tools/winebuild/spec16.c

   1 /*
   2  * 16-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
  31 #include "wine/winbase16.h"
  32
  33 #include "build.h"
  34
  35 /* sequences of nops to fill a certain number of words */
  36 static const char * const nop_sequence[4] =
  37 {
  38     ".byte 0x89,0xf6",  /* mov %esi,%esi */
  39     ".byte 0x8d,0x74,0x26,0x00",  /* lea 0x00(%esi),%esi */
  40     ".byte 0x8d,0xb6,0x00,0x00,0x00,0x00",  /* lea 0x00000000(%esi),%esi */
  41     ".byte 0x8d,0x74,0x26,0x00,0x8d,0x74,0x26,0x00" /* lea 0x00(%esi),%esi; lea 0x00(%esi),%esi */
  42 };
  43
  44 static inline int is_function( const ORDDEF *odp )
  45 {
  46     return (odp->type == TYPE_CDECL ||
  47             odp->type == TYPE_PASCAL ||
  48             odp->type == TYPE_VARARGS ||
  49             odp->type == TYPE_STUB);
  50 }
  51
  52 /*******************************************************************
  53  *         output_entries
  54  *
  55  * Output entries for individual symbols in the entry table.
  56  */
  57 static void output_entries( FILE *outfile, DLLSPEC *spec, int first, int count )
  58 {
  59     int i;
  60
  61     for (i = 0; i < count; i++)
  62     {
  63         ORDDEF *odp = spec->ordinals[first + i];
  64         fprintf( outfile, "\t.byte 0x03\n" );  /* flags: exported & public data */
  65         switch (odp->type)
  66         {
  67         case TYPE_CDECL:
  68         case TYPE_PASCAL:
  69         case TYPE_VARARGS:
  70         case TYPE_STUB:
  71             fprintf( outfile, "\t%s .L__wine_%s_%u-.L__wine_spec_code_segment\n",
  72                      get_asm_short_keyword(),
  73                      make_c_identifier(spec->dll_name), first + i );
  74             break;
  75         case TYPE_VARIABLE:
  76             fprintf( outfile, "\t%s .L__wine_%s_%u-.L__wine_spec_data_segment\n",
  77                      get_asm_short_keyword(),
  78                      make_c_identifier(spec->dll_name), first + i );
  79             break;
  80         case TYPE_ABS:
  81             fprintf( outfile, "\t%s 0x%04x  /* %s */\n",
  82                      get_asm_short_keyword(), odp->u.abs.value, odp->name );
  83             break;
  84         default:
  85             assert(0);
  86         }
  87     }
  88 }
  89
  90
  91 /*******************************************************************
  92  *         output_entry_table
  93  */
  94 static void output_entry_table( FILE *outfile, DLLSPEC *spec )
  95 {
  96     int i, prev = 0, prev_sel = -1, bundle_count = 0;
  97
  98     for (i = 1; i <= spec->limit; i++)
  99     {
 100         int selector = 0;
 101         ORDDEF *odp = spec->ordinals[i];
 102         if (!odp) continue;
 103
 104         switch (odp->type)
 105         {
 106         case TYPE_CDECL:
 107         case TYPE_PASCAL:
 108         case TYPE_VARARGS:
 109         case TYPE_STUB:
 110             selector = 1;  /* Code selector */
 111             break;
 112         case TYPE_VARIABLE:
 113             selector = 2;  /* Data selector */
 114             break;
 115         case TYPE_ABS:
 116             selector = 0xfe;  /* Constant selector */
 117             break;
 118         default:
 119             continue;
 120         }
 121
 122         if (prev + 1 != i || prev_sel != selector || bundle_count == 255)
 123         {
 124             /* need to start a new bundle */
 125
 126             /* flush previous bundle */
 127             if (bundle_count)
 128             {
 129                 fprintf( outfile, "\t/* %s.%d - %s.%d */\n",
 130                          spec->dll_name, prev - bundle_count + 1, spec->dll_name, prev );
 131                 fprintf( outfile, "\t.byte 0x%02x,0x%02x\n", bundle_count, prev_sel );
 132                 output_entries( outfile, spec, prev - bundle_count + 1, bundle_count );
 133             }
 134
 135             if (prev + 1 != i)
 136             {
 137                 int skip = i - (prev + 1);
