tools/build.c

   1 /*
   2  * Copyright 1993 Robert J. Amstadt
   3  * Copyright 1995 Alexandre Julliard
   4  * Copyright 1995 Martin von Loewis
   5  */
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <ctype.h>
  11 #include "wine.h"
  12 #include "module.h"
  13 #include "neexe.h"
  14
  15 /* ELF symbols do not have an underscore in front */
  16 #ifdef __ELF__
  17 #define PREFIX
  18 #else
  19 #define PREFIX "_"
  20 #endif
  21
  22 #define TYPE_INVALID     0
  23 #define TYPE_BYTE        1
  24 #define TYPE_WORD        2
  25 #define TYPE_LONG        3
  26 #define TYPE_PASCAL_16   4
  27 #define TYPE_PASCAL      5
  28 #define TYPE_REGISTER    6
  29 #define TYPE_ABS         7
  30 #define TYPE_RETURN      8
  31 #define TYPE_STUB        9
  32 #define TYPE_STDCALL    10
  33
  34 #define MAX_ORDINALS    1299
  35
  36   /* Callback function used for stub functions */
  37 #define STUB_CALLBACK  "RELAY_Unimplemented"
  38
  39 typedef struct ordinal_definition_s
  40 {
  41     int type;
  42     int offset;
  43     char export_name[80];
  44     void *additional_data;
  45 } ORDDEF;
  46
  47 typedef struct ordinal_variable_definition_s
  48 {
  49     int n_values;
  50     int *values;
  51 } ORDVARDEF;
  52
  53 typedef struct ordinal_function_definition_s
  54 {
  55     int  n_args;
  56     char arg_types[32];
  57     char internal_name[80];
  58 } ORDFUNCDEF;
  59
  60 typedef struct ordinal_return_definition_s
  61 {
  62     int arg_size;
  63     int ret_value;
  64 } ORDRETDEF;
  65
  66 static ORDDEF OrdinalDefinitions[MAX_ORDINALS];
  67
  68 char LowerDLLName[80];
  69 char UpperDLLName[80];
  70 int Limit = 0;
  71 int DLLId;
  72 int Base = 0;
  73 FILE *SpecFp;
  74
  75 char *ParseBuffer = NULL;
  76 char *ParseNext;
  77 char ParseSaveChar;
  78 int Line;
  79
  80 static int debugging = 1;
  81
  82   /* Offset of register relative to the end of the context struct */
  83 #define CONTEXTOFFSET(reg) \
  84    ((int)&(((struct sigcontext_struct *)1)->reg) - 1 \
  85     - sizeof(struct sigcontext_struct))
  86
  87 static int IsNumberString(char *s)
  88 {
  89     while (*s != '\0')
  90         if (!isdigit(*s++))
  91             return 0;
  92
  93     return 1;
  94 }
  95
  96 static char *strlower(char *s)
  97 {
  98     char *p;
  99
 100     for(p = s; *p != '\0'; p++)
 101         *p = tolower(*p);
 102
 103     return s;
 104 }
 105
 106 static char *strupper(char *s)
 107 {
 108     char *p;
 109
 110     for(p = s; *p != '\0'; p++)
 111         *p = toupper(*p);
 112
 113     return s;
 114 }
 115
 116 static char * GetTokenInLine(void)
 117 {
 118     char *p;
 119     char *token;
 120
 121     if (ParseNext != ParseBuffer)
 122     {
 123         if (ParseSaveChar == '\0')
 124             return NULL;
 125         *ParseNext = ParseSaveChar;
 126     }
 127
 128     /*
 129      * Remove initial white space.
 130      */
 131     for (p = ParseNext; isspace(*p); p++)
 132         ;
 133
 134     if ((*p == '\0') || (*p == '#'))
 135         return NULL;
 136
 137     /*
 138      * Find end of token.
 139      */
 140     token = p++;
 141     if (*token != '(' && *token != ')')
 142         while (*p != '\0' && *p != '(' && *p != ')' && !isspace(*p))
 143             p++;
 144
 145     ParseSaveChar = *p;
 146     ParseNext = p;
 147     *p = '\0';
 148
 149     return token;
 150 }
 151
 152 static char * GetToken(void)
 153 {
 154     char *token;
 155
 156     if (ParseBuffer == NULL)
 157     {
 158         ParseBuffer = malloc(512);
 159         ParseNext = ParseBuffer;
 160         Line++;
 161         while (1)
 162         {
 163             if (fgets(ParseBuffer, 511, SpecFp) == NULL)
 164                 return NULL;
 165             if (ParseBuffer[0] != '#')
 166                 break;
 167         }
 168     }
 169
 170     while ((token = GetTokenInLine()) == NULL)
 171     {
 172         ParseNext = ParseBuffer;
 173         Line++;
 174         while (1)
 175         {
 176             if (fgets(ParseBuffer, 511, SpecFp) == NULL)
 177                 return NULL;
 178             if (ParseBuffer[0] != '#')
 179                 break;
 180         }
 181     }
 182
 183     return token;
 184 }
 185
 186 static int ParseVariable(int ordinal, int type)
 187 {
 188     ORDDEF *odp;
 189     ORDVARDEF *vdp;
 190     char export_name[80];
 191     char *token;
 192     char *endptr;
 193     int *value_array;
 194     int n_values;
 195     int value_array_size;
 196
 197     strcpy(export_name, GetToken());
 198
 199     token = GetToken();
 200     if (*token != '(')
 201     {
 202         fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
 203         exit(1);
 204     }
 205
 206     n_values = 0;
 207     value_array_size = 25;
 208     value_array = malloc(sizeof(*value_array) * value_array_size);
 209
 210     while ((token = GetToken()) != NULL)
 211     {
 212         if (*token == ')')
 213             break;
 214
 215         value_array[n_values++] = strtol(token, &endptr, 0);
 216         if (n_values == value_array_size)
 217         {
 218             value_array_size += 25;
 219             value_array = realloc(value_array,
 220                                   sizeof(*value_array) * value_array_size);
 221         }
 222
 223         if (endptr == NULL || *endptr != '\0')
 224         {
 225             fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 226                     token);
 227             exit(1);
 228         }
 229     }
 230
 231     if (token == NULL)
 232     {
 233         fprintf(stderr, "%d: End of file in variable declaration\n", Line);
 234         exit(1);
 235     }
 236
 237     if (ordinal >= MAX_ORDINALS)
 238     {
 239         fprintf(stderr, "%d: Ordinal number too large\n", Line);
 240         exit(1);
 241     }
 242
 243     odp = &OrdinalDefinitions[ordinal];
 244     odp->type = type;
 245     strcpy(odp->export_name, export_name);
 246
 247     vdp = malloc(sizeof(*vdp));
 248     odp->additional_data = vdp;
 249
 250     vdp->n_values = n_values;
 251     vdp->values = realloc(value_array, sizeof(*value_array) * n_values);
 252
 253     return 0;
 254 }
 255
 256 static int ParseExportFunction(int ordinal, int type)
 257 {
 258     char *token;
 259     ORDDEF *odp;
 260     ORDFUNCDEF *fdp;
 261     int i;
 262
 263     odp = &OrdinalDefinitions[ordinal];
 264     strcpy(odp->export_name, GetToken());
 265     odp->type = type;
 266     fdp = malloc(sizeof(*fdp));
 267     odp->additional_data = fdp;
 268
 269     token = GetToken();
 270     if (*token != '(')
 271     {
 272         fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
 273         exit(1);
 274     }
 275
 276     for (i = 0; i < 16; i++)
 277     {
 278         token = GetToken();
 279         if (*token == ')')
 280             break;
 281
