makedef.pl

   1 #
   2 # Create the export list for perl.
   3 #
   4 # Needed by WIN32 and OS/2 for creating perl.dll,
   5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   6 # and by MacOS Classic.
   7 #
   8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   9 # On OS/2 reads miniperl.map and the previous version of perl5.def as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 while (@ARGV) {
  15     my $flag = shift;
  16     if ($flag =~ s/^CC_FLAGS=/ /) {
  17         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  18             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  19             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  20         }
  21         next;
  22     }
  23     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  24     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  25     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  26     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  27     if ($PLATFORM eq 'netware') {
  28         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  29     }
  30 }
  31
  32 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  33 my %PLATFORM;
  34 @PLATFORM{@PLATFORM} = ();
  35
  36 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  37 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  38
  39 my %exportperlmalloc =
  40     (
  41        Perl_malloc              =>      "malloc",
  42        Perl_mfree               =>      "free",
  43        Perl_realloc             =>      "realloc",
  44        Perl_calloc              =>      "calloc",
  45     );
  46
  47 my $exportperlmalloc = $PLATFORM eq 'os2';
  48
  49 my $config_sh   = "config.sh";
  50 my $config_h    = "config.h";
  51 my $thrdvar_h   = "thrdvar.h";
  52 my $intrpvar_h  = "intrpvar.h";
  53 my $perlvars_h  = "perlvars.h";
  54 my $global_sym  = "global.sym";
  55 my $pp_sym      = "pp.sym";
  56 my $globvar_sym = "globvar.sym";
  57 my $perlio_sym  = "perlio.sym";
  58
  59 if ($PLATFORM eq 'aix') {
  60     # Nothing for now.
  61 }
  62 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  63     $CCTYPE = "MSVC" unless defined $CCTYPE;
  64     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  65                 $pp_sym, $globvar_sym, $perlio_sym) {
  66         s!^!..\\!;
  67     }
  68 }
  69 elsif ($PLATFORM eq 'MacOS') {
  70     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  71                 $pp_sym, $globvar_sym, $perlio_sym) {
  72         s!^!::!;
  73     }
  74 }
  75
  76 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  77     open(CFG,$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             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
  87         }
  88     }
  89     close(CFG);
  90 }
  91
  92 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
  93 while (<CFG>) {
  94     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
  95     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
  96     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
  97     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
  98 }
  99 close(CFG);
 100
 101 # perl.h logic duplication begins
 102
 103 if ($define{PERL_IMPLICIT_SYS}) {
 104     $define{PL_OP_SLAB_ALLOC} = 1;
 105 }
 106
 107 if ($define{USE_ITHREADS}) {
 108     if (!$define{MULTIPLICITY}) {
 109         $define{MULTIPLICITY} = 1;
 110     }
 111 }
 112
 113 $define{PERL_IMPLICIT_CONTEXT} ||=
 114     $define{USE_ITHREADS} ||
 115     $define{MULTIPLICITY} ;
 116
 117 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 118     $define{USE_REENTRANT_API} = 1;
 119 }
 120
 121 # perl.h logic duplication ends
 122
 123 my $sym_ord = 0;
 124
 125 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 126     warn join(' ',keys %define)."\n";
 127     ($dll = ($define{PERL_DLL} || "perl59")) =~ s/\.dll$//i;
 128     print "LIBRARY $dll\n";
 129     print "DESCRIPTION 'Perl interpreter'\n";
 130     print "EXPORTS\n";
 131     if ($define{PERL_IMPLICIT_SYS}) {
 132         output_symbol("perl_get_host_info");
 133         output_symbol("perl_alloc_override");
 134     }
 135     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 136         output_symbol("perl_clone_host");
 137     }
 138 }
 139 elsif ($PLATFORM eq 'os2') {
 140     if (open my $fh, '<', 'perl5.def') {
 141       while (<$fh>) {
 142         last if /^\s*EXPORTS\b/;
 143       }
 144       while (<$fh>) {
 145         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 146         # This allows skipping ordinals which were used in older versions
 147         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 148       }
 149       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 150     }
 151     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 152     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 153     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 154     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 155     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 156     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 157     print <<"---EOP---";
 158 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 159 $d
 160 STACKSIZE 32768
 161 CODE LOADONCALL
 162 DATA LOADONCALL NONSHARED MULTIPLE
 163 EXPORTS
 164 ---EOP---
 165 }
 166 elsif ($PLATFORM eq 'aix') {
 167     $OSVER = `uname -v`;
 168     chop $OSVER;
 169     $OSREL = `uname -r`;
 170     chop $OSREL;
 171     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 172         print "#! ..\n";
 173     } else {
 174         print "#!\n";
 175     }
 176 }
 177 elsif ($PLATFORM eq 'netware') {
 178         if ($FILETYPE eq 'def') {
 179         print "LIBRARY perl59\n";
 180         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 181         print "EXPORTS\n";
 182         }
 183         if ($define{PERL_IMPLICIT_SYS}) {
 184             output_symbol("perl_get_host_info");
 185             output_symbol("perl_alloc_override");
 186             output_symbol("perl_clone_host");
 187         }
 188 }
 189
 190 my %skip;
 191 my %export;
 192
 193 sub skip_symbols {
 194     my $list = shift;
 195     foreach my $symbol (@$list) {
 196         $skip{$symbol} = 1;
 197     }
 198 }
 199
 200 sub emit_symbols {
 201     my $list = shift;
 202     foreach my $symbol (@$list) {
 203         my $skipsym = $symbol;
 204         # XXX hack
 205         if ($define{MULTIPLICITY}) {
 206             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 207         }
 208         emit_symbol($symbol) unless exists $skip{$skipsym};
 209     }
 210 }
 211
 212 if ($PLATFORM eq 'win32') {
 213     skip_symbols [qw(
 214                      PL_statusvalue_vms
