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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <assert.h>
  29 #include <ctype.h>
  30 #include <stdarg.h>
  31 #include <string.h>
  32
  33 #include "build.h"
  34
  35 #define IMAGE_FILE_MACHINE_UNKNOWN 0
  36 #define IMAGE_FILE_MACHINE_I386    0x014c
  37 #define IMAGE_FILE_MACHINE_POWERPC 0x01f0
  38 #define IMAGE_FILE_MACHINE_AMD64   0x8664
  39 #define IMAGE_FILE_MACHINE_ARM     0x01C0
  40 /* Wine extension */
  41 #define IMAGE_FILE_MACHINE_SPARC   0x2000
  42
  43 #define IMAGE_SIZEOF_NT_OPTIONAL32_HEADER 224
  44 #define IMAGE_SIZEOF_NT_OPTIONAL64_HEADER 240
  45
  46 #define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
  47 #define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
  48 #define IMAGE_ROM_OPTIONAL_HDR_MAGIC  0x107
  49
  50 /* check if entry point needs a relay thunk */
  51 static inline int needs_relay( const ORDDEF *odp )
  52 {
  53     /* skip nonexistent entry points */
  54     if (!odp) return 0;
  55     /* skip non-functions */
  56     switch (odp->type)
  57     {
  58     case TYPE_STDCALL:
  59     case TYPE_CDECL:
  60     case TYPE_THISCALL:
  61         break;
  62     case TYPE_STUB:
  63         if (odp->u.func.nb_args != -1) break;
  64         /* fall through */
  65     default:
  66         return 0;
  67     }
  68     /* skip norelay and forward entry points */
  69     if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) return 0;
  70     /* skip register entry points on x86_64 */
  71     if (target_cpu == CPU_x86_64 && (odp->flags & FLAG_REGISTER)) return 0;
  72     return 1;
  73 }
  74
  75 static int is_float_arg( const ORDDEF *odp, int arg )
  76 {
  77     if (arg >= odp->u.func.nb_args) return 0;
  78     return (odp->u.func.args[arg] == ARG_FLOAT || odp->u.func.args[arg] == ARG_DOUBLE);
  79 }
  80
  81 /* check if dll will output relay thunks */
  82 int has_relays( DLLSPEC *spec )
  83 {
  84     int i;
  85
  86     if (target_cpu != CPU_x86 && target_cpu != CPU_x86_64) return 0;
  87
  88     for (i = spec->base; i <= spec->limit; i++)
  89     {
  90         ORDDEF *odp = spec->ordinals[i];
  91         if (needs_relay( odp )) return 1;
  92     }
  93     return 0;
  94 }
  95
  96 /*******************************************************************
  97  *         output_relay_debug
  98  *
  99  * Output entry points for relay debugging
 100  */
 101 static void output_relay_debug( DLLSPEC *spec )
 102 {
 103     int i, j;
 104     unsigned int pos, args, flags;
 105
 106     /* first the table of entry point offsets */
 107
 108     output( "\t%s\n", get_asm_rodata_section() );
 109     output( "\t.align %d\n", get_alignment(4) );
 110     output( ".L__wine_spec_relay_entry_point_offsets:\n" );
 111
 112     for (i = spec->base; i <= spec->limit; i++)
 113     {
 114         ORDDEF *odp = spec->ordinals[i];
 115
 116         if (needs_relay( odp ))
 117             output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i );
 118         else
 119             output( "\t.long 0\n" );
 120     }
 121
 122     /* then the table of argument types */
 123
 124     output( "\t.align %d\n", get_alignment(4) );
 125     output( ".L__wine_spec_relay_arg_types:\n" );
 126
 127     for (i = spec->base; i <= spec->limit; i++)
 128     {
 129         ORDDEF *odp = spec->ordinals[i];
 130         unsigned int mask = 0;
 131
 132         if (needs_relay( odp ))
 133         {
 134             for (j = pos = 0; pos < 16 && j < odp->u.func.nb_args; j++)
 135             {
 136                 switch (odp->u.func.args[j])
 137                 {
 138                 case ARG_STR:    mask |= 1 << (2 * pos++); break;
 139                 case ARG_WSTR:   mask |= 2 << (2 * pos++); break;
 140                 case ARG_INT64:
 141                 case ARG_DOUBLE: pos += 8 / get_ptr_size(); break;
 142                 case ARG_INT128: pos += (target_cpu == CPU_x86) ? 4 : 1; break;
