git.oblomov.eu Git - wine/blob - tools/winebuild/spec32.c

   1 /*
   2  * 32-bit spec files
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <assert.h>
  29 #include <ctype.h>
  30 #include <stdarg.h>
  31 #include <string.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wine/exception.h"
  36 #include "build.h"
  37
  38
  39 #ifdef __APPLE__
  40 # define __ASM_SKIP ".space"
  41 #else
  42 # define __ASM_SKIP ".skip"
  43 #endif
  44
  45 static int string_compare( const void *ptr1, const void *ptr2 )
  46 {
  47     const char * const *str1 = ptr1;
  48     const char * const *str2 = ptr2;
  49     return strcmp( *str1, *str2 );
  50 }
  51
  52
  53 /*******************************************************************
  54  *         make_internal_name
  55  *
  56  * Generate an internal name for an entry point. Used for stubs etc.
  57  */
  58 static const char *make_internal_name( const ORDDEF *odp, DLLSPEC *spec, const char *prefix )
  59 {
  60     static char buffer[256];
  61     if (odp->name || odp->export_name)
  62     {
  63         char *p;
  64         sprintf( buffer, "__wine_%s_%s_%s", prefix, spec->file_name,
  65                  odp->name ? odp->name : odp->export_name );
  66         /* make sure name is a legal C identifier */
  67         for (p = buffer; *p; p++) if (!isalnum(*p) && *p != '_') break;
  68         if (!*p) return buffer;
  69     }
  70     sprintf( buffer, "__wine_%s_%s_%d", prefix, make_c_identifier(spec->file_name), odp->ordinal );
  71     return buffer;
  72 }
  73
  74 /*******************************************************************
  75  *         declare_weak_function
  76  *
  77  * Output a prototype for a weak function.
  78  */
  79 static void declare_weak_function( FILE *outfile, const char *ret_type, const char *name, const char *params)
  80 {
  81     fprintf( outfile, "#ifdef __GNUC__\n" );
  82     fprintf( outfile, "# ifdef __APPLE__\n" );
  83     fprintf( outfile, "extern %s %s(%s) __attribute__((weak_import));\n", ret_type, name, params );
  84     fprintf( outfile, "static %s (*__wine_spec_weak_%s)(%s) = %s;\n", ret_type, name, params, name );
  85     fprintf( outfile, "#define %s __wine_spec_weak_%s\n", name, name );
  86     fprintf( outfile, "# else\n" );
  87     fprintf( outfile, "extern %s %s(%s) __attribute__((weak));\n", ret_type, name, params );
  88     fprintf( outfile, "# endif\n" );
  89     fprintf( outfile, "#else\n" );
  90     fprintf( outfile, "extern %s %s(%s);\n", ret_type, name, params );
  91     fprintf( outfile, "static void __asm__dummy_%s(void)", name );
  92     fprintf( outfile, " { asm(\".weak " __ASM_NAME("%s") "\"); }\n", name );
  93     fprintf( outfile, "#endif\n\n" );
  94 }
  95
  96
  97 /*******************************************************************
  98  *         output_debug
  99  *
 100  * Output the debug channels.
 101  */
 102 static int output_debug( FILE *outfile )
 103 {
 104     int i;
 105
 106     if (!nb_debug_channels) return 0;
 107     qsort( debug_channels, nb_debug_channels, sizeof(debug_channels[0]), string_compare );
 108
 109     for (i = 0; i < nb_debug_channels; i++)
 110         fprintf( outfile, "char __wine_dbch_%s[] = \"\\003%s\";\n",
 111                  debug_channels[i], debug_channels[i] );
 112
 113     fprintf( outfile, "\nstatic char * const debug_channels[%d] =\n{\n", nb_debug_channels );
 114     for (i = 0; i < nb_debug_channels; i++)
 115     {
 116         fprintf( outfile, "    __wine_dbch_%s", debug_channels[i] );
 117         if (i < nb_debug_channels - 1) fprintf( outfile, ",\n" );
 118     }
 119     fprintf( outfile, "\n};\n\n" );
 120     fprintf( outfile, "static void *debug_registration;\n\n" );
 121
 122     return nb_debug_channels;
 123 }
 124
 125
 126 /*******************************************************************
 127  *         get_exports_size
 128  *
 129  * Compute the size of the export table.
 130  */
 131 static int get_exports_size( DLLSPEC *spec )
 132 {
 133     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 134     int i, fwd_size = 0, total_size;
 135
 136     if (!nr_exports) return 0;
 137
 138     /* export directory header */
 139     total_size = 10 * sizeof(int);
 140
 141     /* function pointers */
 142     total_size += nr_exports * sizeof(int);
 143
 144     /* function name pointers */
 145     total_size += spec->nb_names * sizeof(int);
 146
 147     /* function ordinals */
 148     total_size += spec->nb_names * sizeof(short);
 149     if (spec->nb_names % 2) total_size += sizeof(short);
 150
 151     /* forward strings */
 152     for (i = spec->base; i <= spec->limit; i++)
 153     {
 154         ORDDEF *odp = spec->ordinals[i];
 155         if (odp && odp->flags & FLAG_FORWARD) fwd_size += strlen(odp->link_name) + 1;
 156     }
 157     total_size += (fwd_size + 3) & ~3;
 158
 159     return total_size;
 160 }
 161
 162
 163 /*******************************************************************
 164  *         output_exports
 165  *
 166  * Output the export table for a Win32 module.
