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(__powerpc__)
  59 enum target_cpu target_cpu = CPU_POWERPC;
  60 #elif defined(__arm__)
  61 enum target_cpu target_cpu = CPU_ARM;
  62 #else
  63 #error Unsupported CPU
  64 #endif
  65
  66 #ifdef __APPLE__
  67 enum target_platform target_platform = PLATFORM_APPLE;
  68 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  69 enum target_platform target_platform = PLATFORM_FREEBSD;
  70 #elif defined(__sun)
  71 enum target_platform target_platform = PLATFORM_SOLARIS;
  72 #elif defined(_WIN32)
  73 enum target_platform target_platform = PLATFORM_WINDOWS;
  74 #else
  75 enum target_platform target_platform = PLATFORM_UNSPECIFIED;
  76 #endif
  77
  78 char *target_alias = NULL;
  79 char **lib_path = NULL;
  80
  81 char *input_file_name = NULL;
  82 char *spec_file_name = NULL;
  83 FILE *output_file = NULL;
  84 const char *output_file_name = NULL;
  85 static const char *output_file_source_name;
  86 static int fake_module;
  87
  88 char *as_command = NULL;
  89 char *ld_command = NULL;
  90 char *nm_command = NULL;
  91 char *cpu_option = NULL;
  92
  93 static int nb_res_files;
  94 static char **res_files;
  95
  96 /* execution mode */
  97 enum exec_mode_values
  98 {
  99     MODE_NONE,
 100     MODE_DLL,
 101     MODE_EXE,
 102     MODE_DEF,
 103     MODE_IMPLIB,
 104     MODE_RESOURCES
 105 };
 106
 107 static enum exec_mode_values exec_mode = MODE_NONE;
 108
 109 static const struct
 110 {
 111     const char *name;
 112     enum target_platform platform;
 113 } platform_names[] =
 114 {
 115     { "macos",   PLATFORM_APPLE },
 116     { "darwin",  PLATFORM_APPLE },
 117     { "freebsd", PLATFORM_FREEBSD },
 118     { "solaris", PLATFORM_SOLARIS },
 119     { "mingw32", PLATFORM_WINDOWS },
 120     { "windows", PLATFORM_WINDOWS },
 121     { "winnt",   PLATFORM_WINDOWS }
 122 };
 123
 124 /* set the dll file name from the input file name */
 125 static void set_dll_file_name( const char *name, DLLSPEC *spec )
 126 {
 127     char *p;
 128
 129     if (spec->file_name) return;
 130
 131     if ((p = strrchr( name, '\\' ))) name = p + 1;
 132     if ((p = strrchr( name, '/' ))) name = p + 1;
 133     spec->file_name = xmalloc( strlen(name) + 5 );
 134     strcpy( spec->file_name, name );
 135     if ((p = strrchr( spec->file_name, '.' )))
 136     {
 137         if (!strcmp( p, ".spec" ) || !strcmp( p, ".def" )) *p = 0;
 138     }
 139 }
 140
 141 /* set the dll name from the file name */
 142 static void init_dll_name( DLLSPEC *spec )
 143 {
 144     if (!spec->file_name && output_file_name)
 145     {
 146         char *p;
 147         spec->file_name = xstrdup( output_file_name );
 148         if ((p = strrchr( spec->file_name, '.' ))) *p = 0;
 149     }
 150     if (!spec->dll_name && spec->file_name)  /* set default name from file name */
 151     {
 152         char *p;
 153         spec->dll_name = xstrdup( spec->file_name );
 154         if ((p = strrchr( spec->dll_name, '.' ))) *p = 0;
 155     }
 156 }
 157
 158 /* set the dll subsystem */
 159 static void set_subsystem( const char *subsystem, DLLSPEC *spec )
 160 {
 161     char *major, *minor, *str = xstrdup( subsystem );
 162
 163     if ((major = strchr( str, ':' ))) *major++ = 0;
 164     if (!strcmp( str, "native" )) spec->subsystem = IMAGE_SUBSYSTEM_NATIVE;
 165     else if (!strcmp( str, "windows" )) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 166     else if (!strcmp( str, "console" )) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_CUI;
 167     else if (!strcmp( str, "wince" ))   spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_CE_GUI;
 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 DIR                    Ignored for C flags compatibility\n"
 247 "   -k, --kill-at             Kill stdcall decorations in generated .def files\n"
 248 "   -K, FLAGS                 Compiler flags (only -KPIC is supported)\n"
