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 as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 my %bincompat5005 =
  15       (
  16        Perl_call_atexit         =>      "perl_atexit",
  17        Perl_eval_sv             =>      "perl_eval_sv",
  18        Perl_eval_pv             =>      "perl_eval_pv",
  19        Perl_call_argv           =>      "perl_call_argv",
  20        Perl_call_method         =>      "perl_call_method",
  21        Perl_call_pv             =>      "perl_call_pv",
  22        Perl_call_sv             =>      "perl_call_sv",
  23        Perl_get_av              =>      "perl_get_av",
  24        Perl_get_cv              =>      "perl_get_cv",
  25        Perl_get_hv              =>      "perl_get_hv",
  26        Perl_get_sv              =>      "perl_get_sv",
  27        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
  28        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
  29        Perl_new_collate         =>      "perl_new_collate",
  30        Perl_new_ctype           =>      "perl_new_ctype",
  31        Perl_new_numeric         =>      "perl_new_numeric",
  32        Perl_require_pv          =>      "perl_require_pv",
  33        Perl_safesyscalloc       =>      "Perl_safecalloc",
  34        Perl_safesysfree         =>      "Perl_safefree",
  35        Perl_safesysmalloc       =>      "Perl_safemalloc",
  36        Perl_safesysrealloc      =>      "Perl_saferealloc",
  37        Perl_set_numeric_local   =>      "perl_set_numeric_local",
  38        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
  39        Perl_malloc              =>      "malloc",
  40        Perl_mfree               =>      "free",
  41        Perl_realloc             =>      "realloc",
  42        Perl_calloc              =>      "calloc",
  43       );
  44
  45 my $bincompat5005 = join("|", keys %bincompat5005);
  46
  47 while (@ARGV) {
  48     my $flag = shift;
  49     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  50     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  51     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  52     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  53         if ($PLATFORM eq 'netware') {
  54                 $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  55         }
  56 }
  57
  58 my @PLATFORM = qw(aix win32 os2 MacOS netware);
  59 my %PLATFORM;
  60 @PLATFORM{@PLATFORM} = ();
  61
  62 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  63 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  64
  65 my $config_sh   = "config.sh";
  66 my $config_h    = "config.h";
  67 my $thrdvar_h   = "thrdvar.h";
  68 my $intrpvar_h  = "intrpvar.h";
  69 my $perlvars_h  = "perlvars.h";
  70 my $global_sym  = "global.sym";
  71 my $pp_sym      = "pp.sym";
  72 my $globvar_sym = "globvar.sym";
  73 my $perlio_sym  = "perlio.sym";
  74
  75 if ($PLATFORM eq 'aix') {
  76     # Nothing for now.
  77 }
  78 elsif ($PLATFORM eq 'win32' || $PLATFORM eq 'netware') {
  79     $CCTYPE = "MSVC" unless defined $CCTYPE;
  80     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  81                 $pp_sym, $globvar_sym, $perlio_sym) {
  82         s!^!..\\!;
  83     }
  84 }
  85 elsif ($PLATFORM eq 'MacOS') {
  86     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  87                 $pp_sym, $globvar_sym, $perlio_sym) {
  88         s!^!::!;
  89     }
  90 }
  91
  92 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  93     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  94     while (<CFG>) {
  95         if (/^(?:ccflags|optimize)='(.+)'$/) {
  96             $_ = $1;
  97             $define{$1} = 1 while /-D(\w+)/g;
  98         }
  99         if ($PLATFORM eq 'os2') {
 100             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
 101             $ARCHNAME =    $1 if /^(?:archname)='(.+)'$/;
 102         }
 103     }
 104     close(CFG);
 105 }
 106
 107 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 108 while (<CFG>) {
 109     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 110     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 111     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 112     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 113 }
 114 close(CFG);
 115
 116 # perl.h logic duplication begins
 117
 118 if ($define{USE_ITHREADS}) {
 119     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
 120         $define{MULTIPLICITY} = 1;
 121     }
 122 }
 123
 124 $define{PERL_IMPLICIT_CONTEXT} ||=
 125     $define{USE_ITHREADS} ||
 126     $define{USE_5005THREADS}  ||
 127     $define{MULTIPLICITY} ;
 128
 129 if ($define{PERL_CAPI}) {
 130     delete $define{PERL_OBJECT};
 131     $define{MULTIPLICITY} = 1;
 132     $define{PERL_IMPLICIT_CONTEXT} = 1;
 133     $define{PERL_IMPLICIT_SYS}     = 1;
 134 }
 135
 136 if ($define{PERL_OBJECT}) {
 137     $define{PERL_IMPLICIT_CONTEXT} = 1;
 138     $define{PERL_IMPLICIT_SYS}     = 1;
 139 }
 140
 141 # perl.h logic duplication ends
 142
 143 if ($PLATFORM eq 'win32') {
 144     warn join(' ',keys %define)."\n";
 145     print "LIBRARY Perl57\n";
 146     print "DESCRIPTION 'Perl interpreter'\n";
 147     print "EXPORTS\n";
 148     if ($define{PERL_IMPLICIT_SYS}) {
 149         output_symbol("perl_get_host_info");
 150         output_symbol("perl_alloc_override");
 151     output_symbol("perl_clone_host");
 152     }
 153 }
 154 elsif ($PLATFORM eq 'os2') {
