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 //
  11 using System;
  12 using System.Diagnostics;
  13 using System.Xml;
  14 using System.Collections.Generic;
  15 using System.IO;
  16 using System.IO.Compression;
  17 using System.Runtime.InteropServices;
  18 using System.Text;
  19 using IKVM.Reflection;
  20
  21
  22 using System.Threading.Tasks;
  23
  24 class MakeBundle {
  25         static string output = "a.out";
  26         static string object_out = null;
  27         static List<string> link_paths = new List<string> ();
  28         static bool autodeps = false;
  29         static bool keeptemp = false;
  30         static bool compile_only = false;
  31         static bool static_link = false;
  32         static string config_file = null;
  33         static string machine_config_file = null;
  34         static string config_dir = null;
  35         static string style = "linux";
  36         static string os_message = "";
  37         static bool compress;
  38         static bool nomain;
  39         static string custom_main = null;
  40         static bool? use_dos2unix = null;
  41         static bool skip_scan;
  42         static string ctor_func;
  43         static bool quiet;
  44
  45         static int Main (string [] args)
  46         {
  47                 List<string> sources = new List<string> ();
  48                 int top = args.Length;
  49                 link_paths.Add (".");
  50
  51                 DetectOS ();
  52
  53                 for (int i = 0; i < top; i++){
  54                         switch (args [i]){
  55                         case "--help": case "-h": case "-?":
  56                                 Help ();
  57                                 return 1;
  58
  59                         case "-c":
  60                                 compile_only = true;
  61                                 break;
  62
  63                         case "-o":
  64                                 if (i+1 == top){
  65                                         Help ();
  66                                         return 1;
  67                                 }
  68                                 output = args [++i];
  69                                 break;
  70
  71                         case "-oo":
  72                                 if (i+1 == top){
  73                                         Help ();
  74                                         return 1;
  75                                 }
  76                                 object_out = args [++i];
  77                                 break;
  78
  79                         case "-L":
  80                                 if (i+1 == top){
  81                                         Help ();
  82                                         return 1;
  83                                 }
  84                                 link_paths.Add (args [++i]);
  85                                 break;
  86
  87                         case "--nodeps":
  88                                 autodeps = false;
  89                                 break;
  90
  91                         case "--deps":
  92                                 autodeps = true;
  93                                 break;
  94
  95                         case "--keeptemp":
  96                                 keeptemp = true;
  97                                 break;
  98                         case "--static":
  99                                 static_link = true;
 100                                 if (!quiet) {
 101                                         Console.WriteLine ("Note that statically linking the LGPL Mono runtime has more licensing restrictions than dynamically linking.");
 102                                         Console.WriteLine ("See http://www.mono-project.com/Licensing for details on licensing.");
 103                                 }
 104                                 break;
 105                         case "--config":
 106                                 if (i+1 == top) {
 107                                         Help ();
 108                                         return 1;
 109                                 }
 110
 111                                 config_file = args [++i];
 112                                 break;
 113                         case "--machine-config":
 114                                 if (i+1 == top) {
 115                                         Help ();
 116                                         return 1;
 117                                 }
 118
 119                                 machine_config_file = args [++i];
 120
 121                                 if (!quiet)
 122                                         Console.WriteLine ("WARNING:\n  Check that the machine.config file you are bundling\n  doesn't contain sensitive information specific to this machine.");
 123                                 break;
 124                         case "--config-dir":
 125                                 if (i+1 == top) {
 126                                         Help ();
 127                                         return 1;
 128                                 }
 129
 130                                 config_dir = args [++i];
 131                                 break;
 132                         case "-z":
 133                                 compress = true;
 134                                 break;
 135                         case "--nomain":
 136                                 nomain = true;
 137                                 break;
 138                         case "--custom-main":
 139                                 if (i+1 == top) {
 140                                         Help ();
 141                                         return 1;
 142                                 }
 143                                 custom_main = args [++i];
 144                                 break;
 145                         case "--style":
 146                                 if (i+1 == top) {
 147                                         Help ();
 148                                         return 1;
 149                                 }
 150                                 style = args [++i];
 151                                 switch (style) {
 152                                 case "windows":
