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 my $fold;
  44
  45 sub process_cc_flags {
  46     foreach (map {split /\s+/, $_} @_) {
  47         $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  48     }
  49 }
  50
  51 while (@ARGV) {
  52     my $flag = shift;
  53     if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  54         process_cc_flags($1);
  55     } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  56         $ARGS{$1} = $2;
  57     } elsif ($flag eq '--sort-fold') {
  58         ++$fold;
  59     }
  60 }
  61
  62 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
  63
  64 {
  65     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  66     my %PLATFORM;
  67     @PLATFORM{@PLATFORM} = ();
  68
  69     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  70         unless defined $ARGS{PLATFORM};
  71     die "PLATFORM must be one of: @PLATFORM\n"
  72         unless exists $PLATFORM{$ARGS{PLATFORM}};
  73 }
  74
  75 # Is the following guard strictly necessary? Added during refactoring
  76 # to keep the same behaviour when merging other code into here.
  77 process_cc_flags(@Config{qw(ccflags optimize)})
  78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
  79     && $ARGS{PLATFORM} ne 'netware';
  80
  81 # Add the compile-time options that miniperl was built with to %define.
  82 # On Win32 these are not the same options as perl itself will be built
  83 # with since miniperl is built with a canned config (one of the win32/
  84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  85 # but they do include some #define's that are hard-coded in various
  86 # source files and header files and don't include any BUILDOPT's that
  87 # the user might have chosen to disable because the canned configs are
  88 # minimal configs that don't include any of those options.
  89
  90 #don't use the host Perl's -V defines for the WinCE Perl
  91 if($ARGS{PLATFORM} ne 'wince') {
  92     my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
  93     print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
  94     $define{$_} = 1 foreach @options;
  95 }
  96
  97 my %exportperlmalloc =
  98     (
  99        Perl_malloc              =>      "malloc",
 100        Perl_mfree               =>      "free",
 101        Perl_realloc             =>      "realloc",
 102        Perl_calloc              =>      "calloc",
 103     );
 104
 105 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
 106
 107 my $config_h = 'config.h';
 108 open(CFG, '<', $config_h) || die "Cannot open $config_h: $!\n";
 109 while (<CFG>) {
 110     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 111                                            |SPRINTF_RETURNS_STRLEN
 112                                            |KILL_BY_SIGPRC
 113                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 114 }
 115 close(CFG);
 116
 117 # perl.h logic duplication begins
 118
 119 if ($define{USE_ITHREADS}) {
 120     if (!$define{MULTIPLICITY}) {
 121         $define{MULTIPLICITY} = 1;
 122     }
 123 }
 124
 125 $define{PERL_IMPLICIT_CONTEXT} ||=
 126     $define{USE_ITHREADS} ||
 127     $define{MULTIPLICITY} ;
 128
 129 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
 130     $define{USE_REENTRANT_API} = 1;
 131 }
 132
 133 # perl.h logic duplication ends
 134
 135 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 136      unless $ARGS{PLATFORM} eq 'test';
 137
 138 my $sym_ord = 0;
 139 my %ordinal;
 140
 141 if ($ARGS{PLATFORM} eq 'os2') {
 142     if (open my $fh, '<', 'perl5.def') {
 143       while (<$fh>) {
 144         last if /^\s*EXPORTS\b/;
 145       }
 146       while (<$fh>) {
 147         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 148         # This allows skipping ordinals which were used in older versions
 149         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 150       }
 151       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 152     }
 153 }
 154
 155 my %skip;
 156 # All platforms export boot_DynaLoader unconditionally.
 157 my %export = ( boot_DynaLoader => 1 );
 158
 159 sub try_symbols {
 160     foreach my $symbol (@_) {
 161         ++$export{$symbol} unless exists $skip{$symbol};
 162     }
 163 }
 164
 165 sub readvar {
 166     # $hash is the hash that we're adding to. For one of our callers, it will
 167     # actually be the skip hash but that doesn't affect the intent of what
 168     # we're doing, as in that case we skip adding something to the skip hash
 169     # for the second time.
 170
 171     my $file = $ARGS{TARG_DIR} . shift;
 172     my $hash = shift;
 173     my $proc = shift;
 174     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 175
 176     while (<$vars>) {
 177         # All symbols have a Perl_ prefix because that's what embed.h sticks
 178         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 179         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 180
 181         my $var = "PL_$3";
 182         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 183         ++$hash->{$symbol} unless exists $skip{$var};
 184     }
 185 }
 186
 187 if ($ARGS{PLATFORM} ne 'os2') {
 188     ++$skip{$_} foreach qw(
 189                      PL_cryptseen
 190                      PL_opsave
 191                      Perl_GetVars
 192                      Perl_dump_fds
 193                      Perl_my_bcopy
 194                      Perl_my_bzero
 195                      Perl_my_chsize
 196                      Perl_my_htonl
 197                      Perl_my_memcmp
 198                      Perl_my_memset
 199                      Perl_my_ntohl
 200                      Perl_my_swap
 201                          );
 202     if ($ARGS{PLATFORM} eq 'vms') {
 203         ++$skip{PL_statusvalue_posix};
 204         # This is a wrapper if we have symlink, not a replacement
 205         # if we don't.