 167  */
 168 static void output_exports( FILE *outfile, DLLSPEC *spec )
 169 {
 170     int i, fwd_size = 0;
 171     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 172
 173     if (!nr_exports) return;
 174
 175     fprintf( outfile, "/* export table */\n" );
 176     fprintf( outfile, "asm(\".data\\n\"\n" );
 177     fprintf( outfile, "    \"\\t.align %d\\n\"\n", get_alignment(4) );
 178     fprintf( outfile, "    \"" __ASM_NAME("__wine_spec_exports") ":\\n\"\n" );
 179
 180     /* export directory header */
 181
 182     fprintf( outfile, "    \"\\t.long 0\\n\"\n" );                 /* Characteristics */
 183     fprintf( outfile, "    \"\\t.long 0\\n\"\n" );                 /* TimeDateStamp */
 184     fprintf( outfile, "    \"\\t.long 0\\n\"\n" );                 /* MajorVersion/MinorVersion */
 185     fprintf( outfile, "    \"\\t.long __wine_spec_exp_names\\n\"\n" ); /* Name */
 186     fprintf( outfile, "    \"\\t.long %d\\n\"\n", spec->base );        /* Base */
 187     fprintf( outfile, "    \"\\t.long %d\\n\"\n", nr_exports );        /* NumberOfFunctions */
 188     fprintf( outfile, "    \"\\t.long %d\\n\"\n", spec->nb_names );    /* NumberOfNames */
 189     fprintf( outfile, "    \"\\t.long __wine_spec_exports_funcs\\n\"\n" ); /* AddressOfFunctions */
 190     if (spec->nb_names)
 191     {
 192         fprintf( outfile, "    \"\\t.long __wine_spec_exp_name_ptrs\\n\"\n" );     /* AddressOfNames */
 193         fprintf( outfile, "    \"\\t.long __wine_spec_exp_ordinals\\n\"\n" );  /* AddressOfNameOrdinals */
 194     }
 195     else
 196     {
 197         fprintf( outfile, "    \"\\t.long 0\\n\"\n" );  /* AddressOfNames */
 198         fprintf( outfile, "    \"\\t.long 0\\n\"\n" );  /* AddressOfNameOrdinals */
 199     }
 200
 201     /* output the function pointers */
 202
 203     fprintf( outfile, "    \"__wine_spec_exports_funcs:\\n\"\n" );
 204     for (i = spec->base; i <= spec->limit; i++)
 205     {
 206         ORDDEF *odp = spec->ordinals[i];
 207         if (!odp) fprintf( outfile, "    \"\\t.long 0\\n\"\n" );
 208         else switch(odp->type)
 209         {
 210         case TYPE_EXTERN:
 211         case TYPE_STDCALL:
 212         case TYPE_VARARGS:
 213         case TYPE_CDECL:
 214             if (!(odp->flags & FLAG_FORWARD))
 215             {
 216                 fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n", odp->link_name );
 217             }
 218             else
 219             {
 220                 fprintf( outfile, "    \"\\t.long __wine_spec_forwards+%d\\n\"\n", fwd_size );
 221                 fwd_size += strlen(odp->link_name) + 1;
 222             }
 223             break;
 224         case TYPE_STUB:
 225             fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n",
 226                      make_internal_name( odp, spec, "stub" ) );
 227             break;
 228         default:
 229             assert(0);
 230         }
 231     }
 232
 233     if (spec->nb_names)
 234     {
 235         /* output the function name pointers */
 236
 237         int namepos = strlen(spec->file_name) + 1;
 238
 239         fprintf( outfile, "    \"__wine_spec_exp_name_ptrs:\\n\"\n" );
 240         for (i = 0; i < spec->nb_names; i++)
 241         {
 242             fprintf( outfile, "    \"\\t.long __wine_spec_exp_names+%d\\n\"\n", namepos );
 243             namepos += strlen(spec->names[i]->name) + 1;
 244         }
 245     }
 246
 247     /* output the function names */
 248
 249     fprintf( outfile, "    \"\\t.text\\n\"\n" );
 250     fprintf( outfile, "    \"__wine_spec_exp_names:\\n\"\n" );
 251     fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", spec->file_name );
 252     for (i = 0; i < spec->nb_names; i++)
 253         fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", spec->names[i]->name );
 254     fprintf( outfile, "    \"\\t.data\\n\"\n" );
 255
 256     if (spec->nb_names)
 257     {
 258         /* output the function ordinals */
 259
 260         fprintf( outfile, "    \"__wine_spec_exp_ordinals:\\n\"\n" );
 261         for (i = 0; i < spec->nb_names; i++)
 262         {
 263             fprintf( outfile, "    \"\\t" __ASM_SHORT " %d\\n\"\n",
 264                      spec->names[i]->ordinal - spec->base );
 265         }
 266         if (spec->nb_names % 2)
 267         {
 268             fprintf( outfile, "    \"\\t" __ASM_SHORT " 0\\n\"\n" );
 269         }
 270     }
 271
 272     /* output forward strings */
 273
 274     if (fwd_size)
 275     {
 276         fprintf( outfile, "    \"__wine_spec_forwards:\\n\"\n" );
 277         for (i = spec->base; i <= spec->limit; i++)
 278         {
 279             ORDDEF *odp = spec->ordinals[i];
 280             if (odp && (odp->flags & FLAG_FORWARD))
 281                 fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", odp->link_name );
 282         }
 283         fprintf( outfile, "    \"\\t.align %d\\n\"\n", get_alignment(4) );
 284     }
 285
 286     /* output relays */
 287
