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| 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. |
| 22 | $spitshell >c2ph <<!GROK!THIS! |
| 23 | #!$bin/perl |
| 24 | # |
| 25 | !GROK!THIS! |
| 26 | |
| 27 | : In the following dollars and backticks do not need the extra backslash. |
| 28 | $spitshell >>c2ph <<'!NO!SUBS!' |
| 29 | # |
| 30 | # c2ph (aka pstruct) |
| 31 | # Tom Christiansen, <tchrist@convex.com> |
| 32 | # |
| 33 | # As pstruct, dump C structures as generated from 'cc -g -S' stabs. |
| 34 | # As c2ph, do this PLUS generate perl code for getting at the structures. |
| 35 | # |
| 36 | # See the usage message for more. If this isn't enough, read the code. |
| 37 | # |
| 38 | |
| 39 | $RCSID = '$RCSfile: c2ph.SH,v $$Revision: 4.0.1.1 $$Date: 91/11/05 16:02:29 $'; |
| 40 | |
| 41 | |
| 42 | ###################################################################### |
| 43 | |
| 44 | # some handy data definitions. many of these can be reset later. |
| 45 | |
| 46 | $bitorder = 'b'; # ascending; set to B for descending bit fields |
| 47 | |
| 48 | %intrinsics = |
| 49 | %template = ( |
| 50 | 'char', 'c', |
| 51 | 'unsigned char', 'C', |
| 52 | 'short', 's', |
| 53 | 'short int', 's', |
| 54 | 'unsigned short', 'S', |
| 55 | 'unsigned short int', 'S', |
| 56 | 'short unsigned int', 'S', |
| 57 | 'int', 'i', |
| 58 | 'unsigned int', 'I', |
| 59 | 'long', 'l', |
| 60 | 'long int', 'l', |
| 61 | 'unsigned long', 'L', |
| 62 | 'unsigned long', 'L', |
| 63 | 'long unsigned int', 'L', |
| 64 | 'unsigned long int', 'L', |
| 65 | 'long long', 'q', |
| 66 | 'long long int', 'q', |
| 67 | 'unsigned long long', 'Q', |
| 68 | 'unsigned long long int', 'Q', |
| 69 | 'float', 'f', |
| 70 | 'double', 'd', |
| 71 | 'pointer', 'p', |
| 72 | 'null', 'x', |
| 73 | 'neganull', 'X', |
| 74 | 'bit', $bitorder, |
| 75 | ); |
| 76 | |
| 77 | &buildscrunchlist; |
| 78 | delete $intrinsics{'neganull'}; |
| 79 | delete $intrinsics{'bit'}; |
| 80 | delete $intrinsics{'null'}; |
| 81 | |
| 82 | # use -s to recompute sizes |
| 83 | %sizeof = ( |
| 84 | 'char', '1', |
| 85 | 'unsigned char', '1', |
| 86 | 'short', '2', |
| 87 | 'short int', '2', |
| 88 | 'unsigned short', '2', |
| 89 | 'unsigned short int', '2', |
| 90 | 'short unsigned int', '2', |
| 91 | 'int', '4', |
| 92 | 'unsigned int', '4', |
| 93 | 'long', '4', |
| 94 | 'long int', '4', |
| 95 | 'unsigned long', '4', |
| 96 | 'unsigned long int', '4', |
| 97 | 'long unsigned int', '4', |
| 98 | 'long long', '8', |
| 99 | 'long long int', '8', |
| 100 | 'unsigned long long', '8', |
| 101 | 'unsigned long long int', '8', |
| 102 | 'float', '4', |
| 103 | 'double', '8', |
| 104 | 'pointer', '4', |
| 105 | ); |
| 106 | |
| 107 | ($type_width, $member_width, $offset_width, $size_width) = (20, 20, 6, 5); |
| 108 | |
| 109 | ($offset_fmt, $size_fmt) = ('d', 'd'); |
| 110 | |
| 111 | $indent = 2; |
| 112 | |
| 113 | $CC = 'cc'; |
| 114 | $CFLAGS = '-g -S'; |
| 115 | $DEFINES = ''; |
| 116 | |
| 117 | $perl++ if $0 =~ m#/?c2ph$#; |
| 118 | |
| 119 | require 'getopts.pl'; |
| 120 | |
| 121 | eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift; |
| 122 | |
| 123 | &Getopts('aixdpvtnws:') || &usage(0); |
| 124 | |
| 125 | $opt_d && $debug++; |
| 126 | $opt_t && $trace++; |
| 127 | $opt_p && $perl++; |
| 128 | $opt_v && $verbose++; |
| 129 | $opt_n && ($perl = 0); |
| 130 | |
| 131 | if ($opt_w) { |
| 132 | ($type_width, $member_width, $offset_width) = (45, 35, 8); |
| 133 | } |
| 134 | if ($opt_x) { |
| 135 | ($offset_fmt, $offset_width, $size_fmt, $size_width) = ( 'x', '08', 'x', 04 ); |
| 136 | } |
| 137 | |
| 138 | eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift; |
| 139 | |
| 140 | sub PLUMBER { |
| 141 | select(STDERR); |
| 142 | print "oops, apperent pager foulup\n"; |
| 143 | $isatty++; |
| 144 | &usage(1); |
| 145 | } |
| 146 | |
| 147 | sub usage { |
| 148 | local($oops) = @_; |
| 149 | unless (-t STDOUT) { |
| 150 | select(STDERR); |
| 151 | } elsif (!$oops) { |
| 152 | $isatty++; |
| 153 | $| = 1; |
| 154 | print "hit <RETURN> for further explanation: "; |
| 155 | <STDIN>; |
| 156 | open (PIPE, "|". ($ENV{PAGER} || 'more')); |
| 157 | $SIG{PIPE} = PLUMBER; |
| 158 | select(PIPE); |
| 159 | } |
| 160 | |