 153                                 case "mac":
 154                                 case "linux":
 155                                         break;
 156                                 default:
 157                                         Console.Error.WriteLine ("Invalid style '{0}' - only 'windows', 'mac' and 'linux' are supported for --style argument", style);
 158                                         return 1;
 159                                 }
 160
 161                                 break;
 162                         case "--skip-scan":
 163                                 skip_scan = true;
 164                                 break;
 165                         case "--static-ctor":
 166                                 if (i+1 == top) {
 167                                         Help ();
 168                                         return 1;
 169                                 }
 170                                 ctor_func = args [++i];
 171                                 break;
 172                         case "--dos2unix":
 173                         case "--dos2unix=true":
 174                                 use_dos2unix = true;
 175                                 break;
 176                         case "--dos2unix=false":
 177                                 use_dos2unix = false;
 178                                 break;
 179                         case "-q":
 180                         case "--quiet":
 181                                 quiet = true;
 182                                 break;
 183                         default:
 184                                 sources.Add (args [i]);
 185                                 break;
 186                         }
 187
 188                 }
 189
 190                 if (!quiet) {
 191                         Console.WriteLine (os_message);
 192                         Console.WriteLine ("Sources: {0} Auto-dependencies: {1}", sources.Count, autodeps);
 193                 }
 194                 if (sources.Count == 0 || output == null) {
 195                         Help ();
 196                         Environment.Exit (1);
 197                 }
 198
 199                 List<string> assemblies = LoadAssemblies (sources);
 200                 List<string> files = new List<string> ();
 201                 foreach (string file in assemblies)
 202                         if (!QueueAssembly (files, file))
 203                                 return 1;
 204
 205                 GenerateBundles (files);
 206                 //GenerateJitWrapper ();
 207
 208                 return 0;
 209         }
 210
 211         static void WriteSymbol (StreamWriter sw, string name, long size)
 212         {
 213                 switch (style){
 214                 case "linux":
 215                         sw.WriteLine (
 216                                 ".globl {0}\n" +
 217                                 "\t.section .rodata\n" +
 218                                 "\t.p2align 5\n" +
 219                                 "\t.type {0}, \"object\"\n" +
 220                                 "\t.size {0}, {1}\n" +
 221                                 "{0}:\n",
 222                                 name, size);
 223                         break;
 224                 case "osx":
 225                         sw.WriteLine (
 226                                 "\t.section __TEXT,__text,regular,pure_instructions\n" +
 227                                 "\t.globl _{0}\n" +
 228                                 "\t.data\n" +
 229                                 "\t.align 4\n" +
 230                                 "_{0}:\n",
 231                                 name, size);
 232                         break;
 233                 case "windows":
 234                         sw.WriteLine (
 235                                 ".globl _{0}\n" +
 236                                 "\t.section .rdata,\"dr\"\n" +
 237                                 "\t.align 32\n" +
 238                                 "_{0}:\n",
 239                                 name, size);
 240                         break;
 241                 }
 242         }
 243
 244         static string [] chars = new string [256];
 245
 246         static void WriteBuffer (StreamWriter ts, Stream stream, byte[] buffer)
 247         {
 248                 int n;
 249
 250                 // Preallocate the strings we need.
 251                 if (chars [0] == null) {
 252                         for (int i = 0; i < chars.Length; i++)
 253                                 chars [i] = string.Format ("{0}", i.ToString ());
 254                 }
 255
 256                 while ((n = stream.Read (buffer, 0, buffer.Length)) != 0) {
 257                         int count = 0;
 258                         for (int i = 0; i < n; i++) {
 259                                 if (count % 32 == 0) {
 260                                         ts.Write ("\n\t.byte ");
 261                                 } else {
 262                                         ts.Write (",");
 263                                 }
 264                                 ts.Write (chars [buffer [i]]);
 265                                 count ++;
 266                         }
 267                 }
 268
 269                 ts.WriteLine ();
 270         }
 271
 272         static void GenerateBundles (List<string> files)
 273         {
 274                 string temp_s = "temp.s"; // Path.GetTempFileName ();
 275                 string temp_c = "temp.c";
 276                 string temp_o = "temp.o";
 277
 278                 if (compile_only)
 279                         temp_c = output;
 280                 if (object_out != null)
 281                         temp_o = object_out;
 282
 283                 try {
 284                         List<string> c_bundle_names = new List<string> ();
 285                         List<string[]> config_names = new List<string[]> ();
 286
 287                         using (StreamWriter ts = new StreamWriter (File.Create (temp_s))) {
 288                         using (StreamWriter tc = new StreamWriter (File.Create (temp_c))) {
 289                         string prog = null;
 290
 291 #if XAMARIN_ANDROID
 292                         tc.WriteLine ("/* This source code was produced by mkbundle, do not edit */");