 288     if (debugging)
 289     {
 290         for (i = spec->base; i <= spec->limit; i++)
 291         {
 292             ORDDEF *odp = spec->ordinals[i];
 293             unsigned int j, args, mask = 0;
 294
 295             /* skip nonexistent entry points */
 296             if (!odp) goto ignore;
 297             /* skip non-functions */
 298             if ((odp->type != TYPE_STDCALL) && (odp->type != TYPE_CDECL)) goto ignore;
 299             /* skip norelay and forward entry points */
 300             if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) goto ignore;
 301
 302             for (j = 0; odp->u.func.arg_types[j]; j++)
 303             {
 304                 if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2);
 305                 if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2);
 306             }
 307             if ((odp->flags & FLAG_RET64) && (j < 16)) mask |= 0x80000000;
 308
 309             args = strlen(odp->u.func.arg_types) * sizeof(int);
 310
 311             switch(odp->type)
 312             {
 313             case TYPE_STDCALL:
 314                 fprintf( outfile, "    \"\\tjmp " __ASM_NAME("%s") "\\n\"\n", odp->link_name );
 315                 fprintf( outfile, "    \"\\tret $%d\\n\"\n", args );
 316                 fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") ",0x%08x\\n\"\n", odp->link_name, mask );
 317                 break;
 318             case TYPE_CDECL:
 319                 fprintf( outfile, "    \"\\tjmp " __ASM_NAME("%s") "\\n\"\n", odp->link_name );
 320                 fprintf( outfile, "    \"\\tret\\n\"\n" );
 321                 fprintf( outfile, "    \"\\t" __ASM_SHORT " %d\\n\"\n", args );
 322                 fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") ",0x%08x\\n\"\n", odp->link_name, mask );
 323                 break;
 324             default:
 325                 assert(0);
 326             }
 327             continue;
 328
 329         ignore:
 330             fprintf( outfile, "    \"\\t.long 0,0,0,0\\n\"\n" );
 331         }
 332     }
 333     fprintf( outfile, ");\n" );
 334 }
 335
 336
 337 /*******************************************************************
 338  *         output_stub_funcs
 339  *
 340  * Output the functions for stub entry points
 341 */
 342 static void output_stub_funcs( FILE *outfile, DLLSPEC *spec )
 343 {
 344     int i;
 345
 346     for (i = 0; i < spec->nb_entry_points; i++)
 347     {
 348         ORDDEF *odp = &spec->entry_points[i];
 349         if (odp->type != TYPE_STUB) continue;
 350         fprintf( outfile, "#ifdef __GNUC__\n" );
 351         fprintf( outfile, "static void __wine_unimplemented( const char *func ) __attribute__((noreturn));\n" );
 352         fprintf( outfile, "#endif\n\n" );
 353         fprintf( outfile, "struct exc_record {\n" );
 354         fprintf( outfile, "  unsigned int code, flags;\n" );
 355         fprintf( outfile, "  void *rec, *addr;\n" );
 356         fprintf( outfile, "  unsigned int params;\n" );
 357         fprintf( outfile, "  const void *info[15];\n" );
 358         fprintf( outfile, "};\n\n" );
 359         fprintf( outfile, "extern void __stdcall RtlRaiseException( struct exc_record * );\n\n" );
 360         fprintf( outfile, "static void __wine_unimplemented( const char *func )\n{\n" );
 361         fprintf( outfile, "  struct exc_record rec;\n" );
 362         fprintf( outfile, "  rec.code    = 0x%08x;\n", EXCEPTION_WINE_STUB );
 363         fprintf( outfile, "  rec.flags   = %d;\n", EH_NONCONTINUABLE );
 364         fprintf( outfile, "  rec.rec     = 0;\n" );
 365         fprintf( outfile, "  rec.params  = 2;\n" );
 366         fprintf( outfile, "  rec.info[0] = \"%s\";\n", spec->file_name );
 367         fprintf( outfile, "  rec.info[1] = func;\n" );
 368         fprintf( outfile, "#ifdef __GNUC__\n" );
 369         fprintf( outfile, "  rec.addr = __builtin_return_address(1);\n" );
 370         fprintf( outfile, "#else\n" );
 371         fprintf( outfile, "  rec.addr = 0;\n" );
 372         fprintf( outfile, "#endif\n" );
 373         fprintf( outfile, "  for (;;) RtlRaiseException( &rec );\n}\n\n" );
 374         break;
 375     }
 376
 377     for (i = 0; i < spec->nb_entry_points; i++)
 378     {
 379         const ORDDEF *odp = &spec->entry_points[i];
 380         if (odp->type != TYPE_STUB) continue;
 381         fprintf( outfile, "void %s(void) ", make_internal_name( odp, spec, "stub" ) );
 382         if (odp->name)
 383             fprintf( outfile, "{ __wine_unimplemented(\"%s\"); }\n", odp->name );
 384         else if (odp->export_name)
 385             fprintf( outfile, "{ __wine_unimplemented(\"%s\"); }\n", odp->export_name );
 386         else
 387             fprintf( outfile, "{ __wine_unimplemented(\"%d\"); }\n", odp->ordinal );
 388     }
 389 }
 390
 391
 392 /*******************************************************************
 393  *         output_dll_init
 394  *
 395  * Output code for calling a dll constructor and destructor.
