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-rw-r--r--contrib/perl5/utils/c2ph.PL1403
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diff --git a/contrib/perl5/utils/c2ph.PL b/contrib/perl5/utils/c2ph.PL
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--- a/contrib/perl5/utils/c2ph.PL
+++ /dev/null
@@ -1,1403 +0,0 @@
-#!/usr/local/bin/perl
-
-use Config;
-use File::Basename qw(&basename &dirname);
-use Cwd;
-
-# List explicitly here the variables you want Configure to
-# generate. Metaconfig only looks for shell variables, so you
-# have to mention them as if they were shell variables, not
-# %Config entries. Thus you write
-# $startperl
-# to ensure Configure will look for $Config{startperl}.
-
-# This forces PL files to create target in same directory as PL file.
-# This is so that make depend always knows where to find PL derivatives.
-$origdir = cwd;
-chdir dirname($0);
-$file = basename($0, '.PL');
-$file .= '.com' if $^O eq 'VMS';
-
-open OUT,">$file" or die "Can't create $file: $!";
-
-print "Extracting $file (with variable substitutions)\n";
-
-# In this section, perl variables will be expanded during extraction.
-# You can use $Config{...} to use Configure variables.
-
-print OUT <<"!GROK!THIS!";
-$Config{startperl}
- eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
- if \$running_under_some_shell;
-!GROK!THIS!
-
-# In the following, perl variables are not expanded during extraction.
-
-print OUT <<'!NO!SUBS!';
-#
-#
-# c2ph (aka pstruct)
-# Tom Christiansen, <tchrist@convex.com>
-#
-# As pstruct, dump C structures as generated from 'cc -g -S' stabs.
-# As c2ph, do this PLUS generate perl code for getting at the structures.
-#
-# See the usage message for more. If this isn't enough, read the code.
-#
-
-=head1 NAME
-
-c2ph, pstruct - Dump C structures as generated from C<cc -g -S> stabs
-
-=head1 SYNOPSIS
-
- c2ph [-dpnP] [var=val] [files ...]
-
-=head2 OPTIONS
-
- Options:
-
- -w wide; short for: type_width=45 member_width=35 offset_width=8
- -x hex; short for: offset_fmt=x offset_width=08 size_fmt=x size_width=04
-
- -n do not generate perl code (default when invoked as pstruct)
- -p generate perl code (default when invoked as c2ph)
- -v generate perl code, with C decls as comments
-
- -i do NOT recompute sizes for intrinsic datatypes
- -a dump information on intrinsics also
-
- -t trace execution
- -d spew reams of debugging output
-
- -slist give comma-separated list a structures to dump
-
-=head1 DESCRIPTION
-
-The following is the old c2ph.doc documentation by Tom Christiansen
-<tchrist@perl.com>
-Date: 25 Jul 91 08:10:21 GMT
-
-Once upon a time, I wrote a program called pstruct. It was a perl
-program that tried to parse out C structures and display their member
-offsets for you. This was especially useful for people looking at
-binary dumps or poking around the kernel.
-
-Pstruct was not a pretty program. Neither was it particularly robust.
-The problem, you see, was that the C compiler was much better at parsing
-C than I could ever hope to be.
-
-So I got smart: I decided to be lazy and let the C compiler parse the C,
-which would spit out debugger stabs for me to read. These were much
-easier to parse. It's still not a pretty program, but at least it's more
-robust.