 138                 while (skip > 255)
 139                 {
 140                     fprintf( outfile, "\t.byte 0xff,0x00\n" );
 141                     skip -= 255;
 142                 }
 143                 fprintf( outfile, "\t.byte 0x%02x,0x00\n", skip );
 144             }
 145
 146             bundle_count = 0;
 147             prev_sel = selector;
 148         }
 149         bundle_count++;
 150         prev = i;
 151     }
 152
 153     /* flush last bundle */
 154     if (bundle_count)
 155     {
 156         fprintf( outfile, "\t.byte 0x%02x,0x%02x\n", bundle_count, prev_sel );
 157         output_entries( outfile, spec, prev - bundle_count + 1, bundle_count );
 158     }
 159     fprintf( outfile, "\t.byte 0x00\n" );
 160 }
 161
 162
 163 /*******************************************************************
 164  *         output_resident_name
 165  */
 166 static void output_resident_name( FILE *outfile, const char *string, int ordinal )
 167 {
 168     unsigned int i, len = strlen(string);
 169
 170     fprintf( outfile, "\t.byte 0x%02x", len );
 171     for (i = 0; i < len; i++) fprintf( outfile, ",0x%02x", (unsigned char)toupper(string[i]) );
 172     fprintf( outfile, " /* %s */\n", string );
 173     fprintf( outfile, "\t%s %u\n", get_asm_short_keyword(), ordinal );
 174 }
 175
 176
 177 /*******************************************************************
 178  *         get_callfrom16_name
 179  */
 180 static const char *get_callfrom16_name( const ORDDEF *odp )
 181 {
 182     static char buffer[80];
 183
 184     sprintf( buffer, "%s_%s_%s",
 185              (odp->type == TYPE_PASCAL) ? "p" :
 186              (odp->type == TYPE_VARARGS) ? "v" : "c",
 187              (odp->flags & FLAG_REGISTER) ? "regs" :
 188              (odp->flags & FLAG_RET16) ? "word" : "long",
 189              odp->u.func.arg_types );
 190     return buffer;
 191 }
 192
 193
 194 /*******************************************************************
 195  *         get_relay_name
 196  */
 197 static const char *get_relay_name( const ORDDEF *odp )
 198 {
 199     static char buffer[80];
 200     char *p;
 201
 202     switch(odp->type)
 203     {
 204     case TYPE_PASCAL:
 205         strcpy( buffer, "p_" );
 206         break;
 207     case TYPE_VARARGS:
 208         strcpy( buffer, "v_" );
 209         break;
 210     case TYPE_CDECL:
 211     case TYPE_STUB:
 212         strcpy( buffer, "c_" );
 213         break;
 214     default:
 215         assert(0);
 216     }
 217     strcat( buffer, odp->u.func.arg_types );
 218     for (p = buffer + 2; *p; p++)
 219     {
 220         /* map string types to the corresponding plain pointer type */
 221         if (*p == 't') *p = 'p';
 222         else if (*p == 'T') *p = 'l';
 223     }
 224     if (odp->flags & FLAG_REGISTER) strcat( buffer, "_regs" );
 225     return buffer;
 226 }
 227
 228
 229 /*******************************************************************
 230  *         get_function_argsize
 231  */
 232 static int get_function_argsize( const ORDDEF *odp )
 233 {
 234     const char *args;
 235     int argsize = 0;
 236
 237     for (args = odp->u.func.arg_types; *args; args++)
 238     {
 239         switch (*args)
 240         {
 241         case 'w':  /* word */
 242         case 's':  /* s_word */
 243             argsize += 2;
 244             break;
 245         case 'l':  /* long or segmented pointer */
 246         case 'T':  /* segmented pointer to null-terminated string */
 247         case 'p':  /* linear pointer */
 248         case 't':  /* linear pointer to null-terminated string */
 249             argsize += 4;
 250             break;
 251         default:
 252             assert(0);
 253         }
 254     }
 255     return argsize;
 256 }
 257
 258
 259 /*******************************************************************
 260  *         output_call16_function
 261  *
 262  * Build a 16-bit-to-Wine callback glue function.