 143                 default:         pos++; break;
 144                 }
 145             }
 146         }
 147         output( "\t.long 0x%08x\n", mask );
 148     }
 149
 150     /* then the relay thunks */
 151
 152     output( "\t.text\n" );
 153     output( "__wine_spec_relay_entry_points:\n" );
 154     output( "\tnop\n" );  /* to avoid 0 offset */
 155
 156     for (i = spec->base; i <= spec->limit; i++)
 157     {
 158         ORDDEF *odp = spec->ordinals[i];
 159
 160         if (!needs_relay( odp )) continue;
 161
 162         output( "\t.align %d\n", get_alignment(4) );
 163         output( ".L__wine_spec_relay_entry_point_%d:\n", i );
 164
 165         args = get_args_size(odp) / get_ptr_size();
 166         flags = 0;
 167
 168         switch (target_cpu)
 169         {
 170         case CPU_x86:
 171             if (odp->type == TYPE_THISCALL)  /* add the this pointer */
 172             {
 173                 output( "\tpopl %%eax\n" );
 174                 output( "\tpushl %%ecx\n" );
 175                 output( "\tpushl %%eax\n" );
 176                 flags |= 2;
 177             }
 178             if (odp->flags & FLAG_REGISTER)
 179                 output( "\tpushl %%eax\n" );
 180             else
 181                 output( "\tpushl %%esp\n" );
 182
 183             if (odp->flags & FLAG_RET64) flags |= 1;
 184             output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) );
 185
 186             if (UsePIC)
 187             {
 188                 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
 189                 output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
 190             }
 191             else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
 192             output( "\tpushl %%eax\n" );
 193
 194             if (odp->flags & FLAG_REGISTER)
 195             {
 196                 output( "\tcall *8(%%eax)\n" );
 197             }
 198             else
 199             {
 200                 output( "\tcall *4(%%eax)\n" );
 201                 if (odp->type == TYPE_STDCALL || odp->type == TYPE_THISCALL)
 202                     output( "\tret $%u\n", args * get_ptr_size() );
 203                 else
 204                     output( "\tret\n" );
 205             }
 206             break;
 207
 208         case CPU_x86_64:
 209             output( "\t.cfi_startproc\n" );
 210             output( "\tsubq $40,%%rsp\n" );
 211             output( "\t.cfi_adjust_cfa_offset 40\n" );
 212             switch (args)
 213             {
 214             default: output( "\tmovq %%%s,72(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" );
 215             /* fall through */
 216             case 3:  output( "\tmovq %%%s,64(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" );
 217             /* fall through */
 218             case 2:  output( "\tmovq %%%s,56(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" );
 219             /* fall through */
 220             case 1:  output( "\tmovq %%%s,48(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" );
 221             /* fall through */
 222             case 0:  break;
 223             }
 224             output( "\tleaq 40(%%rsp),%%r8\n" );
 225             output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) );
 226             output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
 227             output( "\tcallq *8(%%rcx)\n" );
 228             output( "\taddq $40,%%rsp\n" );
 229             output( "\t.cfi_adjust_cfa_offset -40\n" );
 230             output( "\tret\n" );
 231             output( "\t.cfi_endproc\n" );
 232             break;
 233
 234         default:
 235             assert(0);
 236         }
 237     }
 238 }
 239
 240 /*******************************************************************
 241  *         output_exports
 242  *
 243  * Output the export table for a Win32 module.