 282         if (!strcmp(token, "byte") || !strcmp(token, "word"))
 283             fdp->arg_types[i] = 'w';
 284         else if (!strcmp(token, "s_byte") || !strcmp(token, "s_word"))
 285             fdp->arg_types[i] = 's';
 286         else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
 287             fdp->arg_types[i] = 'l';
 288         else if (!strcmp(token, "ptr"))
 289             fdp->arg_types[i] = 'p';
 290         else
 291         {
 292             fprintf(stderr, "%d: Unknown variable type '%s'\n", Line, token);
 293             exit(1);
 294         }
 295     }
 296     fdp->arg_types[i] = '\0';
 297
 298     strcpy(fdp->internal_name, GetToken());
 299     return 0;
 300 }
 301
 302 static int ParseEquate(int ordinal)
 303 {
 304     ORDDEF *odp;
 305     char *token;
 306     char *endptr;
 307     int value;
 308
 309     odp = &OrdinalDefinitions[ordinal];
 310     strcpy(odp->export_name, GetToken());
 311
 312     token = GetToken();
 313     value = strtol(token, &endptr, 0);
 314     if (endptr == NULL || *endptr != '\0')
 315     {
 316         fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 317                 token);
 318         exit(1);
 319     }
 320
 321     odp->type = TYPE_ABS;
 322     odp->additional_data = (void *) value;
 323
 324     return 0;
 325 }
 326
 327 static int ParseReturn(int ordinal)
 328 {
 329     ORDDEF *odp;
 330     ORDRETDEF *rdp;
 331     char *token;
 332     char *endptr;
 333
 334     rdp = malloc(sizeof(*rdp));
 335
 336     odp = &OrdinalDefinitions[ordinal];
 337     strcpy(odp->export_name, GetToken());
 338     odp->type = TYPE_RETURN;
 339     odp->additional_data = rdp;
 340
 341     token = GetToken();
 342     rdp->arg_size = strtol(token, &endptr, 0);
 343     if (endptr == NULL || *endptr != '\0')
 344     {
 345         fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 346                 token);
 347         exit(1);
 348     }
 349
 350     token = GetToken();
 351     rdp->ret_value = strtol(token, &endptr, 0);
 352     if (endptr == NULL || *endptr != '\0')
 353     {
 354         fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 355                 token);
 356         exit(1);
 357     }
 358
 359     return 0;
 360 }
 361
 362
 363 static int ParseStub( int ordinal )
 364 {
 365     ORDDEF *odp;
 366     ORDFUNCDEF *fdp;
 367
 368     odp = &OrdinalDefinitions[ordinal];
 369     strcpy( odp->export_name, GetToken() );
 370     odp->type = TYPE_STUB;
 371     fdp = malloc(sizeof(*fdp));
 372     odp->additional_data = fdp;
 373     fdp->arg_types[0] = '\0';
 374     strcpy( fdp->internal_name, STUB_CALLBACK );
 375     return 0;
 376 }
 377
 378
 379 static int ParseOrdinal(int ordinal)
 380 {
 381     char *token;
 382
 383     if (ordinal >= MAX_ORDINALS)
 384     {
 385         fprintf(stderr, "%d: Ordinal number too large\n", Line);
 386         exit(1);
 387     }
 388     if (ordinal > Limit) Limit = ordinal;
 389
 390     token = GetToken();
 391     if (token == NULL)
 392     {
 393         fprintf(stderr, "%d: Expected type after ordinal\n", Line);
 394         exit(1);
 395     }
 396
 397     if (strcmp(token, "byte") == 0)
 398         return ParseVariable(ordinal, TYPE_BYTE);
 399     else if (strcmp(token, "word") == 0)
 400         return ParseVariable(ordinal, TYPE_WORD);
 401     else if (strcmp(token, "long") == 0)
 402         return ParseVariable(ordinal, TYPE_LONG);
 403     else if (strcmp(token, "p") == 0)
 404         return ParseExportFunction(ordinal, TYPE_PASCAL);
 405     else if (strcmp(token, "pascal") == 0)
 406         return ParseExportFunction(ordinal, TYPE_PASCAL);
 407     else if (strcmp(token, "pascal16") == 0)
 408         return ParseExportFunction(ordinal, TYPE_PASCAL_16);
 409     else if (strcmp(token, "register") == 0)
 410         return ParseExportFunction(ordinal, TYPE_REGISTER);
 411     else if (strcmp(token, "stdcall") == 0)
 412         return ParseExportFunction(ordinal, TYPE_STDCALL);
 413     else if (strcmp(token, "equate") == 0)
 414         return ParseEquate(ordinal);
 415     else if (strcmp(token, "return") == 0)
 416         return ParseReturn(ordinal);
 417     else if (strcmp(token, "stub") == 0)
 418         return ParseStub(ordinal);
 419     else
 420     {
 421         fprintf(stderr,
 422                 "%d: Expected type after ordinal, found '%s' instead\n",
 423                 Line, token);
 424         exit(1);
 425     }
 426 }
 427
 428 static int ParseTopLevel(void)
 429 {
 430     char *token;
 431
 432     while ((token = GetToken()) != NULL)
 433     {
 434         if (strcmp(token, "name") == 0)
 435         {
 436             strcpy(LowerDLLName, GetToken());
 437             strlower(LowerDLLName);
 438
 439             strcpy(UpperDLLName, LowerDLLName);
 440             strupper(UpperDLLName);
 441         }
 442         else if (strcmp(token, "id") == 0)
 443         {
 444             token = GetToken();
 445             if (!IsNumberString(token))
 446             {
 447                 fprintf(stderr, "%d: Expected number after id\n", Line);
 448                 exit(1);
 449             }
 450
 451             DLLId = atoi(token);
 452         }
 453         else if (strcmp(token, "base") == 0)
 454         {
 455                 token = GetToken();
 456                 if (!IsNumberString(token))
 457                 {
 458                 fprintf(stderr, "%d: Expected number after base\n", Line);
 459                 exit(1);
 460                 }
 461
 462                 Base = atoi(token);
 463         }
 464         else if (IsNumberString(token))
 465         {
 466             int ordinal;
 467             int rv;
 468
 469             ordinal = atoi(token);
 470             if ((rv = ParseOrdinal(ordinal)) < 0)
 471                 return rv;
 472         }
 473         else
 474         {
 475             fprintf(stderr,
 476                     "%d: Expected name, id, length or ordinal\n", Line);
 477             exit(1);
 478         }
 479     }
 480
 481     return 0;
 482 }
 483
 484
 485 static int OutputVariableCode( char *storage, ORDDEF *odp )
 486 {
 487     ORDVARDEF *vdp;
 488     int i;
 489
 490     vdp = odp->additional_data;
 491     printf( "\t.data\n" );
 492     for (i = 0; i < vdp->n_values; i++)
 493     {
 494         if ((i & 7) == 0)
 495             printf( "\t%s\t", storage);
 496
 497         printf( "%d", vdp->values[i]);
 498
 499         if ((i & 7) == 7 || i == vdp->n_values - 1) printf( "\n");
 500         else printf( ", ");
 501     }
 502     printf( "\n");
 503     printf( "\t.text\n" );
 504     return vdp->n_values;
 505 }
 506
 507
 508 /*******************************************************************
 509  *         BuildModule
 510  *
 511  * Build the in-memory representation of the module, and dump it
 512  * as a byte stream into the assembly code.
