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 *name, const char *prototype )
  80 {
  81     fprintf( outfile, "#ifdef __GNUC__\n" );
  82     fprintf( outfile, "# ifdef __APPLE__\n" );
  83     fprintf( outfile, "extern %s __attribute__((weak_import));\n", prototype );
  84     fprintf( outfile, "# else\n" );
  85     fprintf( outfile, "extern %s __attribute__((weak));\n", prototype );
  86     fprintf( outfile, "# endif\n" );
  87     fprintf( outfile, "#else\n" );
  88     fprintf( outfile, "extern %s;\n", prototype );
  89     fprintf( outfile, "static void __asm__dummy_%s(void)", name );
  90     fprintf( outfile, " { asm(\".weak " __ASM_NAME("%s") "\"); }\n", name );
  91     fprintf( outfile, "#endif\n\n" );
  92 }
  93
  94
  95 /*******************************************************************
  96  *         output_debug
  97  *
  98  * Output the debug channels.
  99  */
 100 static int output_debug( FILE *outfile )
 101 {
 102     int i;
 103
 104     if (!nb_debug_channels) return 0;
 105     qsort( debug_channels, nb_debug_channels, sizeof(debug_channels[0]), string_compare );
 106
 107     for (i = 0; i < nb_debug_channels; i++)
 108         fprintf( outfile, "char __wine_dbch_%s[] = \"\\003%s\";\n",
 109                  debug_channels[i], debug_channels[i] );
 110
 111     fprintf( outfile, "\nstatic char * const debug_channels[%d] =\n{\n", nb_debug_channels );
 112     for (i = 0; i < nb_debug_channels; i++)
 113     {
 114         fprintf( outfile, "    __wine_dbch_%s", debug_channels[i] );
 115         if (i < nb_debug_channels - 1) fprintf( outfile, ",\n" );
 116     }
 117     fprintf( outfile, "\n};\n\n" );
 118     fprintf( outfile, "static void *debug_registration;\n\n" );
 119
 120     return nb_debug_channels;
 121 }
 122
 123
 124 /*******************************************************************
 125  *         output_exports
 126  *
 127  * Output the export table for a Win32 module.
 128  */
 129 static int output_exports( FILE *outfile, int nr_exports, DLLSPEC *spec )
 130 {
 131     int i, fwd_size = 0, total_size = 0;
 132
 133     if (!nr_exports) return 0;
 134
 135     fprintf( outfile, "asm(\".data\\n\"\n" );
 136     fprintf( outfile, "    \"\\t.align %d\\n\"\n", get_alignment(4) );
 137     fprintf( outfile, "    \"" __ASM_NAME("__wine_spec_exports") ":\\n\"\n" );
 138
 139     /* export directory header */
 140
 141     fprintf( outfile, "    \"\\t.long 0\\n\"\n" );                 /* Characteristics */
 142     fprintf( outfile, "    \"\\t.long 0\\n\"\n" );                 /* TimeDateStamp */
 143     fprintf( outfile, "    \"\\t.long 0\\n\"\n" );                 /* MajorVersion/MinorVersion */
 144     fprintf( outfile, "    \"\\t.long __wine_spec_exp_names\\n\"\n" ); /* Name */
 145     fprintf( outfile, "    \"\\t.long %d\\n\"\n", spec->base );        /* Base */
 146     fprintf( outfile, "    \"\\t.long %d\\n\"\n", nr_exports );        /* NumberOfFunctions */
 147     fprintf( outfile, "    \"\\t.long %d\\n\"\n", spec->nb_names );    /* NumberOfNames */
 148     fprintf( outfile, "    \"\\t.long __wine_spec_exports_funcs\\n\"\n" ); /* AddressOfFunctions */
 149     if (spec->nb_names)
 150     {
 151         fprintf( outfile, "    \"\\t.long __wine_spec_exp_name_ptrs\\n\"\n" );     /* AddressOfNames */
 152         fprintf( outfile, "    \"\\t.long __wine_spec_exp_ordinals\\n\"\n" );  /* AddressOfNameOrdinals */
 153     }
 154     else
 155     {
 156         fprintf( outfile, "    \"\\t.long 0\\n\"\n" );  /* AddressOfNames */
 157         fprintf( outfile, "    \"\\t.long 0\\n\"\n" );  /* AddressOfNameOrdinals */
 158     }
 159     total_size += 10 * sizeof(int);
 160
 161     /* output the function pointers */
 162
 163     fprintf( outfile, "    \"__wine_spec_exports_funcs:\\n\"\n" );
 164     for (i = spec->base; i <= spec->limit; i++)
 165     {
 166         ORDDEF *odp = spec->ordinals[i];
 167         if (!odp) fprintf( outfile, "    \"\\t.long 0\\n\"\n" );
 168         else switch(odp->type)
 169         {
 170         case TYPE_EXTERN:
 171         case TYPE_STDCALL:
 172         case TYPE_VARARGS:
 173         case TYPE_CDECL:
 174             if (!(odp->flags & FLAG_FORWARD))
 175             {
 176                 fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n",
 177                          (odp->flags & FLAG_REGISTER) ? make_internal_name( odp, spec, "regs" )
 178                          : odp->link_name );
 179             }
 180             else
 181             {
 182                 fprintf( outfile, "    \"\\t.long __wine_spec_forwards+%d\\n\"\n", fwd_size );
