Commit | Line | Data |
4633a7c4 |
1 | #!/usr/local/bin/perl |
2 | |
3 | use Config; |
4 | use File::Basename qw(&basename &dirname); |
5 | |
6 | # List explicitly here the variables you want Configure to |
7 | # generate. Metaconfig only looks for shell variables, so you |
8 | # have to mention them as if they were shell variables, not |
9 | # %Config entries. Thus you write |
10 | # $startperl |
11 | # to ensure Configure will look for $Config{startperl}. |
12 | |
13 | # This forces PL files to create target in same directory as PL file. |
14 | # This is so that make depend always knows where to find PL derivatives. |
15 | chdir(dirname($0)); |
16 | ($file = basename($0)) =~ s/\.PL$//; |
17 | $file =~ s/\.pl$// |
18 | if ($Config{'osname'} eq 'VMS' or |
19 | $Config{'osname'} eq 'OS2'); # "case-forgiving" |
20 | |
21 | open OUT,">$file" or die "Can't create $file: $!"; |
22 | |
23 | print "Extracting $file (with variable substitutions)\n"; |
24 | |
25 | # In this section, perl variables will be expanded during extraction. |
26 | # You can use $Config{...} to use Configure variables. |
27 | |
28 | print OUT <<"!GROK!THIS!"; |
29 | $Config{'startperl'} |
30 | eval 'exec perl -S \$0 "\$@"' |
31 | if 0; |
11aea360 |
32 | !GROK!THIS! |
33 | |
4633a7c4 |
34 | # In the following, perl variables are not expanded during extraction. |
35 | |
36 | print OUT <<'!NO!SUBS!'; |
37 | # |
11aea360 |
38 | # |
39 | # c2ph (aka pstruct) |
40 | # Tom Christiansen, <tchrist@convex.com> |
41 | # |
42 | # As pstruct, dump C structures as generated from 'cc -g -S' stabs. |
43 | # As c2ph, do this PLUS generate perl code for getting at the structures. |
44 | # |
45 | # See the usage message for more. If this isn't enough, read the code. |
46 | # |
47 | |
8e07c86e |
48 | $RCSID = '$Id: c2ph,v 1.7 95/10/28 10:41:47 tchrist Exp Locker: tchrist $'; |
11aea360 |
49 | |
50 | |
51 | ###################################################################### |
52 | |
53 | # some handy data definitions. many of these can be reset later. |
54 | |
55 | $bitorder = 'b'; # ascending; set to B for descending bit fields |
56 | |
57 | %intrinsics = |
58 | %template = ( |
59 | 'char', 'c', |
60 | 'unsigned char', 'C', |
61 | 'short', 's', |
62 | 'short int', 's', |
63 | 'unsigned short', 'S', |
64 | 'unsigned short int', 'S', |
65 | 'short unsigned int', 'S', |
66 | 'int', 'i', |
67 | 'unsigned int', 'I', |
68 | 'long', 'l', |
69 | 'long int', 'l', |
70 | 'unsigned long', 'L', |
71 | 'unsigned long', 'L', |
72 | 'long unsigned int', 'L', |
73 | 'unsigned long int', 'L', |
74 | 'long long', 'q', |
75 | 'long long int', 'q', |
76 | 'unsigned long long', 'Q', |
77 | 'unsigned long long int', 'Q', |
78 | 'float', 'f', |
79 | 'double', 'd', |
80 | 'pointer', 'p', |
81 | 'null', 'x', |
82 | 'neganull', 'X', |
83 | 'bit', $bitorder, |
84 | ); |
85 | |
86 | &buildscrunchlist; |
87 | delete $intrinsics{'neganull'}; |
88 | delete $intrinsics{'bit'}; |
89 | delete $intrinsics{'null'}; |
90 | |
91 | # use -s to recompute sizes |
92 | %sizeof = ( |
93 | 'char', '1', |
94 | 'unsigned char', '1', |
95 | 'short', '2', |
96 | 'short int', '2', |
97 | 'unsigned short', '2', |
98 | 'unsigned short int', '2', |
99 | 'short unsigned int', '2', |
100 | 'int', '4', |
101 | 'unsigned int', '4', |
102 | 'long', '4', |
103 | 'long int', '4', |
104 | 'unsigned long', '4', |
105 | 'unsigned long int', '4', |
106 | 'long unsigned int', '4', |
107 | 'long long', '8', |
108 | 'long long int', '8', |
109 | 'unsigned long long', '8', |
110 | 'unsigned long long int', '8', |
111 | 'float', '4', |
112 | 'double', '8', |
113 | 'pointer', '4', |
114 | ); |
115 | |
116 | ($type_width, $member_width, $offset_width, $size_width) = (20, 20, 6, 5); |
117 | |
118 | ($offset_fmt, $size_fmt) = ('d', 'd'); |
119 | |
120 | $indent = 2; |
121 | |
122 | $CC = 'cc'; |
123 | $CFLAGS = '-g -S'; |
124 | $DEFINES = ''; |
125 | |
126 | $perl++ if $0 =~ m#/?c2ph$#; |
127 | |
128 | require 'getopts.pl'; |
129 | |
130 | eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift; |
131 | |
132 | &Getopts('aixdpvtnws:') || &usage(0); |
133 | |
134 | $opt_d && $debug++; |
135 | $opt_t && $trace++; |
136 | $opt_p && $perl++; |
137 | $opt_v && $verbose++; |
138 | $opt_n && ($perl = 0); |
139 | |
140 | if ($opt_w) { |
141 | ($type_width, $member_width, $offset_width) = (45, 35, 8); |
142 | } |
143 | if ($opt_x) { |
144 | ($offset_fmt, $offset_width, $size_fmt, $size_width) = ( 'x', '08', 'x', 04 ); |