| 161 | print "usage: $0 [-dpnP] [var=val] [files ...]\n"; |
| 162 | |
| 163 | exit unless $isatty; |
| 164 | |
| 165 | print <<EOF; |
| 166 | |
| 167 | Options: |
| 168 | |
| 169 | -w wide; short for: type_width=45 member_width=35 offset_width=8 |
| 170 | -x hex; short for: offset_fmt=x offset_width=08 size_fmt=x size_width=04 |
| 171 | |
| 172 | -n do not generate perl code (default when invoked as pstruct) |
| 173 | -p generate perl code (default when invoked as c2ph) |
| 174 | -v generate perl code, with C decls as comments |
| 175 | |
| 176 | -i do NOT recompute sizes for intrinsic datatypes |
| 177 | -a dump information on intrinsics also |
| 178 | |
| 179 | -t trace execution |
| 180 | -d spew reams of debugging output |
| 181 | |
| 182 | -slist give comma-separated list a structures to dump |
| 183 | |
| 184 | |
| 185 | Var Name Default Value Meaning |
| 186 | |
| 187 | EOF |
| 188 | |
| 189 | &defvar('CC', 'which_compiler to call'); |
| 190 | &defvar('CFLAGS', 'how to generate *.s files with stabs'); |
| 191 | &defvar('DEFINES','any extra cflags or cpp defines, like -I, -D, -U'); |
| 192 | |
| 193 | print "\n"; |
| 194 | |
| 195 | &defvar('type_width', 'width of type field (column 1)'); |
| 196 | &defvar('member_width', 'width of member field (column 2)'); |
| 197 | &defvar('offset_width', 'width of offset field (column 3)'); |
| 198 | &defvar('size_width', 'width of size field (column 4)'); |
| 199 | |
| 200 | print "\n"; |
| 201 | |
| 202 | &defvar('offset_fmt', 'sprintf format type for offset'); |
| 203 | &defvar('size_fmt', 'sprintf format type for size'); |
| 204 | |
| 205 | print "\n"; |
| 206 | |
| 207 | &defvar('indent', 'how far to indent each nesting level'); |
| 208 | |
| 209 | print <<'EOF'; |
| 210 | |
| 211 | If any *.[ch] files are given, these will be catted together into |
| 212 | a temporary *.c file and sent through: |
| 213 | $CC $CFLAGS $DEFINES |
| 214 | and the resulting *.s groped for stab information. If no files are |
| 215 | supplied, then stdin is read directly with the assumption that it |
| 216 | contains stab information. All other liens will be ignored. At |
| 217 | most one *.s file should be supplied. |
| 218 | |
| 219 | EOF |
| 220 | close PIPE; |
| 221 | exit 1; |
| 222 | } |
| 223 | |
| 224 | sub defvar { |
| 225 | local($var, $msg) = @_; |
| 226 | printf "%-16s%-15s %s\n", $var, eval "\$$var", $msg; |
| 227 | } |
| 228 | |
| 229 | $recurse = 1; |
| 230 | |
| 231 | if (@ARGV) { |
| 232 | if (grep(!/\.[csh]$/,@ARGV)) { |
| 233 | warn "Only *.[csh] files expected!\n"; |
| 234 | &usage; |
| 235 | } |
| 236 | elsif (grep(/\.s$/,@ARGV)) { |
| 237 | if (@ARGV > 1) { |
| 238 | warn "Only one *.s file allowed!\n"; |
| 239 | &usage; |
| 240 | } |
| 241 | } |
| 242 | elsif (@ARGV == 1 && $ARGV[0] =~ /\.c$/) { |
| 243 | local($dir, $file) = $ARGV[0] =~ m#(.*/)?(.*)$#; |
| 244 | $chdir = "cd $dir; " if $dir; |
| 245 | &system("$chdir$CC $CFLAGS $DEFINES $file") && exit 1; |
| 246 | $ARGV[0] =~ s/\.c$/.s/; |
| 247 | } |
| 248 | else { |
| 249 | $TMP = "/tmp/c2ph.$$.c"; |
| 250 | &system("cat @ARGV > $TMP") && exit 1; |
| 251 | &system("cd /tmp; $CC $CFLAGS $DEFINES $TMP") && exit 1; |
| 252 | unlink $TMP; |
| 253 | $TMP =~ s/\.c$/.s/; |
| 254 | @ARGV = ($TMP); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | if ($opt_s) { |
| 259 | for (split(/[\s,]+/, $opt_s)) { |
| 260 | $interested{$_}++; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | |
| 265 | $| = 1 if $debug; |
| 266 | |
| 267 | main: { |
| 268 | |
| 269 | if ($trace) { |
| 270 | if (-t && !@ARGV) { |
| 271 | print STDERR "reading from your keyboard: "; |
| 272 | } else { |
| 273 | print STDERR "reading from " . (@ARGV ? "@ARGV" : "<STDIN>").": "; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | STAB: while (<>) { |
| 278 | if ($trace && !($. % 10)) { |
| 279 | $lineno = $..''; |
| 280 | print STDERR $lineno, "\b" x length($lineno); |
| 281 | } |
| 282 | next unless /^\s*\.stabs\s+/; |
| 283 | $line = $_; |
| 284 | s/^\s*\.stabs\s+//; |
| 285 | &stab; |
| 286 | } |
| 287 | print STDERR "$.\n" if $trace; |
| 288 | unlink $TMP if $TMP; |
| 289 | |
| 290 | &compute_intrinsics if $perl && !$opt_i; |
| 291 | |
| 292 | print STDERR "resolving types\n" if $trace; |
| 293 | |
