g;
  82         }
  83         if ($PLATFORM eq 'os2') {
  84             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
  85             $ARCHNAME = $1 if /^(?:archname)='(.+)'$/;
  86         }
  87     }
  88     close(CFG);
  89 }
  90
  91 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
  92 while (<CFG>) {
  93     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
  94     $define{$1} = 1 if /^\s*#\s*define\s+(USE_5005THREADS)\b/;
  95     $define{$1} = 1 if /^\s*#\s*define\s+(USE_ITHREADS)\b/;
  96     $define{$1} = 1 if /^\s*#\s*define\s+(USE_PERLIO)\b/;
  97     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
  98     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_IMPLICIT_SYS)\b/;
  99     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_BINCOMPAT_5005)\b/;
 100 }
 101 close(CFG);
 102
 103 # perl.h logic duplication begins
 104
 105 if ($define{USE_ITHREADS}) {
 106     if (!$define{MULTIPLICITY} && !defined{PERL_OBJECT}) {
 107         $define{MULTIPLICITY} = 1;
 108     }
 109 }
 110
 111 $define{PERL_IMPLICIT_CONTEXT} ||=
 112     $define{USE_ITHREADS} ||
 113     $define{USE_THREADS}  ||
 114     $define{MULTIPLICITY} ;
 115
 116 if ($define{PERL_CAPI}) {
 117     delete $define{PERL_OBJECT};
 118     $define{MULTIPLICITY} = 1;
 119     $define{PERL_IMPLICIT_CONTEXT} = 1;
 120     $define{PERL_IMPLICIT_SYS}     = 1;
 121 }
 122
 123 if ($define{PERL_OBJECT}) {
 124     $define{PERL_IMPLICIT_CONTEXT} = 1;
 125     $define{PERL_IMPLICIT_SYS}     = 1;
 126 }
 127
 128 # perl.h logic duplication ends
 129
 130 if ($PLATFORM eq 'win32') {
 131     warn join(' ',keys %define)."\n";
 132     print "LIBRARY Perl56\n";
 133     print "DESCRIPTION 'Perl interpreter'\n";
 134     print "EXPORTS\n";
 135     if ($define{PERL_IMPLICIT_SYS}) {
 136         output_symbol("perl_get_host_info");
 137         output_symbol("perl_alloc_override");
 138     }
 139 }
 140 elsif ($PLATFORM eq 'os2') {
 141     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 142     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 143     #$sum = 0;
 144     #for (split //, $v) {
 145     #   $sum = ($sum * 33) + ord;
 146     #   $sum &= 0xffffff;
 147     #}
 148     #$sum += $sum >> 5;
 149     #$sum &= 0xffff;
 150     #$sum = printf '%X', $sum;
 151     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 152     # print STDERR "'$dll' <= '$define{PERL_DLL}'\n";
 153     print <<"---EOP---";
 154 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 155 DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'
 156 STACKSIZE 32768
 157 CODE LOADONCALL
 158 DATA LOADONCALL NONSHARED MULTIPLE
 159 EXPORTS
 160 ---EOP---
 161 }
 162 elsif ($PLATFORM eq 'aix') {
 163     print "#!\n";
 164 }
 165
 166 my %skip;
 167 my %export;
 168
 169 sub skip_symbols {
 170     my $list = shift;
 171     foreach my $symbol (@$list) {
 172         $skip{$symbol} = 1;
 173     }
 174 }
 175
 176 sub emit_symbols {
 177     my $list = shift;
 178     foreach my $symbol (@$list) {
 179         my $skipsym = $symbol;
 180         # XXX hack
 181         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 182             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 183         }
 184         emit_symbol($symbol) unless exists $skip{$skipsym};
 185     }
 186 }
 187
 188 if ($PLATFORM eq 'win32') {
 189     skip_symbols [qw(
 190                      PL_statusvalue_vms
 191                      PL_archpat_auto
 192                      PL_cryptseen
 193                      PL_DBcv
 194                      PL_generation
 195                      PL_lastgotoprobe
 196                      PL_linestart
 197                      PL_modcount
 198                      PL_pending_ident
 199                      PL_sortcxix
 200                      PL_sublex_info
 201                      PL_timesbuf
 202                      main
 203                      Perl_ErrorNo
 204                      Perl_GetVars
 205                      Perl_do_exec3
 206                      Perl_do_ipcctl
 207                      Perl_do_ipcget
 208                      Perl_do_msgrcv
 209                      Perl_do_msgsnd
 210                      Perl_do_semop
 211                      Perl_do_shmio
 212                      Perl_dump_fds
 213                      Perl_init_thread_intern
