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 my $fold;
  36 my %ARGS;
  37 my %define;
  38
  39 BEGIN {
  40     BEGIN { unshift @INC, "lib" }
  41     use Config;
  42     use strict;
  43
  44     %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
  45
  46     sub process_cc_flags {
  47         foreach (map {split /\s+/, $_} @_) {
  48             $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  49         }
  50     }
  51
  52     while (@ARGV) {
  53         my $flag = shift;
  54         if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  55             process_cc_flags($1);
  56         } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  57             $ARGS{$1} = $2;
  58         } elsif ($flag eq '--sort-fold') {
  59             ++$fold;
  60         }
  61     }
  62     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  63     my %PLATFORM;
  64     @PLATFORM{@PLATFORM} = ();
  65
  66     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  67         unless defined $ARGS{PLATFORM};
  68     die "PLATFORM must be one of: @PLATFORM\n"
  69         unless exists $PLATFORM{$ARGS{PLATFORM}};
  70 }
  71 use constant PLATFORM => $ARGS{PLATFORM};
  72
  73 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
  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{$_} foreach qw(
 403                     PL_my_cxt_index
 404                     PL_my_cxt_list
 405                     PL_my_cxt_size
 406                     PL_my_cxt_keys
 407                     Perl_croak_nocontext
 408                     Perl_die_nocontext
 409                     Perl_deb_nocontext
 410                     Perl_form_nocontext
 411                     Perl_load_module_nocontext
 412                     Perl_mess_nocontext
 413                     Perl_warn_nocontext
 414                     Perl_warner_nocontext
 415                     Perl_newSVpvf_nocontext
 416                     Perl_sv_catpvf_nocontext
 417                     Perl_sv_setpvf_nocontext
 418                     Perl_sv_catpvf_mg_nocontext
 419                     Perl_sv_setpvf_mg_nocontext
 420                     Perl_my_cxt_init
 421                     Perl_my_cxt_index
 422                          );
 423 }
 424
 425 unless ($define{'PERL_OP_PARENT'}) {
 426     ++$skip{$_} foreach qw(
 427                     Perl_op_parent
 428                 );
 429 }
 430
 431 if ($define{'NO_MATHOMS'}) {
 432     # win32 builds happen in the win32/ subdirectory, but vms builds happen
 433     # at the top level, so we need to look in two candidate locations for
 434     # the mathoms.c file.
 435     my ($file) = grep { -f } qw( mathoms.c ../mathoms.c )
 436         or die "No mathoms.c file found in . or ..\n";
 437     open my $mathoms, '<', $file
 438         or die "Cannot open $file: $!\n";
 439     while (<$mathoms>) {
 440         ++$skip{$1} if /\A ( NATIVE_TO_NEED
 441                            | ASCII_TO_NEED
 442                            | Perl_\w+ ) \s* \( /axms;
 443     }
 444 }
 445
 446 unless ($define{'PERL_NEED_APPCTX'}) {
 447     ++$skip{PL_appctx};
 448 }
 449
 450 unless ($define{'PERL_NEED_TIMESBASE'}) {
 451     ++$skip{PL_timesbase};
 452 }
 453
 454 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 455     ++$skip{PL_sv_serial};
 456 }
 457
 458 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 459     ++$skip{PL_dumper_fd};
 460 }
 461
 462 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 463     ++$skip{Perl_gv_SVadd};
 464 }
 465
 466 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 467     ++$skip{Perl_my_sprintf};
 468 }
 469
 470 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 471     ++$skip{PL_pidstatus};
 472 }
 473
 474 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 475     ++$skip{PL_memory_debug_header};
 476 }
 477
 478 unless ($define{'MULTIPLICITY'}) {
 479     ++$skip{$_} foreach qw(
 480                     PL_interp_size
 481                     PL_interp_size_5_18_0
 482                          );
