tools/winebuild/main.c

   1 /*
   2  * Main function
   3  *
   4  * Copyright 1993 Robert J. Amstadt
   5  * Copyright 1995 Martin von Loewis
   6  * Copyright 1995, 1996, 1997 Alexandre Julliard
   7  * Copyright 1997 Eric Youngdale
   8  * Copyright 1999 Ulrich Weigand
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <assert.h>
  29 #include <stdio.h>
  30 #include <signal.h>
  31 #include <errno.h>
  32 #include <string.h>
  33 #include <stdarg.h>
  34 #include <ctype.h>
  35 #ifdef HAVE_GETOPT_H
  36 # include <getopt.h>
  37 #endif
  38
  39 #include "build.h"
  40
  41 int UsePIC = 0;
  42 int nb_lib_paths = 0;
  43 int nb_errors = 0;
  44 int display_warnings = 0;
  45 int kill_at = 0;
  46 int verbose = 0;
  47 int save_temps = 0;
  48 int link_ext_symbols = 0;
  49 int force_pointer_size = 0;
  50 int unwind_tables = 0;
  51
  52 #ifdef __i386__
  53 enum target_cpu target_cpu = CPU_x86;
  54 #elif defined(__x86_64__)
  55 enum target_cpu target_cpu = CPU_x86_64;
  56 #elif defined(__sparc__)
  57 enum target_cpu target_cpu = CPU_SPARC;
  58 #elif defined(__ALPHA__)
  59 enum target_cpu target_cpu = CPU_ALPHA;
  60 #elif defined(__powerpc__)
  61 enum target_cpu target_cpu = CPU_POWERPC;
  62 #elif defined(__arm__)
  63 enum target_cpu target_cpu = CPU_ARM;
  64 #else
  65 #error Unsupported CPU
  66 #endif
  67
  68 #ifdef __APPLE__
  69 enum target_platform target_platform = PLATFORM_APPLE;
  70 #elif defined(__FreeBSD__)
  71 enum target_platform target_platform = PLATFORM_FREEBSD;
  72 #elif defined(__sun)
  73 enum target_platform target_platform = PLATFORM_SOLARIS;
  74 #elif defined(_WIN32)
  75 enum target_platform target_platform = PLATFORM_WINDOWS;
  76 #else
  77 enum target_platform target_platform = PLATFORM_UNSPECIFIED;
  78 #endif
  79
  80 char *target_alias = NULL;
  81 char **lib_path = NULL;
  82
  83 char *input_file_name = NULL;
  84 char *spec_file_name = NULL;
  85 FILE *output_file = NULL;
  86 const char *output_file_name = NULL;
  87 static const char *output_file_source_name;
  88 static int fake_module;
  89
  90 char *as_command = NULL;
  91 char *ld_command = NULL;
  92 char *nm_command = NULL;
  93
  94 static int nb_res_files;
  95 static char **res_files;
  96
  97 /* execution mode */
  98 enum exec_mode_values
  99 {
 100     MODE_NONE,
 101     MODE_DLL,
 102     MODE_EXE,
 103     MODE_DEF,
 104     MODE_IMPLIB,
 105     MODE_RESOURCES
 106 };
 107
 108 static enum exec_mode_values exec_mode = MODE_NONE;
 109
 110 static const struct
 111 {
 112     const char *name;
 113     enum target_platform platform;
 114 } platform_names[] =
 115 {
 116     { "macos",   PLATFORM_APPLE },
 117     { "darwin",  PLATFORM_APPLE },
 118     { "freebsd", PLATFORM_FREEBSD },
 119     { "solaris", PLATFORM_SOLARIS },
 120     { "mingw32", PLATFORM_WINDOWS },
 121     { "windows", PLATFORM_WINDOWS },
 122     { "winnt",   PLATFORM_WINDOWS }
 123 };
 124
 125 /* set the dll file name from the input file name */
 126 static void set_dll_file_name( const char *name, DLLSPEC *spec )
 127 {
 128     char *p;
 129
 130     if (spec->file_name) return;
 131
 132     if ((p = strrchr( name, '\\' ))) name = p + 1;
 133     if ((p = strrchr( name, '/' ))) name = p + 1;
 134     spec->file_name = xmalloc( strlen(name) + 5 );
 135     strcpy( spec->file_name, name );
 136     if ((p = strrchr( spec->file_name, '.' )))
 137     {
 138         if (!strcmp( p, ".spec" ) || !strcmp( p, ".def" )) *p = 0;
 139     }
 140 }
 141
 142 /* set the dll name from the file name */
 143 static void init_dll_name( DLLSPEC *spec )
 144 {
 145     if (!spec->file_name)
 146     {
 147         char *p;
 148         spec->file_name = xstrdup( output_file_name );
 149         if ((p = strrchr( spec->file_name, '.' ))) *p = 0;
 150     }
 151     if (!spec->dll_name)  /* set default name from file name */
 152     {
 153         char *p;
 154         spec->dll_name = xstrdup( spec->file_name );
 155         if ((p = strrchr( spec->dll_name, '.' ))) *p = 0;
 156     }
 157 }