 155     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 156     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 157     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 158     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 159     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 160     print <<"---EOP---";
 161 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 162 $d
 163 STACKSIZE 32768
 164 CODE LOADONCALL
 165 DATA LOADONCALL NONSHARED MULTIPLE
 166 EXPORTS
 167 ---EOP---
 168 }
 169 elsif ($PLATFORM eq 'aix') {
 170     $OSVER = `uname -v`;
 171     chop $OSVER;
 172     $OSREL = `uname -r`;
 173     chop $OSREL;
 174     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 175         print "#! ..\n";
 176     } else {
 177         print "#!\n";
 178     }
 179 }
 180 elsif ($PLATFORM eq 'netware') {
 181         if ($FILETYPE eq 'def') {
 182         print "LIBRARY Perl57\n";
 183         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 184         print "EXPORTS\n";
 185         }
 186         if ($define{PERL_IMPLICIT_SYS}) {
 187         output_symbol("perl_get_host_info");
 188         output_symbol("perl_alloc_override");
 189     output_symbol("perl_clone_host");
 190         }
 191 }
 192
 193 my %skip;
 194 my %export;
 195
 196 sub skip_symbols {
 197     my $list = shift;
 198     foreach my $symbol (@$list) {
 199         $skip{$symbol} = 1;
 200     }
 201 }
 202
 203 sub emit_symbols {
 204     my $list = shift;
 205     foreach my $symbol (@$list) {
 206         my $skipsym = $symbol;
 207         # XXX hack
 208         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 209             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 210         }
 211         emit_symbol($symbol) unless exists $skip{$skipsym};
 212     }
 213 }
 214
 215 if ($PLATFORM eq 'win32') {
 216     skip_symbols [qw(
 217                      PL_statusvalue_vms
 218                      PL_archpat_auto
 219                      PL_cryptseen
 220                      PL_DBcv
 221                      PL_generation
 222                      PL_lastgotoprobe
 223                      PL_linestart
 224                      PL_modcount
 225                      PL_pending_ident
 226                      PL_sortcxix
 227                      PL_sublex_info
 228                      PL_timesbuf
 229                      main
 230                      Perl_ErrorNo
 231                      Perl_GetVars
 232                      Perl_do_exec3
 233                      Perl_do_ipcctl
 234                      Perl_do_ipcget
 235                      Perl_do_msgrcv
 236                      Perl_do_msgsnd
 237                      Perl_do_semop
 238                      Perl_do_shmio
 239                      Perl_dump_fds
 240                      Perl_init_thread_intern
 241                      Perl_my_bzero
 242                      Perl_my_bcopy
 243                      Perl_my_htonl
 244                      Perl_my_ntohl
 245                      Perl_my_swap
 246                      Perl_my_chsize
 247                      Perl_same_dirent
 248                      Perl_setenv_getix
 249                      Perl_unlnk
 250                      Perl_watch
 251                      Perl_safexcalloc
 252                      Perl_safexmalloc
 253                      Perl_safexfree
 254                      Perl_safexrealloc
 255                      Perl_my_memcmp
 256                      Perl_my_memset
 257                      PL_cshlen
 258                      PL_cshname
 259                      PL_opsave
 260                      Perl_do_exec
 261                      Perl_getenv_len
 262                      Perl_my_pclose
 263                      Perl_my_popen
 264                      )];
 265 }
 266 elsif ($PLATFORM eq 'aix') {
 267     skip_symbols([qw(
 268                      Perl_dump_fds
 269                      Perl_ErrorNo
 270                      Perl_GetVars
 271                      Perl_my_bcopy
 272                      Perl_my_bzero
 273                      Perl_my_chsize
 274                      Perl_my_htonl
 275                      Perl_my_memcmp
 276                      Perl_my_memset
 277                      Perl_my_ntohl
 278                      Perl_my_swap
 279                      Perl_safexcalloc
 280                      Perl_safexfree
 281                      Perl_safexmalloc
 282                      Perl_safexrealloc
 283                      Perl_same_dirent
 284                      Perl_unlnk
 285                      Perl_sys_intern_clear
 286                      Perl_sys_intern_dup
 287                      Perl_sys_intern_init
 288                      PL_cryptseen
 289                      PL_opsave
 290                      PL_statusvalue_vms
 291                      PL_sys_intern
 292                      )]);
 293 }
 294 elsif ($PLATFORM eq 'os2') {
 295     emit_symbols([qw(
 296                     ctermid
 297                     get_sysinfo
 298                     Perl_OS2_init
 299                     Perl_OS2_init3
 300                     Perl_OS2_term
 301                     OS2_Perl_data
 302                     dlopen
 303                     dlsym
 304                     dlerror
 305                     dlclose
 306                     my_tmpfile
 307                     my_tmpnam
 308                     my_flock
 309                     my_rmdir
 310                     my_mkdir
 311                     my_getpwuid
 312                     my_getpwnam