 483 }
 484
 485 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 486     ++$skip{PL_global_struct_size};
 487 }
 488
 489 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 490     ++$skip{$_} foreach qw(
 491                     PL_my_cxt_keys
 492                     Perl_my_cxt_index
 493                          );
 494 }
 495
 496 unless ($define{HAS_MMAP}) {
 497     ++$skip{PL_mmap_page_size};
 498 }
 499
 500 if ($define{HAS_SIGACTION}) {
 501     ++$skip{PL_sig_trapped};
 502
 503     if ($ARGS{PLATFORM} eq 'vms') {
 504         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 505         ++$skip{PL_sig_ignoring};
 506         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
 507     }
 508 }
 509
 510 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
 511     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
 512     ++$skip{Perl_csighandler_init};
 513     ++$skip{Perl_my_kill};
 514     ++$skip{Perl_sig_to_vmscondition};
 515     ++$skip{PL_sig_defaulting};
 516     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
 517 }
 518
 519 unless ($define{USE_LOCALE_COLLATE}) {
 520     ++$skip{$_} foreach qw(
 521                     PL_collation_ix
 522                     PL_collation_name
 523                     PL_collation_standard
 524                     PL_collxfrm_base
 525                     PL_collxfrm_mult
 526                     Perl_sv_collxfrm
 527                     Perl_sv_collxfrm_flags
 528                          );
 529 }
 530
 531 unless ($define{USE_LOCALE_NUMERIC}) {
 532     ++$skip{$_} foreach qw(
 533                     PL_numeric_local
 534                     PL_numeric_name
 535                     PL_numeric_radix_sv
 536                     PL_numeric_standard
 537                          );
 538 }
 539
 540 unless ($define{'USE_C_BACKTRACE'}) {
 541     ++$skip{Perl_get_c_backtrace_dump};
 542     ++$skip{Perl_dump_c_backtrace};
 543 }
 544
 545 unless ($define{HAVE_INTERP_INTERN}) {
 546     ++$skip{$_} foreach qw(
 547                     Perl_sys_intern_clear
 548                     Perl_sys_intern_dup
 549                     Perl_sys_intern_init
 550                     PL_sys_intern
 551                          );
 552 }
 553
 554 if ($define{HAS_SIGNBIT}) {
 555     ++$skip{Perl_signbit};
 556 }
 557
 558 if ($define{'PERL_GLOBAL_STRUCT'}) {
 559     readvar('perlvars.h', \%skip);
 560     # This seems like the least ugly way to cope with the fact that PL_sh_path
 561     # is mentioned in perlvar.h and globvar.sym, and always exported.
 562     delete $skip{PL_sh_path};
 563     ++$export{Perl_GetVars};
 564     try_symbols(qw(PL_Vars PL_VarsPtr))
 565       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
 566 } else {
 567     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 568 }
 569
 570 ++$skip{PL_op_exec_cnt}
 571     unless $define{PERL_TRACE_OPS};
 572
 573 # functions from *.sym files
 574
 575 my @syms = qw(globvar.sym);
 576
 577 # Symbols that are the public face of the PerlIO layers implementation
 578 # These are in _addition to_ the public face of the abstraction
 579 # and need to be exported to allow XS modules to implement layers
 580 my @layer_syms = qw(
 581                     PerlIOBase_binmode
 582                     PerlIOBase_clearerr
 583                     PerlIOBase_close
 584                     PerlIOBase_dup
 585                     PerlIOBase_eof
 586                     PerlIOBase_error
 587                     PerlIOBase_fileno
 588                     PerlIOBase_open
 589                     PerlIOBase_noop_fail
 590                     PerlIOBase_noop_ok
 591                     PerlIOBase_popped
 592                     PerlIOBase_pushed
 593                     PerlIOBase_read
 594                     PerlIOBase_setlinebuf
 595                     PerlIOBase_unread
 596                     PerlIOBuf_bufsiz
 597                     PerlIOBuf_close
 598                     PerlIOBuf_dup
 599                     PerlIOBuf_fill