 513  */
 514 static void BuildModule( int max_code_offset, int max_data_offset )
 515 {
 516     ORDDEF *odp;
 517     int i, size;
 518     char *buffer;
 519     NE_MODULE *pModule;
 520     SEGTABLEENTRY *pSegment;
 521     LOADEDFILEINFO *pFileInfo;
 522     BYTE *pstr, *bundle;
 523     WORD *pword;
 524
 525     /*   Module layout:
 526      * NE_MODULE       Module
 527      * LOADEDFILEINFO  File information
 528      * SEGTABLEENTRY   Segment 1 (code)
 529      * SEGTABLEENTRY   Segment 2 (data)
 530      * WORD[2]         Resource table (empty)
 531      * BYTE[2]         Imported names (empty)
 532      * BYTE[n]         Resident names table
 533      * BYTE[n]         Entry table
 534      */
 535
 536     buffer = malloc( 0x10000 );
 537
 538     pModule = (NE_MODULE *)buffer;
 539     pModule->magic = NE_SIGNATURE;
 540     pModule->count = 1;
 541     pModule->next = 0;
 542     pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_LIBMODULE;
 543     pModule->dgroup = 2;
 544     pModule->heap_size = 0xffff;
 545     pModule->stack_size = 0;
 546     pModule->ip = 0;
 547     pModule->cs = 0;
 548     pModule->sp = 0;
 549     pModule->ss = 0;
 550     pModule->seg_count = 2;
 551     pModule->modref_count = 0;
 552     pModule->nrname_size = 0;
 553     pModule->modref_table = 0;
 554     pModule->nrname_fpos = 0;
 555     pModule->moveable_entries = 0;
 556     pModule->alignment = 0;
 557     pModule->truetype = 0;
 558     pModule->os_flags = NE_OSFLAGS_WINDOWS;
 559     pModule->misc_flags = 0;
 560     pModule->dlls_to_init  = 0;
 561     pModule->nrname_handle = 0;
 562     pModule->min_swap_area = 0;
 563     pModule->expected_version = 0x030a;
 564
 565       /* File information */
 566
 567     pFileInfo = (LOADEDFILEINFO *)(pModule + 1);
 568     pModule->fileinfo = (int)pFileInfo - (int)pModule;
 569     pFileInfo->length = sizeof(LOADEDFILEINFO) + strlen(UpperDLLName) + 3;
 570     pFileInfo->fixed_media = 0;
 571     pFileInfo->error = 0;
 572     pFileInfo->date = 0;
 573     pFileInfo->time = 0;
 574     sprintf( pFileInfo->filename, "%s.DLL", UpperDLLName );
 575     pstr = (char *)pFileInfo + pFileInfo->length + 1;
 576
 577       /* Segment table */
 578
 579     pSegment = (SEGTABLEENTRY *)pstr;
 580     pModule->seg_table = (int)pSegment - (int)pModule;
 581     pSegment->filepos = 0;
 582     pSegment->size = max_code_offset;
 583     pSegment->flags = 0;
 584     pSegment->minsize = max_code_offset;
 585     pSegment->selector = 0;
 586     pSegment++;
 587
 588     pModule->dgroup_entry = (int)pSegment - (int)pModule;
 589     pSegment->filepos = 0;
 590     pSegment->size = max_data_offset;
 591     pSegment->flags = NE_SEGFLAGS_DATA;
 592     pSegment->minsize = max_data_offset;
 593     pSegment->selector = 0;
 594     pSegment++;
 595
 596       /* Resource table */
 597
 598     pword = (WORD *)pSegment;
 599     pModule->res_table = (int)pword - (int)pModule;
 600     *pword++ = 0;
 601     *pword++ = 0;
 602
 603       /* Imported names table */
 604
 605     pstr = (char *)pword;
 606     pModule->import_table = (int)pstr - (int)pModule;
 607     *pstr++ = 0;
 608     *pstr++ = 0;
 609
 610       /* Resident names table */
 611
 612     pModule->name_table = (int)pstr - (int)pModule;
 613     /* First entry is module name */
 614     *pstr = strlen(UpperDLLName );
 615     strcpy( pstr + 1, UpperDLLName );
 616     pstr += *pstr + 1;
 617     *(WORD *)pstr = 0;
 618     pstr += sizeof(WORD);
 619     /* Store all ordinals */
 620     odp = OrdinalDefinitions + 1;
 621     for (i = 1; i <= Limit; i++, odp++)
 622     {
 623         if (!odp->export_name[0]) continue;
 624         *pstr = strlen( odp->export_name );
 625         strcpy( pstr + 1, odp->export_name );
 626         strupper( pstr + 1 );
 627         pstr += *pstr + 1;
 628         *(WORD *)pstr = i;
 629         pstr += sizeof(WORD);
 630     }
 631     *pstr++ = 0;
 632
 633       /* Entry table */
 634
 635     pModule->entry_table = (int)pstr - (int)pModule;
 636     bundle = NULL;
 637     odp = OrdinalDefinitions + 1;
 638     for (i = 1; i <= Limit; i++, odp++)
 639     {
 640         int selector = 0;
 641
 642         switch (odp->type)
 643         {
 644         case TYPE_INVALID:
 645             selector = 0;  /* Invalid selector */
 646             break;
 647
 648         case TYPE_PASCAL:
 649         case TYPE_PASCAL_16:
 650         case TYPE_REGISTER:
 651         case TYPE_RETURN:
 652         case TYPE_STUB:
 653             selector = 1;  /* Code selector */
 654             break;
 655
 656         case TYPE_BYTE:
 657         case TYPE_WORD:
 658         case TYPE_LONG:
 659             selector = 2;  /* Data selector */
 660             break;
 661
 662         case TYPE_ABS:
 663             selector = 0xfe;  /* Constant selector */
 664             break;
 665         }
 666
 667           /* create a new bundle if necessary */
 668         if (!bundle || (bundle[0] >= 254) || (bundle[1] != selector))
 669         {
 670             bundle = pstr;
 671             bundle[0] = 0;
 672             bundle[1] = selector;
 673             pstr += 2;
 674         }
 675
 676         (*bundle)++;
 677         if (selector != 0)
 678         {
 679             *pstr++ = 1;
 680             *(WORD *)pstr = odp->offset;
 681             pstr += sizeof(WORD);
 682         }
 683     }
 684     *pstr++ = 0;
 685
 686       /* Dump the module content */
 687
 688     printf( "\t.data\n" );
 689     printf( "\t.globl " PREFIX "%s_Module_Start\n", UpperDLLName );
 690     printf( PREFIX "%s_Module_Start:\n", UpperDLLName );
 691     size = (int)pstr - (int)pModule;
 692     for (i = 0, pstr = buffer; i < size; i++, pstr++)
 693     {
 694         if (!(i & 7)) printf( "\t.byte " );
 695         printf( "%d%c", *pstr, ((i & 7) != 7) ? ',' : '\n' );
 696     }
 697     if (i & 7) printf( "0\n" );
 698     printf( "\t.globl " PREFIX "%s_Module_End\n", UpperDLLName );
 699     printf( PREFIX "%s_Module_End:\n", UpperDLLName );
 700 }
 701
 702
 703 static void BuildSpec32Files( char *specname )
 704 {
 705     ORDDEF *odp;
 706     ORDFUNCDEF *fdp;
 707     ORDRETDEF *rdp;
 708     int i;
 709
 710     SpecFp = fopen( specname, "r");
 711     if (SpecFp == NULL)
 712     {
 713         fprintf(stderr, "Could not open specification file, '%s'\n", specname);
 714         exit(1);
 715     }
 716
 717     ParseTopLevel();
 718
 719     printf( "/* File generated automatically, do not edit! */\n" );
 720     printf( "#include <sys/types.h>\n");
 721         printf( "#include \"windows.h\"\n");
 722     printf( "#include \"dlls.h\"\n");
 723     printf( "#include \"pe_image.h\"\n");
 724     printf( "#include \"winerror.h\"\n");
