1994-10-29 07:14:55 +00:00
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#!/usr/bin/perl
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1994-09-10 06:27:55 +00:00
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#
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#
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# c2ph (aka pstruct)
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# Tom Christiansen, <tchrist@convex.com>
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#
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# As pstruct, dump C structures as generated from 'cc -g -S' stabs.
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# As c2ph, do this PLUS generate perl code for getting at the structures.
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#
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# See the usage message for more. If this isn't enough, read the code.
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#
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1994-10-29 07:14:55 +00:00
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$RCSID = '$RCSfile: c2ph,v $$Revision: 1.1.1.1 $$Date: 1994/09/10 06:27:31 $';
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1994-09-10 06:27:55 +00:00
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######################################################################
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# some handy data definitions. many of these can be reset later.
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$bitorder = 'b'; # ascending; set to B for descending bit fields
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%intrinsics =
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%template = (
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'char', 'c',
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'unsigned char', 'C',
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'short', 's',
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'short int', 's',
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'unsigned short', 'S',
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'unsigned short int', 'S',
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'short unsigned int', 'S',
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'int', 'i',
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'unsigned int', 'I',
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'long', 'l',
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'long int', 'l',
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'unsigned long', 'L',
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'unsigned long', 'L',
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'long unsigned int', 'L',
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'unsigned long int', 'L',
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'long long', 'q',
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'long long int', 'q',
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'unsigned long long', 'Q',
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'unsigned long long int', 'Q',
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'float', 'f',
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'double', 'd',
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'pointer', 'p',
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'null', 'x',
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'neganull', 'X',
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'bit', $bitorder,
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);
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&buildscrunchlist;
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delete $intrinsics{'neganull'};
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delete $intrinsics{'bit'};
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delete $intrinsics{'null'};
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# use -s to recompute sizes
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%sizeof = (
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'char', '1',
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'unsigned char', '1',
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'short', '2',
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'short int', '2',
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'unsigned short', '2',
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'unsigned short int', '2',
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'short unsigned int', '2',
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'int', '4',
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'unsigned int', '4',
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'long', '4',
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'long int', '4',
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'unsigned long', '4',
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'unsigned long int', '4',
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'long unsigned int', '4',
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'long long', '8',
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'long long int', '8',
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'unsigned long long', '8',
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'unsigned long long int', '8',
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'float', '4',
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'double', '8',
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'pointer', '4',
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);
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($type_width, $member_width, $offset_width, $size_width) = (20, 20, 6, 5);
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($offset_fmt, $size_fmt) = ('d', 'd');
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$indent = 2;
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$CC = 'cc';
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$CFLAGS = '-g -S';
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$DEFINES = '';
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$perl++ if $0 =~ m#/?c2ph$#;
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require 'getopts.pl';
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eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;
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&Getopts('aixdpvtnws:') || &usage(0);
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$opt_d && $debug++;
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$opt_t && $trace++;
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$opt_p && $perl++;
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$opt_v && $verbose++;
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$opt_n && ($perl = 0);
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if ($opt_w) {
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($type_width, $member_width, $offset_width) = (45, 35, 8);
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}
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if ($opt_x) {
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($offset_fmt, $offset_width, $size_fmt, $size_width) = ( 'x', '08', 'x', 04 );
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}
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eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;
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sub PLUMBER {
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select(STDERR);
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print "oops, apperent pager foulup\n";
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$isatty++;
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&usage(1);
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}
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sub usage {
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local($oops) = @_;
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unless (-t STDOUT) {
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select(STDERR);
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} elsif (!$oops) {
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$isatty++;
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$| = 1;
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print "hit <RETURN> for further explanation: ";
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<STDIN>;
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open (PIPE, "|". ($ENV{PAGER} || 'more'));
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$SIG{PIPE} = PLUMBER;
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select(PIPE);
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}
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print "usage: $0 [-dpnP] [var=val] [files ...]\n";
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exit unless $isatty;
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print <<EOF;
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Options:
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-w wide; short for: type_width=45 member_width=35 offset_width=8
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-x hex; short for: offset_fmt=x offset_width=08 size_fmt=x size_width=04
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-n do not generate perl code (default when invoked as pstruct)
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-p generate perl code (default when invoked as c2ph)
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-v generate perl code, with C decls as comments
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-i do NOT recompute sizes for intrinsic datatypes
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-a dump information on intrinsics also
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-t trace execution
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-d spew reams of debugging output
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-slist give comma-separated list a structures to dump
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Var Name Default Value Meaning
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EOF
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&defvar('CC', 'which_compiler to call');
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&defvar('CFLAGS', 'how to generate *.s files with stabs');
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&defvar('DEFINES','any extra cflags or cpp defines, like -I, -D, -U');
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print "\n";
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&defvar('type_width', 'width of type field (column 1)');
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&defvar('member_width', 'width of member field (column 2)');
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&defvar('offset_width', 'width of offset field (column 3)');
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&defvar('size_width', 'width of size field (column 4)');
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print "\n";
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&defvar('offset_fmt', 'sprintf format type for offset');
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&defvar('size_fmt', 'sprintf format type for size');
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print "\n";
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&defvar('indent', 'how far to indent each nesting level');
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print <<'EOF';
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If any *.[ch] files are given, these will be catted together into
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a temporary *.c file and sent through:
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$CC $CFLAGS $DEFINES
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and the resulting *.s groped for stab information. If no files are
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supplied, then stdin is read directly with the assumption that it
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contains stab information. All other liens will be ignored. At
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most one *.s file should be supplied.