 249 "       --large-address-aware Support an address space larger than 2Gb\n"
 250 "       --ld-cmd=LD           Command to use for linking (default: ld)\n"
 251 "   -l, --library=LIB         Import the specified library\n"
 252 "   -L, --library-path=DIR    Look for imports libraries in DIR\n"
 253 "   -m16, -m32, -m64          Force building 16-bit, 32-bit resp. 64-bit code\n"
 254 "   -M, --main-module=MODULE  Set the name of the main module for a Win16 dll\n"
 255 "       --nm-cmd=NM           Command to use to get undefined symbols (default: nm)\n"
 256 "       --nxcompat=y|n        Set the NX compatibility flag (default: yes)\n"
 257 "   -N, --dll-name=DLLNAME    Set the DLL name (default: from input file name)\n"
 258 "   -o, --output=NAME         Set the output file name (default: stdout)\n"
 259 "   -r, --res=RSRC.RES        Load resources from RSRC.RES\n"
 260 "       --save-temps          Do not delete the generated intermediate files\n"
 261 "       --subsystem=SUBSYS    Set the subsystem (one of native, windows, console, wince)\n"
 262 "   -u, --undefined=SYMBOL    Add an undefined reference to SYMBOL when linking\n"
 263 "   -v, --verbose             Display the programs invoked\n"
 264 "       --version             Print the version and exit\n"
 265 "   -w, --warnings            Turn on warnings\n"
 266 "\nMode options:\n"
 267 "       --dll                 Build a .c file from a .spec or .def file\n"
 268 "       --def                 Build a .def file from a .spec file\n"
 269 "       --exe                 Build a .c file for an executable\n"
 270 "       --implib              Build an import library\n"
 271 "       --resources           Build a .o file for the resource files\n\n"
 272 "The mode options are mutually exclusive; you must specify one and only one.\n\n";
 273
 274 enum long_options_values
 275 {
 276     LONG_OPT_DLL = 1,
 277     LONG_OPT_DEF,
 278     LONG_OPT_EXE,
 279     LONG_OPT_IMPLIB,
 280     LONG_OPT_ASCMD,
 281     LONG_OPT_EXTERNAL_SYMS,
 282     LONG_OPT_FAKE_MODULE,
 283     LONG_OPT_LARGE_ADDRESS_AWARE,
 284     LONG_OPT_LDCMD,
 285     LONG_OPT_NMCMD,
 286     LONG_OPT_NXCOMPAT,
 287     LONG_OPT_RESOURCES,
 288     LONG_OPT_SAVE_TEMPS,
 289     LONG_OPT_SUBSYSTEM,
 290     LONG_OPT_VERSION
 291 };
 292
 293 static const char short_options[] = "C:D:E:F:H:I:K:L:M:N:b:d:e:f:hkl:m:o:r:u:vw";
 294
 295 static const struct option long_options[] =
 296 {
 297     { "dll",           0, 0, LONG_OPT_DLL },
 298     { "def",           0, 0, LONG_OPT_DEF },
 299     { "exe",           0, 0, LONG_OPT_EXE },
 300     { "implib",        0, 0, LONG_OPT_IMPLIB },
 301     { "as-cmd",        1, 0, LONG_OPT_ASCMD },
 302     { "external-symbols", 0, 0, LONG_OPT_EXTERNAL_SYMS },
 303     { "fake-module",   0, 0, LONG_OPT_FAKE_MODULE },
 304     { "large-address-aware", 0, 0, LONG_OPT_LARGE_ADDRESS_AWARE },
 305     { "ld-cmd",        1, 0, LONG_OPT_LDCMD },
 306     { "nm-cmd",        1, 0, LONG_OPT_NMCMD },
 307     { "nxcompat",      1, 0, LONG_OPT_NXCOMPAT },
 308     { "resources",     0, 0, LONG_OPT_RESOURCES },
 309     { "save-temps",    0, 0, LONG_OPT_SAVE_TEMPS },
 310     { "subsystem",     1, 0, LONG_OPT_SUBSYSTEM },
 311     { "version",       0, 0, LONG_OPT_VERSION },
 312     /* aliases for short options */
 313     { "target",        1, 0, 'b' },
 314     { "delay-lib",     1, 0, 'd' },
 315     { "export",        1, 0, 'E' },
 316     { "entry",         1, 0, 'e' },
 317     { "filename",      1, 0, 'F' },
 318     { "help",          0, 0, 'h' },
 319     { "heap",          1, 0, 'H' },
 320     { "kill-at",       0, 0, 'k' },
 321     { "library",       1, 0, 'l' },
 322     { "library-path",  1, 0, 'L' },
 323     { "main-module",   1, 0, 'M' },
 324     { "dll-name",      1, 0, 'N' },
 325     { "output",        1, 0, 'o' },
 326     { "res",           1, 0, 'r' },
 327     { "undefined",     1, 0, 'u' },
 328     { "verbose",       0, 0, 'v' },
 329     { "warnings",      0, 0, 'w' },