 183                 fwd_size += strlen(odp->link_name) + 1;
 184             }
 185             break;
 186         case TYPE_STUB:
 187             fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n",
 188                      make_internal_name( odp, spec, "stub" ) );
 189             break;
 190         default:
 191             assert(0);
 192         }
 193     }
 194     total_size += (spec->limit - spec->base + 1) * sizeof(int);
 195
 196     if (spec->nb_names)
 197     {
 198         /* output the function name pointers */
 199
 200         int namepos = strlen(spec->file_name) + 1;
 201
 202         fprintf( outfile, "    \"__wine_spec_exp_name_ptrs:\\n\"\n" );
 203         for (i = 0; i < spec->nb_names; i++)
 204         {
 205             fprintf( outfile, "    \"\\t.long __wine_spec_exp_names+%d\\n\"\n", namepos );
 206             namepos += strlen(spec->names[i]->name) + 1;
 207         }
 208         total_size += spec->nb_names * sizeof(int);
 209     }
 210
 211     /* output the function names */
 212
 213     fprintf( outfile, "    \"\\t.text\\n\"\n" );
 214     fprintf( outfile, "    \"__wine_spec_exp_names:\\n\"\n" );
 215     fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", spec->file_name );
 216     for (i = 0; i < spec->nb_names; i++)
 217         fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", spec->names[i]->name );
 218     fprintf( outfile, "    \"\\t.data\\n\"\n" );
 219
 220     if (spec->nb_names)
 221     {
 222         /* output the function ordinals */
 223
 224         fprintf( outfile, "    \"__wine_spec_exp_ordinals:\\n\"\n" );
 225         for (i = 0; i < spec->nb_names; i++)
 226         {
 227             fprintf( outfile, "    \"\\t" __ASM_SHORT " %d\\n\"\n",
 228                      spec->names[i]->ordinal - spec->base );
 229         }
 230         total_size += spec->nb_names * sizeof(short);
 231         if (spec->nb_names % 2)
 232         {
 233             fprintf( outfile, "    \"\\t" __ASM_SHORT " 0\\n\"\n" );
 234             total_size += sizeof(short);
 235         }
 236     }
 237
 238     /* output forward strings */
 239
 240     if (fwd_size)
 241     {
 242         fprintf( outfile, "    \"__wine_spec_forwards:\\n\"\n" );
 243         for (i = spec->base; i <= spec->limit; i++)
 244         {
 245             ORDDEF *odp = spec->ordinals[i];
 246             if (odp && (odp->flags & FLAG_FORWARD))
 247                 fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", odp->link_name );
 248         }
 249         fprintf( outfile, "    \"\\t.align %d\\n\"\n", get_alignment(4) );
 250         total_size += (fwd_size + 3) & ~3;
 251     }
 252
 253     /* output relays */
 254
 255     if (debugging)
 256     {
 257         for (i = spec->base; i <= spec->limit; i++)
 258         {
 259             ORDDEF *odp = spec->ordinals[i];
 260             unsigned int j, args, mask = 0;
 261             const char *name;
 262
 263             /* skip non-existent entry points */
 264             if (!odp) goto ignore;
 265             /* skip non-functions */
 266             if ((odp->type != TYPE_STDCALL) && (odp->type != TYPE_CDECL)) goto ignore;
 267             /* skip norelay and forward entry points */
 268             if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) goto ignore;
 269
 270             for (j = 0; odp->u.func.arg_types[j]; j++)
 271             {
 272                 if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2);
 273                 if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2);
 274             }
 275             if ((odp->flags & FLAG_RET64) && (j < 16)) mask |= 0x80000000;
 276
 277             name = odp->link_name;
 278             args = strlen(odp->u.func.arg_types) * sizeof(int);
 279             if (odp->flags & FLAG_REGISTER) name = make_internal_name( odp, spec, "regs" );
 280
 281             switch(odp->type)
 282             {
 283             case TYPE_STDCALL:
 284                 fprintf( outfile, "    \"\\tjmp " __ASM_NAME("%s") "\\n\"\n", name );
 285                 fprintf( outfile, "    \"\\tret $%d\\n\"\n", args );
 286                 fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") ",0x%08x\\n\"\n", name, mask );
 287                 break;
 288             case TYPE_CDECL:
 289                 fprintf( outfile, "    \"\\tjmp " __ASM_NAME("%s") "\\n\"\n", name );
 290                 fprintf( outfile, "    \"\\tret\\n\"\n" );
 291                 fprintf( outfile, "    \"\\t" __ASM_SHORT " %d\\n\"\n", args );
 292                 fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") ",0x%08x\\n\"\n", name, mask );