 396  */
 397 void output_dll_init( FILE *outfile, const char *constructor, const char *destructor )
 398 {
 399 #ifdef __APPLE__
 400 /* Mach-O doesn't have an init section */
 401     if (constructor)
 402     {
 403         fprintf( outfile, "asm(\"\\t.mod_init_func\\n\"\n" );
 404         fprintf( outfile, "    \"\\t.align 2\\n\"\n" );
 405         fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n", constructor );
 406         fprintf( outfile, "    \"\\t.text\\n\");\n" );
 407     }
 408     if (destructor)
 409     {
 410         fprintf( outfile, "asm(\"\\t.mod_term_func\\n\"\n" );
 411         fprintf( outfile, "    \"\\t.align 2\\n\"\n" );
 412         fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n", destructor );
 413         fprintf( outfile, "    \"\\t.text\\n\");\n" );
 414     }
 415 #elif defined(__i386__)
 416     if (constructor)
 417     {
 418         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 419         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", constructor );
 420         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 421     }
 422     if (destructor)
 423     {
 424         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 425         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", destructor );
 426         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 427     }
 428 #elif defined(__sparc__)
 429     if (constructor)
 430     {
 431         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 432         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", constructor );
 433         fprintf( outfile, "    \"\\tnop\\n\"\n" );
 434         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 435     }
 436     if (destructor)
 437     {
 438         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 439         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", destructor );
 440         fprintf( outfile, "    \"\\tnop\\n\"\n" );
 441         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 442     }
 443 #elif defined(__powerpc__)
 444     if (constructor)
 445     {
 446         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 447         fprintf( outfile, "    \"\\tbl " __ASM_NAME("%s") "\\n\"\n", constructor );
 448         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 449     }
 450     if (destructor)
 451     {
 452         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 453         fprintf( outfile, "    \"\\tbl " __ASM_NAME("%s") "\\n\"\n", destructor );
 454         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 455     }
 456 #elif defined(__ALPHA__)
 457     if (constructor)
 458     {
 459         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 460         fprintf( outfile, "    \"\\tjsr $26," __ASM_NAME("%s") "\\n\"\n", constructor );
 461         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 462     }
 463     if (destructor)
 464     {
 465         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 466         fprintf( outfile, "    \"\\tjsr $26," __ASM_NAME("%s") "\\n\"\n", destructor );
 467         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 468     }
 469 #else
 470 #error You need to define the DLL constructor for your architecture
 471 #endif
 472 }
 473
 474
 475 /*******************************************************************
 476  *         BuildSpec32File
 477  *
 478  * Build a Win32 C file from a spec file.
 479  */
 480 void BuildSpec32File( FILE *outfile, DLLSPEC *spec )
 481 {
 482     int exports_size = 0;
 483     int nr_exports, nr_imports, nr_delayed;
 484     DWORD page_size;
 485     const char *init_func = spec->init_func;
 486
 487 #ifdef HAVE_GETPAGESIZE
 488     page_size = getpagesize();
 489 #elif defined(__svr4__)
 490     page_size = sysconf(_SC_PAGESIZE);
 491 #elif defined(_WINDOWS)
 492     {
 493         SYSTEM_INFO si;
 494         GetSystemInfo(&si);
 495         page_size = si.dwPageSize;
 496     }
 497 #else
 498 #   error Cannot get the page size on this platform
 499 #endif
 500
 501     nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 502     resolve_imports( spec );
 503     exports_size = get_exports_size( spec );
 504     output_standard_file_header( outfile );
 505
 506     /* Reserve some space for the PE header */
 507
 508     fprintf( outfile, "extern char __wine_spec_pe_header[];\n" );
 509     fprintf( outfile, "#ifndef __GNUC__\n" );
 510     fprintf( outfile, "static void __asm__dummy_header(void) {\n" );
 511     fprintf( outfile, "#endif\n" );
 512     fprintf( outfile, "asm(\".text\\n\\t\"\n" );
 513     fprintf( outfile, "    \".align %d\\n\"\n", get_alignment(page_size) );
 514     fprintf( outfile, "    \"" __ASM_NAME("__wine_spec_pe_header") ":\\t" __ASM_SKIP " 65536\\n\\t\"\n" );
 515     fprintf( outfile, "    \".data\\n\\t\"\n" );
 516     fprintf( outfile, "    \".align %d\\n\"\n", get_alignment(4) );
 517     fprintf( outfile, "    \"" __ASM_NAME("__wine_spec_data_start") ":\\t.long 1\");\n" );
 518     fprintf( outfile, "#ifndef __GNUC__\n" );
 519     fprintf( outfile, "}\n" );
 520     fprintf( outfile, "#endif\n" );
 521
 522 #ifdef __APPLE__
 523     fprintf( outfile, "static char _end[4];\n" );
 524 #else
 525     fprintf( outfile, "extern char _end[];\n" );
 526 #endif
 527
 528     fprintf( outfile, "extern int __wine_spec_data_start[], __wine_spec_exports[];\n\n" );
 529
 530 #ifdef __i386__