 215                      PL_archpat_auto
 216                      PL_cryptseen
 217                      PL_DBcv
 218                      PL_generation
 219                      PL_lastgotoprobe
 220                      PL_linestart
 221                      PL_modcount
 222                      PL_pending_ident
 223                      PL_sortcxix
 224                      PL_sublex_info
 225                      PL_timesbuf
 226                      main
 227                      Perl_ErrorNo
 228                      Perl_GetVars
 229                      Perl_do_exec3
 230                      Perl_do_ipcctl
 231                      Perl_do_ipcget
 232                      Perl_do_msgrcv
 233                      Perl_do_msgsnd
 234                      Perl_do_semop
 235                      Perl_do_shmio
 236                      Perl_dump_fds
 237                      Perl_init_thread_intern
 238                      Perl_my_bzero
 239                      Perl_my_bcopy
 240                      Perl_my_htonl
 241                      Perl_my_ntohl
 242                      Perl_my_swap
 243                      Perl_my_chsize
 244                      Perl_same_dirent
 245                      Perl_setenv_getix
 246                      Perl_unlnk
 247                      Perl_watch
 248                      Perl_safexcalloc
 249                      Perl_safexmalloc
 250                      Perl_safexfree
 251                      Perl_safexrealloc
 252                      Perl_my_memcmp
 253                      Perl_my_memset
 254                      PL_cshlen
 255                      PL_cshname
 256                      PL_opsave
 257                      Perl_do_exec
 258                      Perl_getenv_len
 259                      Perl_my_pclose
 260                      Perl_my_popen
 261                      )];
 262 }
 263 else {
 264     skip_symbols [qw(
 265                      Perl_do_spawn
 266                      Perl_do_spawn_nowait
 267                      Perl_do_aspawn
 268                      )];
 269 }
 270 if ($PLATFORM eq 'wince') {
 271     skip_symbols [qw(
 272                      PL_statusvalue_vms
 273                      PL_archpat_auto
 274                      PL_cryptseen
 275                      PL_DBcv
 276                      PL_generation
 277                      PL_lastgotoprobe
 278                      PL_linestart
 279                      PL_modcount
 280                      PL_pending_ident
 281                      PL_sortcxix
 282                      PL_sublex_info
 283                      PL_timesbuf
 284                      PL_collation_ix
 285                      PL_collation_name
 286                      PL_collation_standard
 287                      PL_collxfrm_base
 288                      PL_collxfrm_mult
 289                      PL_numeric_compat1
 290                      PL_numeric_local
 291                      PL_numeric_name
 292                      PL_numeric_radix_sv
 293                      PL_numeric_standard
 294                      PL_vtbl_collxfrm
 295                      Perl_sv_collxfrm
 296                      setgid
 297                      setuid
 298                      win32_free_childdir
 299                      win32_free_childenv
 300                      win32_get_childdir
 301                      win32_get_childenv
 302                      win32_spawnvp
 303                      main
 304                      Perl_ErrorNo
 305                      Perl_GetVars
 306                      Perl_do_exec3
 307                      Perl_do_ipcctl
 308                      Perl_do_ipcget
 309                      Perl_do_msgrcv
 310                      Perl_do_msgsnd
 311                      Perl_do_semop
 312                      Perl_do_shmio
 313                      Perl_dump_fds
 314                      Perl_init_thread_intern
 315                      Perl_my_bzero
 316                      Perl_my_bcopy
 317                      Perl_my_htonl
 318                      Perl_my_ntohl
 319                      Perl_my_swap
 320                      Perl_my_chsize
 321                      Perl_same_dirent
 322                      Perl_setenv_getix
 323                      Perl_unlnk
 324                      Perl_watch
 325                      Perl_safexcalloc
 326                      Perl_safexmalloc
 327                      Perl_safexfree
 328                      Perl_safexrealloc
 329                      Perl_my_memcmp
 330                      Perl_my_memset
 331                      PL_cshlen
 332                      PL_cshname
 333                      PL_opsave
 334                      Perl_do_exec
 335                      Perl_getenv_len
 336                      Perl_my_pclose
 337                      Perl_my_popen
 338                      )];
 339 }
 340 elsif ($PLATFORM eq 'aix') {
 341     skip_symbols([qw(
 342                      Perl_dump_fds
 343                      Perl_ErrorNo
 344                      Perl_GetVars
 345                      Perl_my_bcopy
 346                      Perl_my_bzero
 347                      Perl_my_chsize
 348                      Perl_my_htonl
 349                      Perl_my_memcmp
 350                      Perl_my_memset
 351                      Perl_my_ntohl
 352                      Perl_my_swap
 353                      Perl_safexcalloc
 354                      Perl_safexfree
 355                      Perl_safexmalloc
 356                      Perl_safexrealloc
 357                      Perl_same_dirent
 358                      Perl_unlnk
 359                      Perl_sys_intern_clear
 360                      Perl_sys_intern_dup
 361                      Perl_sys_intern_init
 362                      PL_cryptseen
 363                      PL_opsave
 364                      PL_statusvalue_vms
 365                      PL_sys_intern
 366                      )]);
 367 }
 368 elsif ($PLATFORM eq 'os2') {
 369     emit_symbols([qw(
 370                     ctermid
 371                     get_sysinfo
 372                     Perl_OS2_init
 373                     Perl_OS2_init3
 374                     Perl_OS2_term
 375                     OS2_Perl_data
 376                     dlopen
 377                     dlsym
 378                     dlerror
 379                     dlclose
 380                     my_tmpfile
 381                     my_tmpnam
 382                     my_flock
 383                     my_rmdir
 384                     my_mkdir
 385                     my_getpwuid
 386                     my_getpwnam
 387                     my_getpwent
 388                     my_setpwent
 389                     my_endpwent