 293                 break;
 294             default:
 295                 assert(0);
 296             }
 297             continue;
 298
 299         ignore:
 300             fprintf( outfile, "    \"\\t.long 0,0,0,0\\n\"\n" );
 301         }
 302     }
 303
 304     fprintf( outfile, "    \"\\t.text\\n\"\n" );
 305     fprintf( outfile, "    \"\\t.align %d\\n\"\n", get_alignment(4) );
 306     fprintf( outfile, ");\n\n" );
 307
 308     return total_size;
 309 }
 310
 311
 312 /*******************************************************************
 313  *         output_stub_funcs
 314  *
 315  * Output the functions for stub entry points
 316 */
 317 static void output_stub_funcs( FILE *outfile, DLLSPEC *spec )
 318 {
 319     int i;
 320
 321     for (i = 0; i < spec->nb_entry_points; i++)
 322     {
 323         ORDDEF *odp = &spec->entry_points[i];
 324         if (odp->type != TYPE_STUB) continue;
 325         fprintf( outfile, "#ifdef __GNUC__\n" );
 326         fprintf( outfile, "static void __wine_unimplemented( const char *func ) __attribute__((noreturn));\n" );
 327         fprintf( outfile, "#endif\n\n" );
 328         fprintf( outfile, "struct exc_record {\n" );
 329         fprintf( outfile, "  unsigned int code, flags;\n" );
 330         fprintf( outfile, "  void *rec, *addr;\n" );
 331         fprintf( outfile, "  unsigned int params;\n" );
 332         fprintf( outfile, "  const void *info[15];\n" );
 333         fprintf( outfile, "};\n\n" );
 334         fprintf( outfile, "extern void __stdcall RtlRaiseException( struct exc_record * );\n\n" );
 335         fprintf( outfile, "static void __wine_unimplemented( const char *func )\n{\n" );
 336         fprintf( outfile, "  struct exc_record rec;\n" );
 337         fprintf( outfile, "  rec.code    = 0x%08x;\n", EXCEPTION_WINE_STUB );
 338         fprintf( outfile, "  rec.flags   = %d;\n", EH_NONCONTINUABLE );
 339         fprintf( outfile, "  rec.rec     = 0;\n" );
 340         fprintf( outfile, "  rec.params  = 2;\n" );
 341         fprintf( outfile, "  rec.info[0] = \"%s\";\n", spec->file_name );
 342         fprintf( outfile, "  rec.info[1] = func;\n" );
 343         fprintf( outfile, "#ifdef __GNUC__\n" );
 344         fprintf( outfile, "  rec.addr = __builtin_return_address(1);\n" );
 345         fprintf( outfile, "#else\n" );
 346         fprintf( outfile, "  rec.addr = 0;\n" );
 347         fprintf( outfile, "#endif\n" );
 348         fprintf( outfile, "  for (;;) RtlRaiseException( &rec );\n}\n\n" );
 349         break;
 350     }
 351
 352     for (i = 0; i < spec->nb_entry_points; i++)
 353     {
 354         const ORDDEF *odp = &spec->entry_points[i];
 355         if (odp->type != TYPE_STUB) continue;
 356         fprintf( outfile, "void %s(void) ", make_internal_name( odp, spec, "stub" ) );
 357         if (odp->name)
 358             fprintf( outfile, "{ __wine_unimplemented(\"%s\"); }\n", odp->name );
 359         else if (odp->export_name)
 360             fprintf( outfile, "{ __wine_unimplemented(\"%s\"); }\n", odp->export_name );
 361         else
 362             fprintf( outfile, "{ __wine_unimplemented(\"%d\"); }\n", odp->ordinal );
 363     }
 364 }
 365
 366
 367 /*******************************************************************
 368  *         output_register_funcs
 369  *
 370  * Output the functions for register entry points
 371  */
 372 static void output_register_funcs( FILE *outfile, DLLSPEC *spec )
 373 {
 374     const char *name;
 375     int i;
 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_STDCALL && odp->type != TYPE_CDECL) continue;
 381         if (!(odp->flags & FLAG_REGISTER)) continue;
 382         if (odp->flags & FLAG_FORWARD) continue;
 383         name = make_internal_name( odp, spec, "regs" );
 384         fprintf( outfile,
 385                  "asm(\".align %d\\n\\t\"\n"
 386                  "    \"" __ASM_FUNC("%s") "\\n\\t\"\n"
 387                  "    \"" __ASM_NAME("%s") ":\\n\\t\"\n"
 388                  "    \"call " __ASM_NAME("__wine_call_from_32_regs") "\\n\\t\"\n"
 389                  "    \".long " __ASM_NAME("%s") "\\n\\t\"\n"
 390                  "    \".byte %d,%d\");\n",
 391                  get_alignment(4),
 392                  name, name, odp->link_name,
 393                  strlen(odp->u.func.arg_types) * sizeof(int),
 394                  (odp->type == TYPE_CDECL) ? 0 : (strlen(odp->u.func.arg_types) * sizeof(int)) );
 395     }
 396 }
 397
 398
 399 /*******************************************************************
 400  *         output_dll_init
 401  *
 402  * Output code for calling a dll constructor and destructor.
