mcs/tools/mkbundle/mkbundle.cs

   1 //
   2 // mkbundle: tool to create bundles.
   3 //
   4 // Based on the `make-bundle' Perl script written by Paolo Molaro (lupus@debian.org)
   5 //
   6 // Author:
   7 //   Miguel de Icaza
   8 //
   9 // (C) Novell, Inc 2004
  10 // (C) 2016 Xamarin Inc
  11 //
  12 // Missing features:
  13 // * Add support for packaging native libraries, extracting at runtime and setting the library path.
  14 // * Implement --list-targets lists all the available remote targets
  15 //
  16 using System;
  17 using System.Diagnostics;
  18 using System.Xml;
  19 using System.Collections.Generic;
  20 using System.IO;
  21 using System.IO.Compression;
  22 using System.Runtime.InteropServices;
  23 using System.Text;
  24 using IKVM.Reflection;
  25 using System.Linq;
  26 using System.Diagnostics;
  27 using System.Net;
  28 using System.Threading.Tasks;
  29
  30 class MakeBundle {
  31         static string output = "a.out";
  32         static string object_out = null;
  33         static List<string> link_paths = new List<string> ();
  34         static bool autodeps = false;
  35         static bool keeptemp = false;
  36         static bool compile_only = false;
  37         static bool static_link = false;
  38         static string config_file = null;
  39         static string machine_config_file = null;
  40         static string config_dir = null;
  41         static string style = "linux";
  42         static string os_message = "";
  43         static bool compress;
  44         static bool nomain;
  45         static string custom_main = null;
  46         static bool? use_dos2unix = null;
  47         static bool skip_scan;
  48         static string ctor_func;
  49         static bool quiet;
  50         static string cross_target = null;
  51         static string fetch_target = null;
  52         static bool custom_mode = true;
  53         static string embedded_options = null;
  54         static string runtime = null;
  55         static string target_server = "https://runtimes.go-mono.com/raw/";
  56
  57         static int Main (string [] args)
  58         {
  59                 List<string> sources = new List<string> ();
  60                 int top = args.Length;
  61                 link_paths.Add (".");
  62
  63                 DetectOS ();
  64
  65                 for (int i = 0; i < top; i++){
  66                         switch (args [i]){
  67                         case "--help": case "-h": case "-?":
  68                                 Help ();
  69                                 return 1;
  70
  71                         case "--simple":
  72                                 custom_mode = false;
  73                                 autodeps = true;
  74                                 break;
  75
  76                         case "--custom":
  77                                 custom_mode = true;
  78                                 break;
  79
  80                         case "-c":
  81                                 compile_only = true;
  82                                 break;
  83
  84                         case "--local-targets":
  85                                 CommandLocalTargets ();
  86                                 return 0;
  87
  88                         case "--cross":
  89                                 if (i+1 == top){
  90                                         Help ();
  91                                         return 1;
  92                                 }
  93                                 custom_mode = false;
  94                                 autodeps = true;
  95                                 cross_target = args [++i];
  96                                 break;
  97
  98                         case "--fetch-target":
  99                                 if (i+1 == top){
 100                                         Help ();
 101                                         return 1;
 102                                 }
 103                                 fetch_target = args [++i];
 104                                 break;
 105
 106                         case "--list-targets":
 107                                 var wc = new WebClient ();
 108                                 var s = wc.DownloadString (new Uri (target_server + "target-list.txt"));
 109                                 Console.WriteLine ("Cross-compilation targets available:\n" + s);
 110
 111                                 return 0;
 112
 113                         case "--target-server":
 114                                 if (i+1 == top){
 115                                         Help ();
 116                                         return 1;
 117                                 }
 118                                 target_server = args [++i];
 119                                 break;
 120
 121                         case "-o":
 122                                 if (i+1 == top){
 123                                         Help ();
 124                                         return 1;
 125                                 }
 126                                 output = args [++i];
 127                                 break;
 128
 129                         case "--options":
 130                                 if (i+1 == top){
 131                                         Help ();
 132                                         return 1;
 133                                 }
 134                                 embedded_options = args [++i];
 135                                 break;
 136                         case "--runtime":
 137                                 if (i+1 == top){
 138                                         Help ();
 139                                         return 1;
 140                                 }
 141                                 runtime = args [++i];
 142                                 break;
 143                         case "-oo":
 144                                 if (i+1 == top){
 145                                         Help ();
 146                                         return 1;
 147                                 }
 148                                 object_out = args [++i];
 149                                 break;
 150
 151                         case "-L":
 152                                 if (i+1 == top){
 153                                         Help ();
 154                                         return 1;
 155                                 }
 156                                 link_paths.Add (args [++i]);
 157                                 break;
 158
 159                         case "--nodeps":
 160                                 autodeps = false;
 161                                 break;
 162
 163                         case "--deps":
 164                                 autodeps = true;
 165                                 break;
 166
 167                         case "--keeptemp":
 168                                 keeptemp = true;
 169                                 break;
 170
 171                         case "--static":
 172                                 static_link = true;
 173                                 break;
 174                         case "--config":
 175                                 if (i+1 == top) {
 176                                         Help ();
 177                                         return 1;
 178                                 }
 179
 180                                 config_file = args [++i];
 181                                 break;
 182                         case "--machine-config":
 183                                 if (i+1 == top) {
 184                                         Help ();
 185                                         return 1;
 186                                 }
 187
 188                                 machine_config_file = args [++i];
 189
 190                                 if (!quiet)
 191                                         Console.WriteLine ("WARNING:\n  Check that the machine.config file you are bundling\n  doesn't contain sensitive information specific to this machine.");
 192                                 break;
 193                         case "--config-dir":