145 | } |
146 | |
147 | eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift; |
148 | |
149 | sub PLUMBER { |
150 | select(STDERR); |
151 | print "oops, apperent pager foulup\n"; |
152 | $isatty++; |
153 | &usage(1); |
154 | } |
155 | |
156 | sub usage { |
157 | local($oops) = @_; |
158 | unless (-t STDOUT) { |
159 | select(STDERR); |
160 | } elsif (!$oops) { |
161 | $isatty++; |
162 | $| = 1; |
163 | print "hit <RETURN> for further explanation: "; |
164 | <STDIN>; |
165 | open (PIPE, "|". ($ENV{PAGER} || 'more')); |
166 | $SIG{PIPE} = PLUMBER; |
167 | select(PIPE); |
168 | } |
169 | |
170 | print "usage: $0 [-dpnP] [var=val] [files ...]\n"; |
171 | |
172 | exit unless $isatty; |
173 | |
174 | print <<EOF; |
175 | |
176 | Options: |
177 | |
178 | -w wide; short for: type_width=45 member_width=35 offset_width=8 |
179 | -x hex; short for: offset_fmt=x offset_width=08 size_fmt=x size_width=04 |
180 | |
181 | -n do not generate perl code (default when invoked as pstruct) |
182 | -p generate perl code (default when invoked as c2ph) |
183 | -v generate perl code, with C decls as comments |
184 | |
185 | -i do NOT recompute sizes for intrinsic datatypes |
186 | -a dump information on intrinsics also |
187 | |
188 | -t trace execution |
189 | -d spew reams of debugging output |
190 | |
191 | -slist give comma-separated list a structures to dump |
192 | |
193 | |
194 | Var Name Default Value Meaning |
195 | |
196 | EOF |
197 | |
198 | &defvar('CC', 'which_compiler to call'); |
199 | &defvar('CFLAGS', 'how to generate *.s files with stabs'); |
200 | &defvar('DEFINES','any extra cflags or cpp defines, like -I, -D, -U'); |
201 | |
202 | print "\n"; |
203 | |
204 | &defvar('type_width', 'width of type field (column 1)'); |
205 | &defvar('member_width', 'width of member field (column 2)'); |
206 | &defvar('offset_width', 'width of offset field (column 3)'); |
207 | &defvar('size_width', 'width of size field (column 4)'); |
208 | |
209 | print "\n"; |
210 | |
211 | &defvar('offset_fmt', 'sprintf format type for offset'); |
212 | &defvar('size_fmt', 'sprintf format type for size'); |
213 | |
214 | print "\n"; |
215 | |
216 | &defvar('indent', 'how far to indent each nesting level'); |
217 | |
218 | print <<'EOF'; |
219 | |
220 | If any *.[ch] files are given, these will be catted together into |
221 | a temporary *.c file and sent through: |
222 | $CC $CFLAGS $DEFINES |
223 | and the resulting *.s groped for stab information. If no files are |
224 | supplied, then stdin is read directly with the assumption that it |
225 | contains stab information. All other liens will be ignored. At |
226 | most one *.s file should be supplied. |
227 | |
228 | EOF |
229 | close PIPE; |
230 | exit 1; |
231 | } |
232 | |
233 | sub defvar { |
234 | local($var, $msg) = @_; |
235 | printf "%-16s%-15s %s\n", $var, eval "\$$var", $msg; |
236 | } |
237 | |
238 | $recurse = 1; |
239 | |
240 | if (@ARGV) { |
241 | if (grep(!/\.[csh]$/,@ARGV)) { |
242 | warn "Only *.[csh] files expected!\n"; |
243 | &usage; |
244 | } |
245 | elsif (grep(/\.s$/,@ARGV)) { |
246 | if (@ARGV > 1) { |
247 | warn "Only one *.s file allowed!\n"; |
248 | &usage; |
249 | } |
250 | } |
251 | elsif (@ARGV == 1 && $ARGV[0] =~ /\.c$/) { |
252 | local($dir, $file) = $ARGV[0] =~ m#(.*/)?(.*)$#; |
253 | $chdir = "cd $dir; " if $dir; |
254 | &system("$chdir$CC $CFLAGS $DEFINES $file") && exit 1; |
255 | $ARGV[0] =~ s/\.c$/.s/; |
256 | } |
257 | else { |
258 | $TMP = "/tmp/c2ph.$$.c"; |
259 | &system("cat @ARGV > $TMP") && exit 1; |
260 | &system("cd /tmp; $CC $CFLAGS $DEFINES $TMP") && exit 1; |
261 | unlink $TMP; |
262 | $TMP =~ s/\.c$/.s/; |
263 | @ARGV = ($TMP); |
264 | } |
265 | } |
266 | |
267 | if ($opt_s) { |
268 | for (split(/[\s,]+/, $opt_s)) { |
269 | $interested{$_}++; |
270 | } |
271 | } |
272 | |
273 | |
274 | $| = 1 if $debug; |
275 | |
276 | main: { |
277 | |
278 | if ($trace) { |
279 | if (-t && !@ARGV) { |
280 | print STDERR "reading from your keyboard: "; |
281 | } else { |
282 | print STDERR "reading from " . (@ARGV ? "@ARGV" : "<STDIN>").": "; |
283 | } |
284 | } |
285 | |
286 | STAB: while (<>) { |
287 | if ($trace && !($. % 10)) { |
288 | $lineno = $..''; |
289 | print STDERR $lineno, "\b" x length($lineno); |
290 | } |
291 | next unless /^\s*\.stabs\s+/; |
292 | $line = $_; |
293 | s/^\s*\.stabs\s+//; |
8e07c86e |
294 | if (s/\\\\"[d,]+$//) { |
295 | $saveline .= $line; |
296 | $savebar = $_; |
297 | next STAB; |
298 | } |