 293                         tc.WriteLine ("\n#ifndef NULL\n#define NULL (void *)0\n#endif");
 294                         tc.WriteLine (@"
 295 typedef struct {
 296         const char *name;
 297         const unsigned char *data;
 298         const unsigned int size;
 299 } MonoBundledAssembly;
 300 void          mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies);
 301 void          mono_register_config_for_assembly (const char* assembly_name, const char* config_xml);
 302 ");
 303 #else
 304                         tc.WriteLine ("#include <mono/metadata/mono-config.h>");
 305                         tc.WriteLine ("#include <mono/metadata/assembly.h>\n");
 306 #endif
 307
 308                         if (compress) {
 309                                 tc.WriteLine ("typedef struct _compressed_data {");
 310                                 tc.WriteLine ("\tMonoBundledAssembly assembly;");
 311                                 tc.WriteLine ("\tint compressed_size;");
 312                                 tc.WriteLine ("} CompressedAssembly;\n");
 313                         }
 314
 315                         object monitor = new object ();
 316
 317                         var streams = new Dictionary<string, Stream> ();
 318                         var sizes = new Dictionary<string, long> ();
 319
 320                         // Do the file reading and compression in parallel
 321                         Action<string> body = delegate (string url) {
 322                                 string fname = LocateFile (new Uri (url).LocalPath);
 323                                 Stream stream = File.OpenRead (fname);
 324
 325                                 long real_size = stream.Length;
 326                                 int n;
 327                                 if (compress) {
 328                                         byte[] cbuffer = new byte [8192];
 329                                         MemoryStream ms = new MemoryStream ();
 330                                         GZipStream deflate = new GZipStream (ms, CompressionMode.Compress, leaveOpen:true);
 331                                         while ((n = stream.Read (cbuffer, 0, cbuffer.Length)) != 0){
 332                                                 deflate.Write (cbuffer, 0, n);
 333                                         }
 334                                         stream.Close ();
 335                                         deflate.Close ();
 336                                         byte [] bytes = ms.GetBuffer ();
 337                                         stream = new MemoryStream (bytes, 0, (int) ms.Length, false, false);
 338                                 }
 339
 340                                 lock (monitor) {
 341                                         streams [url] = stream;
 342                                         sizes [url] = real_size;
 343                                 }
 344                         };
 345
 346                         //#if NET_4_5
 347 #if FALSE
 348                         Parallel.ForEach (files, body);
 349 #else
 350                         foreach (var url in files)
 351                                 body (url);
 352 #endif
 353
 354                         // The non-parallel part
 355                         byte [] buffer = new byte [8192];
 356                         // everything other than a-zA-Z0-9_ needs to be escaped in asm symbols.
 357                         var symbolEscapeRE = new System.Text.RegularExpressions.Regex ("[^\\w_]");
 358                         foreach (var url in files) {
 359                                 string fname = LocateFile (new Uri (url).LocalPath);
 360                                 string aname = Path.GetFileName (fname);
 361                                 string encoded = symbolEscapeRE.Replace (aname, "_");
 362
 363                                 if (prog == null)
 364                                         prog = aname;
 365
 366                                 var stream = streams [url];
 367                                 var real_size = sizes [url];
 368
 369                                 if (!quiet)
 370                                         Console.WriteLine ("   embedding: " + fname);
 371
 372                                 WriteSymbol (ts, "assembly_data_" + encoded, stream.Length);
 373
 374                                 WriteBuffer (ts, stream, buffer);
 375
 376                                 if (compress) {
 377                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 378                                         tc.WriteLine ("static CompressedAssembly assembly_bundle_{0} = {{{{\"{1}\"," +
 379                                                                   " assembly_data_{0}, {2}}}, {3}}};",
 380                                                                   encoded, aname, real_size, stream.Length);
 381                                         if (!quiet) {
 382                                                 double ratio = ((double) stream.Length * 100) / real_size;
 383                                                 Console.WriteLine ("   compression ratio: {0:.00}%", ratio);
 384                                         }
 385                                 } else {
 386                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 387                                         tc.WriteLine ("static const MonoBundledAssembly assembly_bundle_{0} = {{\"{1}\", assembly_data_{0}, {2}}};",
 388                                                                   encoded, aname, real_size);
 389                                 }
 390                                 stream.Close ();
 391
 392                                 c_bundle_names.Add ("assembly_bundle_" + encoded);
 393
 394                                 try {
 395                                         FileStream cf = File.OpenRead (fname + ".config");
 396                                         if (!quiet)
 397                                                 Console.WriteLine (" config from: " + fname + ".config");
 398                                         tc.WriteLine ("extern const unsigned char assembly_config_{0} [];", encoded);
 399                                         WriteSymbol (ts, "assembly_config_" + encoded, cf.Length);