 194                                 if (i+1 == top) {
 195                                         Help ();
 196                                         return 1;
 197                                 }
 198
 199                                 config_dir = args [++i];
 200                                 break;
 201                         case "-z":
 202                                 compress = true;
 203                                 break;
 204                         case "--nomain":
 205                                 nomain = true;
 206                                 break;
 207                         case "--custom-main":
 208                                 if (i+1 == top) {
 209                                         Help ();
 210                                         return 1;
 211                                 }
 212                                 custom_main = args [++i];
 213                                 break;
 214                         case "--style":
 215                                 if (i+1 == top) {
 216                                         Help ();
 217                                         return 1;
 218                                 }
 219                                 style = args [++i];
 220                                 switch (style) {
 221                                 case "windows":
 222                                 case "mac":
 223                                 case "linux":
 224                                         break;
 225                                 default:
 226                                         Console.Error.WriteLine ("Invalid style '{0}' - only 'windows', 'mac' and 'linux' are supported for --style argument", style);
 227                                         return 1;
 228                                 }
 229
 230                                 break;
 231                         case "--skip-scan":
 232                                 skip_scan = true;
 233                                 break;
 234                         case "--static-ctor":
 235                                 if (i+1 == top) {
 236                                         Help ();
 237                                         return 1;
 238                                 }
 239                                 ctor_func = args [++i];
 240                                 break;
 241                         case "--dos2unix":
 242                         case "--dos2unix=true":
 243                                 use_dos2unix = true;
 244                                 break;
 245                         case "--dos2unix=false":
 246                                 use_dos2unix = false;
 247                                 break;
 248                         case "-q":
 249                         case "--quiet":
 250                                 quiet = true;
 251                                 break;
 252                         default:
 253                                 sources.Add (args [i]);
 254                                 break;
 255                         }
 256
 257                 }
 258
 259                 if (!quiet) {
 260                         Console.WriteLine (os_message);
 261                         Console.WriteLine ("Sources: {0} Auto-dependencies: {1}", sources.Count, autodeps);
 262                 }
 263                 if (sources.Count == 0 || output == null) {
 264                         Help ();
 265                         Environment.Exit (1);
 266                 }
 267
 268                 List<string> assemblies = LoadAssemblies (sources);
 269                 List<string> files = new List<string> ();
 270                 foreach (string file in assemblies)
 271                         if (!QueueAssembly (files, file))
 272                                 return 1;
 273
 274                 if (fetch_target != null){
 275                         var truntime = Path.Combine (targets_dir, fetch_target, "mono");
 276                         Directory.CreateDirectory (Path.GetDirectoryName (truntime));
 277                         var wc = new WebClient ();
 278                         var uri = new Uri ($"{target_server}{fetch_target}");
 279                         try {
 280                                 wc.DownloadFile (uri, truntime);
 281                         } catch {
 282                                 Console.Error.WriteLine ($"Failure to download the specified runtime from {uri}");
 283                                 File.Delete (truntime);
 284                                 return 1;
 285                         }
 286                         return 0;
 287                 }
 288
 289                 if (custom_mode)
 290                         GenerateBundles (files);
 291                 else {
 292                         if (cross_target == "default")
 293                                 runtime = null;
 294                         else {
 295                                 var truntime = Path.Combine (targets_dir, cross_target, "mono");
 296                                 if (!File.Exists (truntime)){
 297                                         Console.Error.WriteLine ($"The runtime for the {cross_target} does not exist, use --fetch-target {cross_target} to download first");
 298                                         return 1;
 299                                 }
 300                         }
 301                         GeneratePackage (files);
 302                 }
 303
 304                 return 0;
 305         }
 306
 307         static string targets_dir = Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.Personal), ".mono", "targets");
 308
 309         static void CommandLocalTargets ()
 310         {
 311                 string [] targets;
 312
 313                 Console.WriteLine ("Available targets:");
 314                 Console.WriteLine ("\tdefault\t- Current System Mono");
 315                 try {
 316                         targets = Directory.GetDirectories (targets_dir);
 317                 } catch {
 318                         return;
 319                 }
 320                 foreach (var target in targets){
 321                         var p = Path.Combine (target, "mono");
 322                         if (File.Exists (p))
 323                                 Console.WriteLine ("\t{0}", Path.GetFileName (target));
 324                 }
 325         }
 326
 327         static void WriteSymbol (StreamWriter sw, string name, long size)
 328         {
 329                 switch (style){
 330                 case "linux":
 331                         sw.WriteLine (
 332                                 ".globl {0}\n" +
 333                                 "\t.section .rodata\n" +
 334                                 "\t.p2align 5\n" +
 335                                 "\t.type {0}, \"object\"\n" +
 336                                 "\t.size {0}, {1}\n" +
 337                                 "{0}:\n",
 338                                 name, size);
 339                         break;
 340                 case "osx":
 341                         sw.WriteLine (
 342                                 "\t.section __TEXT,__text,regular,pure_instructions\n" +
 343                                 "\t.globl _{0}\n" +
 344                                 "\t.data\n" +
 345                                 "\t.align 4\n" +
 346                                 "_{0}:\n",
 347                                 name, size);
 348                         break;
 349                 case "windows":
 350                         sw.WriteLine (
 351                                 ".globl _{0}\n" +
 352                                 "\t.section .rdata,\"dr\"\n" +
 353                                 "\t.align 32\n" +
 354                                 "_{0}:\n",
 355                                 name, size);
 356                         break;
 357                 }
 358         }
 359
 360         static string [] chars = new string [256];
 361
 362         static void WriteBuffer (StreamWriter ts, Stream stream, byte[] buffer)
 363         {
 364                 int n;
 365
 366                 // Preallocate the strings we need.