| 294 | &resolve_types; |
| 295 | &adjust_start_addrs; |
| 296 | |
| 297 | $sum = 2 + $type_width + $member_width; |
| 298 | $pmask1 = "%-${type_width}s %-${member_width}s"; |
| 299 | $pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s"; |
| 300 | |
| 301 | if ($perl) { |
| 302 | # resolve template -- should be in stab define order, but even this isn't enough. |
| 303 | print STDERR "\nbuilding type templates: " if $trace; |
| 304 | for $i (reverse 0..$#type) { |
| 305 | next unless defined($name = $type[$i]); |
| 306 | next unless defined $struct{$name}; |
| 307 | $build_recursed = 0; |
| 308 | &build_template($name) unless defined $template{&psou($name)} || |
| 309 | $opt_s && !$interested{$name}; |
| 310 | } |
| 311 | print STDERR "\n\n" if $trace; |
| 312 | } |
| 313 | |
| 314 | print STDERR "dumping structs: " if $trace; |
| 315 | |
| 316 | |
| 317 | foreach $name (sort keys %struct) { |
| 318 | next if $opt_s && !$interested{$name}; |
| 319 | print STDERR "$name " if $trace; |
| 320 | |
| 321 | undef @sizeof; |
| 322 | undef @typedef; |
| 323 | undef @offsetof; |
| 324 | undef @indices; |
| 325 | undef @typeof; |
| 326 | |
| 327 | $mname = &munge($name); |
| 328 | |
| 329 | $fname = &psou($name); |
| 330 | |
| 331 | print "# " if $perl && $verbose; |
| 332 | $pcode = ''; |
| 333 | print "$fname {\n" if !$perl || $verbose; |
| 334 | $template{$fname} = &scrunch($template{$fname}) if $perl; |
| 335 | &pstruct($name,$name,0); |
| 336 | print "# " if $perl && $verbose; |
| 337 | print "}\n" if !$perl || $verbose; |
| 338 | print "\n" if $perl && $verbose; |
| 339 | |
| 340 | if ($perl) { |
| 341 | print "$pcode"; |
| 342 | |
| 343 | printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name}); |
| 344 | |
| 345 | print <<EOF; |
| 346 | sub ${mname}'typedef { |
| 347 | local(\$${mname}'index) = shift; |
| 348 | defined \$${mname}'index |
| 349 | ? \$${mname}'typedef[\$${mname}'index] |
| 350 | : \$${mname}'typedef; |
| 351 | } |
| 352 | EOF |
| 353 | |
| 354 | print <<EOF; |
| 355 | sub ${mname}'sizeof { |
| 356 | local(\$${mname}'index) = shift; |
| 357 | defined \$${mname}'index |
| 358 | ? \$${mname}'sizeof[\$${mname}'index] |
| 359 | : \$${mname}'sizeof; |
| 360 | } |
| 361 | EOF |
| 362 | |
| 363 | print <<EOF; |
| 364 | sub ${mname}'offsetof { |
| 365 | local(\$${mname}'index) = shift; |
| 366 | defined \$${mname}index |
| 367 | ? \$${mname}'offsetof[\$${mname}'index] |
| 368 | : \$${mname}'sizeof; |
| 369 | } |
| 370 | EOF |
| 371 | |
| 372 | print <<EOF; |
| 373 | sub ${mname}'typeof { |
| 374 | local(\$${mname}'index) = shift; |
| 375 | defined \$${mname}index |
| 376 | ? \$${mname}'typeof[\$${mname}'index] |
| 377 | : '$name'; |
| 378 | } |
| 379 | EOF |
| 380 | |
| 381 | |
| 382 | print "\$${mname}'typedef = '" . &scrunch($template{$fname}) |
| 383 | . "';\n"; |
| 384 | |
| 385 | print "\$${mname}'sizeof = $sizeof{$name};\n\n"; |
| 386 | |
| 387 | |
| 388 | print "\@${mname}'indices = (", &squishseq(@indices), ");\n"; |
| 389 | |
| 390 | print "\n"; |
| 391 | |
| 392 | print "\@${mname}'typedef[\@${mname}'indices] = (", |
| 393 | join("\n\t", '', @typedef), "\n );\n\n"; |
| 394 | print "\@${mname}'sizeof[\@${mname}'indices] = (", |
| 395 | join("\n\t", '', @sizeof), "\n );\n\n"; |
| 396 | print "\@${mname}'offsetof[\@${mname}'indices] = (", |
| 397 | join("\n\t", '', @offsetof), "\n );\n\n"; |
| 398 | print "\@${mname}'typeof[\@${mname}'indices] = (", |
| 399 | join("\n\t", '', @typeof), "\n );\n\n"; |
| 400 | |
| 401 | $template_printed{$fname}++; |
| 402 | $size_printed{$fname}++; |
| 403 | } |
| 404 | print "\n"; |
| 405 | } |
| 406 | |
| 407 | print STDERR "\n" if $trace; |
| 408 | |
| 409 | unless ($perl && $opt_a) { |
| 410 | print "\n1;\n"; |
| 411 | exit; |
| 412 | } |
| 413 | |
| 414 | |
| 415 | |
| 416 | foreach $name (sort bysizevalue keys %intrinsics) { |
| 417 | next if $size_printed{$name}; |
| 418 | print '$',&munge($name),"'sizeof = ", $sizeof{$name}, ";\n"; |
| 419 | } |
| 420 | |
| 421 | print "\n"; |
| 422 | |
| 423 | sub bysizevalue { $sizeof{$a} <=> $sizeof{$b}; } |
| 424 | |
| 425 | |
| 426 | foreach $name (sort keys %intrinsics) { |
| 427 | print '$',&munge($name),"'typedef = '", $template{$name}, "';\n"; |
| 428 | } |
| 429 | |