 244  */
 245 void output_exports( DLLSPEC *spec )
 246 {
 247     int i, fwd_size = 0;
 248     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 249
 250     if (!nr_exports) return;
 251
 252     output( "\n/* export table */\n\n" );
 253     output( "\t.data\n" );
 254     output( "\t.align %d\n", get_alignment(4) );
 255     output( ".L__wine_spec_exports:\n" );
 256
 257     /* export directory header */
 258
 259     output( "\t.long 0\n" );                       /* Characteristics */
 260     output( "\t.long 0\n" );                       /* TimeDateStamp */
 261     output( "\t.long 0\n" );                       /* MajorVersion/MinorVersion */
 262     output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
 263     output( "\t.long %u\n", spec->base );          /* Base */
 264     output( "\t.long %u\n", nr_exports );          /* NumberOfFunctions */
 265     output( "\t.long %u\n", spec->nb_names );      /* NumberOfNames */
 266     output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
 267     if (spec->nb_names)
 268     {
 269         output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
 270         output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" );  /* AddressOfNameOrdinals */
 271     }
 272     else
 273     {
 274         output( "\t.long 0\n" );  /* AddressOfNames */
 275         output( "\t.long 0\n" );  /* AddressOfNameOrdinals */
 276     }
 277
 278     /* output the function pointers */
 279
 280     output( "\n.L__wine_spec_exports_funcs:\n" );
 281     for (i = spec->base; i <= spec->limit; i++)
 282     {
 283         ORDDEF *odp = spec->ordinals[i];
 284         if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
 285         else switch(odp->type)
 286         {
 287         case TYPE_EXTERN:
 288         case TYPE_STDCALL:
 289         case TYPE_VARARGS:
 290         case TYPE_CDECL:
 291         case TYPE_THISCALL:
 292             if (odp->flags & FLAG_FORWARD)
 293             {
 294                 output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
 295                 fwd_size += strlen(odp->link_name) + 1;
 296             }
 297             else if (odp->flags & FLAG_EXT_LINK)
 298             {
 299                 output( "\t%s %s_%s\n",
 300                          get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
 301             }
 302             else
 303             {
 304                 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
 305             }
 306             break;
 307         case TYPE_STUB:
 308             output( "\t%s %s\n", get_asm_ptr_keyword(),
 309                      asm_name( get_stub_name( odp, spec )) );
 310             break;
 311         default:
 312             assert(0);
 313         }
 314     }
 315
 316     if (spec->nb_names)
 317     {
 318         /* output the function name pointers */
 319
 320         int namepos = strlen(spec->file_name) + 1;
 321
 322         output( "\n.L__wine_spec_exp_name_ptrs:\n" );
 323         for (i = 0; i < spec->nb_names; i++)
 324         {
 325             output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
 326             namepos += strlen(spec->names[i]->name) + 1;
 327         }
 328
 329         /* output the function ordinals */
 330
 331         output( "\n.L__wine_spec_exp_ordinals:\n" );
 332         for (i = 0; i < spec->nb_names; i++)
 333         {
 334             output( "\t%s %d\n",
 335                      get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
 336         }
 337         if (spec->nb_names % 2)
 338         {
 339             output( "\t%s 0\n", get_asm_short_keyword() );
 340         }
 341     }
 342
 343     /* output the export name strings */
 344
 345     output( "\n.L__wine_spec_exp_names:\n" );
 346     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 347     for (i = 0; i < spec->nb_names; i++)
 348         output( "\t%s \"%s\"\n",
 349                  get_asm_string_keyword(), spec->names[i]->name );
 350
 351     /* output forward strings */
 352
 353     if (fwd_size)
 354     {
 355         output( "\n.L__wine_spec_forwards:\n" );
 356         for (i = spec->base; i <= spec->limit; i++)
 357         {
 358             ORDDEF *odp = spec->ordinals[i];
 359             if (odp && (odp->flags & FLAG_FORWARD))
 360                 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
 361         }
 362     }
 363     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 364     output( ".L__wine_spec_exports_end:\n" );
 365
 366     /* output relays */
 367
 368     if (!has_relays( spec ))
 369     {
 370         output( "\t%s 0\n", get_asm_ptr_keyword() );
 371         return;
 372     }
 373
 374     output( ".L__wine_spec_relay_descr:\n" );
 375     output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() );  /* magic */
 376     output( "\t%s 0,0\n", get_asm_ptr_keyword() );         /* relay funcs */
 377     output( "\t%s 0\n", get_asm_ptr_keyword() );           /* private data */
 378     output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
 379     output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
 380     output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
 381
 382     output_relay_debug( spec );
 383 }
 384
 385
 386 /*******************************************************************
 387  *         output_asm_constructor
 388  *
 389  * Output code for calling a dll constructor.