 158
 159 /* set the dll subsystem */
 160 static void set_subsystem( const char *subsystem, DLLSPEC *spec )
 161 {
 162     char *major, *minor, *str = xstrdup( subsystem );
 163
 164     if ((major = strchr( str, ':' ))) *major++ = 0;
 165     if (!strcmp( str, "native" )) spec->subsystem = IMAGE_SUBSYSTEM_NATIVE;
 166     else if (!strcmp( str, "windows" )) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 167     else if (!strcmp( str, "console" )) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_CUI;
 168     else if (!strcmp( str, "win16" )) spec->type = SPEC_WIN16;
 169     else fatal_error( "Invalid subsystem name '%s'\n", subsystem );
 170     if (major)
 171     {
 172         if ((minor = strchr( major, '.' )))
 173         {
 174             *minor++ = 0;
 175             spec->subsystem_minor = atoi( minor );
 176         }
 177         spec->subsystem_major = atoi( major );
 178     }
 179     free( str );
 180 }
 181
 182 /* set the target CPU and platform */
 183 static void set_target( const char *target )
 184 {
 185     unsigned int i;
 186     char *p, *platform, *spec = xstrdup( target );
 187
 188     /* target specification is in the form CPU-MANUFACTURER-OS or CPU-MANUFACTURER-KERNEL-OS */
 189
 190     target_alias = xstrdup( target );
 191
 192     /* get the CPU part */
 193
 194     if (!(p = strchr( spec, '-' ))) fatal_error( "Invalid target specification '%s'\n", target );
 195     *p++ = 0;
 196     if ((target_cpu = get_cpu_from_name( spec )) == -1)
 197         fatal_error( "Unrecognized CPU '%s'\n", spec );
 198     platform = p;
 199     if ((p = strrchr( p, '-' ))) platform = p + 1;
 200
 201     /* get the OS part */
 202
 203     target_platform = PLATFORM_UNSPECIFIED;  /* default value */
 204     for (i = 0; i < sizeof(platform_names)/sizeof(platform_names[0]); i++)
 205     {
 206         if (!strncmp( platform_names[i].name, platform, strlen(platform_names[i].name) ))
 207         {
 208             target_platform = platform_names[i].platform;
 209             break;
 210         }
 211     }
 212
 213     free( spec );
 214 }
 215
 216 /* cleanup on program exit */
 217 static void cleanup(void)
 218 {
 219     if (output_file_name) unlink( output_file_name );
 220 }
 221
 222 /* clean things up when aborting on a signal */
 223 static void exit_on_signal( int sig )
 224 {
 225     exit(1);  /* this will call atexit functions */
 226 }
 227
 228 /*******************************************************************
 229  *         command-line option handling
 230  */
 231 static const char usage_str[] =
 232 "Usage: winebuild [OPTIONS] [FILES]\n\n"
 233 "Options:\n"
 234 "       --as-cmd=AS           Command to use for assembling (default: as)\n"
 235 "   -b, --target=TARGET       Specify target CPU and platform for cross-compiling\n"
 236 "   -d, --delay-lib=LIB       Import the specified library in delayed mode\n"
 237 "   -D SYM                    Ignored for C flags compatibility\n"
 238 "   -e, --entry=FUNC          Set the DLL entry point function (default: DllMain)\n"
 239 "   -E, --export=FILE         Export the symbols defined in the .spec or .def file\n"
 240 "       --external-symbols    Allow linking to external symbols\n"
 241 "   -f FLAGS                  Compiler flags (-fPIC and -fasynchronous-unwind-tables are supported)\n"
 242 "   -F, --filename=DLLFILE    Set the DLL filename (default: from input file name)\n"
 243 "       --fake-module         Create a fake binary module\n"
 244 "   -h, --help                Display this help message\n"
 245 "   -H, --heap=SIZE           Set the heap size for a Win16 dll\n"
 246 "   -i, --ignore=SYM[,SYM]    Ignore specified symbols when resolving imports\n"
 247 "   -I DIR                    Ignored for C flags compatibility\n"
 248 "   -k, --kill-at             Kill stdcall decorations in generated .def files\n"
 249 "   -K, FLAGS                 Compiler flags (only -KPIC is supported)\n"
 250 "       --large-address-aware Support an address space larger than 2Gb\n"
