makedef.pl

   1 #./perl -w
   2 #
   3 # Create the export list for perl.
   4 #
   5 # Needed by WIN32 and OS/2 for creating perl.dll,
   6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
   7 # and by VMS for creating perlshr.exe.
   8 #
   9 # Reads from information stored in
  10 #
  11 #    %Config::Config (ie config.sh)
  12 #    config.h
  13 #    embed.fnc
  14 #    globvar.sym
  15 #    intrpvar.h
  16 #    miniperl.map (on OS/2)
  17 #    perl5.def    (on OS/2; this is the old version of the file being made)
  18 #    perlio.sym
  19 #    perlvars.h
  20 #    regen/opcodes
  21 #
  22 # plus long lists of function names hard-coded directly in this script.
  23 #
  24 # Writes the result to STDOUT.
  25 #
  26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
  27 # which redirects STDOUT to a suitable file, such as:
  28 #
  29 #    perl5.def   OS/2
  30 #    perldll.def Windows
  31 #    perl.exp    AIX
  32 #    perl.imp    NetWare
  33 #    makedef.lis VMS
  34
  35 BEGIN { unshift @INC, "lib" }
  36 use Config;
  37 use strict;
  38
  39 my %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
  40
  41 my %define;
  42
  43 sub process_cc_flags {
  44     foreach (map {split /\s+/, $_} @_) {
  45         $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  46     }
  47 }
  48
  49 while (@ARGV) {
  50     my $flag = shift;
  51     if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  52         process_cc_flags($1);
  53     } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  54         $ARGS{$1} = $2;
  55     }
  56 }
  57
  58 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
  59
  60 {
  61     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  62     my %PLATFORM;
  63     @PLATFORM{@PLATFORM} = ();
  64
  65     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  66         unless defined $ARGS{PLATFORM};
  67     die "PLATFORM must be one of: @PLATFORM\n"
  68         unless exists $PLATFORM{$ARGS{PLATFORM}};
  69 }
  70
  71 # Is the following guard strictly necessary? Added during refactoring
  72 # to keep the same behaviour when merging other code into here.
  73 process_cc_flags(@Config{qw(ccflags optimize)})
  74     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
  75     && $ARGS{PLATFORM} ne 'netware';
  76
  77 # Add the compile-time options that miniperl was built with to %define.
  78 # On Win32 these are not the same options as perl itself will be built
  79 # with since miniperl is built with a canned config (one of the win32/
  80 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  81 # but they do include some #define's that are hard-coded in various
  82 # source files and header files and don't include any BUILDOPT's that
  83 # the user might have chosen to disable because the canned configs are
  84 # minimal configs that don't include any of those options.
  85
  86 my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
  87 print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
  88 $define{$_} = 1 foreach @options;
  89
  90 my %exportperlmalloc =
  91     (
  92        Perl_malloc              =>      "malloc",
  93        Perl_mfree               =>      "free",
  94        Perl_realloc             =>      "realloc",
  95        Perl_calloc              =>      "calloc",
  96     );
  97
  98 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
  99
 100 open(CFG, '<', 'config.h') || die "Cannot open config.h: $!\n";
 101 while (<CFG>) {
 102     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 103                                            |SPRINTF_RETURNS_STRLEN
 104                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 105 }
 106 close(CFG);
 107
 108 # perl.h logic duplication begins
 109
 110 if ($define{PERL_IMPLICIT_SYS}) {
 111     $define{PL_OP_SLAB_ALLOC} = 1;
 112 }
 113
 114 if ($define{USE_ITHREADS}) {
 115     if (!$define{MULTIPLICITY}) {
 116         $define{MULTIPLICITY} = 1;
 117     }
 118 }
 119
 120 $define{PERL_IMPLICIT_CONTEXT} ||=
 121     $define{USE_ITHREADS} ||
 122     $define{MULTIPLICITY} ;
 123
 124 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
 125     $define{USE_REENTRANT_API} = 1;
 126 }
 127
 128 # perl.h logic duplication ends
 129
 130 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 131      unless $ARGS{PLATFORM} eq 'test';
 132
 133 my $sym_ord = 0;
 134 my %ordinal;
 135
 136 if ($ARGS{PLATFORM} eq 'os2') {
 137     if (open my $fh, '<', 'perl5.def') {
 138       while (<$fh>) {
 139         last if /^\s*EXPORTS\b/;
 140       }
 141       while (<$fh>) {
 142         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 143         # This allows skipping ordinals which were used in older versions
 144         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 145       }
 146       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 147     }
 148 }
 149
 150 my %skip;
 151 # All platforms export boot_DynaLoader unconditionally.
 152 my %export = ( boot_DynaLoader => 1 );
 153
 154 sub try_symbols {
 155     foreach my $symbol (@_) {
 156         ++$export{$symbol} unless exists $skip{$symbol};
 157     }
 158 }
 159
 160 sub readvar {
 161     # $hash is the hash that we're adding to. For one of our callers, it will
 162     # actually be the skip hash but that doesn't affect the intent of what
 163     # we're doing, as in that case we skip adding something to the skip hash
 164     # for the second time.