 600                     PerlIOBuf_flush
 601                     PerlIOBuf_get_base
 602                     PerlIOBuf_get_cnt
 603                     PerlIOBuf_get_ptr
 604                     PerlIOBuf_open
 605                     PerlIOBuf_popped
 606                     PerlIOBuf_pushed
 607                     PerlIOBuf_read
 608                     PerlIOBuf_seek
 609                     PerlIOBuf_set_ptrcnt
 610                     PerlIOBuf_tell
 611                     PerlIOBuf_unread
 612                     PerlIOBuf_write
 613                     PerlIO_allocate
 614                     PerlIO_apply_layera
 615                     PerlIO_apply_layers
 616                     PerlIO_arg_fetch
 617                     PerlIO_debug
 618                     PerlIO_define_layer
 619                     PerlIO_find_layer
 620                     PerlIO_isutf8
 621                     PerlIO_layer_fetch
 622                     PerlIO_list_alloc
 623                     PerlIO_list_free
 624                     PerlIO_modestr
 625                     PerlIO_parse_layers
 626                     PerlIO_pending
 627                     PerlIO_perlio
 628                     PerlIO_pop
 629                     PerlIO_push
 630                     PerlIO_sv_dup
 631                     Perl_PerlIO_clearerr
 632                     Perl_PerlIO_close
 633                     Perl_PerlIO_context_layers
 634                     Perl_PerlIO_eof
 635                     Perl_PerlIO_error
 636                     Perl_PerlIO_fileno
 637                     Perl_PerlIO_fill
 638                     Perl_PerlIO_flush
 639                     Perl_PerlIO_get_base
 640                     Perl_PerlIO_get_bufsiz
 641                     Perl_PerlIO_get_cnt
 642                     Perl_PerlIO_get_ptr
 643                     Perl_PerlIO_read
 644                     Perl_PerlIO_restore_errno
 645                     Perl_PerlIO_save_errno
 646                     Perl_PerlIO_seek
 647                     Perl_PerlIO_set_cnt
 648                     Perl_PerlIO_set_ptrcnt
 649                     Perl_PerlIO_setlinebuf
 650                     Perl_PerlIO_stderr
 651                     Perl_PerlIO_stdin
 652                     Perl_PerlIO_stdout
 653                     Perl_PerlIO_tell
 654                     Perl_PerlIO_unread
 655                     Perl_PerlIO_write
 656 );
 657 if ($ARGS{PLATFORM} eq 'netware') {
 658     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 659 }
 660
 661 if ($define{'USE_PERLIO'}) {
 662     # Export the symbols that make up the PerlIO abstraction, regardless
 663     # of its implementation - read from a file
 664     push @syms, 'perlio.sym';
 665
 666     # PerlIO with layers - export implementation
 667     try_symbols(@layer_syms, 'perlsio_binmode');
 668 } else {
 669         # -Uuseperlio
 670         # Skip the PerlIO layer symbols - although
 671         # nothing should have exported them anyway.
 672         ++$skip{$_} foreach @layer_syms;
 673         ++$skip{$_} foreach qw(
 674                         perlsio_binmode
 675                         PL_def_layerlist
 676                         PL_known_layers
 677                         PL_perlio
 678                         PL_perlio_debug_fd
 679                         PL_perlio_fd_refcnt
 680                         PL_perlio_fd_refcnt_size
 681                         PL_perlio_mutex
 682                              );
 683
 684         # Also do NOT add abstraction symbols from $perlio_sym
 685         # abstraction is done as #define to stdio
 686         # Remaining remnants that _may_ be functions are handled below.
 687 }
 688
 689 unless ($define{'USE_QUADMATH'}) {
 690   ++$skip{Perl_quadmath_format_needed};
 691   ++$skip{Perl_quadmath_format_single};
 692 }
 693
 694 ###############################################################################
 695
 696 # At this point all skip lists should be completed, as we are about to test
 697 # many symbols against them.
