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, '-' )))
 195     {
 196         *p++ = 0;
 197         if ((target_cpu = get_cpu_from_name( spec )) == -1)
 198             fatal_error( "Unrecognized CPU '%s'\n", spec );
 199         platform = p;
 200         if ((p = strrchr( p, '-' ))) platform = p + 1;
 201     }
 202     else if (!strcmp( spec, "mingw32" ))
 203     {
 204         target_cpu = CPU_x86;
 205         platform = spec;
 206     }
 207     else
 208         fatal_error( "Invalid target specification '%s'\n", target );
 209
 210     /* get the OS part */
 211
 212     target_platform = PLATFORM_UNSPECIFIED;  /* default value */
 213     for (i = 0; i < sizeof(platform_names)/sizeof(platform_names[0]); i++)
 214     {
 215         if (!strncmp( platform_names[i].name, platform, strlen(platform_names[i].name) ))
 216         {
 217             target_platform = platform_names[i].platform;
 218             break;
 219         }
 220     }
 221
 222     free( spec );
 223 }
 224
 225 /* cleanup on program exit */
 226 static void cleanup(void)
 227 {
 228     if (output_file_name) unlink( output_file_name );
 229 }
 230
 231 /* clean things up when aborting on a signal */
 232 static void exit_on_signal( int sig )
 233 {
 234     exit(1);  /* this will call atexit functions */
 235 }
 236
 237 /*******************************************************************
 238  *         command-line option handling
 239  */
 240 static const char usage_str[] =
 241 "Usage: winebuild [OPTIONS] [FILES]\n\n"
 242 "Options:\n"
 243 "       --as-cmd=AS           Command to use for assembling (default: as)\n"
 244 "   -b, --target=TARGET       Specify target CPU and platform for cross-compiling\n"
 245 "   -d, --delay-lib=LIB       Import the specified library in delayed mode\n"
 246 "   -D SYM                    Ignored for C flags compatibility\n"
 247 "   -e, --entry=FUNC          Set the DLL entry point function (default: DllMain)\n"
 248 "   -E, --export=FILE         Export the symbols defined in the .spec or .def file\n"
 249 "       --external-symbols    Allow linking to external symbols\n"
 250 "   -f FLAGS                  Compiler flags (-fPIC and -fasynchronous-unwind-tables are supported)\n"
 251 "   -F, --filename=DLLFILE    Set the DLL filename (default: from input file name)\n"
 252 "       --fake-module         Create a fake binary module\n"
 253 "   -h, --help                Display this help message\n"
 254 "   -H, --heap=SIZE           Set the heap size for a Win16 dll\n"
 255 "   -I DIR                    Ignored for C flags compatibility\n"
 256 "   -k, --kill-at             Kill stdcall decorations in generated .def files\n"
 257 "   -K, FLAGS                 Compiler flags (only -KPIC is supported)\n"
 258 "       --large-address-aware Support an address space larger than 2Gb\n"
 259 "       --ld-cmd=LD           Command to use for linking (default: ld)\n"
 260 "   -l, --library=LIB         Import the specified library\n"
 261 "   -L, --library-path=DIR    Look for imports libraries in DIR\n"
 262 "   -m16, -m32, -m64          Force building 16-bit, 32-bit resp. 64-bit code\n"
 263 "   -M, --main-module=MODULE  Set the name of the main module for a Win16 dll\n"
 264 "       --nm-cmd=NM           Command to use to get undefined symbols (default: nm)\n"
 265 "       --nxcompat=y|n        Set the NX compatibility flag (default: yes)\n"
 266 "   -N, --dll-name=DLLNAME    Set the DLL name (default: from input file name)\n"
 267 "   -o, --output=NAME         Set the output file name (default: stdout)\n"
 268 "   -r, --res=RSRC.RES        Load resources from RSRC.RES\n"
 269 "       --save-temps          Do not delete the generated intermediate files\n"
