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