 390  */
 391 static void output_asm_constructor( const char *constructor )
 392 {
 393     if (target_platform == PLATFORM_APPLE)
 394     {
 395         /* Mach-O doesn't have an init section */
 396         output( "\n\t.mod_init_func\n" );
 397         output( "\t.align %d\n", get_alignment(4) );
 398         output( "\t.long %s\n", asm_name(constructor) );
 399     }
 400     else
 401     {
 402         output( "\n\t.section \".init\",\"ax\"\n" );
 403         switch(target_cpu)
 404         {
 405         case CPU_x86:
 406         case CPU_x86_64:
 407             output( "\tcall %s\n", asm_name(constructor) );
 408             break;
 409         case CPU_SPARC:
 410             output( "\tcall %s\n", asm_name(constructor) );
 411             output( "\tnop\n" );
 412             break;
 413         case CPU_ARM:
 414         case CPU_POWERPC:
 415             output( "\tbl %s\n", asm_name(constructor) );
 416             break;
 417         }
 418     }
 419 }
 420
 421
 422 /*******************************************************************
 423  *         output_module
 424  *
 425  * Output the module data.
 426  */
 427 void output_module( DLLSPEC *spec )
 428 {
 429     int machine = 0;
 430     unsigned int page_size = get_page_size();
 431
 432     /* Reserve some space for the PE header */
 433
 434     switch (target_platform)
 435     {
 436     case PLATFORM_APPLE:
 437         output( "\t.text\n" );
 438         output( "\t.align %d\n", get_alignment(page_size) );
 439         output( "__wine_spec_pe_header:\n" );
 440         output( "\t.space 65536\n" );
 441         break;
 442     case PLATFORM_SOLARIS:
 443         output( "\n\t.section \".text\",\"ax\"\n" );
 444         output( "__wine_spec_pe_header:\n" );
 445         output( "\t.skip %u\n", 65536 + page_size );
 446         break;
 447     default:
 448         output( "\n\t.section \".init\",\"ax\"\n" );
 449         switch(target_cpu)
 450         {
 451         case CPU_x86:
 452         case CPU_x86_64:
 453         case CPU_SPARC:
 454             output( "\tjmp 1f\n" );
 455             break;
 456         case CPU_ARM:
 457         case CPU_POWERPC:
 458             output( "\tb 1f\n" );
 459             break;
 460         }
 461         output( "__wine_spec_pe_header:\n" );
 462         output( "\t.skip %u\n", 65536 + page_size );
 463         output( "1:\n" );
 464         break;
 465     }
 466
 467     /* Output the NT header */
 468
 469     output( "\n\t.data\n" );
 470     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 471     output( "%s\n", asm_globl("__wine_spec_nt_header") );
 472     output( ".L__wine_spec_rva_base:\n" );
 473
 474     output( "\t.long 0x4550\n" );         /* Signature */
 475     switch(target_cpu)
 476     {
 477     case CPU_x86:     machine = IMAGE_FILE_MACHINE_I386; break;
 478     case CPU_x86_64:  machine = IMAGE_FILE_MACHINE_AMD64; break;
 479     case CPU_ARM:     machine = IMAGE_FILE_MACHINE_ARM; break;
 480     case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
 481     case CPU_SPARC:   machine = IMAGE_FILE_MACHINE_SPARC; break;
 482     }
 483     output( "\t%s 0x%04x\n",              /* Machine */
 484              get_asm_short_keyword(), machine );
 485     output( "\t%s 0\n",                   /* NumberOfSections */
 486              get_asm_short_keyword() );
 487     output( "\t.long 0\n" );              /* TimeDateStamp */
 488     output( "\t.long 0\n" );              /* PointerToSymbolTable */
 489     output( "\t.long 0\n" );              /* NumberOfSymbols */
 490     output( "\t%s %d\n",                  /* SizeOfOptionalHeader */
 491              get_asm_short_keyword(),
 492              get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
 493     output( "\t%s 0x%04x\n",              /* Characteristics */
 494              get_asm_short_keyword(), spec->characteristics );
 495     output( "\t%s 0x%04x\n",              /* Magic */
 496              get_asm_short_keyword(),
 497              get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
 498     output( "\t.byte 0\n" );              /* MajorLinkerVersion */
 499     output( "\t.byte 0\n" );              /* MinorLinkerVersion */
 500     output( "\t.long 0\n" );              /* SizeOfCode */
 501     output( "\t.long 0\n" );              /* SizeOfInitializedData */