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EOF
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close PIPE;
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exit 1;
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}
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sub defvar {
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local($var, $msg) = @_;
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printf "%-16s%-15s %s\n", $var, eval "\$$var", $msg;
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}
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$recurse = 1;
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if (@ARGV) {
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if (grep(!/\.[csh]$/,@ARGV)) {
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warn "Only *.[csh] files expected!\n";
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&usage;
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}
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elsif (grep(/\.s$/,@ARGV)) {
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if (@ARGV > 1) {
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warn "Only one *.s file allowed!\n";
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&usage;
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}
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}
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elsif (@ARGV == 1 && $ARGV[0] =~ /\.c$/) {
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local($dir, $file) = $ARGV[0] =~ m#(.*/)?(.*)$#;
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$chdir = "cd $dir; " if $dir;
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&system("$chdir$CC $CFLAGS $DEFINES $file") && exit 1;
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$ARGV[0] =~ s/\.c$/.s/;
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}
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else {
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$TMP = "/tmp/c2ph.$$.c";
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&system("cat @ARGV > $TMP") && exit 1;
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&system("cd /tmp; $CC $CFLAGS $DEFINES $TMP") && exit 1;
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unlink $TMP;
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$TMP =~ s/\.c$/.s/;
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@ARGV = ($TMP);
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}
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}
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if ($opt_s) {
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for (split(/[\s,]+/, $opt_s)) {
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$interested{$_}++;
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}
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}
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$| = 1 if $debug;
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main: {
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if ($trace) {
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if (-t && !@ARGV) {
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print STDERR "reading from your keyboard: ";
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} else {
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print STDERR "reading from " . (@ARGV ? "@ARGV" : "<STDIN>").": ";
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}
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}
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STAB: while (<>) {
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if ($trace && !($. % 10)) {
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$lineno = $..'';
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print STDERR $lineno, "\b" x length($lineno);
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}
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next unless /^\s*\.stabs\s+/;
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$line = $_;
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s/^\s*\.stabs\s+//;
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&stab;
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}
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print STDERR "$.\n" if $trace;
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unlink $TMP if $TMP;
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&compute_intrinsics if $perl && !$opt_i;
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print STDERR "resolving types\n" if $trace;
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&resolve_types;
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&adjust_start_addrs;
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$sum = 2 + $type_width + $member_width;
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$pmask1 = "%-${type_width}s %-${member_width}s";
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$pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s";
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if ($perl) {
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# resolve template -- should be in stab define order, but even this isn't enough.
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print STDERR "\nbuilding type templates: " if $trace;
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for $i (reverse 0..$#type) {
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next unless defined($name = $type[$i]);
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next unless defined $struct{$name};
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$build_recursed = 0;
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&build_template($name) unless defined $template{&psou($name)} ||
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$opt_s && !$interested{$name};