 698
 699 {
 700     my %seen;
 701     my ($embed) = setup_embed($ARGS{TARG_DIR});
 702
 703     foreach (@$embed) {
 704         my ($flags, $retval, $func, @args) = @$_;
 705         next unless $func;
 706         if ($flags =~ /[AX]/ && $flags !~ /[xmi]/ || $flags =~ /b/) {
 707             # public API, so export
 708
 709             # If a function is defined twice, for example before and after
 710             # an #else, only export its name once. Important to do this test
 711             # within the block, as the *first* definition may have flags which
 712             # mean "don't export"
 713             next if $seen{$func}++;
 714             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
 715             $func = "Perl_$func" if ($flags =~ /[pbX]/ && $func !~ /^Perl_/);
 716             ++$export{$func} unless exists $skip{$func};
 717         }
 718     }
 719 }
 720
 721 foreach (@syms) {
 722     my $syms = $ARGS{TARG_DIR} . $_;
 723     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 724     while (<$global>) {
 725         next unless /^([A-Za-z].*)/;
 726         my $symbol = "$1";
 727         ++$export{$symbol} unless exists $skip{$symbol};
 728     }
 729 }
 730
 731 # variables
 732
 733 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 734     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 735     # XXX AIX seems to want the perlvars.h symbols, for some reason
 736     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 737         readvar('perlvars.h', \%export);
 738     }
 739 }
 740 else {
 741     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 742         readvar('perlvars.h', \%export);
 743     }
 744     unless ($define{MULTIPLICITY}) {
 745         readvar('intrpvar.h', \%export);
 746     }
 747 }
 748
 749 # Oddities from PerlIO
 750 # All have alternate implementations in perlio.c, so always exist.
 751 # Should they be considered to be part of the API?
 752 try_symbols(qw(
 753                     PerlIO_binmode
 754                     PerlIO_getpos
 755                     PerlIO_init
 756                     PerlIO_setpos
 757                     PerlIO_tmpfile
 758              ));
 759
 760 if ($ARGS{PLATFORM} eq 'win32') {
 761     try_symbols(qw(
 762                                  win32_free_childdir
 763                                  win32_free_childenv
 764                                  win32_get_childdir
 765                                  win32_get_childenv
 766                                  win32_spawnvp
 767                  ));
 768 }
 769
 770 if ($ARGS{PLATFORM} eq 'wince') {
 771     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
 772 }
 773
 774 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 775     try_symbols(qw(
 776                             Perl_init_os_extras
 777                             Perl_thread_create
 778                             Perl_win32_init
 779                             Perl_win32_term
 780                             RunPerl
 781                             win32_async_check
 782                             win32_errno
 783                             win32_environ
 784                             win32_abort
 785                             win32_fstat
 786                             win32_stat
 787                             win32_pipe
 788                             win32_popen
 789                             win32_pclose
 790                             win32_rename
 791                             win32_setmode
 792                             win32_chsize
 793                             win32_lseek
 794                             win32_tell
 795                             win32_dup
 796                             win32_dup2
 797                             win32_open
 798                             win32_close
 799                             win32_eof
 800                             win32_isatty
 801                             win32_read
 802                             win32_write
 803                             win32_mkdir
 804                             win32_rmdir
 805                             win32_chdir
 806                             win32_flock
 807                             win32_execv
 808                             win32_execvp
 809                             win32_htons
 810                             win32_ntohs
 811                             win32_htonl
 812                             win32_ntohl
 813                             win32_inet_addr
 814                             win32_inet_ntoa
 815                             win32_socket
 816                             win32_bind
 817                             win32_listen
 818                             win32_accept
 819                             win32_connect
 820                             win32_send
 821                             win32_sendto
 822                             win32_recv
 823                             win32_recvfrom
 824                             win32_shutdown
 825                             win32_closesocket
 826                             win32_ioctlsocket
 827                             win32_setsockopt
 828                             win32_getsockopt
 829                             win32_getpeername
 830                             win32_getsockname
 831                             win32_gethostname
 832                             win32_gethostbyname
 833                             win32_gethostbyaddr
 834                             win32_getprotobyname