 251 "       --ld-cmd=LD           Command to use for linking (default: ld)\n"
 252 "   -l, --library=LIB         Import the specified library\n"
 253 "   -L, --library-path=DIR    Look for imports libraries in DIR\n"
 254 "   -m32, -m64                Force building 32-bit resp. 64-bit code\n"
 255 "   -M, --main-module=MODULE  Set the name of the main module for a Win16 dll\n"
 256 "       --nm-cmd=NM           Command to use to get undefined symbols (default: nm)\n"
 257 "       --nxcompat=y|n        Set the NX compatibility flag (default: yes)\n"
 258 "   -N, --dll-name=DLLNAME    Set the DLL name (default: from input file name)\n"
 259 "   -o, --output=NAME         Set the output file name (default: stdout)\n"
 260 "   -r, --res=RSRC.RES        Load resources from RSRC.RES\n"
 261 "       --save-temps          Do not delete the generated intermediate files\n"
 262 "       --subsystem=SUBSYS    Set the subsystem (one of native, windows, console)\n"
 263 "   -u, --undefined=SYMBOL    Add an undefined reference to SYMBOL when linking\n"
 264 "   -v, --verbose             Display the programs invoked\n"
 265 "       --version             Print the version and exit\n"
 266 "   -w, --warnings            Turn on warnings\n"
 267 "\nMode options:\n"
 268 "       --dll                 Build a .c file from a .spec or .def file\n"
 269 "       --def                 Build a .def file from a .spec file\n"
 270 "       --exe                 Build a .c file for an executable\n"
 271 "       --implib              Build an import library\n"
 272 "       --resources           Build a .o file for the resource files\n\n"
 273 "The mode options are mutually exclusive; you must specify one and only one.\n\n";
 274
 275 enum long_options_values
 276 {
 277     LONG_OPT_DLL = 1,
 278     LONG_OPT_DEF,
 279     LONG_OPT_EXE,
 280     LONG_OPT_IMPLIB,
 281     LONG_OPT_ASCMD,
 282     LONG_OPT_EXTERNAL_SYMS,
 283     LONG_OPT_FAKE_MODULE,
 284     LONG_OPT_LARGE_ADDRESS_AWARE,
 285     LONG_OPT_LDCMD,
 286     LONG_OPT_NMCMD,
 287     LONG_OPT_NXCOMPAT,
 288     LONG_OPT_RESOURCES,
 289     LONG_OPT_SAVE_TEMPS,
 290     LONG_OPT_SUBSYSTEM,
 291     LONG_OPT_VERSION
 292 };
 293
 294 static const char short_options[] = "C:D:E:F:H:I:K:L:M:N:b:d:e:f:hi:kl:m:o:r:u:vw";
 295
 296 static const struct option long_options[] =
 297 {
 298     { "dll",           0, 0, LONG_OPT_DLL },
 299     { "def",           0, 0, LONG_OPT_DEF },
 300     { "exe",           0, 0, LONG_OPT_EXE },
 301     { "implib",        0, 0, LONG_OPT_IMPLIB },
 302     { "as-cmd",        1, 0, LONG_OPT_ASCMD },
 303     { "external-symbols", 0, 0, LONG_OPT_EXTERNAL_SYMS },
 304     { "fake-module",   0, 0, LONG_OPT_FAKE_MODULE },
 305     { "large-address-aware", 0, 0, LONG_OPT_LARGE_ADDRESS_AWARE },
 306     { "ld-cmd",        1, 0, LONG_OPT_LDCMD },
 307     { "nm-cmd",        1, 0, LONG_OPT_NMCMD },
 308     { "nxcompat",      1, 0, LONG_OPT_NXCOMPAT },
 309     { "resources",     0, 0, LONG_OPT_RESOURCES },
 310     { "save-temps",    0, 0, LONG_OPT_SAVE_TEMPS },
 311     { "subsystem",     1, 0, LONG_OPT_SUBSYSTEM },
 312     { "version",       0, 0, LONG_OPT_VERSION },
 313     /* aliases for short options */
 314     { "target",        1, 0, 'b' },
 315     { "delay-lib",     1, 0, 'd' },
 316     { "export",        1, 0, 'E' },
 317     { "entry",         1, 0, 'e' },
 318     { "filename",      1, 0, 'F' },
 319     { "help",          0, 0, 'h' },
 320     { "heap",          1, 0, 'H' },
 321     { "ignore",        1, 0, 'i' },
 322     { "kill-at",       0, 0, 'k' },
 323     { "library",       1, 0, 'l' },
 324     { "library-path",  1, 0, 'L' },
 325     { "main-module",   1, 0, 'M' },
 326     { "dll-name",      1, 0, 'N' },
 327     { "output",        1, 0, 'o' },
 328     { "res",           1, 0, 'r' },
 329     { "undefined",     1, 0, 'u' },
 330     { "verbose",       0, 0, 'v' },
 331     { "warnings",      0, 0, 'w' },
 332     { NULL,            0, 0, 0 }
 333 };
 334
 335 static void usage( int exit_code )