 400                                         WriteBuffer (ts, cf, buffer);
 401                                         ts.WriteLine ();
 402                                         config_names.Add (new string[] {aname, encoded});
 403                                 } catch (FileNotFoundException) {
 404                                         /* we ignore if the config file doesn't exist */
 405                                 }
 406                         }
 407
 408                         if (config_file != null){
 409                                 FileStream conf;
 410                                 try {
 411                                         conf = File.OpenRead (config_file);
 412                                 } catch {
 413                                         Error (String.Format ("Failure to open {0}", config_file));
 414                                         return;
 415                                 }
 416                                 if (!quiet)
 417                                         Console.WriteLine ("System config from: " + config_file);
 418                                 tc.WriteLine ("extern const char system_config;");
 419                                 WriteSymbol (ts, "system_config", config_file.Length);
 420
 421                                 WriteBuffer (ts, conf, buffer);
 422                                 // null terminator
 423                                 ts.Write ("\t.byte 0\n");
 424                                 ts.WriteLine ();
 425                         }
 426
 427                         if (machine_config_file != null){
 428                                 FileStream conf;
 429                                 try {
 430                                         conf = File.OpenRead (machine_config_file);
 431                                 } catch {
 432                                         Error (String.Format ("Failure to open {0}", machine_config_file));
 433                                         return;
 434                                 }
 435                                 if (!quiet)
 436                                         Console.WriteLine ("Machine config from: " + machine_config_file);
 437                                 tc.WriteLine ("extern const char machine_config;");
 438                                 WriteSymbol (ts, "machine_config", machine_config_file.Length);
 439
 440                                 WriteBuffer (ts, conf, buffer);
 441                                 ts.Write ("\t.byte 0\n");
 442                                 ts.WriteLine ();
 443                         }
 444                         ts.Close ();
 445
 446                         if (compress)
 447                                 tc.WriteLine ("\nstatic const CompressedAssembly *compressed [] = {");
 448                         else
 449                                 tc.WriteLine ("\nstatic const MonoBundledAssembly *bundled [] = {");
 450
 451                         foreach (string c in c_bundle_names){
 452                                 tc.WriteLine ("\t&{0},", c);
 453                         }
 454                         tc.WriteLine ("\tNULL\n};\n");
 455                         tc.WriteLine ("static char *image_name = \"{0}\";", prog);
 456
 457                         if (ctor_func != null) {
 458                                 tc.WriteLine ("\nextern void {0} (void);", ctor_func);
 459                                 tc.WriteLine ("\n__attribute__ ((constructor)) static void mono_mkbundle_ctor (void)");
 460                                 tc.WriteLine ("{{\n\t{0} ();\n}}", ctor_func);
 461                         }
 462
 463                         tc.WriteLine ("\nstatic void install_dll_config_files (void) {\n");
 464                         foreach (string[] ass in config_names){
 465                                 tc.WriteLine ("\tmono_register_config_for_assembly (\"{0}\", assembly_config_{1});\n", ass [0], ass [1]);
 466                         }
 467                         if (config_file != null)
 468                                 tc.WriteLine ("\tmono_config_parse_memory (&system_config);\n");
 469                         if (machine_config_file != null)
 470                                 tc.WriteLine ("\tmono_register_machine_config (&machine_config);\n");
 471                         tc.WriteLine ("}\n");
 472
 473                         if (config_dir != null)
 474                                 tc.WriteLine ("static const char *config_dir = \"{0}\";", config_dir);
 475                         else
 476                                 tc.WriteLine ("static const char *config_dir = NULL;");
 477
 478                         Stream template_stream;
 479                         if (compress) {
 480                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_z.c");
 481                         } else {
 482                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template.c");
 483                         }
 484
 485                         StreamReader s = new StreamReader (template_stream);
 486                         string template = s.ReadToEnd ();
 487                         tc.Write (template);
 488
 489                         if (!nomain && custom_main == null) {
 490                                 Stream template_main_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_main.c");
 491                                 StreamReader st = new StreamReader (template_main_stream);
 492                                 string maintemplate = st.ReadToEnd ();
 493                                 tc.Write (maintemplate);
 494                         }
 495
 496                         tc.Close ();
 497
 498                         string assembler = GetEnv("AS", "as");
 499                         string as_cmd = String.Format("{0} -o {1} {2} ", assembler, temp_o, temp_s);
 500                         Execute(as_cmd);
 501
 502                         if (compile_only)
 503                                 return;
 504
 505                         if (!quiet)
 506                                 Console.WriteLine("Compiling:");
 507
 508                         if (style == "windows")
 509                         {
 510
 511                                 Func<string, string> quote = (pp) => { return "\"" + pp + "\""; };