 403  */
 404 void output_dll_init( FILE *outfile, const char *constructor, const char *destructor )
 405 {
 406     fprintf( outfile, "#ifndef __GNUC__\n" );
 407     fprintf( outfile, "static void __asm__dummy_dll_init(void) {\n" );
 408     fprintf( outfile, "#endif\n" );
 409
 410 #if defined(__i386__)
 411     if (constructor)
 412     {
 413         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 414         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", constructor );
 415         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 416     }
 417     if (destructor)
 418     {
 419         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 420         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", destructor );
 421         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 422     }
 423 #elif defined(__sparc__)
 424     if (constructor)
 425     {
 426         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 427         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", constructor );
 428         fprintf( outfile, "    \"\\tnop\\n\"\n" );
 429         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 430     }
 431     if (destructor)
 432     {
 433         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 434         fprintf( outfile, "    \"\\tcall " __ASM_NAME("%s") "\\n\"\n", destructor );
 435         fprintf( outfile, "    \"\\tnop\\n\"\n" );
 436         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 437     }
 438 #elif defined(__powerpc__)
 439 # ifdef __APPLE__
 440 /* Mach-O doesn't have an init section */
 441     if (constructor)
 442     {
 443         fprintf( outfile, "asm(\"\\t.mod_init_func\\n\"\n" );
 444         fprintf( outfile, "    \"\\t.align 2\\n\"\n" );
 445         fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n", constructor );
 446         fprintf( outfile, "    \"\\t.text\\n\");\n" );
 447     }
 448     if (destructor)
 449     {
 450         fprintf( outfile, "asm(\"\\t.mod_term_func\\n\"\n" );
 451         fprintf( outfile, "    \"\\t.align 2\\n\"\n" );
 452         fprintf( outfile, "    \"\\t.long " __ASM_NAME("%s") "\\n\"\n", destructor );
 453         fprintf( outfile, "    \"\\t.text\\n\");\n" );
 454     }
 455 # else /* __APPLE__ */
 456     if (constructor)
 457     {
 458         fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 459         fprintf( outfile, "    \"\\tbl " __ASM_NAME("%s") "\\n\"\n", constructor );
 460         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 461     }
 462     if (destructor)
 463     {
 464         fprintf( outfile, "asm(\"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 465         fprintf( outfile, "    \"\\tbl " __ASM_NAME("%s") "\\n\"\n", destructor );
 466         fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 467     }
 468 # endif /* __APPLE__ */
 469 #else
 470 #error You need to define the DLL constructor for your architecture
 471 #endif
 472     fprintf( outfile, "#ifndef __GNUC__\n" );
 473     fprintf( outfile, "}\n" );
 474     fprintf( outfile, "#endif\n" );
 475 }
 476
 477
 478 /*******************************************************************
 479  *         BuildSpec32File
 480  *
 481  * Build a Win32 C file from a spec file.
 482  */
 483 void BuildSpec32File( FILE *outfile, DLLSPEC *spec )
 484 {
 485     int exports_size = 0;
 486     int nr_exports, nr_imports;
 487     DWORD page_size;
 488     const char *init_func = spec->init_func;
 489
 490 #ifdef HAVE_GETPAGESIZE
 491     page_size = getpagesize();
 492 #elif defined(__svr4__)
 493     page_size = sysconf(_SC_PAGESIZE);
 494 #elif defined(_WINDOWS)
 495     {
 496         SYSTEM_INFO si;
 497         GetSystemInfo(&si);
 498         page_size = si.dwPageSize;
 499     }
 500 #else
 501 #   error Cannot get the page size on this platform
 502 #endif
 503
 504     nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 505     resolve_imports( spec );
 506     output_standard_file_header( outfile );
 507
 508     /* Reserve some space for the PE header */
 509
 510     fprintf( outfile, "extern char __wine_spec_pe_header[];\n" );
 511     fprintf( outfile, "#ifndef __GNUC__\n" );
 512     fprintf( outfile, "static void __asm__dummy_header(void) {\n" );
 513     fprintf( outfile, "#endif\n" );
 514     fprintf( outfile, "asm(\".text\\n\\t\"\n" );
 515     fprintf( outfile, "    \".align %d\\n\"\n", get_alignment(page_size) );
 516     fprintf( outfile, "    \"" __ASM_NAME("__wine_spec_pe_header") ":\\t" __ASM_SKIP " 65536\\n\\t\"\n" );
 517     fprintf( outfile, "    \".data\\n\\t\"\n" );
 518     fprintf( outfile, "    \".align %d\\n\"\n", get_alignment(4) );
 519     fprintf( outfile, "    \"" __ASM_NAME("__wine_spec_data_start") ":\\t.long 1\");\n" );
 520     fprintf( outfile, "#ifndef __GNUC__\n" );
 521     fprintf( outfile, "}\n" );
 522     fprintf( outfile, "#endif\n" );
 523
 524 #ifdef __APPLE__
 525     fprintf( outfile, "static char _end[4];\n" );
 526 #else
 527     fprintf( outfile, "extern char _end[];\n" );
 528 #endif
 529
 530     fprintf( outfile, "extern int __wine_spec_data_start[], __wine_spec_exports[];\n\n" );
 531
 532 #ifdef __i386__
 533     fprintf( outfile, "#define __stdcall __attribute__((__stdcall__))\n\n" );
 534 #else
 535     fprintf( outfile, "#define __stdcall\n\n" );
 536 #endif
 537
 538     if (nr_exports)
 539     {
 540         /* Output the stub functions */
 541
 542         output_stub_funcs( outfile, spec );
 543
 544         fprintf( outfile, "#ifndef __GNUC__\n" );
 545         fprintf( outfile, "static void __asm__dummy(void) {\n" );
 546         fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
 547
 548         /* Output code for all register functions */
 549
 550         output_register_funcs( outfile, spec );