 263  *
 264  * The generated routines are intended to be used as argument conversion
 265  * routines to be called by the CallFrom16... core. Thus, the prototypes of
 266  * the generated routines are (see also CallFrom16):
 267  *
 268  *  extern WORD WINAPI __wine_spec_call16_C_xxx( FARPROC func, LPBYTE args );
 269  *  extern LONG WINAPI __wine_spec_call16_C_xxx( FARPROC func, LPBYTE args );
 270  *  extern void WINAPI __wine_spec_call16_C_xxx_regs( FARPROC func, LPBYTE args, CONTEXT86 *context );
 271  *
 272  * where 'C' is the calling convention ('p' for pascal or 'c' for cdecl),
 273  * and each 'x' is an argument  ('w'=word, 's'=signed word, 'l'=long,
 274  * 'p'=linear pointer, 't'=linear pointer to null-terminated string,
 275  * 'T'=segmented pointer to null-terminated string).
 276  *
 277  * The generated routines fetch the arguments from the 16-bit stack (pointed
 278  * to by 'args'); the offsets of the single argument values are computed
 279  * according to the calling convention and the argument types.  Then, the
 280  * 32-bit entry point is called with these arguments.
 281  *
 282  * For register functions, the arguments (if present) are converted just
 283  * the same as for normal functions, but in addition the CONTEXT86 pointer
 284  * filled with the current register values is passed to the 32-bit routine.
 285  */
 286 static void output_call16_function( FILE *outfile, ORDDEF *odp )
 287 {
 288     char name[256];
 289     int i, pos;
 290     const char *args = odp->u.func.arg_types;
 291     int argsize = get_function_argsize( odp );
 292     int needs_ldt = strchr( args, 'p' ) || strchr( args, 't' );
 293
 294     sprintf( name, ".L__wine_spec_call16_%s", get_relay_name(odp) );
 295
 296     fprintf( outfile, "\t.align %d\n", get_alignment(4) );
 297     fprintf( outfile, "\t%s\n", func_declaration(name) );
 298     fprintf( outfile, "%s:\n", name );
 299     fprintf( outfile, "\tpushl %%ebp\n" );
 300     fprintf( outfile, "\tmovl %%esp,%%ebp\n" );
 301     if (needs_ldt)
 302     {
 303         fprintf( outfile, "\tpushl %%esi\n" );
 304         if (UsePIC)
 305         {
 306             fprintf( outfile, "\tcall 1f\n" );
 307             fprintf( outfile, "1:\tpopl %%eax\n" );
 308             fprintf( outfile, "\tmovl wine_ldt_copy_ptr-1b(%%eax),%%esi\n" );
 309         }
 310         else
 311             fprintf( outfile, "\tmovl $%s,%%esi\n", asm_name("wine_ldt_copy") );
 312     }
 313
 314     if (args[0] || odp->type == TYPE_VARARGS)
 315         fprintf( outfile, "\tmovl 12(%%ebp),%%ecx\n" );  /* args */
 316
 317     if (odp->flags & FLAG_REGISTER)
 318     {
 319         fprintf( outfile, "\tpushl 16(%%ebp)\n" );  /* context */
 320     }
 321     else if (odp->type == TYPE_VARARGS)
 322     {
 323         fprintf( outfile, "\tleal %d(%%ecx),%%eax\n", argsize );
 324         fprintf( outfile, "\tpushl %%eax\n" );  /* va_list16 */
 325     }
 326
 327     pos = (odp->type == TYPE_PASCAL) ? 0 : argsize;
 328     for (i = strlen(args) - 1; i >= 0; i--)
 329     {
 330         switch (args[i])
 331         {
 332         case 'w':  /* word */
 333             if (odp->type != TYPE_PASCAL) pos -= 2;
 334             fprintf( outfile, "\tmovzwl %d(%%ecx),%%eax\n", pos );
 335             fprintf( outfile, "\tpushl %%eax\n" );
 336             if (odp->type == TYPE_PASCAL) pos += 2;
 337             break;
 338
 339         case 's':  /* s_word */
 340             if (odp->type != TYPE_PASCAL) pos -= 2;
 341             fprintf( outfile, "\tmovswl %d(%%ecx),%%eax\n", pos );
 342             fprintf( outfile, "\tpushl %%eax\n" );
 343             if (odp->type == TYPE_PASCAL) pos += 2;