 367                 if (chars [0] == null) {
 368                         for (int i = 0; i < chars.Length; i++)
 369                                 chars [i] = string.Format ("{0}", i.ToString ());
 370                 }
 371
 372                 while ((n = stream.Read (buffer, 0, buffer.Length)) != 0) {
 373                         int count = 0;
 374                         for (int i = 0; i < n; i++) {
 375                                 if (count % 32 == 0) {
 376                                         ts.Write ("\n\t.byte ");
 377                                 } else {
 378                                         ts.Write (",");
 379                                 }
 380                                 ts.Write (chars [buffer [i]]);
 381                                 count ++;
 382                         }
 383                 }
 384
 385                 ts.WriteLine ();
 386         }
 387
 388         class PackageMaker {
 389                 Dictionary<string, Tuple<long,int>> locations = new Dictionary<string, Tuple<long,int>> ();
 390                 const int align = 4096;
 391                 Stream package;
 392
 393                 public PackageMaker (string output)
 394                 {
 395                         package = File.Create (output, 128*1024);
 396                         if (IsUnix){
 397                                 File.SetAttributes (output, unchecked ((FileAttributes) 0x80000000));
 398                         }
 399                 }
 400
 401                 public int AddFile (string fname)
 402                 {
 403                         using (Stream fileStream = File.OpenRead (fname)){
 404                                 var ret = fileStream.Length;
 405
 406                                 Console.WriteLine ("At {0:x} with input {1}", package.Position, fileStream.Length);
 407                                 fileStream.CopyTo (package);
 408                                 package.Position = package.Position + (align - (package.Position % align));
 409
 410                                 return (int) ret;
 411                         }
 412                 }
 413
 414                 public void Add (string entry, string fname)
 415                 {
 416                         var p = package.Position;
 417                         var size = AddFile (fname);
 418
 419                         locations [entry] = Tuple.Create(p, size);
 420                 }
 421
 422                 public void AddString (string entry, string text)
 423                 {
 424                         var bytes = Encoding.UTF8.GetBytes (text);
 425                         locations [entry] = Tuple.Create (package.Position, bytes.Length);
 426                         package.Write (bytes, 0, bytes.Length);
 427                         package.Position = package.Position + (align - (package.Position % align));
 428                 }
 429
 430                 public void Dump ()
 431                 {
 432                         foreach (var floc in locations.Keys){
 433                                 Console.WriteLine ($"{floc} at {locations[floc]:x}");
 434                         }
 435                 }
 436
 437                 public void WriteIndex ()
 438                 {
 439                         var indexStart = package.Position;
 440                         var binary = new BinaryWriter (package);
 441
 442                         binary.Write (locations.Count);
 443                         foreach (var entry in from entry in locations orderby entry.Value.Item1 ascending select entry){
 444                                 var bytes = Encoding.UTF8.GetBytes (entry.Key);
 445                                 binary.Write (bytes.Length+1);
 446                                 binary.Write (bytes);
 447                                 binary.Write ((byte) 0);
 448                                 binary.Write (entry.Value.Item1);
 449                                 binary.Write (entry.Value.Item2);
 450                         }
 451                         binary.Write (indexStart);
 452                         binary.Write (Encoding.UTF8.GetBytes ("xmonkeysloveplay"));
 453                         binary.Flush ();
 454                 }
 455
 456                 public void Close ()
 457                 {
 458                         WriteIndex ();
 459                         package.Close ();
 460                         package = null;
 461                 }
 462         }
 463
 464         static bool MaybeAddFile (PackageMaker maker, string code, string file)
 465         {
 466                 if (file == null)
 467                         return true;
 468
 469                 if (!File.Exists (file)){
 470                         Console.Error.WriteLine ("The file {0} does not exist", file);
 471                         return false;
 472                 }
 473                 maker.Add (code, file);
 474                 return true;
 475         }
 476
 477         static bool GeneratePackage (List<string> files)
 478         {
 479                 if (runtime == null){
 480                         if (IsUnix)
 481                                 runtime = Process.GetCurrentProcess().MainModule.FileName;
 482                         else {
 483                                 Console.Error.WriteLine ("You must specify at least one runtime with --runtime or --cross");
 484                                 Environment.Exit (1);
 485                         }
 486                 }
 487                 if (!File.Exists (runtime)){
 488                         Console.Error.WriteLine ($"The specified runtime at {runtime} does not exist");
 489                         Environment.Exit (1);
 490                 }
 491
 492                 if (ctor_func != null){
 493                         Console.Error.WriteLine ("--static-ctor not supported with package bundling, you must use native compilation for this");
 494                         return false;
 495                 }
 496
 497                 var maker = new PackageMaker (output);
 498                 maker.AddFile (runtime);
 499
 500                 foreach (var url in files){
 501                         string fname = LocateFile (new Uri (url).LocalPath);
 502                         string aname = Path.GetFileName (fname);
 503
 504                         maker.Add ("assembly:" + aname, fname);
 505                         if (File.Exists (fname + ".config"))
 506                                 maker.Add ("config:" + aname, fname + ".config");
 507                 }
 508                 if (!MaybeAddFile (maker, "systemconfig:", config_file) || !MaybeAddFile (maker, "machineconfig:", machine_config_file))
 509                         return false;
 510
 511                 if (config_dir != null)
 512                         maker.Add ("config_dir:", config_dir);
 513                 if (embedded_options != null)
 514                         maker.AddString ("options:", embedded_options);
 515                 maker.Dump ();
 516                 maker.Close ();
 517                 return true;
 518         }
 519
 520         static void GenerateBundles (List<string> files)
 521         {
 522                 string temp_s = "temp.s"; // Path.GetTempFileName ();
 523                 string temp_c = "temp.c";
 524                 string temp_o = "temp.o";
 525
 526                 if (compile_only)
 527                         temp_c = output;
 528                 if (object_out != null)