 206         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
 207     } else {
 208         ++$skip{PL_statusvalue_vms};
 209         if ($ARGS{PLATFORM} ne 'aix') {
 210             ++$skip{$_} foreach qw(
 211                                 PL_DBcv
 212                                 PL_generation
 213                                 PL_lastgotoprobe
 214                                 PL_modcount
 215                                 PL_timesbuf
 216                                 main
 217                                  );
 218         }
 219     }
 220 }
 221
 222 if ($ARGS{PLATFORM} ne 'vms') {
 223     # VMS does its own thing for these symbols.
 224     ++$skip{$_} foreach qw(
 225                         PL_sig_handlers_initted
 226                         PL_sig_ignoring
 227                         PL_sig_defaulting
 228                          );
 229     if ($ARGS{PLATFORM} ne 'win32') {
 230         ++$skip{$_} foreach qw(
 231                             Perl_do_spawn
 232                             Perl_do_spawn_nowait
 233                             Perl_do_aspawn
 234                              );
 235     }
 236 }
 237
 238 if ($ARGS{PLATFORM} ne 'win32') {
 239     ++$skip{$_} foreach qw(
 240                     Perl_my_setlocale
 241                          );
 242 }
 243
 244 unless ($define{UNLINK_ALL_VERSIONS}) {
 245     ++$skip{Perl_unlnk};
 246 }
 247
 248 unless ($define{'DEBUGGING'}) {
 249     ++$skip{$_} foreach qw(
 250                     Perl_debop
 251                     Perl_debprofdump
 252                     Perl_debstack
 253                     Perl_debstackptrs
 254                     Perl_pad_sv
 255                     Perl_pad_setsv
 256                     Perl_set_padlist
 257                     Perl_hv_assert
 258                     PL_watchaddr
 259                     PL_watchok
 260                     PL_watch_pvx
 261                          );
 262 }
 263
 264 if ($define{'PERL_IMPLICIT_SYS'}) {
 265     ++$skip{$_} foreach qw(
 266                     Perl_my_popen
 267                     Perl_my_pclose
 268                          );
 269     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 270     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 271 }
 272 else {
 273     ++$skip{$_} foreach qw(
 274                     PL_Mem
 275                     PL_MemShared
 276                     PL_MemParse
 277                     PL_Env
 278                     PL_StdIO
 279                     PL_LIO
 280                     PL_Dir
 281                     PL_Sock
 282                     PL_Proc
 283                     perl_alloc_using
 284                     perl_clone_using
 285                          );
 286 }
 287
 288 unless ($define{'PERL_OLD_COPY_ON_WRITE'}
 289      || $define{'PERL_NEW_COPY_ON_WRITE'}) {
 290     ++$skip{Perl_sv_setsv_cow};
 291 }
 292
 293 unless ($define{PERL_SAWAMPERSAND}) {
 294     ++$skip{PL_sawampersand};
 295 }
 296
 297 unless ($define{'USE_REENTRANT_API'}) {
 298     ++$skip{PL_reentrant_buffer};
 299 }
 300
 301 if ($define{'MYMALLOC'}) {
 302     try_symbols(qw(
 303                     Perl_dump_mstats
 304                     Perl_get_mstats
 305                     Perl_strdup
 306                     Perl_putenv
 307                     MallocCfg_ptr
 308                     MallocCfgP_ptr
 309                     ));
 310     unless ($define{USE_ITHREADS}) {
 311         ++$skip{PL_malloc_mutex}
 312     }
 313 }
 314 else {
 315     ++$skip{$_} foreach qw(
 316                     PL_malloc_mutex
 317                     Perl_dump_mstats
 318                     Perl_get_mstats
 319                     MallocCfg_ptr
 320                     MallocCfgP_ptr
 321                          );
 322 }
 323
 324 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 325     ++$skip{PL_use_safe_putenv};
 326 }
 327
 328 unless ($define{'USE_ITHREADS'}) {
 329     ++$skip{PL_thr_key};
 330 }
 331
 332 # USE_5005THREADS symbols. Kept as reference for easier removal
 333 ++$skip{$_} foreach qw(
 334                     PL_sv_mutex
 335                     PL_strtab_mutex
 336                     PL_svref_mutex
 337                     PL_cred_mutex
 338                     PL_eval_mutex
 339                     PL_fdpid_mutex
 340                     PL_sv_lock_mutex
 341                     PL_eval_cond
 342                     PL_eval_owner
 343                     PL_threads_mutex
 344                     PL_nthreads
 345                     PL_nthreads_cond
 346                     PL_threadnum
 347                     PL_threadsv_names
 348                     PL_thrsv
 349                     PL_vtbl_mutex
 350                     Perl_condpair_magic
 351                     Perl_new_struct_thread
 352                     Perl_per_thread_magicals
 353                     Perl_thread_create
 354                     Perl_find_threadsv
 355                     Perl_unlock_condpair
 356                     Perl_magic_mutexfree
 357                     Perl_sv_lock
 358                      );
 359
 360 unless ($define{'USE_ITHREADS'}) {
 361     ++$skip{$_} foreach qw(
 362                     PL_check_mutex
 363                     PL_op_mutex
 364                     PL_regex_pad
 365                     PL_regex_padav
 366                     PL_dollarzero_mutex
 367                     PL_hints_mutex
 368                     PL_my_ctx_mutex
 369                     PL_perlio_mutex
 370                     PL_stashpad
 371                     PL_stashpadix
 372                     PL_stashpadmax
 373                     Perl_alloccopstash
 374                     Perl_allocfilegv
 375                     Perl_clone_params_del
 376                     Perl_clone_params_new
 377                     Perl_parser_dup
 378                     Perl_dirp_dup
 379                     Perl_cx_dup
 380                     Perl_si_dup