 330     { NULL,            0, 0, 0 }
 331 };
 332
 333 static void usage( int exit_code )
 334 {
 335     fprintf( stderr, "%s", usage_str );
 336     exit( exit_code );
 337 }
 338
 339 static void set_exec_mode( enum exec_mode_values mode )
 340 {
 341     if (exec_mode != MODE_NONE) usage(1);
 342     exec_mode = mode;
 343 }
 344
 345 /* parse options from the argv array and remove all the recognized ones */
 346 static char **parse_options( int argc, char **argv, DLLSPEC *spec )
 347 {
 348     char *p;
 349     int optc;
 350
 351     while ((optc = getopt_long( argc, argv, short_options, long_options, NULL )) != -1)
 352     {
 353         switch(optc)
 354         {
 355         case 'D':
 356             /* ignored */
 357             break;
 358         case 'E':
 359             spec_file_name = xstrdup( optarg );
 360             set_dll_file_name( optarg, spec );
 361             break;
 362         case 'F':
 363             spec->file_name = xstrdup( optarg );
 364             break;
 365         case 'H':
 366             if (!isdigit(optarg[0]))
 367                 fatal_error( "Expected number argument with -H option instead of '%s'\n", optarg );
 368             spec->heap_size = atoi(optarg);
 369             if (spec->heap_size > 65535)
 370                 fatal_error( "Invalid heap size %d, maximum is 65535\n", spec->heap_size );
 371             break;
 372         case 'I':
 373             /* ignored */
 374             break;
 375         case 'K':
 376             /* ignored, because cc generates correct code. */
 377             break;
 378         case 'L':
 379             lib_path = xrealloc( lib_path, (nb_lib_paths+1) * sizeof(*lib_path) );
 380             lib_path[nb_lib_paths++] = xstrdup( optarg );
 381             break;
 382         case 'm':
 383             if (!strcmp( optarg, "16" )) spec->type = SPEC_WIN16;
 384             else if (!strcmp( optarg, "32" )) force_pointer_size = 4;
 385             else if (!strcmp( optarg, "64" )) force_pointer_size = 8;
 386             else if (!strncmp( optarg, "cpu=", 4 )) cpu_option = xstrdup( optarg + 4 );
 387             else fatal_error( "Invalid -m option '%s', expected -m16, -m32, -m64 or -mcpu\n", optarg );
 388             break;
 389         case 'M':
 390             spec->main_module = xstrdup( optarg );
 391             break;
 392         case 'N':
 393             spec->dll_name = xstrdup( optarg );
 394             break;
 395         case 'b':
 396             set_target( optarg );
 397             break;
 398         case 'd':
 399             add_delayed_import( optarg );
 400             break;
 401         case 'e':
 402             spec->init_func = xstrdup( optarg );
 403             if ((p = strchr( spec->init_func, '@' ))) *p = 0;  /* kill stdcall decoration */
 404             break;
 405         case 'f':
 406             if (!strcmp( optarg, "PIC") || !strcmp( optarg, "pic")) UsePIC = 1;
 407             else if (!strcmp( optarg, "asynchronous-unwind-tables")) unwind_tables = 1;
 408             else if (!strcmp( optarg, "no-asynchronous-unwind-tables")) unwind_tables = 0;
 409             /* ignore all other flags */
 410             break;
 411         case 'h':
 412             usage(0);
 413             break;
 414         case 'k':
 415             kill_at = 1;
 416             break;
 417         case 'l':
 418             add_import_dll( optarg, NULL );
 419             break;
 420         case 'o':
 421             {
 422                 char *ext = strrchr( optarg, '.' );
 423
 424                 if (unlink( optarg ) == -1 && errno != ENOENT)
 425                     fatal_error( "Unable to create output file '%s'\n", optarg );
 426                 if (ext && !strcmp( ext, ".o" ))
 427                 {
 428                     output_file_source_name = get_temp_file_name( optarg, ".s" );
 429                     if (!(output_file = fopen( output_file_source_name, "w" )))