 529                         temp_o = object_out;
 530
 531                 try {
 532                         List<string> c_bundle_names = new List<string> ();
 533                         List<string[]> config_names = new List<string[]> ();
 534
 535                         using (StreamWriter ts = new StreamWriter (File.Create (temp_s))) {
 536                         using (StreamWriter tc = new StreamWriter (File.Create (temp_c))) {
 537                         string prog = null;
 538
 539 #if XAMARIN_ANDROID
 540                         tc.WriteLine ("/* This source code was produced by mkbundle, do not edit */");
 541                         tc.WriteLine ("\n#ifndef NULL\n#define NULL (void *)0\n#endif");
 542                         tc.WriteLine (@"
 543 typedef struct {
 544         const char *name;
 545         const unsigned char *data;
 546         const unsigned int size;
 547 } MonoBundledAssembly;
 548 void          mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies);
 549 void          mono_register_config_for_assembly (const char* assembly_name, const char* config_xml);
 550 ");
 551 #else
 552                         tc.WriteLine ("#include <mono/metadata/mono-config.h>");
 553                         tc.WriteLine ("#include <mono/metadata/assembly.h>\n");
 554 #endif
 555
 556                         if (compress) {
 557                                 tc.WriteLine ("typedef struct _compressed_data {");
 558                                 tc.WriteLine ("\tMonoBundledAssembly assembly;");
 559                                 tc.WriteLine ("\tint compressed_size;");
 560                                 tc.WriteLine ("} CompressedAssembly;\n");
 561                         }
 562
 563                         object monitor = new object ();
 564
 565                         var streams = new Dictionary<string, Stream> ();
 566                         var sizes = new Dictionary<string, long> ();
 567
 568                         // Do the file reading and compression in parallel
 569                         Action<string> body = delegate (string url) {
 570                                 string fname = LocateFile (new Uri (url).LocalPath);
 571                                 Stream stream = File.OpenRead (fname);
 572
 573                                 long real_size = stream.Length;
 574                                 int n;
 575                                 if (compress) {
 576                                         byte[] cbuffer = new byte [8192];
 577                                         MemoryStream ms = new MemoryStream ();
 578                                         GZipStream deflate = new GZipStream (ms, CompressionMode.Compress, leaveOpen:true);
 579                                         while ((n = stream.Read (cbuffer, 0, cbuffer.Length)) != 0){
 580                                                 deflate.Write (cbuffer, 0, n);
 581                                         }
 582                                         stream.Close ();
 583                                         deflate.Close ();
 584                                         byte [] bytes = ms.GetBuffer ();
 585                                         stream = new MemoryStream (bytes, 0, (int) ms.Length, false, false);
 586                                 }
 587
 588                                 lock (monitor) {
 589                                         streams [url] = stream;
 590                                         sizes [url] = real_size;
 591                                 }
 592                         };
 593
 594                         //#if NET_4_5
 595 #if FALSE
 596                         Parallel.ForEach (files, body);
 597 #else
 598                         foreach (var url in files)
 599                                 body (url);
 600 #endif
 601
 602                         // The non-parallel part
 603                         byte [] buffer = new byte [8192];
 604                         // everything other than a-zA-Z0-9_ needs to be escaped in asm symbols.
 605                         var symbolEscapeRE = new System.Text.RegularExpressions.Regex ("[^\\w_]");
 606                         foreach (var url in files) {
 607                                 string fname = LocateFile (new Uri (url).LocalPath);
 608                                 string aname = Path.GetFileName (fname);
 609                                 string encoded = symbolEscapeRE.Replace (aname, "_");
 610
 611                                 if (prog == null)
 612                                         prog = aname;
 613
 614                                 var stream = streams [url];
 615                                 var real_size = sizes [url];
 616
 617                                 if (!quiet)
 618                                         Console.WriteLine ("   embedding: " + fname);
 619
 620                                 WriteSymbol (ts, "assembly_data_" + encoded, stream.Length);
 621
 622                                 WriteBuffer (ts, stream, buffer);
 623
 624                                 if (compress) {
 625                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 626                                         tc.WriteLine ("static CompressedAssembly assembly_bundle_{0} = {{{{\"{1}\"," +
 627                                                                   " assembly_data_{0}, {2}}}, {3}}};",
 628                                                                   encoded, aname, real_size, stream.Length);
 629                                         if (!quiet) {
 630                                                 double ratio = ((double) stream.Length * 100) / real_size;
 631                                                 Console.WriteLine ("   compression ratio: {0:.00}%", ratio);
 632                                         }
 633                                 } else {
 634                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 635                                         tc.WriteLine ("static const MonoBundledAssembly assembly_bundle_{0} = {{\"{1}\", assembly_data_{0}, {2}}};",
 636                                                                   encoded, aname, real_size);
 637                                 }
 638                                 stream.Close ();
 639
 640                                 c_bundle_names.Add ("assembly_bundle_" + encoded);
 641
 642                                 try {
 643                                         FileStream cf = File.OpenRead (fname + ".config");
 644                                         if (!quiet)
 645                                                 Console.WriteLine (" config from: " + fname + ".config");
 646                                         tc.WriteLine ("extern const unsigned char assembly_config_{0} [];", encoded);
 647                                         WriteSymbol (ts, "assembly_config_" + encoded, cf.Length);
 648                                         WriteBuffer (ts, cf, buffer);
 649                                         ts.WriteLine ();
 650                                         config_names.Add (new string[] {aname, encoded});
 651                                 } catch (FileNotFoundException) {
 652                                         /* we ignore if the config file doesn't exist */
 653                                 }
 654                         }
 655
 656                         if (config_file != null){
 657                                 FileStream conf;