 390                     fork_with_resources
 391                     croak_with_os2error
 392                     setgrent
 393                     endgrent
 394                     getgrent
 395                     malloc_mutex
 396                     threads_mutex
 397                     nthreads
 398                     nthreads_cond
 399                     os2_cond_wait
 400                     os2_stat
 401                     pthread_join
 402                     pthread_create
 403                     pthread_detach
 404                     XS_Cwd_change_drive
 405                     XS_Cwd_current_drive
 406                     XS_Cwd_extLibpath
 407                     XS_Cwd_extLibpath_set
 408                     XS_Cwd_sys_abspath
 409                     XS_Cwd_sys_chdir
 410                     XS_Cwd_sys_cwd
 411                     XS_Cwd_sys_is_absolute
 412                     XS_Cwd_sys_is_relative
 413                     XS_Cwd_sys_is_rooted
 414                     XS_DynaLoader_mod2fname
 415                     XS_File__Copy_syscopy
 416                     Perl_Register_MQ
 417                     Perl_Deregister_MQ
 418                     Perl_Serve_Messages
 419                     Perl_Process_Messages
 420                     init_PMWIN_entries
 421                     PMWIN_entries
 422                     Perl_hab_GET
 423                     loadByOrdinal
 424                     pExtFCN
 425                     os2error
 426                     ResetWinError
 427                     CroakWinError
 428                     PL_do_undump
 429                     )]);
 430     emit_symbols([qw(os2_cond_wait
 431                      pthread_join
 432                      pthread_create
 433                      pthread_detach
 434                     )])
 435       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 436 }
 437 elsif ($PLATFORM eq 'MacOS') {
 438     skip_symbols [qw(
 439                     Perl_GetVars
 440                     PL_cryptseen
 441                     PL_cshlen
 442                     PL_cshname
 443                     PL_statusvalue_vms
 444                     PL_sys_intern
 445                     PL_opsave
 446                     PL_timesbuf
 447                     Perl_dump_fds
 448                     Perl_my_bcopy
 449                     Perl_my_bzero
 450                     Perl_my_chsize
 451                     Perl_my_htonl
 452                     Perl_my_memcmp
 453                     Perl_my_memset
 454                     Perl_my_ntohl
 455                     Perl_my_swap
 456                     Perl_safexcalloc
 457                     Perl_safexfree
 458                     Perl_safexmalloc
 459                     Perl_safexrealloc
 460                     Perl_unlnk
 461                     Perl_sys_intern_clear
 462                     Perl_sys_intern_init
 463                     )];
 464 }
 465 elsif ($PLATFORM eq 'netware') {
 466         skip_symbols [qw(
 467                         PL_statusvalue_vms
 468                         PL_archpat_auto
 469                         PL_cryptseen
 470                         PL_DBcv
 471                         PL_generation
 472                         PL_lastgotoprobe
 473                         PL_linestart
 474                         PL_modcount
 475                         PL_pending_ident
 476                         PL_sortcxix
 477                         PL_sublex_info
 478                         PL_timesbuf
 479                         main
 480                         Perl_ErrorNo
 481                         Perl_GetVars
 482                         Perl_do_exec3
 483                         Perl_do_ipcctl
 484                         Perl_do_ipcget
 485                         Perl_do_msgrcv
 486                         Perl_do_msgsnd
 487                         Perl_do_semop
 488                         Perl_do_shmio
 489                         Perl_dump_fds
 490                         Perl_init_thread_intern
 491                         Perl_my_bzero
 492                         Perl_my_htonl
 493                         Perl_my_ntohl
 494                         Perl_my_swap
 495                         Perl_my_chsize
 496                         Perl_same_dirent
 497                         Perl_setenv_getix
 498                         Perl_unlnk
 499                         Perl_watch
 500                         Perl_safexcalloc
 501                         Perl_safexmalloc
 502                         Perl_safexfree
 503                         Perl_safexrealloc
 504                         Perl_my_memcmp
 505                         Perl_my_memset
 506                         PL_cshlen
 507                         PL_cshname
 508                         PL_opsave
 509                         Perl_do_exec
 510                         Perl_getenv_len
 511                         Perl_my_pclose
 512                         Perl_my_popen
 513                         Perl_sys_intern_init
 514                         Perl_sys_intern_dup
 515                         Perl_sys_intern_clear
 516                         Perl_my_bcopy
 517                         Perl_PerlIO_write
 518                         Perl_PerlIO_unread
 519                         Perl_PerlIO_tell
 520                         Perl_PerlIO_stdout
 521                         Perl_PerlIO_stdin
 522                         Perl_PerlIO_stderr
 523                         Perl_PerlIO_setlinebuf
 524                         Perl_PerlIO_set_ptrcnt
 525                         Perl_PerlIO_set_cnt
 526                         Perl_PerlIO_seek
 527                         Perl_PerlIO_read
 528                         Perl_PerlIO_get_ptr
 529                         Perl_PerlIO_get_cnt
 530                         Perl_PerlIO_get_bufsiz
 531                         Perl_PerlIO_get_base
 532                         Perl_PerlIO_flush
 533                         Perl_PerlIO_fill
 534                         Perl_PerlIO_fileno
 535                         Perl_PerlIO_error
 536                         Perl_PerlIO_eof
 537                         Perl_PerlIO_close
 538                         Perl_PerlIO_clearerr
 539                         PerlIO_perlio
 540                         )];
 541 }
 542
 543 unless ($define{'DEBUGGING'}) {
 544     skip_symbols [qw(
 545                     Perl_deb_growlevel
 546                     Perl_debop
 547                     Perl_debprofdump
 548                     Perl_debstack
 549                     Perl_debstackptrs
 550                     Perl_sv_peek
 551                     PL_block_type
 552                     PL_watchaddr
 553                     PL_watchok
 554                     )];
