Commit | Line | Data |
11aea360 |
1 | case $CONFIG in |
2 | '') |
3 | if test ! -f config.sh; then |
4 | ln ../config.sh . || \ |
5 | ln ../../config.sh . || \ |
6 | ln ../../../config.sh . || \ |
7 | (echo "Can't find config.sh."; exit 1) |
8 | fi |
9 | . config.sh |
10 | ;; |
11 | esac |
12 | : This forces SH files to create target in same directory as SH file. |
13 | : This is so that make depend always knows where to find SH derivatives. |
14 | case "$0" in |
15 | */*) cd `expr X$0 : 'X\(.*\)/'` ;; |
16 | esac |
17 | echo "Extracting c2ph (with variable substitutions)" |
18 | : This section of the file will have variable substitutions done on it. |
19 | : Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!. |
20 | : Protect any dollar signs and backticks that you do not want interpreted |
21 | : by putting a backslash in front. You may delete these comments. |
68decaef |
22 | rm -f c2ph |
11aea360 |
23 | $spitshell >c2ph <<!GROK!THIS! |
c2960299 |
24 | #!$binexp/perl |
11aea360 |
25 | # |
26 | !GROK!THIS! |
27 | |
28 | : In the following dollars and backticks do not need the extra backslash. |
29 | $spitshell >>c2ph <<'!NO!SUBS!' |
30 | # |
31 | # c2ph (aka pstruct) |
32 | # Tom Christiansen, <tchrist@convex.com> |
33 | # |
34 | # As pstruct, dump C structures as generated from 'cc -g -S' stabs. |
35 | # As c2ph, do this PLUS generate perl code for getting at the structures. |
36 | # |
37 | # See the usage message for more. If this isn't enough, read the code. |
38 | # |
39 | |
8e07c86e |
40 | $RCSID = '$Id: c2ph,v 1.7 95/10/28 10:41:47 tchrist Exp Locker: tchrist $'; |
11aea360 |
41 | |
42 | |
43 | ###################################################################### |
44 | |
45 | # some handy data definitions. many of these can be reset later. |
46 | |
47 | $bitorder = 'b'; # ascending; set to B for descending bit fields |
48 | |
49 | %intrinsics = |
50 | %template = ( |
51 | 'char', 'c', |
52 | 'unsigned char', 'C', |
53 | 'short', 's', |
54 | 'short int', 's', |
55 | 'unsigned short', 'S', |
56 | 'unsigned short int', 'S', |
57 | 'short unsigned int', 'S', |
58 | 'int', 'i', |
59 | 'unsigned int', 'I', |
60 | 'long', 'l', |
61 | 'long int', 'l', |
62 | 'unsigned long', 'L', |
63 | 'unsigned long', 'L', |
64 | 'long unsigned int', 'L', |
65 | 'unsigned long int', 'L', |
66 | 'long long', 'q', |
67 | 'long long int', 'q', |
68 | 'unsigned long long', 'Q', |
69 | 'unsigned long long int', 'Q', |
70 | 'float', 'f', |
71 | 'double', 'd', |
72 | 'pointer', 'p', |
73 | 'null', 'x', |
74 | 'neganull', 'X', |
75 | 'bit', $bitorder, |
76 | ); |
77 | |
78 | &buildscrunchlist; |
79 | delete $intrinsics{'neganull'}; |
80 | delete $intrinsics{'bit'}; |
81 | delete $intrinsics{'null'}; |
82 | |
83 | # use -s to recompute sizes |
84 | %sizeof = ( |
85 | 'char', '1', |
86 | 'unsigned char', '1', |
87 | 'short', '2', |
88 | 'short int', '2', |
89 | 'unsigned short', '2', |
90 | 'unsigned short int', '2', |
91 | 'short unsigned int', '2', |
92 | 'int', '4', |
93 | 'unsigned int', '4', |
94 | 'long', '4', |
95 | 'long int', '4', |
96 | 'unsigned long', '4', |
97 | 'unsigned long int', '4', |
98 | 'long unsigned int', '4', |
99 | 'long long', '8', |
100 | 'long long int', '8', |
101 | 'unsigned long long', '8', |
102 | 'unsigned long long int', '8', |
103 | 'float', '4', |
104 | 'double', '8', |
105 | 'pointer', '4', |
106 | ); |
107 | |
108 | ($type_width, $member_width, $offset_width, $size_width) = (20, 20, 6, 5); |
109 | |
110 | ($offset_fmt, $size_fmt) = ('d', 'd'); |
111 | |
112 | $indent = 2; |
113 | |
114 | $CC = 'cc'; |
115 | $CFLAGS = '-g -S'; |
116 | $DEFINES = ''; |
117 | |
118 | $perl++ if $0 =~ m#/?c2ph$#; |
119 | |
120 | require 'getopts.pl'; |
121 | |
122 | eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift; |
123 | |
124 | &Getopts('aixdpvtnws:') || &usage(0); |
125 | |
126 | $opt_d && $debug++; |
127 | $opt_t && $trace++; |
128 | $opt_p && $perl++; |
129 | $opt_v && $verbose++; |
130 | $opt_n && ($perl = 0); |
131 | |
132 | if ($opt_w) { |
133 | ($type_width, $member_width, $offset_width) = (45, 35, 8); |
134 | } |
135 | if ($opt_x) { |
136 | ($offset_fmt, $offset_width, $size_fmt, $size_width) = ( 'x', '08', 'x', 04 ); |
137 | } |
138 | |
139 | eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift; |
140 | |
141 | sub PLUMBER { |
142 | select(STDERR); |
143 | print "oops, apperent pager foulup\n"; |
