3 # Written: 10 April 1996 Gary Ng (71564.1743@compuserve.com)
5 # Create the export list for perl.
6 # Needed by WIN32 for creating perl.dll
7 # based on perl_exp.SH in the main perl distribution directory
9 # This simple program relys on 'global.sym' being up to date
10 # with all of the global symbols that a dynamicly link library
11 # might want to access.
13 # There is some symbol defined in global.sym and interp.sym
14 # that does not present in the WIN32 port but there is no easy
15 # way to find them so I just put a exception list here
17 while (@ARGV && $ARGV[0] =~ /^-/)
20 $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
23 open(CFG,'config.h') || die "Cannot open config.h:$!";
26 $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
30 warn join(' ',keys %define)."\n";
32 my $CCTYPE = shift || "MSVC";
36 print "LIBRARY Perl\n";
37 print "DESCRIPTION 'Perl interpreter, export autogenerated'\n";
38 print "CODE LOADONCALL\n";
39 print "DATA LOADONCALL NONSHARED MULTIPLE\n";
43 $skip_sym=<<'!END!OF!SKIP!';
85 Perl_init_thread_intern
121 Perl_scan_inputsymbol
135 Perl_too_few_arguments
136 Perl_too_many_arguments
162 if ($CCTYPE eq 'GCC')
164 $skip_sym .= "Perl_na\n";
167 if ($define{'MYMALLOC'})
169 $skip_sym .= <<'!END!OF!SKIP!';
175 emit_symbol('Perl_malloc');
176 emit_symbol('Perl_free');
177 emit_symbol('Perl_realloc');
178 emit_symbol('Perl_calloc');
181 unless ($define{'USE_THREADS'})
183 $skip_sym .= <<'!END!OF!SKIP!';
192 Perl_new_struct_thread
195 Perl_per_thread_magicals
213 if ($define{'USE_THREADS'} || $define{'MULTIPLICITY'})
215 open(THREAD,"<../thrdvar.h") || die "Cannot open ../thrdvar.h:$!";
218 if (/\bPERLVARI?\(T(\w+)/)
220 $skip_sym .= "Perl_".$1."\n";
226 if ($define{'MULTIPLICITY'})
228 open(THREAD,"<../intrpvar.h") || die "Cannot open ../intrpvar.h:$!";
231 if (/\bPERLVARI?\(I(\w+)/)
233 $skip_sym .= "Perl_".$1."\n";
239 # All symbols have a Perl_ prefix because that's what embed.h
240 # sticks in front of them.
243 open (GLOBAL, "<../global.sym") || die "failed to open global.sym" . $!;
246 next if (!/^[A-Za-z]/);
247 next if (/_amg[ \t]*$/);
249 next if ($skip_sym =~ m/$symbol/m);
250 emit_symbol($symbol);
254 # also add symbols from interp.sym
255 # They are only needed if -DMULTIPLICITY is not set but it
256 # doesn't hurt to include them anyway.
257 # these don't have Perl prefix
259 open (INTERP, "<../interp.sym") || die "failed to open interp.sym" . $!;
262 next if (!/^[A-Za-z]/);
263 next if (/_amg[ \t]*$/);
265 next if ($skip_sym =~ m/$symbol/m);
267 emit_symbol("Perl_" . $symbol);
274 next if (!/^[A-Za-z]/);
278 next if ($skip_sym =~ m/^$symbol/m);
279 $symbol = "Perl_".$symbol if ($define{'USE_THISPTR'}
280 && $symbol =~ /^perl/);
281 emit_symbol($symbol);
287 if ($CCTYPE eq "BORLAND") {
288 # workaround Borland quirk by exporting both the straight
289 # name and a name with leading underscore. Note the
290 # alias *must* come after the symbol itself, if both
291 # are to be exported. (Linker bug?)
292 print "\t_$symbol\n";
293 print "\t$symbol = _$symbol\n";
296 # for binary coexistence, export both the symbol and
297 # alias with leading underscore
299 print "\t_$symbol = $symbol\n";
305 # extra globals not included above.
406 win32_getprotobynumber