 512
 513                                 string compiler = GetEnv("CC", "cl.exe");
 514                                 string winsdkPath = GetEnv("WINSDK", @"C:\Program Files (x86)\Windows Kits\8.1");
 515                                 string vsPath = GetEnv("VSINCLUDE", @"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC");
 516                                 string monoPath = GetEnv("MONOPREFIX", @"C:\Program Files (x86)\Mono");
 517
 518                                 string[] includes = new string[] {winsdkPath + @"\Include\um", winsdkPath + @"\Include\shared", vsPath + @"\include", monoPath + @"\include\mono-2.0", "." };
 519                                 string[] libs = new string[] { winsdkPath + @"\Lib\winv6.3\um\x86" , vsPath + @"\lib" };
 520                                 var linkLibraries = new string[] {  "kernel32.lib",
 521                                                                                                 "version.lib",
 522                                                                                                 "Ws2_32.lib",
 523                                                                                                 "Mswsock.lib",
 524                                                                                                 "Psapi.lib",
 525                                                                                                 "shell32.lib",
 526                                                                                                 "OleAut32.lib",
 527                                                                                                 "ole32.lib",
 528                                                                                                 "winmm.lib",
 529                                                                                                 "user32.lib",
 530                                                                                                 "libvcruntime.lib",
 531                                                                                                 "advapi32.lib",
 532                                                                                                 "OLDNAMES.lib",
 533                                                                                                 "libucrt.lib" };
 534
 535                                 string glue_obj = "mkbundle_glue.obj";
 536                                 string monoLib;
 537
 538                                 if (static_link)
 539                                         monoLib = LocateFile (monoPath + @"\lib\monosgen-2.0-static.lib");
 540
 541                                 else {
 542                                         Console.WriteLine ("WARNING: Dynamically linking the Mono runtime on Windows is not a tested option.");
 543                                         monoLib = LocateFile (monoPath + @"\lib\monosgen-2.0.lib");
 544                                         LocateFile (monoPath + @"\lib\monosgen-2.0.dll"); // in this case, the .lib is just the import library, and the .dll is also needed
 545                                 }
 546
 547                                 var compilerArgs = new List<string>();
 548                                 compilerArgs.Add("/MT");
 549
 550                                 foreach (string include in includes)
 551                                         compilerArgs.Add(String.Format ("/I {0}", quote (include)));
 552
 553                                 if (!nomain || custom_main != null) {
 554                                         compilerArgs.Add(quote(temp_c));
 555                                         compilerArgs.Add(quote(temp_o));
 556                                         if (custom_main != null)
 557                                                 compilerArgs.Add(quote(custom_main));
 558                                         compilerArgs.Add(quote(monoLib));
 559                                         compilerArgs.Add("/link");
 560                                         compilerArgs.Add("/NODEFAULTLIB");
 561                                         compilerArgs.Add("/SUBSYSTEM:windows");
 562                                         compilerArgs.Add("/ENTRY:mainCRTStartup");
 563                                         compilerArgs.AddRange(linkLibraries);
 564                                         compilerArgs.Add("/out:"+ output);
 565
 566                                         string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 567                                         Execute (cl_cmd);
 568                                 }
 569                                 else
 570                                 {
 571                                         // we are just creating a .lib
 572                                         compilerArgs.Add("/c"); // compile only
 573                                         compilerArgs.Add(temp_c);
 574                                         compilerArgs.Add(String.Format("/Fo" + glue_obj)); // .obj output name
 575
 576                                         string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 577                                         Execute (cl_cmd);
 578
 579                                         string librarian = GetEnv ("LIB", "lib.exe");
 580                                         var librarianArgs = new List<string> ();
 581                                         librarianArgs.Add (String.Format ("/out:{0}.lib" + output));
 582                                         librarianArgs.Add (temp_o);
 583                                         librarianArgs.Add (glue_obj);
 584                                         librarianArgs.Add (monoLib);
 585                                         string lib_cmd = String.Format("{0} {1}", librarian, String.Join(" ", librarianArgs.ToArray()));
 586                                         Execute (lib_cmd);
 587                                 }
 588                         }
 589                         else
 590                         {
 591                                 string zlib = (compress ? "-lz" : "");
 592                                 string debugging = "-g";