 658                                 try {
 659                                         conf = File.OpenRead (config_file);
 660                                 } catch {
 661                                         Error (String.Format ("Failure to open {0}", config_file));
 662                                         return;
 663                                 }
 664                                 if (!quiet)
 665                                         Console.WriteLine ("System config from: " + config_file);
 666                                 tc.WriteLine ("extern const char system_config;");
 667                                 WriteSymbol (ts, "system_config", config_file.Length);
 668
 669                                 WriteBuffer (ts, conf, buffer);
 670                                 // null terminator
 671                                 ts.Write ("\t.byte 0\n");
 672                                 ts.WriteLine ();
 673                         }
 674
 675                         if (machine_config_file != null){
 676                                 FileStream conf;
 677                                 try {
 678                                         conf = File.OpenRead (machine_config_file);
 679                                 } catch {
 680                                         Error (String.Format ("Failure to open {0}", machine_config_file));
 681                                         return;
 682                                 }
 683                                 if (!quiet)
 684                                         Console.WriteLine ("Machine config from: " + machine_config_file);
 685                                 tc.WriteLine ("extern const char machine_config;");
 686                                 WriteSymbol (ts, "machine_config", machine_config_file.Length);
 687
 688                                 WriteBuffer (ts, conf, buffer);
 689                                 ts.Write ("\t.byte 0\n");
 690                                 ts.WriteLine ();
 691                         }
 692                         ts.Close ();
 693
 694                         if (compress)
 695                                 tc.WriteLine ("\nstatic const CompressedAssembly *compressed [] = {");
 696                         else
 697                                 tc.WriteLine ("\nstatic const MonoBundledAssembly *bundled [] = {");
 698
 699                         foreach (string c in c_bundle_names){
 700                                 tc.WriteLine ("\t&{0},", c);
 701                         }
 702                         tc.WriteLine ("\tNULL\n};\n");
 703                         tc.WriteLine ("static char *image_name = \"{0}\";", prog);
 704
 705                         if (ctor_func != null) {
 706                                 tc.WriteLine ("\nextern void {0} (void);", ctor_func);
 707                                 tc.WriteLine ("\n__attribute__ ((constructor)) static void mono_mkbundle_ctor (void)");
 708                                 tc.WriteLine ("{{\n\t{0} ();\n}}", ctor_func);
 709                         }
 710
 711                         tc.WriteLine ("\nstatic void install_dll_config_files (void) {\n");
 712                         foreach (string[] ass in config_names){
 713                                 tc.WriteLine ("\tmono_register_config_for_assembly (\"{0}\", assembly_config_{1});\n", ass [0], ass [1]);
 714                         }
 715                         if (config_file != null)
 716                                 tc.WriteLine ("\tmono_config_parse_memory (&system_config);\n");
 717                         if (machine_config_file != null)
 718                                 tc.WriteLine ("\tmono_register_machine_config (&machine_config);\n");
 719                         tc.WriteLine ("}\n");
 720
 721                         if (config_dir != null)
 722                                 tc.WriteLine ("static const char *config_dir = \"{0}\";", config_dir);
 723                         else
 724                                 tc.WriteLine ("static const char *config_dir = NULL;");
 725
 726                         Stream template_stream;
 727                         if (compress) {
 728                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_z.c");
 729                         } else {
 730                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template.c");
 731                         }
 732
 733                         StreamReader s = new StreamReader (template_stream);
 734                         string template = s.ReadToEnd ();
 735                         tc.Write (template);
 736
 737                         if (!nomain && custom_main == null) {
 738                                 Stream template_main_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_main.c");
 739                                 StreamReader st = new StreamReader (template_main_stream);
 740                                 string maintemplate = st.ReadToEnd ();
 741                                 tc.Write (maintemplate);
 742                         }
 743
 744                         tc.Close ();
 745
 746                         string assembler = GetEnv("AS", "as");
 747                         string as_cmd = String.Format("{0} -o {1} {2} ", assembler, temp_o, temp_s);
 748                         Execute(as_cmd);
 749
 750                         if (compile_only)
 751                                 return;
 752
 753                         if (!quiet)
 754                                 Console.WriteLine("Compiling:");
 755
 756                         if (style == "windows")
 757                         {
 758
 759                                 Func<string, string> quote = (pp) => { return "\"" + pp + "\""; };
 760
 761                                 string compiler = GetEnv("CC", "cl.exe");
 762                                 string winsdkPath = GetEnv("WINSDK", @"C:\Program Files (x86)\Windows Kits\8.1");
 763                                 string vsPath = GetEnv("VSINCLUDE", @"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC");
 764                                 string monoPath = GetEnv("MONOPREFIX", @"C:\Program Files (x86)\Mono");
 765
 766                                 string[] includes = new string[] {winsdkPath + @"\Include\um", winsdkPath + @"\Include\shared", vsPath + @"\include", monoPath + @"\include\mono-2.0", "." };
 767                                 string[] libs = new string[] { winsdkPath + @"\Lib\winv6.3\um\x86" , vsPath + @"\lib" };
 768                                 var linkLibraries = new string[] {  "kernel32.lib",
 769                                                                                                 "version.lib",
 770                                                                                                 "Ws2_32.lib",
 771                                                                                                 "Mswsock.lib",
 772                                                                                                 "Psapi.lib",
 773                                                                                                 "shell32.lib",
 774                                                                                                 "OleAut32.lib",
 775                                                                                                 "ole32.lib",
 776                                                                                                 "winmm.lib",