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}
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print STDERR "\n\n" if $trace;
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}
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print STDERR "dumping structs: " if $trace;
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foreach $name (sort keys %struct) {
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next if $opt_s && !$interested{$name};
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print STDERR "$name " if $trace;
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undef @sizeof;
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undef @typedef;
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undef @offsetof;
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undef @indices;
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undef @typeof;
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$mname = &munge($name);
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$fname = &psou($name);
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print "# " if $perl && $verbose;
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$pcode = '';
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print "$fname {\n" if !$perl || $verbose;
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$template{$fname} = &scrunch($template{$fname}) if $perl;
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&pstruct($name,$name,0);
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print "# " if $perl && $verbose;
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print "}\n" if !$perl || $verbose;
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print "\n" if $perl && $verbose;
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if ($perl) {
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print "$pcode";
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printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name});
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print <<EOF;
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sub ${mname}'typedef {
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local(\$${mname}'index) = shift;
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defined \$${mname}'index
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? \$${mname}'typedef[\$${mname}'index]
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: \$${mname}'typedef;
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}
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EOF
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print <<EOF;
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sub ${mname}'sizeof {
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local(\$${mname}'index) = shift;
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defined \$${mname}'index
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? \$${mname}'sizeof[\$${mname}'index]
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: \$${mname}'sizeof;
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}
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EOF
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|
|
print <<EOF;
|
|
|
|
|
sub ${mname}'offsetof {
|
|
|
|
|
local(\$${mname}'index) = shift;
|
|
|
|
|
defined \$${mname}index
|
|
|
|
|
? \$${mname}'offsetof[\$${mname}'index]
|
|
|
|
|
: \$${mname}'sizeof;
|
|
|
|
|
}
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
print <<EOF;
|
|
|
|
|
sub ${mname}'typeof {
|
|
|
|
|
local(\$${mname}'index) = shift;
|
|
|
|
|
defined \$${mname}index
|
|
|
|
|
? \$${mname}'typeof[\$${mname}'index]
|
|
|
|
|
: '$name';
|
|
|
|
|
}
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
print "\$${mname}'typedef = '" . &scrunch($template{$fname})
|
|
|
|
|
. "';\n";
|
|
|
|
|
|
|
|
|
|
print "\$${mname}'sizeof = $sizeof{$name};\n\n";
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
print "\@${mname}'indices = (", &squishseq(@indices), ");\n";
|
|
|
|
|
|
|
|
|
|
print "\n";
|
|
|
|
|
|
|
|
|
|
print "\@${mname}'typedef[\@${mname}'indices] = (",
|
|
|
|
|
join("\n\t", '', @typedef), "\n );\n\n";
|
|
|
|
|
print "\@${mname}'sizeof[\@${mname}'indices] = (",
|
|
|
|
|
join("\n\t", '', @sizeof), "\n );\n\n";
|
|
|
|
|
print "\@${mname}'offsetof[\@${mname}'indices] = (",
|
|
|
|
|
join("\n\t", '', @offsetof), "\n );\n\n";
|
|
|
|
|
print "\@${mname}'typeof[\@${mname}'indices] = (",
|
|
|
|
|
join("\n\t", '', @typeof), "\n );\n\n";
|
|
|
|
|
|
|
|
|
|
$template_printed{$fname}++;
|
|
|
|
|
$size_printed{$fname}++;
|
|
|
|
|
}
|
|
|
|
|
print "\n";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print STDERR "\n" if $trace;
|
|
|
|
|
|
|
|
|
|
unless ($perl && $opt_a) {
|
|
|
|
|
print "\n1;\n";
|
|
|
|
|
exit;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
foreach $name (sort bysizevalue keys %intrinsics) {
|
|
|
|
|
next if $size_printed{$name};
|
|
|
|
|
print '$',&munge($name),"'sizeof = ", $sizeof{$name}, ";\n";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print "\n";
|
|
|
|
|
|
|
|
|
|
sub bysizevalue { $sizeof{$a} <=> $sizeof{$b}; }
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
foreach $name (sort keys %intrinsics) {
|
|
|
|
|
print '$',&munge($name),"'typedef = '", $template{$name}, "';\n";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print "\n1;\n";
|
|
|
|
|
|
|
|
|
|
exit;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
########################################################################################
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
sub stab {
|
|
|
|
|
next unless /:[\$\w]+(\(\d+,\d+\))?=[\*\$\w]+/; # (\d+,\d+) is for sun
|
|
|
|
|
s/"// || next;
|
|
|
|
|
s/",([x\d]+),([x\d]+),([x\d]+),.*// || next;
|
|
|
|
|
|
|
|
|
|
next if /^\s*$/;
|
|
|
|
|
|
|
|
|
|