144 | $isatty++; |
145 | &usage(1); |
146 | } |
147 | |
148 | sub usage { |
149 | local($oops) = @_; |
150 | unless (-t STDOUT) { |
151 | select(STDERR); |
152 | } elsif (!$oops) { |
153 | $isatty++; |
154 | $| = 1; |
155 | print "hit <RETURN> for further explanation: "; |
156 | <STDIN>; |
157 | open (PIPE, "|". ($ENV{PAGER} || 'more')); |
158 | $SIG{PIPE} = PLUMBER; |
159 | select(PIPE); |
160 | } |
161 | |
162 | print "usage: $0 [-dpnP] [var=val] [files ...]\n"; |
163 | |
164 | exit unless $isatty; |
165 | |
166 | print <<EOF; |
167 | |
168 | Options: |
169 | |
170 | -w wide; short for: type_width=45 member_width=35 offset_width=8 |
171 | -x hex; short for: offset_fmt=x offset_width=08 size_fmt=x size_width=04 |
172 | |
173 | -n do not generate perl code (default when invoked as pstruct) |
174 | -p generate perl code (default when invoked as c2ph) |
175 | -v generate perl code, with C decls as comments |
176 | |
177 | -i do NOT recompute sizes for intrinsic datatypes |
178 | -a dump information on intrinsics also |
179 | |
180 | -t trace execution |
181 | -d spew reams of debugging output |
182 | |
183 | -slist give comma-separated list a structures to dump |
184 | |
185 | |
186 | Var Name Default Value Meaning |
187 | |
188 | EOF |
189 | |
190 | &defvar('CC', 'which_compiler to call'); |
191 | &defvar('CFLAGS', 'how to generate *.s files with stabs'); |
192 | &defvar('DEFINES','any extra cflags or cpp defines, like -I, -D, -U'); |
193 | |
194 | print "\n"; |
195 | |
196 | &defvar('type_width', 'width of type field (column 1)'); |
197 | &defvar('member_width', 'width of member field (column 2)'); |
198 | &defvar('offset_width', 'width of offset field (column 3)'); |
199 | &defvar('size_width', 'width of size field (column 4)'); |
200 | |
201 | print "\n"; |
202 | |
203 | &defvar('offset_fmt', 'sprintf format type for offset'); |
204 | &defvar('size_fmt', 'sprintf format type for size'); |
205 | |
206 | print "\n"; |
207 | |
208 | &defvar('indent', 'how far to indent each nesting level'); |
209 | |
210 | print <<'EOF'; |
211 | |
212 | If any *.[ch] files are given, these will be catted together into |
213 | a temporary *.c file and sent through: |
214 | $CC $CFLAGS $DEFINES |
215 | and the resulting *.s groped for stab information. If no files are |
216 | supplied, then stdin is read directly with the assumption that it |
217 | contains stab information. All other liens will be ignored. At |
218 | most one *.s file should be supplied. |
219 | |
220 | EOF |
221 | close PIPE; |
222 | exit 1; |
223 | } |
224 | |
225 | sub defvar { |
226 | local($var, $msg) = @_; |
227 | printf "%-16s%-15s %s\n", $var, eval "\$$var", $msg; |
228 | } |
229 | |
230 | $recurse = 1; |
231 | |
232 | if (@ARGV) { |
233 | if (grep(!/\.[csh]$/,@ARGV)) { |
234 | warn "Only *.[csh] files expected!\n"; |
235 | &usage; |
236 | } |
237 | elsif (grep(/\.s$/,@ARGV)) { |
238 | if (@ARGV > 1) { |
239 | warn "Only one *.s file allowed!\n"; |
240 | &usage; |
241 | } |
242 | } |
243 | elsif (@ARGV == 1 && $ARGV[0] =~ /\.c$/) { |
244 | local($dir, $file) = $ARGV[0] =~ m#(.*/)?(.*)$#; |
245 | $chdir = "cd $dir; " if $dir; |
246 | &system("$chdir$CC $CFLAGS $DEFINES $file") && exit 1; |
247 | $ARGV[0] =~ s/\.c$/.s/; |
248 | } |
249 | else { |
250 | $TMP = "/tmp/c2ph.$$.c"; |
251 | &system("cat @ARGV > $TMP") && exit 1; |
252 | &system("cd /tmp; $CC $CFLAGS $DEFINES $TMP") && exit 1; |
253 | unlink $TMP; |
254 | $TMP =~ s/\.c$/.s/; |
255 | @ARGV = ($TMP); |
256 | } |
257 | } |
258 | |
259 | if ($opt_s) { |
260 | for (split(/[\s,]+/, $opt_s)) { |
261 | $interested{$_}++; |
262 | } |
263 | } |
264 | |
265 | |
266 | $| = 1 if $debug; |
267 | |
268 | main: { |
269 | |
270 | if ($trace) { |
271 | if (-t && !@ARGV) { |
272 | print STDERR "reading from your keyboard: "; |
273 | } else { |
274 | print STDERR "reading from " . (@ARGV ? "@ARGV" : "<STDIN>").": "; |
275 | } |
276 | } |
277 | |
278 | STAB: while (<>) { |
279 | if ($trace && !($. % 10)) { |
280 | $lineno = $..''; |
281 | print STDERR $lineno, "\b" x length($lineno); |
282 | } |
283 | next unless /^\s*\.stabs\s+/; |
284 | $line = $_; |
285 | s/^\s*\.stabs\s+//; |
8e07c86e |
286 | if (s/\\\\"[d,]+$//) { |
287 | $saveline .= $line; |
288 | $savebar = $_; |
289 | next STAB; |
290 | } |
291 | if ($saveline) { |
292 | s/^"//; |
293 | $_ = $savebar . $_; |
294 | $line = $saveline; |
295 | } |
11aea360 |
296 | &stab; |