299 | if ($saveline) { |
300 | s/^"//; |
301 | $_ = $savebar . $_; |
302 | $line = $saveline; |
303 | } |
11aea360 |
304 | &stab; |
8e07c86e |
305 | $savebar = $saveline = undef; |
11aea360 |
306 | } |
307 | print STDERR "$.\n" if $trace; |
308 | unlink $TMP if $TMP; |
309 | |
310 | &compute_intrinsics if $perl && !$opt_i; |
311 | |
312 | print STDERR "resolving types\n" if $trace; |
313 | |
314 | &resolve_types; |
315 | &adjust_start_addrs; |
316 | |
317 | $sum = 2 + $type_width + $member_width; |
318 | $pmask1 = "%-${type_width}s %-${member_width}s"; |
319 | $pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s"; |
320 | |
8e07c86e |
321 | |
322 | |
11aea360 |
323 | if ($perl) { |
324 | # resolve template -- should be in stab define order, but even this isn't enough. |
325 | print STDERR "\nbuilding type templates: " if $trace; |
326 | for $i (reverse 0..$#type) { |
327 | next unless defined($name = $type[$i]); |
328 | next unless defined $struct{$name}; |
8e07c86e |
329 | ($iname = $name) =~ s/\..*//; |
11aea360 |
330 | $build_recursed = 0; |
331 | &build_template($name) unless defined $template{&psou($name)} || |
8e07c86e |
332 | $opt_s && !$interested{$iname}; |
11aea360 |
333 | } |
334 | print STDERR "\n\n" if $trace; |
335 | } |
336 | |
337 | print STDERR "dumping structs: " if $trace; |
338 | |
8e07c86e |
339 | local($iam); |
340 | |
341 | |
11aea360 |
342 | |
343 | foreach $name (sort keys %struct) { |
8e07c86e |
344 | ($iname = $name) =~ s/\..*//; |
345 | next if $opt_s && !$interested{$iname}; |
11aea360 |
346 | print STDERR "$name " if $trace; |
347 | |
348 | undef @sizeof; |
349 | undef @typedef; |
350 | undef @offsetof; |
351 | undef @indices; |
352 | undef @typeof; |
8e07c86e |
353 | undef @fieldnames; |
11aea360 |
354 | |
355 | $mname = &munge($name); |
356 | |
357 | $fname = &psou($name); |
358 | |
359 | print "# " if $perl && $verbose; |
360 | $pcode = ''; |
361 | print "$fname {\n" if !$perl || $verbose; |
362 | $template{$fname} = &scrunch($template{$fname}) if $perl; |
363 | &pstruct($name,$name,0); |
364 | print "# " if $perl && $verbose; |
365 | print "}\n" if !$perl || $verbose; |
366 | print "\n" if $perl && $verbose; |
367 | |
368 | if ($perl) { |
369 | print "$pcode"; |
370 | |
371 | printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name}); |
372 | |
373 | print <<EOF; |
374 | sub ${mname}'typedef { |
375 | local(\$${mname}'index) = shift; |
376 | defined \$${mname}'index |
377 | ? \$${mname}'typedef[\$${mname}'index] |
378 | : \$${mname}'typedef; |
379 | } |
380 | EOF |
381 | |
382 | print <<EOF; |
383 | sub ${mname}'sizeof { |
384 | local(\$${mname}'index) = shift; |
385 | defined \$${mname}'index |
386 | ? \$${mname}'sizeof[\$${mname}'index] |
387 | : \$${mname}'sizeof; |
388 | } |
389 | EOF |
390 | |
391 | print <<EOF; |
392 | sub ${mname}'offsetof { |
393 | local(\$${mname}'index) = shift; |
394 | defined \$${mname}index |
395 | ? \$${mname}'offsetof[\$${mname}'index] |
396 | : \$${mname}'sizeof; |
397 | } |
398 | EOF |
399 | |
400 | print <<EOF; |
401 | sub ${mname}'typeof { |
402 | local(\$${mname}'index) = shift; |
403 | defined \$${mname}index |
404 | ? \$${mname}'typeof[\$${mname}'index] |
405 | : '$name'; |
406 | } |
407 | EOF |
408 | |
8e07c86e |
409 | print <<EOF; |
410 | sub ${mname}'fieldnames { |
411 | \@${mname}'fieldnames; |
412 | } |
413 | EOF |
414 | |
415 | $iam = ($isastruct{$name} && 's') || ($isaunion{$name} && 'u'); |
416 | |
417 | print <<EOF; |
418 | sub ${mname}'isastruct { |
419 | '$iam'; |
420 | } |
421 | EOF |
11aea360 |
422 | |
423 | print "\$${mname}'typedef = '" . &scrunch($template{$fname}) |
424 | . "';\n"; |
425 | |
426 | print "\$${mname}'sizeof = $sizeof{$name};\n\n"; |
427 | |
428 | |
429 | print "\@${mname}'indices = (", &squishseq(@indices), ");\n"; |
430 | |
431 | print "\n"; |
432 | |
433 | print "\@${mname}'typedef[\@${mname}'indices] = (", |
434 | join("\n\t", '', @typedef), "\n );\n\n"; |
435 | print "\@${mname}'sizeof[\@${mname}'indices] = (", |
436 | join("\n\t", '', @sizeof), "\n );\n\n"; |
437 | print "\@${mname}'offsetof[\@${mname}'indices] = (", |
438 | join("\n\t", '', @offsetof), "\n );\n\n"; |
439 | print "\@${mname}'typeof[\@${mname}'indices] = (", |
440 | join("\n\t", '', @typeof), "\n );\n\n"; |
8e07c86e |
441 | print "\@${mname}'fieldnames[\@${mname}'indices] = (", |
442 | join("\n\t", '', @fieldnames), "\n );\n\n"; |
11aea360 |
443 | |
444 | $template_printed{$fname}++; |
445 | $size_printed{$fname}++; |