 725         printf( "#include \"relay32.h\"\n");
 726     printf( "#include \"stddebug.h\"\n");
 727     printf( "#include \"debug.h\"\n");
 728     printf( "\nextern int RELAY32_Unimplemented();\n\n" );
 729
 730     odp = OrdinalDefinitions;
 731     for (i = 0; i <= Limit; i++, odp++)
 732     {
 733         int argno,argc;
 734         fdp = odp->additional_data;
 735         rdp = odp->additional_data;
 736
 737         switch (odp->type)
 738         {
 739         case TYPE_INVALID:
 740         case TYPE_STUB:
 741             printf( "int %s_%d()\n{\n\t", UpperDLLName, i);
 742             printf( "RELAY32_Unimplemented(\"%s\",%d);\n", UpperDLLName, i);
 743             printf( "\t/*NOTREACHED*/\n\treturn 0;\n}\n\n");
 744             break;
 745         case TYPE_STDCALL:
 746             argc=strlen(fdp->arg_types);
 747             printf( "void %s_%d(", UpperDLLName, i);
 748             for(argno=0;argno<argc;argno++)
 749             {
 750                 switch(fdp->arg_types[argno])
 751                 {
 752                 case 'p': printf( "void *");break;
 753                 case 'l': printf( "int ");break;
 754                 default:
 755                     fprintf(stderr, "Not supported argument type %c\n",
 756                             fdp->arg_types[argno]);
 757                     exit(1);
 758                 }
 759                 putchar( 'a'+argno );
 760                 if (argno!=argc-1) putchar( ',' );
 761             }
 762             printf( ")\n{\n" );
 763             printf( "\tdprintf_relay(stddeb,\"Entering %%s.%%s(");
 764             for (argno=0;argno<argc;argno++) printf( "%%x ");
 765             printf( ")\\n\", \"%s\", \"%s\"", UpperDLLName, odp->export_name);
 766             for(argno=0;argno<argc;argno++) printf( ",%c", 'a'+argno);
 767             printf( ");\n\t%s(", fdp->internal_name );
 768             for(argno=0;argno<argc;argno++)
 769             {
 770                 putchar('a'+argno);
 771                 if (argno!=argc-1) putchar(',');
 772             }
 773             printf( ");\n\t__asm__ __volatile__(\"movl %%ebp,%%esp;"
 774                     "popl %%ebp;ret $%d\");\n}\n\n",
 775                     4*argc);
 776             break;
 777         case TYPE_RETURN:
 778             printf( "void %s_%d()\n{\n\t", UpperDLLName, i);
 779             printf( "RELAY32_DebugEnter(\"%s\",\"%s\");\n\t",
 780                    UpperDLLName, odp->export_name);
 781             printf( "WIN32_LastError=ERROR_CALL_NOT_IMPLEMENTED;\n");
 782             printf( "\t__asm__ __volatile__ (\"movl %d,%%eax\");\n",
 783                    rdp->ret_value);
 784             printf( "\t__asm__ __volatile__ (\"movl %%ebp,%%esp;popl %%ebp;"
 785                     "ret $%d\");\n}\n\n", rdp->arg_size);
 786             break;
 787         default:
 788             fprintf(stderr,"build: function type %d not available for Win32\n",
 789                     odp->type);
 790             break;
 791         }
 792     }
 793
 794     printf( "static WIN32_function functions[%d+1]={\n", Limit);
 795
 796     odp = OrdinalDefinitions;
 797     for (i = 0; i <= Limit; i++, odp++)
 798     {
 799         fdp = odp->additional_data;
 800         rdp = odp->additional_data;
 801
 802         switch (odp->type)
 803         {
 804         case TYPE_INVALID:
 805             printf( "{0,%s_%d},\n",UpperDLLName, i);
 806             break;
 807         case TYPE_RETURN:
 808         case TYPE_STDCALL:
 809         case TYPE_STUB:
 810             printf( "{\"%s\",%s_%d},\n", odp->export_name, UpperDLLName, i);
 811             break;
 812         default:
 813             fprintf(stderr, "build: implementation error: missing %d\n",
 814                     odp->type);
 815             exit(1);
 816         }
 817     }
 818     printf("};\n\n");
 819
 820     printf( "static WIN32_builtin dll={\"%s\",functions,%d,0};\n",
 821             UpperDLLName, Limit+1);
 822
 823     printf( "void %s_Init(void)\n{\n",UpperDLLName);
 824     printf( "\tdll.next=WIN32_builtin_list;\n");
 825     printf( "\tWIN32_builtin_list=&dll;\n}");
 826 }
 827
 828
 829 static void BuildSpec16Files( char *specname )
 830 {
 831     ORDDEF *odp;
 832     ORDFUNCDEF *fdp;
 833     ORDRETDEF *rdp;
 834     int i;
 835     int code_offset, data_offset;
 836
 837     SpecFp = fopen( specname, "r");
 838     if (SpecFp == NULL)
 839     {
 840         fprintf(stderr, "Could not open specification file, '%s'\n", specname);
 841         exit(1);
 842     }
 843
 844     ParseTopLevel();
 845
 846     printf( "/* File generated automatically; do not edit! */\n" );
 847     printf( "\t.data\n" );
 848     printf( "\t.globl " PREFIX "%s_Data_Start\n", UpperDLLName );
 849     printf( PREFIX "%s_Data_Start:\n", UpperDLLName );
 850     printf( "\t.word 0,0,0,0,0,0,0,0\n" );
 851     data_offset = 16;
 852     printf( "\t.text\n" );
 853     printf( "\t.globl " PREFIX "%s_Code_Start\n", UpperDLLName );
 854     printf( PREFIX "%s_Code_Start:\n", UpperDLLName );
 855     code_offset = 0;
 856
 857     odp = OrdinalDefinitions;
 858     for (i = 0; i <= Limit; i++, odp++)
 859     {
 860         fdp = odp->additional_data;
 861         rdp = odp->additional_data;
 862
 863         switch (odp->type)
 864         {
 865           case TYPE_INVALID:
 866             odp->offset = 0xffff;
 867             break;
 868
 869           case TYPE_ABS:
 870             odp->offset = (int)odp->additional_data & 0xffff;
 871             break;
 872
 873           case TYPE_BYTE:
 874             printf( "/* %s.%d */\n", UpperDLLName, i);
 875             odp->offset = data_offset;
 876             data_offset += OutputVariableCode( ".byte", odp);
 877             break;
 878
 879           case TYPE_WORD:
 880             printf( "/* %s.%d */\n", UpperDLLName, i);
 881             odp->offset = data_offset;
 882             data_offset += 2 * OutputVariableCode( ".word", odp);
 883             break;
 884
 885           case TYPE_LONG:
 886             printf( "/* %s.%d */\n", UpperDLLName, i);
 887             odp->offset = data_offset;
 888             data_offset += 4 * OutputVariableCode( ".long", odp);
 889             break;
 890
 891           case TYPE_RETURN:
 892             printf( "/* %s.%d */\n", UpperDLLName, i);
 893             printf( "\tmovw $%d,%%ax\n", rdp->ret_value & 0xffff );
 894             printf( "\tmovw $%d,%%dx\n", (rdp->ret_value >> 16) & 0xffff);
 895             printf( "\t.byte 0x66\n");
 896             if (rdp->arg_size != 0)
 897                 printf( "\tlret $%d\n", rdp->arg_size);
 898             else
 899                 printf( "\tlret\n");
 900             odp->offset = code_offset;