 381                     Perl_any_dup
 382                     Perl_ss_dup
 383                     Perl_fp_dup
 384                     Perl_gp_dup
 385                     Perl_he_dup
 386                     Perl_mg_dup
 387                     Perl_re_dup_guts
 388                     Perl_sv_dup
 389                     Perl_sv_dup_inc
 390                     Perl_rvpv_dup
 391                     Perl_hek_dup
 392                     Perl_sys_intern_dup
 393                     perl_clone
 394                     perl_clone_using
 395                     Perl_stashpv_hvname_match
 396                     Perl_regdupe_internal
 397                     Perl_newPADOP
 398                          );
 399 }
 400
 401 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 402     ++$skip{$_} foreach qw(
 403                     PL_my_cxt_index
 404                     PL_my_cxt_list
 405                     PL_my_cxt_size
 406                     PL_my_cxt_keys
 407                     Perl_croak_nocontext
 408                     Perl_die_nocontext
 409                     Perl_deb_nocontext
 410                     Perl_form_nocontext
 411                     Perl_load_module_nocontext
 412                     Perl_mess_nocontext
 413                     Perl_warn_nocontext
 414                     Perl_warner_nocontext
 415                     Perl_newSVpvf_nocontext
 416                     Perl_sv_catpvf_nocontext
 417                     Perl_sv_setpvf_nocontext
 418                     Perl_sv_catpvf_mg_nocontext
 419                     Perl_sv_setpvf_mg_nocontext
 420                     Perl_my_cxt_init
 421                     Perl_my_cxt_index
 422                          );
 423 }
 424 if ($define{'NO_MATHOMS'}) {
 425     # win32 builds happen in the win32/ subdirectory, but vms builds happen
 426     # at the top level, so we need to look in two candidate locations for
 427     # the mathoms.c file.
 428     my ($file) = grep { -f } qw( mathoms.c ../mathoms.c )
 429         or die "No mathoms.c file found in . or ..\n";
 430     open my $mathoms, '<', $file
 431         or die "Cannot open $file: $!\n";
 432     while (<$mathoms>) {
 433         ++$skip{$1} if /\A ( NATIVE_TO_NEED
 434                            | ASCII_TO_NEED
 435                            | Perl_\w+ ) \s* \( /axms;
 436     }
 437 }
 438
 439 unless ($define{'PERL_NEED_APPCTX'}) {
 440     ++$skip{PL_appctx};
 441 }
 442
 443 unless ($define{'PERL_NEED_TIMESBASE'}) {
 444     ++$skip{PL_timesbase};
 445 }
 446
 447 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 448     ++$skip{PL_sv_serial};
 449 }
 450
 451 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 452     ++$skip{PL_dumper_fd};
 453 }
 454
 455 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 456     ++$skip{Perl_gv_SVadd};
 457 }
 458
 459 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 460     ++$skip{Perl_my_sprintf};
 461 }
 462
 463 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 464     ++$skip{PL_pidstatus};
 465 }
 466
 467 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 468     ++$skip{PL_memory_debug_header};
 469 }
 470
 471 unless ($define{'MULTIPLICITY'}) {
 472     ++$skip{$_} foreach qw(
 473                     PL_interp_size
 474                     PL_interp_size_5_18_0
 475                          );
 476 }
 477
 478 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 479     ++$skip{PL_global_struct_size};
 480 }
 481
 482 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 483     ++$skip{$_} foreach qw(
 484                     PL_my_cxt_keys
 485                     Perl_my_cxt_index
 486                          );
 487 }
 488
 489 unless ($define{HAS_MMAP}) {
 490     ++$skip{PL_mmap_page_size};
 491 }
 492
 493 if ($define{HAS_SIGACTION}) {
 494     ++$skip{PL_sig_trapped};
 495
 496     if ($ARGS{PLATFORM} eq 'vms') {
 497         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 498         ++$skip{PL_sig_ignoring};
 499         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
 500     }
 501 }
 502
 503 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
 504     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
 505     ++$skip{Perl_csighandler_init};
 506     ++$skip{Perl_my_kill};
 507     ++$skip{Perl_sig_to_vmscondition};
 508     ++$skip{PL_sig_defaulting};
 509     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
 510 }
 511
 512 unless ($define{USE_LOCALE_COLLATE}) {
 513     ++$skip{$_} foreach qw(
 514                     PL_collation_ix
 515                     PL_collation_name
 516                     PL_collation_standard
 517                     PL_collxfrm_base
 518                     PL_collxfrm_mult
 519                     Perl_sv_collxfrm
 520                     Perl_sv_collxfrm_flags
 521                          );
 522 }
 523
 524 unless ($define{USE_LOCALE_NUMERIC}) {
 525     ++$skip{$_} foreach qw(
 526                     PL_numeric_local
 527                     PL_numeric_name
 528                     PL_numeric_radix_sv
 529                     PL_numeric_standard
 530                          );
 531 }
 532
 533 unless ($define{'USE_C_BACKTRACE'}) {
 534     ++$skip{Perl_get_c_backtrace_dump};
 535     ++$skip{Perl_dump_c_backtrace};
 536 }
 537
 538 unless ($define{HAVE_INTERP_INTERN}) {
 539     ++$skip{$_} foreach qw(
 540                     Perl_sys_intern_clear
 541                     Perl_sys_intern_dup
 542                     Perl_sys_intern_init
 543                     PL_sys_intern
 544                          );
 545 }
 546
 547 if ($define{HAS_SIGNBIT}) {
 548     ++$skip{Perl_signbit};
 549 }
 550
 551 if ($define{'PERL_GLOBAL_STRUCT'}) {
 552     readvar('perlvars.h', \%skip);
 553     # This seems like the least ugly way to cope with the fact that PL_sh_path
 554     # is mentioned in perlvar.h and globvar.sym, and always exported.
