Commit | Line | Data |
---|---|---|
11aea360 LW |
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 LW |
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 LW |
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 |