 901             code_offset += 10;  /* Assembly code is 10 bytes long */
 902             if (rdp->arg_size != 0) code_offset += 2;
 903             break;
 904
 905           case TYPE_REGISTER:
 906           case TYPE_PASCAL:
 907           case TYPE_PASCAL_16:
 908           case TYPE_STUB:
 909             printf( "/* %s.%d */\n", UpperDLLName, i);
 910             printf( "\tpushw %%bp\n" );
 911             printf( "\tpushl $0x%08x\n", (DLLId << 16) | i);
 912             printf( "\tpushl $" PREFIX "%s\n", fdp->internal_name );
 913             printf( "\tljmp $0x%04x, $" PREFIX "CallTo32_%s_%s\n\n",
 914                     WINE_CODE_SELECTOR,
 915                     (odp->type == TYPE_REGISTER) ? "regs" :
 916                     (odp->type == TYPE_PASCAL) ? "long" : "word",
 917                     fdp->arg_types );
 918             printf( "\tnop\n" );
 919             printf( "\tnop\n" );
 920             printf( "\tnop\n" );
 921             printf( "\tnop\n" );
 922             printf( "\tnop\n" );
 923             odp->offset = code_offset;
 924             code_offset += 24;  /* Assembly code is 24 bytes long */
 925             break;
 926
 927           default:
 928             fprintf( stderr, "build: Unknown function type; please report.\n");
 929             break;
 930         }
 931     }
 932
 933     if (!code_offset)  /* Make sure the code segment is not empty */
 934     {
 935         printf( "\t.byte 0\n" );
 936         code_offset++;
 937     }
 938
 939     BuildModule( code_offset, data_offset );
 940 }
 941
 942
 943 /*******************************************************************
 944  *         BuildCall32LargeStack
 945  *
 946  * Build the function used to switch to the original 32-bit stack
 947  * before calling a 32-bit function from 32-bit code. This is used for
 948  * functions that need a large stack, like X bitmaps functions.
 949  *
 950  * The generated function has the following prototype:
 951  *   int CallTo32_LargeStack( int (*func)(), int nbargs, ... )
 952  *
 953  * Stack layout:
 954  *   ...     ...
 955  * (ebp+20)  arg2
 956  * (ebp+16)  arg1
 957  * (ebp+12)  nbargs
 958  * (ebp+8)   func
 959  * (ebp+4)   ret addr
 960  * (ebp)     ebp
 961  */
 962 static void BuildCall32LargeStack(void)
 963 {
 964     /* Function header */
 965
 966     printf( "/**********\n" );
 967     printf( " * " PREFIX "CallTo32_LargeStack\n" );
 968     printf( " **********/\n" );
 969     printf( "\t.align 4\n" );
 970     printf( "\t.globl " PREFIX "CallTo32_LargeStack\n\n" );
 971     printf( PREFIX "CallTo32_LargeStack:\n" );
 972
 973     /* Entry code */
 974
 975     printf( "\tpushl %%ebp\n" );
 976     printf( "\tmovl %%esp,%%ebp\n" );
 977
 978     /* Save registers */
 979
 980     printf( "\tpushl %%ecx\n" );
 981     printf( "\tpushl %%esi\n" );
 982     printf( "\tpushl %%edi\n" );
 983
 984     /* Retrieve the original 32-bit stack pointer and switch to it if any */
 985
 986     printf( "\tmovl " PREFIX "IF1632_Original32_esp, %%eax\n" );
 987     printf( "\torl %%eax,%%eax\n" );
 988     printf( "\tje 0f\n" );
 989     printf( "\tmovl %%eax,%%esp\n" );
 990     printf( "0:\n" );
 991
 992     /* Transfer the arguments */
 993
 994     printf( "\tmovl 12(%%ebp),%%ecx\n" );
 995     printf( "\torl %%ecx,%%ecx\n" );
 996     printf( "\tje 1f\n" );
 997     printf( "\tleal 16(%%ebp),%%esi\n" );
 998     printf( "\tshll $2,%%ecx\n" );
 999     printf( "\tsubl %%ecx,%%esp\n" );
1000     printf( "\tmovl %%esp,%%edi\n" );
1001     printf( "\tshrl $2,%%ecx\n" );
1002     printf( "\tcld\n" );
1003     printf( "\trep; movsl\n" );
1004     printf( "1:\n" );
1005
1006     /* Call the function */
1007
1008     printf( "\tcall 8(%%ebp)\n" );
1009
1010     /* Switch back to the normal stack */
1011
1012     printf( "\tleal -12(%%ebp),%%esp\n" );
1013
1014     /* Restore registers and return */
1015
1016     printf( "\tpopl %%edi\n" );
1017     printf( "\tpopl %%esi\n" );
1018     printf( "\tpopl %%ecx\n" );
1019     printf( "\tpopl %%ebp\n" );
1020     printf( "\tret\n" );
1021 }
1022
1023
1024 /*******************************************************************
1025  *         TransferArgs16To32
1026  *
1027  * Get the arguments from the 16-bit stack and push them on the 32-bit stack.
1028  * The 16-bit stack layout is:
1029  *   ...     ...
1030  *  (bp+8)    arg2
1031  *  (bp+6)    arg1
1032  *  (bp+4)    cs
1033  *  (bp+2)    ip
1034  *  (bp)      bp
1035  */
1036 static int TransferArgs16To32( char *args )
1037 {
1038     int i, pos16, pos32;
1039
1040     /* Save ebx first */
1041
1042     printf( "\tpushl %%ebx\n" );
1043
1044     /* Get the 32-bit stack pointer */
1045
1046     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1047
1048     /* Copy the arguments */
1049
1050     pos16 = 6;  /* skip bp and return address */
1051     pos32 = 0;
1052
1053     for (i = strlen(args); i > 0; i--)
1054     {
1055         pos32 -= 4;
1056         switch(args[i-1])
1057         {
1058         case 'w':  /* word */
1059             printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 );
1060             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1061             pos16 += 2;
1062             break;
1063
1064         case 's':  /* s_word */
1065             printf( "\tmovswl %d(%%ebp),%%eax\n", pos16 );
1066             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1067             pos16 += 2;
1068             break;
1069
1070         case 'l':  /* long */
1071             printf( "\tmovl %d(%%ebp),%%eax\n", pos16 );
1072             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1073             pos16 += 4;
1074             break;
1075
1076         case 'p':  /* ptr */
1077             /* Get the selector */
1078             printf( "\tmovw %d(%%ebp),%%ax\n", pos16 + 2 );
1079             /* Get the selector base */
1080             printf( "\tandl $0xfff8,%%eax\n" );
1081             printf( "\tmovl " PREFIX "ldt_copy(%%eax),%%eax\n" );
1082             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1083             /* Add the offset */
1084             printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 );
1085             printf( "\taddl %%eax,%d(%%ebx)\n", pos32 );
1086             pos16 += 4;
1087             break;
1088
1089         default:
1090             fprintf( stderr, "Unknown arg type '%c'\n", args[i-1] );
1091         }
1092     }
1093
1094     /* Restore ebx */
1095
1096     printf( "\tpopl %%ebx\n" );
1097
1098     return pos16 - 6;  /* Return the size of the 16-bit args */
1099 }
1100
1101
1102 /*******************************************************************
1103  *         BuildContext
1104  *
1105  * Build the context structure on the 32-bit stack.
