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