 551
 552         /* Output the exports and relay entry points */
 553
 554         exports_size = output_exports( outfile, nr_exports, spec );
 555
 556         fprintf( outfile, "#ifndef __GNUC__\n" );
 557         fprintf( outfile, "}\n" );
 558         fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
 559     }
 560
 561     /* Output the DLL imports */
 562
 563     nr_imports = output_imports( outfile, spec );
 564
 565     /* Output the resources */
 566
 567     output_resources( outfile, spec );
 568
 569     /* Output the entry point function */
 570
 571     fprintf( outfile, "static int __wine_spec_init_state;\n" );
 572     fprintf( outfile, "extern int __wine_main_argc;\n" );
 573     fprintf( outfile, "extern char **__wine_main_argv;\n" );
 574     fprintf( outfile, "extern char **__wine_main_environ;\n" );
 575     fprintf( outfile, "extern unsigned short **__wine_main_wargv;\n" );
 576 #ifdef __APPLE__
 577     fprintf( outfile, "extern _dyld_func_lookup(char *, void *);");
 578     fprintf( outfile, "void _init(int argc, char** argv, char** chr)\n" );
 579     fprintf( outfile, "{\n");
 580     fprintf( outfile, "    void (*init)(void);\n");
 581     fprintf( outfile, "    _dyld_func_lookup(\"__dyld_make_delayed_module_initializer_calls\", (unsigned long *)&init);\n");
 582     fprintf( outfile, "    init();\n");
 583     fprintf( outfile, "}\n");
 584     fprintf( outfile, "void _fini()\n" );
 585     fprintf( outfile, "{\n");
 586     fprintf( outfile, "    void (*fini)(void);\n");
 587     fprintf( outfile, "    _dyld_func_lookup(\"__dyld_mod_term_funcs\", (unsigned long *)&fini);\n");
 588     fprintf( outfile, "    fini();\n");
 589     fprintf( outfile, "}\n");
 590 #else
 591     fprintf( outfile, "extern void _init(int, char**, char**);\n" );
 592     fprintf( outfile, "extern void _fini();\n" );
 593 #endif
 594
 595     if (spec->characteristics & IMAGE_FILE_DLL)
 596     {
 597         if (init_func)
 598             fprintf( outfile, "extern int __stdcall %s( void*, unsigned int, void* );\n\n", init_func );
 599         else
 600         {
 601             declare_weak_function( outfile, "DllMain",
 602                                    "int __stdcall DllMain( void*, unsigned int, void* )" );
 603             init_func = "DllMain";
 604         }
 605         fprintf( outfile,
 606                  "static int __stdcall __wine_dll_main( void *inst, unsigned int reason, void *reserved )\n"
 607                  "{\n"
 608                  "    int ret;\n"
 609                  "    if (reason == %d && __wine_spec_init_state == 1)\n"
 610                  "        _init( __wine_main_argc, __wine_main_argv, __wine_main_environ );\n"
 611                  "    ret = %s ? %s( inst, reason, reserved ) : 1;\n"
 612                  "    if (reason == %d && __wine_spec_init_state == 1) _fini();\n"
 613                  "    return ret;\n"
 614                  "}\n",
 615                  DLL_PROCESS_ATTACH, init_func, init_func, DLL_PROCESS_DETACH );
 616         init_func = "__wine_dll_main";
 617     }
 618     else switch(spec->subsystem)
 619     {
 620     case IMAGE_SUBSYSTEM_NATIVE:
 621         if (init_func)
 622             fprintf( outfile, "extern int __stdcall %s( void*, void* );\n\n", init_func );
 623         else
 624         {
 625             declare_weak_function( outfile, "DriverEntry",
 626                                    "int __stdcall DriverEntry( void*, void* )" );
 627             init_func = "DriverEntry";
 628         }
 629         fprintf( outfile,
 630                  "static int __stdcall __wine_driver_entry( void *obj, void *path )\n"
 631                  "{\n"
 632                  "    int ret;\n"
 633                  "    if (__wine_spec_init_state == 1)\n"
 634                  "        _init( __wine_main_argc, __wine_main_argv, __wine_main_environ );\n"
 635                  "    ret = %s ? %s( obj, path ) : 0;\n"
 636                  "    if (__wine_spec_init_state == 1) _fini();\n"
 637                  "    return ret;\n"
 638                  "}\n",
 639                  init_func, init_func );
 640         init_func = "__wine_driver_entry";
 641         break;
 642     case IMAGE_SUBSYSTEM_WINDOWS_GUI:
 643     case IMAGE_SUBSYSTEM_WINDOWS_CUI:
 644         if (init_func)
 645             fprintf( outfile, "extern int %s( int argc, char *argv[] );\n", init_func );
 646         else
 647         {
 648             declare_weak_function( outfile, "main", "int main( int argc, char *argv[] )" );
 649             declare_weak_function( outfile, "wmain", "int wmain( int argc, unsigned short *argv[] )" );
 650             declare_weak_function( outfile, "WinMain", "int __stdcall WinMain(void *,void *,char *,int)" );
 651         }
 652         fprintf( outfile,
 653                  "\ntypedef struct {\n"
 654                  "    unsigned int cb;\n"
 655                  "    char *lpReserved, *lpDesktop, *lpTitle;\n"
 656                  "    unsigned int dwX, dwY, dwXSize, dwYSize;\n"
 657                  "    unsigned int dwXCountChars, dwYCountChars, dwFillAttribute, dwFlags;\n"
 658                  "    unsigned short wShowWindow, cbReserved2;\n"
 659                  "    char *lpReserved2;\n"
 660                  "    void *hStdInput, *hStdOutput, *hStdError;\n"
 661                  "} STARTUPINFOA;\n"
 662                  "extern char * __stdcall GetCommandLineA(void);\n"
 663                  "extern void * __stdcall GetModuleHandleA(char *);\n"
 664                  "extern void __stdcall GetStartupInfoA(STARTUPINFOA *);\n"
 665                  "extern void __stdcall ExitProcess(unsigned int);\n"
 666                  "static void __wine_exe_main(void)\n"
 667                  "{\n"
 668                  "    int ret;\n"