 835                             win32_getprotobynumber
 836                             win32_getservbyname
 837                             win32_getservbyport
 838                             win32_select
 839                             win32_endhostent
 840                             win32_endnetent
 841                             win32_endprotoent
 842                             win32_endservent
 843                             win32_getnetent
 844                             win32_getnetbyname
 845                             win32_getnetbyaddr
 846                             win32_getprotoent
 847                             win32_getservent
 848                             win32_sethostent
 849                             win32_setnetent
 850                             win32_setprotoent
 851                             win32_setservent
 852                             win32_getenv
 853                             win32_putenv
 854                             win32_perror
 855                             win32_malloc
 856                             win32_calloc
 857                             win32_realloc
 858                             win32_free
 859                             win32_sleep
 860                             win32_times
 861                             win32_access
 862                             win32_alarm
 863                             win32_chmod
 864                             win32_open_osfhandle
 865                             win32_get_osfhandle
 866                             win32_ioctl
 867                             win32_link
 868                             win32_unlink
 869                             win32_utime
 870                             win32_gettimeofday
 871                             win32_uname
 872                             win32_wait
 873                             win32_waitpid
 874                             win32_kill
 875                             win32_str_os_error
 876                             win32_opendir
 877                             win32_readdir
 878                             win32_telldir
 879                             win32_seekdir
 880                             win32_rewinddir
 881                             win32_closedir
 882                             win32_longpath
 883                             win32_ansipath
 884                             win32_os_id
 885                             win32_getpid
 886                             win32_crypt
 887                             win32_dynaload
 888                             win32_clearenv
 889                             win32_stdin
 890                             win32_stdout
 891                             win32_stderr
 892                             win32_ferror
 893                             win32_feof
 894                             win32_strerror
 895                             win32_fprintf
 896                             win32_printf
 897                             win32_vfprintf
 898                             win32_vprintf
 899                             win32_fread
 900                             win32_fwrite
 901                             win32_fopen
 902                             win32_fdopen
 903                             win32_freopen
 904                             win32_fclose
 905                             win32_fputs
 906                             win32_fputc
 907                             win32_ungetc
 908                             win32_getc
 909                             win32_fileno
 910                             win32_clearerr
 911                             win32_fflush
 912                             win32_ftell
 913                             win32_fseek
 914                             win32_fgetpos
 915                             win32_fsetpos
 916                             win32_rewind
 917                             win32_tmpfile
 918                             win32_setbuf
 919                             win32_setvbuf
 920                             win32_flushall
 921                             win32_fcloseall
 922                             win32_fgets
 923                             win32_gets
 924                             win32_fgetc
 925                             win32_putc
 926                             win32_puts
 927                             win32_getchar
 928                             win32_putchar
 929                  ));
 930 }
 931 elsif ($ARGS{PLATFORM} eq 'vms') {
 932     try_symbols(qw(
 933                       Perl_cando
 934                       Perl_cando_by_name
 935                       Perl_closedir
 936                       Perl_csighandler_init
 937                       Perl_do_rmdir
 938                       Perl_fileify_dirspec
 939                       Perl_fileify_dirspec_ts
 940                       Perl_fileify_dirspec_utf8
 941                       Perl_fileify_dirspec_utf8_ts
 942                       Perl_flex_fstat
 943                       Perl_flex_lstat
 944                       Perl_flex_stat
 945                       Perl_kill_file
 946                       Perl_my_chdir
 947                       Perl_my_chmod
 948                       Perl_my_crypt
 949                       Perl_my_endpwent
 950                       Perl_my_fclose
 951                       Perl_my_fdopen
 952                       Perl_my_fgetname
 953                       Perl_my_flush
 954                       Perl_my_fwrite
 955                       Perl_my_gconvert