8e07c86e |
297 | $savebar = $saveline = undef; |
11aea360 |
298 | } |
299 | print STDERR "$.\n" if $trace; |
300 | unlink $TMP if $TMP; |
301 | |
302 | &compute_intrinsics if $perl && !$opt_i; |
303 | |
304 | print STDERR "resolving types\n" if $trace; |
305 | |
306 | &resolve_types; |
307 | &adjust_start_addrs; |
308 | |
309 | $sum = 2 + $type_width + $member_width; |
310 | $pmask1 = "%-${type_width}s %-${member_width}s"; |
311 | $pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s"; |
312 | |
8e07c86e |
313 | |
314 | |
11aea360 |
315 | if ($perl) { |
316 | # resolve template -- should be in stab define order, but even this isn't enough. |
317 | print STDERR "\nbuilding type templates: " if $trace; |
318 | for $i (reverse 0..$#type) { |
319 | next unless defined($name = $type[$i]); |
320 | next unless defined $struct{$name}; |
8e07c86e |
321 | ($iname = $name) =~ s/\..*//; |
11aea360 |
322 | $build_recursed = 0; |
323 | &build_template($name) unless defined $template{&psou($name)} || |
8e07c86e |
324 | $opt_s && !$interested{$iname}; |
11aea360 |
325 | } |
326 | print STDERR "\n\n" if $trace; |
327 | } |
328 | |
329 | print STDERR "dumping structs: " if $trace; |
330 | |
8e07c86e |
331 | local($iam); |
332 | |
333 | |
11aea360 |
334 | |
335 | foreach $name (sort keys %struct) { |
8e07c86e |
336 | ($iname = $name) =~ s/\..*//; |
337 | next if $opt_s && !$interested{$iname}; |
11aea360 |
338 | print STDERR "$name " if $trace; |
339 | |
340 | undef @sizeof; |
341 | undef @typedef; |
342 | undef @offsetof; |
343 | undef @indices; |
344 | undef @typeof; |
8e07c86e |
345 | undef @fieldnames; |
11aea360 |
346 | |
347 | $mname = &munge($name); |
348 | |
349 | $fname = &psou($name); |
350 | |
351 | print "# " if $perl && $verbose; |
352 | $pcode = ''; |
353 | print "$fname {\n" if !$perl || $verbose; |
354 | $template{$fname} = &scrunch($template{$fname}) if $perl; |
355 | &pstruct($name,$name,0); |
356 | print "# " if $perl && $verbose; |
357 | print "}\n" if !$perl || $verbose; |
358 | print "\n" if $perl && $verbose; |
359 | |
360 | if ($perl) { |
361 | print "$pcode"; |
362 | |
363 | printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name}); |
364 | |
365 | print <<EOF; |
366 | sub ${mname}'typedef { |
367 | local(\$${mname}'index) = shift; |
368 | defined \$${mname}'index |
369 | ? \$${mname}'typedef[\$${mname}'index] |
370 | : \$${mname}'typedef; |
371 | } |
372 | EOF |
373 | |
374 | print <<EOF; |
375 | sub ${mname}'sizeof { |
376 | local(\$${mname}'index) = shift; |
377 | defined \$${mname}'index |
378 | ? \$${mname}'sizeof[\$${mname}'index] |
379 | : \$${mname}'sizeof; |
380 | } |
381 | EOF |
382 | |
383 | print <<EOF; |
384 | sub ${mname}'offsetof { |
385 | local(\$${mname}'index) = shift; |
386 | defined \$${mname}index |
387 | ? \$${mname}'offsetof[\$${mname}'index] |
388 | : \$${mname}'sizeof; |
389 | } |
390 | EOF |
391 | |
392 | print <<EOF; |
393 | sub ${mname}'typeof { |
394 | local(\$${mname}'index) = shift; |
395 | defined \$${mname}index |
396 | ? \$${mname}'typeof[\$${mname}'index] |
397 | : '$name'; |
398 | } |
399 | EOF |
400 | |
8e07c86e |
401 | print <<EOF; |
402 | sub ${mname}'fieldnames { |
403 | \@${mname}'fieldnames; |
404 | } |
405 | EOF |
406 | |
407 | $iam = ($isastruct{$name} && 's') || ($isaunion{$name} && 'u'); |
408 | |
409 | print <<EOF; |
410 | sub ${mname}'isastruct { |
411 | '$iam'; |
412 | } |
413 | EOF |
11aea360 |
414 | |
415 | print "\$${mname}'typedef = '" . &scrunch($template{$fname}) |
416 | . "';\n"; |
417 | |
418 | print "\$${mname}'sizeof = $sizeof{$name};\n\n"; |
419 | |
420 | |
421 | print "\@${mname}'indices = (", &squishseq(@indices), ");\n"; |
422 | |
423 | print "\n"; |
424 | |
425 | print "\@${mname}'typedef[\@${mname}'indices] = (", |
426 | join("\n\t", '', @typedef), "\n );\n\n"; |
427 | print "\@${mname}'sizeof[\@${mname}'indices] = (", |
428 | join("\n\t", '', @sizeof), "\n );\n\n"; |
429 | print "\@${mname}'offsetof[\@${mname}'indices] = (", |
430 | join("\n\t", '', @offsetof), "\n );\n\n"; |
431 | print "\@${mname}'typeof[\@${mname}'indices] = (", |
432 | join("\n\t", '', @typeof), "\n );\n\n"; |
8e07c86e |
433 | print "\@${mname}'fieldnames[\@${mname}'indices] = (", |
434 | join("\n\t", '', @fieldnames), "\n );\n\n"; |
11aea360 |
435 | |
436 | $template_printed{$fname}++; |
437 | $size_printed{$fname}++; |
438 | } |
439 | print "\n"; |
440 | } |
441 | |