-
-Pstruct takes any .c or .h files, or preferably .s ones, since that's
-the format it is going to massage them into anyway, and spits out
-listings like this:
-
- struct tty {
- int tty.t_locker 000 4
- int tty.t_mutex_index 004 4
- struct tty * tty.t_tp_virt 008 4
- struct clist tty.t_rawq 00c 20
- int tty.t_rawq.c_cc 00c 4
- int tty.t_rawq.c_cmax 010 4
- int tty.t_rawq.c_cfx 014 4
- int tty.t_rawq.c_clx 018 4
- struct tty * tty.t_rawq.c_tp_cpu 01c 4
- struct tty * tty.t_rawq.c_tp_iop 020 4
- unsigned char * tty.t_rawq.c_buf_cpu 024 4
- unsigned char * tty.t_rawq.c_buf_iop 028 4
- struct clist tty.t_canq 02c 20
- int tty.t_canq.c_cc 02c 4
- int tty.t_canq.c_cmax 030 4
- int tty.t_canq.c_cfx 034 4
- int tty.t_canq.c_clx 038 4
- struct tty * tty.t_canq.c_tp_cpu 03c 4
- struct tty * tty.t_canq.c_tp_iop 040 4
- unsigned char * tty.t_canq.c_buf_cpu 044 4
- unsigned char * tty.t_canq.c_buf_iop 048 4
- struct clist tty.t_outq 04c 20
- int tty.t_outq.c_cc 04c 4
- int tty.t_outq.c_cmax 050 4
- int tty.t_outq.c_cfx 054 4
- int tty.t_outq.c_clx 058 4
- struct tty * tty.t_outq.c_tp_cpu 05c 4
- struct tty * tty.t_outq.c_tp_iop 060 4
- unsigned char * tty.t_outq.c_buf_cpu 064 4
- unsigned char * tty.t_outq.c_buf_iop 068 4
- (*int)() tty.t_oproc_cpu 06c 4
- (*int)() tty.t_oproc_iop 070 4
- (*int)() tty.t_stopproc_cpu 074 4
- (*int)() tty.t_stopproc_iop 078 4
- struct thread * tty.t_rsel 07c 4
-
-etc.
-
-
-Actually, this was generated by a particular set of options. You can control
-the formatting of each column, whether you prefer wide or fat, hex or decimal,
-leading zeroes or whatever.
-
-All you need to be able to use this is a C compiler than generates
-BSD/GCC-style stabs. The B<-g> option on native BSD compilers and GCC
-should get this for you.
-
-To learn more, just type a bogus option, like B<-\?>, and a long usage message
-will be provided. There are a fair number of possibilities.
-
-If you're only a C programmer, than this is the end of the message for you.
-You can quit right now, and if you care to, save off the source and run it
-when you feel like it. Or not.
-
-
-
-But if you're a perl programmer, then for you I have something much more
-wondrous than just a structure offset printer.
-
-You see, if you call pstruct by its other incybernation, c2ph, you have a code
-generator that translates C code into perl code! Well, structure and union
-declarations at least, but that's quite a bit.
-
-Prior to this point, anyone programming in perl who wanted to interact
-with C programs, like the kernel, was forced to guess the layouts of
-the C strutures, and then hardwire these into his program. Of course,
-when you took your wonderfully crafted program to a system where the
-sgtty structure was laid out differently, you program broke. Which is
-a shame.
-
-We've had Larry's h2ph translator, which helped, but that only works on
-cpp symbols, not real C, which was also very much needed. What I offer
-you is a symbolic way of getting at all the C structures. I've couched
-them in terms of packages and functions. Consider the following program:
-
- #!/usr/local/bin/perl
-
- require 'syscall.ph';
- require 'sys/time.ph';
- require 'sys/resource.ph';
-
- $ru = "\0" x &rusage'sizeof();
-
- syscall(&SYS_getrusage, &RUSAGE_SELF, $ru) && die "getrusage: $!";
-
- @ru = unpack($t = &rusage'typedef(), $ru);
-
- $utime = $ru[ &rusage'ru_utime + &timeval'tv_sec ]
- + ($ru[ &rusage'ru_utime + &timeval'tv_usec ]) / 1e6;
-
- $stime = $ru[ &rusage'ru_stime + &timeval'tv_sec ]
- + ($ru[ &rusage'ru_stime + &timeval'tv_usec ]) / 1e6;
-
- printf "you have used %8.3fs+%8.3fu seconds.\n", $utime, $stime;
-
-
-As you see, the name of the package is the name of the structure. Regular
-fields are just their own names. Plus the following accessor functions are
-provided for your convenience:
-
- struct This takes no arguments, and is merely the number of first-level
- elements in the structure. You would use this for indexing
- into arrays of structures, perhaps like this
-
-
- $usec = $u[ &user'u_utimer
- + (&ITIMER_VIRTUAL * &itimerval'struct)
- + &itimerval'it_value
- + &timeval'tv_usec
- ];
-
- sizeof Returns the bytes in the structure, or the member if
- you pass it an argument, such as
-
- &rusage'sizeof(&rusage'ru_utime)
-
- typedef This is the perl format definition for passing to pack and
- unpack. If you ask for the typedef of a nothing, you get
- the whole structure, otherwise you get that of the member
- you ask for. Padding is taken care of, as is the magic to
- guarantee that a union is unpacked into all its aliases.