 956                       Perl_my_getenv
 957                       Perl_my_getenv_len
 958                       Perl_my_getlogin
 959                       Perl_my_getpwnam
 960                       Perl_my_getpwuid
 961                       Perl_my_gmtime
 962                       Perl_my_kill
 963                       Perl_my_localtime
 964                       Perl_my_mkdir
 965                       Perl_my_sigaction
 966                       Perl_my_symlink
 967                       Perl_my_time
 968                       Perl_my_tmpfile
 969                       Perl_my_trnlnm
 970                       Perl_my_utime
 971                       Perl_my_waitpid
 972                       Perl_opendir
 973                       Perl_pathify_dirspec
 974                       Perl_pathify_dirspec_ts
 975                       Perl_pathify_dirspec_utf8
 976                       Perl_pathify_dirspec_utf8_ts
 977                       Perl_readdir
 978                       Perl_readdir_r
 979                       Perl_rename
 980                       Perl_rmscopy
 981                       Perl_rmsexpand
 982                       Perl_rmsexpand_ts
 983                       Perl_rmsexpand_utf8
 984                       Perl_rmsexpand_utf8_ts
 985                       Perl_seekdir
 986                       Perl_sig_to_vmscondition
 987                       Perl_telldir
 988                       Perl_tounixpath
 989                       Perl_tounixpath_ts
 990                       Perl_tounixpath_utf8
 991                       Perl_tounixpath_utf8_ts
 992                       Perl_tounixspec
 993                       Perl_tounixspec_ts
 994                       Perl_tounixspec_utf8
 995                       Perl_tounixspec_utf8_ts
 996                       Perl_tovmspath
 997                       Perl_tovmspath_ts
 998                       Perl_tovmspath_utf8
 999                       Perl_tovmspath_utf8_ts
1000                       Perl_tovmsspec
1001                       Perl_tovmsspec_ts
1002                       Perl_tovmsspec_utf8
1003                       Perl_tovmsspec_utf8_ts
1004                       Perl_trim_unixpath
1005                       Perl_vms_case_tolerant
1006                       Perl_vms_do_aexec
1007                       Perl_vms_do_exec
1008                       Perl_vms_image_init
1009                       Perl_vms_realpath
1010                       Perl_vmssetenv
1011                       Perl_vmssetuserlnm
1012                       Perl_vmstrnenv
1013                       PerlIO_openn
1014                  ));
1015 }
1016 elsif ($ARGS{PLATFORM} eq 'os2') {
1017     try_symbols(qw(
1018                       ctermid
1019                       get_sysinfo
1020                       Perl_OS2_init
1021                       Perl_OS2_init3
1022                       Perl_OS2_term
1023                       OS2_Perl_data
1024                       dlopen
1025                       dlsym
1026                       dlerror
1027                       dlclose
1028                       dup2
1029                       dup
1030                       my_tmpfile
1031                       my_tmpnam
1032                       my_flock
1033                       my_rmdir
1034                       my_mkdir
1035                       my_getpwuid
1036                       my_getpwnam
1037                       my_getpwent
1038                       my_setpwent
1039                       my_endpwent
1040                       fork_with_resources
1041                       croak_with_os2error
1042                       setgrent
1043                       endgrent
1044                       getgrent
1045                       malloc_mutex
1046                       threads_mutex
1047                       nthreads
1048                       nthreads_cond
1049                       os2_cond_wait
1050                       os2_stat
1051                       os2_execname
1052                       async_mssleep
1053                       msCounter
1054                       InfoTable
1055                       pthread_join
1056                       pthread_create
1057                       pthread_detach
1058                       XS_Cwd_change_drive
1059                       XS_Cwd_current_drive
1060                       XS_Cwd_extLibpath
1061                       XS_Cwd_extLibpath_set
1062                       XS_Cwd_sys_abspath
1063                       XS_Cwd_sys_chdir
1064                       XS_Cwd_sys_cwd
1065                       XS_Cwd_sys_is_absolute
1066                       XS_Cwd_sys_is_relative
1067                       XS_Cwd_sys_is_rooted
1068                       XS_DynaLoader_mod2fname
1069                       XS_File__Copy_syscopy
1070                       Perl_Register_MQ
1071                       Perl_Deregister_MQ
1072                       Perl_Serve_Messages
1073                       Perl_Process_Messages
1074                       init_PMWIN_entries
1075                       PMWIN_entries
1076                       Perl_hab_GET
1077                       loadByOrdinal
1078                       pExtFCN
1079                       os2error
1080                       ResetWinError
1081                       CroakWinError
1082                       PL_do_undump
1083                  ));
1084 }
1085 elsif ($ARGS{PLATFORM} eq 'netware') {
1086     try_symbols(qw(
1087                         Perl_init_os_extras