 555     delete $skip{PL_sh_path};
 556     ++$export{Perl_GetVars};
 557     try_symbols(qw(PL_Vars PL_VarsPtr))
 558       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
 559 } else {
 560     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 561 }
 562
 563 ++$skip{PL_op_exec_cnt}
 564     unless $define{PERL_TRACE_OPS};
 565
 566 # functions from *.sym files
 567
 568 my @syms = qw(globvar.sym);
 569
 570 # Symbols that are the public face of the PerlIO layers implementation
 571 # These are in _addition to_ the public face of the abstraction
 572 # and need to be exported to allow XS modules to implement layers
 573 my @layer_syms = qw(
 574                     PerlIOBase_binmode
 575                     PerlIOBase_clearerr
 576                     PerlIOBase_close
 577                     PerlIOBase_dup
 578                     PerlIOBase_eof
 579                     PerlIOBase_error
 580                     PerlIOBase_fileno
 581                     PerlIOBase_open
 582                     PerlIOBase_noop_fail
 583                     PerlIOBase_noop_ok
 584                     PerlIOBase_popped
 585                     PerlIOBase_pushed
 586                     PerlIOBase_read
 587                     PerlIOBase_setlinebuf
 588                     PerlIOBase_unread
 589                     PerlIOBuf_bufsiz
 590                     PerlIOBuf_close
 591                     PerlIOBuf_dup
 592                     PerlIOBuf_fill
 593                     PerlIOBuf_flush
 594                     PerlIOBuf_get_base
 595                     PerlIOBuf_get_cnt
 596                     PerlIOBuf_get_ptr
 597                     PerlIOBuf_open
 598                     PerlIOBuf_popped
 599                     PerlIOBuf_pushed
 600                     PerlIOBuf_read
 601                     PerlIOBuf_seek
 602                     PerlIOBuf_set_ptrcnt
 603                     PerlIOBuf_tell
 604                     PerlIOBuf_unread
 605                     PerlIOBuf_write
 606                     PerlIO_allocate
 607                     PerlIO_apply_layera
 608                     PerlIO_apply_layers
 609                     PerlIO_arg_fetch
 610                     PerlIO_debug
 611                     PerlIO_define_layer
 612                     PerlIO_find_layer
 613                     PerlIO_isutf8
 614                     PerlIO_layer_fetch
 615                     PerlIO_list_alloc
 616                     PerlIO_list_free
 617                     PerlIO_modestr
 618                     PerlIO_parse_layers
 619                     PerlIO_pending
 620                     PerlIO_perlio
 621                     PerlIO_pop
 622                     PerlIO_push
 623                     PerlIO_sv_dup
 624                     Perl_PerlIO_clearerr
 625                     Perl_PerlIO_close
 626                     Perl_PerlIO_context_layers
 627                     Perl_PerlIO_eof
 628                     Perl_PerlIO_error
 629                     Perl_PerlIO_fileno
 630                     Perl_PerlIO_fill
 631                     Perl_PerlIO_flush
 632                     Perl_PerlIO_get_base
 633                     Perl_PerlIO_get_bufsiz
 634                     Perl_PerlIO_get_cnt
 635                     Perl_PerlIO_get_ptr
 636                     Perl_PerlIO_read
 637                     Perl_PerlIO_restore_errno
 638                     Perl_PerlIO_save_errno
 639                     Perl_PerlIO_seek
 640                     Perl_PerlIO_set_cnt
 641                     Perl_PerlIO_set_ptrcnt
 642                     Perl_PerlIO_setlinebuf
 643                     Perl_PerlIO_stderr
 644                     Perl_PerlIO_stdin
 645                     Perl_PerlIO_stdout
 646                     Perl_PerlIO_tell
 647                     Perl_PerlIO_unread
 648                     Perl_PerlIO_write
 649 );
 650 if ($ARGS{PLATFORM} eq 'netware') {
 651     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 652 }
 653
 654 if ($define{'USE_PERLIO'}) {
 655     # Export the symbols that make up the PerlIO abstraction, regardless
 656     # of its implementation - read from a file
 657     push @syms, 'perlio.sym';
 658
 659     # PerlIO with layers - export implementation
 660     try_symbols(@layer_syms, 'perlsio_binmode');
 661 } else {
 662         # -Uuseperlio
 663         # Skip the PerlIO layer symbols - although
 664         # nothing should have exported them anyway.