 555 }
 556
 557 if ($define{'PERL_IMPLICIT_SYS'}) {
 558     skip_symbols [qw(
 559                     Perl_getenv_len
 560                     Perl_my_popen
 561                     Perl_my_pclose
 562                     )];
 563 }
 564 else {
 565     skip_symbols [qw(
 566                     PL_Mem
 567                     PL_MemShared
 568                     PL_MemParse
 569                     PL_Env
 570                     PL_StdIO
 571                     PL_LIO
 572                     PL_Dir
 573                     PL_Sock
 574                     PL_Proc
 575                     )];
 576 }
 577
 578 unless ($define{'PERL_COPY_ON_WRITE'}) {
 579     skip_symbols [qw(
 580                     Perl_sv_setsv_cow
 581                     Perl_sv_release_IVX
 582                   )];
 583 }
 584
 585 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 586     skip_symbols [qw(
 587                     PL_protect
 588                     Perl_default_protect
 589                     Perl_vdefault_protect
 590                     )];
 591 }
 592
 593 unless ($define{'USE_REENTRANT_API'}) {
 594     skip_symbols [qw(
 595                     PL_reentrant_buffer
 596                     )];
 597 }
 598
 599 if ($define{'MYMALLOC'}) {
 600     emit_symbols [qw(
 601                     Perl_dump_mstats
 602                     Perl_get_mstats
 603                     Perl_strdup
 604                     Perl_putenv
 605                     MallocCfg_ptr
 606                     MallocCfgP_ptr
 607                     )];
 608     if ($define{'USE_ITHREADS'}) {
 609         emit_symbols [qw(
 610                         PL_malloc_mutex
 611                         )];
 612     }
 613     else {
 614         skip_symbols [qw(
 615                         PL_malloc_mutex
 616                         )];
 617     }
 618 }
 619 else {
 620     skip_symbols [qw(
 621                     PL_malloc_mutex
 622                     Perl_dump_mstats
 623                     Perl_get_mstats
 624                     Perl_malloced_size
 625                     MallocCfg_ptr
 626                     MallocCfgP_ptr
 627                     )];
 628 }
 629
 630 unless ($define{'USE_ITHREADS'}) {
 631     skip_symbols [qw(
 632                     PL_thr_key
 633                     )];
 634 }
 635
 636 # USE_5005THREADS symbols. Kept as reference for easier removal
 637     skip_symbols [qw(
 638                     PL_sv_mutex
 639                     PL_strtab_mutex
 640                     PL_svref_mutex
 641                     PL_cred_mutex
 642                     PL_eval_mutex
 643                     PL_fdpid_mutex
 644                     PL_sv_lock_mutex
 645                     PL_eval_cond
 646                     PL_eval_owner
 647                     PL_threads_mutex
 648                     PL_nthreads
 649                     PL_nthreads_cond
 650                     PL_threadnum
 651                     PL_threadsv_names
 652                     PL_thrsv
 653                     PL_vtbl_mutex
 654                     Perl_condpair_magic
 655                     Perl_new_struct_thread
 656                     Perl_per_thread_magicals
 657                     Perl_thread_create
 658                     Perl_find_threadsv
 659                     Perl_unlock_condpair
 660                     Perl_magic_mutexfree
 661                     Perl_sv_lock
 662                     )];
 663
 664 unless ($define{'USE_ITHREADS'}) {
 665     skip_symbols [qw(
 666                     PL_ptr_table
 667                     PL_op_mutex
 668                     PL_regex_pad
 669                     PL_regex_padav
 670                     PL_sharedsv_space
 671                     PL_sharedsv_space_mutex
 672                     PL_dollarzero_mutex
 673                     Perl_dirp_dup
 674                     Perl_cx_dup
 675                     Perl_si_dup
 676                     Perl_any_dup
 677                     Perl_ss_dup
 678                     Perl_fp_dup
 679                     Perl_gp_dup
 680                     Perl_he_dup
 681                     Perl_mg_dup
 682                     Perl_re_dup
 683                     Perl_sv_dup
 684                     Perl_sys_intern_dup
 685                     Perl_ptr_table_clear
 686                     Perl_ptr_table_fetch
 687                     Perl_ptr_table_free
 688                     Perl_ptr_table_new
 689                     Perl_ptr_table_clear
 690                     Perl_ptr_table_free
 691                     Perl_ptr_table_split
 692                     Perl_ptr_table_store
 693                     perl_clone
 694                     perl_clone_using
 695                     Perl_sharedsv_find
 696                     Perl_sharedsv_init
 697                     Perl_sharedsv_lock
 698                     Perl_sharedsv_new
 699                     Perl_sharedsv_thrcnt_dec
 700                     Perl_sharedsv_thrcnt_inc
 701                     Perl_sharedsv_unlock
 702                     )];
 703 }
 704
 705 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 706     skip_symbols [qw(
 707                     Perl_croak_nocontext
 708                     Perl_die_nocontext
 709                     Perl_deb_nocontext
 710                     Perl_form_nocontext
 711                     Perl_load_module_nocontext
 712                     Perl_mess_nocontext
 713                     Perl_warn_nocontext
 714                     Perl_warner_nocontext
 715                     Perl_newSVpvf_nocontext
 716                     Perl_sv_catpvf_nocontext
 717                     Perl_sv_setpvf_nocontext
 718                     Perl_sv_catpvf_mg_nocontext
 719                     Perl_sv_setpvf_mg_nocontext
 720                     )];
 721 }
 722
 723 unless ($define{'PERL_IMPLICIT_SYS'}) {
 724     skip_symbols [qw(
 725                     perl_alloc_using
 726                     perl_clone_using
 727                     )];
 728 }
 729
 730 unless ($define{'FAKE_THREADS'}) {
 731     skip_symbols [qw(PL_curthr)];
 732 }
 733
 734 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 735     skip_symbols [qw(
 736                      PL_OpPtr
 737                      PL_OpSlab
 738                      PL_OpSpace
 739                     )];
 740 }
 741
 742 unless ($define{'THREADS_HAVE_PIDS'}) {
 743     skip_symbols [qw(PL_ppid)];
 744 }
 745
 746 sub readvar {
 747     my $file = shift;
 748     my $proc = shift || sub { "PL_$_[2]" };
 749     open(VARS,$file) || die "Cannot open $file: $!\n";
 750     my @syms;
 751     while (<VARS>) {
 752         # All symbols have a Perl_ prefix because that's what embed.h
 753         # sticks in front of them.