1088                         Perl_thread_create
1089                         Perl_nw5_init
1090                         RunPerl
1091                         AllocStdPerl
1092                         FreeStdPerl
1093                         do_spawn2
1094                         do_aspawn
1095                         nw_uname
1096                         nw_stdin
1097                         nw_stdout
1098                         nw_stderr
1099                         nw_feof
1100                         nw_ferror
1101                         nw_fopen
1102                         nw_fclose
1103                         nw_clearerr
1104                         nw_getc
1105                         nw_fgets
1106                         nw_fputc
1107                         nw_fputs
1108                         nw_fflush
1109                         nw_ungetc
1110                         nw_fileno
1111                         nw_fdopen
1112                         nw_freopen
1113                         nw_fread
1114                         nw_fwrite
1115                         nw_setbuf
1116                         nw_setvbuf
1117                         nw_vfprintf
1118                         nw_ftell
1119                         nw_fseek
1120                         nw_rewind
1121                         nw_tmpfile
1122                         nw_fgetpos
1123                         nw_fsetpos
1124                         nw_dup
1125                         nw_access
1126                         nw_chmod
1127                         nw_chsize
1128                         nw_close
1129                         nw_dup2
1130                         nw_flock
1131                         nw_isatty
1132                         nw_link
1133                         nw_lseek
1134                         nw_stat
1135                         nw_mktemp
1136                         nw_open
1137                         nw_read
1138                         nw_rename
1139                         nw_setmode
1140                         nw_unlink
1141                         nw_utime
1142                         nw_write
1143                         nw_chdir
1144                         nw_rmdir
1145                         nw_closedir
1146                         nw_opendir
1147                         nw_readdir
1148                         nw_rewinddir
1149                         nw_seekdir
1150                         nw_telldir
1151                         nw_htonl
1152                         nw_htons
1153                         nw_ntohl
1154                         nw_ntohs
1155                         nw_accept
1156                         nw_bind
1157                         nw_connect
1158                         nw_endhostent
1159                         nw_endnetent
1160                         nw_endprotoent
1161                         nw_endservent
1162                         nw_gethostbyaddr
1163                         nw_gethostbyname
1164                         nw_gethostent
1165                         nw_gethostname
1166                         nw_getnetbyaddr
1167                         nw_getnetbyname
1168                         nw_getnetent
1169                         nw_getpeername
1170                         nw_getprotobyname
1171                         nw_getprotobynumber
1172                         nw_getprotoent
1173                         nw_getservbyname
1174                         nw_getservbyport
1175                         nw_getservent
1176                         nw_getsockname
1177                         nw_getsockopt
1178                         nw_inet_addr
1179                         nw_listen
1180                         nw_socket
1181                         nw_recv
1182                         nw_recvfrom
1183                         nw_select
1184                         nw_send
1185                         nw_sendto
1186                         nw_sethostent
1187                         nw_setnetent
1188                         nw_setprotoent
1189                         nw_setservent
1190                         nw_setsockopt
1191                         nw_inet_ntoa
1192                         nw_shutdown
1193                         nw_crypt
1194                         nw_execvp
1195                         nw_kill
1196                         nw_Popen
1197                         nw_Pclose
1198                         nw_Pipe
1199                         nw_times
1200                         nw_waitpid
1201                         nw_getpid
1202                         nw_spawnvp
1203                         nw_os_id
1204                         nw_open_osfhandle
1205                         nw_get_osfhandle
1206                         nw_abort
1207                         nw_sleep
1208                         nw_wait
1209                         nw_dynaload
1210                         nw_strerror
1211                         fnFpSetMode
1212                         fnInsertHashListAddrs
1213                         fnGetHashListAddrs
1214                         Perl_deb
1215                         Perl_sv_setsv
1216                         Perl_sv_catsv
1217                         Perl_sv_catpvn
1218                         Perl_sv_2pv
1219                         nw_freeenviron
1220                         Remove_Thread_Ctx
1221                  ));
1222 }
1223
1224 # When added this code was only run for Win32 and WinCE
1225 # Currently only Win32 links static extensions into the shared library.