 665         ++$skip{$_} foreach @layer_syms;
 666         ++$skip{$_} foreach qw(
 667                         perlsio_binmode
 668                         PL_def_layerlist
 669                         PL_known_layers
 670                         PL_perlio
 671                         PL_perlio_debug_fd
 672                         PL_perlio_fd_refcnt
 673                         PL_perlio_fd_refcnt_size
 674                         PL_perlio_mutex
 675                              );
 676
 677         # Also do NOT add abstraction symbols from $perlio_sym
 678         # abstraction is done as #define to stdio
 679         # Remaining remnants that _may_ be functions are handled below.
 680 }
 681
 682 unless ($define{'USE_QUADMATH'}) {
 683   ++$skip{Perl_quadmath_format_needed};
 684   ++$skip{Perl_quadmath_format_single};
 685 }
 686
 687 ###############################################################################
 688
 689 # At this point all skip lists should be completed, as we are about to test
 690 # many symbols against them.
 691
 692 {
 693     my %seen;
 694     my ($embed) = setup_embed($ARGS{TARG_DIR});
 695
 696     foreach (@$embed) {
 697         my ($flags, $retval, $func, @args) = @$_;
 698         next unless $func;
 699         if ($flags =~ /[AX]/ && $flags !~ /[xmi]/ || $flags =~ /b/) {
 700             # public API, so export
 701
 702             # If a function is defined twice, for example before and after
 703             # an #else, only export its name once. Important to do this test
 704             # within the block, as the *first* definition may have flags which
 705             # mean "don't export"
 706             next if $seen{$func}++;
 707             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
 708             $func = "Perl_$func" if ($flags =~ /[pbX]/ && $func !~ /^Perl_/);
 709             ++$export{$func} unless exists $skip{$func};
 710         }
 711     }
 712 }
 713
 714 foreach (@syms) {
 715     my $syms = $ARGS{TARG_DIR} . $_;
 716     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 717     while (<$global>) {
 718         next unless /^([A-Za-z].*)/;
 719         my $symbol = "$1";
 720         ++$export{$symbol} unless exists $skip{$symbol};
 721     }
 722 }
 723
 724 # variables
 725
 726 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 727     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 728     # XXX AIX seems to want the perlvars.h symbols, for some reason
 729     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 730         readvar('perlvars.h', \%export);
 731     }
 732 }
 733 else {
 734     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 735         readvar('perlvars.h', \%export);
 736     }
 737     unless ($define{MULTIPLICITY}) {
 738         readvar('intrpvar.h', \%export);
 739     }
 740 }
 741
 742 # Oddities from PerlIO
 743 # All have alternate implementations in perlio.c, so always exist.
 744 # Should they be considered to be part of the API?
 745 try_symbols(qw(
 746                     PerlIO_binmode
 747                     PerlIO_getpos
 748                     PerlIO_init
 749                     PerlIO_setpos
 750                     PerlIO_tmpfile
 751              ));
 752
 753 if ($ARGS{PLATFORM} eq 'win32') {
 754     try_symbols(qw(
 755                                  win32_free_childdir
 756                                  win32_free_childenv
 757                                  win32_get_childdir
 758                                  win32_get_childenv
 759                                  win32_spawnvp
 760                  ));
 761 }
 762
 763 if ($ARGS{PLATFORM} eq 'wince') {
 764     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
 765 }
 766
 767 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 768     try_symbols(qw(
 769                             Perl_init_os_extras
 770                             Perl_thread_create
 771                             Perl_win32_init
 772                             Perl_win32_term
 773                             RunPerl
 774                             win32_async_check
 775                             win32_errno
 776                             win32_environ
 777                             win32_abort
 778                             win32_fstat
 779                             win32_stat
 780                             win32_pipe
 781                             win32_popen
 782                             win32_pclose
 783                             win32_rename
 784                             win32_setmode
 785                             win32_chsize
 786                             win32_lseek
 787                             win32_tell
 788                             win32_dup
 789                             win32_dup2
 790                             win32_open
 791                             win32_close
 792                             win32_eof
 793                             win32_isatty
 794                             win32_read
 795                             win32_write
 796                             win32_mkdir
 797                             win32_rmdir
 798                             win32_chdir
 799                             win32_flock
 800                             win32_execv
 801                             win32_execvp
 802                             win32_htons
 803                             win32_ntohs
 804                             win32_htonl
 805                             win32_ntohl
 806                             win32_inet_addr
 807                             win32_inet_ntoa
 808                             win32_socket
 809                             win32_bind
 810                             win32_listen
 811                             win32_accept
 812                             win32_connect
 813                             win32_send
 814                             win32_sendto
 815                             win32_recv
 816                             win32_recvfrom
 817                             win32_shutdown
 818                             win32_closesocket
 819                             win32_ioctlsocket
 820                             win32_setsockopt
 821                             win32_getsockopt
 822                             win32_getpeername
 823                             win32_getsockname
 824                             win32_gethostname
 825                             win32_gethostbyname
 826                             win32_gethostbyaddr
 827                             win32_getprotobyname
 828                             win32_getprotobynumber
 829                             win32_getservbyname
 830                             win32_getservbyport
 831                             win32_select
 832                             win32_endhostent