 754         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 755     }
 756     close(VARS);
 757     return \@syms;
 758 }
 759
 760 if ($define{'PERL_GLOBAL_STRUCT'}) {
 761     my $global = readvar($perlvars_h);
 762     skip_symbols $global;
 763     emit_symbol('Perl_GetVars');
 764     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 765 }
 766
 767 # functions from *.sym files
 768
 769 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 770
 771 # Symbols that are the public face of the PerlIO layers implementation
 772 # These are in _addition to_ the public face of the abstraction
 773 # and need to be exported to allow XS modules to implement layers
 774 my @layer_syms = qw(
 775                     PerlIOBase_binmode
 776                     PerlIOBase_clearerr
 777                     PerlIOBase_close
 778                     PerlIOBase_dup
 779                     PerlIOBase_eof
 780                     PerlIOBase_error
 781                     PerlIOBase_fileno
 782                     PerlIOBase_noop_fail
 783                     PerlIOBase_noop_ok
 784                     PerlIOBase_popped
 785                     PerlIOBase_pushed
 786                     PerlIOBase_read
 787                     PerlIOBase_setlinebuf
 788                     PerlIOBase_unread
 789                     PerlIOBuf_bufsiz
 790                     PerlIOBuf_close
 791                     PerlIOBuf_dup
 792                     PerlIOBuf_fill
 793                     PerlIOBuf_flush
 794                     PerlIOBuf_get_base
 795                     PerlIOBuf_get_cnt
 796                     PerlIOBuf_get_ptr
 797                     PerlIOBuf_open
 798                     PerlIOBuf_popped
 799                     PerlIOBuf_pushed
 800                     PerlIOBuf_read
 801                     PerlIOBuf_seek
 802                     PerlIOBuf_set_ptrcnt
 803                     PerlIOBuf_tell
 804                     PerlIOBuf_unread
 805                     PerlIOBuf_write
 806                     PerlIO_allocate
 807                     PerlIO_apply_layera
 808                     PerlIO_apply_layers
 809                     PerlIO_arg_fetch
 810                     PerlIO_debug
 811                     PerlIO_define_layer
 812                     PerlIO_isutf8
 813                     PerlIO_layer_fetch
 814                     PerlIO_list_free
 815                     PerlIO_modestr
 816                     PerlIO_parse_layers
 817                     PerlIO_pending
 818                     PerlIO_perlio
 819                     PerlIO_pop
 820                     PerlIO_push
 821                     PerlIO_sv_dup
 822                     Perl_PerlIO_clearerr
 823                     Perl_PerlIO_close
 824                     Perl_PerlIO_eof
 825                     Perl_PerlIO_error
 826                     Perl_PerlIO_fileno
 827                     Perl_PerlIO_fill
 828                     Perl_PerlIO_flush
 829                     Perl_PerlIO_get_base
 830                     Perl_PerlIO_get_bufsiz
 831                     Perl_PerlIO_get_cnt
 832                     Perl_PerlIO_get_ptr
 833                     Perl_PerlIO_read
 834                     Perl_PerlIO_seek
 835                     Perl_PerlIO_set_cnt
 836                     Perl_PerlIO_set_ptrcnt
 837                     Perl_PerlIO_setlinebuf
 838                     Perl_PerlIO_stderr
 839                     Perl_PerlIO_stdin
 840                     Perl_PerlIO_stdout
 841                     Perl_PerlIO_tell
 842                     Perl_PerlIO_unread
 843                     Perl_PerlIO_write
 844 );
 845 if ($PLATFORM eq 'netware') {
 846     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 847 }
 848
 849 if ($define{'USE_PERLIO'}) {
 850     # Export the symols that make up the PerlIO abstraction, regardless
 851     # of its implementation - read from a file
 852     push @syms, $perlio_sym;
 853
 854     # This part is then dependent on how the abstraction is implemented
 855     if ($define{'USE_SFIO'}) {
 856         # Old legacy non-stdio "PerlIO"
 857         skip_symbols \@layer_syms;
 858         # SFIO defines most of the PerlIO routines as macros
 859         # So undo most of what $perlio_sym has just done - d'oh !