| 430 | print "\n1;\n"; |
| 431 | |
| 432 | exit; |
| 433 | } |
| 434 | |
| 435 | ######################################################################################## |
| 436 | |
| 437 | |
| 438 | sub stab { |
| 439 | next unless /:[\$\w]+(\(\d+,\d+\))?=[\*\$\w]+/; # (\d+,\d+) is for sun |
| 440 | s/"// || next; |
| 441 | s/",([x\d]+),([x\d]+),([x\d]+),.*// || next; |
| 442 | |
| 443 | next if /^\s*$/; |
| 444 | |
| 445 | $size = $3 if $3; |
| 446 | |
| 447 | |
| 448 | $line = $_; |
| 449 | |
| 450 | if (($name, $pdecl) = /^([\$ \w]+):[tT]((\d+)(=[rufs*](\d+))+)$/) { |
| 451 | print "$name is a typedef for some funky pointers: $pdecl\n" if $debug; |
| 452 | &pdecl($pdecl); |
| 453 | next; |
| 454 | } |
| 455 | |
| 456 | |
| 457 | |
| 458 | if (/(([ \w]+):t(\d+|\(\d+,\d+\)))=r?(\d+|\(\d+,\d+\))(;\d+;\d+;)?/) { |
| 459 | local($ident) = $2; |
| 460 | push(@intrinsics, $ident); |
| 461 | $typeno = &typeno($3); |
| 462 | $type[$typeno] = $ident; |
| 463 | print STDERR "intrinsic $ident in new type $typeno\n" if $debug; |
| 464 | next; |
| 465 | } |
| 466 | |
| 467 | if (($name, $typeordef, $typeno, $extra, $struct, $_) |
| 468 | = /^([\$ \w]+):([ustT])(\d+|\(\d+,\d+\))(=[rufs*](\d+))?(.*)$/) |
| 469 | { |
| 470 | $typeno = &typeno($typeno); # sun foolery |
| 471 | } |
| 472 | elsif (/^[\$\w]+:/) { |
| 473 | next; # variable |
| 474 | } |
| 475 | else { |
| 476 | warn "can't grok stab: <$_> in: $line " if $_; |
| 477 | next; |
| 478 | } |
| 479 | |
| 480 | #warn "got size $size for $name\n"; |
| 481 | $sizeof{$name} = $size if $size; |
| 482 | |
| 483 | s/;[-\d]*;[-\d]*;$//; # we don't care about ranges |
| 484 | |
| 485 | $typenos{$name} = $typeno; |
| 486 | |
| 487 | unless (defined $type[$typeno]) { |
| 488 | &panic("type 0??") unless $typeno; |
| 489 | $type[$typeno] = $name unless defined $type[$typeno]; |
| 490 | printf "new type $typeno is $name" if $debug; |
| 491 | if ($extra =~ /\*/ && defined $type[$struct]) { |
| 492 | print ", a typedef for a pointer to " , $type[$struct] if $debug; |
| 493 | } |
| 494 | } else { |
| 495 | printf "%s is type %d", $name, $typeno if $debug; |
| 496 | print ", a typedef for " , $type[$typeno] if $debug; |
| 497 | } |
| 498 | print "\n" if $debug; |
| 499 | #next unless $extra =~ /[su*]/; |
| 500 | |
| 501 | #$type[$struct] = $name; |
| 502 | |
| 503 | if ($extra =~ /[us*]/) { |
| 504 | &sou($name, $extra); |
| 505 | $_ = &sdecl($name, $_, 0); |
| 506 | } |
| 507 | elsif (/^=ar/) { |
| 508 | print "it's a bare array typedef -- that's pretty sick\n" if $debug; |
| 509 | $_ = "$typeno$_"; |
| 510 | $scripts = ''; |
| 511 | $_ = &adecl($_,1); |
| 512 | |
| 513 | } |
| 514 | elsif (s/((\w+):t(\d+|\(\d+,\d+\)))?=r?(;\d+;\d+;)?//) { # the ?'s are for gcc |
| 515 | push(@intrinsics, $2); |
| 516 | $typeno = &typeno($3); |
| 517 | $type[$typeno] = $2; |
| 518 | print STDERR "intrinsic $2 in new type $typeno\n" if $debug; |
| 519 | } |
| 520 | elsif (s/^=e//) { # blessed by thy compiler; mine won't do this |
| 521 | &edecl; |
| 522 | } |
| 523 | else { |
| 524 | warn "Funny remainder for $name on line $_ left in $line " if $_; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | sub typeno { # sun thinks types are (0,27) instead of just 27 |
| 529 | local($_) = @_; |
| 530 | s/\(\d+,(\d+)\)/$1/; |
| 531 | $_; |
| 532 | } |
| 533 | |
| 534 | sub pstruct { |
| 535 | local($what,$prefix,$base) = @_; |
| 536 | local($field, $fieldname, $typeno, $count, $offset, $entry); |
| 537 | local($fieldtype); |
| 538 | local($type, $tname); |
| 539 | local($mytype, $mycount, $entry2); |
| 540 | local($struct_count) = 0; |
| 541 | local($pad, $revpad, $length, $prepad, $lastoffset, $lastlength, $fmt); |
| 542 | local($bits,$bytes); |
| 543 | local($template); |
| 544 | |
| 545 | |
| 546 | local($mname) = &munge($name); |
| 547 | |
| 548 | sub munge { |
| 549 | local($_) = @_; |
| 550 | s/[\s\$\.]/_/g; |
| 551 | $_; |
| 552 | } |
| 553 | |
| 554 | local($sname) = &psou($what); |
| 555 | |
| 556 | $nesting++; |
| 557 | |
| 558 | for $field (split(/;/, $struct{$what})) { |
| 559 | $pad = $prepad = 0; |
| 560 | $entry = ''; |
| 561 | ($fieldname, $typeno, $count, $offset, $length) = split(/,/, $field); |
| 562 | |
| 563 | $type = $type[$typeno]; |
| 564 | |