- Bitfields are not quite yet supported however.
-
- offsetof This function is the byte offset into the array of that
- member. You may wish to use this for indexing directly
- into the packed structure with vec() if you're too lazy
- to unpack it.
-
- typeof Not to be confused with the typedef accessor function, this
- one returns the C type of that field. This would allow
- you to print out a nice structured pretty print of some
- structure without knoning anything about it beforehand.
- No args to this one is a noop. Someday I'll post such
- a thing to dump out your u structure for you.
-
-
-The way I see this being used is like basically this:
-
- % h2ph <some_include_file.h > /usr/lib/perl/tmp.ph
- % c2ph some_include_file.h >> /usr/lib/perl/tmp.ph
- % install
-
-It's a little tricker with c2ph because you have to get the includes right.
-I can't know this for your system, but it's not usually too terribly difficult.
-
-The code isn't pretty as I mentioned -- I never thought it would be a 1000-
-line program when I started, or I might not have begun. :-) But I would have
-been less cavalier in how the parts of the program communicated with each
-other, etc. It might also have helped if I didn't have to divine the makeup
-of the stabs on the fly, and then account for micro differences between my
-compiler and gcc.
-
-Anyway, here it is. Should run on perl v4 or greater. Maybe less.
-
-
- --tom
-
-=cut
-
-$RCSID = '$Id: c2ph,v 1.7 95/10/28 10:41:47 tchrist Exp Locker: tchrist $';
-
-
-######################################################################
-
-# some handy data definitions. many of these can be reset later.
-
-$bitorder = 'b'; # ascending; set to B for descending bit fields
-
-%intrinsics =
-%template = (
- 'char', 'c',
- 'unsigned char', 'C',
- 'short', 's',
- 'short int', 's',
- 'unsigned short', 'S',
- 'unsigned short int', 'S',
- 'short unsigned int', 'S',
- 'int', 'i',
- 'unsigned int', 'I',
- 'long', 'l',
- 'long int', 'l',
- 'unsigned long', 'L',
- 'unsigned long', 'L',
- 'long unsigned int', 'L',
- 'unsigned long int', 'L',
- 'long long', 'q',
- 'long long int', 'q',
- 'unsigned long long', 'Q',
- 'unsigned long long int', 'Q',
- 'float', 'f',
- 'double', 'd',
- 'pointer', 'p',
- 'null', 'x',
- 'neganull', 'X',
- 'bit', $bitorder,
-);
-
-&buildscrunchlist;
-delete $intrinsics{'neganull'};
-delete $intrinsics{'bit'};
-delete $intrinsics{'null'};
-
-# use -s to recompute sizes
-%sizeof = (
- 'char', '1',
- 'unsigned char', '1',
- 'short', '2',
- 'short int', '2',
- 'unsigned short', '2',
- 'unsigned short int', '2',
- 'short unsigned int', '2',
- 'int', '4',
- 'unsigned int', '4',
- 'long', '4',
- 'long int', '4',
- 'unsigned long', '4',
- 'unsigned long int', '4',
- 'long unsigned int', '4',
- 'long long', '8',
- 'long long int', '8',
- 'unsigned long long', '8',
- 'unsigned long long int', '8',
- 'float', '4',
- 'double', '8',
- 'pointer', '4',
-);
-
-($type_width, $member_width, $offset_width, $size_width) = (20, 20, 6, 5);
-
-($offset_fmt, $size_fmt) = ('d', 'd');
-
-$indent = 2;
-
-$CC = 'cc';
-$CFLAGS = '-g -S';
-$DEFINES = '';
-
-$perl++ if $0 =~ m#/?c2ph$#;
-
-require 'getopts.pl';
-
-eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;
-
-&Getopts('aixdpvtnws:') || &usage(0);
-
-$opt_d && $debug++;
-$opt_t && $trace++;
-$opt_p && $perl++;
-$opt_v && $verbose++;
-$opt_n && ($perl = 0);
-
-if ($opt_w) {
- ($type_width, $member_width, $offset_width) = (45, 35, 8);
-}
-if ($opt_x) {
- ($offset_fmt, $offset_width, $size_fmt, $size_width) = ( 'x', '08', 'x', 04 );
-}
-
-eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;
-
-sub PLUMBER {
- select(STDERR);
- print "oops, apperent pager foulup\n";
- $isatty++;
- &usage(1);
-}
-
-sub usage {
- local($oops) = @_;
- unless (-t STDOUT) {
- select(STDERR);