 669                  "    if (__wine_spec_init_state == 1)\n"
 670                  "        _init( __wine_main_argc, __wine_main_argv, __wine_main_environ );\n" );
 671         if (init_func)
 672             fprintf( outfile,
 673                      "    ret = %s( __wine_main_argc, __wine_main_argv );\n", init_func );
 674         else
 675             fprintf( outfile,
 676                      "    if (WinMain) {\n"
 677                      "        STARTUPINFOA info;\n"
 678                      "        char *cmdline = GetCommandLineA();\n"
 679                      "        int bcount=0, in_quotes=0;\n"
 680                      "        while (*cmdline) {\n"
 681                      "            if ((*cmdline=='\\t' || *cmdline==' ') && !in_quotes) break;\n"
 682                      "            else if (*cmdline=='\\\\') bcount++;\n"
 683                      "            else if (*cmdline=='\\\"') {\n"
 684                      "                if ((bcount & 1)==0) in_quotes=!in_quotes;\n"
 685                      "                bcount=0;\n"
 686                      "            }\n"
 687                      "            else bcount=0;\n"
 688                      "            cmdline++;\n"
 689                      "        }\n"
 690                      "        while (*cmdline=='\\t' || *cmdline==' ') cmdline++;\n"
 691                      "        GetStartupInfoA( &info );\n"
 692                      "        if (!(info.dwFlags & 1)) info.wShowWindow = 1;\n"
 693                      "        ret = WinMain( GetModuleHandleA(0), 0, cmdline, info.wShowWindow );\n"
 694                      "    }\n"
 695                      "    else if (wmain) ret = wmain( __wine_main_argc, __wine_main_wargv );\n"
 696                      "    else ret = main( __wine_main_argc, __wine_main_argv );\n" );
 697         fprintf( outfile,
 698                  "    if (__wine_spec_init_state == 1) _fini();\n"
 699                  "    ExitProcess( ret );\n"
 700                  "}\n\n" );
 701         init_func = "__wine_exe_main";
 702         break;
 703     }
 704
 705     /* Output the NT header */
 706
 707     /* this is the IMAGE_NT_HEADERS structure, but we cannot include winnt.h here */
 708     fprintf( outfile, "static const struct image_nt_headers\n{\n" );
 709     fprintf( outfile, "  int Signature;\n" );
 710     fprintf( outfile, "  struct file_header {\n" );
 711     fprintf( outfile, "    short Machine;\n" );
 712     fprintf( outfile, "    short NumberOfSections;\n" );
 713     fprintf( outfile, "    int   TimeDateStamp;\n" );
 714     fprintf( outfile, "    void *PointerToSymbolTable;\n" );
 715     fprintf( outfile, "    int   NumberOfSymbols;\n" );
 716     fprintf( outfile, "    short SizeOfOptionalHeader;\n" );
 717     fprintf( outfile, "    short Characteristics;\n" );
 718     fprintf( outfile, "  } FileHeader;\n" );
 719     fprintf( outfile, "  struct opt_header {\n" );
 720     fprintf( outfile, "    short Magic;\n" );
 721     fprintf( outfile, "    char  MajorLinkerVersion, MinorLinkerVersion;\n" );
 722     fprintf( outfile, "    int   SizeOfCode;\n" );
 723     fprintf( outfile, "    int   SizeOfInitializedData;\n" );
 724     fprintf( outfile, "    int   SizeOfUninitializedData;\n" );
 725     fprintf( outfile, "    void *AddressOfEntryPoint;\n" );
 726     fprintf( outfile, "    void *BaseOfCode;\n" );
 727     fprintf( outfile, "    void *BaseOfData;\n" );
 728     fprintf( outfile, "    void *ImageBase;\n" );
 729     fprintf( outfile, "    int   SectionAlignment;\n" );
 730     fprintf( outfile, "    int   FileAlignment;\n" );
 731     fprintf( outfile, "    short MajorOperatingSystemVersion;\n" );
 732     fprintf( outfile, "    short MinorOperatingSystemVersion;\n" );
 733     fprintf( outfile, "    short MajorImageVersion;\n" );
 734     fprintf( outfile, "    short MinorImageVersion;\n" );
 735     fprintf( outfile, "    short MajorSubsystemVersion;\n" );
 736     fprintf( outfile, "    short MinorSubsystemVersion;\n" );
 737     fprintf( outfile, "    int   Win32VersionValue;\n" );
 738     fprintf( outfile, "    void *SizeOfImage;\n" );
 739     fprintf( outfile, "    int   SizeOfHeaders;\n" );
 740     fprintf( outfile, "    int   CheckSum;\n" );
 741     fprintf( outfile, "    short Subsystem;\n" );
 742     fprintf( outfile, "    short DllCharacteristics;\n" );
 743     fprintf( outfile, "    int   SizeOfStackReserve;\n" );
 744     fprintf( outfile, "    int   SizeOfStackCommit;\n" );
 745     fprintf( outfile, "    int   SizeOfHeapReserve;\n" );
 746     fprintf( outfile, "    int   SizeOfHeapCommit;\n" );
 747     fprintf( outfile, "    int   LoaderFlags;\n" );
 748     fprintf( outfile, "    int   NumberOfRvaAndSizes;\n" );
 749     fprintf( outfile, "    struct { const void *VirtualAddress; int Size; } DataDirectory[%d];\n",
 750              IMAGE_NUMBEROF_DIRECTORY_ENTRIES );
 751     fprintf( outfile, "  } OptionalHeader;\n" );
 752     fprintf( outfile, "} nt_header = {\n" );
 753     fprintf( outfile, "  0x%04x,\n", IMAGE_NT_SIGNATURE );   /* Signature */
 754 #ifdef __i386__
 755     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_I386 );  /* Machine */
 756 #elif defined(__powerpc__)
 757     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_POWERPC ); /* Machine */
 758 #else
 759     fprintf( outfile, "  { 0x%04x,\n", IMAGE_FILE_MACHINE_UNKNOWN );  /* Machine */
 760 #endif
 761     fprintf( outfile, "    0, 0, 0, 0,\n" );
 762     fprintf( outfile, "    sizeof(nt_header.OptionalHeader),\n" ); /* SizeOfOptionalHeader */
 763     fprintf( outfile, "    0x%04x },\n", spec->characteristics );  /* Characteristics */
 764
 765     fprintf( outfile, "  { 0x%04x,\n", IMAGE_NT_OPTIONAL_HDR_MAGIC );  /* Magic */
 766     fprintf( outfile, "    0, 0,\n" );                   /* Major/MinorLinkerVersion */