442 | print STDERR "\n" if $trace; |
443 | |
444 | unless ($perl && $opt_a) { |
8e07c86e |
445 | print "\n1;\n" if $perl; |
11aea360 |
446 | exit; |
447 | } |
448 | |
449 | |
450 | |
451 | foreach $name (sort bysizevalue keys %intrinsics) { |
452 | next if $size_printed{$name}; |
453 | print '$',&munge($name),"'sizeof = ", $sizeof{$name}, ";\n"; |
454 | } |
455 | |
456 | print "\n"; |
457 | |
458 | sub bysizevalue { $sizeof{$a} <=> $sizeof{$b}; } |
459 | |
460 | |
461 | foreach $name (sort keys %intrinsics) { |
462 | print '$',&munge($name),"'typedef = '", $template{$name}, "';\n"; |
463 | } |
464 | |
8e07c86e |
465 | print "\n1;\n" if $perl; |
11aea360 |
466 | |
467 | exit; |
468 | } |
469 | |
470 | ######################################################################################## |
471 | |
472 | |
473 | sub stab { |
8e07c86e |
474 | next unless $continued || /:[\$\w]+(\(\d+,\d+\))?=[\*\$\w]+/; # (\d+,\d+) is for sun |
11aea360 |
475 | s/"// || next; |
476 | s/",([x\d]+),([x\d]+),([x\d]+),.*// || next; |
477 | |
478 | next if /^\s*$/; |
479 | |
480 | $size = $3 if $3; |
8e07c86e |
481 | $_ = $continued . $_ if length($continued); |
482 | if (s/\\\\$//) { |
483 | # if last 2 chars of string are '\\' then stab is continued |
484 | # in next stab entry |
485 | chop; |
486 | $continued = $_; |
487 | next; |
488 | } |
489 | $continued = ''; |
11aea360 |
490 | |
491 | |
492 | $line = $_; |
493 | |
494 | if (($name, $pdecl) = /^([\$ \w]+):[tT]((\d+)(=[rufs*](\d+))+)$/) { |
495 | print "$name is a typedef for some funky pointers: $pdecl\n" if $debug; |
496 | &pdecl($pdecl); |
497 | next; |
498 | } |
499 | |
500 | |
501 | |
502 | if (/(([ \w]+):t(\d+|\(\d+,\d+\)))=r?(\d+|\(\d+,\d+\))(;\d+;\d+;)?/) { |
503 | local($ident) = $2; |
504 | push(@intrinsics, $ident); |
505 | $typeno = &typeno($3); |
506 | $type[$typeno] = $ident; |
507 | print STDERR "intrinsic $ident in new type $typeno\n" if $debug; |
508 | next; |
509 | } |
510 | |
511 | if (($name, $typeordef, $typeno, $extra, $struct, $_) |
512 | = /^([\$ \w]+):([ustT])(\d+|\(\d+,\d+\))(=[rufs*](\d+))?(.*)$/) |
513 | { |
514 | $typeno = &typeno($typeno); # sun foolery |
515 | } |
516 | elsif (/^[\$\w]+:/) { |
517 | next; # variable |
518 | } |
519 | else { |
520 | warn "can't grok stab: <$_> in: $line " if $_; |
521 | next; |
522 | } |
523 | |
524 | #warn "got size $size for $name\n"; |
525 | $sizeof{$name} = $size if $size; |
526 | |
527 | s/;[-\d]*;[-\d]*;$//; # we don't care about ranges |
528 | |
529 | $typenos{$name} = $typeno; |
530 | |
531 | unless (defined $type[$typeno]) { |
532 | &panic("type 0??") unless $typeno; |
533 | $type[$typeno] = $name unless defined $type[$typeno]; |
534 | printf "new type $typeno is $name" if $debug; |
535 | if ($extra =~ /\*/ && defined $type[$struct]) { |
536 | print ", a typedef for a pointer to " , $type[$struct] if $debug; |
537 | } |
538 | } else { |
539 | printf "%s is type %d", $name, $typeno if $debug; |
540 | print ", a typedef for " , $type[$typeno] if $debug; |
541 | } |
542 | print "\n" if $debug; |
543 | #next unless $extra =~ /[su*]/; |
544 | |
545 | #$type[$struct] = $name; |
546 | |
547 | if ($extra =~ /[us*]/) { |
548 | &sou($name, $extra); |
549 | $_ = &sdecl($name, $_, 0); |
550 | } |
551 | elsif (/^=ar/) { |
552 | print "it's a bare array typedef -- that's pretty sick\n" if $debug; |
553 | $_ = "$typeno$_"; |
554 | $scripts = ''; |
555 | $_ = &adecl($_,1); |
556 | |
557 | } |
558 | elsif (s/((\w+):t(\d+|\(\d+,\d+\)))?=r?(;\d+;\d+;)?//) { # the ?'s are for gcc |
559 | push(@intrinsics, $2); |
560 | $typeno = &typeno($3); |
561 | $type[$typeno] = $2; |
562 | print STDERR "intrinsic $2 in new type $typeno\n" if $debug; |
563 | } |
8e07c86e |
564 | elsif (s/^=e//) { # blessed be thy compiler; mine won't do this |
11aea360 |
565 | &edecl; |
566 | } |
567 | else { |
568 | warn "Funny remainder for $name on line $_ left in $line " if $_; |
569 | } |
570 | } |
571 | |
572 | sub typeno { # sun thinks types are (0,27) instead of just 27 |
573 | local($_) = @_; |
574 | s/\(\d+,(\d+)\)/$1/; |
575 | $_; |
576 | } |
577 | |
578 | sub pstruct { |
579 | local($what,$prefix,$base) = @_; |
580 | local($field, $fieldname, $typeno, $count, $offset, $entry); |
581 | local($fieldtype); |
582 | local($type, $tname); |
583 | local($mytype, $mycount, $entry2); |
584 | local($struct_count) = 0; |
585 | local($pad, $revpad, $length, $prepad, $lastoffset, $lastlength, $fmt); |
586 | local($bits,$bytes); |
587 | local($template); |
588 | |
589 | |
590 | local($mname) = &munge($name); |
591 | |
592 | sub munge { |
593 | local($_) = @_; |
594 | s/[\s\$\.]/_/g; |
595 | $_; |
596 | } |
597 | |
598 | local($sname) = &psou($what); |
599 | |
600 | $nesting++; |
601 | |
602 | for $field (split(/;/, $struct{$what})) { |
603 | $pad = $prepad = 0; |
604 | $entry = ''; |
605 | ($fieldname, $typeno, $count, $offset, $length) = split(/,/, $field); |
606 | |
607 | $type = $type[$typeno]; |
608 | |
609 | $type =~ /([^[]*)(\[.*\])?/; |
610 | $mytype = $1; |
611 | $count .= $2; |
612 | $fieldtype = &psou($mytype); |
613 | |
614 | local($fname) = &psou($name); |
615 | |
616 | if ($build_templates) { |
617 | |
618 | $pad = ($offset - ($lastoffset + $lastlength))/8 |
619 | if defined $lastoffset; |
620 | |
621 | if (! $finished_template{$sname}) { |
622 | if ($isaunion{$what}) { |
623 | $template{$sname} .= 'X' x $revpad . ' ' if $revpad; |
624 | } else { |
625 | $template{$sname} .= 'x' x $pad . ' ' if $pad; |
626 | } |
627 | } |
628 | |
8e07c86e |
629 | $template = &fetch_template($type); |
630 | &repeat_template($template,$count); |
11aea360 |
631 | |
632 | if (! $finished_template{$sname}) { |
633 | $template{$sname} .= $template; |
634 | } |
635 | |
636 | $revpad = $length/8 if $isaunion{$what}; |
637 | |
638 | ($lastoffset, $lastlength) = ($offset, $length); |
639 | |
640 | } else { |
641 | print '# ' if $perl && $verbose; |
642 | $entry = sprintf($pmask1, |
643 | ' ' x ($nesting * $indent) . $fieldtype, |
644 | "$prefix.$fieldname" . $count); |
645 | |
646 | $entry =~ s/(\*+)( )/$2$1/; |
647 | |
648 | printf $pmask2, |
649 | $entry, |
650 | ($base+$offset)/8, |
651 | ($bits = ($base+$offset)%8) ? ".$bits" : " ", |
652 | $length/8, |
653 | ($bits = $length % 8) ? ".$bits": "" |
654 | if !$perl || $verbose; |
655 | |
8e07c86e |
656 | if ($perl) { |
657 | $template = &fetch_template($type); |
658 | &repeat_template($template,$count); |
659 | } |
11aea360 |
660 | |
661 | if ($perl && $nesting == 1) { |
8e07c86e |
662 | |
11aea360 |
663 | push(@sizeof, int($length/8) .",\t# $fieldname"); |
664 | push(@offsetof, int($offset/8) .",\t# $fieldname"); |
8e07c86e |
665 | local($little) = &scrunch($template); |
666 | push(@typedef, "'$little', \t# $fieldname"); |
11aea360 |
667 | $type =~ s/(struct|union) //; |
8e07c86e |
668 | push(@typeof, "'$mytype" . ($count ? $count : '') . |
11aea360 |
669 | "',\t# $fieldname"); |
8e07c86e |
670 | push(@fieldnames, "'$fieldname',"); |
11aea360 |
671 | } |
672 | |
673 | print ' ', ' ' x $indent x $nesting, $template |
674 | if $perl && $verbose; |
675 | |
676 | print "\n" if !$perl || $verbose; |
677 | |
678 | } |
679 | if ($perl) { |
680 | local($mycount) = defined $struct{$mytype} ? $countof{$mytype} : 1; |
681 | $mycount *= &scripts2count($count) if $count; |
682 | if ($nesting==1 && !$build_templates) { |
683 | $pcode .= sprintf("sub %-32s { %4d; }\n", |
684 | "${mname}'${fieldname}", $struct_count); |
685 | push(@indices, $struct_count); |
686 | } |
687 | $struct_count += $mycount; |
688 | } |
689 | |
690 | |
691 | &pstruct($type, "$prefix.$fieldname", $base+$offset) |
692 | if $recurse && defined $struct{$type}; |
693 | } |
694 | |
695 | $countof{$what} = $struct_count unless defined $countof{$whati}; |
696 | |
697 | $template{$sname} .= '$' if $build_templates; |
698 | $finished_template{$sname}++; |
699 | |
700 | if ($build_templates && !defined $sizeof{$name}) { |
701 | local($fmt) = &scrunch($template{$sname}); |
702 | print STDERR "no size for $name, punting with $fmt..." if $debug; |
703 | eval '$sizeof{$name} = length(pack($fmt, ()))'; |
704 | if ($@) { |
705 | chop $@; |
706 | warn "couldn't get size for \$name: $@"; |
707 | } else { |
708 | print STDERR $sizeof{$name}, "\n" if $debUg; |
709 | } |
710 | } |
711 | |
712 | --$nesting; |
713 | } |
714 | |
715 | |
716 | sub psize { |
717 | local($me) = @_; |
718 | local($amstruct) = $struct{$me} ? 'struct ' : ''; |
719 | |
720 | print '$sizeof{\'', $amstruct, $me, '\'} = '; |
721 | printf "%d;\n", $sizeof{$me}; |
722 | } |
723 | |
724 | sub pdecl { |
725 | local($pdecl) = @_; |
726 | local(@pdecls); |
727 | local($tname); |
728 | |
729 | warn "pdecl: $pdecl\n" if $debug; |
730 | |
731 | $pdecl =~ s/\(\d+,(\d+)\)/$1/g; |
732 | $pdecl =~ s/\*//g; |
733 | @pdecls = split(/=/, $pdecl); |
734 | $typeno = $pdecls[0]; |
735 | $tname = pop @pdecls; |
736 | |
737 | if ($tname =~ s/^f//) { $tname = "$tname&"; } |
738 | #else { $tname = "$tname*"; } |
739 | |
740 | for (reverse @pdecls) { |
741 | $tname .= s/^f// ? "&" : "*"; |
742 | #$tname =~ s/^f(.*)/$1&/; |
743 | print "type[$_] is $tname\n" if $debug; |
744 | $type[$_] = $tname unless defined $type[$_]; |
745 | } |
746 | } |
747 | |
748 | |
749 | |
750 | sub adecl { |
751 | ($arraytype, $unknown, $lower, $upper) = (); |
752 | #local($typeno); |
753 | # global $typeno, @type |
754 | local($_, $typedef) = @_; |
755 | |
8e07c86e |
756 | while (s/^((\d+|\(\d+,\d+\))=)?ar(\d+|\(\d+,\d+\));//) { |
11aea360 |
757 | ($arraytype, $unknown) = ($2, $3); |
8e07c86e |
758 | $arraytype = &typeno($arraytype); |
759 | $unknown = &typeno($unknown); |
11aea360 |
760 | if (s/^(\d+);(\d+);//) { |
761 | ($lower, $upper) = ($1, $2); |
762 | $scripts .= '[' . ($upper+1) . ']'; |
763 | } else { |
764 | warn "can't find array bounds: $_"; |
765 | } |
766 | } |
8e07c86e |
767 | if (s/^([(,)\d*f=]*),(\d+),(\d+);//) { |
11aea360 |
768 | ($start, $length) = ($2, $3); |
8e07c86e |
769 | $whatis = $1; |
770 | if ($whatis =~ /^(\d+|\(\d+,\d+\))=/) { |
771 | $typeno = &typeno($1); |
11aea360 |
772 | &pdecl($whatis); |
773 | } else { |
8e07c86e |
774 | $typeno = &typeno($whatis); |
11aea360 |
775 | } |
776 | } elsif (s/^(\d+)(=[*suf]\d*)//) { |
777 | local($whatis) = $2; |
778 | |
779 | if ($whatis =~ /[f*]/) { |
780 | &pdecl($whatis); |
781 | } elsif ($whatis =~ /[su]/) { # |
782 | print "$prefix.$fieldname is an array$scripts anon structs; disgusting\n" |
783 | if $debug; |
784 | #$type[$typeno] = $name unless defined $type[$typeno]; |
785 | ##printf "new type $typeno is $name" if $debug; |
786 | $typeno = $1; |
787 | $type[$typeno] = "$prefix.$fieldname"; |
788 | local($name) = $type[$typeno]; |
789 | &sou($name, $whatis); |
790 | $_ = &sdecl($name, $_, $start+$offset); |
791 | 1; |
792 | $start = $start{$name}; |
793 | $offset = $sizeof{$name}; |
794 | $length = $offset; |
795 | } else { |
796 | warn "what's this? $whatis in $line "; |
797 | } |
798 | } elsif (/^\d+$/) { |
799 | $typeno = $_; |
800 | } else { |
801 | warn "bad array stab: $_ in $line "; |
802 | next STAB; |
803 | } |
804 | #local($wasdef) = defined($type[$typeno]) && $debug; |
805 | #if ($typedef) { |
806 | #print "redefining $type[$typeno] to " if $wasdef; |
807 | #$type[$typeno] = "$whatis$scripts"; # unless defined $type[$typeno]; |
808 | #print "$type[$typeno]\n" if $wasdef; |
809 | #} else { |
810 | #$type[$arraytype] = $type[$typeno] unless defined $type[$arraytype]; |
811 | #} |
812 | $type[$arraytype] = "$type[$typeno]$scripts" if defined $type[$typeno]; |
813 | print "type[$arraytype] is $type[$arraytype]\n" if $debug; |
814 | print "$prefix.$fieldname is an array of $type[$arraytype]\n" if $debug; |
815 | $_; |
816 | } |
817 | |
818 | |
819 | |
820 | sub sdecl { |
821 | local($prefix, $_, $offset) = @_; |
822 | |
823 | local($fieldname, $scripts, $type, $arraytype, $unknown, |
824 | $whatis, $pdecl, $upper,$lower, $start,$length) = (); |
825 | local($typeno,$sou); |
826 | |
827 | |
828 | SFIELD: |
829 | while (/^([^;]+);/) { |
830 | $scripts = ''; |
831 | warn "sdecl $_\n" if $debug; |
832 | if (s/^([\$\w]+)://) { |
833 | $fieldname = $1; |
834 | } elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # |
835 | $typeno = &typeno($1); |
836 | $type[$typeno] = "$prefix.$fieldname"; |
837 | local($name) = "$prefix.$fieldname"; |
838 | &sou($name,$2); |
839 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
840 | $start = $start{$name}; |
841 | $offset += $sizeof{$name}; |
842 | #print "done with anon, start is $start, offset is $offset\n"; |
843 | #next SFIELD; |
844 | } else { |
845 | warn "weird field $_ of $line" if $debug; |
846 | next STAB; |
847 | #$fieldname = &gensym; |
848 | #$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
849 | } |
850 | |
8e07c86e |
851 | if (/^(\d+|\(\d+,\d+\))=ar/) { |
11aea360 |
852 | $_ = &adecl($_); |
853 | } |
854 | elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) { |
8e07c86e |
855 | ($start, $length) = ($2, $3); |
856 | &panic("no length?") unless $length; |
857 | $typeno = &typeno($1) if $1; |
858 | } |
859 | elsif (s/^(\d+)=xs\w+:,(\d+),(\d+);//) { |
11aea360 |
860 | ($start, $length) = ($2, $3); |
861 | &panic("no length?") unless $length; |
862 | $typeno = &typeno($1) if $1; |
863 | } |
864 | elsif (s/^((\d+|\(\d+,\d+\))(=[*f](\d+|\(\d+,\d+\)))+),(\d+),(\d+);//) { |
865 | ($pdecl, $start, $length) = ($1,$5,$6); |
866 | &pdecl($pdecl); |
867 | } |
868 | elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # the dratted anon struct |
869 | ($typeno, $sou) = ($1, $2); |
870 | $typeno = &typeno($typeno); |
871 | if (defined($type[$typeno])) { |
872 | warn "now how did we get type $1 in $fieldname of $line?"; |
873 | } else { |
874 | print "anon type $typeno is $prefix.$fieldname\n" if $debug; |
875 | $type[$typeno] = "$prefix.$fieldname" unless defined $type[$typeno]; |
876 | }; |
877 | local($name) = "$prefix.$fieldname"; |
878 | &sou($name,$sou); |
879 | print "anon ".($isastruct{$name}) ? "struct":"union"." for $prefix.$fieldname\n" if $debug; |
880 | $type[$typeno] = "$prefix.$fieldname"; |
881 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
882 | $start = $start{$name}; |
883 | $length = $sizeof{$name}; |
884 | } |
885 | else { |
886 | warn "can't grok stab for $name ($_) in line $line "; |
887 | next STAB; |
888 | } |
889 | |
890 | &panic("no length for $prefix.$fieldname") unless $length; |
891 | $struct{$name} .= join(',', $fieldname, $typeno, $scripts, $start, $length) . ';'; |
892 | } |
893 | if (s/;\d*,(\d+),(\d+);//) { |
894 | local($start, $size) = ($1, $2); |
895 | $sizeof{$prefix} = $size; |
896 | print "start of $prefix is $start, size of $sizeof{$prefix}\n" if $debug; |
897 | $start{$prefix} = $start; |
898 | } |
899 | $_; |
900 | } |
901 | |
902 | sub edecl { |
903 | s/;$//; |
904 | $enum{$name} = $_; |
905 | $_ = ''; |
906 | } |
907 | |
908 | sub resolve_types { |
909 | local($sou); |
910 | for $i (0 .. $#type) { |
911 | next unless defined $type[$i]; |
912 | $_ = $type[$i]; |
913 | unless (/\d/) { |
914 | print "type[$i] $type[$i]\n" if $debug; |
915 | next; |
916 | } |
917 | print "type[$i] $_ ==> " if $debug; |
918 | s/^(\d+)(\**)\&\*(\**)/"$2($3".&type($1) . ')()'/e; |
919 | s/^(\d+)\&/&type($1)/e; |
920 | s/^(\d+)/&type($1)/e; |
921 | s/(\*+)([^*]+)(\*+)/$1$3$2/; |
922 | s/\((\*+)(\w+)(\*+)\)/$3($1$2)/; |
923 | s/^(\d+)([\*\[].*)/&type($1).$2/e; |
924 | #s/(\d+)(\*|(\[[\[\]\d\*]+]\])+)/&type($1).$2/ge; |
925 | $type[$i] = $_; |
926 | print "$_\n" if $debug; |
927 | } |
928 | } |
929 | sub type { &psou($type[$_[0]] || "<UNDEFINED>"); } |
930 | |
931 | sub adjust_start_addrs { |
932 | for (sort keys %start) { |
933 | ($basename = $_) =~ s/\.[^.]+$//; |
934 | $start{$_} += $start{$basename}; |
935 | print "start: $_ @ $start{$_}\n" if $debug; |
936 | } |
937 | } |
938 | |
939 | sub sou { |
940 | local($what, $_) = @_; |
941 | /u/ && $isaunion{$what}++; |
942 | /s/ && $isastruct{$what}++; |
943 | } |
944 | |
945 | sub psou { |
946 | local($what) = @_; |
947 | local($prefix) = ''; |
948 | if ($isaunion{$what}) { |
949 | $prefix = 'union '; |
950 | } elsif ($isastruct{$what}) { |
951 | $prefix = 'struct '; |
952 | } |
953 | $prefix . $what; |
954 | } |
955 | |
956 | sub scrunch { |
957 | local($_) = @_; |
958 | |
8e07c86e |
959 | return '' if $_ eq ''; |
960 | |
11aea360 |
961 | study; |
962 | |
963 | s/\$//g; |
964 | s/ / /g; |
965 | 1 while s/(\w) \1/$1$1/g; |
966 | |
967 | # i wanna say this, but perl resists my efforts: |
968 | # s/(\w)(\1+)/$2 . length($1)/ge; |
969 | |
970 | &quick_scrunch; |
971 | |
972 | s/ $//; |
973 | |
974 | $_; |
975 | } |
976 | |
977 | sub buildscrunchlist { |
978 | $scrunch_code = "sub quick_scrunch {\n"; |
979 | for (values %intrinsics) { |
8e07c86e |
980 | $scrunch_code .= "\ts/($_\{2,})/'$_' . length(\$1)/ge;\n"; |
11aea360 |
981 | } |
982 | $scrunch_code .= "}\n"; |
983 | print "$scrunch_code" if $debug; |
984 | eval $scrunch_code; |
985 | &panic("can't eval scrunch_code $@ \nscrunch_code") if $@; |
986 | } |
987 | |
988 | sub fetch_template { |
989 | local($mytype) = @_; |
990 | local($fmt); |
991 | local($count) = 1; |
992 | |
993 | &panic("why do you care?") unless $perl; |
994 | |
995 | if ($mytype =~ s/(\[\d+\])+$//) { |
996 | $count .= $1; |
997 | } |
998 | |
999 | if ($mytype =~ /\*/) { |
1000 | $fmt = $template{'pointer'}; |
1001 | } |
1002 | elsif (defined $template{$mytype}) { |
1003 | $fmt = $template{$mytype}; |
1004 | } |
1005 | elsif (defined $struct{$mytype}) { |
1006 | if (!defined $template{&psou($mytype)}) { |
1007 | &build_template($mytype) unless $mytype eq $name; |
1008 | } |
1009 | elsif ($template{&psou($mytype)} !~ /\$$/) { |
1010 | #warn "incomplete template for $mytype\n"; |
1011 | } |
1012 | $fmt = $template{&psou($mytype)} || '?'; |
1013 | } |
1014 | else { |
1015 | warn "unknown fmt for $mytype\n"; |
1016 | $fmt = '?'; |
1017 | } |
1018 | |
1019 | $fmt x $count . ' '; |
1020 | } |
1021 | |
1022 | sub compute_intrinsics { |
1023 | local($TMP) = "/tmp/c2ph-i.$$.c"; |
1024 | open (TMP, ">$TMP") || die "can't open $TMP: $!"; |
1025 | select(TMP); |
1026 | |
1027 | print STDERR "computing intrinsic sizes: " if $trace; |
1028 | |
1029 | undef %intrinsics; |
1030 | |
1031 | print <<'EOF'; |
1032 | main() { |
1033 | char *mask = "%d %s\n"; |
1034 | EOF |
1035 | |
1036 | for $type (@intrinsics) { |
8e07c86e |
1037 | next if !type || $type eq 'void' || $type =~ /complex/; # sun stuff |
11aea360 |
1038 | print <<"EOF"; |
1039 | printf(mask,sizeof($type), "$type"); |
1040 | EOF |
1041 | } |
1042 | |
1043 | print <<'EOF'; |
1044 | printf(mask,sizeof(char *), "pointer"); |
1045 | exit(0); |
1046 | } |
1047 | EOF |
1048 | close TMP; |
1049 | |
1050 | select(STDOUT); |
1051 | open(PIPE, "cd /tmp && $CC $TMP && /tmp/a.out|"); |
1052 | while (<PIPE>) { |
1053 | chop; |
1054 | split(' ',$_,2);; |
1055 | print "intrinsic $_[1] is size $_[0]\n" if $debug; |
1056 | $sizeof{$_[1]} = $_[0]; |
1057 | $intrinsics{$_[1]} = $template{$_[0]}; |
1058 | } |
1059 | close(PIPE) || die "couldn't read intrinsics!"; |
1060 | unlink($TMP, '/tmp/a.out'); |
1061 | print STDERR "done\n" if $trace; |
1062 | } |
1063 | |
1064 | sub scripts2count { |
1065 | local($_) = @_; |
1066 | |
1067 | s/^\[//; |
1068 | s/\]$//; |
1069 | s/\]\[/*/g; |
1070 | $_ = eval; |
1071 | &panic("$_: $@") if $@; |
1072 | $_; |
1073 | } |
1074 | |
1075 | sub system { |
1076 | print STDERR "@_\n" if $trace; |
1077 | system @_; |
1078 | } |
1079 | |
1080 | sub build_template { |
1081 | local($name) = @_; |
1082 | |
1083 | &panic("already got a template for $name") if defined $template{$name}; |
1084 | |
1085 | local($build_templates) = 1; |
1086 | |
1087 | local($lparen) = '(' x $build_recursed; |
1088 | local($rparen) = ')' x $build_recursed; |
1089 | |
1090 | print STDERR "$lparen$name$rparen " if $trace; |
1091 | $build_recursed++; |
1092 | &pstruct($name,$name,0); |
1093 | print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug; |
1094 | --$build_recursed; |
1095 | } |
1096 | |
1097 | |
1098 | sub panic { |
1099 | |
1100 | select(STDERR); |
1101 | |
1102 | print "\npanic: @_\n"; |
1103 | |
1104 | exit 1 if $] <= 4.003; # caller broken |
1105 | |
1106 | local($i,$_); |
1107 | local($p,$f,$l,$s,$h,$a,@a,@sub); |
1108 | for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) { |
1109 | @a = @DB'args; |
1110 | for (@a) { |
1111 | if (/^StB\000/ && length($_) == length($_main{'_main'})) { |
1112 | $_ = sprintf("%s",$_); |
1113 | } |
1114 | else { |
1115 | s/'/\\'/g; |
1116 | s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/; |
1117 | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg; |
1118 | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg; |
1119 | } |
1120 | } |
1121 | $w = $w ? '@ = ' : '$ = '; |
1122 | $a = $h ? '(' . join(', ', @a) . ')' : ''; |
1123 | push(@sub, "$w&$s$a from file $f line $l\n"); |
1124 | last if $signal; |
1125 | } |
1126 | for ($i=0; $i <= $#sub; $i++) { |
1127 | last if $signal; |
1128 | print $sub[$i]; |
1129 | } |
1130 | exit 1; |
1131 | } |
1132 | |
1133 | sub squishseq { |
1134 | local($num); |
1135 | local($last) = -1e8; |
1136 | local($string); |
1137 | local($seq) = '..'; |
1138 | |
1139 | while (defined($num = shift)) { |
1140 | if ($num == ($last + 1)) { |
1141 | $string .= $seq unless $inseq++; |
1142 | $last = $num; |
1143 | next; |
1144 | } elsif ($inseq) { |
1145 | $string .= $last unless $last == -1e8; |
1146 | } |
1147 | |
1148 | $string .= ',' if defined $string; |
1149 | $string .= $num; |
1150 | $last = $num; |
1151 | $inseq = 0; |
1152 | } |
1153 | $string .= $last if $inseq && $last != -e18; |
1154 | $string; |
1155 | } |
8e07c86e |
1156 | |
1157 | sub repeat_template { |
1158 | # local($template, $scripts) = @_; have to change caller's values |
1159 | |
1160 | if ( $_[1] ) { |
1161 | local($ncount) = &scripts2count($_[1]); |
1162 | if ($_[0] =~ /^\s*c\s*$/i) { |
1163 | $_[0] = "A$ncount "; |
1164 | $_[1] = ''; |
1165 | } else { |
1166 | $_[0] = $template x $ncount; |
1167 | } |
1168 | } |
1169 | } |