446 | } |
447 | print "\n"; |
448 | } |
449 | |
450 | print STDERR "\n" if $trace; |
451 | |
452 | unless ($perl && $opt_a) { |
8e07c86e |
453 | print "\n1;\n" if $perl; |
11aea360 |
454 | exit; |
455 | } |
456 | |
457 | |
458 | |
459 | foreach $name (sort bysizevalue keys %intrinsics) { |
460 | next if $size_printed{$name}; |
461 | print '$',&munge($name),"'sizeof = ", $sizeof{$name}, ";\n"; |
462 | } |
463 | |
464 | print "\n"; |
465 | |
466 | sub bysizevalue { $sizeof{$a} <=> $sizeof{$b}; } |
467 | |
468 | |
469 | foreach $name (sort keys %intrinsics) { |
470 | print '$',&munge($name),"'typedef = '", $template{$name}, "';\n"; |
471 | } |
472 | |
8e07c86e |
473 | print "\n1;\n" if $perl; |
11aea360 |
474 | |
475 | exit; |
476 | } |
477 | |
478 | ######################################################################################## |
479 | |
480 | |
481 | sub stab { |
8e07c86e |
482 | next unless $continued || /:[\$\w]+(\(\d+,\d+\))?=[\*\$\w]+/; # (\d+,\d+) is for sun |
11aea360 |
483 | s/"// || next; |
484 | s/",([x\d]+),([x\d]+),([x\d]+),.*// || next; |
485 | |
486 | next if /^\s*$/; |
487 | |
488 | $size = $3 if $3; |
8e07c86e |
489 | $_ = $continued . $_ if length($continued); |
490 | if (s/\\\\$//) { |
491 | # if last 2 chars of string are '\\' then stab is continued |
492 | # in next stab entry |
493 | chop; |
494 | $continued = $_; |
495 | next; |
496 | } |
497 | $continued = ''; |
11aea360 |
498 | |
499 | |
500 | $line = $_; |
501 | |
502 | if (($name, $pdecl) = /^([\$ \w]+):[tT]((\d+)(=[rufs*](\d+))+)$/) { |
503 | print "$name is a typedef for some funky pointers: $pdecl\n" if $debug; |
504 | &pdecl($pdecl); |
505 | next; |
506 | } |
507 | |
508 | |
509 | |
510 | if (/(([ \w]+):t(\d+|\(\d+,\d+\)))=r?(\d+|\(\d+,\d+\))(;\d+;\d+;)?/) { |
511 | local($ident) = $2; |
512 | push(@intrinsics, $ident); |
513 | $typeno = &typeno($3); |
514 | $type[$typeno] = $ident; |
515 | print STDERR "intrinsic $ident in new type $typeno\n" if $debug; |
516 | next; |
517 | } |
518 | |
519 | if (($name, $typeordef, $typeno, $extra, $struct, $_) |
520 | = /^([\$ \w]+):([ustT])(\d+|\(\d+,\d+\))(=[rufs*](\d+))?(.*)$/) |
521 | { |
522 | $typeno = &typeno($typeno); # sun foolery |
523 | } |
524 | elsif (/^[\$\w]+:/) { |
525 | next; # variable |
526 | } |
527 | else { |
528 | warn "can't grok stab: <$_> in: $line " if $_; |
529 | next; |
530 | } |
531 | |
532 | #warn "got size $size for $name\n"; |
533 | $sizeof{$name} = $size if $size; |
534 | |
535 | s/;[-\d]*;[-\d]*;$//; # we don't care about ranges |
536 | |
537 | $typenos{$name} = $typeno; |
538 | |
539 | unless (defined $type[$typeno]) { |
540 | &panic("type 0??") unless $typeno; |
541 | $type[$typeno] = $name unless defined $type[$typeno]; |
542 | printf "new type $typeno is $name" if $debug; |
543 | if ($extra =~ /\*/ && defined $type[$struct]) { |
544 | print ", a typedef for a pointer to " , $type[$struct] if $debug; |
545 | } |
546 | } else { |
547 | printf "%s is type %d", $name, $typeno if $debug; |
548 | print ", a typedef for " , $type[$typeno] if $debug; |
549 | } |
550 | print "\n" if $debug; |
551 | #next unless $extra =~ /[su*]/; |
552 | |
553 | #$type[$struct] = $name; |
554 | |
555 | if ($extra =~ /[us*]/) { |
556 | &sou($name, $extra); |
557 | $_ = &sdecl($name, $_, 0); |
558 | } |
559 | elsif (/^=ar/) { |
560 | print "it's a bare array typedef -- that's pretty sick\n" if $debug; |
561 | $_ = "$typeno$_"; |
562 | $scripts = ''; |
563 | $_ = &adecl($_,1); |
564 | |
565 | } |
566 | elsif (s/((\w+):t(\d+|\(\d+,\d+\)))?=r?(;\d+;\d+;)?//) { # the ?'s are for gcc |
567 | push(@intrinsics, $2); |
568 | $typeno = &typeno($3); |
569 | $type[$typeno] = $2; |
570 | print STDERR "intrinsic $2 in new type $typeno\n" if $debug; |
571 | } |
8e07c86e |
572 | elsif (s/^=e//) { # blessed be thy compiler; mine won't do this |
11aea360 |
573 | &edecl; |
574 | } |
575 | else { |
576 | warn "Funny remainder for $name on line $_ left in $line " if $_; |
577 | } |
578 | } |
579 | |
580 | sub typeno { # sun thinks types are (0,27) instead of just 27 |
581 | local($_) = @_; |
582 | s/\(\d+,(\d+)\)/$1/; |
583 | $_; |
584 | } |
585 | |
586 | sub pstruct { |
587 | local($what,$prefix,$base) = @_; |
588 | local($field, $fieldname, $typeno, $count, $offset, $entry); |
589 | local($fieldtype); |
590 | local($type, $tname); |
591 | local($mytype, $mycount, $entry2); |
592 | local($struct_count) = 0; |
593 | local($pad, $revpad, $length, $prepad, $lastoffset, $lastlength, $fmt); |