| 565 | $type =~ /([^[]*)(\[.*\])?/; |
| 566 | $mytype = $1; |
| 567 | $count .= $2; |
| 568 | $fieldtype = &psou($mytype); |
| 569 | |
| 570 | local($fname) = &psou($name); |
| 571 | |
| 572 | if ($build_templates) { |
| 573 | |
| 574 | $pad = ($offset - ($lastoffset + $lastlength))/8 |
| 575 | if defined $lastoffset; |
| 576 | |
| 577 | if (! $finished_template{$sname}) { |
| 578 | if ($isaunion{$what}) { |
| 579 | $template{$sname} .= 'X' x $revpad . ' ' if $revpad; |
| 580 | } else { |
| 581 | $template{$sname} .= 'x' x $pad . ' ' if $pad; |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | $template = &fetch_template($type) x |
| 586 | ($count ? &scripts2count($count) : 1); |
| 587 | |
| 588 | if (! $finished_template{$sname}) { |
| 589 | $template{$sname} .= $template; |
| 590 | } |
| 591 | |
| 592 | $revpad = $length/8 if $isaunion{$what}; |
| 593 | |
| 594 | ($lastoffset, $lastlength) = ($offset, $length); |
| 595 | |
| 596 | } else { |
| 597 | print '# ' if $perl && $verbose; |
| 598 | $entry = sprintf($pmask1, |
| 599 | ' ' x ($nesting * $indent) . $fieldtype, |
| 600 | "$prefix.$fieldname" . $count); |
| 601 | |
| 602 | $entry =~ s/(\*+)( )/$2$1/; |
| 603 | |
| 604 | printf $pmask2, |
| 605 | $entry, |
| 606 | ($base+$offset)/8, |
| 607 | ($bits = ($base+$offset)%8) ? ".$bits" : " ", |
| 608 | $length/8, |
| 609 | ($bits = $length % 8) ? ".$bits": "" |
| 610 | if !$perl || $verbose; |
| 611 | |
| 612 | |
| 613 | if ($perl && $nesting == 1) { |
| 614 | $template = &scrunch(&fetch_template($type) x |
| 615 | ($count ? &scripts2count($count) : 1)); |
| 616 | push(@sizeof, int($length/8) .",\t# $fieldname"); |
| 617 | push(@offsetof, int($offset/8) .",\t# $fieldname"); |
| 618 | push(@typedef, "'$template', \t# $fieldname"); |
| 619 | $type =~ s/(struct|union) //; |
| 620 | push(@typeof, "'$type" . ($count ? $count : '') . |
| 621 | "',\t# $fieldname"); |
| 622 | } |
| 623 | |
| 624 | print ' ', ' ' x $indent x $nesting, $template |
| 625 | if $perl && $verbose; |
| 626 | |
| 627 | print "\n" if !$perl || $verbose; |
| 628 | |
| 629 | } |
| 630 | if ($perl) { |
| 631 | local($mycount) = defined $struct{$mytype} ? $countof{$mytype} : 1; |
| 632 | $mycount *= &scripts2count($count) if $count; |
| 633 | if ($nesting==1 && !$build_templates) { |
| 634 | $pcode .= sprintf("sub %-32s { %4d; }\n", |
| 635 | "${mname}'${fieldname}", $struct_count); |
| 636 | push(@indices, $struct_count); |
| 637 | } |
| 638 | $struct_count += $mycount; |
| 639 | } |
| 640 | |
| 641 | |
| 642 | &pstruct($type, "$prefix.$fieldname", $base+$offset) |
| 643 | if $recurse && defined $struct{$type}; |
| 644 | } |
| 645 | |
| 646 | $countof{$what} = $struct_count unless defined $countof{$whati}; |
| 647 | |
| 648 | $template{$sname} .= '$' if $build_templates; |
| 649 | $finished_template{$sname}++; |
| 650 | |
| 651 | if ($build_templates && !defined $sizeof{$name}) { |
| 652 | local($fmt) = &scrunch($template{$sname}); |
| 653 | print STDERR "no size for $name, punting with $fmt..." if $debug; |
| 654 | eval '$sizeof{$name} = length(pack($fmt, ()))'; |
| 655 | if ($@) { |
| 656 | chop $@; |
| 657 | warn "couldn't get size for \$name: $@"; |
| 658 | } else { |
| 659 | print STDERR $sizeof{$name}, "\n" if $debUg; |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | --$nesting; |
| 664 | } |
| 665 | |
| 666 | |
| 667 | sub psize { |
| 668 | local($me) = @_; |
| 669 | local($amstruct) = $struct{$me} ? 'struct ' : ''; |
| 670 | |
| 671 | print '$sizeof{\'', $amstruct, $me, '\'} = '; |
| 672 | printf "%d;\n", $sizeof{$me}; |
| 673 | } |
| 674 | |
| 675 | sub pdecl { |
| 676 | local($pdecl) = @_; |
| 677 | local(@pdecls); |
| 678 | local($tname); |
| 679 | |
| 680 | warn "pdecl: $pdecl\n" if $debug; |
| 681 | |
| 682 | $pdecl =~ s/\(\d+,(\d+)\)/$1/g; |
| 683 | $pdecl =~ s/\*//g; |
| 684 | @pdecls = split(/=/, $pdecl); |
| 685 | $typeno = $pdecls[0]; |
| 686 | $tname = pop @pdecls; |
| 687 | |
| 688 | if ($tname =~ s/^f//) { $tname = "$tname&"; } |
| 689 | #else { $tname = "$tname*"; } |
| 690 | |
| 691 | for (reverse @pdecls) { |
| 692 | $tname .= s/^f// ? "&" : "*"; |
| 693 | #$tname =~ s/^f(.*)/$1&/; |
| 694 | print "type[$_] is $tname\n" if $debug; |