 270 "       --subsystem=SUBSYS    Set the subsystem (one of native, windows, console, wince)\n"
 271 "   -u, --undefined=SYMBOL    Add an undefined reference to SYMBOL when linking\n"
 272 "   -v, --verbose             Display the programs invoked\n"
 273 "       --version             Print the version and exit\n"
 274 "   -w, --warnings            Turn on warnings\n"
 275 "\nMode options:\n"
 276 "       --dll                 Build a .c file from a .spec or .def file\n"
 277 "       --def                 Build a .def file from a .spec file\n"
 278 "       --exe                 Build a .c file for an executable\n"
 279 "       --implib              Build an import library\n"
 280 "       --resources           Build a .o file for the resource files\n\n"
 281 "The mode options are mutually exclusive; you must specify one and only one.\n\n";
 282
 283 enum long_options_values
 284 {
 285     LONG_OPT_DLL = 1,
 286     LONG_OPT_DEF,
 287     LONG_OPT_EXE,
 288     LONG_OPT_IMPLIB,
 289     LONG_OPT_ASCMD,
 290     LONG_OPT_EXTERNAL_SYMS,
 291     LONG_OPT_FAKE_MODULE,
 292     LONG_OPT_LARGE_ADDRESS_AWARE,
 293     LONG_OPT_LDCMD,
 294     LONG_OPT_NMCMD,
 295     LONG_OPT_NXCOMPAT,
 296     LONG_OPT_RESOURCES,
 297     LONG_OPT_SAVE_TEMPS,
 298     LONG_OPT_SUBSYSTEM,
 299     LONG_OPT_VERSION
 300 };
 301
 302 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";
 303
 304 static const struct option long_options[] =
 305 {
 306     { "dll",           0, 0, LONG_OPT_DLL },
 307     { "def",           0, 0, LONG_OPT_DEF },
 308     { "exe",           0, 0, LONG_OPT_EXE },
 309     { "implib",        0, 0, LONG_OPT_IMPLIB },
 310     { "as-cmd",        1, 0, LONG_OPT_ASCMD },
 311     { "external-symbols", 0, 0, LONG_OPT_EXTERNAL_SYMS },
 312     { "fake-module",   0, 0, LONG_OPT_FAKE_MODULE },
 313     { "large-address-aware", 0, 0, LONG_OPT_LARGE_ADDRESS_AWARE },
 314     { "ld-cmd",        1, 0, LONG_OPT_LDCMD },
 315     { "nm-cmd",        1, 0, LONG_OPT_NMCMD },
 316     { "nxcompat",      1, 0, LONG_OPT_NXCOMPAT },
 317     { "resources",     0, 0, LONG_OPT_RESOURCES },
 318     { "save-temps",    0, 0, LONG_OPT_SAVE_TEMPS },
 319     { "subsystem",     1, 0, LONG_OPT_SUBSYSTEM },
 320     { "version",       0, 0, LONG_OPT_VERSION },
 321     /* aliases for short options */
 322     { "target",        1, 0, 'b' },
 323     { "delay-lib",     1, 0, 'd' },
 324     { "export",        1, 0, 'E' },
 325     { "entry",         1, 0, 'e' },
 326     { "filename",      1, 0, 'F' },
 327     { "help",          0, 0, 'h' },
 328     { "heap",          1, 0, 'H' },
 329     { "kill-at",       0, 0, 'k' },
 330     { "library",       1, 0, 'l' },
 331     { "library-path",  1, 0, 'L' },
 332     { "main-module",   1, 0, 'M' },
 333     { "dll-name",      1, 0, 'N' },
 334     { "output",        1, 0, 'o' },
 335     { "res",           1, 0, 'r' },
 336     { "undefined",     1, 0, 'u' },
 337     { "verbose",       0, 0, 'v' },
 338     { "warnings",      0, 0, 'w' },
 339     { NULL,            0, 0, 0 }
 340 };
 341
 342 static void usage( int exit_code )
 343 {
 344     fprintf( stderr, "%s", usage_str );
 345     exit( exit_code );
 346 }
 347
 348 static void set_exec_mode( enum exec_mode_values mode )
 349 {
 350     if (exec_mode != MODE_NONE) usage(1);
 351     exec_mode = mode;
 352 }
 353
 354 /* parse options from the argv array and remove all the recognized ones */
 355 static char **parse_options( int argc, char **argv, DLLSPEC *spec )
 356 {
 357     char *p;
 358     int optc;
 359
 360     while ((optc = getopt_long( argc, argv, short_options, long_options, NULL )) != -1)
 361     {
 362         switch(optc)
 363         {
 364         case 'D':
 365             /* ignored */