 833                             win32_endnetent
 834                             win32_endprotoent
 835                             win32_endservent
 836                             win32_getnetent
 837                             win32_getnetbyname
 838                             win32_getnetbyaddr
 839                             win32_getprotoent
 840                             win32_getservent
 841                             win32_sethostent
 842                             win32_setnetent
 843                             win32_setprotoent
 844                             win32_setservent
 845                             win32_getenv
 846                             win32_putenv
 847                             win32_perror
 848                             win32_malloc
 849                             win32_calloc
 850                             win32_realloc
 851                             win32_free
 852                             win32_sleep
 853                             win32_times
 854                             win32_access
 855                             win32_alarm
 856                             win32_chmod
 857                             win32_open_osfhandle
 858                             win32_get_osfhandle
 859                             win32_ioctl
 860                             win32_link
 861                             win32_unlink
 862                             win32_utime
 863                             win32_gettimeofday
 864                             win32_uname
 865                             win32_wait
 866                             win32_waitpid
 867                             win32_kill
 868                             win32_str_os_error
 869                             win32_opendir
 870                             win32_readdir
 871                             win32_telldir
 872                             win32_seekdir
 873                             win32_rewinddir
 874                             win32_closedir
 875                             win32_longpath
 876                             win32_ansipath
 877                             win32_os_id
 878                             win32_getpid
 879                             win32_crypt
 880                             win32_dynaload
 881                             win32_clearenv
 882                             win32_stdin
 883                             win32_stdout
 884                             win32_stderr
 885                             win32_ferror
 886                             win32_feof
 887                             win32_strerror
 888                             win32_fprintf
 889                             win32_printf
 890                             win32_vfprintf
 891                             win32_vprintf
 892                             win32_fread
 893                             win32_fwrite
 894                             win32_fopen
 895                             win32_fdopen
 896                             win32_freopen
 897                             win32_fclose
 898                             win32_fputs
 899                             win32_fputc
 900                             win32_ungetc
 901                             win32_getc
 902                             win32_fileno
 903                             win32_clearerr
 904                             win32_fflush
 905                             win32_ftell
 906                             win32_fseek
 907                             win32_fgetpos
 908                             win32_fsetpos
 909                             win32_rewind
 910                             win32_tmpfile
 911                             win32_setbuf
 912                             win32_setvbuf
 913                             win32_flushall
 914                             win32_fcloseall
 915                             win32_fgets
 916                             win32_gets
 917                             win32_fgetc
 918                             win32_putc
 919                             win32_puts
 920                             win32_getchar
 921                             win32_putchar
 922                  ));
 923 }
 924 elsif ($ARGS{PLATFORM} eq 'vms') {
 925     try_symbols(qw(
 926                       Perl_cando
 927                       Perl_cando_by_name
 928                       Perl_closedir
 929                       Perl_csighandler_init
 930                       Perl_do_rmdir
 931                       Perl_fileify_dirspec
 932                       Perl_fileify_dirspec_ts
 933                       Perl_fileify_dirspec_utf8
 934                       Perl_fileify_dirspec_utf8_ts
 935                       Perl_flex_fstat
 936                       Perl_flex_lstat
 937                       Perl_flex_stat
 938                       Perl_kill_file
 939                       Perl_my_chdir
 940                       Perl_my_chmod
 941                       Perl_my_crypt
 942                       Perl_my_endpwent
 943                       Perl_my_fclose
 944                       Perl_my_fdopen
 945                       Perl_my_fgetname
 946                       Perl_my_flush
 947                       Perl_my_fwrite
 948                       Perl_my_gconvert
 949                       Perl_my_getenv
 950                       Perl_my_getenv_len
 951                       Perl_my_getlogin
 952                       Perl_my_getpwnam
 953                       Perl_my_getpwuid
 954                       Perl_my_gmtime
 955                       Perl_my_kill
 956                       Perl_my_localtime
 957                       Perl_my_mkdir
 958                       Perl_my_sigaction
 959                       Perl_my_symlink
 960                       Perl_my_time
 961                       Perl_my_tmpfile
 962                       Perl_my_trnlnm
 963                       Perl_my_utime
 964                       Perl_my_waitpid
 965                       Perl_opendir
 966                       Perl_pathify_dirspec
 967                       Perl_pathify_dirspec_ts
 968                       Perl_pathify_dirspec_utf8
 969                       Perl_pathify_dirspec_utf8_ts
 970                       Perl_readdir
 971                       Perl_readdir_r
 972                       Perl_rename
 973                       Perl_rmscopy
 974                       Perl_rmsexpand
 975                       Perl_rmsexpand_ts
 976                       Perl_rmsexpand_utf8
 977                       Perl_rmsexpand_utf8_ts
 978                       Perl_seekdir
 979                       Perl_sig_to_vmscondition
 980                       Perl_telldir
 981                       Perl_tounixpath
 982                       Perl_tounixpath_ts
 983                       Perl_tounixpath_utf8
 984                       Perl_tounixpath_utf8_ts