$size = $3 if $3;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$line = $_;
|
|
|
|
|
|
|
|
|
|
if (($name, $pdecl) = /^([\$ \w]+):[tT]((\d+)(=[rufs*](\d+))+)$/) {
|
|
|
|
|
print "$name is a typedef for some funky pointers: $pdecl\n" if $debug;
|
|
|
|
|
&pdecl($pdecl);
|
|
|
|
|
next;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (/(([ \w]+):t(\d+|\(\d+,\d+\)))=r?(\d+|\(\d+,\d+\))(;\d+;\d+;)?/) {
|
|
|
|
|
local($ident) = $2;
|
|
|
|
|
push(@intrinsics, $ident);
|
|
|
|
|
$typeno = &typeno($3);
|
|
|
|
|
$type[$typeno] = $ident;
|
|
|
|
|
print STDERR "intrinsic $ident in new type $typeno\n" if $debug;
|
|
|
|
|
next;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (($name, $typeordef, $typeno, $extra, $struct, $_)
|
|
|
|
|
= /^([\$ \w]+):([ustT])(\d+|\(\d+,\d+\))(=[rufs*](\d+))?(.*)$/)
|
|
|
|
|
{
|
|
|
|
|
$typeno = &typeno($typeno); # sun foolery
|
|
|
|
|
}
|
|
|
|
|
elsif (/^[\$\w]+:/) {
|
|
|
|
|
next; # variable
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
warn "can't grok stab: <$_> in: $line " if $_;
|
|
|
|
|
next;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#warn "got size $size for $name\n";
|
|
|
|
|
$sizeof{$name} = $size if $size;
|
|
|
|
|
|
|
|
|
|
s/;[-\d]*;[-\d]*;$//; # we don't care about ranges
|
|
|
|
|
|
|
|
|
|
$typenos{$name} = $typeno;
|
|
|
|
|
|
|
|
|
|
unless (defined $type[$typeno]) {
|
|
|
|
|
&panic("type 0??") unless $typeno;
|
|
|
|
|
$type[$typeno] = $name unless defined $type[$typeno];
|
|
|
|
|
printf "new type $typeno is $name" if $debug;
|
|
|
|
|
if ($extra =~ /\*/ && defined $type[$struct]) {
|
|
|
|
|
print ", a typedef for a pointer to " , $type[$struct] if $debug;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
printf "%s is type %d", $name, $typeno if $debug;
|
|
|
|
|
print ", a typedef for " , $type[$typeno] if $debug;
|
|
|
|
|
}
|
|
|
|
|
print "\n" if $debug;
|
|
|
|
|
#next unless $extra =~ /[su*]/;
|
|
|
|
|
|
|
|
|
|
#$type[$struct] = $name;
|
|
|
|
|
|
|
|
|
|
if ($extra =~ /[us*]/) {
|
|
|
|
|
&sou($name, $extra);
|
|
|
|
|
$_ = &sdecl($name, $_, 0);
|
|
|
|
|
}
|
|
|
|
|
elsif (/^=ar/) {
|
|
|
|
|
print "it's a bare array typedef -- that's pretty sick\n" if $debug;
|
|
|
|
|
$_ = "$typeno$_";
|
|
|
|
|
$scripts = '';
|
|
|
|
|
$_ = &adecl($_,1);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
elsif (s/((\w+):t(\d+|\(\d+,\d+\)))?=r?(;\d+;\d+;)?//) { # the ?'s are for gcc
|
|
|
|
|
push(@intrinsics, $2);
|
|
|
|
|
$typeno = &typeno($3);
|
|
|
|
|
$type[$typeno] = $2;
|
|
|
|
|
print STDERR "intrinsic $2 in new type $typeno\n" if $debug;
|
|
|
|
|
}
|
|
|
|
|
elsif (s/^=e//) { # blessed by thy compiler; mine won't do this
|
|
|
|
|
&edecl;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
warn "Funny remainder for $name on line $_ left in $line " if $_;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub typeno { # sun thinks types are (0,27) instead of just 27
|
|
|
|
|
local($_) = @_;
|
|
|
|
|
s/\(\d+,(\d+)\)/$1/;
|
|
|
|
|
$_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub pstruct {
|
|
|
|
|
local($what,$prefix,$base) = @_;
|
|
|
|
|
local($field, $fieldname, $typeno, $count, $offset, $entry);
|
|
|
|
|
local($fieldtype);
|
|
|
|
|
local($type, $tname);
|
|
|
|
|
local($mytype, $mycount, $entry2);
|
|
|
|
|
local($struct_count) = 0;
|
|
|
|
|
local($pad, $revpad, $length, $prepad, $lastoffset, $lastlength, $fmt);
|
|
|
|
|
local($bits,$bytes);
|
|
|
|
|
local($template);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
local($mname) = &munge($name);
|
|
|
|
|
|
|
|
|
|
sub munge {
|
|
|
|
|
local($_) = @_;
|
|
|
|
|
s/[\s\$\.]/_/g;
|
|
|
|
|
$_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
local($sname) = &psou($what);
|
|
|
|
|
|
|
|
|
|
$nesting++;
|
|
|
|
|
|
|
|
|
|
for $field (split(/;/, $struct{$what})) {
|
|
|
|
|
$pad = $prepad = 0;
|
|
|
|
|
$entry = '';
|
|
|
|
|
($fieldname, $typeno, $count, $offset, $length) = split(/,/, $field);
|
|
|
|
|
|
|
|
|
|
$type = $type[$typeno];
|
|
|
|
|
|
|
|
|
|
$type =~ /([^[]*)(\[.*\])?/;
|
|
|
|
|
$mytype = $1;
|
|
|
|
|
$count .= $2;
|
|
|
|
|
$fieldtype = &psou($mytype);
|
|
|
|
|
|
|
|
|
|
local($fname) = &psou($name);
|
|
|
|
|
|
|
|
|
|
if ($build_templates) {
|
|
|
|
|
|
|
|
|
|
$pad = ($offset - ($lastoffset + $lastlength))/8
|
|
|
|
|
if defined $lastoffset;
|
|
|
|
|
|
|
|
|
|
if (! $finished_template{$sname}) {
|
|
|
|
|
if ($isaunion{$what}) {
|
|
|
|
|
$template{$sname} .= 'X' x $revpad . ' ' if $revpad;
|
|
|
|
|
} else {
|
|
|
|
|
$template{$sname} .= 'x' x $pad . ' ' if $pad;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$template = &fetch_template($type) x
|
|
|
|
|
($count ? &scripts2count($count) : 1);
|
|
|
|
|
|
|
|
|
|
if (! $finished_template{$sname}) {
|
|
|
|
|
$template{$sname} .= $template;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$revpad = $length/8 if $isaunion{$what};
|
|
|
|
|
|
|
|
|
|
($lastoffset, $lastlength) = ($offset, $length);
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
print '# ' if $perl && $verbose;
|
|
|
|
|
$entry = sprintf($pmask1,
|
|
|
|
|
' ' x ($nesting * $indent) . $fieldtype,
|
|
|
|
|
"$prefix.$fieldname" . $count);
|
|
|
|
|
|
|
|
|
|
$entry =~ s/(\*+)( )/$2$1/;
|
|
|
|
|
|
|
|
|
|
printf $pmask2,
|
|
|
|
|
$entry,
|
|
|
|
|
($base+$offset)/8,
|
|
|
|
|
($bits = ($base+$offset)%8) ? ".$bits" : " ",
|
|
|
|
|
$length/8,
|
|
|
|
|
($bits = $length % 8) ? ".$bits": ""
|
|
|
|
|
if !$perl || $verbose;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if ($perl && $nesting == 1) {
|
|
|
|
|
$template = &scrunch(&fetch_template($type) x
|
|
|
|
|
($count ? &scripts2count($count) : 1));
|
|
|
|
|
push(@sizeof, int($length/8) .",\t# $fieldname");
|
|
|
|
|
push(@offsetof, int($offset/8) .",\t# $fieldname");
|
|
|
|
|
push(@typedef, "'$template', \t# $fieldname");
|
|
|
|
|
$type =~ s/(struct|union) //;
|
|
|
|
|
push(@typeof, "'$type" . ($count ? $count : '') .