 165
 166     my $file = $ARGS{TARG_DIR} . shift;
 167     my $hash = shift;
 168     my $proc = shift;
 169     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 170
 171     while (<$vars>) {
 172         # All symbols have a Perl_ prefix because that's what embed.h sticks
 173         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 174         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 175
 176         my $var = "PL_$3";
 177         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 178         ++$hash->{$symbol} unless exists $skip{$var};
 179     }
 180 }
 181
 182 if ($ARGS{PLATFORM} ne 'os2') {
 183     ++$skip{$_} foreach qw(
 184                      PL_cryptseen
 185                      PL_opsave
 186                      Perl_GetVars
 187                      Perl_dump_fds
 188                      Perl_my_bcopy
 189                      Perl_my_bzero
 190                      Perl_my_chsize
 191                      Perl_my_htonl
 192                      Perl_my_memcmp
 193                      Perl_my_memset
 194                      Perl_my_ntohl
 195                      Perl_my_swap
 196                          );
 197     if ($ARGS{PLATFORM} eq 'vms') {
 198         ++$skip{PL_statusvalue_posix};
 199     } else {
 200         ++$skip{PL_statusvalue_vms};
 201         if ($ARGS{PLATFORM} ne 'aix') {
 202             ++$skip{$_} foreach qw(
 203                                 PL_DBcv
 204                                 PL_generation
 205                                 PL_lastgotoprobe
 206                                 PL_modcount
 207                                 PL_timesbuf
 208                                 main
 209                                  );
 210         }
 211     }
 212 }
 213
 214 if ($ARGS{PLATFORM} ne 'vms') {
 215     # VMS does its own thing for these symbols.
 216     ++$skip{$_} foreach qw(
 217                         PL_sig_handlers_initted
 218                         PL_sig_ignoring
 219                         PL_sig_defaulting
 220                          );
 221     if ($ARGS{PLATFORM} ne 'win32') {
 222         ++$skip{$_} foreach qw(
 223                             Perl_do_spawn
 224                             Perl_do_spawn_nowait
 225                             Perl_do_aspawn
 226                              );
 227     }
 228 }
 229
 230 unless ($define{UNLINK_ALL_VERSIONS}) {
 231     ++$skip{Perl_unlnk};
 232 }
 233
 234 unless ($define{'DEBUGGING'}) {
 235     ++$skip{$_} foreach qw(
 236                     Perl_debop
 237                     Perl_debprofdump
 238                     Perl_debstack
 239                     Perl_debstackptrs
 240                     Perl_pad_sv
 241                     Perl_pad_setsv
 242                     Perl_hv_assert
 243                     PL_block_type
 244                     PL_watchaddr
 245                     PL_watchok
 246                     PL_watch_pvx
 247                          );
 248 }
 249
 250 if ($define{'PERL_IMPLICIT_SYS'}) {
 251     ++$skip{$_} foreach qw(
 252                     Perl_my_popen
 253                     Perl_my_pclose
 254                          );
 255     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 256     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 257 }
 258 else {
 259     ++$skip{$_} foreach qw(
 260                     PL_Mem
 261                     PL_MemShared
 262                     PL_MemParse
 263                     PL_Env
 264                     PL_StdIO
 265                     PL_LIO
 266                     PL_Dir
 267                     PL_Sock
 268                     PL_Proc
 269                     perl_alloc_using
 270                     perl_clone_using
 271                          );
 272 }
 273
 274 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 275     ++$skip{Perl_sv_setsv_cow};
 276 }
 277
 278 unless ($define{'USE_REENTRANT_API'}) {
 279     ++$skip{PL_reentrant_buffer};
 280 }
 281
 282 if ($define{'MYMALLOC'}) {
 283     try_symbols(qw(
 284                     Perl_dump_mstats
 285                     Perl_get_mstats
 286                     Perl_strdup
 287                     Perl_putenv
 288                     MallocCfg_ptr
 289                     MallocCfgP_ptr
 290                     ));
 291     unless ($define{USE_ITHREADS}) {
 292         ++$skip{PL_malloc_mutex}
 293     }
 294 }
 295 else {
 296     ++$skip{$_} foreach qw(
 297                     PL_malloc_mutex
 298                     Perl_dump_mstats
 299                     Perl_get_mstats
 300                     MallocCfg_ptr
 301                     MallocCfgP_ptr
 302                          );
 303 }
 304
 305 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 306     ++$skip{PL_use_safe_putenv};
 307 }
 308
 309 unless ($define{'USE_ITHREADS'}) {
 310     ++$skip{PL_thr_key};
 311 }
 312
 313 # USE_5005THREADS symbols. Kept as reference for easier removal
 314 ++$skip{$_} foreach qw(
 315                     PL_sv_mutex
 316                     PL_strtab_mutex
 317                     PL_svref_mutex
 318                     PL_cred_mutex
 319                     PL_eval_mutex
 320                     PL_fdpid_mutex
 321                     PL_sv_lock_mutex
 322                     PL_eval_cond
 323                     PL_eval_owner
 324                     PL_threads_mutex
 325                     PL_nthreads
 326                     PL_nthreads_cond
 327                     PL_threadnum
 328                     PL_threadsv_names
 329                     PL_thrsv
 330                     PL_vtbl_mutex
 331                     Perl_condpair_magic
 332                     Perl_new_struct_thread
 333                     Perl_per_thread_magicals
 334                     Perl_thread_create
 335                     Perl_find_threadsv
 336                     Perl_unlock_condpair
 337                     Perl_magic_mutexfree
 338                     Perl_sv_lock
 339                      );
 340
 341 unless ($define{'USE_ITHREADS'}) {