 313                     my_getpwent
 314                     my_setpwent
 315                     my_endpwent
 316                     setgrent
 317                     endgrent
 318                     getgrent
 319                     malloc_mutex
 320                     threads_mutex
 321                     nthreads
 322                     nthreads_cond
 323                     os2_cond_wait
 324                     os2_stat
 325                     pthread_join
 326                     pthread_create
 327                     pthread_detach
 328                     XS_Cwd_change_drive
 329                     XS_Cwd_current_drive
 330                     XS_Cwd_extLibpath
 331                     XS_Cwd_extLibpath_set
 332                     XS_Cwd_sys_abspath
 333                     XS_Cwd_sys_chdir
 334                     XS_Cwd_sys_cwd
 335                     XS_Cwd_sys_is_absolute
 336                     XS_Cwd_sys_is_relative
 337                     XS_Cwd_sys_is_rooted
 338                     XS_DynaLoader_mod2fname
 339                     XS_File__Copy_syscopy
 340                     Perl_Register_MQ
 341                     Perl_Deregister_MQ
 342                     Perl_Serve_Messages
 343                     Perl_Process_Messages
 344                     init_PMWIN_entries
 345                     PMWIN_entries
 346                     Perl_hab_GET
 347                     loadByOrdinal
 348                     pExtFCN
 349                     )]);
 350 }
 351 elsif ($PLATFORM eq 'MacOS') {
 352     skip_symbols [qw(
 353                     Perl_GetVars
 354                     PL_cryptseen
 355                     PL_cshlen
 356                     PL_cshname
 357                     PL_statusvalue_vms
 358                     PL_sys_intern
 359                     PL_opsave
 360                     PL_timesbuf
 361                     Perl_dump_fds
 362                     Perl_my_bcopy
 363                     Perl_my_bzero
 364                     Perl_my_chsize
 365                     Perl_my_htonl
 366                     Perl_my_memcmp
 367                     Perl_my_memset
 368                     Perl_my_ntohl
 369                     Perl_my_swap
 370                     Perl_safexcalloc
 371                     Perl_safexfree
 372                     Perl_safexmalloc
 373                     Perl_safexrealloc
 374                     Perl_unlnk
 375                     Perl_sys_intern_clear
 376                     Perl_sys_intern_init
 377                     )];
 378 }
 379 elsif ($PLATFORM eq 'netware') {
 380         skip_symbols [qw(
 381                         PL_statusvalue_vms
 382                         PL_archpat_auto
 383                         PL_cryptseen
 384                         PL_DBcv
 385                         PL_generation
 386                         PL_lastgotoprobe
 387                         PL_linestart
 388                         PL_modcount
 389                         PL_pending_ident
 390                         PL_sortcxix
 391                         PL_sublex_info
 392                         PL_timesbuf
 393                         main
 394                         Perl_ErrorNo
 395                         Perl_GetVars
 396                         Perl_do_exec3
 397                         Perl_do_ipcctl
 398                         Perl_do_ipcget
 399                         Perl_do_msgrcv
 400                         Perl_do_msgsnd
 401                         Perl_do_semop
 402                         Perl_do_shmio
 403                         Perl_dump_fds
 404                         Perl_init_thread_intern
 405                         Perl_my_bzero
 406                         Perl_my_htonl
 407                         Perl_my_ntohl
 408                         Perl_my_swap
 409                         Perl_my_chsize
 410                         Perl_same_dirent
 411                         Perl_setenv_getix
 412                         Perl_unlnk
 413                         Perl_watch
 414                         Perl_safexcalloc
 415                         Perl_safexmalloc
 416                         Perl_safexfree
 417                         Perl_safexrealloc
 418                         Perl_my_memcmp
 419                         Perl_my_memset
 420                         PL_cshlen
 421                         PL_cshname
 422                         PL_opsave
 423                         Perl_do_exec
 424                         Perl_getenv_len
 425                         Perl_my_pclose
 426                         Perl_my_popen
 427                         )];
 428 }
 429
 430 unless ($define{'DEBUGGING'}) {
 431     skip_symbols [qw(
 432                     Perl_deb_growlevel
 433                     Perl_debop
 434                     Perl_debprofdump
 435                     Perl_debstack
 436                     Perl_debstackptrs
 437                     Perl_runops_debug
 438                     Perl_sv_peek
 439                     PL_block_type
 440                     PL_watchaddr
 441                     PL_watchok
 442                     )];
 443 }
 444
 445 if ($define{'PERL_IMPLICIT_SYS'}) {
 446     skip_symbols [qw(
 447                     Perl_getenv_len
 448                     Perl_my_popen
 449                     Perl_my_pclose
 450                     )];
 451 }
 452 else {
 453     skip_symbols [qw(
 454                     PL_Mem
 455                     PL_MemShared
 456                     PL_MemParse
 457                     PL_Env