 366             break;
 367         case 'E':
 368             spec_file_name = xstrdup( optarg );
 369             set_dll_file_name( optarg, spec );
 370             break;
 371         case 'F':
 372             spec->file_name = xstrdup( optarg );
 373             break;
 374         case 'H':
 375             if (!isdigit(optarg[0]))
 376                 fatal_error( "Expected number argument with -H option instead of '%s'\n", optarg );
 377             spec->heap_size = atoi(optarg);
 378             if (spec->heap_size > 65535)
 379                 fatal_error( "Invalid heap size %d, maximum is 65535\n", spec->heap_size );
 380             break;
 381         case 'I':
 382             /* ignored */
 383             break;
 384         case 'K':
 385             /* ignored, because cc generates correct code. */
 386             break;
 387         case 'L':
 388             lib_path = xrealloc( lib_path, (nb_lib_paths+1) * sizeof(*lib_path) );
 389             lib_path[nb_lib_paths++] = xstrdup( optarg );
 390             break;
 391         case 'm':
 392             if (!strcmp( optarg, "16" )) spec->type = SPEC_WIN16;
 393             else if (!strcmp( optarg, "32" )) force_pointer_size = 4;
 394             else if (!strcmp( optarg, "64" )) force_pointer_size = 8;
 395             else if (!strncmp( optarg, "cpu=", 4 )) cpu_option = xstrdup( optarg + 4 );
 396             else fatal_error( "Invalid -m option '%s', expected -m16, -m32, -m64 or -mcpu\n", optarg );
 397             break;
 398         case 'M':
 399             spec->main_module = xstrdup( optarg );
 400             break;
 401         case 'N':
 402             spec->dll_name = xstrdup( optarg );
 403             break;
 404         case 'b':
 405             set_target( optarg );
 406             break;
 407         case 'd':
 408             add_delayed_import( optarg );
 409             break;
 410         case 'e':
 411             spec->init_func = xstrdup( optarg );
 412             if ((p = strchr( spec->init_func, '@' ))) *p = 0;  /* kill stdcall decoration */
 413             break;
 414         case 'f':
 415             if (!strcmp( optarg, "PIC") || !strcmp( optarg, "pic")) UsePIC = 1;
 416             else if (!strcmp( optarg, "asynchronous-unwind-tables")) unwind_tables = 1;
 417             else if (!strcmp( optarg, "no-asynchronous-unwind-tables")) unwind_tables = 0;
 418             /* ignore all other flags */
 419             break;
 420         case 'h':
 421             usage(0);
 422             break;
 423         case 'k':
 424             kill_at = 1;
 425             break;
 426         case 'l':
 427             add_import_dll( optarg, NULL );
 428             break;
 429         case 'o':
 430             {
 431                 char *ext = strrchr( optarg, '.' );
 432
 433                 if (unlink( optarg ) == -1 && errno != ENOENT)
 434                     fatal_error( "Unable to create output file '%s'\n", optarg );
 435                 if (ext && !strcmp( ext, ".o" ))
 436                 {
 437                     output_file_source_name = get_temp_file_name( optarg, ".s" );
 438                     if (!(output_file = fopen( output_file_source_name, "w" )))
 439                         fatal_error( "Unable to create output file '%s'\n", optarg );
 440                 }
 441                 else
 442                 {
 443                     if (!(output_file = fopen( optarg, "w" )))
 444                         fatal_error( "Unable to create output file '%s'\n", optarg );
 445                 }
 446                 output_file_name = xstrdup(optarg);
 447                 atexit( cleanup );  /* make sure we remove the output file on exit */
 448             }
 449             break;
 450         case 'r':
 451             res_files = xrealloc( res_files, (nb_res_files+1) * sizeof(*res_files) );
 452             res_files[nb_res_files++] = xstrdup( optarg );
 453             break;
 454         case 'u':
 455             add_extra_ld_symbol( optarg );
 456             break;
 457         case 'v':
 458             verbose++;
 459             break;
 460         case 'w':
 461             display_warnings = 1;
 462             break;
 463         case LONG_OPT_DLL:
 464             set_exec_mode( MODE_DLL );
 465             break;
 466         case LONG_OPT_DEF:
 467             set_exec_mode( MODE_DEF );
 468             break;
 469         case LONG_OPT_EXE:
 470             set_exec_mode( MODE_EXE );
 471             if (!spec->subsystem) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 472             break;
 473         case LONG_OPT_IMPLIB:
 474             set_exec_mode( MODE_IMPLIB );
 475             break;
 476         case LONG_OPT_ASCMD:
 477             as_command = xstrdup( optarg );
 478             break;
 479         case LONG_OPT_FAKE_MODULE:
 480             fake_module = 1;
 481             break;
 482         case LONG_OPT_EXTERNAL_SYMS:
 483             link_ext_symbols = 1;
 484             break;
 485         case LONG_OPT_LARGE_ADDRESS_AWARE:
 486             spec->characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
 487             break;
 488         case LONG_OPT_LDCMD:
 489             ld_command = xstrdup( optarg );
 490             break;
 491         case LONG_OPT_NMCMD:
 492             nm_command = xstrdup( optarg );
 493             break;
 494         case LONG_OPT_NXCOMPAT:
 495             if (optarg[0] == 'n' || optarg[0] == 'N')
 496                 spec->dll_characteristics &= ~IMAGE_DLLCHARACTERISTICS_NX_COMPAT;
 497             break;
 498         case LONG_OPT_RESOURCES:
 499             set_exec_mode( MODE_RESOURCES );
 500             break;
 501         case LONG_OPT_SAVE_TEMPS:
 502             save_temps = 1;
 503             break;
 504         case LONG_OPT_SUBSYSTEM:
 505             set_subsystem( optarg, spec );
 506             break;
 507         case LONG_OPT_VERSION:
 508             printf( "winebuild version " PACKAGE_VERSION "\n" );
 509             exit(0);
 510         case '?':
 511             usage(1);
 512             break;
 513         }
 514     }
 515
 516     if (spec->file_name && !strchr( spec->file_name, '.' ))
 517         strcat( spec->file_name, exec_mode == MODE_EXE ? ".exe" : ".dll" );
 518     init_dll_name( spec );
 519
 520     switch (target_cpu)
 521     {
 522     case CPU_x86:
 523         if (force_pointer_size == 8) target_cpu = CPU_x86_64;
 524         break;
 525     case CPU_x86_64:
 526         if (force_pointer_size == 4) target_cpu = CPU_x86;
 527         break;
 528     default:
 529         if (force_pointer_size == 8)
 530             fatal_error( "Cannot build 64-bit code for this CPU\n" );
 531         break;
 532     }
 533
 534     return &argv[optind];
 535 }
 536
 537
 538 /* load all specified resource files */
 539 static void load_resources( char *argv[], DLLSPEC *spec )
 540 {
 541     int i;
 542     char **ptr, **last;
 543
 544     switch (spec->type)
 545     {
 546     case SPEC_WIN16:
 547         for (i = 0; i < nb_res_files; i++) load_res16_file( res_files[i], spec );
 548         break;
 549
 550     case SPEC_WIN32:
 551         for (i = 0; i < nb_res_files; i++)
 552         {
 553             if (!load_res32_file( res_files[i], spec ))
 554                 fatal_error( "%s is not a valid Win32 resource file\n", res_files[i] );
 555         }
 556
 557         /* load any resource file found in the remaining arguments */