|
|
|
|
|
"',\t# $fieldname");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print ' ', ' ' x $indent x $nesting, $template
|
|
|
|
|
if $perl && $verbose;
|
|
|
|
|
|
|
|
|
|
print "\n" if !$perl || $verbose;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
if ($perl) {
|
|
|
|
|
local($mycount) = defined $struct{$mytype} ? $countof{$mytype} : 1;
|
|
|
|
|
$mycount *= &scripts2count($count) if $count;
|
|
|
|
|
if ($nesting==1 && !$build_templates) {
|
|
|
|
|
$pcode .= sprintf("sub %-32s { %4d; }\n",
|
|
|
|
|
"${mname}'${fieldname}", $struct_count);
|
|
|
|
|
push(@indices, $struct_count);
|
|
|
|
|
}
|
|
|
|
|
$struct_count += $mycount;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
&pstruct($type, "$prefix.$fieldname", $base+$offset)
|
|
|
|
|
if $recurse && defined $struct{$type};
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$countof{$what} = $struct_count unless defined $countof{$whati};
|
|
|
|
|
|
|
|
|
|
$template{$sname} .= '$' if $build_templates;
|
|
|
|
|
$finished_template{$sname}++;
|
|
|
|
|
|
|
|
|
|
if ($build_templates && !defined $sizeof{$name}) {
|
|
|
|
|
local($fmt) = &scrunch($template{$sname});
|
|
|
|
|
print STDERR "no size for $name, punting with $fmt..." if $debug;
|
|
|
|
|
eval '$sizeof{$name} = length(pack($fmt, ()))';
|
|
|
|
|
if ($@) {
|
|
|
|
|
chop $@;
|
|
|
|
|
warn "couldn't get size for \$name: $@";
|
|
|
|
|
} else {
|
|
|
|
|
print STDERR $sizeof{$name}, "\n" if $debUg;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
--$nesting;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
sub psize {
|
|
|
|
|
local($me) = @_;
|
|
|
|
|
local($amstruct) = $struct{$me} ? 'struct ' : '';
|
|
|
|
|
|
|
|
|
|
print '$sizeof{\'', $amstruct, $me, '\'} = ';
|
|
|
|
|
printf "%d;\n", $sizeof{$me};
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub pdecl {
|
|
|
|
|
local($pdecl) = @_;
|
|
|
|
|
local(@pdecls);
|
|
|
|
|
local($tname);
|
|
|
|
|
|
|
|
|
|
warn "pdecl: $pdecl\n" if $debug;
|
|
|
|
|
|
|
|
|
|
$pdecl =~ s/\(\d+,(\d+)\)/$1/g;
|
|
|
|
|
$pdecl =~ s/\*//g;
|
|
|
|
|
@pdecls = split(/=/, $pdecl);
|
|
|
|
|
$typeno = $pdecls[0];
|
|
|
|
|
$tname = pop @pdecls;
|
|
|
|
|
|
|
|
|
|
if ($tname =~ s/^f//) { $tname = "$tname&"; }
|
|
|
|
|
#else { $tname = "$tname*"; }
|
|
|
|
|
|
|
|
|
|
for (reverse @pdecls) {
|
|
|
|
|
$tname .= s/^f// ? "&" : "*";
|
|
|
|
|
#$tname =~ s/^f(.*)/$1&/;
|
|
|
|
|
print "type[$_] is $tname\n" if $debug;
|
|
|
|
|
$type[$_] = $tname unless defined $type[$_];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
sub adecl {
|
|
|
|
|
($arraytype, $unknown, $lower, $upper) = ();
|
|
|
|
|
#local($typeno);
|
|
|
|
|
# global $typeno, @type
|
|
|
|
|
local($_, $typedef) = @_;
|
|
|
|
|
|
|
|
|
|
while (s/^((\d+)=)?ar(\d+);//) {
|
|
|
|
|
($arraytype, $unknown) = ($2, $3);
|
|
|
|
|
if (s/^(\d+);(\d+);//) {
|
|
|
|
|
($lower, $upper) = ($1, $2);
|
|
|
|
|
$scripts .= '[' . ($upper+1) . ']';
|
|
|
|
|
} else {
|
|
|
|
|
warn "can't find array bounds: $_";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (s/^([\d*f=]*),(\d+),(\d+);//) {
|
|
|
|
|
($start, $length) = ($2, $3);
|
|
|
|
|
local($whatis) = $1;
|
|
|
|
|
if ($whatis =~ /^(\d+)=/) {
|
|
|
|
|
$typeno = $1;
|
|
|
|
|
&pdecl($whatis);
|
|
|
|
|
} else {
|
|
|
|
|
$typeno = $whatis;
|
|
|
|
|
}
|
|
|
|
|
} elsif (s/^(\d+)(=[*suf]\d*)//) {
|
|
|
|
|
local($whatis) = $2;
|
|
|
|
|
|
|
|
|
|
if ($whatis =~ /[f*]/) {
|
|
|
|
|
&pdecl($whatis);
|
|
|
|
|
} elsif ($whatis =~ /[su]/) { #
|
|
|
|
|
print "$prefix.$fieldname is an array$scripts anon structs; disgusting\n"
|
|
|
|
|
if $debug;
|
|
|
|
|
#$type[$typeno] = $name unless defined $type[$typeno];
|
|
|
|
|
##printf "new type $typeno is $name" if $debug;
|
|
|
|
|
$typeno = $1;
|
|
|
|
|
$type[$typeno] = "$prefix.$fieldname";
|
|
|
|
|
local($name) = $type[$typeno];
|
|
|
|
|
&sou($name, $whatis);
|
|
|
|
|
$_ = &sdecl($name, $_, $start+$offset);
|
|
|
|
|
1;
|
|
|
|
|
$start = $start{$name};
|
|
|
|
|
$offset = $sizeof{$name};
|
|
|
|
|
$length = $offset;
|
|
|
|
|
} else {
|
|
|
|
|
warn "what's this? $whatis in $line ";
|
|
|
|
|
}
|
|
|
|
|
} elsif (/^\d+$/) {
|
|
|
|
|
$typeno = $_;
|
|
|
|
|
} else {
|
|
|
|
|
warn "bad array stab: $_ in $line ";
|
|
|
|
|
next STAB;
|
|
|
|
|
}
|
|
|
|
|
#local($wasdef) = defined($type[$typeno]) && $debug;
|
|
|
|
|
#if ($typedef) {
|
|
|
|
|
#print "redefining $type[$typeno] to " if $wasdef;
|
|
|
|
|
#$type[$typeno] = "$whatis$scripts"; # unless defined $type[$typeno];
|