 458                     PL_StdIO
 459                     PL_LIO
 460                     PL_Dir
 461                     PL_Sock
 462                     PL_Proc
 463                     )];
 464 }
 465
 466 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 467     skip_symbols [qw(
 468                     PL_protect
 469                     Perl_default_protect
 470                     Perl_vdefault_protect
 471                     )];
 472 }
 473
 474 unless ($define{'USE_REENTRANT_API'}) {
 475     skip_symbols [qw(
 476                     PL_reentrant_buffer
 477                     )];
 478 }
 479
 480 if ($define{'MYMALLOC'}) {
 481     emit_symbols [qw(
 482                     Perl_dump_mstats
 483                     Perl_get_mstats
 484                     Perl_strdup
 485                     Perl_putenv
 486                     )];
 487     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 488         emit_symbols [qw(
 489                         PL_malloc_mutex
 490                         )];
 491     }
 492     else {
 493         skip_symbols [qw(
 494                         PL_malloc_mutex
 495                         )];
 496     }
 497 }
 498 else {
 499     skip_symbols [qw(
 500                     PL_malloc_mutex
 501                     Perl_dump_mstats
 502                     Perl_get_mstats
 503                     Perl_malloced_size
 504                     )];
 505 }
 506
 507 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 508     skip_symbols [qw(
 509                     PL_thr_key
 510                     )];
 511 }
 512
 513 unless ($define{'USE_5005THREADS'}) {
 514     skip_symbols [qw(
 515                     PL_sv_mutex
 516                     PL_strtab_mutex
 517                     PL_svref_mutex
 518                     PL_cred_mutex
 519                     PL_eval_mutex
 520                     PL_fdpid_mutex
 521                     PL_sv_lock_mutex
 522                     PL_eval_cond
 523                     PL_eval_owner
 524                     PL_threads_mutex
 525                     PL_nthreads
 526                     PL_nthreads_cond
 527                     PL_threadnum
 528                     PL_threadsv_names
 529                     PL_thrsv
 530                     PL_vtbl_mutex
 531                     Perl_condpair_magic
 532                     Perl_new_struct_thread
 533                     Perl_per_thread_magicals
 534                     Perl_thread_create
 535                     Perl_find_threadsv
 536                     Perl_unlock_condpair
 537                     Perl_magic_mutexfree
 538                     Perl_sv_lock
 539                     )];
 540 }
 541
 542 unless ($define{'USE_ITHREADS'}) {
 543     skip_symbols [qw(
 544                     PL_ptr_table
 545                     PL_op_mutex
 546                     PL_regex_pad
 547                     PL_regex_padav
 548                     Perl_dirp_dup
 549                     Perl_cx_dup
 550                     Perl_si_dup
 551                     Perl_any_dup
 552                     Perl_ss_dup
 553                     Perl_fp_dup
 554                     Perl_gp_dup
 555                     Perl_he_dup
 556                     Perl_mg_dup
 557                     Perl_re_dup
 558                     Perl_sv_dup
 559                     Perl_sys_intern_dup
 560                     Perl_ptr_table_clear
 561                     Perl_ptr_table_fetch
 562                     Perl_ptr_table_free
 563                     Perl_ptr_table_new
 564                     Perl_ptr_table_clear
 565                     Perl_ptr_table_free
 566                     Perl_ptr_table_split
 567                     Perl_ptr_table_store
 568                     perl_clone
 569                     perl_clone_using
 570                     Perl_sharedsv_find
 571                     Perl_sharedsv_init
 572                     Perl_sharedsv_lock
 573                     Perl_sharedsv_new
 574                     Perl_sharedsv_thrcnt_dec
 575                     Perl_sharedsv_thrcnt_inc
 576                     Perl_sharedsv_unlock
 577                     )];
 578 }
 579
 580 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 581     skip_symbols [qw(
 582                     Perl_croak_nocontext
 583                     Perl_die_nocontext
 584                     Perl_deb_nocontext
 585                     Perl_form_nocontext
 586                     Perl_load_module_nocontext
 587                     Perl_mess_nocontext
 588                     Perl_warn_nocontext
 589                     Perl_warner_nocontext
 590                     Perl_newSVpvf_nocontext
 591                     Perl_sv_catpvf_nocontext
 592                     Perl_sv_setpvf_nocontext
 593                     Perl_sv_catpvf_mg_nocontext
 594                     Perl_sv_setpvf_mg_nocontext
 595                     )];
 596 }
 597
 598 unless ($define{'PERL_IMPLICIT_SYS'}) {
 599     skip_symbols [qw(
 600                     perl_alloc_using
 601                     perl_clone_using
 602                     )];
 603 }
 604
 605 unless ($define{'FAKE_THREADS'}) {
 606     skip_symbols [qw(PL_curthr)];
 607 }
 608
 609 sub readvar {
 610     my $file = shift;
 611     my $proc = shift || sub { "PL_$_[2]" };
 612     open(VARS,$file) || die "Cannot open $file: $!\n";
 613     my @syms;
 614     while (<VARS>) {
 615         # All symbols have a Perl_ prefix because that's what embed.h
 616         # sticks in front of them.