 502     output( "\t.long 0\n" );              /* SizeOfUninitializedData */
 503     /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
 504     output( "\t%s %s\n",                  /* AddressOfEntryPoint */
 505             get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" );
 506     if (get_ptr_size() == 4)
 507     {
 508         output( "\t.long 0\n" );          /* BaseOfCode */
 509         output( "\t.long 0\n" );          /* BaseOfData */
 510     }
 511     output( "\t%s __wine_spec_pe_header\n",         /* ImageBase */
 512              get_asm_ptr_keyword() );
 513     output( "\t.long %u\n", page_size );  /* SectionAlignment */
 514     output( "\t.long %u\n", page_size );  /* FileAlignment */
 515     output( "\t%s 1,0\n",                 /* Major/MinorOperatingSystemVersion */
 516              get_asm_short_keyword() );
 517     output( "\t%s 0,0\n",                 /* Major/MinorImageVersion */
 518              get_asm_short_keyword() );
 519     output( "\t%s %u,%u\n",               /* Major/MinorSubsystemVersion */
 520              get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
 521     output( "\t.long 0\n" );                          /* Win32VersionValue */
 522     output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
 523              asm_name("_end") );
 524     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
 525     output( "\t.long 0\n" );              /* CheckSum */
 526     output( "\t%s 0x%04x\n",              /* Subsystem */
 527              get_asm_short_keyword(), spec->subsystem );
 528     output( "\t%s 0x%04x\n",              /* DllCharacteristics */
 529             get_asm_short_keyword(), spec->dll_characteristics );
 530     output( "\t%s %u,%u\n",               /* SizeOfStackReserve/Commit */
 531              get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 532     output( "\t%s %u,%u\n",               /* SizeOfHeapReserve/Commit */
 533              get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 534     output( "\t.long 0\n" );              /* LoaderFlags */
 535     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 536
 537     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 538         output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
 539                  ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
 540     else
 541         output( "\t.long 0,0\n" );
 542
 543     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 544         output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
 545                  ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
 546     else
 547         output( "\t.long 0,0\n" );
 548
 549     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 550         output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
 551                  ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
 552     else
 553         output( "\t.long 0,0\n" );
 554
 555     output( "\t.long 0,0\n" );  /* DataDirectory[3] */
 556     output( "\t.long 0,0\n" );  /* DataDirectory[4] */
 557     output( "\t.long 0,0\n" );  /* DataDirectory[5] */
 558     output( "\t.long 0,0\n" );  /* DataDirectory[6] */
 559     output( "\t.long 0,0\n" );  /* DataDirectory[7] */
 560     output( "\t.long 0,0\n" );  /* DataDirectory[8] */
 561     output( "\t.long 0,0\n" );  /* DataDirectory[9] */
 562     output( "\t.long 0,0\n" );  /* DataDirectory[10] */
 563     output( "\t.long 0,0\n" );  /* DataDirectory[11] */
 564     output( "\t.long 0,0\n" );  /* DataDirectory[12] */
 565     output( "\t.long 0,0\n" );  /* DataDirectory[13] */
 566     output( "\t.long 0,0\n" );  /* DataDirectory[14] */
 567     output( "\t.long 0,0\n" );  /* DataDirectory[15] */
 568
 569     output( "\n\t%s\n", get_asm_string_section() );
 570     output( "%s\n", asm_globl("__wine_spec_file_name") );
 571     output( ".L__wine_spec_file_name:\n" );
 572     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 573     if (target_platform == PLATFORM_APPLE)
 574         output( "\t.lcomm %s,4\n", asm_name("_end") );
 575
 576     output_asm_constructor( "__wine_spec_init_ctor" );
 577 }
 578
 579
 580 /*******************************************************************
 581  *         BuildSpec32File
 582  *
 583  * Build a Win32 C file from a spec file.