| 695 | $type[$_] = $tname unless defined $type[$_]; |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | |
| 700 | |
| 701 | sub adecl { |
| 702 | ($arraytype, $unknown, $lower, $upper) = (); |
| 703 | #local($typeno); |
| 704 | # global $typeno, @type |
| 705 | local($_, $typedef) = @_; |
| 706 | |
| 707 | while (s/^((\d+)=)?ar(\d+);//) { |
| 708 | ($arraytype, $unknown) = ($2, $3); |
| 709 | if (s/^(\d+);(\d+);//) { |
| 710 | ($lower, $upper) = ($1, $2); |
| 711 | $scripts .= '[' . ($upper+1) . ']'; |
| 712 | } else { |
| 713 | warn "can't find array bounds: $_"; |
| 714 | } |
| 715 | } |
| 716 | if (s/^([\d*f=]*),(\d+),(\d+);//) { |
| 717 | ($start, $length) = ($2, $3); |
| 718 | local($whatis) = $1; |
| 719 | if ($whatis =~ /^(\d+)=/) { |
| 720 | $typeno = $1; |
| 721 | &pdecl($whatis); |
| 722 | } else { |
| 723 | $typeno = $whatis; |
| 724 | } |
| 725 | } elsif (s/^(\d+)(=[*suf]\d*)//) { |
| 726 | local($whatis) = $2; |
| 727 | |
| 728 | if ($whatis =~ /[f*]/) { |
| 729 | &pdecl($whatis); |
| 730 | } elsif ($whatis =~ /[su]/) { # |
| 731 | print "$prefix.$fieldname is an array$scripts anon structs; disgusting\n" |
| 732 | if $debug; |
| 733 | #$type[$typeno] = $name unless defined $type[$typeno]; |
| 734 | ##printf "new type $typeno is $name" if $debug; |
| 735 | $typeno = $1; |
| 736 | $type[$typeno] = "$prefix.$fieldname"; |
| 737 | local($name) = $type[$typeno]; |
| 738 | &sou($name, $whatis); |
| 739 | $_ = &sdecl($name, $_, $start+$offset); |
| 740 | 1; |
| 741 | $start = $start{$name}; |
| 742 | $offset = $sizeof{$name}; |
| 743 | $length = $offset; |
| 744 | } else { |
| 745 | warn "what's this? $whatis in $line "; |
| 746 | } |
| 747 | } elsif (/^\d+$/) { |
| 748 | $typeno = $_; |
| 749 | } else { |
| 750 | warn "bad array stab: $_ in $line "; |
| 751 | next STAB; |
| 752 | } |
| 753 | #local($wasdef) = defined($type[$typeno]) && $debug; |
| 754 | #if ($typedef) { |
| 755 | #print "redefining $type[$typeno] to " if $wasdef; |
| 756 | #$type[$typeno] = "$whatis$scripts"; # unless defined $type[$typeno]; |
| 757 | #print "$type[$typeno]\n" if $wasdef; |
| 758 | #} else { |
| 759 | #$type[$arraytype] = $type[$typeno] unless defined $type[$arraytype]; |
| 760 | #} |
| 761 | $type[$arraytype] = "$type[$typeno]$scripts" if defined $type[$typeno]; |
| 762 | print "type[$arraytype] is $type[$arraytype]\n" if $debug; |
| 763 | print "$prefix.$fieldname is an array of $type[$arraytype]\n" if $debug; |
| 764 | $_; |
| 765 | } |
| 766 | |
| 767 | |
| 768 | |
| 769 | sub sdecl { |
| 770 | local($prefix, $_, $offset) = @_; |
| 771 | |
| 772 | local($fieldname, $scripts, $type, $arraytype, $unknown, |
| 773 | $whatis, $pdecl, $upper,$lower, $start,$length) = (); |
| 774 | local($typeno,$sou); |
| 775 | |
| 776 | |
| 777 | SFIELD: |
| 778 | while (/^([^;]+);/) { |
| 779 | $scripts = ''; |
| 780 | warn "sdecl $_\n" if $debug; |
| 781 | if (s/^([\$\w]+)://) { |
| 782 | $fieldname = $1; |
| 783 | } elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # |
| 784 | $typeno = &typeno($1); |
| 785 | $type[$typeno] = "$prefix.$fieldname"; |
| 786 | local($name) = "$prefix.$fieldname"; |
| 787 | &sou($name,$2); |
| 788 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
| 789 | $start = $start{$name}; |
| 790 | $offset += $sizeof{$name}; |
| 791 | #print "done with anon, start is $start, offset is $offset\n"; |
| 792 | #next SFIELD; |
| 793 | } else { |
| 794 | warn "weird field $_ of $line" if $debug; |
| 795 | next STAB; |
| 796 | #$fieldname = &gensym; |
| 797 | #$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
| 798 | } |
| 799 | |
| 800 | if (/^\d+=ar/) { |
| 801 | $_ = &adecl($_); |
| 802 | } |
| 803 | elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) { |
| 804 | ($start, $length) = ($2, $3); |
| 805 | &panic("no length?") unless $length; |
| 806 | $typeno = &typeno($1) if $1; |
| 807 | } |
| 808 | elsif (s/^((\d+|\(\d+,\d+\))(=[*f](\d+|\(\d+,\d+\)))+),(\d+),(\d+);//) { |
| 809 | ($pdecl, $start, $length) = ($1,$5,$6); |
| 810 | &pdecl($pdecl); |
| 811 | } |
| 812 | elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # the dratted anon struct |
| 813 | ($typeno, $sou) = ($1, $2); |
| 814 | $typeno = &typeno($typeno); |
| 815 | if (defined($type[$typeno])) { |
| 816 | warn "now how did we get type $1 in $fieldname of $line?"; |