 342     ++$skip{$_} foreach qw(
 343                     PL_op_mutex
 344                     PL_regex_pad
 345                     PL_regex_padav
 346                     PL_dollarzero_mutex
 347                     PL_hints_mutex
 348                     PL_my_ctx_mutex
 349                     PL_perlio_mutex
 350                     Perl_clone_params_del
 351                     Perl_clone_params_new
 352                     Perl_parser_dup
 353                     Perl_dirp_dup
 354                     Perl_cx_dup
 355                     Perl_si_dup
 356                     Perl_any_dup
 357                     Perl_ss_dup
 358                     Perl_fp_dup
 359                     Perl_gp_dup
 360                     Perl_he_dup
 361                     Perl_mg_dup
 362                     Perl_re_dup_guts
 363                     Perl_sv_dup
 364                     Perl_sv_dup_inc
 365                     Perl_rvpv_dup
 366                     Perl_hek_dup
 367                     Perl_sys_intern_dup
 368                     perl_clone
 369                     perl_clone_using
 370                     Perl_stashpv_hvname_match
 371                     Perl_regdupe_internal
 372                     Perl_newPADOP
 373                          );
 374 }
 375
 376 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 377     ++$skip{$_} foreach qw(
 378                     PL_my_cxt_index
 379                     PL_my_cxt_list
 380                     PL_my_cxt_size
 381                     PL_my_cxt_keys
 382                     Perl_croak_nocontext
 383                     Perl_die_nocontext
 384                     Perl_deb_nocontext
 385                     Perl_form_nocontext
 386                     Perl_load_module_nocontext
 387                     Perl_mess_nocontext
 388                     Perl_warn_nocontext
 389                     Perl_warner_nocontext
 390                     Perl_newSVpvf_nocontext
 391                     Perl_sv_catpvf_nocontext
 392                     Perl_sv_setpvf_nocontext
 393                     Perl_sv_catpvf_mg_nocontext
 394                     Perl_sv_setpvf_mg_nocontext
 395                     Perl_my_cxt_init
 396                     Perl_my_cxt_index
 397                          );
 398 }
 399
 400 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 401     ++$skip{$_} foreach qw(
 402                      PL_OpPtr
 403                      PL_OpSlab
 404                      PL_OpSpace
 405                      Perl_Slab_Alloc
 406                      Perl_Slab_Free
 407                          );
 408 }
 409
 410 unless ($define{'PERL_DEBUG_READONLY_OPS'}) {
 411     ++$skip{$_} foreach qw(
 412                     PL_slab_count
 413                     PL_slabs
 414                          );
 415 }
 416
 417 unless ($define{'THREADS_HAVE_PIDS'}) {
 418     ++$skip{PL_ppid};
 419 }
 420
 421 unless ($define{'PERL_NEED_APPCTX'}) {
 422     ++$skip{PL_appctx};
 423 }
 424
 425 unless ($define{'PERL_NEED_TIMESBASE'}) {
 426     ++$skip{PL_timesbase};
 427 }
 428
 429 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 430     ++$skip{PL_sv_serial};
 431 }
 432
 433 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 434     ++$skip{PL_dumper_fd};
 435 }
 436
 437 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 438     ++$skip{Perl_gv_SVadd};
 439 }
 440
 441 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 442     ++$skip{Perl_my_sprintf};
 443 }
 444
 445 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 446     ++$skip{PL_pidstatus};
 447 }
 448
 449 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 450     ++$skip{PL_memory_debug_header};
 451 }
 452
 453 unless ($define{PERL_MAD}) {
 454     ++$skip{$_} foreach qw(
 455                     PL_madskills
 456                     PL_xmlfp
 457                          );
 458 }
 459
 460 unless ($define{'MULTIPLICITY'}) {
 461     ++$skip{$_} foreach qw(
 462                     PL_interp_size
 463                     PL_interp_size_5_16_0
 464                          );
 465 }
 466
 467 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 468     ++$skip{PL_global_struct_size};
 469 }
 470
 471 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 472     ++$skip{$_} foreach qw(
 473                     PL_my_cxt_keys
 474                     Perl_my_cxt_index
 475                          );
 476 }
 477
 478 unless ($define{HAS_MMAP}) {
 479     ++$skip{PL_mmap_page_size};
 480 }
 481
 482 if ($define{HAS_SIGACTION}) {
 483     ++$skip{PL_sig_trapped};
 484
 485     if ($ARGS{PLATFORM} eq 'vms') {
 486         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 487         ++$skip{PL_sig_ignoring};
 488     }
 489 }
 490
 491 unless ($define{USE_LOCALE_COLLATE}) {
 492     ++$skip{$_} foreach qw(
 493                     PL_collation_ix
 494                     PL_collation_name
 495                     PL_collation_standard
 496                     PL_collxfrm_base
 497                     PL_collxfrm_mult
 498                     Perl_sv_collxfrm
 499                     Perl_sv_collxfrm_flags
 500                          );
 501 }
 502
 503 unless ($define{USE_LOCALE_NUMERIC}) {
 504     ++$skip{$_} foreach qw(
 505                     PL_numeric_local
 506                     PL_numeric_name
 507                     PL_numeric_radix_sv
 508                     PL_numeric_standard
 509                          );
 510 }
 511
 512 unless ($define{HAVE_INTERP_INTERN}) {
 513     ++$skip{$_} foreach qw(
 514                     Perl_sys_intern_clear
 515                     Perl_sys_intern_dup
 516                     Perl_sys_intern_init
 517                     PL_sys_intern
 518                          );
 519 }
 520
 521 if ($define{HAS_SIGNBIT}) {
 522     ++$skip{Perl_signbit};
 523 }
 524
 525 if ($define{'PERL_GLOBAL_STRUCT'}) {
 526     readvar('perlvars.h', \%skip);
 527     # This seems like the least ugly way to cope with the fact that PL_sh_path
 528     # is mentioned in perlvar.h and globvar.sym, and always exported.