 767     fprintf( outfile, "    0, 0, 0,\n" );                /* SizeOfCode/Data */
 768     fprintf( outfile, "    %s,\n", init_func );          /* AddressOfEntryPoint */
 769     fprintf( outfile, "    0, __wine_spec_data_start,\n" );              /* BaseOfCode/Data */
 770     fprintf( outfile, "    __wine_spec_pe_header,\n" );  /* ImageBase */
 771     fprintf( outfile, "    %ld,\n", page_size );         /* SectionAlignment */
 772     fprintf( outfile, "    %ld,\n", page_size );         /* FileAlignment */
 773     fprintf( outfile, "    1, 0,\n" );                   /* Major/MinorOperatingSystemVersion */
 774     fprintf( outfile, "    0, 0,\n" );                   /* Major/MinorImageVersion */
 775     fprintf( outfile, "    %d,\n", spec->subsystem_major );             /* MajorSubsystemVersion */
 776     fprintf( outfile, "    %d,\n", spec->subsystem_minor );             /* MinorSubsystemVersion */
 777     fprintf( outfile, "    0,\n" );                      /* Win32VersionValue */
 778     fprintf( outfile, "    _end,\n" );                   /* SizeOfImage */
 779     fprintf( outfile, "    %ld,\n", page_size );         /* SizeOfHeaders */
 780     fprintf( outfile, "    0,\n" );                      /* CheckSum */
 781     fprintf( outfile, "    0x%04x,\n", spec->subsystem );/* Subsystem */
 782     fprintf( outfile, "    0,\n" );                      /* DllCharacteristics */
 783     fprintf( outfile, "    %d, %ld,\n",                  /* SizeOfStackReserve/Commit */
 784              (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 785     fprintf( outfile, "    %d, %ld,\n",                  /* SizeOfHeapReserve/Commit */
 786              (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 787     fprintf( outfile, "    0,\n" );                      /* LoaderFlags */
 788     fprintf( outfile, "    %d,\n", IMAGE_NUMBEROF_DIRECTORY_ENTRIES );  /* NumberOfRvaAndSizes */
 789     fprintf( outfile, "    {\n" );
 790     fprintf( outfile, "      { %s, %d },\n",  /* IMAGE_DIRECTORY_ENTRY_EXPORT */
 791              exports_size ? "__wine_spec_exports" : "0", exports_size );
 792     fprintf( outfile, "      { %s, %s },\n",  /* IMAGE_DIRECTORY_ENTRY_IMPORT */
 793              nr_imports ? "&imports" : "0", nr_imports ? "sizeof(imports)" : "0" );
 794     fprintf( outfile, "      { %s, %s },\n",   /* IMAGE_DIRECTORY_ENTRY_RESOURCE */
 795              spec->nb_resources ? "&resources" : "0",
 796              spec->nb_resources ? "sizeof(resources)" : "0" );
 797     fprintf( outfile, "    }\n  }\n};\n\n" );
 798
 799     /* Output the DLL constructor */
 800
 801     fprintf( outfile,
 802              "void __wine_spec_init(void)\n"
 803              "{\n"
 804              "    extern void __wine_dll_register( const struct image_nt_headers *, const char * );\n"
 805              "    __wine_spec_init_state = 1;\n"
 806              "    __wine_dll_register( &nt_header, \"%s\" );\n"
 807              "}\n\n",
 808              spec->file_name );
 809
 810     output_dll_init( outfile, "__wine_spec_init_ctor", NULL );
 811     fprintf( outfile,
 812              "void __wine_spec_init_ctor(void)\n"
 813              "{\n"
 814              "    if (__wine_spec_init_state) return;\n"
 815              "    __wine_spec_init();\n"
 816              "    __wine_spec_init_state = 2;\n"
 817              "}\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     fprintf(outfile, "; File generated automatically from %s; do not edit!\n\n",
 832             input_file_name );
 833
 834     fprintf(outfile, "LIBRARY %s\n\n", spec->file_name);
 835
 836     fprintf(outfile, "EXPORTS\n");
 837
 838     /* Output the exports and relay entry points */
 839
 840     for(i = 0; i < spec->nb_entry_points; i++)
 841     {
 842         const ORDDEF *odp = &spec->entry_points[i];
 843         int is_data = 0;
 844
 845         if (!odp) continue;
 846         if (odp->flags & FLAG_REGISTER) continue;
 847         if (odp->type == TYPE_STUB) continue;
 848
 849         if (odp->name) name = odp->name;
 850         else if (odp->export_name) name = odp->export_name;
 851         else continue;
 852
 853         fprintf(outfile, "  %s", name);
 854
 855         switch(odp->type)
 856         {
 857         case TYPE_EXTERN:
 858             is_data = 1;
 859             /* fall through */
 860         case TYPE_VARARGS:
 861         case TYPE_CDECL:
 862             /* try to reduce output */
 863             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 864                 fprintf(outfile, "=%s", odp->link_name);
 865             break;
 866         case TYPE_STDCALL:
 867         {
 868             int at_param = strlen(odp->u.func.arg_types) * sizeof(int);
 869             if (!kill_at) fprintf(outfile, "@%d", at_param);
 870             if  (odp->flags & FLAG_FORWARD)
 871             {
 872                 fprintf(outfile, "=%s", odp->link_name);
 873             }
 874             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 875             {
 876                 fprintf(outfile, "=%s", odp->link_name);
 877                 if (!kill_at) fprintf(outfile, "@%d", at_param);
 878             }
 879             break;
 880         }
 881         default:
 882             assert(0);
 883         }
 884         fprintf( outfile, " @%d", odp->ordinal );
 885         if (!odp->name) fprintf( outfile, " NONAME" );
 886         if (is_data) fprintf( outfile, " DATA" );
 887         if (odp->flags & FLAG_PRIVATE) fprintf( outfile, " PRIVATE" );
 888         fprintf( outfile, "\n" );
 889     }
 890 }
 891
 892
 893 /*******************************************************************
 894  *         BuildDebugFile
 895  *
 896  * Build the debugging channels source file.