594 | local($bits,$bytes); |
595 | local($template); |
596 | |
597 | |
598 | local($mname) = &munge($name); |
599 | |
600 | sub munge { |
601 | local($_) = @_; |
602 | s/[\s\$\.]/_/g; |
603 | $_; |
604 | } |
605 | |
606 | local($sname) = &psou($what); |
607 | |
608 | $nesting++; |
609 | |
610 | for $field (split(/;/, $struct{$what})) { |
611 | $pad = $prepad = 0; |
612 | $entry = ''; |
613 | ($fieldname, $typeno, $count, $offset, $length) = split(/,/, $field); |
614 | |
615 | $type = $type[$typeno]; |
616 | |
617 | $type =~ /([^[]*)(\[.*\])?/; |
618 | $mytype = $1; |
619 | $count .= $2; |
620 | $fieldtype = &psou($mytype); |
621 | |
622 | local($fname) = &psou($name); |
623 | |
624 | if ($build_templates) { |
625 | |
626 | $pad = ($offset - ($lastoffset + $lastlength))/8 |
627 | if defined $lastoffset; |
628 | |
629 | if (! $finished_template{$sname}) { |
630 | if ($isaunion{$what}) { |
631 | $template{$sname} .= 'X' x $revpad . ' ' if $revpad; |
632 | } else { |
633 | $template{$sname} .= 'x' x $pad . ' ' if $pad; |
634 | } |
635 | } |
636 | |
8e07c86e |
637 | $template = &fetch_template($type); |
638 | &repeat_template($template,$count); |
11aea360 |
639 | |
640 | if (! $finished_template{$sname}) { |
641 | $template{$sname} .= $template; |
642 | } |
643 | |
644 | $revpad = $length/8 if $isaunion{$what}; |
645 | |
646 | ($lastoffset, $lastlength) = ($offset, $length); |
647 | |
648 | } else { |
649 | print '# ' if $perl && $verbose; |
650 | $entry = sprintf($pmask1, |
651 | ' ' x ($nesting * $indent) . $fieldtype, |
652 | "$prefix.$fieldname" . $count); |
653 | |
654 | $entry =~ s/(\*+)( )/$2$1/; |
655 | |
656 | printf $pmask2, |
657 | $entry, |
658 | ($base+$offset)/8, |
659 | ($bits = ($base+$offset)%8) ? ".$bits" : " ", |
660 | $length/8, |
661 | ($bits = $length % 8) ? ".$bits": "" |
662 | if !$perl || $verbose; |
663 | |
8e07c86e |
664 | if ($perl) { |
665 | $template = &fetch_template($type); |
666 | &repeat_template($template,$count); |
667 | } |
11aea360 |
668 | |
669 | if ($perl && $nesting == 1) { |
8e07c86e |
670 | |
11aea360 |
671 | push(@sizeof, int($length/8) .",\t# $fieldname"); |
672 | push(@offsetof, int($offset/8) .",\t# $fieldname"); |
8e07c86e |
673 | local($little) = &scrunch($template); |
674 | push(@typedef, "'$little', \t# $fieldname"); |
11aea360 |
675 | $type =~ s/(struct|union) //; |
8e07c86e |
676 | push(@typeof, "'$mytype" . ($count ? $count : '') . |
11aea360 |
677 | "',\t# $fieldname"); |
8e07c86e |
678 | push(@fieldnames, "'$fieldname',"); |
11aea360 |
679 | } |
680 | |
681 | print ' ', ' ' x $indent x $nesting, $template |
682 | if $perl && $verbose; |
683 | |
684 | print "\n" if !$perl || $verbose; |
685 | |
686 | } |
687 | if ($perl) { |
688 | local($mycount) = defined $struct{$mytype} ? $countof{$mytype} : 1; |
689 | $mycount *= &scripts2count($count) if $count; |
690 | if ($nesting==1 && !$build_templates) { |
691 | $pcode .= sprintf("sub %-32s { %4d; }\n", |
692 | "${mname}'${fieldname}", $struct_count); |
693 | push(@indices, $struct_count); |
694 | } |
695 | $struct_count += $mycount; |
696 | } |
697 | |
698 | |
699 | &pstruct($type, "$prefix.$fieldname", $base+$offset) |
700 | if $recurse && defined $struct{$type}; |
701 | } |
702 | |
703 | $countof{$what} = $struct_count unless defined $countof{$whati}; |
704 | |
705 | $template{$sname} .= '$' if $build_templates; |
706 | $finished_template{$sname}++; |
707 | |
708 | if ($build_templates && !defined $sizeof{$name}) { |
709 | local($fmt) = &scrunch($template{$sname}); |
710 | print STDERR "no size for $name, punting with $fmt..." if $debug; |
711 | eval '$sizeof{$name} = length(pack($fmt, ()))'; |
712 | if ($@) { |
713 | chop $@; |
714 | warn "couldn't get size for \$name: $@"; |
715 | } else { |
716 | print STDERR $sizeof{$name}, "\n" if $debUg; |
717 | } |
718 | } |
719 | |
720 | --$nesting; |
721 | } |
722 | |
723 | |
724 | sub psize { |
725 | local($me) = @_; |
726 | local($amstruct) = $struct{$me} ? 'struct ' : ''; |
727 | |
728 | print '$sizeof{\'', $amstruct, $me, '\'} = '; |
729 | printf "%d;\n", $sizeof{$me}; |
730 | } |
731 | |
732 | sub pdecl { |
733 | local($pdecl) = @_; |
734 | local(@pdecls); |
735 | local($tname); |
736 | |
737 | warn "pdecl: $pdecl\n" if $debug; |
738 | |
739 | $pdecl =~ s/\(\d+,(\d+)\)/$1/g; |
740 | $pdecl =~ s/\*//g; |
741 | @pdecls = split(/=/, $pdecl); |
742 | $typeno = $pdecls[0]; |
743 | $tname = pop @pdecls; |
744 | |