 617         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 618     }
 619     close(VARS);
 620     return \@syms;
 621 }
 622
 623 if ($define{'USE_5005THREADS'}) {
 624     my $thrd = readvar($thrdvar_h);
 625     skip_symbols $thrd;
 626 }
 627
 628 if ($define{'PERL_GLOBAL_STRUCT'}) {
 629     my $global = readvar($perlvars_h);
 630     skip_symbols $global;
 631     emit_symbol('Perl_GetVars');
 632     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 633 }
 634
 635 # functions from *.sym files
 636
 637 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 638
 639 my @layer_syms = qw(
 640                          PerlIOBase_clearerr
 641                          PerlIOBase_close
 642                          PerlIOBase_eof
 643                          PerlIOBase_error
 644                          PerlIOBase_fileno
 645                          PerlIOBase_setlinebuf
 646                          PerlIOBase_pushed
 647                          PerlIOBase_read
 648                          PerlIOBase_unread
 649                          PerlIOBuf_bufsiz
 650                          PerlIOBuf_fill
 651                          PerlIOBuf_flush
 652                          PerlIOBuf_get_cnt
 653                          PerlIOBuf_get_ptr
 654                          PerlIOBuf_open
 655                          PerlIOBuf_pushed
 656                          PerlIOBuf_read
 657                          PerlIOBuf_seek
 658                          PerlIOBuf_set_ptrcnt
 659                          PerlIOBuf_tell
 660                          PerlIOBuf_unread
 661                          PerlIOBuf_write
 662                          PerlIO_define_layer
 663                          PerlIO_arg_fetch
 664                          PerlIO_pending
 665                          PerlIO_allocate
 666                          PerlIO_push
 667                          PerlIO_unread
 668 );
 669
 670 if ($define{'USE_PERLIO'}) {
 671     push @syms, $perlio_sym;
 672     if ($define{'USE_SFIO'}) {
 673         skip_symbols \@layer_syms;
 674         # SFIO defines most of the PerlIO routines as macros
 675         skip_symbols [qw(
 676                          PerlIO_canset_cnt
 677                          PerlIO_clearerr
 678                          PerlIO_close
 679                          PerlIO_eof
 680                          PerlIO_error
 681                          PerlIO_exportFILE
 682                          PerlIO_fast_gets
 683                          PerlIO_fdopen
 684                          PerlIO_fileno
 685                          PerlIO_findFILE
 686                          PerlIO_flush
 687                          PerlIO_get_base
 688                          PerlIO_get_bufsiz
 689                          PerlIO_get_cnt
 690                          PerlIO_get_ptr
 691                          PerlIO_getc
 692                          PerlIO_getname
 693                          PerlIO_has_base
 694                          PerlIO_has_cntptr
 695                          PerlIO_importFILE
 696                          PerlIO_open
 697                          PerlIO_printf
 698                          PerlIO_putc
 699                          PerlIO_puts
 700                          PerlIO_read
 701                          PerlIO_releaseFILE
 702                          PerlIO_reopen
 703                          PerlIO_rewind
 704                          PerlIO_seek
 705                          PerlIO_set_cnt
 706                          PerlIO_set_ptrcnt
 707                          PerlIO_setlinebuf
 708                          PerlIO_sprintf
 709                          PerlIO_stderr
 710                          PerlIO_stdin
 711                          PerlIO_stdout
 712                          PerlIO_stdoutf
 713                          PerlIO_tell
 714                          PerlIO_ungetc
 715                          PerlIO_vprintf
 716                          PerlIO_write
 717                          )];
 718     }
 719 } else {
 720         # Skip the PerlIO New Generation symbols.