 985                       Perl_tounixspec
 986                       Perl_tounixspec_ts
 987                       Perl_tounixspec_utf8
 988                       Perl_tounixspec_utf8_ts
 989                       Perl_tovmspath
 990                       Perl_tovmspath_ts
 991                       Perl_tovmspath_utf8
 992                       Perl_tovmspath_utf8_ts
 993                       Perl_tovmsspec
 994                       Perl_tovmsspec_ts
 995                       Perl_tovmsspec_utf8
 996                       Perl_tovmsspec_utf8_ts
 997                       Perl_trim_unixpath
 998                       Perl_vms_case_tolerant
 999                       Perl_vms_do_aexec
1000                       Perl_vms_do_exec
1001                       Perl_vms_image_init
1002                       Perl_vms_realpath
1003                       Perl_vmssetenv
1004                       Perl_vmssetuserlnm
1005                       Perl_vmstrnenv
1006                       PerlIO_openn
1007                  ));
1008 }
1009 elsif ($ARGS{PLATFORM} eq 'os2') {
1010     try_symbols(qw(
1011                       ctermid
1012                       get_sysinfo
1013                       Perl_OS2_init
1014                       Perl_OS2_init3
1015                       Perl_OS2_term
1016                       OS2_Perl_data
1017                       dlopen
1018                       dlsym
1019                       dlerror
1020                       dlclose
1021                       dup2
1022                       dup
1023                       my_tmpfile
1024                       my_tmpnam
1025                       my_flock
1026                       my_rmdir
1027                       my_mkdir
1028                       my_getpwuid
1029                       my_getpwnam
1030                       my_getpwent
1031                       my_setpwent
1032                       my_endpwent
1033                       fork_with_resources
1034                       croak_with_os2error
1035                       setgrent
1036                       endgrent
1037                       getgrent
1038                       malloc_mutex
1039                       threads_mutex
1040                       nthreads
1041                       nthreads_cond
1042                       os2_cond_wait
1043                       os2_stat
1044                       os2_execname
1045                       async_mssleep
1046                       msCounter
1047                       InfoTable
1048                       pthread_join
1049                       pthread_create
1050                       pthread_detach
1051                       XS_Cwd_change_drive
1052                       XS_Cwd_current_drive
1053                       XS_Cwd_extLibpath
1054                       XS_Cwd_extLibpath_set
1055                       XS_Cwd_sys_abspath
1056                       XS_Cwd_sys_chdir
1057                       XS_Cwd_sys_cwd
1058                       XS_Cwd_sys_is_absolute
1059                       XS_Cwd_sys_is_relative
1060                       XS_Cwd_sys_is_rooted
1061                       XS_DynaLoader_mod2fname
1062                       XS_File__Copy_syscopy
1063                       Perl_Register_MQ
1064                       Perl_Deregister_MQ
1065                       Perl_Serve_Messages
1066                       Perl_Process_Messages
1067                       init_PMWIN_entries
1068                       PMWIN_entries
1069                       Perl_hab_GET
1070                       loadByOrdinal
1071                       pExtFCN
1072                       os2error
1073                       ResetWinError
1074                       CroakWinError
1075                       PL_do_undump
1076                  ));
1077 }
1078 elsif ($ARGS{PLATFORM} eq 'netware') {
1079     try_symbols(qw(
1080                         Perl_init_os_extras
1081                         Perl_thread_create
1082                         Perl_nw5_init
1083                         RunPerl
1084                         AllocStdPerl
1085                         FreeStdPerl
1086                         do_spawn2
1087                         do_aspawn
1088                         nw_uname
1089                         nw_stdin
1090                         nw_stdout
1091                         nw_stderr
1092                         nw_feof
1093                         nw_ferror
1094                         nw_fopen
1095                         nw_fclose
1096                         nw_clearerr
1097                         nw_getc
1098                         nw_fgets
1099                         nw_fputc
1100                         nw_fputs
1101                         nw_fflush
1102                         nw_ungetc
1103                         nw_fileno
1104                         nw_fdopen
1105                         nw_freopen
1106                         nw_fread
1107                         nw_fwrite
1108                         nw_setbuf
1109                         nw_setvbuf
1110                         nw_vfprintf
1111                         nw_ftell
1112                         nw_fseek
1113                         nw_rewind
1114                         nw_tmpfile
1115                         nw_fgetpos
1116                         nw_fsetpos
1117                         nw_dup
1118                         nw_access
1119                         nw_chmod
1120                         nw_chsize
1121                         nw_close
1122                         nw_dup2
1123                         nw_flock
1124                         nw_isatty
1125                         nw_link
1126                         nw_lseek
1127                         nw_stat
1128                         nw_mktemp
1129                         nw_open
1130                         nw_read
1131                         nw_rename
1132                         nw_setmode
1133                         nw_unlink
1134                         nw_utime
1135                         nw_write
1136                         nw_chdir
1137                         nw_rmdir
1138                         nw_closedir
1139                         nw_opendir
1140                         nw_readdir
1141                         nw_rewinddir
1142                         nw_seekdir
1143                         nw_telldir
1144                         nw_htonl
1145                         nw_htons
1146                         nw_ntohl
1147                         nw_ntohs
1148                         nw_accept
1149                         nw_bind
1150                         nw_connect
1151                         nw_endhostent
1152                         nw_endnetent
1153                         nw_endprotoent
1154                         nw_endservent
1155                         nw_gethostbyaddr
1156                         nw_gethostbyname