 593                                 string cc = GetEnv("CC", "cc");
 594                                 string cmd = null;
 595
 596                                 if (style == "linux")
 597                                         debugging = "-ggdb";
 598                                 if (static_link)
 599                                 {
 600                                         string smonolib;
 601                                         if (style == "osx")
 602                                                 smonolib = "`pkg-config --variable=libdir mono-2`/libmono-2.0.a ";
 603                                         else
 604                                                 smonolib = "-Wl,-Bstatic -lmono-2.0 -Wl,-Bdynamic ";
 605                                         cmd = String.Format("{4} -o '{2}' -Wall `pkg-config --cflags mono-2` {0} {3} " +
 606                                                 "`pkg-config --libs-only-L mono-2` " + smonolib +
 607                                                 "`pkg-config --libs-only-l mono-2 | sed -e \"s/\\-lmono-2.0 //\"` {1}",
 608                                                 temp_c, temp_o, output, zlib, cc);
 609                                 }
 610                                 else
 611                                 {
 612
 613                                         cmd = String.Format("{4} " + debugging + " -o '{2}' -Wall {0} `pkg-config --cflags --libs mono-2` {3} {1}",
 614                                                 temp_c, temp_o, output, zlib, cc);
 615                                 }
 616                                 Execute (cmd);
 617                         }
 618
 619                         if (!quiet)
 620                                 Console.WriteLine ("Done");
 621                 }
 622         }
 623                 } finally {
 624                         if (!keeptemp){
 625                                 if (object_out == null){
 626                                         File.Delete (temp_o);
 627                                 }
 628                                 if (!compile_only){
 629                                         File.Delete (temp_c);
 630                                 }
 631                                 File.Delete (temp_s);
 632                         }
 633                 }
 634         }
 635
 636         static List<string> LoadAssemblies (List<string> sources)
 637         {
 638                 List<string> assemblies = new List<string> ();
 639                 bool error = false;
 640
 641                 foreach (string name in sources){
 642                         try {
 643                                 Assembly a = LoadAssembly (name);
 644
 645                                 if (a == null){
 646                                         error = true;
 647                                         continue;
 648                                 }
 649
 650                                 assemblies.Add (a.CodeBase);
 651                         } catch (Exception) {
 652                                 if (skip_scan) {
 653                                         if (!quiet)
 654                                                 Console.WriteLine ("File will not be scanned: {0}", name);
 655                                         assemblies.Add (new Uri (new FileInfo (name).FullName).ToString ());
 656                                 } else {
 657                                         throw;
 658                                 }
 659                         }
 660                 }
 661
 662                 if (error)
 663                         Environment.Exit (1);
 664
 665                 return assemblies;
 666         }
 667
 668         static readonly Universe universe = new Universe ();
 669         static readonly Dictionary<string, string> loaded_assemblies = new Dictionary<string, string> ();
 670
 671         static bool QueueAssembly (List<string> files, string codebase)
 672         {
 673                 // Console.WriteLine ("CODE BASE IS {0}", codebase);
 674                 if (files.Contains (codebase))
 675                         return true;
 676
 677                 var path = new Uri(codebase).LocalPath;
 678                 var name = Path.GetFileName (path);
 679                 string found;
 680                 if (loaded_assemblies.TryGetValue (name, out found)) {
 681                         Error (string.Format ("Duplicate assembly name `{0}'. Both `{1}' and `{2}' use same assembly name.", name, path, found));
 682                         return false;
 683                 }
 684
 685                 loaded_assemblies.Add (name, path);
 686
 687                 files.Add (codebase);
 688                 if (!autodeps)
 689                         return true;
 690                 try {
 691                         Assembly a = universe.LoadFile (path);
 692
 693                         foreach (AssemblyName an in a.GetReferencedAssemblies ()) {
 694                                 a = universe.Load (an.FullName);
 695                                 if (!QueueAssembly (files, a.CodeBase))
 696                                         return false;
 697                         }
 698                 } catch (Exception) {
 699                         if (!skip_scan)
 700                                 throw;
 701                 }
 702
 703                 return true;
 704         }
 705
 706         static Assembly LoadAssembly (string assembly)
 707         {
 708                 Assembly a;
 709
 710                 try {
 711                         char[] path_chars = { '/', '\\' };
 712
 713                         if (assembly.IndexOfAny (path_chars) != -1) {
 714                                 a = universe.LoadFile (assembly);
 715                         } else {
 716                                 string ass = assembly;
 717                                 if (ass.EndsWith (".dll"))
 718                                         ass = assembly.Substring (0, assembly.Length - 4);
 719                                 a = universe.Load (ass);
 720                         }
 721                         return a;
 722                 } catch (FileNotFoundException){
 723                         string total_log = "";
 724
 725                         foreach (string dir in link_paths){