1106  * The only valid registers in the context structure are:
1107  *   eax, ebx, ecx, edx, esi, edi, ds, es, (some of the) flags
1108  */
1109 static void BuildContext(void)
1110 {
1111     /* Save ebx first */
1112
1113     printf( "\tpushl %%ebx\n" );
1114
1115     /* Get the 32-bit stack pointer */
1116
1117     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1118
1119     /* Store the registers */
1120
1121     printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_ebx) ); /* Get ebx from stack */
1122     printf( "\tmovl %%eax,%d(%%ebx)\n", CONTEXTOFFSET(sc_eax) );
1123     printf( "\tmovl %%ecx,%d(%%ebx)\n", CONTEXTOFFSET(sc_ecx) );
1124     printf( "\tmovl %%edx,%d(%%ebx)\n", CONTEXTOFFSET(sc_edx) );
1125     printf( "\tmovl %%esi,%d(%%ebx)\n", CONTEXTOFFSET(sc_esi) );
1126     printf( "\tmovl %%edi,%d(%%ebx)\n", CONTEXTOFFSET(sc_edi) );
1127     printf( "\tmovw -10(%%ebp),%%ax\n" );  /* Get saved ds from stack */
1128     printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_ds) );
1129     printf( "\tmovw -12(%%ebp),%%ax\n" );  /* Get saved es from stack */
1130     printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_es) );
1131     printf( "\tpushfl\n" );
1132 #ifndef __FreeBSD__
1133     printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) );
1134 #else
1135     printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) );
1136 #endif
1137 }
1138
1139
1140 /*******************************************************************
1141  *         RestoreContext
1142  *
1143  * Restore the registers from the context structure
1144  */
1145 static void RestoreContext(void)
1146 {
1147     /* Get the 32-bit stack pointer */
1148
1149     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1150
1151     /* Restore the registers */
1152
1153     printf( "\tmovl %d(%%ebx),%%ecx\n", CONTEXTOFFSET(sc_ecx) );
1154     printf( "\tmovl %d(%%ebx),%%edx\n", CONTEXTOFFSET(sc_edx) );
1155     printf( "\tmovl %d(%%ebx),%%esi\n", CONTEXTOFFSET(sc_esi) );
1156     printf( "\tmovl %d(%%ebx),%%edi\n", CONTEXTOFFSET(sc_edi) );
1157     printf( "\tpopl %%eax\n" );  /* Remove old ds and es from stack */
1158     printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_ds) ); /* Push new ds */
1159     printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_es) ); /* Push new es */
1160 #ifndef __FreeBSD__
1161     printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) );
1162 #else
1163     printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) );
1164 #endif
1165     printf( "\tpopfl\n" );
1166     printf( "\tmovl %d(%%ebx),%%eax\n", CONTEXTOFFSET(sc_eax) );
1167     printf( "\tmovl %d(%%ebx),%%ebx\n", CONTEXTOFFSET(sc_ebx) );
1168 }
1169
1170
1171 /*******************************************************************
1172  *         BuildCall32Func
1173  *
1174  * Build a 32-bit callback function. The syntax of the function
1175  * profile is: type_xxxxx, where 'type' is one of 'regs', 'word' or
1176  * 'long' and each 'x' is an argument ('w'=word, 's'=signed word,
1177  * 'l'=long, 'p'=pointer).
1178  * For register functions, the arguments are ignored, but they are still
1179  * removed from the stack upon return.
1180  *
1181  * Stack layout upon entry to the callback function:
1182  *  ...      ...
1183  * (sp+14)  first 16-bit arg
1184  * (sp+12)  cs (word)
1185  * (sp+10)  ip (word)
1186  * (sp+8)   bp (word)
1187  * (sp+4)   dll_id+ordinal (long)
1188  * (sp)     entrypoint (long)
1189  *
1190  */
1191 static void BuildCall32Func( char *profile )
1192 {
1193     int argsize = 0;
1194     int short_ret = 0;
1195     int reg_func = 0;
1196     char *args = profile + 5;
1197
1198     /* Parse function type */
1199
1200     if (!strncmp( "word_", profile, 5 )) short_ret = 1;
1201     else if (!strncmp( "regs_", profile, 5 )) reg_func = 1;
1202     else if (strncmp( "long_", profile, 5 ))
1203     {
1204         fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
1205         return;
1206     }
1207
1208     /* Function header */
1209
1210     printf( "/**********\n" );
1211     printf( " * " PREFIX "CallTo32_%s\n", profile );
1212     printf( " **********/\n" );
1213     printf( "\t.align 4\n" );
1214     printf( "\t.globl " PREFIX "CallTo32_%s\n\n", profile );
1215     printf( PREFIX "CallTo32_%s:\n", profile );
1216
1217     /* Setup bp to point to its copy on the stack */
1218
1219     printf( "\tmovzwl %%sp,%%ebp\n" );
1220     printf( "\taddw $8,%%bp\n" );
1221
1222     /* Save 16-bit ds and es */
1223
1224     printf( "\tpushw %%ds\n" );
1225     printf( "\tpushw %%es\n" );
1226
1227     /* Restore 32-bit ds and es */
1228
1229     printf( "\tpushl $0x%04x%04x\n", WINE_DATA_SELECTOR, WINE_DATA_SELECTOR );
1230     printf( "\tpopw %%ds\n" );
1231     printf( "\tpopw %%es\n" );
1232
1233
1234     /* Save the 16-bit stack */
1235
1236     printf( "\tpushw " PREFIX "IF1632_Saved16_sp\n" );
1237     printf( "\tpushw " PREFIX "IF1632_Saved16_ss\n" );
1238     printf( "\tmovw %%ss," PREFIX "IF1632_Saved16_ss\n" );
1239     printf( "\tmovw %%sp," PREFIX "IF1632_Saved16_sp\n" );
1240
1241     /* Transfer the arguments */
1242
1243     if (reg_func) BuildContext();
1244     else if (*args) argsize = TransferArgs16To32( args );
1245
1246     /* Get the address of the API function */
1247
1248     printf( "\tmovl -8(%%ebp),%%eax\n" );
1249
1250     /* If necessary, save %edx over the API function address */
1251
1252     if (!reg_func && short_ret)
1253         printf( "\tmovl %%edx,-8(%%ebp)\n" );
1254
1255     /* Switch to the 32-bit stack */
1256
1257     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebp\n" );
1258     printf( "\tpushw %%ds\n" );
1259     printf( "\tpopw %%ss\n" );
1260     printf( "\tleal -%d(%%ebp),%%esp\n",
1261             reg_func ? sizeof(struct sigcontext_struct) : 4 * strlen(args) );
1262
1263     /* Setup %ebp to point to the previous stack frame (built by CallTo16) */
1264
1265     printf( "\taddl $24,%%ebp\n" );
1266
1267     /* Print the debug information before the call */
1268
1269     if (debugging)
1270     {
1271         printf( "\tpushl %%eax\n" );
1272         printf( "\tpushl $CALL32_Str_%s\n", profile );