- } elsif (!$oops) {
- $isatty++;
- $| = 1;
- print "hit <RETURN> for further explanation: ";
- <STDIN>;
- open (PIPE, "|". ($ENV{PAGER} || 'more'));
- $SIG{PIPE} = PLUMBER;
- select(PIPE);
- }
-
- print "usage: $0 [-dpnP] [var=val] [files ...]\n";
-
- exit unless $isatty;
-
- print <<EOF;
-
-Options:
-
--w wide; short for: type_width=45 member_width=35 offset_width=8
--x hex; short for: offset_fmt=x offset_width=08 size_fmt=x size_width=04
-
--n do not generate perl code (default when invoked as pstruct)
--p generate perl code (default when invoked as c2ph)
--v generate perl code, with C decls as comments
-
--i do NOT recompute sizes for intrinsic datatypes
--a dump information on intrinsics also
-
--t trace execution
--d spew reams of debugging output
-
--slist give comma-separated list a structures to dump
-
-
-Var Name Default Value Meaning
-
-EOF
-
- &defvar('CC', 'which_compiler to call');
- &defvar('CFLAGS', 'how to generate *.s files with stabs');
- &defvar('DEFINES','any extra cflags or cpp defines, like -I, -D, -U');
-
- print "\n";
-
- &defvar('type_width', 'width of type field (column 1)');
- &defvar('member_width', 'width of member field (column 2)');
- &defvar('offset_width', 'width of offset field (column 3)');
- &defvar('size_width', 'width of size field (column 4)');
-
- print "\n";
-
- &defvar('offset_fmt', 'sprintf format type for offset');
- &defvar('size_fmt', 'sprintf format type for size');
-
- print "\n";
-
- &defvar('indent', 'how far to indent each nesting level');
-
- print <<'EOF';
-
- If any *.[ch] files are given, these will be catted together into
- a temporary *.c file and sent through:
- $CC $CFLAGS $DEFINES
- and the resulting *.s groped for stab information. If no files are
- supplied, then stdin is read directly with the assumption that it
- contains stab information. All other liens will be ignored. At
- most one *.s file should be supplied.
-
-EOF
- close PIPE;
- exit 1;
-}
-
-sub defvar {
- local($var, $msg) = @_;
- printf "%-16s%-15s %s\n", $var, eval "\$$var", $msg;
-}
-
-$recurse = 1;
-
-if (@ARGV) {
- if (grep(!/\.[csh]$/,@ARGV)) {
- warn "Only *.[csh] files expected!\n";
- &usage;
- }
- elsif (grep(/\.s$/,@ARGV)) {
- if (@ARGV > 1) {
- warn "Only one *.s file allowed!\n";
- &usage;
- }
- }
- elsif (@ARGV == 1 && $ARGV[0] =~ /\.c$/) {
- local($dir, $file) = $ARGV[0] =~ m#(.*/)?(.*)$#;
- $chdir = "cd $dir; " if $dir;
- &system("$chdir$CC $CFLAGS $DEFINES $file") && exit 1;
- $ARGV[0] =~ s/\.c$/.s/;
- }
- else {
- $TMP = "/tmp/c2ph.$$.c";
- &system("cat @ARGV > $TMP") && exit 1;
- &system("cd /tmp; $CC $CFLAGS $DEFINES $TMP") && exit 1;
- unlink $TMP;
- $TMP =~ s/\.c$/.s/;
- @ARGV = ($TMP);
- }
-}
-
-if ($opt_s) {
- for (split(/[\s,]+/, $opt_s)) {
- $interested{$_}++;
- }
-}
-
-
-$| = 1 if $debug;
-
-main: {
-
- if ($trace) {
- if (-t && !@ARGV) {
- print STDERR "reading from your keyboard: ";
- } else {
- print STDERR "reading from " . (@ARGV ? "@ARGV" : "<STDIN>").": ";
- }
- }
-
-STAB: while (<>) {
- if ($trace && !($. % 10)) {
- $lineno = $..'';
- print STDERR $lineno, "\b" x length($lineno);
- }
- next unless /^\s*\.stabs\s+/;
- $line = $_;
- s/^\s*\.stabs\s+//;
- if (s/\\\\"[d,]+$//) {
- $saveline .= $line;
- $savebar = $_;
- next STAB;
- }
- if ($saveline) {
- s/^"//;
- $_ = $savebar . $_;
- $line = $saveline;
- }
- &stab;
- $savebar = $saveline = undef;
- }
- print STDERR "$.\n" if $trace;
- unlink $TMP if $TMP;
-
- &compute_intrinsics if $perl && !$opt_i;
-
- print STDERR "resolving types\n" if $trace;
-
- &resolve_types;
- &adjust_start_addrs;
-
- $sum = 2 + $type_width + $member_width;
- $pmask1 = "%-${type_width}s %-${member_width}s";
- $pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s";
-
-
-
- if ($perl) {
- # resolve template -- should be in stab define order, but even this isn't enough.