| 817 | } else { |
| 818 | print "anon type $typeno is $prefix.$fieldname\n" if $debug; |
| 819 | $type[$typeno] = "$prefix.$fieldname" unless defined $type[$typeno]; |
| 820 | }; |
| 821 | local($name) = "$prefix.$fieldname"; |
| 822 | &sou($name,$sou); |
| 823 | print "anon ".($isastruct{$name}) ? "struct":"union"." for $prefix.$fieldname\n" if $debug; |
| 824 | $type[$typeno] = "$prefix.$fieldname"; |
| 825 | $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); |
| 826 | $start = $start{$name}; |
| 827 | $length = $sizeof{$name}; |
| 828 | } |
| 829 | else { |
| 830 | warn "can't grok stab for $name ($_) in line $line "; |
| 831 | next STAB; |
| 832 | } |
| 833 | |
| 834 | &panic("no length for $prefix.$fieldname") unless $length; |
| 835 | $struct{$name} .= join(',', $fieldname, $typeno, $scripts, $start, $length) . ';'; |
| 836 | } |
| 837 | if (s/;\d*,(\d+),(\d+);//) { |
| 838 | local($start, $size) = ($1, $2); |
| 839 | $sizeof{$prefix} = $size; |
| 840 | print "start of $prefix is $start, size of $sizeof{$prefix}\n" if $debug; |
| 841 | $start{$prefix} = $start; |
| 842 | } |
| 843 | $_; |
| 844 | } |
| 845 | |
| 846 | sub edecl { |
| 847 | s/;$//; |
| 848 | $enum{$name} = $_; |
| 849 | $_ = ''; |
| 850 | } |
| 851 | |
| 852 | sub resolve_types { |
| 853 | local($sou); |
| 854 | for $i (0 .. $#type) { |
| 855 | next unless defined $type[$i]; |
| 856 | $_ = $type[$i]; |
| 857 | unless (/\d/) { |
| 858 | print "type[$i] $type[$i]\n" if $debug; |
| 859 | next; |
| 860 | } |
| 861 | print "type[$i] $_ ==> " if $debug; |
| 862 | s/^(\d+)(\**)\&\*(\**)/"$2($3".&type($1) . ')()'/e; |
| 863 | s/^(\d+)\&/&type($1)/e; |
| 864 | s/^(\d+)/&type($1)/e; |
| 865 | s/(\*+)([^*]+)(\*+)/$1$3$2/; |
| 866 | s/\((\*+)(\w+)(\*+)\)/$3($1$2)/; |
| 867 | s/^(\d+)([\*\[].*)/&type($1).$2/e; |
| 868 | #s/(\d+)(\*|(\[[\[\]\d\*]+]\])+)/&type($1).$2/ge; |
| 869 | $type[$i] = $_; |
| 870 | print "$_\n" if $debug; |
| 871 | } |
| 872 | } |
| 873 | sub type { &psou($type[$_[0]] || "<UNDEFINED>"); } |
| 874 | |
| 875 | sub adjust_start_addrs { |
| 876 | for (sort keys %start) { |
| 877 | ($basename = $_) =~ s/\.[^.]+$//; |
| 878 | $start{$_} += $start{$basename}; |
| 879 | print "start: $_ @ $start{$_}\n" if $debug; |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | sub sou { |
| 884 | local($what, $_) = @_; |
| 885 | /u/ && $isaunion{$what}++; |
| 886 | /s/ && $isastruct{$what}++; |
| 887 | } |
| 888 | |
| 889 | sub psou { |
| 890 | local($what) = @_; |
| 891 | local($prefix) = ''; |
| 892 | if ($isaunion{$what}) { |
| 893 | $prefix = 'union '; |
| 894 | } elsif ($isastruct{$what}) { |
| 895 | $prefix = 'struct '; |
| 896 | } |
| 897 | $prefix . $what; |
| 898 | } |
| 899 | |
| 900 | sub scrunch { |
| 901 | local($_) = @_; |
| 902 | |
| 903 | study; |
| 904 | |
| 905 | s/\$//g; |
| 906 | s/ / /g; |
| 907 | 1 while s/(\w) \1/$1$1/g; |
| 908 | |
| 909 | # i wanna say this, but perl resists my efforts: |
| 910 | # s/(\w)(\1+)/$2 . length($1)/ge; |
| 911 | |
| 912 | &quick_scrunch; |
| 913 | |
| 914 | s/ $//; |
| 915 | |
| 916 | $_; |
| 917 | } |
| 918 | |
| 919 | sub buildscrunchlist { |
| 920 | $scrunch_code = "sub quick_scrunch {\n"; |
| 921 | for (values %intrinsics) { |
| 922 | $scrunch_code .= "\ts/($_{2,})/'$_' . length(\$1)/ge;\n"; |
| 923 | } |
| 924 | $scrunch_code .= "}\n"; |
| 925 | print "$scrunch_code" if $debug; |
| 926 | eval $scrunch_code; |
| 927 | &panic("can't eval scrunch_code $@ \nscrunch_code") if $@; |
| 928 | } |
| 929 | |
| 930 | sub fetch_template { |
| 931 | local($mytype) = @_; |
| 932 | local($fmt); |
| 933 | local($count) = 1; |
| 934 | |
| 935 | &panic("why do you care?") unless $perl; |
| 936 | |
| 937 | if ($mytype =~ s/(\[\d+\])+$//) { |
| 938 | $count .= $1; |
| 939 | } |
| 940 | |
| 941 | if ($mytype =~ /\*/) { |
| 942 | $fmt = $template{'pointer'}; |
| 943 | } |
| 944 | elsif (defined $template{$mytype}) { |
| 945 | $fmt = $template{$mytype}; |
| 946 | } |
| 947 | elsif (defined $struct{$mytype}) { |
| 948 | if (!defined $template{&psou($mytype)}) { |
| 949 | &build_template($mytype) unless $mytype eq $name; |
| 950 | } |
| 951 | elsif ($template{&psou($mytype)} !~ /\$$/) { |
| 952 | #warn "incomplete template for $mytype\n"; |