 531     fprintf( outfile, "#define __stdcall __attribute__((__stdcall__))\n\n" );
 532 #else
 533     fprintf( outfile, "#define __stdcall\n\n" );
 534 #endif
 535
 536     output_stub_funcs( outfile, spec );
 537
 538     /* Output the DLL imports */
 539
 540     nr_imports = output_imports( outfile, spec, &nr_delayed );
 541
 542     /* Output the resources */
 543
 544     output_resources( outfile, spec );
 545
 546     /* Output the entry point function */
 547
 548     fprintf( outfile, "static int __wine_spec_init_state;\n" );
 549     fprintf( outfile, "extern int __wine_main_argc;\n" );
 550     fprintf( outfile, "extern char **__wine_main_argv;\n" );
 551     fprintf( outfile, "extern char **__wine_main_environ;\n" );
 552     fprintf( outfile, "extern unsigned short **__wine_main_wargv;\n" );
 553 #ifdef __APPLE__
 554     fprintf( outfile, "extern _dyld_func_lookup(char *, void *);" );
 555     fprintf( outfile, "static void __wine_spec_hidden_init(int argc, char** argv, char** envp)\n" );
 556     fprintf( outfile, "{\n" );
 557     fprintf( outfile, "    void (*init)(void);\n" );
 558     fprintf( outfile, "    _dyld_func_lookup(\"__dyld_make_delayed_module_initializer_calls\", (unsigned long *)&init);\n" );
 559     fprintf( outfile, "    init();\n" );
 560     fprintf( outfile, "}\n" );
 561     fprintf( outfile, "static void __wine_spec_hidden_fini()\n" );
 562     fprintf( outfile, "{\n" );
 563     fprintf( outfile, "    void (*fini)(void);\n" );
 564     fprintf( outfile, "    _dyld_func_lookup(\"__dyld_mod_term_funcs\", (unsigned long *)&fini);\n" );
 565     fprintf( outfile, "    fini();\n" );
 566     fprintf( outfile, "}\n" );
 567     fprintf( outfile, "#define _init __wine_spec_hidden_init\n" );
 568     fprintf( outfile, "#define _fini __wine_spec_hidden_fini\n" );
 569 #else
 570     fprintf( outfile, "extern void _init(int, char**, char**);\n" );
 571     fprintf( outfile, "extern void _fini();\n" );
 572 #endif
 573
 574     if (spec->characteristics & IMAGE_FILE_DLL)
 575     {
 576         if (init_func)
 577             fprintf( outfile, "extern int __stdcall %s( void*, unsigned int, void* );\n\n", init_func );
 578         else
 579         {
 580             declare_weak_function( outfile, "int __stdcall", "DllMain", "void*, unsigned int, void*" );
 581             init_func = "DllMain";
 582         }
 583         fprintf( outfile,
 584                  "static int __stdcall __wine_dll_main( void *inst, unsigned int reason, void *reserved )\n"
 585                  "{\n"
 586                  "    int ret;\n"
 587                  "    if (reason == %d && __wine_spec_init_state == 1)\n"
 588                  "        _init( __wine_main_argc, __wine_main_argv, __wine_main_environ );\n"
 589                  "    ret = %s ? %s( inst, reason, reserved ) : 1;\n"
 590                  "    if (reason == %d && __wine_spec_init_state == 1)\n",
 591                  DLL_PROCESS_ATTACH, init_func, init_func, DLL_PROCESS_DETACH );
 592         if (!nr_delayed)
 593             fprintf( outfile, "        _fini();\n" );
 594         else
 595             fprintf( outfile,
 596                      "    {\n"
 597                      "        extern int __stdcall FreeLibrary(void *);\n"
 598                      "        unsigned int i;\n"
 599                      "        _fini();\n"
 600                      "        for (i = 0; i < sizeof(__wine_delay_imp_hmod)/sizeof(__wine_delay_imp_hmod[0]); i++)\n"
 601                      "            if (__wine_delay_imp_hmod[i]) FreeLibrary( __wine_delay_imp_hmod[i] );\n"
 602                      "    }\n" );
 603         fprintf( outfile, "    return ret;\n}\n" );
 604         init_func = "__wine_dll_main";
 605     }
 606     else switch(spec->subsystem)
 607     {
 608     case IMAGE_SUBSYSTEM_NATIVE:
 609         if (init_func)
 610             fprintf( outfile, "extern int __stdcall %s( void*, void* );\n\n", init_func );
 611         else
 612         {
 613             declare_weak_function( outfile, "int __stdcall", "DriverEntry", "void*, void*");
 614             init_func = "DriverEntry";
 615         }
 616         fprintf( outfile,
 617                  "static int __stdcall __wine_driver_entry( void *obj, void *path )\n"
 618                  "{\n"
 619                  "    int ret;\n"
 620                  "    if (__wine_spec_init_state == 1)\n"
 621                  "        _init( __wine_main_argc, __wine_main_argv, __wine_main_environ );\n"
 622                  "    ret = %s ? %s( obj, path ) : 0;\n"
 623                  "    if (__wine_spec_init_state == 1) _fini();\n"
 624                  "    return ret;\n"
 625                  "}\n",
 626                  init_func, init_func );
 627         init_func = "__wine_driver_entry";
 628         break;
 629     case IMAGE_SUBSYSTEM_WINDOWS_GUI:
 630     case IMAGE_SUBSYSTEM_WINDOWS_CUI:
 631         if (init_func)
 632             fprintf( outfile, "extern int %s( int argc, char *argv[] );\n", init_func );
 633         else
 634         {
 635             declare_weak_function( outfile, "int", "main", "int argc, char *argv[]" );
 636             declare_weak_function( outfile, "int", "wmain", "int argc, unsigned short *argv[]" );
 637             declare_weak_function( outfile, "int __stdcall", "WinMain", "void *,void *,char *,int" );
 638         }
 639         fprintf( outfile,
 640                  "\ntypedef struct {\n"
 641                  "    unsigned int cb;\n"
 642                  "    char *lpReserved, *lpDesktop, *lpTitle;\n"
 643                  "    unsigned int dwX, dwY, dwXSize, dwYSize;\n"
 644                  "    unsigned int dwXCountChars, dwYCountChars, dwFillAttribute, dwFlags;\n"
 645                  "    unsigned short wShowWindow, cbReserved2;\n"
 646                  "    char *lpReserved2;\n"
 647                  "    void *hStdInput, *hStdOutput, *hStdError;\n"
 648                  "} STARTUPINFOA;\n"
 649                  "extern char * __stdcall GetCommandLineA(void);\n"
 650                  "extern void * __stdcall GetModuleHandleA(char *);\n"
 651                  "extern void __stdcall GetStartupInfoA(STARTUPINFOA *);\n"
 652                  "extern void __stdcall ExitProcess(unsigned int);\n"
 653                  "static void __wine_exe_main(void)\n"
 654                  "{\n"
 655                  "    int ret;\n"
 656                  "    if (__wine_spec_init_state == 1)\n"
 657                  "        _init( __wine_main_argc, __wine_main_argv, __wine_main_environ );\n" );
 658         if (init_func)
 659             fprintf( outfile,
 660                      "    ret = %s( __wine_main_argc, __wine_main_argv );\n", init_func );
 661         else
 662             fprintf( outfile,
 663                      "    if (WinMain) {\n"
 664                      "        STARTUPINFOA info;\n"
 665                      "        char *cmdline = GetCommandLineA();\n"
 666                      "        int bcount=0, in_quotes=0;\n"
 667                      "        while (*cmdline) {\n"
 668                      "            if ((*cmdline=='\\t' || *cmdline==' ') && !in_quotes) break;\n"
 669                      "            else if (*cmdline=='\\\\') bcount++;\n"
 670                      "            else if (*cmdline=='\\\"') {\n"
 671                      "                if ((bcount & 1)==0) in_quotes=!in_quotes;\n"
 672                      "                bcount=0;\n"
 673                      "            }\n"
 674                      "            else bcount=0;\n"
 675                      "            cmdline++;\n"
 676                      "        }\n"
 677                      "        while (*cmdline=='\\t' || *cmdline==' ') cmdline++;\n"
 678                      "        GetStartupInfoA( &info );\n"
 679                      "        if (!(info.dwFlags & 1)) info.wShowWindow = 1;\n"
 680                      "        ret = WinMain( GetModuleHandleA(0), 0, cmdline, info.wShowWindow );\n"
 681                      "    }\n"
 682                      "    else if (wmain) ret = wmain( __wine_main_argc, __wine_main_wargv );\n"
 683                      "    else ret = main( __wine_main_argc, __wine_main_argv );\n" );
 684         fprintf( outfile,
 685                  "    if (__wine_spec_init_state == 1) _fini();\n"
 686                  "    ExitProcess( ret );\n"
 687                  "}\n\n" );
 688         init_func = "__wine_exe_main";
 689         break;
 690     }
 691
 692     /* Output the NT header */
 693
 694     /* this is the IMAGE_NT_HEADERS structure, but we cannot include winnt.h here */
 695     fprintf( outfile, "static const struct image_nt_headers\n{\n" );
 696     fprintf( outfile, "  int Signature;\n" );
 697     fprintf( outfile, "  struct file_header {\n" );
 698     fprintf( outfile, "    short Machine;\n" );
 699     fprintf( outfile, "    short NumberOfSections;\n" );
 700     fprintf( outfile, "    int   TimeDateStamp;\n" );
 701     fprintf( outfile, "    void *PointerToSymbolTable;\n" );
 702     fprintf( outfile, "    int   NumberOfSymbols;\n" );
 703     fprintf( outfile, "    short SizeOfOptionalHeader;\n" );
 704     fprintf( outfile, "    short Characteristics;\n" );
 705     fprintf( outfile, "  } FileHeader;\n" );
 706     fprintf( outfile, "  struct opt_header {\n" );
 707     fprintf( outfile, "    short Magic;\n" );
 708     fprintf( outfile, "    char  MajorLinkerVersion, MinorLinkerVersion;\n" );
 709     fprintf( outfile, "    int   SizeOfCode;\n" );
 710     fprintf( outfile, "    int   SizeOfInitializedData;\n" );
 711     fprintf( outfile, "    int   SizeOfUninitializedData;\n" );
 712     fprintf( outfile, "    void *AddressOfEntryPoint;\n" );
 713     fprintf( outfile, "    void *BaseOfCode;\n" );
 714     fprintf( outfile, "    void *BaseOfData;\n" );
 715     fprintf( outfile, "    void *ImageBase;\n" );
 716     fprintf( outfile, "    int   SectionAlignment;\n" );
 717     fprintf( outfile, "    int   FileAlignment;\n" );
 718     fprintf( outfile, "    short MajorOperatingSystemVersion;\n" );
 719     fprintf( outfile, "    short MinorOperatingSystemVersion;\n" );
 720     fprintf( outfile, "    short MajorImageVersion;\n" );
 721     fprintf( outfile, "    short MinorImageVersion;\n" );
 722     fprintf( outfile, "    short MajorSubsystemVersion;\n" );
 723     fprintf( outfile, "    short MinorSubsystemVersion;\n" );
 724     fprintf( outfile, "    int   Win32VersionValue;\n" );
 725     fprintf( outfile, "    void *SizeOfImage;\n" );
 726     fprintf( outfile, "    int   SizeOfHeaders;\n" );
 727     fprintf( outfile, "    int   CheckSum;\n" );
 728     fprintf( outfile, "    short Subsystem;\n" );
 729     fprintf( outfile, "    short DllCharacteristics;\n" );
 730     fprintf( outfile, "    int   SizeOfStackReserve;\n" );
 731     fprintf( outfile, "    int   SizeOfStackCommit;\n" );