- print STDERR "\nbuilding type templates: " if $trace;
- for $i (reverse 0..$#type) {
- next unless defined($name = $type[$i]);
- next unless defined $struct{$name};
- ($iname = $name) =~ s/\..*//;
- $build_recursed = 0;
- &build_template($name) unless defined $template{&psou($name)} ||
- $opt_s && !$interested{$iname};
- }
- print STDERR "\n\n" if $trace;
- }
-
- print STDERR "dumping structs: " if $trace;
-
- local($iam);
-
-
-
- foreach $name (sort keys %struct) {
- ($iname = $name) =~ s/\..*//;
- next if $opt_s && !$interested{$iname};
- print STDERR "$name " if $trace;
-
- undef @sizeof;
- undef @typedef;
- undef @offsetof;
- undef @indices;
- undef @typeof;
- undef @fieldnames;
-
- $mname = &munge($name);
-
- $fname = &psou($name);
-
- print "# " if $perl && $verbose;
- $pcode = '';
- print "$fname {\n" if !$perl || $verbose;
- $template{$fname} = &scrunch($template{$fname}) if $perl;
- &pstruct($name,$name,0);
- print "# " if $perl && $verbose;
- print "}\n" if !$perl || $verbose;
- print "\n" if $perl && $verbose;
-
- if ($perl) {
- print "$pcode";
-
- printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name});
-
- print <<EOF;
-sub ${mname}'typedef {
- local(\$${mname}'index) = shift;
- defined \$${mname}'index
- ? \$${mname}'typedef[\$${mname}'index]
- : \$${mname}'typedef;
-}
-EOF
-
- print <<EOF;
-sub ${mname}'sizeof {
- local(\$${mname}'index) = shift;
- defined \$${mname}'index
- ? \$${mname}'sizeof[\$${mname}'index]
- : \$${mname}'sizeof;
-}
-EOF
-
- 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 <<EOF;
-sub ${mname}'fieldnames {
- \@${mname}'fieldnames;
-}
-EOF
-
- $iam = ($isastruct{$name} && 's') || ($isaunion{$name} && 'u');
-
- print <<EOF;
-sub ${mname}'isastruct {
- '$iam';
-}
-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[\@${mname}'indices] = (",
- join("\n\t", '', @typeof), "\n );\n\n";
- print "\@${mname}'fieldnames[\@${mname}'indices] = (",
- join("\n\t", '', @fieldnames), "\n );\n\n";
-
- $template_printed{$fname}++;
- $size_printed{$fname}++;
- }
- print "\n";
- }
-
- print STDERR "\n" if $trace;
-
- unless ($perl && $opt_a) {
- print "\n1;\n" if $perl;
- 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" if $perl;
-
- exit;
-}
-
-########################################################################################
-
-
-sub stab {
- next unless $continued || /:[\$\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;
- $_ = $continued . $_ if length($continued);
- if (s/\\\\$//) {
- # if last 2 chars of string are '\\' then stab is continued
- # in next stab entry
- chop;
- $continued = $_;
- next;
- }
- $continued = '';
-
-
- $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 be 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);
- &repeat_template($template,$count);
-
- 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) {
- $template = &fetch_template($type);
- &repeat_template($template,$count);
- }
-
- if ($perl && $nesting == 1) {
-
- push(@sizeof, int($length/8) .",\t# $fieldname");
- push(@offsetof, int($offset/8) .",\t# $fieldname");
- local($little) = &scrunch($template);
- push(@typedef, "'$little', \t# $fieldname");
- $type =~ s/(struct|union) //;
- push(@typeof, "'$mytype" . ($count ? $count : '') .