 777                                                                                                 "user32.lib",
 778                                                                                                 "libvcruntime.lib",
 779                                                                                                 "advapi32.lib",
 780                                                                                                 "OLDNAMES.lib",
 781                                                                                                 "libucrt.lib" };
 782
 783                                 string glue_obj = "mkbundle_glue.obj";
 784                                 string monoLib;
 785
 786                                 if (static_link)
 787                                         monoLib = LocateFile (monoPath + @"\lib\monosgen-2.0-static.lib");
 788
 789                                 else {
 790                                         Console.WriteLine ("WARNING: Dynamically linking the Mono runtime on Windows is not a tested option.");
 791                                         monoLib = LocateFile (monoPath + @"\lib\monosgen-2.0.lib");
 792                                         LocateFile (monoPath + @"\lib\monosgen-2.0.dll"); // in this case, the .lib is just the import library, and the .dll is also needed
 793                                 }
 794
 795                                 var compilerArgs = new List<string>();
 796                                 compilerArgs.Add("/MT");
 797
 798                                 foreach (string include in includes)
 799                                         compilerArgs.Add(String.Format ("/I {0}", quote (include)));
 800
 801                                 if (!nomain || custom_main != null) {
 802                                         compilerArgs.Add(quote(temp_c));
 803                                         compilerArgs.Add(quote(temp_o));
 804                                         if (custom_main != null)
 805                                                 compilerArgs.Add(quote(custom_main));
 806                                         compilerArgs.Add(quote(monoLib));
 807                                         compilerArgs.Add("/link");
 808                                         compilerArgs.Add("/NODEFAULTLIB");
 809                                         compilerArgs.Add("/SUBSYSTEM:windows");
 810                                         compilerArgs.Add("/ENTRY:mainCRTStartup");
 811                                         compilerArgs.AddRange(linkLibraries);
 812                                         compilerArgs.Add("/out:"+ output);
 813
 814                                         string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 815                                         Execute (cl_cmd);
 816                                 }
 817                                 else
 818                                 {
 819                                         // we are just creating a .lib
 820                                         compilerArgs.Add("/c"); // compile only
 821                                         compilerArgs.Add(temp_c);
 822                                         compilerArgs.Add(String.Format("/Fo" + glue_obj)); // .obj output name
 823
 824                                         string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 825                                         Execute (cl_cmd);
 826
 827                                         string librarian = GetEnv ("LIB", "lib.exe");
 828                                         var librarianArgs = new List<string> ();
 829                                         librarianArgs.Add (String.Format ("/out:{0}.lib" + output));
 830                                         librarianArgs.Add (temp_o);
 831                                         librarianArgs.Add (glue_obj);
 832                                         librarianArgs.Add (monoLib);
 833                                         string lib_cmd = String.Format("{0} {1}", librarian, String.Join(" ", librarianArgs.ToArray()));
 834                                         Execute (lib_cmd);
 835                                 }
 836                         }
 837                         else
 838                         {
 839                                 string zlib = (compress ? "-lz" : "");
 840                                 string debugging = "-g";
 841                                 string cc = GetEnv("CC", "cc");
 842                                 string cmd = null;
 843
 844                                 if (style == "linux")
 845                                         debugging = "-ggdb";
 846                                 if (static_link)
 847                                 {
 848                                         string smonolib;
 849                                         if (style == "osx")
 850                                                 smonolib = "`pkg-config --variable=libdir mono-2`/libmono-2.0.a ";
 851                                         else
 852                                                 smonolib = "-Wl,-Bstatic -lmono-2.0 -Wl,-Bdynamic ";
 853                                         cmd = String.Format("{4} -o '{2}' -Wall `pkg-config --cflags mono-2` {0} {3} " +
 854                                                 "`pkg-config --libs-only-L mono-2` " + smonolib +
 855                                                 "`pkg-config --libs-only-l mono-2 | sed -e \"s/\\-lmono-2.0 //\"` {1}",
 856                                                 temp_c, temp_o, output, zlib, cc);
 857                                 }
 858                                 else
 859                                 {
 860
 861                                         cmd = String.Format("{4} " + debugging + " -o '{2}' -Wall {0} `pkg-config --cflags --libs mono-2` {3} {1}",
 862                                                 temp_c, temp_o, output, zlib, cc);
 863                                 }
 864                                 Execute (cmd);
 865                         }
 866
 867                         if (!quiet)
 868                                 Console.WriteLine ("Done");
 869                 }
 870         }
 871                 } finally {
 872                         if (!keeptemp){
 873                                 if (object_out == null){
 874                                         File.Delete (temp_o);
 875                                 }
 876                                 if (!compile_only){
 877                                         File.Delete (temp_c);
 878                                 }
 879                                 File.Delete (temp_s);
 880                         }
 881                 }
 882         }
 883
 884         static List<string> LoadAssemblies (List<string> sources)
 885         {
 886                 List<string> assemblies = new List<string> ();
 887                 bool error = false;
 888
 889                 foreach (string name in sources){
 890                         try {
 891                                 Assembly a = LoadAssembly (name);
 892
 893                                 if (a == null){
 894                                         error = true;
 895                                         continue;
 896                                 }
 897
 898                                 assemblies.Add (a.CodeBase);