 344             break;
 345
 346         case 'l':  /* long or segmented pointer */
 347         case 'T':  /* segmented pointer to null-terminated string */
 348             if (odp->type != TYPE_PASCAL) pos -= 4;
 349             fprintf( outfile, "\tpushl %d(%%ecx)\n", pos );
 350             if (odp->type == TYPE_PASCAL) pos += 4;
 351             break;
 352
 353         case 'p':  /* linear pointer */
 354         case 't':  /* linear pointer to null-terminated string */
 355             if (odp->type != TYPE_PASCAL) pos -= 4;
 356             fprintf( outfile, "\tmovzwl %d(%%ecx),%%edx\n", pos + 2 ); /* sel */
 357             fprintf( outfile, "\tshr $3,%%edx\n" );
 358             fprintf( outfile, "\tmovzwl %d(%%ecx),%%eax\n", pos ); /* offset */
 359             fprintf( outfile, "\taddl (%%esi,%%edx,4),%%eax\n" );
 360             fprintf( outfile, "\tpushl %%eax\n" );
 361             if (odp->type == TYPE_PASCAL) pos += 4;
 362             break;
 363
 364         default:
 365             assert(0);
 366         }
 367     }
 368
 369     fprintf( outfile, "\tcall *8(%%ebp)\n" );
 370
 371     if (needs_ldt) fprintf( outfile, "\tmovl -4(%%ebp),%%esi\n" );
 372     if (odp->flags & FLAG_RET16) fprintf( outfile, "\tmovzwl %%ax,%%eax\n" );
 373
 374     fprintf( outfile, "\tleave\n" );
 375     fprintf( outfile, "\tret\n" );
 376     output_function_size( outfile, name );
 377 }
 378
 379
 380 /*******************************************************************
 381  *         callfrom16_type_compare
 382  *
 383  * Compare two callfrom16 sequences.
 384  */
 385 static int callfrom16_type_compare( const void *e1, const void *e2 )
 386 {
 387     const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
 388     const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
 389     int retval;
 390     int type1 = odp1->type;
 391     int type2 = odp2->type;
 392
 393     if (type1 == TYPE_STUB) type1 = TYPE_CDECL;
 394     if (type2 == TYPE_STUB) type2 = TYPE_CDECL;
 395
 396     if ((retval = type1 - type2) != 0) return retval;
 397
 398     type1 = odp1->flags & (FLAG_RET16|FLAG_REGISTER);
 399     type2 = odp2->flags & (FLAG_RET16|FLAG_REGISTER);
 400
 401     if ((retval = type1 - type2) != 0) return retval;
 402
 403     return strcmp( odp1->u.func.arg_types, odp2->u.func.arg_types );
 404 }
 405
 406
 407 /*******************************************************************
 408  *         relay_type_compare
 409  *
 410  * Same as callfrom16_type_compare but ignores differences that don't affect the resulting relay function.
 411  */
 412 static int relay_type_compare( const void *e1, const void *e2 )
 413 {
 414     const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
 415     const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
 416     char name1[80];
 417
 418     strcpy( name1, get_relay_name(odp1) );
 419     return strcmp( name1, get_relay_name(odp2) );
 420 }
 421
 422
 423 /*******************************************************************
 424  *         sort_func_list
 425  *
 426  * Sort a list of functions, removing duplicates.
 427  */
 428 static int sort_func_list( ORDDEF **list, int count,
 429                            int (*compare)(const void *, const void *) )
 430 {
 431     int i, j;
 432
 433     qsort( list, count, sizeof(*list), compare );
 434
 435     for (i = j = 0; i < count; i++)
 436     {
 437         if (compare( &list[j], &list[i] )) list[++j] = list[i];
 438     }
 439     return j + 1;
 440 }
 441
 442
 443 /*******************************************************************
 444  *         output_init_code
 445  *
 446  * Output the dll initialization code.