 214                      Perl_my_bzero
 215                      Perl_my_htonl
 216                      Perl_my_ntohl
 217                      Perl_my_swap
 218                      Perl_my_chsize
 219                      Perl_same_dirent
 220                      Perl_setenv_getix
 221                      Perl_unlnk
 222                      Perl_watch
 223                      Perl_safexcalloc
 224                      Perl_safexmalloc
 225                      Perl_safexfree
 226                      Perl_safexrealloc
 227                      Perl_my_memcmp
 228                      Perl_my_memset
 229                      PL_cshlen
 230                      PL_cshname
 231                      PL_opsave
 232                      Perl_do_exec
 233                      Perl_getenv_len
 234                      Perl_my_pclose
 235                      Perl_my_popen
 236                      )];
 237 }
 238 elsif ($PLATFORM eq 'aix') {
 239     skip_symbols([qw(
 240                      Perl_dump_fds
 241                      Perl_ErrorNo
 242                      Perl_GetVars
 243                      Perl_my_bcopy
 244                      Perl_my_bzero
 245                      Perl_my_chsize
 246                      Perl_my_htonl
 247                      Perl_my_memcmp
 248                      Perl_my_memset
 249                      Perl_my_ntohl
 250                      Perl_my_swap
 251                      Perl_safexcalloc
 252                      Perl_safexfree
 253                      Perl_safexmalloc
 254                      Perl_safexrealloc
 255                      Perl_same_dirent
 256                      Perl_unlnk
 257                      Perl_sys_intern_dup
 258                      PL_cryptseen
 259                      PL_opsave
 260                      PL_statusvalue_vms
 261                      PL_sys_intern
 262                      )]);
 263 }
 264 elsif ($PLATFORM eq 'os2') {
 265     emit_symbols([qw(
 266                     ctermid
 267                     get_sysinfo
 268                     Perl_OS2_init
 269                     OS2_Perl_data
 270                     dlopen
 271                     dlsym
 272                     dlerror
 273                     my_tmpfile
 274                     my_tmpnam
 275                     my_flock
 276                     malloc_mutex
 277                     threads_mutex
 278                     nthreads
 279                     nthreads_cond
 280                     os2_cond_wait
 281                     os2_stat
 282                     pthread_join
 283                     pthread_create
 284                     pthread_detach
 285                     XS_Cwd_change_drive
 286                     XS_Cwd_current_drive
 287                     XS_Cwd_extLibpath
 288                     XS_Cwd_extLibpath_set
 289                     XS_Cwd_sys_abspath
 290                     XS_Cwd_sys_chdir
 291                     XS_Cwd_sys_cwd
 292                     XS_Cwd_sys_is_absolute
 293                     XS_Cwd_sys_is_relative
 294                     XS_Cwd_sys_is_rooted
 295                     XS_DynaLoader_mod2fname
 296                     XS_File__Copy_syscopy
 297                     Perl_Register_MQ
 298                     Perl_Deregister_MQ
 299                     Perl_Serve_Messages
 300                     Perl_Process_Messages
 301                     init_PMWIN_entries
 302                     PMWIN_entries
 303                     Perl_hab_GET
 304                     )]);
 305 }
 306
 307 unless ($define{'DEBUGGING'}) {
 308     skip_symbols [qw(
 309                     Perl_deb
 310                     Perl_deb_growlevel
 311                     Perl_debop
 312                     Perl_debprofdump
 313                     Perl_debstack
 314                     Perl_debstackptrs
 315                     Perl_runops_debug
 316                     Perl_sv_peek
 317                     PL_block_type
 318                     PL_watchaddr
 319                     PL_watchok
 320                     )];
 321 }
 322
 323 if ($define{'PERL_IMPLICIT_SYS'}) {
 324     skip_symbols [qw(
 325                     Perl_getenv_len
 326                     Perl_my_popen
 327                     Perl_my_pclose
 328                     )];
 329 }
 330 else {
 331     skip_symbols [qw(
 332                     PL_Mem