 899                         } catch (Exception) {
 900                                 if (skip_scan) {
 901                                         if (!quiet)
 902                                                 Console.WriteLine ("File will not be scanned: {0}", name);
 903                                         assemblies.Add (new Uri (new FileInfo (name).FullName).ToString ());
 904                                 } else {
 905                                         throw;
 906                                 }
 907                         }
 908                 }
 909
 910                 if (error)
 911                         Environment.Exit (1);
 912
 913                 return assemblies;
 914         }
 915
 916         static readonly Universe universe = new Universe ();
 917         static readonly Dictionary<string, string> loaded_assemblies = new Dictionary<string, string> ();
 918
 919         static bool QueueAssembly (List<string> files, string codebase)
 920         {
 921                 // Console.WriteLine ("CODE BASE IS {0}", codebase);
 922                 if (files.Contains (codebase))
 923                         return true;
 924
 925                 var path = new Uri(codebase).LocalPath;
 926                 var name = Path.GetFileName (path);
 927                 string found;
 928                 if (loaded_assemblies.TryGetValue (name, out found)) {
 929                         Error (string.Format ("Duplicate assembly name `{0}'. Both `{1}' and `{2}' use same assembly name.", name, path, found));
 930                         return false;
 931                 }
 932
 933                 loaded_assemblies.Add (name, path);
 934
 935                 files.Add (codebase);
 936                 if (!autodeps)
 937                         return true;
 938                 try {
 939                         Assembly a = universe.LoadFile (path);
 940
 941                         foreach (AssemblyName an in a.GetReferencedAssemblies ()) {
 942                                 a = universe.Load (an.FullName);
 943                                 if (!QueueAssembly (files, a.CodeBase))
 944                                         return false;
 945                         }
 946                 } catch (Exception) {
 947                         if (!skip_scan)
 948                                 throw;
 949                 }
 950
 951                 return true;
 952         }
 953
 954         static Assembly LoadAssembly (string assembly)
 955         {
 956                 Assembly a;
 957
 958                 try {
 959                         char[] path_chars = { '/', '\\' };
 960
 961                         if (assembly.IndexOfAny (path_chars) != -1) {
 962                                 a = universe.LoadFile (assembly);
 963                         } else {
 964                                 string ass = assembly;
 965                                 if (ass.EndsWith (".dll"))
 966                                         ass = assembly.Substring (0, assembly.Length - 4);
 967                                 a = universe.Load (ass);
 968                         }
 969                         return a;
 970                 } catch (FileNotFoundException){
 971                         string total_log = "";
 972
 973                         foreach (string dir in link_paths){
 974                                 string full_path = Path.Combine (dir, assembly);
 975                                 if (!assembly.EndsWith (".dll") && !assembly.EndsWith (".exe"))
 976                                         full_path += ".dll";
 977
 978                                 try {
 979                                         a = universe.LoadFile (full_path);
 980                                         return a;
 981                                 } catch (FileNotFoundException ff) {
 982                                         total_log += ff.FusionLog;
 983                                         continue;
 984                                 }
 985                         }
 986                         Error ("Cannot find assembly `" + assembly + "'" );
 987                         if (!quiet)
 988                                 Console.WriteLine ("Log: \n" + total_log);
 989                 } catch (IKVM.Reflection.BadImageFormatException f) {
 990                         if (skip_scan)
 991                                 throw;
 992                         Error ("Cannot load assembly (bad file format) " + f.Message);
 993                 } catch (FileLoadException f){
 994                         Error ("Cannot load assembly " + f.Message);
 995                 } catch (ArgumentNullException){
 996                         Error("Cannot load assembly (null argument)");
 997                 }
 998                 return null;
 999         }
1000
1001         static void Error (string msg)
1002         {
1003                 Console.Error.WriteLine ("ERROR: " + msg);
1004                 Environment.Exit (1);
1005         }
1006
1007         static void Help ()
1008         {
1009                 Console.WriteLine ("Usage is: mkbundle [options] assembly1 [assembly2...]\n\n" +
1010                                    "Options:\n" +
1011                                    "    --config F          Bundle system config file `F'\n" +
1012                                    "    --config-dir D      Set MONO_CFG_DIR to `D'\n" +
1013                                    "    --deps              Turns on automatic dependency embedding (default on simple)\n" +
1014                                    "    -L path             Adds `path' to the search path for assemblies\n" +
1015                                    "    --machine-config F  Use the given file as the machine.config for the application.\n" +
1016                                    "    -o out              Specifies output filename\n" +
1017                                    "    --nodeps            Turns off automatic dependency embedding (default on custom)\n" +
1018                                    "    --skip-scan         Skip scanning assemblies that could not be loaded (but still embed them).\n" +
1019                                    "\n" +
1020                                    "--simple   Simple mode does not require a C toolchain and can cross compile\n" +
1021                                    "    --cross TARGET      Generates a binary for the given TARGET\n"+
1022                                    "    --local-targets     Lists locally available targets\n" +
1023                                    "    --list-targets      Lists available targets on the remote server\n" +
1024                                    "    --options OPTIONS   Embed the specified Mono command line options on target\n" +
1025                                    "    --runtime RUNTIME   Manually specifies the Mono runtime to use\n" +
1026                                    "    --target-server URL Specified a server to download targets from, default is " + target_server + "\n" +
1027                                    "\n" +
1028                                    "--custom   Builds a custom launcher, options for --custom\n" +
1029                                    "    -c                  Produce stub only, do not compile\n" +
1030                                    "    -oo obj             Specifies output filename for helper object file\n" +
1031                                    "    --dos2unix[=true|false]\n" +