 529     delete $skip{PL_sh_path};
 530     ++$export{Perl_GetVars};
 531     try_symbols(qw(PL_Vars PL_VarsPtr)) unless $ARGS{CCTYPE} eq 'GCC';
 532 } else {
 533     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 534 }
 535
 536 # functions from *.sym files
 537
 538 my @syms = qw(globvar.sym);
 539
 540 # Symbols that are the public face of the PerlIO layers implementation
 541 # These are in _addition to_ the public face of the abstraction
 542 # and need to be exported to allow XS modules to implement layers
 543 my @layer_syms = qw(
 544                     PerlIOBase_binmode
 545                     PerlIOBase_clearerr
 546                     PerlIOBase_close
 547                     PerlIOBase_dup
 548                     PerlIOBase_eof
 549                     PerlIOBase_error
 550                     PerlIOBase_fileno
 551                     PerlIOBase_noop_fail
 552                     PerlIOBase_noop_ok
 553                     PerlIOBase_popped
 554                     PerlIOBase_pushed
 555                     PerlIOBase_read
 556                     PerlIOBase_setlinebuf
 557                     PerlIOBase_unread
 558                     PerlIOBuf_bufsiz
 559                     PerlIOBuf_close
 560                     PerlIOBuf_dup
 561                     PerlIOBuf_fill
 562                     PerlIOBuf_flush
 563                     PerlIOBuf_get_base
 564                     PerlIOBuf_get_cnt
 565                     PerlIOBuf_get_ptr
 566                     PerlIOBuf_open
 567                     PerlIOBuf_popped
 568                     PerlIOBuf_pushed
 569                     PerlIOBuf_read
 570                     PerlIOBuf_seek
 571                     PerlIOBuf_set_ptrcnt
 572                     PerlIOBuf_tell
 573                     PerlIOBuf_unread
 574                     PerlIOBuf_write
 575                     PerlIO_allocate
 576                     PerlIO_apply_layera
 577                     PerlIO_apply_layers
 578                     PerlIO_arg_fetch
 579                     PerlIO_debug
 580                     PerlIO_define_layer
 581                     PerlIO_find_layer
 582                     PerlIO_isutf8
 583                     PerlIO_layer_fetch
 584                     PerlIO_list_alloc
 585                     PerlIO_list_free
 586                     PerlIO_modestr
 587                     PerlIO_parse_layers
 588                     PerlIO_pending
 589                     PerlIO_perlio
 590                     PerlIO_pop
 591                     PerlIO_push
 592                     PerlIO_sv_dup
 593                     Perl_PerlIO_clearerr
 594                     Perl_PerlIO_close
 595                     Perl_PerlIO_context_layers
 596                     Perl_PerlIO_eof
 597                     Perl_PerlIO_error
 598                     Perl_PerlIO_fileno
 599                     Perl_PerlIO_fill
 600                     Perl_PerlIO_flush
 601                     Perl_PerlIO_get_base
 602                     Perl_PerlIO_get_bufsiz
 603                     Perl_PerlIO_get_cnt
 604                     Perl_PerlIO_get_ptr
 605                     Perl_PerlIO_read
 606                     Perl_PerlIO_seek
 607                     Perl_PerlIO_set_cnt
 608                     Perl_PerlIO_set_ptrcnt
 609                     Perl_PerlIO_setlinebuf
 610                     Perl_PerlIO_stderr
 611                     Perl_PerlIO_stdin
 612                     Perl_PerlIO_stdout
 613                     Perl_PerlIO_tell
 614                     Perl_PerlIO_unread
 615                     Perl_PerlIO_write
 616 );
 617 if ($ARGS{PLATFORM} eq 'netware') {
 618     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 619 }
 620
 621 if ($define{'USE_PERLIO'}) {
 622     # Export the symols that make up the PerlIO abstraction, regardless
 623     # of its implementation - read from a file
 624     push @syms, 'perlio.sym';
 625
 626     # This part is then dependent on how the abstraction is implemented
 627     if ($define{'USE_SFIO'}) {
 628         # Old legacy non-stdio "PerlIO"
 629         ++$skip{$_} foreach @layer_syms;
 630         ++$skip{perlsio_binmode};
 631         # SFIO defines most of the PerlIO routines as macros
 632         # So undo most of what $perlio_sym has just done - d'oh !
 633         # Perhaps it would be better to list the ones which do exist
 634         # And emit them
 635         ++$skip{$_} foreach qw(
 636                          PerlIO_canset_cnt
 637                          PerlIO_clearerr
 638                          PerlIO_close
 639                          PerlIO_eof
 640                          PerlIO_error
 641                          PerlIO_exportFILE
 642                          PerlIO_fast_gets
 643                          PerlIO_fdopen
 644                          PerlIO_fileno
 645                          PerlIO_findFILE
 646                          PerlIO_flush
 647                          PerlIO_get_base
 648                          PerlIO_get_bufsiz
 649                          PerlIO_get_cnt
 650                          PerlIO_get_ptr
 651                          PerlIO_getc
 652                          PerlIO_getname
 653                          PerlIO_has_base
 654                          PerlIO_has_cntptr
 655                          PerlIO_importFILE
 656                          PerlIO_open
 657                          PerlIO_printf
 658                          PerlIO_putc
 659                          PerlIO_puts
 660                          PerlIO_read
 661                          PerlIO_releaseFILE
 662                          PerlIO_reopen
 663                          PerlIO_rewind
 664                          PerlIO_seek
 665                          PerlIO_set_cnt
 666                          PerlIO_set_ptrcnt
 667                          PerlIO_setlinebuf
 668                          PerlIO_sprintf
 669                          PerlIO_stderr
 670                          PerlIO_stdin
 671                          PerlIO_stdout
 672                          PerlIO_stdoutf
 673                          PerlIO_tell
 674                          PerlIO_ungetc
 675                          PerlIO_vprintf
 676                          PerlIO_write
 677                          PerlIO_perlio
 678                          Perl_PerlIO_clearerr
 679                          Perl_PerlIO_close
 680                          Perl_PerlIO_eof
 681                          Perl_PerlIO_error
 682                          Perl_PerlIO_fileno
 683                          Perl_PerlIO_fill
 684                          Perl_PerlIO_flush
 685                          Perl_PerlIO_get_base
 686                          Perl_PerlIO_get_bufsiz
 687                          Perl_PerlIO_get_cnt
 688                          Perl_PerlIO_get_ptr
 689                          Perl_PerlIO_read
 690                          Perl_PerlIO_seek
 691                          Perl_PerlIO_set_cnt
 692                          Perl_PerlIO_set_ptrcnt
 693                          Perl_PerlIO_setlinebuf
 694                          Perl_PerlIO_stderr
 695                          Perl_PerlIO_stdin
 696                          Perl_PerlIO_stdout
 697                          Perl_PerlIO_tell
 698                          Perl_PerlIO_unread
 699                          Perl_PerlIO_write
 700                          PL_def_layerlist
 701                          PL_known_layers
 702                          PL_perlio
 703                              );
 704     }
 705     else {
 706         # PerlIO with layers - export implementation
 707         try_symbols(@layer_syms, 'perlsio_binmode');
 708     }
 709 } else {
 710         # -Uuseperlio
 711         # Skip the PerlIO layer symbols - although
 712         # nothing should have exported them anyway.
 713         ++$skip{$_} foreach @layer_syms;
 714         ++$skip{$_} foreach qw(
 715                         perlsio_binmode
 716                         PL_def_layerlist
 717                         PL_known_layers
 718                         PL_perlio
 719                         PL_perlio_debug_fd
 720                         PL_perlio_fd_refcnt
 721                         PL_perlio_fd_refcnt_size
 722                         PL_perlio_mutex
 723                              );
 724
 725         # Also do NOT add abstraction symbols from $perlio_sym
 726         # abstraction is done as #define to stdio
 727         # Remaining remnants that _may_ be functions are handled below.
 728 }
 729
 730 ###############################################################################
 731
 732 # At this point all skip lists should be completed, as we are about to test
 733 # many symbols against them.
 734
 735 {
 736     my %seen;
 737     my ($embed) = setup_embed($ARGS{TARG_DIR});
 738
 739     foreach (@$embed) {
 740         my ($flags, $retval, $func, @args) = @$_;
 741         next unless $func;
 742         if ($flags =~ /[AX]/ && $flags !~ /[xm]/ || $flags =~ /b/) {
 743             # public API, so export
 744
 745             # If a function is defined twice, for example before and after
 746             # an #else, only export its name once. Important to do this test
 747             # within the block, as the *first* definition may have flags which
 748             # mean "don't export"
 749             next if $seen{$func}++;
 750             $func = "Perl_$func" if $flags =~ /[pbX]/;
 751             ++$export{$func} unless exists $skip{$func};
 752         }
 753     }
 754 }
 755
 756 foreach (@syms) {
 757     my $syms = $ARGS{TARG_DIR} . $_;
 758     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 759     # Functions already have a Perl_ prefix
 760     # Variables need a PL_ prefix
 761     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
 762     while (<$global>) {
 763         next unless /^([A-Za-z].*)/;
 764         my $symbol = "$prefix$1";
 765         ++$export{$symbol} unless exists $skip{$symbol};
 766     }
 767 }
 768
 769 # variables
 770
 771 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 772     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 773     # XXX AIX seems to want the perlvars.h symbols, for some reason
 774     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 775         readvar('perlvars.h', \%export);
 776     }
 777 }
 778 else {
 779     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 780         readvar('perlvars.h', \%export);
 781     }
 782     unless ($define{MULTIPLICITY}) {
 783         readvar('intrpvar.h', \%export);
 784     }
 785 }
 786
 787 # Oddities from PerlIO
 788 # All have alternate implementations in perlio.c, so always exist.
 789 # Should they be considered to be part of the API?
 790 try_symbols(qw(
 791                     PerlIO_binmode
 792                     PerlIO_getpos
 793                     PerlIO_init
 794                     PerlIO_setpos
 795                     PerlIO_sprintf
 796                     PerlIO_tmpfile
 797                     PerlIO_vsprintf
 798              ));
 799
 800 if ($ARGS{PLATFORM} eq 'win32') {
 801     try_symbols(qw(
 802                                  setgid
 803                                  setuid
 804                                  win32_free_childdir
 805                                  win32_free_childenv
 806                                  win32_get_childdir
 807                                  win32_get_childenv
 808                                  win32_spawnvp
 809                  ));
 810 }
 811
 812 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 813     try_symbols(qw(
 814                             Perl_init_os_extras
 815                             Perl_thread_create
 816                             Perl_win32_init
 817                             Perl_win32_term
 818                             RunPerl
 819                             win32_async_check
 820                             win32_errno
 821                             win32_environ
 822                             win32_abort
 823                             win32_fstat
 824                             win32_stat
 825                             win32_pipe
 826                             win32_popen
 827                             win32_pclose
 828                             win32_rename
 829                             win32_setmode
 830                             win32_chsize
 831                             win32_lseek
 832                             win32_tell
 833                             win32_dup
 834                             win32_dup2
 835                             win32_open
 836                             win32_close
 837                             win32_eof
 838                             win32_isatty
 839                             win32_read
 840                             win32_write
 841                             win32_mkdir
 842                             win32_rmdir
 843                             win32_chdir
 844                             win32_flock
 845                             win32_execv
 846                             win32_execvp
 847                             win32_htons
 848                             win32_ntohs
 849                             win32_htonl
 850                             win32_ntohl
 851                             win32_inet_addr
 852                             win32_inet_ntoa
 853                             win32_socket
 854                             win32_bind
 855                             win32_listen
 856                             win32_accept
 857                             win32_connect
 858                             win32_send
 859                             win32_sendto
 860                             win32_recv
 861                             win32_recvfrom
 862                             win32_shutdown
 863                             win32_closesocket
 864                             win32_ioctlsocket
 865                             win32_setsockopt
 866                             win32_getsockopt
 867                             win32_getpeername
 868                             win32_getsockname
 869                             win32_gethostname
 870                             win32_gethostbyname
 871                             win32_gethostbyaddr
 872                             win32_getprotobyname
 873                             win32_getprotobynumber
 874                             win32_getservbyname
 875                             win32_getservbyport
 876                             win32_select
 877                             win32_endhostent
 878                             win32_endnetent
 879                             win32_endprotoent
 880                             win32_endservent
 881                             win32_getnetent
 882                             win32_getnetbyname
 883                             win32_getnetbyaddr
 884                             win32_getprotoent
 885                             win32_getservent
 886                             win32_sethostent
 887                             win32_setnetent
 888                             win32_setprotoent
 889                             win32_setservent
 890                             win32_getenv
 891                             win32_putenv
 892                             win32_perror
 893                             win32_malloc
 894                             win32_calloc
 895                             win32_realloc
 896                             win32_free
 897                             win32_sleep
 898                             win32_times
 899                             win32_access
 900                             win32_alarm
 901                             win32_chmod
 902                             win32_open_osfhandle
 903                             win32_get_osfhandle
 904                             win32_ioctl
 905                             win32_link
 906                             win32_unlink
 907                             win32_utime
 908                             win32_gettimeofday
 909                             win32_uname
 910                             win32_wait
 911                             win32_waitpid
 912                             win32_kill
 913                             win32_str_os_error
 914                             win32_opendir
 915                             win32_readdir
 916                             win32_telldir
 917                             win32_seekdir
 918                             win32_rewinddir
 919                             win32_closedir
 920                             win32_longpath
 921                             win32_ansipath
 922                             win32_os_id
 923                             win32_getpid
 924                             win32_crypt
 925                             win32_dynaload
 926                             win32_clearenv
 927                             win32_stdin
 928                             win32_stdout
 929                             win32_stderr
 930                             win32_ferror
 931                             win32_feof
 932                             win32_strerror
 933                             win32_fprintf
 934                             win32_printf
 935                             win32_vfprintf
 936                             win32_vprintf
 937                             win32_fread
 938                             win32_fwrite
 939                             win32_fopen
 940                             win32_fdopen
 941                             win32_freopen
 942                             win32_fclose
 943                             win32_fputs
 944                             win32_fputc
 945                             win32_ungetc
 946                             win32_getc
 947                             win32_fileno
 948                             win32_clearerr
 949                             win32_fflush
 950                             win32_ftell
 951                             win32_fseek
 952                             win32_fgetpos
 953                             win32_fsetpos
 954                             win32_rewind
 955                             win32_tmpfile
 956                             win32_setbuf
 957                             win32_setvbuf
 958                             win32_flushall
 959                             win32_fcloseall
 960                             win32_fgets
 961                             win32_gets
 962                             win32_fgetc
 963                             win32_putc
 964                             win32_puts
 965                             win32_getchar
 966                             win32_putchar
 967                  ));
 968 }
 969 elsif ($ARGS{PLATFORM} eq 'vms') {
 970     try_symbols(qw(