 336 {
 337     fprintf( stderr, "%s", usage_str );
 338     exit( exit_code );
 339 }
 340
 341 static void set_exec_mode( enum exec_mode_values mode )
 342 {
 343     if (exec_mode != MODE_NONE) usage(1);
 344     exec_mode = mode;
 345 }
 346
 347 /* parse options from the argv array and remove all the recognized ones */
 348 static char **parse_options( int argc, char **argv, DLLSPEC *spec )
 349 {
 350     char *p;
 351     int optc;
 352
 353     while ((optc = getopt_long( argc, argv, short_options, long_options, NULL )) != -1)
 354     {
 355         switch(optc)
 356         {
 357         case 'D':
 358             /* ignored */
 359             break;
 360         case 'E':
 361             spec_file_name = xstrdup( optarg );
 362             set_dll_file_name( optarg, spec );
 363             break;
 364         case 'F':
 365             spec->file_name = xstrdup( optarg );
 366             break;
 367         case 'H':
 368             if (!isdigit(optarg[0]))
 369                 fatal_error( "Expected number argument with -H option instead of '%s'\n", optarg );
 370             spec->heap_size = atoi(optarg);
 371             if (spec->heap_size > 65535)
 372                 fatal_error( "Invalid heap size %d, maximum is 65535\n", spec->heap_size );
 373             break;
 374         case 'I':
 375             /* ignored */
 376             break;
 377         case 'K':
 378             /* ignored, because cc generates correct code. */
 379             break;
 380         case 'L':
 381             lib_path = xrealloc( lib_path, (nb_lib_paths+1) * sizeof(*lib_path) );
 382             lib_path[nb_lib_paths++] = xstrdup( optarg );
 383             break;
 384         case 'm':
 385             if (strcmp( optarg, "32" ) && strcmp( optarg, "64" ))
 386                 fatal_error( "Invalid -m option '%s', expected -m32 or -m64\n", optarg );
 387             if (!strcmp( optarg, "32" )) force_pointer_size = 4;
 388             else force_pointer_size = 8;
 389             break;
 390         case 'M':
 391             spec->main_module = xstrdup( optarg );
 392             break;
 393         case 'N':
 394             spec->dll_name = xstrdup( optarg );
 395             break;
 396         case 'b':
 397             set_target( optarg );
 398             break;
 399         case 'd':
 400             add_delayed_import( optarg );
 401             break;
 402         case 'e':
 403             spec->init_func = xstrdup( optarg );
 404             if ((p = strchr( spec->init_func, '@' ))) *p = 0;  /* kill stdcall decoration */
 405             break;
 406         case 'f':
 407             if (!strcmp( optarg, "PIC") || !strcmp( optarg, "pic")) UsePIC = 1;
 408             else if (!strcmp( optarg, "asynchronous-unwind-tables")) unwind_tables = 1;
 409             else if (!strcmp( optarg, "no-asynchronous-unwind-tables")) unwind_tables = 0;
 410             /* ignore all other flags */
 411             break;
 412         case 'h':
 413             usage(0);
 414             break;
 415         case 'i':
 416             {
 417                 char *str = xstrdup( optarg );
 418                 char *token = strtok( str, "," );
 419                 while (token)
 420                 {
 421                     add_ignore_symbol( token );
 422                     token = strtok( NULL, "," );
 423                 }
 424                 free( str );
 425             }
 426             break;
 427         case 'k':
 428             kill_at = 1;
 429             break;
 430         case 'l':
 431             add_import_dll( optarg, NULL );
 432             break;
 433         case 'o':
 434             {
 435                 char *ext = strrchr( optarg, '.' );
 436
 437                 if (unlink( optarg ) == -1 && errno != ENOENT)
 438                     fatal_error( "Unable to create output file '%s'\n", optarg );
 439                 if (ext && !strcmp( ext, ".o" ))
 440                 {
 441                     output_file_source_name = get_temp_file_name( optarg, ".s" );