1273         printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
1274         printf( "\tcall " PREFIX "RELAY_DebugCall32\n" );
1275         printf( "\tpopl %%eax\n" );
1276         printf( "\tpopl %%eax\n" );
1277         printf( "\tpopl %%eax\n" );
1278     }
1279
1280     /* Call the entry point */
1281
1282     printf( "\tcall %%eax\n" );
1283
1284     /* Print the debug information after the call */
1285
1286     if (debugging)
1287     {
1288         printf( "\tpushl %%eax\n" );
1289         printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
1290         printf( "\tcall " PREFIX "RELAY_DebugReturn\n" );
1291         printf( "\tpopl %%eax\n" );
1292         printf( "\tpopl %%eax\n" );
1293     }
1294
1295     /* Restore the 16-bit stack */
1296
1297     printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
1298     printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
1299     printf( "\tpopw " PREFIX "IF1632_Saved16_ss\n" );
1300     printf( "\tpopw " PREFIX "IF1632_Saved16_sp\n" );
1301
1302     if (reg_func)
1303     {
1304         /* Restore registers from the context structure */
1305         RestoreContext();
1306
1307         /* Calc the arguments size */
1308         while (*args)
1309         {
1310             switch(*args)
1311             {
1312             case 'w':
1313             case 's':
1314                 argsize += 2;
1315                 break;
1316             case 'p':
1317             case 'l':
1318                 argsize += 4;
1319                 break;
1320             default:
1321                 fprintf( stderr, "Unknown arg type '%c'\n", *args );
1322             }
1323             args++;
1324         }
1325     }
1326
1327     /* Restore ds and es */
1328
1329     printf( "\tpopw %%es\n" );
1330     printf( "\tpopw %%ds\n" );
1331
1332     /* Get the return value into dx:ax and clean up the stack */
1333
1334     if (!reg_func)
1335     {
1336         if (short_ret)
1337         {
1338             printf( "\tpopl %%edx\n" );     /* Restore %edx */
1339             printf( "\taddl $4,%%esp\n" );  /* Remove DLL id and ordinal */
1340         }
1341         else
1342         {
1343             printf( "\tpushl %%eax\n" );
1344             printf( "\tpopw %%ax\n" );
1345             printf( "\tpopw %%dx\n" );
1346             /* Remove API entry point, DLL id and ordinal from the stack */
1347             printf( "\taddl $8,%%esp\n" );
1348         }
1349     }
1350     else
1351     {
1352         /* Remove API entry point, DLL id and ordinal from the stack, */
1353         /* but take care not to change the value of the carry flag.   */
1354
1355         printf( "\tpopl %%ebp\n" );
1356         printf( "\tpopl %%ebp\n" );
1357     }
1358
1359     /* Restore bp */
1360
1361     printf( "\tpopw %%bp\n" );
1362
1363     /* Remove the arguments and return */
1364
1365     if (argsize)
1366     {
1367         printf( "\t.byte 0x66\n" );
1368         printf( "\tlret $%d\n", argsize );
1369     }
1370     else
1371     {
1372         printf( "\t.byte 0x66\n" );
1373         printf( "\tlret\n" );
1374     }
1375 }
1376
1377
1378 /*******************************************************************
1379  *         BuildCall16Func
1380  *
1381  * Build a 16-bit callback function.
1382  *
1383  * Stack frame of the callback function:
1384  *  ...      ...
1385  * (ebp+24) arg2
1386  * (ebp+20) arg1
1387  * (ebp+16) 16-bit ds
1388  * (ebp+12) func to call
1389  * (ebp+8)  code selector
1390  * (ebp+4)  return address
1391  * (ebp)    previous ebp
1392  *
1393  * Prototypes for the CallTo16 functions:
1394  *   extern WORD CallTo16_word_xxx( FARPROC func, WORD ds, args... );
1395  *   extern LONG CallTo16_long_xxx( FARPROC func, WORD ds, args... );
1396  *   extern void CallTo16_regs_( FARPROC func, WORD ds, WORD es, WORD bp,
1397  *                               WORD ax, WORD bx, WORD cx, WORD dx,
1398  *                               WORD si, WORD di );
1399  */
1400 static void BuildCall16Func( char *profile )
1401 {
1402     int short_ret = 0;
1403     int reg_func = 0;
1404     char *args = profile + 5;
1405
1406     if (!strncmp( "word_", profile, 5 )) short_ret = 1;
1407     else if (!strncmp( "regs_", profile, 5 )) reg_func = short_ret = 1;
1408     else if (strncmp( "long_", profile, 5 ))
1409     {
1410         fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
1411         return;
1412     }
1413
1414     /* Function header */
1415
1416     printf( "/**********\n" );
1417     printf( " * " PREFIX "CallTo16_%s\n", profile );
1418     printf( " **********/\n" );
1419     printf( "\t.align 4\n" );
1420     printf( "\t.globl " PREFIX "CallTo16_%s\n\n", profile );
1421     printf( PREFIX "CallTo16_%s:\n", profile );
1422
1423     /* Push code selector before return address to simulate a lcall */
1424
1425     printf( "\tpopl %%eax\n" );
1426     printf( "\tpushl $0x%04x\n", WINE_CODE_SELECTOR );
1427     printf( "\tpushl %%eax\n" );
1428
1429     /* Entry code */
1430
1431     printf( "\tpushl %%ebp\n" );
1432     printf( "\tmovl %%esp,%%ebp\n" );
1433
1434     /* Save the 32-bit registers */
1435
1436     printf( "\tpushl %%ebx\n" );
1437     printf( "\tpushl %%ecx\n" );
1438     printf( "\tpushl %%edx\n" );
1439     printf( "\tpushl %%esi\n" );
1440     printf( "\tpushl %%edi\n" );
1441
1442     /* Save the 32-bit stack */
1443
1444     printf( "\tpushl " PREFIX "IF1632_Saved32_esp\n" );
1445     printf( "\tmovl %%esp," PREFIX "IF1632_Saved32_esp\n" );
1446     printf( "\tmovl %%ebp,%%ebx\n" );
1447
1448     /* Print debugging info */
1449
1450     if (debugging)
1451     {
1452         /* Push the address of the first argument */
1453         printf( "\tmovl %%ebx,%%eax\n" );
1454         printf( "\taddl $12,%%eax\n" );
1455         printf( "\tpushl $%d\n", reg_func ? 8 : strlen(args) );
1456         printf( "\tpushl %%eax\n" );
1457         printf( "\tcall " PREFIX "RELAY_DebugCall16\n" );
1458         printf( "\tpopl %%eax\n" );
1459         printf( "\tpopl %%eax\n" );
1460     }
1461
1462     /* Switch to the 16-bit stack */
1463
1464     printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