 971                       Perl_cando
 972                       Perl_cando_by_name
 973                       Perl_closedir
 974                       Perl_csighandler_init
 975                       Perl_do_rmdir
 976                       Perl_fileify_dirspec
 977                       Perl_fileify_dirspec_ts
 978                       Perl_fileify_dirspec_utf8
 979                       Perl_fileify_dirspec_utf8_ts
 980                       Perl_flex_fstat
 981                       Perl_flex_lstat
 982                       Perl_flex_stat
 983                       Perl_kill_file
 984                       Perl_my_chdir
 985                       Perl_my_chmod
 986                       Perl_my_crypt
 987                       Perl_my_endpwent
 988                       Perl_my_fclose
 989                       Perl_my_fdopen
 990                       Perl_my_fgetname
 991                       Perl_my_flush
 992                       Perl_my_fwrite
 993                       Perl_my_gconvert
 994                       Perl_my_getenv
 995                       Perl_my_getenv_len
 996                       Perl_my_getlogin
 997                       Perl_my_getpwnam
 998                       Perl_my_getpwuid
 999                       Perl_my_gmtime
1000                       Perl_my_kill
1001                       Perl_my_localtime
1002                       Perl_my_mkdir
1003                       Perl_my_sigaction
1004                       Perl_my_symlink
1005                       Perl_my_time
1006                       Perl_my_tmpfile
1007                       Perl_my_trnlnm
1008                       Perl_my_utime
1009                       Perl_my_waitpid
1010                       Perl_opendir
1011                       Perl_pathify_dirspec
1012                       Perl_pathify_dirspec_ts
1013                       Perl_pathify_dirspec_utf8
1014                       Perl_pathify_dirspec_utf8_ts
1015                       Perl_readdir
1016                       Perl_readdir_r
1017                       Perl_rename
1018                       Perl_rmscopy
1019                       Perl_rmsexpand
1020                       Perl_rmsexpand_ts
1021                       Perl_rmsexpand_utf8
1022                       Perl_rmsexpand_utf8_ts
1023                       Perl_seekdir
1024                       Perl_sig_to_vmscondition
1025                       Perl_telldir
1026                       Perl_tounixpath
1027                       Perl_tounixpath_ts
1028                       Perl_tounixpath_utf8
1029                       Perl_tounixpath_utf8_ts
1030                       Perl_tounixspec
1031                       Perl_tounixspec_ts
1032                       Perl_tounixspec_utf8
1033                       Perl_tounixspec_utf8_ts
1034                       Perl_tovmspath
1035                       Perl_tovmspath_ts
1036                       Perl_tovmspath_utf8
1037                       Perl_tovmspath_utf8_ts
1038                       Perl_tovmsspec
1039                       Perl_tovmsspec_ts
1040                       Perl_tovmsspec_utf8
1041                       Perl_tovmsspec_utf8_ts
1042                       Perl_trim_unixpath
1043                       Perl_vms_case_tolerant
1044                       Perl_vms_do_aexec
1045                       Perl_vms_do_exec
1046                       Perl_vms_image_init
1047                       Perl_vms_realpath
1048                       Perl_vmssetenv
1049                       Perl_vmssetuserlnm
1050                       Perl_vmstrnenv
1051                       PerlIO_openn
1052                  ));
1053 }
1054 elsif ($ARGS{PLATFORM} eq 'os2') {
1055     try_symbols(qw(
1056                       ctermid
1057                       get_sysinfo
1058                       Perl_OS2_init
1059                       Perl_OS2_init3
1060                       Perl_OS2_term
1061                       OS2_Perl_data
1062                       dlopen
1063                       dlsym
1064                       dlerror
1065                       dlclose
1066                       dup2
1067                       dup
1068                       my_tmpfile
1069                       my_tmpnam
1070                       my_flock
1071                       my_rmdir
1072                       my_mkdir
1073                       my_getpwuid
1074                       my_getpwnam
1075                       my_getpwent
1076                       my_setpwent
1077                       my_endpwent
1078                       fork_with_resources
1079                       croak_with_os2error
1080                       setgrent
1081                       endgrent
1082                       getgrent
1083                       malloc_mutex
1084                       threads_mutex
1085                       nthreads
1086                       nthreads_cond
1087                       os2_cond_wait
1088                       os2_stat
1089                       os2_execname
1090                       async_mssleep
1091                       msCounter
1092                       InfoTable
1093                       pthread_join
1094                       pthread_create
1095                       pthread_detach
1096                       XS_Cwd_change_drive
1097                       XS_Cwd_current_drive
1098                       XS_Cwd_extLibpath
1099                       XS_Cwd_extLibpath_set
1100                       XS_Cwd_sys_abspath
1101                       XS_Cwd_sys_chdir
1102                       XS_Cwd_sys_cwd
1103                       XS_Cwd_sys_is_absolute
1104                       XS_Cwd_sys_is_relative
1105                       XS_Cwd_sys_is_rooted
1106                       XS_DynaLoader_mod2fname
1107                       XS_File__Copy_syscopy
1108                       Perl_Register_MQ
1109                       Perl_Deregister_MQ
1110                       Perl_Serve_Messages
1111                       Perl_Process_Messages
1112                       init_PMWIN_entries
1113                       PMWIN_entries
1114                       Perl_hab_GET
1115                       loadByOrdinal
1116                       pExtFCN
1117                       os2error
1118                       ResetWinError
1119                       CroakWinError
1120                       PL_do_undump
1121                  ));
1122 }
1123 elsif ($ARGS{PLATFORM} eq 'netware') {
1124     try_symbols(qw(
1125                         Perl_init_os_extras
1126                         Perl_thread_create
1127                         Perl_nw5_init
1128                         RunPerl
1129                         AllocStdPerl
1130                         FreeStdPerl
1131                         do_spawn2
1132                         do_aspawn
1133                         nw_uname
1134                         nw_stdin
1135                         nw_stdout
1136                         nw_stderr
1137                         nw_feof
1138                         nw_ferror
1139                         nw_fopen
1140                         nw_fclose
1141                         nw_clearerr
1142                         nw_getc
1143                         nw_fgets
1144                         nw_fputc
1145                         nw_fputs
1146                         nw_fflush
1147                         nw_ungetc
1148                         nw_fileno
1149                         nw_fdopen
1150                         nw_freopen
1151                         nw_fread
1152                         nw_fwrite
1153                         nw_setbuf
1154                         nw_setvbuf
1155                         nw_vfprintf
1156                         nw_ftell
1157                         nw_fseek
1158                         nw_rewind
1159                         nw_tmpfile
1160                         nw_fgetpos
1161                         nw_fsetpos
1162                         nw_dup
1163                         nw_access
1164                         nw_chmod
1165                         nw_chsize
1166                         nw_close
1167                         nw_dup2