 447  */
 448 static void output_init_code( FILE *outfile, const DLLSPEC *spec, const char *header_name )
 449 {
 450     char name[80];
 451
 452     sprintf( name, ".L__wine_spec_%s_init", make_c_identifier(spec->dll_name) );
 453
 454     fprintf( outfile, "\n/* dll initialization code */\n\n" );
 455     fprintf( outfile, "\t.text\n" );
 456     fprintf( outfile, "\t.align 4\n" );
 457     fprintf( outfile, "\t%s\n", func_declaration(name) );
 458     fprintf( outfile, "%s:\n", name );
 459     if (UsePIC)
 460     {
 461         fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
 462         fprintf( outfile, "1:\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
 463         fprintf( outfile, "\tpushl %%ecx\n" );
 464         fprintf( outfile, "\tleal %s-1b(%%eax),%%ecx\n", header_name );
 465         fprintf( outfile, "\tpushl %%ecx\n" );
 466     }
 467     else
 468     {
 469         fprintf( outfile, "\tpushl $.L__wine_spec_file_name\n" );
 470         fprintf( outfile, "\tpushl $%s\n", header_name );
 471     }
 472     fprintf( outfile, "\tcall %s\n", asm_name("__wine_dll_register_16") );
 473     fprintf( outfile, "\taddl $8,%%esp\n" );
 474     fprintf( outfile, "\tret\n" );
 475     output_function_size( outfile, name );
 476
 477     sprintf( name, ".L__wine_spec_%s_fini", make_c_identifier(spec->dll_name) );
 478
 479     fprintf( outfile, "\t.align 4\n" );
 480     fprintf( outfile, "\t%s\n", func_declaration(name) );
 481     fprintf( outfile, "%s:\n", name );
 482     if (UsePIC)
 483     {
 484         fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
 485         fprintf( outfile, "1:\tleal %s-1b(%%eax),%%ecx\n", header_name );
 486         fprintf( outfile, "\tpushl %%ecx\n" );
 487     }
 488     else
 489     {
 490         fprintf( outfile, "\tpushl $%s\n", header_name );
 491     }
 492     fprintf( outfile, "\tcall %s\n", asm_name("__wine_dll_unregister_16") );
 493     fprintf( outfile, "\taddl $4,%%esp\n" );
 494     fprintf( outfile, "\tret\n" );
 495     output_function_size( outfile, name );
 496
 497     if (target_platform == PLATFORM_APPLE)
 498     {
 499         fprintf( outfile, "\t.mod_init_func\n" );
 500         fprintf( outfile, "\t.align %d\n", get_alignment(4) );
 501         fprintf( outfile, "\t.long .L__wine_spec_%s_init\n", make_c_identifier(spec->dll_name) );
 502         fprintf( outfile, "\t.mod_term_func\n" );
 503         fprintf( outfile, "\t.align %d\n", get_alignment(4) );
 504         fprintf( outfile, "\t.long .L__wine_spec_%s_fini\n", make_c_identifier(spec->dll_name) );
 505     }
 506     else
 507     {
 508         fprintf( outfile, "\t.section \".init\",\"ax\"\n" );
 509         fprintf( outfile, "\tcall .L__wine_spec_%s_init\n", make_c_identifier(spec->dll_name) );
 510         fprintf( outfile, "\t.section \".fini\",\"ax\"\n" );
 511         fprintf( outfile, "\tcall .L__wine_spec_%s_fini\n", make_c_identifier(spec->dll_name) );
 512     }
 513 }
 514
 515
 516 /*******************************************************************
 517  *         BuildSpec16File
 518  *
 519  * Build a Win16 assembly file from a spec file.
 520  */
 521 void BuildSpec16File( FILE *outfile, DLLSPEC *spec )
 522 {
 523     ORDDEF **typelist;
 524     int i, j, nb_funcs;
 525     char header_name[256];
 526
 527     /* File header */
 528
 529     output_standard_file_header( outfile );
 530
 531     if (!spec->dll_name)  /* set default name from file name */
 532     {
 533         char *p;
 534         spec->dll_name = xstrdup( spec->file_name );
 535         if ((p = strrchr( spec->dll_name, '.' ))) *p = 0;
 536     }
 537
 538     /* Build sorted list of all argument types, without duplicates */
 539
 540     typelist = xmalloc( (spec->limit + 1) * sizeof(*typelist) );
 541
 542     for (i = nb_funcs = 0; i <= spec->limit; i++)
 543     {
 544         ORDDEF *odp = spec->ordinals[i];
 545         if (!odp) continue;
 546         if (is_function( odp )) typelist[nb_funcs++] = odp;
 547     }
 548
 549     nb_funcs = sort_func_list( typelist, nb_funcs, callfrom16_type_compare );
 550
 551     /* Output the module structure */
 552
 553     sprintf( header_name, "__wine_spec_%s_dos_header", make_c_identifier(spec->dll_name) );