 860         # Perhaps it would be better to list the ones which do exist
 861         # And emit them
 862         skip_symbols [qw(
 863                          PerlIO_canset_cnt
 864                          PerlIO_clearerr
 865                          PerlIO_close
 866                          PerlIO_eof
 867                          PerlIO_error
 868                          PerlIO_exportFILE
 869                          PerlIO_fast_gets
 870                          PerlIO_fdopen
 871                          PerlIO_fileno
 872                          PerlIO_findFILE
 873                          PerlIO_flush
 874                          PerlIO_get_base
 875                          PerlIO_get_bufsiz
 876                          PerlIO_get_cnt
 877                          PerlIO_get_ptr
 878                          PerlIO_getc
 879                          PerlIO_getname
 880                          PerlIO_has_base
 881                          PerlIO_has_cntptr
 882                          PerlIO_importFILE
 883                          PerlIO_open
 884                          PerlIO_printf
 885                          PerlIO_putc
 886                          PerlIO_puts
 887                          PerlIO_read
 888                          PerlIO_releaseFILE
 889                          PerlIO_reopen
 890                          PerlIO_rewind
 891                          PerlIO_seek
 892                          PerlIO_set_cnt
 893                          PerlIO_set_ptrcnt
 894                          PerlIO_setlinebuf
 895                          PerlIO_sprintf
 896                          PerlIO_stderr
 897                          PerlIO_stdin
 898                          PerlIO_stdout
 899                          PerlIO_stdoutf
 900                          PerlIO_tell
 901                          PerlIO_ungetc
 902                          PerlIO_vprintf
 903                          PerlIO_write
 904                          PerlIO_perlio
 905                          Perl_PerlIO_clearerr
 906                          Perl_PerlIO_close
 907                          Perl_PerlIO_eof
 908                          Perl_PerlIO_error
 909                          Perl_PerlIO_fileno
 910                          Perl_PerlIO_fill
 911                          Perl_PerlIO_flush
 912                          Perl_PerlIO_get_base
 913                          Perl_PerlIO_get_bufsiz
 914                          Perl_PerlIO_get_cnt
 915                          Perl_PerlIO_get_ptr
 916                          Perl_PerlIO_read
 917                          Perl_PerlIO_seek
 918                          Perl_PerlIO_set_cnt
 919                          Perl_PerlIO_set_ptrcnt
 920                          Perl_PerlIO_setlinebuf
 921                          Perl_PerlIO_stderr
 922                          Perl_PerlIO_stdin
 923                          Perl_PerlIO_stdout
 924                          Perl_PerlIO_tell
 925                          Perl_PerlIO_unread
 926                          Perl_PerlIO_write
 927                          PL_def_layerlist
 928                          PL_known_layers
 929                          PL_perlio
 930                          )];
 931     }
 932     else {
 933         # PerlIO with layers - export implementation
 934         emit_symbols \@layer_syms;
 935     }
 936 } else {
 937         # -Uuseperlio
 938         # Skip the PerlIO layer symbols - although
 939         # nothing should have exported them any way
 940         skip_symbols \@layer_syms;
 941         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
 942
 943         # Also do NOT add abstraction symbols from $perlio_sym
 944         # abstraction is done as #define to stdio
 945         # Remaining remnants that _may_ be functions
 946         # are handled in <DATA>
 947 }
 948
 949 for my $syms (@syms) {
 950     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 951     while (<GLOBAL>) {
 952         next if (!/^[A-Za-z]/);
 953         # Functions have a Perl_ prefix
 954         # Variables have a PL_ prefix
 955         chomp($_);
 956         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 957         $symbol .= $_;
 958         emit_symbol($symbol) unless exists $skip{$symbol};
 959     }
 960     close(GLOBAL);
 961 }
 962
 963 # variables
 964
 965 if ($define{'MULTIPLICITY'}) {
 966     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 967         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 968         emit_symbols $glob;
 969     }
 970     # XXX AIX seems to want the perlvars.h symbols, for some reason
 971     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
 972         my $glob = readvar($perlvars_h);
 973         emit_symbols $glob;
 974     }
 975 }
 976 else {
 977     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 978         my $glob = readvar($perlvars_h);
 979         emit_symbols $glob;
 980     }
 981     unless ($define{'MULTIPLICITY'}) {
 982         my $glob = readvar($intrpvar_h);
 983         emit_symbols $glob;
 984     }
 985     unless ($define{'MULTIPLICITY'}) {
 986         my $glob = readvar($thrdvar_h);
 987         emit_symbols $glob;
 988     }
 989 }
 990
 991 sub try_symbol {
 992     my $symbol = shift;
 993
 994     return if $symbol !~ /^[A-Za-z_]/;
 995     return if $symbol =~ /^\#/;
 996     $symbol =~s/\r//g;
 997     chomp($symbol);
 998     return if exists $skip{$symbol};
 999     emit_symbol($symbol);
1000 }
1001
1002 while (<DATA>) {
1003     try_symbol($_);
1004 }
1005
1006 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1007     foreach my $symbol (qw(
1008                             setuid
1009                             setgid
1010                             boot_DynaLoader
1011                             Perl_init_os_extras
1012                             Perl_thread_create
1013                             Perl_win32_init
1014                             Perl_win32_term
1015                             RunPerl
1016                             win32_async_check
1017                             win32_errno
1018                             win32_environ
1019                             win32_abort
1020                             win32_fstat
1021                             win32_stat
1022                             win32_pipe
1023                             win32_popen
1024                             win32_pclose
1025                             win32_rename
1026                             win32_setmode
1027                             win32_lseek
1028                             win32_tell
1029                             win32_dup
1030                             win32_dup2
1031                             win32_open
1032                             win32_close
1033                             win32_eof
1034                             win32_read
1035                             win32_write
1036                             win32_spawnvp
1037                             win32_mkdir
1038                             win32_rmdir
1039                             win32_chdir
1040                             win32_flock
1041                             win32_execv
1042                             win32_execvp
1043                             win32_htons
1044                             win32_ntohs