1168                         nw_flock
1169                         nw_isatty
1170                         nw_link
1171                         nw_lseek
1172                         nw_stat
1173                         nw_mktemp
1174                         nw_open
1175                         nw_read
1176                         nw_rename
1177                         nw_setmode
1178                         nw_unlink
1179                         nw_utime
1180                         nw_write
1181                         nw_chdir
1182                         nw_rmdir
1183                         nw_closedir
1184                         nw_opendir
1185                         nw_readdir
1186                         nw_rewinddir
1187                         nw_seekdir
1188                         nw_telldir
1189                         nw_htonl
1190                         nw_htons
1191                         nw_ntohl
1192                         nw_ntohs
1193                         nw_accept
1194                         nw_bind
1195                         nw_connect
1196                         nw_endhostent
1197                         nw_endnetent
1198                         nw_endprotoent
1199                         nw_endservent
1200                         nw_gethostbyaddr
1201                         nw_gethostbyname
1202                         nw_gethostent
1203                         nw_gethostname
1204                         nw_getnetbyaddr
1205                         nw_getnetbyname
1206                         nw_getnetent
1207                         nw_getpeername
1208                         nw_getprotobyname
1209                         nw_getprotobynumber
1210                         nw_getprotoent
1211                         nw_getservbyname
1212                         nw_getservbyport
1213                         nw_getservent
1214                         nw_getsockname
1215                         nw_getsockopt
1216                         nw_inet_addr
1217                         nw_listen
1218                         nw_socket
1219                         nw_recv
1220                         nw_recvfrom
1221                         nw_select
1222                         nw_send
1223                         nw_sendto
1224                         nw_sethostent
1225                         nw_setnetent
1226                         nw_setprotoent
1227                         nw_setservent
1228                         nw_setsockopt
1229                         nw_inet_ntoa
1230                         nw_shutdown
1231                         nw_crypt
1232                         nw_execvp
1233                         nw_kill
1234                         nw_Popen
1235                         nw_Pclose
1236                         nw_Pipe
1237                         nw_times
1238                         nw_waitpid
1239                         nw_getpid
1240                         nw_spawnvp
1241                         nw_os_id
1242                         nw_open_osfhandle
1243                         nw_get_osfhandle
1244                         nw_abort
1245                         nw_sleep
1246                         nw_wait
1247                         nw_dynaload
1248                         nw_strerror
1249                         fnFpSetMode
1250                         fnInsertHashListAddrs
1251                         fnGetHashListAddrs
1252                         Perl_deb
1253                         Perl_sv_setsv
1254                         Perl_sv_catsv
1255                         Perl_sv_catpvn
1256                         Perl_sv_2pv
1257                         nw_freeenviron
1258                         Remove_Thread_Ctx
1259                  ));
1260 }
1261
1262 # When added this code was only run for Win32 and WinCE
1263 # Currently only Win32 links static extensions into the shared library.
1264 # The WinCE makefile doesn't appear to support static extensions, so this code
1265 # can't have any effect there.
1266 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1267 # list of dynamic extensions, and the rules to build them)
1268 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1269 # static extensions with -fPIC, but links them to perl, not libperl.so
1270 # The VMS build scripts don't yet implement static extensions at all.
1271
1272 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1273     # records of type boot_module for statically linked modules (except Dynaloader)
1274     my $static_ext = $Config{static_ext} // "";
1275     $static_ext =~ s/\//__/g;
1276     $static_ext =~ s/\bDynaLoader\b//;
1277     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1278     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1279 }
1280
1281 if ($ARGS{PLATFORM} eq 'os2') {
1282     my (%mapped, @missing);
1283     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1284     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1285     close MAP or die 'Cannot close miniperl.map';
1286
1287     @missing = grep { !exists $mapped{$_} }
1288                     keys %export;
1289     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1290     delete $export{$_} foreach @missing;
1291 }
1292
1293 ###############################################################################
1294
1295 # Now all symbols should be defined because next we are going to output them.
1296
1297 # Start with platform specific headers:
1298
1299 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1300     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1301         : "perl$Config{api_revision}$Config{api_version}";
1302     print "LIBRARY $dll\n";
1303     # The DESCRIPTION module definition file statement is not supported
1304     # by VC7 onwards.
1305     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1306         print "DESCRIPTION 'Perl interpreter'\n";
1307     }
1308     print "EXPORTS\n";
1309 }
1310 elsif ($ARGS{PLATFORM} eq 'os2') {
1311     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1312     $v .= '-thread' if $Config{archname} =~ /-thread/;
1313     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1314     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1315     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1316     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1317     print <<"---EOP---";
1318 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1319 $d
1320 STACKSIZE 32768
1321 CODE LOADONCALL
1322 DATA LOADONCALL NONSHARED MULTIPLE
1323 EXPORTS
1324 ---EOP---
1325 }
1326 elsif ($ARGS{PLATFORM} eq 'aix') {
1327     my $OSVER = `uname -v`;
1328     chop $OSVER;
1329     my $OSREL = `uname -r`;
1330     chop $OSREL;
1331     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1332         print "#! ..\n";
1333     } else {
1334         print "#!\n";
1335     }
1336 }
1337 elsif ($ARGS{PLATFORM} eq 'netware') {
1338         if ($ARGS{FILETYPE} eq 'def') {
1339         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1340         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1341         print "EXPORTS\n";
1342         }
1343 }
1344
1345 # Then the symbols
1346
1347 foreach my $symbol (sort keys %export) {
1348     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1349         print "\t$symbol\n";
1350     }
1351     elsif ($ARGS{PLATFORM} eq 'os2') {
1352         printf qq(    %-31s \@%s\n),
1353           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1354         printf qq(    %-31s \@%s\n),
1355           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1356           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1357           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1358     }
1359     elsif ($ARGS{PLATFORM} eq 'netware') {
1360         print "\t$symbol,\n";
1361     } else {
1362         print "$symbol\n";
1363     }
1364 }
1365
1366 # Then platform specific footers.
1367
1368 if ($ARGS{PLATFORM} eq 'os2') {
1369     print <<EOP;
1370     dll_perlmain=main
1371     fill_extLibpath
1372     dir_subst
1373     Perl_OS2_handler_install
1374
1375 ; LAST_ORDINAL=$sym_ord
1376 EOP
1377 }
1378
1379 1;