| 953 | } |
| 954 | $fmt = $template{&psou($mytype)} || '?'; |
| 955 | } |
| 956 | else { |
| 957 | warn "unknown fmt for $mytype\n"; |
| 958 | $fmt = '?'; |
| 959 | } |
| 960 | |
| 961 | $fmt x $count . ' '; |
| 962 | } |
| 963 | |
| 964 | sub compute_intrinsics { |
| 965 | local($TMP) = "/tmp/c2ph-i.$$.c"; |
| 966 | open (TMP, ">$TMP") || die "can't open $TMP: $!"; |
| 967 | select(TMP); |
| 968 | |
| 969 | print STDERR "computing intrinsic sizes: " if $trace; |
| 970 | |
| 971 | undef %intrinsics; |
| 972 | |
| 973 | print <<'EOF'; |
| 974 | main() { |
| 975 | char *mask = "%d %s\n"; |
| 976 | EOF |
| 977 | |
| 978 | for $type (@intrinsics) { |
| 979 | next if $type eq 'void'; |
| 980 | print <<"EOF"; |
| 981 | printf(mask,sizeof($type), "$type"); |
| 982 | EOF |
| 983 | } |
| 984 | |
| 985 | print <<'EOF'; |
| 986 | printf(mask,sizeof(char *), "pointer"); |
| 987 | exit(0); |
| 988 | } |
| 989 | EOF |
| 990 | close TMP; |
| 991 | |
| 992 | select(STDOUT); |
| 993 | open(PIPE, "cd /tmp && $CC $TMP && /tmp/a.out|"); |
| 994 | while (<PIPE>) { |
| 995 | chop; |
| 996 | split(' ',$_,2);; |
| 997 | print "intrinsic $_[1] is size $_[0]\n" if $debug; |
| 998 | $sizeof{$_[1]} = $_[0]; |
| 999 | $intrinsics{$_[1]} = $template{$_[0]}; |
| 1000 | } |
| 1001 | close(PIPE) || die "couldn't read intrinsics!"; |
| 1002 | unlink($TMP, '/tmp/a.out'); |
| 1003 | print STDERR "done\n" if $trace; |
| 1004 | } |
| 1005 | |
| 1006 | sub scripts2count { |
| 1007 | local($_) = @_; |
| 1008 | |
| 1009 | s/^\[//; |
| 1010 | s/\]$//; |
| 1011 | s/\]\[/*/g; |
| 1012 | $_ = eval; |
| 1013 | &panic("$_: $@") if $@; |
| 1014 | $_; |
| 1015 | } |
| 1016 | |
| 1017 | sub system { |
| 1018 | print STDERR "@_\n" if $trace; |
| 1019 | system @_; |
| 1020 | } |
| 1021 | |
| 1022 | sub build_template { |
| 1023 | local($name) = @_; |
| 1024 | |
| 1025 | &panic("already got a template for $name") if defined $template{$name}; |
| 1026 | |
| 1027 | local($build_templates) = 1; |
| 1028 | |
| 1029 | local($lparen) = '(' x $build_recursed; |
| 1030 | local($rparen) = ')' x $build_recursed; |
| 1031 | |
| 1032 | print STDERR "$lparen$name$rparen " if $trace; |
| 1033 | $build_recursed++; |
| 1034 | &pstruct($name,$name,0); |
| 1035 | print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug; |
| 1036 | --$build_recursed; |
| 1037 | } |
| 1038 | |
| 1039 | |
| 1040 | sub panic { |
| 1041 | |
| 1042 | select(STDERR); |
| 1043 | |
| 1044 | print "\npanic: @_\n"; |
| 1045 | |
| 1046 | exit 1 if $] <= 4.003; # caller broken |
| 1047 | |
| 1048 | local($i,$_); |
| 1049 | local($p,$f,$l,$s,$h,$a,@a,@sub); |
| 1050 | for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) { |
| 1051 | @a = @DB'args; |
| 1052 | for (@a) { |
| 1053 | if (/^StB\000/ && length($_) == length($_main{'_main'})) { |
| 1054 | $_ = sprintf("%s",$_); |
| 1055 | } |
| 1056 | else { |
| 1057 | s/'/\\'/g; |
| 1058 | s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/; |
| 1059 | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg; |
| 1060 | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg; |
| 1061 | } |
| 1062 | } |
| 1063 | $w = $w ? '@ = ' : '$ = '; |
| 1064 | $a = $h ? '(' . join(', ', @a) . ')' : ''; |
| 1065 | push(@sub, "$w&$s$a from file $f line $l\n"); |
| 1066 | last if $signal; |
| 1067 | } |
| 1068 | for ($i=0; $i <= $#sub; $i++) { |
| 1069 | last if $signal; |
| 1070 | print $sub[$i]; |
| 1071 | } |
| 1072 | exit 1; |
| 1073 | } |
| 1074 | |
| 1075 | sub squishseq { |
| 1076 | local($num); |
| 1077 | local($last) = -1e8; |
| 1078 | local($string); |
| 1079 | local($seq) = '..'; |
| 1080 | |
| 1081 | while (defined($num = shift)) { |
| 1082 | if ($num == ($last + 1)) { |
| 1083 | $string .= $seq unless $inseq++; |
| 1084 | $last = $num; |
| 1085 | next; |
| 1086 | } elsif ($inseq) { |
| 1087 | $string .= $last unless $last == -1e8; |
| 1088 | } |
| 1089 | |
| 1090 | $string .= ',' if defined $string; |
| 1091 | $string .= $num; |
| 1092 | $last = $num; |
| 1093 | $inseq = 0; |
| 1094 | } |
| 1095 | $string .= $last if $inseq && $last != -e18; |
| 1096 | $string; |
| 1097 | } |
| 1098 | !NO!SUBS! |
| 1099 | $eunicefix c2ph |
| 1100 | rm -f pstruct |
| 1101 | ln c2ph pstruct |
projects / p5sagit/p5-mst-13.2.git / blame