745 | if ($tname =~ s/^f//) { $tname = "$tname&"; } |
746 | #else { $tname = "$tname*"; } |
747 | |
748 | for (reverse @pdecls) { |
749 | $tname .= s/^f// ? "&" : "*"; |
750 | #$tname =~ s/^f(.*)/$1&/; |
751 | print "type[$_] is $tname\n" if $debug; |
752 | $type[$_] = $tname unless defined $type[$_]; |
753 | } |
754 | } |
755 | |
756 | |
757 | |
758 | sub adecl { |
759 | ($arraytype, $unknown, $lower, $upper) = (); |
760 | #local($typeno); |
761 | # global $typeno, @type |
762 | local($_, $typedef) = @_; |
763 | |
8e07c86e |
764 | while (s/^((\d+|\(\d+,\d+\))=)?ar(\d+|\(\d+,\d+\));//) { |
11aea360 |
765 | ($arraytype, $unknown) = ($2, $3); |
8e07c86e |
766 | $arraytype = &typeno($arraytype); |
767 | $unknown = &typeno($unknown); |
11aea360 |
768 | if (s/^(\d+);(\d+);//) { |
769 | ($lower, $upper) = ($1, $2); |
770 | $scripts .= '[' . ($upper+1) . ']'; |
771 | } else { |
772 | warn "can't find array bounds: $_"; |
773 | } |
774 | } |
8e07c86e |
775 | if (s/^([(,)\d*f=]*),(\d+),(\d+);//) { |
11aea360 |
776 | ($start, $length) = ($2, $3); |
8e07c86e |
777 | $whatis = $1; |
778 | if ($whatis =~ /^(\d+|\(\d+,\d+\))=/) { |
779 | $typeno = &typeno($1); |
11aea360 |
780 | &pdecl($whatis); |
781 | } else { |
8e07c86e |
782 | $typeno = &typeno($whatis); |
11aea360 |
783 | } |
784 | } elsif (s/^(\d+)(=[*suf]\d*)//) { |
785 | local($whatis) = $2; |
786 | |
787 | if ($whatis =~ /[f*]/) { |
788 | &pdecl($whatis); |
789 | } elsif ($whatis =~ /[su]/) { # |
790 | print "$prefix.$fieldname is an array$scripts anon structs; disgusting\n" |
791 | if $debug; |
792 | #$type[$typeno] = $name unless defined $type[$typeno]; |
793 | ##printf "new type $typeno is $name" if $debug; |
794 | $typeno = $1; |
795 | $type[$typeno] = "$prefix.$fieldname"; |
796 | local($name) = $type[$typeno]; |
797 | &sou($name, $whatis); |
798 | $_ = &sdecl($name, $_, $start+$offset); |
799 | 1; |
800 | $start = $start{$name}; |
801 | $offset = $sizeof{$name}; |
802 | $length = $offset; |
803 | } else { |
804 | warn "what's this? $whatis in $line "; |
805 | } |
806 | } elsif (/^\d+$/) { |
807 | $typeno = $_; |
808 | } else { |
809 | warn "bad array stab: $_ in $line "; |
810 | next STAB; |
811 | } |
812 | #local($wasdef) = defined($type[$typeno]) && $debug; |
813 | #if ($typedef) { |
814 | #print "redefining $type[$typeno] to " if $wasdef; |
815 | #$type[$typeno] = "$whatis$scripts"; # unless defined $type[$typeno]; |
816 | #print "$type[$typeno]\n" if $wasdef; |
817 | #} else { |
818 | #$type[$arraytype] = $type[$typeno] unless defined $type[$arraytype]; |
819 | #} |
820 | $type[$arraytype] = "$type[$typeno]$scripts" if defined $type[$typeno]; |
821 | print "type[$arraytype] is $type[$arraytype]\n" if $debug; |
822 | print "$prefix.$fieldname is an array of $type[$arraytype]\n" if $debug; |
823 | $_; |
824 | } |
825 | |
826 | |
827 | |
828 | sub sdecl { |
829 | local($prefix, $_, $offset) = @_; |
830 | |
831 | local($fieldname, $scripts, $type, $arraytype, $unknown, |
832 | $whatis, $pdecl, $upper,$lower, $start,$length) = (); |
833 | local($typeno,$sou); |
834 | |
835 | |
836 | SFIELD: |
837 | while (/^([^;]+);/) { |
838 | $scripts = ''; |
839 | warn "sdecl $_\n" if $debug; |
840 | if (s/^([\$\w]+)://) { |
841 | $fieldname = $1; |
842 | } elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # |
843 | $typeno = &typeno($1); |
844 | $type[$typeno] = "$prefix.$fieldname"; |
845 | local($name) = "$prefix.$fieldname"; |
846 | &sou($name,$2); |
847 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
848 | $start = $start{$name}; |
849 | $offset += $sizeof{$name}; |
850 | #print "done with anon, start is $start, offset is $offset\n"; |
851 | #next SFIELD; |
852 | } else { |
853 | warn "weird field $_ of $line" if $debug; |
854 | next STAB; |
855 | #$fieldname = &gensym; |
856 | #$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
857 | } |
858 | |
8e07c86e |
859 | if (/^(\d+|\(\d+,\d+\))=ar/) { |
11aea360 |
860 | $_ = &adecl($_); |
861 | } |
862 | elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) { |
8e07c86e |
863 | ($start, $length) = ($2, $3); |
864 | &panic("no length?") unless $length; |
865 | $typeno = &typeno($1) if $1; |
866 | } |
867 | elsif (s/^(\d+)=xs\w+:,(\d+),(\d+);//) { |
11aea360 |
868 | ($start, $length) = ($2, $3); |
869 | &panic("no length?") unless $length; |
870 | $typeno = &typeno($1) if $1; |
871 | } |
872 | elsif (s/^((\d+|\(\d+,\d+\))(=[*f](\d+|\(\d+,\d+\)))+),(\d+),(\d+);//) { |
873 | ($pdecl, $start, $length) = ($1,$5,$6); |