1045                             win32_htonl
1046                             win32_ntohl
1047                             win32_inet_addr
1048                             win32_inet_ntoa
1049                             win32_socket
1050                             win32_bind
1051                             win32_listen
1052                             win32_accept
1053                             win32_connect
1054                             win32_send
1055                             win32_sendto
1056                             win32_recv
1057                             win32_recvfrom
1058                             win32_shutdown
1059                             win32_closesocket
1060                             win32_ioctlsocket
1061                             win32_setsockopt
1062                             win32_getsockopt
1063                             win32_getpeername
1064                             win32_getsockname
1065                             win32_gethostname
1066                             win32_gethostbyname
1067                             win32_gethostbyaddr
1068                             win32_getprotobyname
1069                             win32_getprotobynumber
1070                             win32_getservbyname
1071                             win32_getservbyport
1072                             win32_select
1073                             win32_endhostent
1074                             win32_endnetent
1075                             win32_endprotoent
1076                             win32_endservent
1077                             win32_getnetent
1078                             win32_getnetbyname
1079                             win32_getnetbyaddr
1080                             win32_getprotoent
1081                             win32_getservent
1082                             win32_sethostent
1083                             win32_setnetent
1084                             win32_setprotoent
1085                             win32_setservent
1086                             win32_getenv
1087                             win32_putenv
1088                             win32_perror
1089                             win32_malloc
1090                             win32_calloc
1091                             win32_realloc
1092                             win32_free
1093                             win32_sleep
1094                             win32_times
1095                             win32_access
1096                             win32_alarm
1097                             win32_chmod
1098                             win32_open_osfhandle
1099                             win32_get_osfhandle
1100                             win32_ioctl
1101                             win32_link
1102                             win32_unlink
1103                             win32_utime
1104                             win32_gettimeofday
1105                             win32_uname
1106                             win32_wait
1107                             win32_waitpid
1108                             win32_kill
1109                             win32_str_os_error
1110                             win32_opendir
1111                             win32_readdir
1112                             win32_telldir
1113                             win32_seekdir
1114                             win32_rewinddir
1115                             win32_closedir
1116                             win32_longpath
1117                             win32_os_id
1118                             win32_getpid
1119                             win32_crypt
1120                             win32_dynaload
1121                             win32_get_childenv
1122                             win32_free_childenv
1123                             win32_clearenv
1124                             win32_get_childdir
1125                             win32_free_childdir
1126                             win32_stdin
1127                             win32_stdout
1128                             win32_stderr
1129                             win32_ferror
1130                             win32_feof
1131                             win32_strerror
1132                             win32_fprintf
1133                             win32_printf
1134                             win32_vfprintf
1135                             win32_vprintf
1136                             win32_fread
1137                             win32_fwrite
1138                             win32_fopen
1139                             win32_fdopen
1140                             win32_freopen
1141                             win32_fclose
1142                             win32_fputs
1143                             win32_fputc
1144                             win32_ungetc
1145                             win32_getc
1146                             win32_fileno
1147                             win32_clearerr
1148                             win32_fflush
1149                             win32_ftell
1150                             win32_fseek
1151                             win32_fgetpos
1152                             win32_fsetpos
1153                             win32_rewind
1154                             win32_tmpfile
1155                             win32_setbuf
1156                             win32_setvbuf
1157                             win32_flushall
1158                             win32_fcloseall
1159                             win32_fgets
1160                             win32_gets
1161                             win32_fgetc
1162                             win32_putc
1163                             win32_puts
1164                             win32_getchar
1165                             win32_putchar
1166                            ))
1167     {
1168         try_symbol($symbol);
1169     }
1170 }
1171 elsif ($PLATFORM eq 'os2') {
1172     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1173     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1174     close MAP or die 'Cannot close miniperl.map';
1175
1176     @missing = grep { !exists $mapped{$_} }
1177                     keys %export;
1178     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1179     delete $export{$_} foreach @missing;
1180 }
1181 elsif ($PLATFORM eq 'MacOS') {
1182     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1183
1184     while (<MACSYMS>) {
1185         try_symbol($_);
1186     }
1187
1188     close MACSYMS;
1189 }
1190 elsif ($PLATFORM eq 'netware') {
1191 foreach my $symbol (qw(
1192                         boot_DynaLoader
1193                         Perl_init_os_extras
1194                         Perl_thread_create
1195                         Perl_nw5_init
1196                         RunPerl
1197                         AllocStdPerl
1198                         FreeStdPerl
1199                         do_spawn2
1200                         do_aspawn
1201                         nw_uname
1202                         nw_stdin
1203                         nw_stdout
1204                         nw_stderr
1205                         nw_feof
1206                         nw_ferror
1207                         nw_fopen
1208                         nw_fclose
1209                         nw_clearerr
1210                         nw_getc
1211                         nw_fgets
1212                         nw_fputc