 554     fprintf( outfile, "\n/* module data */\n\n" );
 555     fprintf( outfile, "\t.data\n" );
 556     fprintf( outfile, "\t.align %d\n", get_alignment(4) );
 557     fprintf( outfile, "%s:\n", header_name );
 558     fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(),                      /* e_magic */
 559              IMAGE_DOS_SIGNATURE );
 560     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_cblp */
 561     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_cp */
 562     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_crlc */
 563     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_cparhdr */
 564     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_minalloc */
 565     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_maxalloc */
 566     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_ss */
 567     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_sp */
 568     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_csum */
 569     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_ip */
 570     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_cs */
 571     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_lfarlc */
 572     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_ovno */
 573     fprintf( outfile, "\t%s 0,0,0,0\n", get_asm_short_keyword() );                   /* e_res */
 574     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_oemid */
 575     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* e_oeminfo */
 576     fprintf( outfile, "\t%s 0,0,0,0,0,0,0,0,0,0\n", get_asm_short_keyword() );       /* e_res2 */
 577     fprintf( outfile, "\t.long .L__wine_spec_ne_header-%s\n", header_name );         /* e_lfanew */
 578
 579     fprintf( outfile, ".L__wine_spec_ne_header:\n" );
 580     fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(),                      /* ne_magic */
 581              IMAGE_OS2_SIGNATURE );
 582     fprintf( outfile, "\t.byte 0\n" );                                               /* ne_ver */
 583     fprintf( outfile, "\t.byte 0\n" );                                               /* ne_rev */
 584     fprintf( outfile, "\t%s .L__wine_spec_ne_enttab-.L__wine_spec_ne_header\n",      /* ne_enttab */
 585              get_asm_short_keyword() );
 586     fprintf( outfile, "\t%s .L__wine_spec_ne_enttab_end-.L__wine_spec_ne_enttab\n",  /* ne_cbenttab */
 587              get_asm_short_keyword() );
 588     fprintf( outfile, "\t.long 0\n" );                                               /* ne_crc */
 589     fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(),                      /* ne_flags */
 590              NE_FFLAGS_SINGLEDATA | NE_FFLAGS_LIBMODULE );
 591     fprintf( outfile, "\t%s 2\n", get_asm_short_keyword() );                         /* ne_autodata */
 592     fprintf( outfile, "\t%s %u\n", get_asm_short_keyword(), spec->heap_size );       /* ne_heap */
 593     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* ne_stack */
 594     fprintf( outfile, "\t.long 0\n" );                                               /* ne_csip */
 595     fprintf( outfile, "\t.long 0\n" );                                               /* ne_sssp */
 596     fprintf( outfile, "\t%s 2\n", get_asm_short_keyword() );                         /* ne_cseg */
 597     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* ne_cmod */
 598     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );                         /* ne_cbnrestab */
 599     fprintf( outfile, "\t%s .L__wine_spec_ne_segtab-.L__wine_spec_ne_header\n",      /* ne_segtab */
 600              get_asm_short_keyword() );
 601     fprintf( outfile, "\t%s .L__wine_spec_ne_rsrctab-.L__wine_spec_ne_header\n",     /* ne_rsrctab */
 602              get_asm_short_keyword() );
 603     fprintf( outfile, "\t%s .L__wine_spec_ne_restab-.L__wine_spec_ne_header\n",      /* ne_restab */
 604              get_asm_short_keyword() );
 605     fprintf( outfile, "\t%s .L__wine_spec_ne_modtab-.L__wine_spec_ne_header\n",      /* ne_modtab */
 606              get_asm_short_keyword() );
 607     fprintf( outfile, "\t%s .L__wine_spec_ne_imptab-.L__wine_spec_ne_header\n",      /* ne_imptab */
 608              get_asm_short_keyword() );