|
|
|
|
#print "$type[$typeno]\n" if $wasdef;
|
|
|
|
|
#} else {
|
|
|
|
|
#$type[$arraytype] = $type[$typeno] unless defined $type[$arraytype];
|
|
|
|
|
#}
|
|
|
|
|
$type[$arraytype] = "$type[$typeno]$scripts" if defined $type[$typeno];
|
|
|
|
|
print "type[$arraytype] is $type[$arraytype]\n" if $debug;
|
|
|
|
|
print "$prefix.$fieldname is an array of $type[$arraytype]\n" if $debug;
|
|
|
|
|
$_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
sub sdecl {
|
|
|
|
|
local($prefix, $_, $offset) = @_;
|
|
|
|
|
|
|
|
|
|
local($fieldname, $scripts, $type, $arraytype, $unknown,
|
|
|
|
|
$whatis, $pdecl, $upper,$lower, $start,$length) = ();
|
|
|
|
|
local($typeno,$sou);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SFIELD:
|
|
|
|
|
while (/^([^;]+);/) {
|
|
|
|
|
$scripts = '';
|
|
|
|
|
warn "sdecl $_\n" if $debug;
|
|
|
|
|
if (s/^([\$\w]+)://) {
|
|
|
|
|
$fieldname = $1;
|
|
|
|
|
} elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { #
|
|
|
|
|
$typeno = &typeno($1);
|
|
|
|
|
$type[$typeno] = "$prefix.$fieldname";
|
|
|
|
|
local($name) = "$prefix.$fieldname";
|
|
|
|
|
&sou($name,$2);
|
|
|
|
|
$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset);
|
|
|
|
|
$start = $start{$name};
|
|
|
|
|
$offset += $sizeof{$name};
|
|
|
|
|
#print "done with anon, start is $start, offset is $offset\n";
|
|
|
|
|
#next SFIELD;
|
|
|
|
|
} else {
|
|
|
|
|
warn "weird field $_ of $line" if $debug;
|
|
|
|
|
next STAB;
|
|
|
|
|
#$fieldname = &gensym;
|
|
|
|
|
#$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (/^\d+=ar/) {
|
|
|
|
|
$_ = &adecl($_);
|
|
|
|
|
}
|
|
|
|
|
elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) {
|
|
|
|
|
($start, $length) = ($2, $3);
|
|
|
|
|
&panic("no length?") unless $length;
|
|
|
|
|
$typeno = &typeno($1) if $1;
|
|
|
|
|
}
|
|
|
|
|
elsif (s/^((\d+|\(\d+,\d+\))(=[*f](\d+|\(\d+,\d+\)))+),(\d+),(\d+);//) {
|
|
|
|
|
($pdecl, $start, $length) = ($1,$5,$6);
|
|
|
|
|
&pdecl($pdecl);
|
|
|
|
|
}
|
|
|
|
|
elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # the dratted anon struct
|
|
|
|
|
($typeno, $sou) = ($1, $2);
|
|
|
|
|
$typeno = &typeno($typeno);
|
|
|
|
|
if (defined($type[$typeno])) {
|
|
|
|
|
warn "now how did we get type $1 in $fieldname of $line?";
|
|
|
|
|
} else {
|
|
|
|
|
print "anon type $typeno is $prefix.$fieldname\n" if $debug;
|
|
|
|
|
$type[$typeno] = "$prefix.$fieldname" unless defined $type[$typeno];
|
|
|
|
|
};
|
|
|
|
|
local($name) = "$prefix.$fieldname";
|
|
|
|
|
&sou($name,$sou);
|
|
|
|
|
print "anon ".($isastruct{$name}) ? "struct":"union"." for $prefix.$fieldname\n" if $debug;
|
|
|
|
|
$type[$typeno] = "$prefix.$fieldname";
|
|
|
|
|
$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset);
|
|
|
|
|
$start = $start{$name};
|
|
|
|
|
$length = $sizeof{$name};
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
warn "can't grok stab for $name ($_) in line $line ";
|
|
|
|
|
next STAB;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
&panic("no length for $prefix.$fieldname") unless $length;
|
|
|
|
|
$struct{$name} .= join(',', $fieldname, $typeno, $scripts, $start, $length) . ';';
|
|
|
|
|
}
|
|
|
|
|
if (s/;\d*,(\d+),(\d+);//) {
|
|
|
|
|
local($start, $size) = ($1, $2);
|
|
|
|
|
$sizeof{$prefix} = $size;
|
|
|
|
|
print "start of $prefix is $start, size of $sizeof{$prefix}\n" if $debug;
|
|
|
|
|
$start{$prefix} = $start;
|
|
|
|
|
}
|
|
|
|
|
$_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub edecl {
|
|
|
|
|
s/;$//;
|
|
|
|
|
$enum{$name} = $_;
|
|
|
|
|
$_ = '';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub resolve_types {
|
|
|
|
|
local($sou);
|
|
|
|
|
for $i (0 .. $#type) {
|
|
|
|
|
next unless defined $type[$i];
|
|
|
|
|
$_ = $type[$i];
|
|
|
|
|
unless (/\d/) {
|
|
|
|
|
print "type[$i] $type[$i]\n" if $debug;
|
|
|
|
|
next;
|
|
|
|
|
}
|
|
|
|
|
print "type[$i] $_ ==> " if $debug;
|
|
|
|
|
s/^(\d+)(\**)\&\*(\**)/"$2($3".&type($1) . ')()'/e;
|
|
|
|
|
s/^(\d+)\&/&type($1)/e;
|
|
|
|
|
s/^(\d+)/&type($1)/e;
|
|
|
|
|
s/(\*+)([^*]+)(\*+)/$1$3$2/;
|
|
|
|
|
s/\((\*+)(\w+)(\*+)\)/$3($1$2)/;
|
|
|
|
|
s/^(\d+)([\*\[].*)/&type($1).$2/e;
|
|
|
|
|
#s/(\d+)(\*|(\[[\[\]\d\*]+]\])+)/&type($1).$2/ge;
|
|
|
|
|
$type[$i] = $_;
|
|
|
|
|
print "$_\n" if $debug;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
sub type { &psou($type[$_[0]] || "<UNDEFINED>"); }
|
|
|
|
|
|
|
|
|
|
sub adjust_start_addrs {
|
|
|
|
|
for (sort keys %start) {
|
|
|
|
|
($basename = $_) =~ s/\.[^.]+$//;