 430                         fatal_error( "Unable to create output file '%s'\n", optarg );
 431                 }
 432                 else
 433                 {
 434                     if (!(output_file = fopen( optarg, "w" )))
 435                         fatal_error( "Unable to create output file '%s'\n", optarg );
 436                 }
 437                 output_file_name = xstrdup(optarg);
 438                 atexit( cleanup );  /* make sure we remove the output file on exit */
 439             }
 440             break;
 441         case 'r':
 442             res_files = xrealloc( res_files, (nb_res_files+1) * sizeof(*res_files) );
 443             res_files[nb_res_files++] = xstrdup( optarg );
 444             break;
 445         case 'u':
 446             add_extra_ld_symbol( optarg );
 447             break;
 448         case 'v':
 449             verbose++;
 450             break;
 451         case 'w':
 452             display_warnings = 1;
 453             break;
 454         case LONG_OPT_DLL:
 455             set_exec_mode( MODE_DLL );
 456             break;
 457         case LONG_OPT_DEF:
 458             set_exec_mode( MODE_DEF );
 459             break;
 460         case LONG_OPT_EXE:
 461             set_exec_mode( MODE_EXE );
 462             if (!spec->subsystem) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 463             break;
 464         case LONG_OPT_IMPLIB:
 465             set_exec_mode( MODE_IMPLIB );
 466             break;
 467         case LONG_OPT_ASCMD:
 468             as_command = xstrdup( optarg );
 469             break;
 470         case LONG_OPT_FAKE_MODULE:
 471             fake_module = 1;
 472             break;
 473         case LONG_OPT_EXTERNAL_SYMS:
 474             link_ext_symbols = 1;
 475             break;
 476         case LONG_OPT_LARGE_ADDRESS_AWARE:
 477             spec->characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
 478             break;
 479         case LONG_OPT_LDCMD:
 480             ld_command = xstrdup( optarg );
 481             break;
 482         case LONG_OPT_NMCMD:
 483             nm_command = xstrdup( optarg );
 484             break;
 485         case LONG_OPT_NXCOMPAT:
 486             if (optarg[0] == 'n' || optarg[0] == 'N')
 487                 spec->dll_characteristics &= ~IMAGE_DLLCHARACTERISTICS_NX_COMPAT;
 488             break;
 489         case LONG_OPT_RESOURCES:
 490             set_exec_mode( MODE_RESOURCES );
 491             break;
 492         case LONG_OPT_SAVE_TEMPS:
 493             save_temps = 1;
 494             break;
 495         case LONG_OPT_SUBSYSTEM:
 496             set_subsystem( optarg, spec );
 497             break;
 498         case LONG_OPT_VERSION:
 499             printf( "winebuild version " PACKAGE_VERSION "\n" );
 500             exit(0);
 501         case '?':
 502             usage(1);
 503             break;
 504         }
 505     }
 506
 507     if (spec->file_name && !strchr( spec->file_name, '.' ))
 508         strcat( spec->file_name, exec_mode == MODE_EXE ? ".exe" : ".dll" );
 509     init_dll_name( spec );
 510
 511     switch (target_cpu)
 512     {
 513     case CPU_x86:
 514         if (force_pointer_size == 8) target_cpu = CPU_x86_64;
 515         break;
 516     case CPU_x86_64:
 517         if (force_pointer_size == 4) target_cpu = CPU_x86;
 518         break;
 519     default:
 520         if (force_pointer_size == 8)
 521             fatal_error( "Cannot build 64-bit code for this CPU\n" );
 522         break;
 523     }
 524
 525     return &argv[optind];
 526 }
 527
 528
 529 /* load all specified resource files */
 530 static void load_resources( char *argv[], DLLSPEC *spec )
 531 {
 532     int i;
 533     char **ptr, **last;
 534
 535     switch (spec->type)
 536     {
 537     case SPEC_WIN16:
 538         for (i = 0; i < nb_res_files; i++) load_res16_file( res_files[i], spec );
 539         break;
 540
 541     case SPEC_WIN32:
 542         for (i = 0; i < nb_res_files; i++)