1032                                    "                        When no value provided, or when `true` specified\n" +
1033                                    "                        `dos2unix` will be invoked to convert paths on Windows.\n" +
1034                                    "                        When `--dos2unix=false` used, dos2unix is NEVER used.\n" +
1035                                    "    --keeptemp          Keeps the temporary files\n" +
1036                                    "    --static            Statically link to mono libs\n" +
1037                                    "    --nomain            Don't include a main() function, for libraries\n" +
1038                                    "    --custom-main C     Link the specified compilation unit (.c or .obj) with entry point/init code\n" +
1039                                    "    -z                  Compress the assemblies before embedding.\n" +
1040                                    "    --static-ctor ctor  Add a constructor call to the supplied function.\n" +
1041                                    "                        You need zlib development headers and libraries.\n");
1042         }
1043
1044         [DllImport ("libc")]
1045         static extern int system (string s);
1046         [DllImport ("libc")]
1047         static extern int uname (IntPtr buf);
1048
1049         static void DetectOS ()
1050         {
1051                 if (!IsUnix) {
1052                         os_message = "OS is: Windows";
1053                         style = "windows";
1054                         return;
1055                 }
1056
1057                 IntPtr buf = Marshal.AllocHGlobal (8192);
1058                 if (uname (buf) != 0){
1059                         os_message = "Warning: Unable to detect OS";
1060                         Marshal.FreeHGlobal (buf);
1061                         return;
1062                 }
1063                 string os = Marshal.PtrToStringAnsi (buf);
1064                 os_message = "OS is: " + os;
1065                 if (os == "Darwin")
1066                         style = "osx";
1067
1068                 Marshal.FreeHGlobal (buf);
1069         }
1070
1071         static bool IsUnix {
1072                 get {
1073                         int p = (int) Environment.OSVersion.Platform;
1074                         return ((p == 4) || (p == 128) || (p == 6));
1075                 }
1076         }
1077
1078         static void Execute (string cmdLine)
1079         {
1080                 if (IsUnix) {
1081                         if (!quiet)
1082                                 Console.WriteLine ("[execute cmd]: " + cmdLine);
1083                         int ret = system (cmdLine);
1084                         if (ret != 0)
1085                         {
1086                                 Error(String.Format("[Fail] {0}", ret));
1087                         }
1088                         return;
1089                 }
1090
1091                 // on Windows, we have to pipe the output of a
1092                 // `cmd` interpolation to dos2unix, because the shell does not
1093                 // strip the CRLFs generated by the native pkg-config distributed
1094                 // with Mono.
1095                 //
1096                 // But if it's *not* on cygwin, just skip it.
1097
1098                 // check if dos2unix is applicable.
1099                 if (use_dos2unix == true)
1100                         try {
1101                         var info = new ProcessStartInfo ("dos2unix");
1102                         info.CreateNoWindow = true;
1103                         info.RedirectStandardInput = true;
1104                         info.UseShellExecute = false;
1105                         var dos2unix = Process.Start (info);
1106                         dos2unix.StandardInput.WriteLine ("aaa");
1107                         dos2unix.StandardInput.WriteLine ("\u0004");
1108                         dos2unix.StandardInput.Close ();
1109                         dos2unix.WaitForExit ();
1110                         if (dos2unix.ExitCode == 0)
1111                                 use_dos2unix = true;
1112                 } catch {
1113                         Console.WriteLine("Warning: dos2unix not found");
1114                         use_dos2unix = false;
1115                 }
1116
1117                 if (use_dos2unix == null)
1118                         use_dos2unix = false;
1119
1120                 ProcessStartInfo psi = new ProcessStartInfo();
1121                 psi.UseShellExecute = false;
1122
1123                 // if there is no dos2unix, just run cmd /c.
1124                 if (use_dos2unix == false)
1125                 {
1126                         psi.FileName = "cmd";
1127                         psi.Arguments = String.Format("/c \"{0}\"", cmdLine);
1128                 }
1129                 else
1130                 {
1131                         psi.FileName = "sh";
1132                         StringBuilder b = new StringBuilder();
1133                         int count = 0;
1134                         for (int i = 0; i < cmdLine.Length; i++)
1135                         {
1136                                 if (cmdLine[i] == '`')
1137                                 {
1138                                         if (count % 2 != 0)
1139                                         {
1140                                                 b.Append("|dos2unix");
1141                                         }
1142                                         count++;
1143                                 }
1144                                 b.Append(cmdLine[i]);
1145                         }
1146                         cmdLine = b.ToString();
1147                         psi.Arguments = String.Format("-c \"{0}\"", cmdLine);
1148                 }
1149
1150                 if (!quiet)
1151                         Console.WriteLine(cmdLine);
1152                 using (Process p = Process.Start (psi)) {
1153                         p.WaitForExit ();
1154                         int ret = p.ExitCode;
1155                         if (ret != 0){
1156                                 Error (String.Format("[Fail] {0}", ret));
1157                         }
1158                 }
1159         }
1160
1161         static string GetEnv(string name, string defaultValue)
1162         {
1163                 string val = Environment.GetEnvironmentVariable(name);
1164                 if (val != null)
1165                 {
1166                         if (!quiet)
1167                                 Console.WriteLine("{0} = {1}", name, val);
1168                 }
1169                 else
1170                 {
1171                         val = defaultValue;
1172                         if (!quiet)
1173                                 Console.WriteLine("{0} = {1} (default)", name, val);
1174                 }
1175                 return val;
1176         }
1177
1178         static string LocateFile(string default_path)
1179         {
1180                 var override_path = Path.Combine(Directory.GetCurrentDirectory(), Path.GetFileName(default_path));
1181                 if (File.Exists(override_path))
1182                         return override_path;
1183                 else if (File.Exists(default_path))
1184                         return default_path;
1185                 else
1186                         throw new FileNotFoundException(default_path);
1187         }
1188 }