 558         for (ptr = last = argv; *ptr; ptr++)
 559         {
 560             if (!load_res32_file( *ptr, spec ))
 561                 *last++ = *ptr; /* not a resource file, keep it in the list */
 562         }
 563         *last = NULL;
 564         break;
 565     }
 566 }
 567
 568 /* add input files that look like import libs to the import list */
 569 static void load_import_libs( char *argv[] )
 570 {
 571     char **ptr, **last;
 572
 573     for (ptr = last = argv; *ptr; ptr++)
 574     {
 575         if (strendswith( *ptr, ".def" ))
 576             add_import_dll( NULL, *ptr );
 577         else
 578             *last++ = *ptr; /* not an import dll, keep it in the list */
 579     }
 580     *last = NULL;
 581 }
 582
 583 static int parse_input_file( DLLSPEC *spec )
 584 {
 585     FILE *input_file = open_input_file( NULL, spec_file_name );
 586     char *extension = strrchr( spec_file_name, '.' );
 587     int result;
 588
 589     spec->src_name = xstrdup( input_file_name );
 590     if (extension && !strcmp( extension, ".def" ))
 591         result = parse_def_file( input_file, spec );
 592     else
 593         result = parse_spec_file( input_file, spec );
 594     close_input_file( input_file );
 595     return result;
 596 }
 597
 598
 599 /*******************************************************************
 600  *         main
 601  */
 602 int main(int argc, char **argv)
 603 {
 604     DLLSPEC *spec = alloc_dll_spec();
 605
 606 #ifdef SIGHUP
 607     signal( SIGHUP, exit_on_signal );
 608 #endif
 609     signal( SIGTERM, exit_on_signal );
 610     signal( SIGINT, exit_on_signal );
 611
 612     output_file = stdout;
 613     argv = parse_options( argc, argv, spec );
 614
 615     switch(exec_mode)
 616     {
 617     case MODE_DLL:
 618         if (spec->subsystem != IMAGE_SUBSYSTEM_NATIVE)
 619             spec->characteristics |= IMAGE_FILE_DLL;
 620         /* fall through */
 621     case MODE_EXE:
 622         load_resources( argv, spec );
 623         load_import_libs( argv );
 624         if (spec_file_name && !parse_input_file( spec )) break;
 625         if (fake_module)
 626         {
 627             if (spec->type == SPEC_WIN16) output_fake_module16( spec );
 628             else output_fake_module( spec );
 629             break;
 630         }
 631         read_undef_symbols( spec, argv );
 632         switch (spec->type)
 633         {
 634             case SPEC_WIN16:
 635                 output_spec16_file( spec );
 636                 break;
 637             case SPEC_WIN32:
 638                 BuildSpec32File( spec );
 639                 break;
 640             default: assert(0);
 641         }
 642         break;
 643     case MODE_DEF:
 644         if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
 645         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 646         if (!parse_input_file( spec )) break;
 647         output_def_file( spec, 1 );
 648         break;
 649     case MODE_IMPLIB:
 650         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 651         if (!parse_input_file( spec )) break;
 652         output_import_lib( spec, argv );
 653         break;
 654     case MODE_RESOURCES:
 655         load_resources( argv, spec );
 656         output_res_o_file( spec );
 657         break;
 658     default:
 659         usage(1);
 660         break;
 661     }
 662     if (nb_errors) exit(1);
 663     if (output_file_name)
 664     {
 665         if (fclose( output_file ) < 0) fatal_perror( "fclose" );
 666         if (output_file_source_name) assemble_file( output_file_source_name, output_file_name );
 667         output_file_name = NULL;
 668     }
 669     return 0;
 670 }