 721         skip_symbols \@layer_syms;
 722 }
 723
 724 for my $syms (@syms) {
 725     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 726     while (<GLOBAL>) {
 727         next if (!/^[A-Za-z]/);
 728         # Functions have a Perl_ prefix
 729         # Variables have a PL_ prefix
 730         chomp($_);
 731         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 732         $symbol .= $_;
 733         emit_symbol($symbol) unless exists $skip{$symbol};
 734     }
 735     close(GLOBAL);
 736 }
 737
 738 # variables
 739
 740 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 741     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 742         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 743         emit_symbols $glob;
 744     }
 745     # XXX AIX seems to want the perlvars.h symbols, for some reason
 746     if ($PLATFORM eq 'aix') {
 747         my $glob = readvar($perlvars_h);
 748         emit_symbols $glob;
 749     }
 750 }
 751 else {
 752     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 753         my $glob = readvar($perlvars_h);
 754         emit_symbols $glob;
 755     }
 756     unless ($define{'MULTIPLICITY'}) {
 757         my $glob = readvar($intrpvar_h);
 758         emit_symbols $glob;
 759     }
 760     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 761         my $glob = readvar($thrdvar_h);
 762         emit_symbols $glob;
 763     }
 764 }
 765
 766 sub try_symbol {
 767     my $symbol = shift;
 768
 769     return if $symbol !~ /^[A-Za-z_]/;
 770     return if $symbol =~ /^\#/;
 771     $symbol =~s/\r//g;
 772     chomp($symbol);
 773     return if exists $skip{$symbol};
 774     emit_symbol($symbol);
 775 }
 776
 777 while (<DATA>) {
 778     try_symbol($_);
 779 }
 780
 781 if ($PLATFORM eq 'win32') {
 782     foreach my $symbol (qw(
 783                             setuid
 784                             setgid
 785                             boot_DynaLoader
 786                             Perl_init_os_extras
 787                             Perl_thread_create
 788                             Perl_win32_init
 789                             RunPerl
 790                             win32_errno
 791                             win32_environ
 792                             win32_abort
 793                             win32_fstat
 794                             win32_stat
 795                             win32_pipe
 796                             win32_popen
 797                             win32_pclose
 798                             win32_rename
 799                             win32_setmode
 800                             win32_lseek
 801                             win32_tell
 802                             win32_dup
 803                             win32_dup2
 804                             win32_open
 805                             win32_close
 806                             win32_eof
 807                             win32_read
 808                             win32_write
 809                             win32_spawnvp
 810                             win32_mkdir
 811                             win32_rmdir
 812                             win32_chdir
 813                             win32_flock
 814                             win32_execv
 815                             win32_execvp
 816                             win32_htons
 817                             win32_ntohs
 818                             win32_htonl
 819                             win32_ntohl
 820                             win32_inet_addr
 821                             win32_inet_ntoa
 822                             win32_socket
 823                             win32_bind
 824                             win32_listen
 825                             win32_accept
 826                             win32_connect
 827                             win32_send
 828                             win32_sendto
 829                             win32_recv
 830                             win32_recvfrom
 831                             win32_shutdown
 832                             win32_closesocket
 833                             win32_ioctlsocket
 834                             win32_setsockopt
 835                             win32_getsockopt
 836                             win32_getpeername
 837                             win32_getsockname
 838                             win32_gethostname
 839                             win32_gethostbyname
 840                             win32_gethostbyaddr
 841                             win32_getprotobyname
 842                             win32_getprotobynumber
 843                             win32_getservbyname
 844                             win32_getservbyport
 845                             win32_select
 846                             win32_endhostent
 847                             win32_endnetent
 848                             win32_endprotoent
 849                             win32_endservent
 850                             win32_getnetent
 851                             win32_getnetbyname
 852                             win32_getnetbyaddr
 853                             win32_getprotoent
 854                             win32_getservent
 855                             win32_sethostent
 856                             win32_setnetent
 857                             win32_setprotoent
 858                             win32_setservent
 859                             win32_getenv
 860                             win32_putenv
 861                             win32_perror
 862                             win32_malloc
 863                             win32_calloc
 864                             win32_realloc
 865                             win32_free
 866                             win32_sleep
 867                             win32_times
 868                             win32_access
 869                             win32_alarm
 870                             win32_chmod
 871                             win32_open_osfhandle
 872                             win32_get_osfhandle
 873                             win32_ioctl
 874                             win32_link
 875                             win32_unlink
 876                             win32_utime
 877                             win32_uname
 878                             win32_wait
 879                             win32_waitpid
 880                             win32_kill
 881                             win32_str_os_error
 882                             win32_opendir
 883                             win32_readdir
 884                             win32_telldir
 885                             win32_seekdir
 886                             win32_rewinddir
 887                             win32_closedir
 888                             win32_longpath
 889                             win32_os_id
 890                             win32_getpid
 891                             win32_crypt
 892                             win32_dynaload
 893
 894                             win32_stdin
 895                             win32_stdout
 896                             win32_stderr
 897                             win32_ferror
 898                             win32_feof
 899                             win32_strerror
 900                             win32_fprintf
 901                             win32_printf
 902                             win32_vfprintf
 903                             win32_vprintf
 904                             win32_fread
 905                             win32_fwrite
 906                             win32_fopen
 907                             win32_fdopen
 908                             win32_freopen
 909                             win32_fclose
 910                             win32_fputs
 911                             win32_fputc
 912                             win32_ungetc
 913                             win32_getc
 914                             win32_fileno
 915                             win32_clearerr
 916                             win32_fflush
 917                             win32_ftell
 918                             win32_fseek
 919                             win32_fgetpos
 920                             win32_fsetpos
 921                             win32_rewind
 922                             win32_tmpfile
 923                             win32_setbuf
 924                             win32_setvbuf
 925                             win32_flushall
 926                             win32_fcloseall
 927                             win32_fgets
 928                             win32_gets
 929                             win32_fgetc
 930                             win32_putc
 931                             win32_puts
 932                             win32_getchar
 933                             win32_putchar
 934                            ))
 935     {
 936         try_symbol($symbol);
 937     }
 938 }
 939 elsif ($PLATFORM eq 'os2') {
 940     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 941     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 942     close MAP or die 'Cannot close miniperl.map';
 943
 944     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 945                     keys %export;
 946     delete $export{$_} foreach @missing;
 947 }
 948 elsif ($PLATFORM eq 'MacOS') {
 949     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
 950
 951     while (<MACSYMS>) {
 952         try_symbol($_);
 953     }
 954
 955     close MACSYMS;
 956 }
 957 elsif ($PLATFORM eq 'netware') {
 958 foreach my $symbol (qw(
 959                         boot_DynaLoader
 960                         Perl_init_os_extras
 961                         Perl_thread_create
 962                         Perl_nw5_init
 963                         RunPerl
 964                         AllocStdPerl
 965                         FreeStdPerl
 966                         do_spawn2
 967                         do_aspawn
 968                         nw_uname
 969                         nw_stdin
 970                         nw_stdout
 971                         nw_stderr
 972                         nw_feof
 973                         nw_ferror
 974                         nw_fopen
 975                         nw_fclose
 976                         nw_clearerr
 977                         nw_getc
 978                         nw_fgets
 979                         nw_fputc
 980                         nw_fputs
 981                         nw_fflush
 982                         nw_ungetc
 983                         nw_fileno
 984                         nw_fdopen
 985                         nw_freopen
 986                         nw_fread
 987                         nw_fwrite
 988                         nw_setbuf
 989                         nw_setvbuf
 990                         nw_vfprintf
 991                         nw_ftell
 992                         nw_fseek
 993                         nw_rewind
 994                         nw_tmpfile
 995                         nw_fgetpos
 996                         nw_fsetpos
 997                         nw_dup
 998                         nw_access
 999                         nw_chmod
1000                         nw_chsize
1001                         nw_close
1002                         nw_dup2
1003                         nw_flock
1004                         nw_isatty
1005                         nw_link
1006                         nw_lseek
1007                         nw_stat
1008                         nw_mktemp
1009                         nw_open
1010                         nw_read
1011                         nw_rename
1012                         nw_setmode
1013                         nw_unlink
1014                         nw_utime
1015                         nw_write
1016                         nw_chdir
1017                         nw_rmdir
1018                         nw_closedir
1019                         nw_opendir
1020                         nw_readdir
1021                         nw_rewinddir
1022                         nw_seekdir
1023                         nw_telldir
1024                         nw_htonl
1025                         nw_htons
1026                         nw_ntohl
1027                         nw_ntohs
1028                         nw_accept
1029                         nw_bind
1030                         nw_connect
1031                         nw_endhostent
1032                         nw_endnetent
1033                         nw_endprotoent
1034                         nw_endservent
1035                         nw_gethostbyaddr
1036                         nw_gethostbyname
1037                         nw_gethostent
1038                         nw_gethostname
1039                         nw_getnetbyaddr
1040                         nw_getnetbyname
1041                         nw_getnetent
1042                         nw_getpeername
1043                         nw_getprotobyname
1044                         nw_getprotobynumber
1045                         nw_getprotoent
1046                         nw_getservbyname
1047                         nw_getservbyport
1048                         nw_getservent
1049                         nw_getsockname
1050                         nw_getsockopt
1051                         nw_inet_addr
1052                         nw_listen
1053                         nw_socket
1054                         nw_recv
1055                         nw_recvfrom
1056                         nw_select
1057                         nw_send
1058                         nw_sendto
1059                         nw_sethostent
1060                         nw_setnetent
1061                         nw_setprotoent
1062                         nw_setservent
1063                         nw_shutdown
1064                         nw_crypt
1065                         nw_execvp
1066                         nw_kill
1067                         nw_Popen
1068                         nw_Pclose
1069                         nw_Pipe
1070                         nw_times
1071                         nw_waitpid
1072                         nw_getpid
1073                         nw_spawnvp
1074                         nw_os_id
1075                         nw_open_osfhandle
1076                         nw_get_osfhandle
1077                         nw_abort
1078                         nw_sleep
1079                         nw_wait
1080                         nw_dynaload
1081                         nw_strerror
1082                         fnFpSetMode
1083                         fnInsertHashListAddrs
1084                         fnGetHashListAddrs
1085                         Perl_deb
1086                            ))
1087     {
1088         try_symbol($symbol);
1089     }
1090 }
1091
1092 # Now all symbols should be defined because
1093 # next we are going to output them.