874 | &pdecl($pdecl); |
875 | } |
876 | elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # the dratted anon struct |
877 | ($typeno, $sou) = ($1, $2); |
878 | $typeno = &typeno($typeno); |
879 | if (defined($type[$typeno])) { |
880 | warn "now how did we get type $1 in $fieldname of $line?"; |
881 | } else { |
882 | print "anon type $typeno is $prefix.$fieldname\n" if $debug; |
883 | $type[$typeno] = "$prefix.$fieldname" unless defined $type[$typeno]; |
884 | }; |
885 | local($name) = "$prefix.$fieldname"; |
886 | &sou($name,$sou); |
887 | print "anon ".($isastruct{$name}) ? "struct":"union"." for $prefix.$fieldname\n" if $debug; |
888 | $type[$typeno] = "$prefix.$fieldname"; |
889 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
890 | $start = $start{$name}; |
891 | $length = $sizeof{$name}; |
892 | } |
893 | else { |
894 | warn "can't grok stab for $name ($_) in line $line "; |
895 | next STAB; |
896 | } |
897 | |
898 | &panic("no length for $prefix.$fieldname") unless $length; |
899 | $struct{$name} .= join(',', $fieldname, $typeno, $scripts, $start, $length) . ';'; |
900 | } |
901 | if (s/;\d*,(\d+),(\d+);//) { |
902 | local($start, $size) = ($1, $2); |
903 | $sizeof{$prefix} = $size; |
904 | print "start of $prefix is $start, size of $sizeof{$prefix}\n" if $debug; |
905 | $start{$prefix} = $start; |
906 | } |
907 | $_; |
908 | } |
909 | |
910 | sub edecl { |
911 | s/;$//; |
912 | $enum{$name} = $_; |
913 | $_ = ''; |
914 | } |
915 | |
916 | sub resolve_types { |
917 | local($sou); |
918 | for $i (0 .. $#type) { |
919 | next unless defined $type[$i]; |
920 | $_ = $type[$i]; |
921 | unless (/\d/) { |
922 | print "type[$i] $type[$i]\n" if $debug; |
923 | next; |
924 | } |
925 | print "type[$i] $_ ==> " if $debug; |
926 | s/^(\d+)(\**)\&\*(\**)/"$2($3".&type($1) . ')()'/e; |
927 | s/^(\d+)\&/&type($1)/e; |
928 | s/^(\d+)/&type($1)/e; |
929 | s/(\*+)([^*]+)(\*+)/$1$3$2/; |
930 | s/\((\*+)(\w+)(\*+)\)/$3($1$2)/; |
931 | s/^(\d+)([\*\[].*)/&type($1).$2/e; |
932 | #s/(\d+)(\*|(\[[\[\]\d\*]+]\])+)/&type($1).$2/ge; |
933 | $type[$i] = $_; |
934 | print "$_\n" if $debug; |
935 | } |
936 | } |
937 | sub type { &psou($type[$_[0]] || "<UNDEFINED>"); } |
938 | |
939 | sub adjust_start_addrs { |
940 | for (sort keys %start) { |
941 | ($basename = $_) =~ s/\.[^.]+$//; |
942 | $start{$_} += $start{$basename}; |
943 | print "start: $_ @ $start{$_}\n" if $debug; |
944 | } |
945 | } |
946 | |
947 | sub sou { |
948 | local($what, $_) = @_; |
949 | /u/ && $isaunion{$what}++; |
950 | /s/ && $isastruct{$what}++; |
951 | } |
952 | |
953 | sub psou { |
954 | local($what) = @_; |
955 | local($prefix) = ''; |
956 | if ($isaunion{$what}) { |
957 | $prefix = 'union '; |
958 | } elsif ($isastruct{$what}) { |
959 | $prefix = 'struct '; |
960 | } |
961 | $prefix . $what; |
962 | } |
963 | |
964 | sub scrunch { |
965 | local($_) = @_; |
966 | |
8e07c86e |
967 | return '' if $_ eq ''; |
968 | |
11aea360 |
969 | study; |
970 | |
971 | s/\$//g; |
972 | s/ / /g; |
973 | 1 while s/(\w) \1/$1$1/g; |
974 | |
975 | # i wanna say this, but perl resists my efforts: |
976 | # s/(\w)(\1+)/$2 . length($1)/ge; |
977 | |
978 | &quick_scrunch; |
979 | |
980 | s/ $//; |
981 | |
982 | $_; |
983 | } |
984 | |
985 | sub buildscrunchlist { |
986 | $scrunch_code = "sub quick_scrunch {\n"; |
987 | for (values %intrinsics) { |
4633a7c4 |
988 | $scrunch_code .= "\ts/(${_}{2,})/'$_' . length(\$1)/ge;\n"; |
11aea360 |
989 | } |
990 | $scrunch_code .= "}\n"; |
991 | print "$scrunch_code" if $debug; |
992 | eval $scrunch_code; |
993 | &panic("can't eval scrunch_code $@ \nscrunch_code") if $@; |
994 | } |
995 | |
996 | sub fetch_template { |
997 | local($mytype) = @_; |
998 | local($fmt); |
999 | local($count) = 1; |
1000 | |
1001 | &panic("why do you care?") unless $perl; |
1002 | |
1003 | if ($mytype =~ s/(\[\d+\])+$//) { |
1004 | $count .= $1; |
1005 | } |
1006 | |
1007 | if ($mytype =~ /\*/) { |
1008 | $fmt = $template{'pointer'}; |
1009 | } |
1010 | elsif (defined $template{$mytype}) { |
1011 | $fmt = $template{$mytype}; |
1012 | } |
1013 | elsif (defined $struct{$mytype}) { |
1014 | if (!defined $template{&psou($mytype)}) { |
1015 | &build_template($mytype) unless $mytype eq $name; |
1016 | } |
1017 | elsif ($template{&psou($mytype)} !~ /\$$/) { |
1018 | #warn "incomplete template for $mytype\n"; |
1019 | } |
1020 | $fmt = $template{&psou($mytype)} || '?'; |
1021 | } |
1022 | else { |