|
|
|
|
|
$start{$_} += $start{$basename};
|
|
|
|
|
print "start: $_ @ $start{$_}\n" if $debug;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub sou {
|
|
|
|
|
local($what, $_) = @_;
|
|
|
|
|
/u/ && $isaunion{$what}++;
|
|
|
|
|
/s/ && $isastruct{$what}++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub psou {
|
|
|
|
|
local($what) = @_;
|
|
|
|
|
local($prefix) = '';
|
|
|
|
|
if ($isaunion{$what}) {
|
|
|
|
|
$prefix = 'union ';
|
|
|
|
|
} elsif ($isastruct{$what}) {
|
|
|
|
|
$prefix = 'struct ';
|
|
|
|
|
}
|
|
|
|
|
$prefix . $what;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub scrunch {
|
|
|
|
|
local($_) = @_;
|
|
|
|
|
|
|
|
|
|
study;
|
|
|
|
|
|
|
|
|
|
s/\$//g;
|
|
|
|
|
s/ / /g;
|
|
|
|
|
1 while s/(\w) \1/$1$1/g;
|
|
|
|
|
|
|
|
|
|
# i wanna say this, but perl resists my efforts:
|
|
|
|
|
# s/(\w)(\1+)/$2 . length($1)/ge;
|
|
|
|
|
|
|
|
|
|
&quick_scrunch;
|
|
|
|
|
|
|
|
|
|
s/ $//;
|
|
|
|
|
|
|
|
|
|
$_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub buildscrunchlist {
|
|
|
|
|
$scrunch_code = "sub quick_scrunch {\n";
|
|
|
|
|
for (values %intrinsics) {
|
|
|
|
|
$scrunch_code .= "\ts/($_{2,})/'$_' . length(\$1)/ge;\n";
|
|
|
|
|
}
|
|
|
|
|
$scrunch_code .= "}\n";
|
|
|
|
|
print "$scrunch_code" if $debug;
|
|
|
|
|
eval $scrunch_code;
|
|
|
|
|
&panic("can't eval scrunch_code $@ \nscrunch_code") if $@;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub fetch_template {
|
|
|
|
|
local($mytype) = @_;
|
|
|
|
|
local($fmt);
|
|
|
|
|
local($count) = 1;
|
|
|
|
|
|
|
|
|
|
&panic("why do you care?") unless $perl;
|
|
|
|
|
|
|
|
|
|
if ($mytype =~ s/(\[\d+\])+$//) {
|
|
|
|
|
$count .= $1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ($mytype =~ /\*/) {
|
|
|
|
|
$fmt = $template{'pointer'};
|
|
|
|
|
}
|
|
|
|
|
elsif (defined $template{$mytype}) {
|
|
|
|
|
$fmt = $template{$mytype};
|
|
|
|
|
}
|
|
|
|
|
elsif (defined $struct{$mytype}) {
|
|
|
|
|
if (!defined $template{&psou($mytype)}) {
|
|
|
|
|
&build_template($mytype) unless $mytype eq $name;
|
|
|
|
|
}
|
|
|
|
|
elsif ($template{&psou($mytype)} !~ /\$$/) {
|
|
|
|
|
#warn "incomplete template for $mytype\n";
|
|
|
|
|
}
|
|
|
|
|
$fmt = $template{&psou($mytype)} || '?';
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
warn "unknown fmt for $mytype\n";
|
|
|
|
|
$fmt = '?';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$fmt x $count . ' ';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub compute_intrinsics {
|
|
|
|
|
local($TMP) = "/tmp/c2ph-i.$$.c";
|
|
|
|
|
open (TMP, ">$TMP") || die "can't open $TMP: $!";
|
|
|
|
|
select(TMP);
|
|
|
|
|
|
|
|
|
|
print STDERR "computing intrinsic sizes: " if $trace;
|
|
|
|
|
|
|
|
|
|
undef %intrinsics;
|
|
|
|
|
|
|
|
|
|
print <<'EOF';
|
|
|
|
|
main() {
|
|
|
|
|
char *mask = "%d %s\n";
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
for $type (@intrinsics) {
|
|
|
|
|
next if $type eq 'void';
|
|
|
|
|
print <<"EOF";
|
|
|
|
|
printf(mask,sizeof($type), "$type");
|
|
|
|
|
EOF
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print <<'EOF';
|
|
|
|
|
printf(mask,sizeof(char *), "pointer");
|
|
|
|
|
exit(0);
|
|
|
|
|
}
|
|
|
|
|
EOF
|
|
|
|
|
close TMP;
|
|
|
|
|
|
|
|
|
|
select(STDOUT);
|
|
|
|
|
open(PIPE, "cd /tmp && $CC $TMP && /tmp/a.out|");
|
|
|
|
|
while (<PIPE>) {
|
|
|
|
|
chop;
|
|
|
|
|
split(' ',$_,2);;
|
|
|
|
|
print "intrinsic $_[1] is size $_[0]\n" if $debug;
|
|
|
|
|
$sizeof{$_[1]} = $_[0];
|
|
|
|
|
$intrinsics{$_[1]} = $template{$_[0]};
|
|
|
|
|
}
|
|
|
|
|
close(PIPE) || die "couldn't read intrinsics!";
|
|
|
|
|
unlink($TMP, '/tmp/a.out');
|
|
|
|
|
print STDERR "done\n" if $trace;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub scripts2count {
|
|
|
|
|
local($_) = @_;
|
|
|
|
|
|
|
|
|
|
s/^\[//;
|
|
|
|
|
s/\]$//;
|
|
|
|
|
s/\]\[/*/g;
|
|
|
|
|
$_ = eval;
|
|
|
|
|
&panic("$_: $@") if $@;
|
|
|
|
|
$_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub system {
|
|
|
|
|
print STDERR "@_\n" if $trace;
|
|
|
|
|
system @_;
|
|
|
|
|
}
|
|
|
|
|
|
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sub build_template {
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local($name) = @_;
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&panic("already got a template for $name") if defined $template{$name};
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local($build_templates) = 1;
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local($lparen) = '(' x $build_recursed;