1094
1095 foreach my $symbol (sort keys %export) {
1096     output_symbol($symbol);
1097 }
1098
1099 if ($PLATFORM eq 'netware') {
1100         # This may not be the right way to do.  This is to make sure
1101         # that the last symbol will not contain a comma else
1102         # Watcom linker cribs
1103         print "\tdummy\n";
1104 }
1105
1106 sub emit_symbol {
1107     my $symbol = shift;
1108     chomp($symbol);
1109     $export{$symbol} = 1;
1110 }
1111
1112 my $sym_ord = 0;
1113
1114 sub output_symbol {
1115     my $symbol = shift;
1116     $symbol = $bincompat5005{$symbol}
1117         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
1118     if ($PLATFORM eq 'win32') {
1119         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1120         print "\t$symbol\n";
1121 # XXX: binary compatibility between compilers is an exercise
1122 # in frustration :-(
1123 #        if ($CCTYPE eq "BORLAND") {
1124 #           # workaround Borland quirk by exporting both the straight
1125 #           # name and a name with leading underscore.  Note the
1126 #           # alias *must* come after the symbol itself, if both
1127 #           # are to be exported. (Linker bug?)
1128 #           print "\t_$symbol\n";
1129 #           print "\t$symbol = _$symbol\n";
1130 #       }
1131 #       elsif ($CCTYPE eq 'GCC') {
1132 #           # Symbols have leading _ whole process is $%@"% slow
1133 #           # so skip aliases for now
1134 #           nprint "\t$symbol\n";
1135 #       }
1136 #       else {
1137 #           # for binary coexistence, export both the symbol and
1138 #           # alias with leading underscore
1139 #           print "\t$symbol\n";
1140 #           print "\t_$symbol = $symbol\n";
1141 #       }
1142     }
1143     elsif ($PLATFORM eq 'os2') {
1144         printf qq(    %-31s \@%s\n), qq("$symbol"), ++$sym_ord;
1145     }
1146     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1147         print "$symbol\n";
1148     }
1149         elsif ($PLATFORM eq 'netware') {
1150         print "\t$symbol,\n";
1151         }
1152 }
1153
1154 1;
1155 __DATA__
1156 # extra globals not included above.
1157 perl_alloc
1158 perl_alloc_using
1159 perl_clone
1160 perl_clone_using
1161 perl_construct
1162 perl_destruct
1163 perl_free
1164 perl_parse
1165 perl_run
1166 PerlIO_define_layer
1167 PerlIOBuf_set_ptrcnt
1168 PerlIOBuf_get_cnt
1169 PerlIOBuf_get_ptr
1170 PerlIOBuf_bufsiz
1171 PerlIOBase_clearerr
1172 PerlIOBase_setlinebuf
1173 PerlIOBase_pushed
1174 PerlIOBase_read
1175 PerlIOBase_unread
1176 PerlIOBase_error
1177 PerlIOBase_eof
1178 PerlIOBuf_tell
1179 PerlIOBuf_seek
1180 PerlIOBuf_write
1181 PerlIOBuf_unread
1182 PerlIOBuf_read
1183 PerlIOBuf_open
1184 PerlIOBase_fileno
1185 PerlIOBuf_pushed
1186 PerlIOBuf_fill
1187 PerlIOBuf_flush
1188 PerlIOBase_close
1189 PerlIO_define_layer
1190 PerlIO_pending
1191 PerlIO_unread
1192 PerlIO_push
1193 PerlIO_allocate
1194 PerlIO_arg_fetch
1195 PerlIO_apply_layers
1196 perlsio_binmode
1197 PerlIO_binmode
1198 PerlIO_init
1199 PerlIO_tmpfile
1200 PerlIO_setpos
1201 PerlIO_getpos
1202 PerlIO_vsprintf
1203 PerlIO_sprintf