 584  */
 585 void BuildSpec32File( DLLSPEC *spec )
 586 {
 587     resolve_imports( spec );
 588     output_standard_file_header();
 589     output_module( spec );
 590     output_stubs( spec );
 591     output_exports( spec );
 592     output_imports( spec );
 593     if (is_undefined( "__wine_call_from_regs" )) output_asm_relays();
 594     output_resources( spec );
 595     output_gnu_stack_note();
 596 }
 597
 598
 599 /*******************************************************************
 600  *         output_fake_module
 601  *
 602  * Build a fake binary module from a spec file.
 603  */
 604 void output_fake_module( DLLSPEC *spec )
 605 {
 606     static const unsigned char dll_code_section[] = { 0x31, 0xc0,          /* xor %eax,%eax */
 607                                                       0xc2, 0x0c, 0x00 };  /* ret $12 */
 608
 609     static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00,  /* movl $1,%eax */
 610                                                       0xc2, 0x04, 0x00 };            /* ret $4 */
 611
 612     static const char fakedll_signature[] = "Wine placeholder DLL";
 613     const unsigned int page_size = get_page_size();
 614     const unsigned int section_align = page_size;
 615     const unsigned int file_align = 0x200;
 616     const unsigned int reloc_size = 8;
 617     const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
 618     const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
 619     const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
 620                                     sizeof(dll_code_section) : sizeof(exe_code_section);
 621     unsigned char *resources;
 622     unsigned int resources_size;
 623     unsigned int image_size = 3 * section_align;
 624
 625     resolve_imports( spec );
 626     output_bin_resources( spec, 3 * section_align );
 627     resources = output_buffer;
 628     resources_size = output_buffer_pos;
 629     if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
 630
 631     init_output_buffer();
 632
 633     put_word( 0x5a4d );       /* e_magic */
 634     put_word( 0x40 );         /* e_cblp */
 635     put_word( 0x01 );         /* e_cp */
 636     put_word( 0 );            /* e_crlc */
 637     put_word( lfanew / 16 );  /* e_cparhdr */
 638     put_word( 0x0000 );       /* e_minalloc */
 639     put_word( 0xffff );       /* e_maxalloc */
 640     put_word( 0x0000 );       /* e_ss */
 641     put_word( 0x00b8 );       /* e_sp */
 642     put_word( 0 );            /* e_csum */
 643     put_word( 0 );            /* e_ip */
 644     put_word( 0 );            /* e_cs */
 645     put_word( lfanew );       /* e_lfarlc */
 646     put_word( 0 );            /* e_ovno */
 647     put_dword( 0 );           /* e_res */
 648     put_dword( 0 );
 649     put_word( 0 );            /* e_oemid */
 650     put_word( 0 );            /* e_oeminfo */
 651     put_dword( 0 );           /* e_res2 */
 652     put_dword( 0 );
 653     put_dword( 0 );
 654     put_dword( 0 );
 655     put_dword( 0 );
 656     put_dword( lfanew );
 657
 658     put_data( fakedll_signature, sizeof(fakedll_signature) );
 659     align_output( 16 );
 660
 661     put_dword( 0x4550 );                             /* Signature */
 662     switch(target_cpu)
 663     {
 664     case CPU_x86:     put_word( IMAGE_FILE_MACHINE_I386 ); break;
 665     case CPU_x86_64:  put_word( IMAGE_FILE_MACHINE_AMD64 ); break;
 666     case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break;
 667     case CPU_SPARC:   put_word( IMAGE_FILE_MACHINE_SPARC ); break;
 668     case CPU_ARM:     put_word( IMAGE_FILE_MACHINE_ARM ); break;
 669     }
 670     put_word( nb_sections );                         /* NumberOfSections */
 671     put_dword( 0 );                                  /* TimeDateStamp */
 672     put_dword( 0 );                                  /* PointerToSymbolTable */
 673     put_dword( 0 );                                  /* NumberOfSymbols */