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local($rparen) = ')' x $build_recursed;
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print STDERR "$lparen$name$rparen " if $trace;
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$build_recursed++;
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&pstruct($name,$name,0);
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print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug;
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--$build_recursed;
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}
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sub panic {
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select(STDERR);
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print "\npanic: @_\n";
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exit 1 if $] <= 4.003; # caller broken
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local($i,$_);
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local($p,$f,$l,$s,$h,$a,@a,@sub);
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for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) {
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@a = @DB'args;
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for (@a) {
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if (/^StB\000/ && length($_) == length($_main{'_main'})) {
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$_ = sprintf("%s",$_);
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}
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else {
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s/'/\\'/g;
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s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/;
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s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg;
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s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg;
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}
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}
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$w = $w ? '@ = ' : '$ = ';
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$a = $h ? '(' . join(', ', @a) . ')' : '';
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push(@sub, "$w&$s$a from file $f line $l\n");
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last if $signal;
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}
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for ($i=0; $i <= $#sub; $i++) {
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last if $signal;
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print $sub[$i];
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}
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exit 1;
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}
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sub squishseq {
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local($num);
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local($last) = -1e8;
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local($string);
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local($seq) = '..';
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while (defined($num = shift)) {
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if ($num == ($last + 1)) {
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$string .= $seq unless $inseq++;
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$last = $num;
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next;
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} elsif ($inseq) {
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|
|
$string .= $last unless $last == -1e8;
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}
|
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|
|
$string .= ',' if defined $string;
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|
|
$string .= $num;
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|
|
$last = $num;
|
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|
|
$inseq = 0;
|
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|
|
}
|
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|
|
$string .= $last if $inseq && $last != -e18;
|
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|
|
$string;
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|
}
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