 726                                 string full_path = Path.Combine (dir, assembly);
 727                                 if (!assembly.EndsWith (".dll") && !assembly.EndsWith (".exe"))
 728                                         full_path += ".dll";
 729
 730                                 try {
 731                                         a = universe.LoadFile (full_path);
 732                                         return a;
 733                                 } catch (FileNotFoundException ff) {
 734                                         total_log += ff.FusionLog;
 735                                         continue;
 736                                 }
 737                         }
 738                         Error ("Cannot find assembly `" + assembly + "'" );
 739                         if (!quiet)
 740                                 Console.WriteLine ("Log: \n" + total_log);
 741                 } catch (IKVM.Reflection.BadImageFormatException f) {
 742                         if (skip_scan)
 743                                 throw;
 744                         Error ("Cannot load assembly (bad file format) " + f.Message);
 745                 } catch (FileLoadException f){
 746                         Error ("Cannot load assembly " + f.Message);
 747                 } catch (ArgumentNullException){
 748                         Error("Cannot load assembly (null argument)");
 749                 }
 750                 return null;
 751         }
 752
 753         static void Error (string msg)
 754         {
 755                 Console.Error.WriteLine ("ERROR: " + msg);
 756                 Environment.Exit (1);
 757         }
 758
 759         static void Help ()
 760         {
 761                 Console.WriteLine ("Usage is: mkbundle [options] assembly1 [assembly2...]\n\n" +
 762                                    "Options:\n" +
 763                                    "    -c                  Produce stub only, do not compile\n" +
 764                                    "    -o out              Specifies output filename\n" +
 765                                    "    -oo obj             Specifies output filename for helper object file\n" +
 766                                    "    -L path             Adds `path' to the search path for assemblies\n" +
 767                                    "    --nodeps            Turns off automatic dependency embedding (default)\n" +
 768                                    "    --deps              Turns on automatic dependency embedding\n" +
 769                                    "    --dos2unix[=true|false]\n" +
 770                                    "                        When no value provided, or when `true` specified\n" +
 771                                    "                        `dos2unix` will be invoked to convert paths on Windows.\n" +
 772                                    "                        When `--dos2unix=false` used, dos2unix is NEVER used.\n" +
 773                                    "    --keeptemp          Keeps the temporary files\n" +
 774                                    "    --config F          Bundle system config file `F'\n" +
 775                                    "    --config-dir D      Set MONO_CFG_DIR to `D'\n" +
 776                                    "    --machine-config F  Use the given file as the machine.config for the application.\n" +
 777                                    "    --static            Statically link to mono libs\n" +
 778                                    "    --nomain            Don't include a main() function, for libraries\n" +
 779                                    "    --custom-main C         Link the specified compilation unit (.c or .obj) with entry point/init code\n" +
 780                                    "    -z                  Compress the assemblies before embedding.\n" +
 781                                    "    --skip-scan         Skip scanning assemblies that could not be loaded (but still embed them).\n" +
 782                                    "    --static-ctor ctor  Add a constructor call to the supplied function.\n" +
 783                                    "                        You need zlib development headers and libraries.\n");
 784         }
 785
 786         [DllImport ("libc")]
 787         static extern int system (string s);
 788         [DllImport ("libc")]
 789         static extern int uname (IntPtr buf);
 790
 791         static void DetectOS ()
 792         {
 793                 if (!IsUnix) {
 794                         os_message = "OS is: Windows";
 795                         style = "windows";
 796                         return;
 797                 }
 798
 799                 IntPtr buf = Marshal.AllocHGlobal (8192);
 800                 if (uname (buf) != 0){
 801                         os_message = "Warning: Unable to detect OS";
 802                         Marshal.FreeHGlobal (buf);
 803                         return;
 804                 }
 805                 string os = Marshal.PtrToStringAnsi (buf);
 806                 os_message = "OS is: " + os;
 807                 if (os == "Darwin")
 808                         style = "osx";
 809
 810                 Marshal.FreeHGlobal (buf);
 811         }
 812
 813         static bool IsUnix {
 814                 get {
 815                         int p = (int) Environment.OSVersion.Platform;
 816                         return ((p == 4) || (p == 128) || (p == 6));
 817                 }
 818         }
 819
 820         static void Execute (string cmdLine)
 821         {
 822                 if (IsUnix) {
 823                         if (!quiet)
 824                                 Console.WriteLine ("[execute cmd]: " + cmdLine);
 825                         int ret = system (cmdLine);
 826                         if (ret != 0)
 827                         {
 828                                 Error(String.Format("[Fail] {0}", ret));
 829                         }
 830                         return;
 831                 }
 832
 833                 // on Windows, we have to pipe the output of a
 834                 // `cmd` interpolation to dos2unix, because the shell does not
 835                 // strip the CRLFs generated by the native pkg-config distributed
 836                 // with Mono.
