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