 333                     PL_MemShared
 334                     PL_MemParse
 335                     PL_Env
 336                     PL_StdIO
 337                     PL_LIO
 338                     PL_Dir
 339                     PL_Sock
 340                     PL_Proc
 341                     )];
 342 }
 343
 344 if ($define{'MYMALLOC'}) {
 345     emit_symbols [qw(
 346                     Perl_dump_mstats
 347                     Perl_malloc
 348                     Perl_mfree
 349                     Perl_realloc
 350                     Perl_calloc
 351                     )];
 352     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 353         emit_symbols [qw(
 354                         PL_malloc_mutex
 355                         )];
 356     }
 357 }
 358 else {
 359     skip_symbols [qw(
 360                     PL_malloc_mutex
 361                     Perl_dump_mstats
 362                     Perl_malloc
 363                     Perl_mfree
 364                     Perl_realloc
 365                     Perl_calloc
 366                     Perl_malloced_size
 367                     )];
 368 }
 369
 370 unless ($define{'USE_5005THREADS'}) {
 371     skip_symbols [qw(
 372                     PL_thr_key
 373                     PL_sv_mutex
 374                     PL_strtab_mutex
 375                     PL_svref_mutex
 376                     PL_cred_mutex
 377                     PL_eval_mutex
 378                     PL_eval_cond
 379                     PL_eval_owner
 380                     PL_threads_mutex
 381                     PL_nthreads
 382                     PL_nthreads_cond
 383                     PL_threadnum
 384                     PL_threadsv_names
 385                     PL_thrsv
 386                     PL_vtbl_mutex
 387                     Perl_getTHR
 388                     Perl_setTHR
 389                     Perl_condpair_magic
 390                     Perl_new_struct_thread
 391                     Perl_per_thread_magicals
 392                     Perl_thread_create
 393                     Perl_find_threadsv
 394                     Perl_unlock_condpair
 395                     Perl_magic_mutexfree
 396                     )];
 397 }
 398
 399 unless ($define{'USE_ITHREADS'}) {
 400     skip_symbols [qw(
 401                     PL_ptr_table
 402                     Perl_dirp_dup
 403                     Perl_cx_dup
 404                     Perl_si_dup
 405                     Perl_any_dup
 406                     Perl_ss_dup
 407                     Perl_fp_dup
 408                     Perl_gp_dup
 409                     Perl_he_dup
 410                     Perl_mg_dup
 411                     Perl_re_dup
 412                     Perl_sv_dup
 413                     Perl_sys_intern_dup
 414                     Perl_ptr_table_fetch
 415                     Perl_ptr_table_new
 416                     Perl_ptr_table_split
 417                     Perl_ptr_table_store
 418                     perl_clone
 419                     perl_clone_using
 420                     )];
 421 }
 422
 423 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 424     skip_symbols [qw(
 425                     Perl_croak_nocontext
 426                     Perl_die_nocontext
 427                     Perl_deb_nocontext
 428                     Perl_form_nocontext
 429                     Perl_mess_nocontext
 430                     Perl_warn_nocontext
 431                     Perl_warner_nocontext
 432                     Perl_newSVpvf_nocontext
 433                     Perl_sv_catpvf_nocontext
 434                     Perl_sv_setpvf_nocontext
 435                     Perl_sv_catpvf_mg_nocontext
 436                     Perl_sv_setpvf_mg_nocontext
 437                     )];
 438 }
 439
 440 unless ($define{'PERL_IMPLICIT_SYS'}) {
 441     skip_symbols [qw(
 442                     perl_alloc_using
 443                     perl_clone_using
 444                     )];
 445 }
 446
 447 unless ($define{'FAKE_THREADS'}) {
 448     skip_symbols [qw(PL_curthr)];
 449 }
 450
 451 sub readvar {
 452     my $file = shift;
 453     my $proc = shift || sub { "PL_$_[2]" };
 454     open(VARS,$file) || die "Cannot open $file: $!\n";
 455     my @syms;
 456     while (<VARS>) {
 457         # All symbols have a Perl_ prefix because that's what embed.h
 458         # sticks in front of them.