1157                         nw_gethostent
1158                         nw_gethostname
1159                         nw_getnetbyaddr
1160                         nw_getnetbyname
1161                         nw_getnetent
1162                         nw_getpeername
1163                         nw_getprotobyname
1164                         nw_getprotobynumber
1165                         nw_getprotoent
1166                         nw_getservbyname
1167                         nw_getservbyport
1168                         nw_getservent
1169                         nw_getsockname
1170                         nw_getsockopt
1171                         nw_inet_addr
1172                         nw_listen
1173                         nw_socket
1174                         nw_recv
1175                         nw_recvfrom
1176                         nw_select
1177                         nw_send
1178                         nw_sendto
1179                         nw_sethostent
1180                         nw_setnetent
1181                         nw_setprotoent
1182                         nw_setservent
1183                         nw_setsockopt
1184                         nw_inet_ntoa
1185                         nw_shutdown
1186                         nw_crypt
1187                         nw_execvp
1188                         nw_kill
1189                         nw_Popen
1190                         nw_Pclose
1191                         nw_Pipe
1192                         nw_times
1193                         nw_waitpid
1194                         nw_getpid
1195                         nw_spawnvp
1196                         nw_os_id
1197                         nw_open_osfhandle
1198                         nw_get_osfhandle
1199                         nw_abort
1200                         nw_sleep
1201                         nw_wait
1202                         nw_dynaload
1203                         nw_strerror
1204                         fnFpSetMode
1205                         fnInsertHashListAddrs
1206                         fnGetHashListAddrs
1207                         Perl_deb
1208                         Perl_sv_setsv
1209                         Perl_sv_catsv
1210                         Perl_sv_catpvn
1211                         Perl_sv_2pv
1212                         nw_freeenviron
1213                         Remove_Thread_Ctx
1214                  ));
1215 }
1216
1217 # When added this code was only run for Win32 and WinCE
1218 # Currently only Win32 links static extensions into the shared library.
1219 # The WinCE makefile doesn't appear to support static extensions, so this code
1220 # can't have any effect there.
1221 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1222 # list of dynamic extensions, and the rules to build them)
1223 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1224 # static extensions with -fPIC, but links them to perl, not libperl.so
1225 # The VMS build scripts don't yet implement static extensions at all.
1226
1227 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1228     # records of type boot_module for statically linked modules (except Dynaloader)
1229     my $static_ext = $Config{static_ext} // "";
1230     $static_ext =~ s/\//__/g;
1231     $static_ext =~ s/\bDynaLoader\b//;
1232     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1233     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1234 }
1235
1236 if ($ARGS{PLATFORM} eq 'os2') {
1237     my (%mapped, @missing);
1238     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1239     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1240     close MAP or die 'Cannot close miniperl.map';
1241
1242     @missing = grep { !exists $mapped{$_} }
1243                     keys %export;
1244     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1245     delete $export{$_} foreach @missing;
1246 }
1247
1248 ###############################################################################
1249
1250 # Now all symbols should be defined because next we are going to output them.
1251
1252 # Start with platform specific headers:
1253
1254 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1255     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1256         : "perl$Config{api_revision}$Config{api_version}";
1257     print "LIBRARY $dll\n";
1258     # The DESCRIPTION module definition file statement is not supported
1259     # by VC7 onwards.
1260     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1261         print "DESCRIPTION 'Perl interpreter'\n";
1262     }
1263     print "EXPORTS\n";
1264 }
1265 elsif ($ARGS{PLATFORM} eq 'os2') {
1266     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1267     $v .= '-thread' if $Config{archname} =~ /-thread/;
1268     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1269     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1270     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1271     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1272     print <<"---EOP---";
1273 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1274 $d
1275 STACKSIZE 32768
1276 CODE LOADONCALL
1277 DATA LOADONCALL NONSHARED MULTIPLE
1278 EXPORTS
1279 ---EOP---
1280 }
1281 elsif ($ARGS{PLATFORM} eq 'aix') {
1282     my $OSVER = `uname -v`;
1283     chop $OSVER;
1284     my $OSREL = `uname -r`;
1285     chop $OSREL;
1286     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1287         print "#! ..\n";
1288     } else {
1289         print "#!\n";
1290     }
1291 }
1292 elsif ($ARGS{PLATFORM} eq 'netware') {
1293         if ($ARGS{FILETYPE} eq 'def') {
1294         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1295         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1296         print "EXPORTS\n";
1297         }
1298 }
1299
1300 # Then the symbols
1301
1302 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1303 foreach my $symbol (@symbols) {
1304     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1305         print "\t$symbol\n";
1306     }
1307     elsif ($ARGS{PLATFORM} eq 'os2') {
1308         printf qq(    %-31s \@%s\n),
1309           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1310         printf qq(    %-31s \@%s\n),
1311           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1312           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1313           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1314     }
1315     elsif ($ARGS{PLATFORM} eq 'netware') {
1316         print "\t$symbol,\n";
1317     } else {
1318         print "$symbol\n";
1319     }
1320 }
1321
1322 # Then platform specific footers.
1323
1324 if ($ARGS{PLATFORM} eq 'os2') {
1325     print <<EOP;
1326     dll_perlmain=main
1327     fill_extLibpath
1328     dir_subst
1329     Perl_OS2_handler_install
1330
1331 ; LAST_ORDINAL=$sym_ord
1332 EOP
1333 }
1334
1335 1;