- "',\t# $fieldname");
- push(@fieldnames, "'$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+|\(\d+,\d+\))=)?ar(\d+|\(\d+,\d+\));//) {
- ($arraytype, $unknown) = ($2, $3);
- $arraytype = &typeno($arraytype);
- $unknown = &typeno($unknown);
- 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);
- $whatis = $1;
- if ($whatis =~ /^(\d+|\(\d+,\d+\))=/) {
- $typeno = &typeno($1);
- &pdecl($whatis);
- } else {
- $typeno = &typeno($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+|\(\d+,\d+\))=ar/) {
- $_ = &adecl($_);
- }
- elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) {
- ($start, $length) = ($2, $3);
- &panic("no length?") unless $length;
- $typeno = &typeno($1) if $1;
- }
- elsif (s/^(\d+)=xs\w+:,(\d+),(\d+);//) {
- ($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 . $what;
-}
-
-sub scrunch {
- local($_) = @_;
-
- return '' if $_ eq '';
-
- 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 || $type eq 'void' || $type =~ /complex/; # sun stuff
- print <<"EOF";
- printf(mask,sizeof($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 $trace;
- system @_;
-}
-
-sub build_template {
- local($name) = @_;
-
- &panic("already got a template for $name") if defined $template{$name};
-
- local($build_templates) = 1;
-
- local($lparen) = '(' x $build_recursed;
- local($rparen) = ')' x $build_recursed;
-
- print STDERR "$lparen$name$rparen " if $trace;
- $build_recursed++;
- &pstruct($name,$name,0);
- print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug;
- --$build_recursed;
-}
-
-
-sub panic {
-
- select(STDERR);
-
- print "\npanic: @_\n";
-
- exit 1 if $] <= 4.003; # caller broken
-
- local($i,$_);
- local($p,$f,$l,$s,$h,$a,@a,@sub);
- for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) {
- @a = @DB'args;
- for (@a) {
- if (/^StB\000/ && length($_) == length($_main{'_main'})) {
- $_ = sprintf("%s",$_);
- }
- else {
- s/'/\\'/g;
- s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/;
- s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg;
- s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg;
- }
- }
- $w = $w ? '@ = ' : '$ = ';
- $a = $h ? '(' . join(', ', @a) . ')' : '';
- push(@sub, "$w&$s$a from file $f line $l\n");
- last if $signal;
- }
- for ($i=0; $i <= $#sub; $i++) {
- last if $signal;
- print $sub[$i];
- }
- exit 1;
-}
-
-sub squishseq {
- local($num);
- local($last) = -1e8;
- local($string);
- local($seq) = '..';
-
- while (defined($num = shift)) {
- if ($num == ($last + 1)) {
- $string .= $seq unless $inseq++;
- $last = $num;
- next;
- } elsif ($inseq) {
- $string .= $last unless $last == -1e8;
- }
-
- $string .= ',' if defined $string;
- $string .= $num;
- $last = $num;
- $inseq = 0;
- }
- $string .= $last if $inseq && $last != -e18;
- $string;
-}
-
-sub repeat_template {
- # local($template, $scripts) = @_; have to change caller's values
-
- if ( $_[1] ) {
- local($ncount) = &scripts2count($_[1]);
- if ($_[0] =~ /^\s*c\s*$/i) {
- $_[0] = "A$ncount ";
- $_[1] = '';
- } else {
- $_[0] = $template x $ncount;
- }
- }
-}
-!NO!SUBS!
-
-close OUT or die "Can't close $file: $!";
-chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
-unlink 'pstruct';
-print "Linking c2ph to pstruct.\n";
-if (defined $Config{d_link}) {
- link 'c2ph', 'pstruct';
-} else {
- unshift @INC, '../lib';
- require File::Copy;
- File::Copy::syscopy('c2ph', 'pstruct');
-}
-exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
-chdir $origdir;
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