 459         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 460     }
 461     close(VARS);
 462     return \@syms;
 463 }
 464
 465 if ($define{'USE_5005THREADS'}) {
 466     my $thrd = readvar($thrdvar_h);
 467     skip_symbols $thrd;
 468 }
 469
 470 if ($define{'PERL_GLOBAL_STRUCT'}) {
 471     my $global = readvar($perlvars_h);
 472     skip_symbols $global;
 473     emit_symbol('Perl_GetVars');
 474     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 475 }
 476
 477 # functions from *.sym files
 478
 479 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 480
 481 if ($define{'USE_PERLIO'}) {
 482      push @syms, $perlio_sym;
 483 }
 484
 485 for my $syms (@syms) {
 486     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 487     while (<GLOBAL>) {
 488         next if (!/^[A-Za-z]/);
 489         # Functions have a Perl_ prefix
 490         # Variables have a PL_ prefix
 491         chomp($_);
 492         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 493         $symbol .= $_;
 494         emit_symbol($symbol) unless exists $skip{$symbol};
 495     }
 496     close(GLOBAL);
 497 }
 498
 499 # variables
 500
 501 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 502     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 503         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 504         emit_symbols $glob;
 505     }
 506     # XXX AIX seems to want the perlvars.h symbols, for some reason
 507     if ($PLATFORM eq 'aix') {
 508         my $glob = readvar($perlvars_h);
 509         emit_symbols $glob;
 510     }
 511 }
 512 else {
 513     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 514         my $glob = readvar($perlvars_h);
 515         emit_symbols $glob;
 516     }
 517     unless ($define{'MULTIPLICITY'}) {
 518         my $glob = readvar($intrpvar_h);
 519         emit_symbols $glob;
 520     }
 521     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 522         my $glob = readvar($thrdvar_h);
 523         emit_symbols $glob;
 524     }
 525 }
 526
 527 sub try_symbol {
 528     my $symbol = shift;
 529
 530     return if $symbol !~ /^[A-Za-z]/;
 531     return if $symbol =~ /^\#/;
 532     $symbol =~s/\r//g;
 533     chomp($symbol);
 534     return if exists $skip{$symbol};
 535     emit_symbol($symbol);
 536 }
 537
 538 while (<DATA>) {
 539     try_symbol($_);
 540 }
 541
 542 if ($PLATFORM eq 'win32') {
 543     foreach my $symbol (qw(
 544                             boot_DynaLoader
 545                             Perl_getTHR
 546                             Perl_init_os_extras
 547                             Perl_setTHR
 548                             Perl_thread_create
 549                             Perl_win32_init
 550                             RunPerl
 551                             GetPerlInterpreter
 552                             SetPerlInterpreter
 553                             win32_errno
 554                             win32_environ
 555                             win32_stdin
 556                             win32_stdout
 557                             win32_stderr
 558                             win32_ferror
 559                             win32_feof
 560                             win32_strerror
 561                             win32_fprintf
 562                             win32_printf
 563                             win32_vfprintf
 564                             win32_vprintf
 565                             win32_fread
 566                             win32_fwrite
 567                             win32_fopen
 568                             win32_fdopen
 569                             win32_freopen
 570                             win32_fclose
 571                             win32_fputs
 572                             win32_fputc
 573                             win32_ungetc
 574                             win32_getc
 575                             win32_fileno
 576                             win32_clearerr
 577                             win32_fflush
 578                             win32_ftell
 579                             win32_fseek
 580                             win32_fgetpos
 581                             win32_fsetpos
 582                             win32_rewind
 583                             win32_tmpfile
 584                             win32_abort
 585                             win32_fstat
 586                             win32_stat
 587                             win32_pipe
 588                             win32_popen
 589                             win32_pclose
 590                             win32_rename
 591                             win32_setmode
 592                             win32_lseek
 593                             win32_tell
 594                             win32_dup
 595                             win32_dup2
 596                             win32_open
 597                             win32_close
 598                             win32_eof
 599                             win32_read
 600                             win32_write
 601                             win32_spawnvp
 602                             win32_mkdir
 603                             win32_rmdir
 604                             win32_chdir
 605                             win32_flock
 606                             win32_execv
 607                             win32_execvp
 608                             win32_htons
 609                             win32_ntohs
 610                             win32_htonl
 611                             win32_ntohl
 612                             win32_inet_addr
 613                             win32_inet_ntoa
 614                             win32_socket
 615                             win32_bind
 616                             win32_listen
 617                             win32_accept
 618                             win32_connect
 619                             win32_send
 620                             win32_sendto
 621                             win32_recv