 442                     if (!(output_file = fopen( output_file_source_name, "w" )))
 443                         fatal_error( "Unable to create output file '%s'\n", optarg );
 444                 }
 445                 else
 446                 {
 447                     if (!(output_file = fopen( optarg, "w" )))
 448                         fatal_error( "Unable to create output file '%s'\n", optarg );
 449                 }
 450                 output_file_name = xstrdup(optarg);
 451                 atexit( cleanup );  /* make sure we remove the output file on exit */
 452             }
 453             break;
 454         case 'r':
 455             res_files = xrealloc( res_files, (nb_res_files+1) * sizeof(*res_files) );
 456             res_files[nb_res_files++] = xstrdup( optarg );
 457             break;
 458         case 'u':
 459             add_extra_ld_symbol( optarg );
 460             break;
 461         case 'v':
 462             verbose++;
 463             break;
 464         case 'w':
 465             display_warnings = 1;
 466             break;
 467         case LONG_OPT_DLL:
 468             set_exec_mode( MODE_DLL );
 469             break;
 470         case LONG_OPT_DEF:
 471             set_exec_mode( MODE_DEF );
 472             break;
 473         case LONG_OPT_EXE:
 474             set_exec_mode( MODE_EXE );
 475             if (!spec->subsystem) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 476             break;
 477         case LONG_OPT_IMPLIB:
 478             set_exec_mode( MODE_IMPLIB );
 479             break;
 480         case LONG_OPT_ASCMD:
 481             as_command = xstrdup( optarg );
 482             break;
 483         case LONG_OPT_FAKE_MODULE:
 484             fake_module = 1;
 485             break;
 486         case LONG_OPT_EXTERNAL_SYMS:
 487             link_ext_symbols = 1;
 488             break;
 489         case LONG_OPT_LARGE_ADDRESS_AWARE:
 490             spec->characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
 491             break;
 492         case LONG_OPT_LDCMD:
 493             ld_command = xstrdup( optarg );
 494             break;
 495         case LONG_OPT_NMCMD:
 496             nm_command = xstrdup( optarg );
 497             break;
 498         case LONG_OPT_NXCOMPAT:
 499             if (optarg[0] == 'n' || optarg[0] == 'N')
 500                 spec->dll_characteristics &= ~IMAGE_DLLCHARACTERISTICS_NX_COMPAT;
 501             break;
 502         case LONG_OPT_RESOURCES:
 503             set_exec_mode( MODE_RESOURCES );
 504             break;
 505         case LONG_OPT_SAVE_TEMPS:
 506             save_temps = 1;
 507             break;
 508         case LONG_OPT_SUBSYSTEM:
 509             set_subsystem( optarg, spec );
 510             break;
 511         case LONG_OPT_VERSION:
 512             printf( "winebuild version " PACKAGE_VERSION "\n" );
 513             exit(0);
 514         case '?':
 515             usage(1);
 516             break;
 517         }
 518     }
 519
 520     if (spec->file_name && !strchr( spec->file_name, '.' ))
 521         strcat( spec->file_name, exec_mode == MODE_EXE ? ".exe" : ".dll" );
 522     init_dll_name( spec );
 523
 524     switch (target_cpu)
 525     {
 526     case CPU_x86:
 527         if (force_pointer_size == 8) target_cpu = CPU_x86_64;
 528         break;
 529     case CPU_x86_64:
 530         if (force_pointer_size == 4) target_cpu = CPU_x86;
 531         break;
 532     default:
 533         if (force_pointer_size == 8)
 534             fatal_error( "Cannot build 64-bit code for this CPU\n" );
 535         break;
 536     }
 537
 538     return &argv[optind];
 539 }
 540
 541
 542 /* load all specified resource files */
 543 static void load_resources( char *argv[], DLLSPEC *spec )
 544 {
 545     int i;
 546     char **ptr, **last;
 547
 548     switch (spec->type)
 549     {
 550     case SPEC_WIN16:
 551         for (i = 0; i < nb_res_files; i++) load_res16_file( res_files[i], spec );
 552         break;
 553