1465     printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
1466
1467     /* Transfer the arguments */
1468
1469     if (reg_func)
1470     {
1471         /* Get the registers. ebx is handled later on. */
1472         printf( "\tpushw 20(%%ebx)\n" );
1473         printf( "\tpopw %%es\n" );
1474         printf( "\tmovl 24(%%ebx),%%ebp\n" );
1475         printf( "\tmovl 28(%%ebx),%%eax\n" );
1476         printf( "\tmovl 36(%%ebx),%%ecx\n" );
1477         printf( "\tmovl 40(%%ebx),%%edx\n" );
1478         printf( "\tmovl 44(%%ebx),%%esi\n" );
1479         printf( "\tmovl 48(%%ebx),%%edi\n" );
1480     }
1481     else  /* not a register function */
1482     {
1483         int pos = 20;  /* first argument position */
1484
1485         /* Make %bp point to the previous stackframe (built by CallTo32) */
1486         printf( "\tmovw %%sp,%%bp\n" );
1487         printf( "\taddw $16,%%bp\n" );
1488
1489         while (*args)
1490         {
1491             switch(*args++)
1492             {
1493             case 'w': /* word */
1494                 printf( "\tpushw %d(%%ebx)\n", pos );
1495                 break;
1496             case 'l': /* long */
1497                 printf( "\tpushl %d(%%ebx)\n", pos );
1498                 break;
1499             }
1500             pos += 4;
1501         }
1502     }
1503
1504     /* Push the return address */
1505
1506     printf( "\tpushl " PREFIX "CALL16_RetAddr_%s\n",
1507             short_ret ? "word" : "long" );
1508
1509     /* Push the called routine address */
1510
1511     printf( "\tpushl 12(%%ebx)\n" );
1512
1513     /* Get the 16-bit ds */
1514
1515     if (reg_func)
1516     {
1517         printf( "\tpushw 16(%%ebx)\n" );
1518         printf( "\tmovl 32(%%ebx),%%ebx\n" ); /*Get ebx from the 32-bit stack*/
1519         printf( "\tpopw %%ds\n" );
1520     }
1521     else
1522     {
1523         /* Set ax equal to ds for window procedures */
1524         printf( "\tmovw 16(%%ebx),%%ax\n" );
1525         printf( "\tmovw %%ax,%%ds\n" );
1526     }
1527
1528     /* Jump to the called routine */
1529
1530     printf( "\t.byte 0x66\n" );
1531     printf( "\tlret\n" );
1532 }
1533
1534
1535 /*******************************************************************
1536  *         BuildRet16Func
1537  *
1538  * Build the return code for 16-bit callbacks
1539  */
1540 static void BuildRet16Func()
1541 {
1542     printf( "\t.globl " PREFIX "CALL16_Ret_word\n" );
1543     printf( "\t.globl " PREFIX "CALL16_Ret_long\n" );
1544
1545     /* Put return value into eax */
1546
1547     printf( PREFIX "CALL16_Ret_long:\n" );
1548     printf( "\tpushw %%dx\n" );
1549     printf( "\tpushw %%ax\n" );
1550     printf( "\tpopl %%eax\n" );
1551     printf( PREFIX "CALL16_Ret_word:\n" );
1552
1553     /* Restore 32-bit segment registers */
1554
1555     printf( "\tmovw $0x%04x,%%bx\n", WINE_DATA_SELECTOR );
1556     printf( "\tmovw %%bx,%%ds\n" );
1557     printf( "\tmovw %%bx,%%es\n" );
1558     printf( "\tmovw %%bx,%%ss\n" );
1559
1560     /* Restore the 32-bit stack */
1561
1562     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%esp\n" );
1563     printf( "\tpopl " PREFIX "IF1632_Saved32_esp\n" );
1564
1565     /* Restore the 32-bit registers */
1566
1567     printf( "\tpopl %%edi\n" );
1568     printf( "\tpopl %%esi\n" );
1569     printf( "\tpopl %%edx\n" );
1570     printf( "\tpopl %%ecx\n" );
1571     printf( "\tpopl %%ebx\n" );
1572
1573     /* Return to caller */
1574
1575     printf( "\tpopl %%ebp\n" );
1576     printf( "\tlret\n" );
1577
1578     /* Declare the return address variables */
1579
1580     printf( "\t.data\n" );
1581     printf( "\t.globl " PREFIX "CALL16_RetAddr_word\n" );
1582     printf( "\t.globl " PREFIX "CALL16_RetAddr_long\n" );
1583     printf( PREFIX "CALL16_RetAddr_word:\t.long 0\n" );
1584     printf( PREFIX "CALL16_RetAddr_long:\t.long 0\n" );
1585     printf( "\t.text\n" );
1586 }
1587
1588
1589 static void usage(void)
1590 {
1591     fprintf(stderr, "usage: build -spec SPECNAMES\n"
1592                     "       build -call32 FUNCTION_PROFILES\n"
1593                     "       build -call16 FUNCTION_PROFILES\n" );
1594     exit(1);
1595 }
1596
1597
1598 int main(int argc, char **argv)
1599 {
1600     int i;
1601
1602     if (argc <= 2) usage();
1603
1604     if (!strcmp( argv[1], "-spec16" ))
1605     {
1606         for (i = 2; i < argc; i++) BuildSpec16Files( argv[i] );
1607     }
1608     else if (!strcmp( argv[1], "-spec32" ))
1609     {
1610         for (i = 2; i < argc; i++) BuildSpec32Files( argv[i] );
1611     }
1612     else if (!strcmp( argv[1], "-call32" ))  /* 32-bit callbacks */
1613     {
1614         /* File header */
1615
1616         printf( "/* File generated automatically. Do no edit! */\n\n" );
1617         printf( "\t.text\n" );
1618
1619         /* Build the 32-bit large stack callback */
1620
1621         BuildCall32LargeStack();
1622
1623         /* Build the callback functions */
1624
1625         for (i = 2; i < argc; i++) BuildCall32Func( argv[i] );
1626
1627         /* Output the argument debugging strings */
1628
1629         if (debugging)
1630         {
1631             printf( "/* Argument strings */\n" );
1632             for (i = 2; i < argc; i++)
1633             {
1634                 printf( "CALL32_Str_%s:\n", argv[i] );
1635                 printf( "\t.ascii \"%s\\0\"\n", argv[i] + 5 );
1636             }
1637         }
1638     }
1639     else if (!strcmp( argv[1], "-call16" ))  /* 16-bit callbacks */
1640     {
1641         /* File header */
1642
1643         printf( "/* File generated automatically. Do no edit! */\n\n" );
1644         printf( "\t.text\n" );
1645         printf( "\t.globl " PREFIX "CALL16_Start\n" );
1646         printf( PREFIX "CALL16_Start:\n" );
1647
1648         /* Build the callback functions */
1649
1650         for (i = 2; i < argc; i++) BuildCall16Func( argv[i] );
1651
1652         /* Output the 16-bit return code */
1653
1654         BuildRet16Func();
1655
1656         printf( "\t.globl " PREFIX "CALL16_End\n" );
1657         printf( PREFIX "CALL16_End:\n" );
1658     }
1659     else usage();
1660
1661     return 0;
1662 }