 609     fprintf( outfile, "\t.long 0\n" );                                   /* ne_nrestab */
 610     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_cmovent */
 611     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_align */
 612     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_cres */
 613     fprintf( outfile, "\t.byte 0x%02x\n", NE_OSFLAGS_WINDOWS );          /* ne_exetyp */
 614     fprintf( outfile, "\t.byte 0x%02x\n", NE_AFLAGS_FASTLOAD );          /* ne_flagsothers */
 615     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_pretthunks */
 616     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_psegrefbytes */
 617     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_swaparea */
 618     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );             /* ne_expver */
 619
 620     /* segment table */
 621
 622     fprintf( outfile, "\n.L__wine_spec_ne_segtab:\n" );
 623
 624     /* code segment entry */
 625
 626     fprintf( outfile, "\t%s .L__wine_spec_code_segment-%s\n",  /* filepos */
 627              get_asm_short_keyword(), header_name );
 628     fprintf( outfile, "\t%s .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n", /* size */
 629              get_asm_short_keyword() );
 630     fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), NE_SEGFLAGS_32BIT );      /* flags */
 631     fprintf( outfile, "\t%s .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n", /* minsize */
 632              get_asm_short_keyword() );
 633
 634     /* data segment entry */
 635
 636     fprintf( outfile, "\t%s .L__wine_spec_data_segment-%s\n",  /* filepos */
 637              get_asm_short_keyword(), header_name );
 638     fprintf( outfile, "\t%s .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n", /* size */
 639              get_asm_short_keyword() );
 640     fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), NE_SEGFLAGS_DATA );      /* flags */
 641     fprintf( outfile, "\t%s .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n", /* minsize */
 642              get_asm_short_keyword() );
 643
 644     /* resource directory */
 645
 646     output_res16_directory( outfile, spec, header_name );
 647
 648     /* resident names table */
 649
 650     fprintf( outfile, "\n\t.align %d\n", get_alignment(2) );
 651     fprintf( outfile, ".L__wine_spec_ne_restab:\n" );
 652     output_resident_name( outfile, spec->dll_name, 0 );
 653     for (i = 1; i <= spec->limit; i++)
 654     {
 655         ORDDEF *odp = spec->ordinals[i];
 656         if (!odp || !odp->name[0]) continue;
 657         output_resident_name( outfile, odp->name, i );
 658     }
 659     fprintf( outfile, "\t.byte 0\n" );
 660
 661     /* imported names table */
 662
 663     fprintf( outfile, "\n\t.align %d\n", get_alignment(2) );
 664     fprintf( outfile, ".L__wine_spec_ne_modtab:\n" );
 665     fprintf( outfile, ".L__wine_spec_ne_imptab:\n" );
 666     fprintf( outfile, "\t.byte 0,0\n" );
 667
 668     /* entry table */
 669
 670     fprintf( outfile, "\n.L__wine_spec_ne_enttab:\n" );
 671     output_entry_table( outfile, spec );
 672     fprintf( outfile, ".L__wine_spec_ne_enttab_end:\n" );
 673
 674     /* code segment */
 675
 676     fprintf( outfile, "\n\t.align %d\n", get_alignment(2) );
 677     fprintf( outfile, ".L__wine_spec_code_segment:\n" );
 678
 679     for ( i = 0; i < nb_funcs; i++ )
 680     {
 681         unsigned int arg_types[2];
 682         int j, nop_words, argsize = 0;
 683
 684         if ( typelist[i]->type == TYPE_PASCAL )
 685             argsize = get_function_argsize( typelist[i] );
 686
 687         /* build the arg types bit fields */
 688         arg_types[0] = arg_types[1] = 0;
 689         for (j = 0; typelist[i]->u.func.arg_types[j]; j++)
 690         {
 691             int type = 0;
 692             switch(typelist[i]->u.func.arg_types[j])
 693             {
 694             case 'w': type = ARG_WORD; break;
 695             case 's': type = ARG_SWORD; break;
 696             case 'l': type = ARG_LONG; break;
 697             case 'p': type = ARG_PTR; break;
 698             case 't': type = ARG_STR; break;
 699             case 'T': type = ARG_SEGSTR; break;
 700             }
 701             arg_types[j / 10] |= type << (3 * (j % 10));