 543         {
 544             if (!load_res32_file( res_files[i], spec ))
 545                 fatal_error( "%s is not a valid Win32 resource file\n", res_files[i] );
 546         }
 547
 548         /* load any resource file found in the remaining arguments */
 549         for (ptr = last = argv; *ptr; ptr++)
 550         {
 551             if (!load_res32_file( *ptr, spec ))
 552                 *last++ = *ptr; /* not a resource file, keep it in the list */
 553         }
 554         *last = NULL;
 555         break;
 556     }
 557 }
 558
 559 /* add input files that look like import libs to the import list */
 560 static void load_import_libs( char *argv[] )
 561 {
 562     char **ptr, **last;
 563
 564     for (ptr = last = argv; *ptr; ptr++)
 565     {
 566         if (strendswith( *ptr, ".def" ))
 567             add_import_dll( NULL, *ptr );
 568         else
 569             *last++ = *ptr; /* not an import dll, keep it in the list */
 570     }
 571     *last = NULL;
 572 }
 573
 574 static int parse_input_file( DLLSPEC *spec )
 575 {
 576     FILE *input_file = open_input_file( NULL, spec_file_name );
 577     char *extension = strrchr( spec_file_name, '.' );
 578     int result;
 579
 580     spec->src_name = xstrdup( input_file_name );
 581     if (extension && !strcmp( extension, ".def" ))
 582         result = parse_def_file( input_file, spec );
 583     else
 584         result = parse_spec_file( input_file, spec );
 585     close_input_file( input_file );
 586     return result;
 587 }
 588
 589
 590 /*******************************************************************
 591  *         main
 592  */
 593 int main(int argc, char **argv)
 594 {
 595     DLLSPEC *spec = alloc_dll_spec();
 596
 597 #ifdef SIGHUP
 598     signal( SIGHUP, exit_on_signal );
 599 #endif
 600     signal( SIGTERM, exit_on_signal );
 601     signal( SIGINT, exit_on_signal );
 602
 603     output_file = stdout;
 604     argv = parse_options( argc, argv, spec );
 605
 606     switch(exec_mode)
 607     {
 608     case MODE_DLL:
 609         if (spec->subsystem != IMAGE_SUBSYSTEM_NATIVE)
 610             spec->characteristics |= IMAGE_FILE_DLL;
 611         /* fall through */
 612     case MODE_EXE:
 613         load_resources( argv, spec );
 614         load_import_libs( argv );
 615         if (spec_file_name && !parse_input_file( spec )) break;
 616         if (fake_module)
 617         {
 618             if (spec->type == SPEC_WIN16) output_fake_module16( spec );
 619             else output_fake_module( spec );
 620             break;
 621         }
 622         read_undef_symbols( spec, argv );
 623         switch (spec->type)
 624         {
 625             case SPEC_WIN16:
 626                 output_spec16_file( spec );
 627                 break;
 628             case SPEC_WIN32:
 629                 BuildSpec32File( spec );
 630                 break;
 631             default: assert(0);
 632         }
 633         break;
 634     case MODE_DEF:
 635         if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
 636         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 637         if (!parse_input_file( spec )) break;
 638         output_def_file( spec, 1 );
 639         break;
 640     case MODE_IMPLIB:
 641         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 642         if (!parse_input_file( spec )) break;
 643         output_import_lib( spec, argv );
 644         break;
 645     case MODE_RESOURCES:
 646         load_resources( argv, spec );
 647         output_res_o_file( spec );
 648         break;
 649     default:
 650         usage(1);
 651         break;
 652     }
 653     if (nb_errors) exit(1);
 654     if (output_file_name)
 655     {
 656         if (fclose( output_file ) < 0) fatal_perror( "fclose" );
 657         if (output_file_source_name) assemble_file( output_file_source_name, output_file_name );
 658         output_file_name = NULL;
 659     }
 660     return 0;
 661 }