 837                 //
 838                 // But if it's *not* on cygwin, just skip it.
 839
 840                 // check if dos2unix is applicable.
 841                 if (use_dos2unix == true)
 842                         try {
 843                         var info = new ProcessStartInfo ("dos2unix");
 844                         info.CreateNoWindow = true;
 845                         info.RedirectStandardInput = true;
 846                         info.UseShellExecute = false;
 847                         var dos2unix = Process.Start (info);
 848                         dos2unix.StandardInput.WriteLine ("aaa");
 849                         dos2unix.StandardInput.WriteLine ("\u0004");
 850                         dos2unix.StandardInput.Close ();
 851                         dos2unix.WaitForExit ();
 852                         if (dos2unix.ExitCode == 0)
 853                                 use_dos2unix = true;
 854                 } catch {
 855                         Console.WriteLine("Warning: dos2unix not found");
 856                         use_dos2unix = false;
 857                 }
 858
 859                 if (use_dos2unix == null)
 860                         use_dos2unix = false;
 861
 862                 ProcessStartInfo psi = new ProcessStartInfo();
 863                 psi.UseShellExecute = false;
 864
 865                 // if there is no dos2unix, just run cmd /c.
 866                 if (use_dos2unix == false)
 867                 {
 868                         psi.FileName = "cmd";
 869                         psi.Arguments = String.Format("/c \"{0}\"", cmdLine);
 870                 }
 871                 else
 872                 {
 873                         psi.FileName = "sh";
 874                         StringBuilder b = new StringBuilder();
 875                         int count = 0;
 876                         for (int i = 0; i < cmdLine.Length; i++)
 877                         {
 878                                 if (cmdLine[i] == '`')
 879                                 {
 880                                         if (count % 2 != 0)
 881                                         {
 882                                                 b.Append("|dos2unix");
 883                                         }
 884                                         count++;
 885                                 }
 886                                 b.Append(cmdLine[i]);
 887                         }
 888                         cmdLine = b.ToString();
 889                         psi.Arguments = String.Format("-c \"{0}\"", cmdLine);
 890                 }
 891
 892                 if (!quiet)
 893                         Console.WriteLine(cmdLine);
 894                 using (Process p = Process.Start (psi)) {
 895                         p.WaitForExit ();
 896                         int ret = p.ExitCode;
 897                         if (ret != 0){
 898                                 Error (String.Format("[Fail] {0}", ret));
 899                         }
 900                 }
 901         }
 902
 903         static string GetEnv(string name, string defaultValue)
 904         {
 905                 string val = Environment.GetEnvironmentVariable(name);
 906                 if (val != null)
 907                 {
 908                         if (!quiet)
 909                                 Console.WriteLine("{0} = {1}", name, val);
 910                 }
 911                 else
 912                 {
 913                         val = defaultValue;
 914                         if (!quiet)
 915                                 Console.WriteLine("{0} = {1} (default)", name, val);
 916                 }
 917                 return val;
 918         }
 919
 920         static string LocateFile(string default_path)
 921         {
 922                 var override_path = Path.Combine(Directory.GetCurrentDirectory(), Path.GetFileName(default_path));
 923                 if (File.Exists(override_path))
 924                         return override_path;
 925                 else if (File.Exists(default_path))
 926                         return default_path;
 927                 else
 928                         throw new FileNotFoundException(default_path);
 929         }
 930 }