 702         }
 703         if (typelist[i]->type == TYPE_VARARGS) arg_types[j / 10] |= ARG_VARARG << (3 * (j % 10));
 704
 705         fprintf( outfile, ".L__wine_spec_callfrom16_%s:\n", get_callfrom16_name(typelist[i]) );
 706         fprintf( outfile, "\tpushl $.L__wine_spec_call16_%s\n", get_relay_name(typelist[i]) );
 707         fprintf( outfile, "\tlcall $0,$0\n" );
 708
 709         if (typelist[i]->flags & FLAG_REGISTER)
 710         {
 711             nop_words = 4;
 712         }
 713         else if (typelist[i]->flags & FLAG_RET16)
 714         {
 715             fprintf( outfile, "\torw %%ax,%%ax\n" );
 716             fprintf( outfile, "\tnop\n" );  /* so that the lretw is aligned */
 717             nop_words = 2;
 718         }
 719         else
 720         {
 721             fprintf( outfile, "shld $16,%%eax,%%edx\n" );
 722             fprintf( outfile, "orl %%eax,%%eax\n" );
 723             nop_words = 1;
 724         }
 725
 726         if (argsize)
 727         {
 728             fprintf( outfile, "lretw $%u\n", argsize );
 729             nop_words--;
 730         }
 731         else fprintf( outfile, "lretw\n" );
 732
 733         if (nop_words) fprintf( outfile, "\t%s\n", nop_sequence[nop_words-1] );
 734
 735         /* the movl is here so that the code contains only valid instructions, */
 736         /* it's never actually executed, we only care about the arg_types[] values */
 737         fprintf( outfile, "\t%s 0x86c7\n", get_asm_short_keyword() );
 738         fprintf( outfile, "\t.long 0x%08x,0x%08x\n", arg_types[0], arg_types[1] );
 739     }
 740
 741     for (i = 0; i <= spec->limit; i++)
 742     {
 743         ORDDEF *odp = spec->ordinals[i];
 744         if (!odp || !is_function( odp )) continue;
 745         fprintf( outfile, ".L__wine_%s_%u:\n", make_c_identifier(spec->dll_name), i );
 746         fprintf( outfile, "\tpushw %%bp\n" );
 747         fprintf( outfile, "\tpushl $%s\n",
 748                  asm_name( odp->type == TYPE_STUB ? get_stub_name( odp, spec ) : odp->link_name ));
 749         fprintf( outfile, "\tcallw .L__wine_spec_callfrom16_%s\n", get_callfrom16_name( odp ) );
 750     }
 751     fprintf( outfile, ".L__wine_spec_code_segment_end:\n" );
 752
 753     /* data segment */
 754
 755     fprintf( outfile, "\n.L__wine_spec_data_segment:\n" );
 756     fprintf( outfile, "\t.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\n" );  /* instance data */
 757     for (i = 0; i <= spec->limit; i++)
 758     {
 759         ORDDEF *odp = spec->ordinals[i];
 760         if (!odp || odp->type != TYPE_VARIABLE) continue;
 761         fprintf( outfile, ".L__wine_%s_%u:\n", make_c_identifier(spec->dll_name), i );
 762         fprintf( outfile, "\t.long " );
 763         for (j = 0; j < odp->u.var.n_values-1; j++)
 764             fprintf( outfile, "0x%08x,", odp->u.var.values[j] );
 765         fprintf( outfile, "0x%08x\n", odp->u.var.values[j] );
 766     }
 767     fprintf( outfile, ".L__wine_spec_data_segment_end:\n" );
 768
 769     /* resource data */
 770
 771     if (spec->nb_resources)
 772     {
 773         fprintf( outfile, "\n.L__wine_spec_resource_data:\n" );
 774         output_res16_data( outfile, spec );
 775     }
 776
 777     fprintf( outfile, "\t.byte 0\n" );  /* make sure the last symbol points to something */
 778
 779     /* relay functions */
 780
 781     nb_funcs = sort_func_list( typelist, nb_funcs, relay_type_compare );
 782     if (nb_funcs)
 783     {
 784         fprintf( outfile, "\n/* relay functions */\n\n" );
 785         fprintf( outfile, "\t.text\n" );
 786         for ( i = 0; i < nb_funcs; i++ ) output_call16_function( outfile, typelist[i] );
 787         fprintf( outfile, "\t.data\n" );
 788         fprintf( outfile, "wine_ldt_copy_ptr:\n" );
 789         fprintf( outfile, "\t.long %s\n", asm_name("wine_ldt_copy") );
 790     }
 791
 792     fprintf( outfile, "\n\t%s\n", get_asm_string_section() );
 793     fprintf( outfile, ".L__wine_spec_file_name:\n" );
 794     fprintf( outfile, "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 795
 796     output_stubs( outfile, spec );
 797     output_get_pc_thunk( outfile );
 798     output_init_code( outfile, spec, header_name );
 799
 800     free( typelist );
 801 }