 674     put_word( get_ptr_size() == 8 ?
 675               IMAGE_SIZEOF_NT_OPTIONAL64_HEADER :
 676               IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );   /* SizeOfOptionalHeader */
 677     put_word( spec->characteristics );               /* Characteristics */
 678     put_word( get_ptr_size() == 8 ?
 679               IMAGE_NT_OPTIONAL_HDR64_MAGIC :
 680               IMAGE_NT_OPTIONAL_HDR32_MAGIC );       /* Magic */
 681     put_byte(  0 );                                  /* MajorLinkerVersion */
 682     put_byte(  0 );                                  /* MinorLinkerVersion */
 683     put_dword( text_size );                          /* SizeOfCode */
 684     put_dword( 0 );                                  /* SizeOfInitializedData */
 685     put_dword( 0 );                                  /* SizeOfUninitializedData */
 686     put_dword( section_align );                      /* AddressOfEntryPoint */
 687     put_dword( section_align );                      /* BaseOfCode */
 688     if (get_ptr_size() == 4) put_dword( 0 );         /* BaseOfData */
 689     put_pword( 0x10000000 );                         /* ImageBase */
 690     put_dword( section_align );                      /* SectionAlignment */
 691     put_dword( file_align );                         /* FileAlignment */
 692     put_word( 1 );                                   /* MajorOperatingSystemVersion */
 693     put_word( 0 );                                   /* MinorOperatingSystemVersion */
 694     put_word( 0 );                                   /* MajorImageVersion */
 695     put_word( 0 );                                   /* MinorImageVersion */
 696     put_word( spec->subsystem_major );               /* MajorSubsystemVersion */
 697     put_word( spec->subsystem_minor );               /* MinorSubsystemVersion */
 698     put_dword( 0 );                                  /* Win32VersionValue */
 699     put_dword( image_size );                         /* SizeOfImage */
 700     put_dword( file_align );                         /* SizeOfHeaders */
 701     put_dword( 0 );                                  /* CheckSum */
 702     put_word( spec->subsystem );                     /* Subsystem */
 703     put_word( spec->dll_characteristics );           /* DllCharacteristics */
 704     put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */
 705     put_pword( page_size );                          /* SizeOfStackCommit */
 706     put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 );   /* SizeOfHeapReserve */
 707     put_pword( page_size );                          /* SizeOfHeapCommit */
 708     put_dword( 0 );                                  /* LoaderFlags */
 709     put_dword( 16 );                                 /* NumberOfRvaAndSizes */
 710
 711     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 712     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 713     if (resources_size)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 714     {
 715         put_dword( 3 * section_align );
 716         put_dword( resources_size );
 717     }
 718     else
 719     {
 720         put_dword( 0 );
 721         put_dword( 0 );
 722     }
 723
 724     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
 725     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
 726     put_dword( 2 * section_align );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
 727     put_dword( reloc_size );
 728     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
 729     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
 730     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
 731     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
 732     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
 733     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
 734     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