 554     case SPEC_WIN32:
 555         for (i = 0; i < nb_res_files; i++)
 556         {
 557             if (!load_res32_file( res_files[i], spec ))
 558                 fatal_error( "%s is not a valid Win32 resource file\n", res_files[i] );
 559         }
 560
 561         /* load any resource file found in the remaining arguments */
 562         for (ptr = last = argv; *ptr; ptr++)
 563         {
 564             if (!load_res32_file( *ptr, spec ))
 565                 *last++ = *ptr; /* not a resource file, keep it in the list */
 566         }
 567         *last = NULL;
 568         break;
 569     }
 570 }
 571
 572 /* add input files that look like import libs to the import list */
 573 static void load_import_libs( char *argv[] )
 574 {
 575     char **ptr, **last;
 576
 577     for (ptr = last = argv; *ptr; ptr++)
 578     {
 579         if (strendswith( *ptr, ".def" ))
 580             add_import_dll( NULL, *ptr );
 581         else
 582             *last++ = *ptr; /* not an import dll, keep it in the list */
 583     }
 584     *last = NULL;
 585 }
 586
 587 static int parse_input_file( DLLSPEC *spec )
 588 {
 589     FILE *input_file = open_input_file( NULL, spec_file_name );
 590     char *extension = strrchr( spec_file_name, '.' );
 591     int result;
 592
 593     spec->src_name = xstrdup( input_file_name );
 594     if (extension && !strcmp( extension, ".def" ))
 595         result = parse_def_file( input_file, spec );
 596     else
 597         result = parse_spec_file( input_file, spec );
 598     close_input_file( input_file );
 599     return result;
 600 }
 601
 602
 603 /*******************************************************************
 604  *         main
 605  */
 606 int main(int argc, char **argv)
 607 {
 608     DLLSPEC *spec = alloc_dll_spec();
 609
 610 #ifdef SIGHUP
 611     signal( SIGHUP, exit_on_signal );
 612 #endif
 613     signal( SIGTERM, exit_on_signal );
 614     signal( SIGINT, exit_on_signal );
 615
 616     output_file = stdout;
 617     argv = parse_options( argc, argv, spec );
 618
 619     switch(exec_mode)
 620     {
 621     case MODE_DLL:
 622         if (spec->subsystem != IMAGE_SUBSYSTEM_NATIVE)
 623             spec->characteristics |= IMAGE_FILE_DLL;
 624         /* fall through */
 625     case MODE_EXE:
 626         load_resources( argv, spec );
 627         load_import_libs( argv );
 628         if (spec_file_name && !parse_input_file( spec )) break;
 629         if (fake_module)
 630         {
 631             if (spec->type == SPEC_WIN16) output_fake_module16( spec );
 632             else output_fake_module( spec );
 633             break;
 634         }
 635         read_undef_symbols( spec, argv );
 636         switch (spec->type)
 637         {
 638             case SPEC_WIN16:
 639                 output_spec16_file( spec );
 640                 break;
 641             case SPEC_WIN32:
 642                 BuildSpec32File( spec );
 643                 break;
 644             default: assert(0);
 645         }
 646         break;
 647     case MODE_DEF:
 648         if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
 649         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 650         if (!parse_input_file( spec )) break;
 651         output_def_file( spec, 1 );
 652         break;
 653     case MODE_IMPLIB:
 654         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 655         if (!parse_input_file( spec )) break;
 656         output_import_lib( spec, argv );
 657         break;
 658     case MODE_RESOURCES:
 659         load_resources( argv, spec );
 660         output_res_o_file( spec );
 661         break;
 662     default:
 663         usage(1);
 664         break;
 665     }
 666     if (nb_errors) exit(1);
 667     if (output_file_name)
 668     {
 669         if (fclose( output_file ) < 0) fatal_perror( "fclose" );
 670         if (output_file_source_name) assemble_file( output_file_source_name, output_file_name );
 671         output_file_name = NULL;
 672     }
 673     return 0;
 674 }