 732     fprintf( outfile, "    int   SizeOfHeapReserve;\n" );
 733     fprintf( outfile, "    int   SizeOfHeapCommit;\n" );
 734     fprintf( outfile, "    int   LoaderFlags;\n" );
 735     fprintf( outfile, "    int   NumberOfRvaAndSizes;\n" );
 736     fprintf( outfile, "    struct { const void *VirtualAddress; int Size; } DataDirectory[%d];\n",
 737              IMAGE_NUMBEROF_DIRECTORY_ENTRIES );
 738     fprintf( outfile, "  } OptionalHeader;\n" );
 739     fprintf( outfile, "} nt_header = {\n" );
 740     fprintf( outfile, "  0x%04x,\n", IMAGE_NT_SIGNATURE );   /* Signature */
 741 #ifdef __i386__
 742     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_I386 );  /* Machine */
 743 #elif defined(__powerpc__)
 744     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_POWERPC ); /* Machine */
 745 #elif defined(__ALPHA__)
 746     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_ALPHA ); /* Machine */
 747 #else
 748     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_UNKNOWN );  /* Machine */
 749 #endif
 750     fprintf( outfile, "    0, 0, 0, 0,\n" );
 751     fprintf( outfile, "    sizeof(nt_header.OptionalHeader),\n" ); /* SizeOfOptionalHeader */
 752     fprintf( outfile, "    0x%04x },\n", spec->characteristics );  /* Characteristics */
 753
 754     fprintf( outfile, "  { 0x%04x,\n", IMAGE_NT_OPTIONAL_HDR_MAGIC );  /* Magic */
 755     fprintf( outfile, "    0, 0,\n" );                   /* Major/MinorLinkerVersion */
 756     fprintf( outfile, "    0, 0, 0,\n" );                /* SizeOfCode/Data */
 757     fprintf( outfile, "    %s,\n", init_func );          /* AddressOfEntryPoint */
 758     fprintf( outfile, "    0, __wine_spec_data_start,\n" );              /* BaseOfCode/Data */
 759     fprintf( outfile, "    __wine_spec_pe_header,\n" );  /* ImageBase */
 760     fprintf( outfile, "    %ld,\n", page_size );         /* SectionAlignment */
 761     fprintf( outfile, "    %ld,\n", page_size );         /* FileAlignment */
 762     fprintf( outfile, "    1, 0,\n" );                   /* Major/MinorOperatingSystemVersion */
 763     fprintf( outfile, "    0, 0,\n" );                   /* Major/MinorImageVersion */
 764     fprintf( outfile, "    %d,\n", spec->subsystem_major );             /* MajorSubsystemVersion */
 765     fprintf( outfile, "    %d,\n", spec->subsystem_minor );             /* MinorSubsystemVersion */
 766     fprintf( outfile, "    0,\n" );                      /* Win32VersionValue */
 767     fprintf( outfile, "    _end,\n" );                   /* SizeOfImage */
 768     fprintf( outfile, "    %ld,\n", page_size );         /* SizeOfHeaders */
 769     fprintf( outfile, "    0,\n" );                      /* CheckSum */
 770     fprintf( outfile, "    0x%04x,\n", spec->subsystem );/* Subsystem */
 771     fprintf( outfile, "    0,\n" );                      /* DllCharacteristics */
 772     fprintf( outfile, "    %d, %ld,\n",                  /* SizeOfStackReserve/Commit */
 773              (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 774     fprintf( outfile, "    %d, %ld,\n",                  /* SizeOfHeapReserve/Commit */
 775              (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 776     fprintf( outfile, "    0,\n" );                      /* LoaderFlags */
 777     fprintf( outfile, "    %d,\n", IMAGE_NUMBEROF_DIRECTORY_ENTRIES );  /* NumberOfRvaAndSizes */
 778     fprintf( outfile, "    {\n" );
 779     fprintf( outfile, "      { %s, %d },\n",  /* IMAGE_DIRECTORY_ENTRY_EXPORT */
 780              exports_size ? "__wine_spec_exports" : "0", exports_size );
 781     fprintf( outfile, "      { %s, %s },\n",  /* IMAGE_DIRECTORY_ENTRY_IMPORT */
 782              nr_imports ? "&imports" : "0", nr_imports ? "sizeof(imports)" : "0" );
 783     fprintf( outfile, "      { %s, %s },\n",   /* IMAGE_DIRECTORY_ENTRY_RESOURCE */
 784              spec->nb_resources ? "&__wine_spec_resources" : "0",
 785              spec->nb_resources ? "sizeof(__wine_spec_resources)" : "0" );
 786     fprintf( outfile, "    }\n  }\n};\n\n" );
 787
 788     /* Output the DLL constructor */
 789
 790     fprintf( outfile,
 791              "void __wine_spec_init(void)\n"
 792              "{\n"
 793              "    extern void __wine_dll_register( const struct image_nt_headers *, const char * );\n"
 794              "    __wine_spec_init_state = 1;\n"
 795              "    __wine_dll_register( &nt_header, \"%s\" );\n"
 796              "}\n\n",
 797              spec->file_name );
 798
 799     fprintf( outfile,
 800              "void __wine_spec_init_ctor(void)\n"
 801              "{\n"
 802              "    if (__wine_spec_init_state) return;\n"
 803              "    __wine_spec_init();\n"
 804              "    __wine_spec_init_state = 2;\n"
 805              "}\n" );
 806
 807     fprintf( outfile, "#ifndef __GNUC__\n" );
 808     fprintf( outfile, "static void __asm__dummy(void) {\n" );
 809     fprintf( outfile, "#endif\n" );
 810
 811     output_exports( outfile, spec );
 812     output_import_thunks( outfile, spec );
 813     output_dll_init( outfile, "__wine_spec_init_ctor", NULL );
 814
 815     fprintf( outfile, "#ifndef __GNUC__\n" );
 816     fprintf( outfile, "}\n" );
 817     fprintf( outfile, "#endif\n" );
 818 }
 819
 820
 821 /*******************************************************************
 822  *         BuildDef32File
 823  *
 824  * Build a Win32 def file from a spec file.