 622                             win32_recvfrom
 623                             win32_shutdown
 624                             win32_closesocket
 625                             win32_ioctlsocket
 626                             win32_setsockopt
 627                             win32_getsockopt
 628                             win32_getpeername
 629                             win32_getsockname
 630                             win32_gethostname
 631                             win32_gethostbyname
 632                             win32_gethostbyaddr
 633                             win32_getprotobyname
 634                             win32_getprotobynumber
 635                             win32_getservbyname
 636                             win32_getservbyport
 637                             win32_select
 638                             win32_endhostent
 639                             win32_endnetent
 640                             win32_endprotoent
 641                             win32_endservent
 642                             win32_getnetent
 643                             win32_getnetbyname
 644                             win32_getnetbyaddr
 645                             win32_getprotoent
 646                             win32_getservent
 647                             win32_sethostent
 648                             win32_setnetent
 649                             win32_setprotoent
 650                             win32_setservent
 651                             win32_getenv
 652                             win32_putenv
 653                             win32_perror
 654                             win32_setbuf
 655                             win32_setvbuf
 656                             win32_flushall
 657                             win32_fcloseall
 658                             win32_fgets
 659                             win32_gets
 660                             win32_fgetc
 661                             win32_putc
 662                             win32_puts
 663                             win32_getchar
 664                             win32_putchar
 665                             win32_malloc
 666                             win32_calloc
 667                             win32_realloc
 668                             win32_free
 669                             win32_sleep
 670                             win32_times
 671                             win32_access
 672                             win32_alarm
 673                             win32_chmod
 674                             win32_open_osfhandle
 675                             win32_get_osfhandle
 676                             win32_ioctl
 677                             win32_link
 678                             win32_unlink
 679                             win32_utime
 680                             win32_uname
 681                             win32_wait
 682                             win32_waitpid
 683                             win32_kill
 684                             win32_str_os_error
 685                             win32_opendir
 686                             win32_readdir
 687                             win32_telldir
 688                             win32_seekdir
 689                             win32_rewinddir
 690                             win32_closedir
 691                             win32_longpath
 692                             win32_os_id
 693                             win32_getpid
 694                             win32_crypt
 695                             win32_dynaload
 696                            ))
 697     {
 698         try_symbol($symbol);
 699     }
 700 }
 701 elsif ($PLATFORM eq 'os2') {
 702     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 703     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 704     close MAP or die 'Cannot close miniperl.map';
 705
 706     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 707                     keys %export;
 708     delete $export{$_} foreach @missing;
 709 }
 710
 711 # Now all symbols should be defined because
 712 # next we are going to output them.
 713
 714 foreach my $symbol (sort keys %export) {
 715     output_symbol($symbol);
 716 }
 717
 718 sub emit_symbol {
 719     my $symbol = shift;
 720     chomp($symbol);
 721     $export{$symbol} = 1;
 722 }
 723
 724 sub output_symbol {
 725     my $symbol = shift;
 726     $symbol = $bincompat5005{$symbol}
 727         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
 728     if ($PLATFORM eq 'win32') {
 729         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
 730         print "\t$symbol\n";
 731 # XXX: binary compatibility between compilers is an exercise
 732 # in frustration :-(
 733 #        if ($CCTYPE eq "BORLAND") {
 734 #           # workaround Borland quirk by exporting both the straight
 735 #           # name and a name with leading underscore.  Note the
 736 #           # alias *must* come after the symbol itself, if both
 737 #           # are to be exported. (Linker bug?)
 738 #           print "\t_$symbol\n";
 739 #           print "\t$symbol = _$symbol\n";
 740 #       }
 741 #       elsif ($CCTYPE eq 'GCC') {
 742 #           # Symbols have leading _ whole process is $%@"% slow
 743 #           # so skip aliases for now
 744 #           nprint "\t$symbol\n";
 745 #       }
 746 #       else {
 747 #           # for binary coexistence, export both the symbol and
 748 #           # alias with leading underscore
 749 #           print "\t$symbol\n";
 750 #           print "\t_$symbol = $symbol\n";
 751 #       }
 752     }
 753     elsif ($PLATFORM eq 'os2') {
 754         print qq(    "$symbol"\n);
 755     }
 756     elsif ($PLATFORM eq 'aix') {
 757         print "$symbol\n";
 758     }
 759 }
 760
 761 1;
 762 __DATA__
 763 # extra globals not included above.
 764 perl_alloc
 765 perl_alloc_using
 766 perl_clone
 767 perl_clone_using
 768 perl_construct
 769 perl_destruct
 770 perl_free
 771 perl_parse
 772 perl_run