1023 | warn "unknown fmt for $mytype\n"; |
1024 | $fmt = '?'; |
1025 | } |
1026 | |
1027 | $fmt x $count . ' '; |
1028 | } |
1029 | |
1030 | sub compute_intrinsics { |
1031 | local($TMP) = "/tmp/c2ph-i.$$.c"; |
1032 | open (TMP, ">$TMP") || die "can't open $TMP: $!"; |
1033 | select(TMP); |
1034 | |
1035 | print STDERR "computing intrinsic sizes: " if $trace; |
1036 | |
1037 | undef %intrinsics; |
1038 | |
1039 | print <<'EOF'; |
1040 | main() { |
1041 | char *mask = "%d %s\n"; |
1042 | EOF |
1043 | |
1044 | for $type (@intrinsics) { |
8e07c86e |
1045 | next if !type || $type eq 'void' || $type =~ /complex/; # sun stuff |
11aea360 |
1046 | print <<"EOF"; |
1047 | printf(mask,sizeof($type), "$type"); |
1048 | EOF |
1049 | } |
1050 | |
1051 | print <<'EOF'; |
1052 | printf(mask,sizeof(char *), "pointer"); |
1053 | exit(0); |
1054 | } |
1055 | EOF |
1056 | close TMP; |
1057 | |
1058 | select(STDOUT); |
1059 | open(PIPE, "cd /tmp && $CC $TMP && /tmp/a.out|"); |
1060 | while (<PIPE>) { |
1061 | chop; |
1062 | split(' ',$_,2);; |
1063 | print "intrinsic $_[1] is size $_[0]\n" if $debug; |
1064 | $sizeof{$_[1]} = $_[0]; |
1065 | $intrinsics{$_[1]} = $template{$_[0]}; |
1066 | } |
1067 | close(PIPE) || die "couldn't read intrinsics!"; |
1068 | unlink($TMP, '/tmp/a.out'); |
1069 | print STDERR "done\n" if $trace; |
1070 | } |
1071 | |
1072 | sub scripts2count { |
1073 | local($_) = @_; |
1074 | |
1075 | s/^\[//; |
1076 | s/\]$//; |
1077 | s/\]\[/*/g; |
1078 | $_ = eval; |
1079 | &panic("$_: $@") if $@; |
1080 | $_; |
1081 | } |
1082 | |
1083 | sub system { |
1084 | print STDERR "@_\n" if $trace; |
1085 | system @_; |
1086 | } |
1087 | |
1088 | sub build_template { |
1089 | local($name) = @_; |
1090 | |
1091 | &panic("already got a template for $name") if defined $template{$name}; |
1092 | |
1093 | local($build_templates) = 1; |
1094 | |
1095 | local($lparen) = '(' x $build_recursed; |
1096 | local($rparen) = ')' x $build_recursed; |
1097 | |
1098 | print STDERR "$lparen$name$rparen " if $trace; |
1099 | $build_recursed++; |
1100 | &pstruct($name,$name,0); |
1101 | print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug; |
1102 | --$build_recursed; |
1103 | } |
1104 | |
1105 | |
1106 | sub panic { |
1107 | |
1108 | select(STDERR); |
1109 | |
1110 | print "\npanic: @_\n"; |
1111 | |
1112 | exit 1 if $] <= 4.003; # caller broken |
1113 | |
1114 | local($i,$_); |
1115 | local($p,$f,$l,$s,$h,$a,@a,@sub); |
1116 | for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) { |
1117 | @a = @DB'args; |
1118 | for (@a) { |
1119 | if (/^StB\000/ && length($_) == length($_main{'_main'})) { |
1120 | $_ = sprintf("%s",$_); |
1121 | } |
1122 | else { |
1123 | s/'/\\'/g; |
1124 | s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/; |
1125 | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg; |
1126 | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg; |
1127 | } |
1128 | } |
1129 | $w = $w ? '@ = ' : '$ = '; |
1130 | $a = $h ? '(' . join(', ', @a) . ')' : ''; |
1131 | push(@sub, "$w&$s$a from file $f line $l\n"); |
1132 | last if $signal; |
1133 | } |
1134 | for ($i=0; $i <= $#sub; $i++) { |
1135 | last if $signal; |
1136 | print $sub[$i]; |
1137 | } |
1138 | exit 1; |
1139 | } |
1140 | |
1141 | sub squishseq { |
1142 | local($num); |
1143 | local($last) = -1e8; |
1144 | local($string); |
1145 | local($seq) = '..'; |
1146 | |
1147 | while (defined($num = shift)) { |
1148 | if ($num == ($last + 1)) { |
1149 | $string .= $seq unless $inseq++; |
1150 | $last = $num; |
1151 | next; |
1152 | } elsif ($inseq) { |
1153 | $string .= $last unless $last == -1e8; |
1154 | } |
1155 | |
1156 | $string .= ',' if defined $string; |
1157 | $string .= $num; |
1158 | $last = $num; |
1159 | $inseq = 0; |
1160 | } |
1161 | $string .= $last if $inseq && $last != -e18; |
1162 | $string; |
1163 | } |
8e07c86e |
1164 | |
1165 | sub repeat_template { |
1166 | # local($template, $scripts) = @_; have to change caller's values |
1167 | |
1168 | if ( $_[1] ) { |
1169 | local($ncount) = &scripts2count($_[1]); |
1170 | if ($_[0] =~ /^\s*c\s*$/i) { |
1171 | $_[0] = "A$ncount "; |
1172 | $_[1] = ''; |
1173 | } else { |
1174 | $_[0] = $template x $ncount; |
1175 | } |
1176 | } |
1177 | } |
4633a7c4 |
1178 | !NO!SUBS! |
1179 | |
1180 | close OUT or die "Can't close $file: $!"; |
1181 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
1182 | unlink 'pstruct'; |
1183 | link c2ph, pstruct; |
1184 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |