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 | $spitshell >c2ph <<!GROK!THIS! |
24 | #!$bin/perl |
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 | |
a0d0e21e |
40 | $RCSID = 'c2ph.SH'; |
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 = $_; |
285 | s/^\s*\.stabs\s+//; |
286 | &stab; |
287 | } |
288 | print STDERR "$.\n" if $trace; |
289 | unlink $TMP if $TMP; |
290 | |
291 | &compute_intrinsics if $perl && !$opt_i; |
292 | |
293 | print STDERR "resolving types\n" if $trace; |
294 | |
295 | &resolve_types; |
296 | &adjust_start_addrs; |
297 | |
298 | $sum = 2 + $type_width + $member_width; |
299 | $pmask1 = "%-${type_width}s %-${member_width}s"; |
300 | $pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s"; |
301 | |
302 | if ($perl) { |
303 | # resolve template -- should be in stab define order, but even this isn't enough. |
304 | print STDERR "\nbuilding type templates: " if $trace; |
305 | for $i (reverse 0..$#type) { |
306 | next unless defined($name = $type[$i]); |
307 | next unless defined $struct{$name}; |
308 | $build_recursed = 0; |
309 | &build_template($name) unless defined $template{&psou($name)} || |
310 | $opt_s && !$interested{$name}; |
311 | } |
312 | print STDERR "\n\n" if $trace; |
313 | } |
314 | |
315 | print STDERR "dumping structs: " if $trace; |
316 | |
317 | |
318 | foreach $name (sort keys %struct) { |
319 | next if $opt_s && !$interested{$name}; |
320 | print STDERR "$name " if $trace; |
321 | |
322 | undef @sizeof; |
323 | undef @typedef; |
324 | undef @offsetof; |
325 | undef @indices; |
326 | undef @typeof; |
327 | |
328 | $mname = &munge($name); |
329 | |
330 | $fname = &psou($name); |
331 | |
332 | print "# " if $perl && $verbose; |
333 | $pcode = ''; |
334 | print "$fname {\n" if !$perl || $verbose; |
335 | $template{$fname} = &scrunch($template{$fname}) if $perl; |
336 | &pstruct($name,$name,0); |
337 | print "# " if $perl && $verbose; |
338 | print "}\n" if !$perl || $verbose; |
339 | print "\n" if $perl && $verbose; |
340 | |
341 | if ($perl) { |
342 | print "$pcode"; |
343 | |
344 | printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name}); |
345 | |
346 | print <<EOF; |
347 | sub ${mname}'typedef { |
348 | local(\$${mname}'index) = shift; |
349 | defined \$${mname}'index |
350 | ? \$${mname}'typedef[\$${mname}'index] |
351 | : \$${mname}'typedef; |
352 | } |
353 | EOF |
354 | |
355 | print <<EOF; |
356 | sub ${mname}'sizeof { |
357 | local(\$${mname}'index) = shift; |
358 | defined \$${mname}'index |
359 | ? \$${mname}'sizeof[\$${mname}'index] |
360 | : \$${mname}'sizeof; |
361 | } |
362 | EOF |
363 | |
364 | print <<EOF; |
365 | sub ${mname}'offsetof { |
366 | local(\$${mname}'index) = shift; |
367 | defined \$${mname}index |
368 | ? \$${mname}'offsetof[\$${mname}'index] |
369 | : \$${mname}'sizeof; |
370 | } |
371 | EOF |
372 | |
373 | print <<EOF; |
374 | sub ${mname}'typeof { |
375 | local(\$${mname}'index) = shift; |
376 | defined \$${mname}index |
377 | ? \$${mname}'typeof[\$${mname}'index] |
378 | : '$name'; |
379 | } |
380 | EOF |
381 | |
382 | |
383 | print "\$${mname}'typedef = '" . &scrunch($template{$fname}) |
384 | . "';\n"; |
385 | |
386 | print "\$${mname}'sizeof = $sizeof{$name};\n\n"; |
387 | |
388 | |
389 | print "\@${mname}'indices = (", &squishseq(@indices), ");\n"; |
390 | |
391 | print "\n"; |
392 | |
393 | print "\@${mname}'typedef[\@${mname}'indices] = (", |
394 | join("\n\t", '', @typedef), "\n );\n\n"; |
395 | print "\@${mname}'sizeof[\@${mname}'indices] = (", |
396 | join("\n\t", '', @sizeof), "\n );\n\n"; |
397 | print "\@${mname}'offsetof[\@${mname}'indices] = (", |
398 | join("\n\t", '', @offsetof), "\n );\n\n"; |
399 | print "\@${mname}'typeof[\@${mname}'indices] = (", |
400 | join("\n\t", '', @typeof), "\n );\n\n"; |
401 | |
402 | $template_printed{$fname}++; |
403 | $size_printed{$fname}++; |
404 | } |
405 | print "\n"; |
406 | } |
407 | |
408 | print STDERR "\n" if $trace; |
409 | |
410 | unless ($perl && $opt_a) { |
411 | print "\n1;\n"; |
412 | exit; |
413 | } |
414 | |
415 | |
416 | |
417 | foreach $name (sort bysizevalue keys %intrinsics) { |
418 | next if $size_printed{$name}; |
419 | print '$',&munge($name),"'sizeof = ", $sizeof{$name}, ";\n"; |
420 | } |
421 | |
422 | print "\n"; |
423 | |
424 | sub bysizevalue { $sizeof{$a} <=> $sizeof{$b}; } |
425 | |
426 | |
427 | foreach $name (sort keys %intrinsics) { |
428 | print '$',&munge($name),"'typedef = '", $template{$name}, "';\n"; |
429 | } |
430 | |
431 | print "\n1;\n"; |
432 | |
433 | exit; |
434 | } |
435 | |
436 | ######################################################################################## |
437 | |
438 | |
439 | sub stab { |
440 | next unless /:[\$\w]+(\(\d+,\d+\))?=[\*\$\w]+/; # (\d+,\d+) is for sun |
441 | s/"// || next; |
442 | s/",([x\d]+),([x\d]+),([x\d]+),.*// || next; |
443 | |
444 | next if /^\s*$/; |
445 | |
446 | $size = $3 if $3; |
447 | |
448 | |
449 | $line = $_; |
450 | |
451 | if (($name, $pdecl) = /^([\$ \w]+):[tT]((\d+)(=[rufs*](\d+))+)$/) { |
452 | print "$name is a typedef for some funky pointers: $pdecl\n" if $debug; |
453 | &pdecl($pdecl); |
454 | next; |
455 | } |
456 | |
457 | |
458 | |
459 | if (/(([ \w]+):t(\d+|\(\d+,\d+\)))=r?(\d+|\(\d+,\d+\))(;\d+;\d+;)?/) { |
460 | local($ident) = $2; |
461 | push(@intrinsics, $ident); |
462 | $typeno = &typeno($3); |
463 | $type[$typeno] = $ident; |
464 | print STDERR "intrinsic $ident in new type $typeno\n" if $debug; |
465 | next; |
466 | } |
467 | |
468 | if (($name, $typeordef, $typeno, $extra, $struct, $_) |
469 | = /^([\$ \w]+):([ustT])(\d+|\(\d+,\d+\))(=[rufs*](\d+))?(.*)$/) |
470 | { |
471 | $typeno = &typeno($typeno); # sun foolery |
472 | } |
473 | elsif (/^[\$\w]+:/) { |
474 | next; # variable |
475 | } |
476 | else { |
477 | warn "can't grok stab: <$_> in: $line " if $_; |
478 | next; |
479 | } |
480 | |
481 | #warn "got size $size for $name\n"; |
482 | $sizeof{$name} = $size if $size; |
483 | |
484 | s/;[-\d]*;[-\d]*;$//; # we don't care about ranges |
485 | |
486 | $typenos{$name} = $typeno; |
487 | |
488 | unless (defined $type[$typeno]) { |
489 | &panic("type 0??") unless $typeno; |
490 | $type[$typeno] = $name unless defined $type[$typeno]; |
491 | printf "new type $typeno is $name" if $debug; |
492 | if ($extra =~ /\*/ && defined $type[$struct]) { |
493 | print ", a typedef for a pointer to " , $type[$struct] if $debug; |
494 | } |
495 | } else { |
496 | printf "%s is type %d", $name, $typeno if $debug; |
497 | print ", a typedef for " , $type[$typeno] if $debug; |
498 | } |
499 | print "\n" if $debug; |
500 | #next unless $extra =~ /[su*]/; |
501 | |
502 | #$type[$struct] = $name; |
503 | |
504 | if ($extra =~ /[us*]/) { |
505 | &sou($name, $extra); |
506 | $_ = &sdecl($name, $_, 0); |
507 | } |
508 | elsif (/^=ar/) { |
509 | print "it's a bare array typedef -- that's pretty sick\n" if $debug; |
510 | $_ = "$typeno$_"; |
511 | $scripts = ''; |
512 | $_ = &adecl($_,1); |
513 | |
514 | } |
515 | elsif (s/((\w+):t(\d+|\(\d+,\d+\)))?=r?(;\d+;\d+;)?//) { # the ?'s are for gcc |
516 | push(@intrinsics, $2); |
517 | $typeno = &typeno($3); |
518 | $type[$typeno] = $2; |
519 | print STDERR "intrinsic $2 in new type $typeno\n" if $debug; |
520 | } |
521 | elsif (s/^=e//) { # blessed by thy compiler; mine won't do this |
522 | &edecl; |
523 | } |
524 | else { |
525 | warn "Funny remainder for $name on line $_ left in $line " if $_; |
526 | } |
527 | } |
528 | |
529 | sub typeno { # sun thinks types are (0,27) instead of just 27 |
530 | local($_) = @_; |
531 | s/\(\d+,(\d+)\)/$1/; |
532 | $_; |
533 | } |
534 | |
535 | sub pstruct { |
536 | local($what,$prefix,$base) = @_; |
537 | local($field, $fieldname, $typeno, $count, $offset, $entry); |
538 | local($fieldtype); |
539 | local($type, $tname); |
540 | local($mytype, $mycount, $entry2); |
541 | local($struct_count) = 0; |
542 | local($pad, $revpad, $length, $prepad, $lastoffset, $lastlength, $fmt); |
543 | local($bits,$bytes); |
544 | local($template); |
545 | |
546 | |
547 | local($mname) = &munge($name); |
548 | |
549 | sub munge { |
550 | local($_) = @_; |
551 | s/[\s\$\.]/_/g; |
552 | $_; |
553 | } |
554 | |
555 | local($sname) = &psou($what); |
556 | |
557 | $nesting++; |
558 | |
559 | for $field (split(/;/, $struct{$what})) { |
560 | $pad = $prepad = 0; |
561 | $entry = ''; |
562 | ($fieldname, $typeno, $count, $offset, $length) = split(/,/, $field); |
563 | |
564 | $type = $type[$typeno]; |
565 | |
566 | $type =~ /([^[]*)(\[.*\])?/; |
567 | $mytype = $1; |
568 | $count .= $2; |
569 | $fieldtype = &psou($mytype); |
570 | |
571 | local($fname) = &psou($name); |
572 | |
573 | if ($build_templates) { |
574 | |
575 | $pad = ($offset - ($lastoffset + $lastlength))/8 |
576 | if defined $lastoffset; |
577 | |
578 | if (! $finished_template{$sname}) { |
579 | if ($isaunion{$what}) { |
580 | $template{$sname} .= 'X' x $revpad . ' ' if $revpad; |
581 | } else { |
582 | $template{$sname} .= 'x' x $pad . ' ' if $pad; |
583 | } |
584 | } |
585 | |
586 | $template = &fetch_template($type) x |
587 | ($count ? &scripts2count($count) : 1); |
588 | |
589 | if (! $finished_template{$sname}) { |
590 | $template{$sname} .= $template; |
591 | } |
592 | |
593 | $revpad = $length/8 if $isaunion{$what}; |
594 | |
595 | ($lastoffset, $lastlength) = ($offset, $length); |
596 | |
597 | } else { |
598 | print '# ' if $perl && $verbose; |
599 | $entry = sprintf($pmask1, |
600 | ' ' x ($nesting * $indent) . $fieldtype, |
601 | "$prefix.$fieldname" . $count); |
602 | |
603 | $entry =~ s/(\*+)( )/$2$1/; |
604 | |
605 | printf $pmask2, |
606 | $entry, |
607 | ($base+$offset)/8, |
608 | ($bits = ($base+$offset)%8) ? ".$bits" : " ", |
609 | $length/8, |
610 | ($bits = $length % 8) ? ".$bits": "" |
611 | if !$perl || $verbose; |
612 | |
613 | |
614 | if ($perl && $nesting == 1) { |
615 | $template = &scrunch(&fetch_template($type) x |
616 | ($count ? &scripts2count($count) : 1)); |
617 | push(@sizeof, int($length/8) .",\t# $fieldname"); |
618 | push(@offsetof, int($offset/8) .",\t# $fieldname"); |
619 | push(@typedef, "'$template', \t# $fieldname"); |
620 | $type =~ s/(struct|union) //; |
621 | push(@typeof, "'$type" . ($count ? $count : '') . |
622 | "',\t# $fieldname"); |
623 | } |
624 | |
625 | print ' ', ' ' x $indent x $nesting, $template |
626 | if $perl && $verbose; |
627 | |
628 | print "\n" if !$perl || $verbose; |
629 | |
630 | } |
631 | if ($perl) { |
632 | local($mycount) = defined $struct{$mytype} ? $countof{$mytype} : 1; |
633 | $mycount *= &scripts2count($count) if $count; |
634 | if ($nesting==1 && !$build_templates) { |
635 | $pcode .= sprintf("sub %-32s { %4d; }\n", |
636 | "${mname}'${fieldname}", $struct_count); |
637 | push(@indices, $struct_count); |
638 | } |
639 | $struct_count += $mycount; |
640 | } |
641 | |
642 | |
643 | &pstruct($type, "$prefix.$fieldname", $base+$offset) |
644 | if $recurse && defined $struct{$type}; |
645 | } |
646 | |
647 | $countof{$what} = $struct_count unless defined $countof{$whati}; |
648 | |
649 | $template{$sname} .= '$' if $build_templates; |
650 | $finished_template{$sname}++; |
651 | |
652 | if ($build_templates && !defined $sizeof{$name}) { |
653 | local($fmt) = &scrunch($template{$sname}); |
654 | print STDERR "no size for $name, punting with $fmt..." if $debug; |
655 | eval '$sizeof{$name} = length(pack($fmt, ()))'; |
656 | if ($@) { |
657 | chop $@; |
658 | warn "couldn't get size for \$name: $@"; |
659 | } else { |
660 | print STDERR $sizeof{$name}, "\n" if $debUg; |
661 | } |
662 | } |
663 | |
664 | --$nesting; |
665 | } |
666 | |
667 | |
668 | sub psize { |
669 | local($me) = @_; |
670 | local($amstruct) = $struct{$me} ? 'struct ' : ''; |
671 | |
672 | print '$sizeof{\'', $amstruct, $me, '\'} = '; |
673 | printf "%d;\n", $sizeof{$me}; |
674 | } |
675 | |
676 | sub pdecl { |
677 | local($pdecl) = @_; |
678 | local(@pdecls); |
679 | local($tname); |
680 | |
681 | warn "pdecl: $pdecl\n" if $debug; |
682 | |
683 | $pdecl =~ s/\(\d+,(\d+)\)/$1/g; |
684 | $pdecl =~ s/\*//g; |
685 | @pdecls = split(/=/, $pdecl); |
686 | $typeno = $pdecls[0]; |
687 | $tname = pop @pdecls; |
688 | |
689 | if ($tname =~ s/^f//) { $tname = "$tname&"; } |
690 | #else { $tname = "$tname*"; } |
691 | |
692 | for (reverse @pdecls) { |
693 | $tname .= s/^f// ? "&" : "*"; |
694 | #$tname =~ s/^f(.*)/$1&/; |
695 | print "type[$_] is $tname\n" if $debug; |
696 | $type[$_] = $tname unless defined $type[$_]; |
697 | } |
698 | } |
699 | |
700 | |
701 | |
702 | sub adecl { |
703 | ($arraytype, $unknown, $lower, $upper) = (); |
704 | #local($typeno); |
705 | # global $typeno, @type |
706 | local($_, $typedef) = @_; |
707 | |
708 | while (s/^((\d+)=)?ar(\d+);//) { |
709 | ($arraytype, $unknown) = ($2, $3); |
710 | if (s/^(\d+);(\d+);//) { |
711 | ($lower, $upper) = ($1, $2); |
712 | $scripts .= '[' . ($upper+1) . ']'; |
713 | } else { |
714 | warn "can't find array bounds: $_"; |
715 | } |
716 | } |
717 | if (s/^([\d*f=]*),(\d+),(\d+);//) { |
718 | ($start, $length) = ($2, $3); |
719 | local($whatis) = $1; |
720 | if ($whatis =~ /^(\d+)=/) { |
721 | $typeno = $1; |
722 | &pdecl($whatis); |
723 | } else { |
724 | $typeno = $whatis; |
725 | } |
726 | } elsif (s/^(\d+)(=[*suf]\d*)//) { |
727 | local($whatis) = $2; |
728 | |
729 | if ($whatis =~ /[f*]/) { |
730 | &pdecl($whatis); |
731 | } elsif ($whatis =~ /[su]/) { # |
732 | print "$prefix.$fieldname is an array$scripts anon structs; disgusting\n" |
733 | if $debug; |
734 | #$type[$typeno] = $name unless defined $type[$typeno]; |
735 | ##printf "new type $typeno is $name" if $debug; |
736 | $typeno = $1; |
737 | $type[$typeno] = "$prefix.$fieldname"; |
738 | local($name) = $type[$typeno]; |
739 | &sou($name, $whatis); |
740 | $_ = &sdecl($name, $_, $start+$offset); |
741 | 1; |
742 | $start = $start{$name}; |
743 | $offset = $sizeof{$name}; |
744 | $length = $offset; |
745 | } else { |
746 | warn "what's this? $whatis in $line "; |
747 | } |
748 | } elsif (/^\d+$/) { |
749 | $typeno = $_; |
750 | } else { |
751 | warn "bad array stab: $_ in $line "; |
752 | next STAB; |
753 | } |
754 | #local($wasdef) = defined($type[$typeno]) && $debug; |
755 | #if ($typedef) { |
756 | #print "redefining $type[$typeno] to " if $wasdef; |
757 | #$type[$typeno] = "$whatis$scripts"; # unless defined $type[$typeno]; |
758 | #print "$type[$typeno]\n" if $wasdef; |
759 | #} else { |
760 | #$type[$arraytype] = $type[$typeno] unless defined $type[$arraytype]; |
761 | #} |
762 | $type[$arraytype] = "$type[$typeno]$scripts" if defined $type[$typeno]; |
763 | print "type[$arraytype] is $type[$arraytype]\n" if $debug; |
764 | print "$prefix.$fieldname is an array of $type[$arraytype]\n" if $debug; |
765 | $_; |
766 | } |
767 | |
768 | |
769 | |
770 | sub sdecl { |
771 | local($prefix, $_, $offset) = @_; |
772 | |
773 | local($fieldname, $scripts, $type, $arraytype, $unknown, |
774 | $whatis, $pdecl, $upper,$lower, $start,$length) = (); |
775 | local($typeno,$sou); |
776 | |
777 | |
778 | SFIELD: |
779 | while (/^([^;]+);/) { |
780 | $scripts = ''; |
781 | warn "sdecl $_\n" if $debug; |
782 | if (s/^([\$\w]+)://) { |
783 | $fieldname = $1; |
784 | } elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # |
785 | $typeno = &typeno($1); |
786 | $type[$typeno] = "$prefix.$fieldname"; |
787 | local($name) = "$prefix.$fieldname"; |
788 | &sou($name,$2); |
789 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
790 | $start = $start{$name}; |
791 | $offset += $sizeof{$name}; |
792 | #print "done with anon, start is $start, offset is $offset\n"; |
793 | #next SFIELD; |
794 | } else { |
795 | warn "weird field $_ of $line" if $debug; |
796 | next STAB; |
797 | #$fieldname = &gensym; |
798 | #$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
799 | } |
800 | |
801 | if (/^\d+=ar/) { |
802 | $_ = &adecl($_); |
803 | } |
804 | elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) { |
805 | ($start, $length) = ($2, $3); |
806 | &panic("no length?") unless $length; |
807 | $typeno = &typeno($1) if $1; |
808 | } |
809 | elsif (s/^((\d+|\(\d+,\d+\))(=[*f](\d+|\(\d+,\d+\)))+),(\d+),(\d+);//) { |
810 | ($pdecl, $start, $length) = ($1,$5,$6); |
811 | &pdecl($pdecl); |
812 | } |
813 | elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # the dratted anon struct |
814 | ($typeno, $sou) = ($1, $2); |
815 | $typeno = &typeno($typeno); |
816 | if (defined($type[$typeno])) { |
817 | warn "now how did we get type $1 in $fieldname of $line?"; |
818 | } else { |
819 | print "anon type $typeno is $prefix.$fieldname\n" if $debug; |
820 | $type[$typeno] = "$prefix.$fieldname" unless defined $type[$typeno]; |
821 | }; |
822 | local($name) = "$prefix.$fieldname"; |
823 | &sou($name,$sou); |
824 | print "anon ".($isastruct{$name}) ? "struct":"union"." for $prefix.$fieldname\n" if $debug; |
825 | $type[$typeno] = "$prefix.$fieldname"; |
826 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
827 | $start = $start{$name}; |
828 | $length = $sizeof{$name}; |
829 | } |
830 | else { |
831 | warn "can't grok stab for $name ($_) in line $line "; |
832 | next STAB; |
833 | } |
834 | |
835 | &panic("no length for $prefix.$fieldname") unless $length; |
836 | $struct{$name} .= join(',', $fieldname, $typeno, $scripts, $start, $length) . ';'; |
837 | } |
838 | if (s/;\d*,(\d+),(\d+);//) { |
839 | local($start, $size) = ($1, $2); |
840 | $sizeof{$prefix} = $size; |
841 | print "start of $prefix is $start, size of $sizeof{$prefix}\n" if $debug; |
842 | $start{$prefix} = $start; |
843 | } |
844 | $_; |
845 | } |
846 | |
847 | sub edecl { |
848 | s/;$//; |
849 | $enum{$name} = $_; |
850 | $_ = ''; |
851 | } |
852 | |
853 | sub resolve_types { |
854 | local($sou); |
855 | for $i (0 .. $#type) { |
856 | next unless defined $type[$i]; |
857 | $_ = $type[$i]; |
858 | unless (/\d/) { |
859 | print "type[$i] $type[$i]\n" if $debug; |
860 | next; |
861 | } |
862 | print "type[$i] $_ ==> " if $debug; |
863 | s/^(\d+)(\**)\&\*(\**)/"$2($3".&type($1) . ')()'/e; |
864 | s/^(\d+)\&/&type($1)/e; |
865 | s/^(\d+)/&type($1)/e; |
866 | s/(\*+)([^*]+)(\*+)/$1$3$2/; |
867 | s/\((\*+)(\w+)(\*+)\)/$3($1$2)/; |
868 | s/^(\d+)([\*\[].*)/&type($1).$2/e; |
869 | #s/(\d+)(\*|(\[[\[\]\d\*]+]\])+)/&type($1).$2/ge; |
870 | $type[$i] = $_; |
871 | print "$_\n" if $debug; |
872 | } |
873 | } |
874 | sub type { &psou($type[$_[0]] || "<UNDEFINED>"); } |
875 | |
876 | sub adjust_start_addrs { |
877 | for (sort keys %start) { |
878 | ($basename = $_) =~ s/\.[^.]+$//; |
879 | $start{$_} += $start{$basename}; |
880 | print "start: $_ @ $start{$_}\n" if $debug; |
881 | } |
882 | } |
883 | |
884 | sub sou { |
885 | local($what, $_) = @_; |
886 | /u/ && $isaunion{$what}++; |
887 | /s/ && $isastruct{$what}++; |
888 | } |
889 | |
890 | sub psou { |
891 | local($what) = @_; |
892 | local($prefix) = ''; |
893 | if ($isaunion{$what}) { |
894 | $prefix = 'union '; |
895 | } elsif ($isastruct{$what}) { |
896 | $prefix = 'struct '; |
897 | } |
898 | $prefix . $what; |
899 | } |
900 | |
901 | sub scrunch { |
902 | local($_) = @_; |
903 | |
904 | study; |
905 | |
906 | s/\$//g; |
907 | s/ / /g; |
908 | 1 while s/(\w) \1/$1$1/g; |
909 | |
910 | # i wanna say this, but perl resists my efforts: |
911 | # s/(\w)(\1+)/$2 . length($1)/ge; |
912 | |
913 | &quick_scrunch; |
914 | |
915 | s/ $//; |
916 | |
917 | $_; |
918 | } |
919 | |
920 | sub buildscrunchlist { |
921 | $scrunch_code = "sub quick_scrunch {\n"; |
922 | for (values %intrinsics) { |
923 | $scrunch_code .= "\ts/($_{2,})/'$_' . length(\$1)/ge;\n"; |
924 | } |
925 | $scrunch_code .= "}\n"; |
926 | print "$scrunch_code" if $debug; |
927 | eval $scrunch_code; |
928 | &panic("can't eval scrunch_code $@ \nscrunch_code") if $@; |
929 | } |
930 | |
931 | sub fetch_template { |
932 | local($mytype) = @_; |
933 | local($fmt); |
934 | local($count) = 1; |
935 | |
936 | &panic("why do you care?") unless $perl; |
937 | |
938 | if ($mytype =~ s/(\[\d+\])+$//) { |
939 | $count .= $1; |
940 | } |
941 | |
942 | if ($mytype =~ /\*/) { |
943 | $fmt = $template{'pointer'}; |
944 | } |
945 | elsif (defined $template{$mytype}) { |
946 | $fmt = $template{$mytype}; |
947 | } |
948 | elsif (defined $struct{$mytype}) { |
949 | if (!defined $template{&psou($mytype)}) { |
950 | &build_template($mytype) unless $mytype eq $name; |
951 | } |
952 | elsif ($template{&psou($mytype)} !~ /\$$/) { |
953 | #warn "incomplete template for $mytype\n"; |
954 | } |
955 | $fmt = $template{&psou($mytype)} || '?'; |
956 | } |
957 | else { |
958 | warn "unknown fmt for $mytype\n"; |
959 | $fmt = '?'; |
960 | } |
961 | |
962 | $fmt x $count . ' '; |
963 | } |
964 | |
965 | sub compute_intrinsics { |
966 | local($TMP) = "/tmp/c2ph-i.$$.c"; |
967 | open (TMP, ">$TMP") || die "can't open $TMP: $!"; |
968 | select(TMP); |
969 | |
970 | print STDERR "computing intrinsic sizes: " if $trace; |
971 | |
972 | undef %intrinsics; |
973 | |
974 | print <<'EOF'; |
975 | main() { |
976 | char *mask = "%d %s\n"; |
977 | EOF |
978 | |
979 | for $type (@intrinsics) { |
980 | next if $type eq 'void'; |
981 | print <<"EOF"; |
982 | printf(mask,sizeof($type), "$type"); |
983 | EOF |
984 | } |
985 | |
986 | print <<'EOF'; |
987 | printf(mask,sizeof(char *), "pointer"); |
988 | exit(0); |
989 | } |
990 | EOF |
991 | close TMP; |
992 | |
993 | select(STDOUT); |
994 | open(PIPE, "cd /tmp && $CC $TMP && /tmp/a.out|"); |
995 | while (<PIPE>) { |
996 | chop; |
997 | split(' ',$_,2);; |
998 | print "intrinsic $_[1] is size $_[0]\n" if $debug; |
999 | $sizeof{$_[1]} = $_[0]; |
1000 | $intrinsics{$_[1]} = $template{$_[0]}; |
1001 | } |
1002 | close(PIPE) || die "couldn't read intrinsics!"; |
1003 | unlink($TMP, '/tmp/a.out'); |
1004 | print STDERR "done\n" if $trace; |
1005 | } |
1006 | |
1007 | sub scripts2count { |
1008 | local($_) = @_; |
1009 | |
1010 | s/^\[//; |
1011 | s/\]$//; |
1012 | s/\]\[/*/g; |
1013 | $_ = eval; |
1014 | &panic("$_: $@") if $@; |
1015 | $_; |
1016 | } |
1017 | |
1018 | sub system { |
1019 | print STDERR "@_\n" if $trace; |
1020 | system @_; |
1021 | } |
1022 | |
1023 | sub build_template { |
1024 | local($name) = @_; |
1025 | |
1026 | &panic("already got a template for $name") if defined $template{$name}; |
1027 | |
1028 | local($build_templates) = 1; |
1029 | |
1030 | local($lparen) = '(' x $build_recursed; |
1031 | local($rparen) = ')' x $build_recursed; |
1032 | |
1033 | print STDERR "$lparen$name$rparen " if $trace; |
1034 | $build_recursed++; |
1035 | &pstruct($name,$name,0); |
1036 | print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug; |
1037 | --$build_recursed; |
1038 | } |
1039 | |
1040 | |
1041 | sub panic { |
1042 | |
1043 | select(STDERR); |
1044 | |
1045 | print "\npanic: @_\n"; |
1046 | |
1047 | exit 1 if $] <= 4.003; # caller broken |
1048 | |
1049 | local($i,$_); |
1050 | local($p,$f,$l,$s,$h,$a,@a,@sub); |
1051 | for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) { |
1052 | @a = @DB'args; |
1053 | for (@a) { |
1054 | if (/^StB\000/ && length($_) == length($_main{'_main'})) { |
1055 | $_ = sprintf("%s",$_); |
1056 | } |
1057 | else { |
1058 | s/'/\\'/g; |
1059 | s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/; |
1060 | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg; |
1061 | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg; |
1062 | } |
1063 | } |
1064 | $w = $w ? '@ = ' : '$ = '; |
1065 | $a = $h ? '(' . join(', ', @a) . ')' : ''; |
1066 | push(@sub, "$w&$s$a from file $f line $l\n"); |
1067 | last if $signal; |
1068 | } |
1069 | for ($i=0; $i <= $#sub; $i++) { |
1070 | last if $signal; |
1071 | print $sub[$i]; |
1072 | } |
1073 | exit 1; |
1074 | } |
1075 | |
1076 | sub squishseq { |
1077 | local($num); |
1078 | local($last) = -1e8; |
1079 | local($string); |
1080 | local($seq) = '..'; |
1081 | |
1082 | while (defined($num = shift)) { |
1083 | if ($num == ($last + 1)) { |
1084 | $string .= $seq unless $inseq++; |
1085 | $last = $num; |
1086 | next; |
1087 | } elsif ($inseq) { |
1088 | $string .= $last unless $last == -1e8; |
1089 | } |
1090 | |
1091 | $string .= ',' if defined $string; |
1092 | $string .= $num; |
1093 | $last = $num; |
1094 | $inseq = 0; |
1095 | } |
1096 | $string .= $last if $inseq && $last != -e18; |
1097 | $string; |
1098 | } |
1099 | !NO!SUBS! |
1100 | $eunicefix c2ph |
1101 | rm -f pstruct |
1102 | ln c2ph pstruct |