1226 # The WinCE makefile doesn't appear to support static extensions, so this code
1227 # can't have any effect there.
1228 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1229 # list of dynamic extensions, and the rules to build them)
1230 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1231 # static extensions with -fPIC, but links them to perl, not libperl.so
1232 # The VMS build scripts don't yet implement static extensions at all.
1233
1234 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1235     # records of type boot_module for statically linked modules (except Dynaloader)
1236     my $static_ext = $Config{static_ext} // "";
1237     $static_ext =~ s/\//__/g;
1238     $static_ext =~ s/\bDynaLoader\b//;
1239     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1240     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1241 }
1242
1243 if ($ARGS{PLATFORM} eq 'os2') {
1244     my (%mapped, @missing);
1245     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1246     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1247     close MAP or die 'Cannot close miniperl.map';
1248
1249     @missing = grep { !exists $mapped{$_} }
1250                     keys %export;
1251     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1252     delete $export{$_} foreach @missing;
1253 }
1254
1255 ###############################################################################
1256
1257 # Now all symbols should be defined because next we are going to output them.
1258
1259 # Start with platform specific headers:
1260
1261 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1262     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1263         : "perl$Config{api_revision}$Config{api_version}";
1264     print "LIBRARY $dll\n";
1265     # The DESCRIPTION module definition file statement is not supported
1266     # by VC7 onwards.
1267     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1268         print "DESCRIPTION 'Perl interpreter'\n";
1269     }
1270     print "EXPORTS\n";
1271 }
1272 elsif ($ARGS{PLATFORM} eq 'os2') {
1273     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1274     $v .= '-thread' if $Config{archname} =~ /-thread/;
1275     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1276     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1277     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1278     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1279     print <<"---EOP---";
1280 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1281 $d
1282 STACKSIZE 32768
1283 CODE LOADONCALL
1284 DATA LOADONCALL NONSHARED MULTIPLE
1285 EXPORTS
1286 ---EOP---
1287 }
1288 elsif ($ARGS{PLATFORM} eq 'aix') {
1289     my $OSVER = `uname -v`;
1290     chop $OSVER;
1291     my $OSREL = `uname -r`;
1292     chop $OSREL;
1293     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1294         print "#! ..\n";
1295     } else {
1296         print "#!\n";
1297     }
1298 }
1299 elsif ($ARGS{PLATFORM} eq 'netware') {
1300         if ($ARGS{FILETYPE} eq 'def') {
1301         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1302         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1303         print "EXPORTS\n";
1304         }
1305 }
1306
1307 # Then the symbols
1308
1309 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1310 foreach my $symbol (@symbols) {
1311     if (PLATFORM eq 'win32' || PLATFORM eq 'wince') {
1312         # Remembering the origin file of each symbol is an alternative to PL_ matching
1313         if (substr($symbol, 0, 3) eq 'PL_') {
1314             print "\t$symbol DATA\n";
1315         }
1316         else {
1317             print "\t$symbol\n";
1318         }
1319     }
1320     elsif (PLATFORM eq 'os2') {
1321         printf qq(    %-31s \@%s\n),
1322           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1323         printf qq(    %-31s \@%s\n),
1324           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1325           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1326           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1327     }
1328     elsif (PLATFORM eq 'netware') {
1329         print "\t$symbol,\n";
1330     } else {
1331         print "$symbol\n";
1332     }
1333 }
1334
1335 # Then platform specific footers.
1336
1337 if ($ARGS{PLATFORM} eq 'os2') {
1338     print <<EOP;
1339     dll_perlmain=main
1340     fill_extLibpath
1341     dir_subst
1342     Perl_OS2_handler_install
1343
1344 ; LAST_ORDINAL=$sym_ord
1345 EOP
1346 }
1347
1348 1;