1213                         nw_fputs
1214                         nw_fflush
1215                         nw_ungetc
1216                         nw_fileno
1217                         nw_fdopen
1218                         nw_freopen
1219                         nw_fread
1220                         nw_fwrite
1221                         nw_setbuf
1222                         nw_setvbuf
1223                         nw_vfprintf
1224                         nw_ftell
1225                         nw_fseek
1226                         nw_rewind
1227                         nw_tmpfile
1228                         nw_fgetpos
1229                         nw_fsetpos
1230                         nw_dup
1231                         nw_access
1232                         nw_chmod
1233                         nw_chsize
1234                         nw_close
1235                         nw_dup2
1236                         nw_flock
1237                         nw_isatty
1238                         nw_link
1239                         nw_lseek
1240                         nw_stat
1241                         nw_mktemp
1242                         nw_open
1243                         nw_read
1244                         nw_rename
1245                         nw_setmode
1246                         nw_unlink
1247                         nw_utime
1248                         nw_write
1249                         nw_chdir
1250                         nw_rmdir
1251                         nw_closedir
1252                         nw_opendir
1253                         nw_readdir
1254                         nw_rewinddir
1255                         nw_seekdir
1256                         nw_telldir
1257                         nw_htonl
1258                         nw_htons
1259                         nw_ntohl
1260                         nw_ntohs
1261                         nw_accept
1262                         nw_bind
1263                         nw_connect
1264                         nw_endhostent
1265                         nw_endnetent
1266                         nw_endprotoent
1267                         nw_endservent
1268                         nw_gethostbyaddr
1269                         nw_gethostbyname
1270                         nw_gethostent
1271                         nw_gethostname
1272                         nw_getnetbyaddr
1273                         nw_getnetbyname
1274                         nw_getnetent
1275                         nw_getpeername
1276                         nw_getprotobyname
1277                         nw_getprotobynumber
1278                         nw_getprotoent
1279                         nw_getservbyname
1280                         nw_getservbyport
1281                         nw_getservent
1282                         nw_getsockname
1283                         nw_getsockopt
1284                         nw_inet_addr
1285                         nw_listen
1286                         nw_socket
1287                         nw_recv
1288                         nw_recvfrom
1289                         nw_select
1290                         nw_send
1291                         nw_sendto
1292                         nw_sethostent
1293                         nw_setnetent
1294                         nw_setprotoent
1295                         nw_setservent
1296                         nw_setsockopt
1297                         nw_inet_ntoa
1298                         nw_shutdown
1299                         nw_crypt
1300                         nw_execvp
1301                         nw_kill
1302                         nw_Popen
1303                         nw_Pclose
1304                         nw_Pipe
1305                         nw_times
1306                         nw_waitpid
1307                         nw_getpid
1308                         nw_spawnvp
1309                         nw_os_id
1310                         nw_open_osfhandle
1311                         nw_get_osfhandle
1312                         nw_abort
1313                         nw_sleep
1314                         nw_wait
1315                         nw_dynaload
1316                         nw_strerror
1317                         fnFpSetMode
1318                         fnInsertHashListAddrs
1319                         fnGetHashListAddrs
1320                         Perl_deb
1321                         Perl_sv_setsv
1322                         Perl_sv_catsv
1323                         Perl_sv_catpvn
1324                         Perl_sv_2pv
1325                         nw_freeenviron
1326                         Remove_Thread_Ctx
1327                            ))
1328     {
1329         try_symbol($symbol);
1330     }
1331 }
1332
1333 # Now all symbols should be defined because
1334 # next we are going to output them.
1335
1336 foreach my $symbol (sort keys %export) {
1337     output_symbol($symbol);
1338 }
1339
1340 if ($PLATFORM eq 'os2') {
1341         print "; LAST_ORDINAL=$sym_ord\n";
1342 }
1343
1344 sub emit_symbol {
1345     my $symbol = shift;
1346     chomp($symbol);
1347     $export{$symbol} = 1;
1348 }
1349
1350 sub output_symbol {
1351     my $symbol = shift;
1352     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1353         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1354         print "\t$symbol\n";
1355 # XXX: binary compatibility between compilers is an exercise
1356 # in frustration :-(
1357 #        if ($CCTYPE eq "BORLAND") {
1358 #           # workaround Borland quirk by exporting both the straight
1359 #           # name and a name with leading underscore.  Note the
1360 #           # alias *must* come after the symbol itself, if both
1361 #           # are to be exported. (Linker bug?)
1362 #           print "\t_$symbol\n";
1363 #           print "\t$symbol = _$symbol\n";
1364 #       }
1365 #       elsif ($CCTYPE eq 'GCC') {
1366 #           # Symbols have leading _ whole process is $%@"% slow
1367 #           # so skip aliases for now
1368 #           nprint "\t$symbol\n";
1369 #       }
1370 #       else {
1371 #           # for binary coexistence, export both the symbol and
1372 #           # alias with leading underscore
1373 #           print "\t$symbol\n";
1374 #           print "\t_$symbol = $symbol\n";
1375 #       }
1376     }
1377     elsif ($PLATFORM eq 'os2') {
1378         printf qq(    %-31s \@%s\n),
1379           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1380         printf qq(    %-31s \@%s\n),
1381           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1382           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1383           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1384     }
1385     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1386         print "$symbol\n";
1387     }
1388         elsif ($PLATFORM eq 'netware') {
1389         print "\t$symbol,\n";
1390         }
1391 }
1392
1393 1;
1394 __DATA__
1395 # extra globals not included above.
1396 Perl_cxinc
1397 perl_alloc
1398 perl_alloc_using
1399 perl_clone
1400 perl_clone_using
1401 perl_construct
1402 perl_destruct
1403 perl_free
1404 perl_parse
1405 perl_run
1406 # Oddities from PerlIO
1407 PerlIO_binmode
1408 PerlIO_getpos
1409 PerlIO_init
1410 PerlIO_setpos
1411 PerlIO_sprintf
1412 PerlIO_sv_dup
1413 PerlIO_tmpfile
1414 PerlIO_vsprintf
1415 perlsio_binmode