 825  */
 826 void BuildDef32File( FILE *outfile, DLLSPEC *spec )
 827 {
 828     const char *name;
 829     int i;
 830
 831     if (spec_file_name)
 832         fprintf( outfile, "; File generated automatically from %s; do not edit!\n\n",
 833                  spec_file_name );
 834     else
 835         fprintf( outfile, "; File generated automatically; do not edit!\n\n" );
 836
 837     fprintf(outfile, "LIBRARY %s\n\n", spec->file_name);
 838
 839     fprintf(outfile, "EXPORTS\n");
 840
 841     /* Output the exports and relay entry points */
 842
 843     for(i = 0; i < spec->nb_entry_points; i++)
 844     {
 845         const ORDDEF *odp = &spec->entry_points[i];
 846         int is_data = 0;
 847
 848         if (!odp) continue;
 849         if (odp->type == TYPE_STUB) continue;
 850
 851         if (odp->name) name = odp->name;
 852         else if (odp->export_name) name = odp->export_name;
 853         else continue;
 854
 855         fprintf(outfile, "  %s", name);
 856
 857         switch(odp->type)
 858         {
 859         case TYPE_EXTERN:
 860             is_data = 1;
 861             /* fall through */
 862         case TYPE_VARARGS:
 863         case TYPE_CDECL:
 864             /* try to reduce output */
 865             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 866                 fprintf(outfile, "=%s", odp->link_name);
 867             break;
 868         case TYPE_STDCALL:
 869         {
 870             int at_param = strlen(odp->u.func.arg_types) * sizeof(int);
 871             if (!kill_at) fprintf(outfile, "@%d", at_param);
 872             if  (odp->flags & FLAG_FORWARD)
 873             {
 874                 fprintf(outfile, "=%s", odp->link_name);
 875             }
 876             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 877             {
 878                 fprintf(outfile, "=%s", odp->link_name);
 879                 if (!kill_at) fprintf(outfile, "@%d", at_param);
 880             }
 881             break;
 882         }
 883         default:
 884             assert(0);
 885         }
 886         fprintf( outfile, " @%d", odp->ordinal );
 887         if (!odp->name) fprintf( outfile, " NONAME" );
 888         if (is_data) fprintf( outfile, " DATA" );
 889         if (odp->flags & FLAG_PRIVATE) fprintf( outfile, " PRIVATE" );
 890         fprintf( outfile, "\n" );
 891     }
 892 }
 893
 894
 895 /*******************************************************************
 896  *         BuildDebugFile
 897  *
 898  * Build the debugging channels source file.
 899  */
 900 void BuildDebugFile( FILE *outfile, const char *srcdir, char **argv )
 901 {
 902     int nr_debug;
 903     char *prefix, *p, *constructor, *destructor;
 904
 905     while (*argv)
 906     {
 907         if (!parse_debug_channels( srcdir, *argv++ )) exit(1);
 908     }
 909
 910     output_standard_file_header( outfile );
 911     nr_debug = output_debug( outfile );
 912     if (!nr_debug)
 913     {
 914         fprintf( outfile, "/* no debug channels found for this module */\n" );
 915         return;
 916     }
 917
 918     if (output_file_name)
 919     {
 920         if ((p = strrchr( output_file_name, '/' ))) p++;
 921         prefix = xstrdup( p ? p : output_file_name );
 922         if ((p = strchr( prefix, '.' ))) *p = 0;
 923         strcpy( p, make_c_identifier(p) );
 924     }
 925     else prefix = xstrdup( "_" );
 926
 927     /* Output the DLL constructor */
 928
 929     constructor = xmalloc( strlen(prefix) + 17 );
 930     destructor = xmalloc( strlen(prefix) + 17 );
 931     sprintf( constructor, "__wine_dbg_%s_init", prefix );
 932     sprintf( destructor, "__wine_dbg_%s_fini", prefix );
 933     fprintf( outfile,
 934              "#ifdef __GNUC__\n"
 935              "void %s(void) __attribute__((constructor));\n"
 936              "void %s(void) __attribute__((destructor));\n"
 937              "#else\n"
 938              "static void __asm__dummy_dll_init(void) {\n",
 939              constructor, destructor );
 940     output_dll_init( outfile, constructor, destructor );
 941     fprintf( outfile, "}\n#endif /* defined(__GNUC__) */\n\n" );
 942
 943     fprintf( outfile,
 944              "void %s(void)\n"
 945              "{\n"
 946              "    extern void *__wine_dbg_register( char * const *, int );\n"
 947              "    if (!debug_registration) debug_registration = __wine_dbg_register( debug_channels, %d );\n"
 948              "}\n\n", constructor, nr_debug );
 949     fprintf( outfile,
 950              "void %s(void)\n"
 951              "{\n"
 952              "    extern void __wine_dbg_unregister( void* );\n"
 953              "    __wine_dbg_unregister( debug_registration );\n"
 954              "}\n", destructor );
 955
 956     free( constructor );
 957     free( destructor );
 958     free( prefix );
 959 }