 897  */
 898 void BuildDebugFile( FILE *outfile, const char *srcdir, char **argv )
 899 {
 900     int nr_debug;
 901     char *prefix, *p;
 902
 903     while (*argv)
 904     {
 905         if (!parse_debug_channels( srcdir, *argv++ )) exit(1);
 906     }
 907
 908     output_standard_file_header( outfile );
 909     nr_debug = output_debug( outfile );
 910     if (!nr_debug)
 911     {
 912         fprintf( outfile, "/* no debug channels found for this module */\n" );
 913         return;
 914     }
 915
 916     if (output_file_name)
 917     {
 918         if ((p = strrchr( output_file_name, '/' ))) p++;
 919         prefix = xstrdup( p ? p : output_file_name );
 920         if ((p = strchr( prefix, '.' ))) *p = 0;
 921         strcpy( p, make_c_identifier(p) );
 922     }
 923     else prefix = xstrdup( "_" );
 924
 925     /* Output the DLL constructor */
 926
 927     fprintf( outfile,
 928              "#ifdef __GNUC__\n"
 929              "void __wine_dbg_%s_init(void) __attribute__((constructor));\n"
 930              "void __wine_dbg_%s_fini(void) __attribute__((destructor));\n"
 931              "#else\n"
 932              "static void __asm__dummy_dll_init(void) {\n",
 933              prefix, prefix );
 934
 935 #if defined(__i386__)
 936     fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 937     fprintf( outfile, "    \"\\tcall " __ASM_NAME("__wine_dbg_%s_init") "\\n\"\n", prefix );
 938     fprintf( outfile, "    \"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 939     fprintf( outfile, "    \"\\tcall " __ASM_NAME("__wine_dbg_%s_fini") "\\n\"\n", prefix );
 940     fprintf( outfile, "    \"\\t.section\\t\\\".text\\\"\\n\");\n" );
 941 #elif defined(__sparc__)
 942     fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 943     fprintf( outfile, "    \"\\tcall " __ASM_NAME("__wine_dbg_%s_init") "\\n\"\n", prefix );
 944     fprintf( outfile, "    \"\\tnop\\n\"\n" );
 945     fprintf( outfile, "    \"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 946     fprintf( outfile, "    \"\\tcall " __ASM_NAME("__wine_dbg_%s_fini") "\\n\"\n", prefix );
 947     fprintf( outfile, "    \"\\tnop\\n\"\n" );
 948     fprintf( outfile, "    \"\\t.section\t\\\".text\\\"\\n\");\n" );
 949 #elif defined(__powerpc__)
 950     fprintf( outfile, "asm(\"\\t.section\\t\\\".init\\\" ,\\\"ax\\\"\\n\"\n" );
 951     fprintf( outfile, "    \"\\tbl " __ASM_NAME("__wine_dbg_%s_init") "\\n\"\n", prefix );
 952     fprintf( outfile, "    \"\\t.section\\t\\\".fini\\\" ,\\\"ax\\\"\\n\"\n" );
 953     fprintf( outfile, "    \"\\tbl " __ASM_NAME("__wine_dbg_%s_fini") "\\n\"\n", prefix );
 954     fprintf( outfile, "    \"\\t.text\\n\");\n" );
 955 #else
 956 #error You need to define the DLL constructor for your architecture
 957 #endif
 958     fprintf( outfile, "}\n#endif /* defined(__GNUC__) */\n\n" );
 959
 960     fprintf( outfile,
 961              "void __wine_dbg_%s_init(void)\n"
 962              "{\n"
 963              "    extern void *__wine_dbg_register( char * const *, int );\n"
 964              "    if (!debug_registration) debug_registration = __wine_dbg_register( debug_channels, %d );\n"
 965              "}\n\n", prefix, nr_debug );
 966     fprintf( outfile,
 967              "void __wine_dbg_%s_fini(void)\n"
 968              "{\n"
 969              "    extern void __wine_dbg_unregister( void* );\n"
 970              "    __wine_dbg_unregister( debug_registration );\n"
 971              "}\n", prefix );
 972
 973     free( prefix );
 974 }