mono/metadata/make-bundle.pl

   1 #!/usr/bin/perl -w
   2 # Copyright (C) 2003 Ximian, Inc.
   3 # Paolo Molaro (lupus@ximian.com)
   4 #
   5 # Create an header file to be included in the mono libraries to
   6 # bundle assemblies inside the runtime.
   7 # The template file contains a list of assemblies, one per line,
   8 # with the name followed by a ':' and the filename.
   9 # Lines starting with '#' and empty lines are ignored.
  10 # See sample-bundle for an example.
  11 # We need to use an assembly file because gcc can't handle large arrays:-(
  12
  13 if ($#ARGV != 2) {
  14         die "Usage: make-bundle.pl template headerfile.h asm-file\n";
  15 }
  16
  17 my $template = $ARGV [0];
  18 my $header = $ARGV [1];
  19 my $output = $ARGV [2];
  20 my %assemblies = ();
  21
  22 my $line = 0;
  23 open (T, $template) || die "Cannot open bundle template: $!\n";
  24 while (<T>) {
  25         ++$line;
  26         next if (/^\s*#/);
  27         next if (/^\s*$/);
  28         if (/^([a-zA-Z0-9-.]+):\s*(.+?)\s*$/) {
  29                 my ($name, $filename) = ($1, $2);
  30                 if (exists $assemblies {$name}) {
  31                         die "Assembly $name defined multiple times.\n";
  32                 } else {
  33                         $assemblies {$name} = $filename;
  34                 }
  35         } else {
  36                 die "Unknown format at line $line: $_";
  37         }
  38 }
  39 close (T);
  40
  41 open (O, ">$output.tmp") || die "Cannot open $output: $!\n";
  42 open (H, ">$header.tmp") || die "Cannot open $output: $!\n";
  43 print H <<"EOF";
  44 /* File generated by make-bundle: do not edit! */
  45
  46 #ifndef __MONO_BUNDLE_H__
  47 #define __MONO_BUNDLE_H__
  48
  49 typedef struct {
  50         const char *name;
  51         const unsigned char *data;
  52         const unsigned int size;
  53 } MonoBundledAssembly;
  54
  55 EOF
  56
  57 my $bundle_entries = "";
  58
  59 foreach my $name (sort keys %assemblies) {
  60         my $file = $assemblies {$name};
  61         my ($nread, $buf, $i, $cname, $need_eol, $size);
  62         $cname = $name;
  63         $cname =~ s/[-.]/_/g;
  64         open (F, $file) || die "Cannot open $file: $!\n";
  65         $size = -s F;
  66 #       print O "/* assembly $name from $file */\n";
  67 #       print O "static const unsigned char assembly_data_$cname [] = {\n";
  68         print O ".globl assembly_data_$cname\n";
  69         print O "\t.section .rodata\n";
  70         print O "\t.align 32\n";
  71         print O "\t.type assembly_data_$cname, \@object\n";
  72         print O "\t.size assembly_data_$cname, $size\n";
  73         print O "assembly_data_$cname:\n";
  74         print H "extern const unsigned char assembly_data_$cname [];\n";
  75         print H "static const MonoBundledAssembly assembly_bundle_$cname = {\"$name\", assembly_data_$cname, $size};\n";
  76         $bundle_entries .= "\t&assembly_bundle_$cname,\n";
  77         $need_eol = 0;
  78         print "Adding assembly '$name' from $file...\n";
  79         while (($n = sysread (F, $buf, 32))) {
  80                 for ($i = 0; $i < $n; ++$i) {
  81                         print O "\t.byte ", ord (substr ($buf, $i, 1)), "\n";
  82                 }
  83 #               print O ",\n" if ($need_eol);
  84 #               $need_eol = 1;
  85 #               print O "\t";
  86 #               for ($i = 0; $i < $n; ++$i) {
  87 #                       print O ", " if $i > 0;
  88 #                       print O ord (substr ($buf, $i, 1));
  89 #               }
  90         }
  91 #       print O "\n};\n\n";
  92         close (F);
  93 }
  94
  95 print H "\nstatic const MonoBundledAssembly* bundled_assemblies [] = {\n";
  96 print H $bundle_entries;
  97 print H "\tNULL\n";
  98 print H "};\n\n";
  99 print H "#endif /* __MONO_BUNDLE_H__ */\n";
 100 close (O);
 101 close (H);
 102 rename ("$header.tmp", $header);
 103 rename ("$output.tmp", $output);
 104