 735     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
 736     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
 737     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[15] */
 738
 739     /* .text section */
 740     put_data( ".text\0\0", 8 );    /* Name */
 741     put_dword( section_align );    /* VirtualSize */
 742     put_dword( section_align );    /* VirtualAddress */
 743     put_dword( text_size );        /* SizeOfRawData */
 744     put_dword( file_align );       /* PointerToRawData */
 745     put_dword( 0 );                /* PointerToRelocations */
 746     put_dword( 0 );                /* PointerToLinenumbers */
 747     put_word( 0 );                 /* NumberOfRelocations */
 748     put_word( 0 );                 /* NumberOfLinenumbers */
 749     put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics  */
 750
 751     /* .reloc section */
 752     put_data( ".reloc\0", 8 );     /* Name */
 753     put_dword( section_align );    /* VirtualSize */
 754     put_dword( 2 * section_align );/* VirtualAddress */
 755     put_dword( reloc_size );       /* SizeOfRawData */
 756     put_dword( 2 * file_align );   /* PointerToRawData */
 757     put_dword( 0 );                /* PointerToRelocations */
 758     put_dword( 0 );                /* PointerToLinenumbers */
 759     put_word( 0 );                 /* NumberOfRelocations */
 760     put_word( 0 );                 /* NumberOfLinenumbers */
 761     put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
 762
 763     /* .rsrc section */
 764     if (resources_size)
 765     {
 766         put_data( ".rsrc\0\0", 8 );    /* Name */
 767         put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
 768         put_dword( 3 * section_align );/* VirtualAddress */
 769         put_dword( resources_size );   /* SizeOfRawData */
 770         put_dword( 3 * file_align );   /* PointerToRawData */
 771         put_dword( 0 );                /* PointerToRelocations */
 772         put_dword( 0 );                /* PointerToLinenumbers */
 773         put_word( 0 );                 /* NumberOfRelocations */
 774         put_word( 0 );                 /* NumberOfLinenumbers */
 775         put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
 776     }
 777
 778     /* .text contents */
 779     align_output( file_align );
 780     if (spec->characteristics & IMAGE_FILE_DLL)
 781         put_data( dll_code_section, sizeof(dll_code_section) );
 782     else
 783         put_data( exe_code_section, sizeof(exe_code_section) );
 784
 785     /* .reloc contents */
 786     align_output( file_align );
 787     put_dword( 0 );   /* VirtualAddress */
 788     put_dword( 0 );   /* SizeOfBlock */
 789
 790     /* .rsrc contents */
 791     if (resources_size)
 792     {
 793         align_output( file_align );
 794         put_data( resources, resources_size );
 795     }
 796     flush_output_buffer();
 797 }
 798
 799
 800 /*******************************************************************
 801  *         output_def_file
 802  *
 803  * Build a Win32 def file from a spec file.
 804  */
 805 void output_def_file( DLLSPEC *spec, int include_private )
 806 {
 807     DLLSPEC *spec32 = NULL;
 808     const char *name;
 809     int i, total;
 810
 811     if (spec->type == SPEC_WIN16)
 812     {
 813         spec32 = alloc_dll_spec();
 814         add_16bit_exports( spec32, spec );
 815         spec = spec32;
 816     }
 817
 818     if (spec_file_name)
 819         output( "; File generated automatically from %s; do not edit!\n\n",
 820                  spec_file_name );
 821     else
 822         output( "; File generated automatically; do not edit!\n\n" );
 823
 824     output( "LIBRARY %s\n\n", spec->file_name);
 825     output( "EXPORTS\n");
 826
 827     /* Output the exports and relay entry points */
 828
 829     for (i = total = 0; i < spec->nb_entry_points; i++)
 830     {
 831         const ORDDEF *odp = &spec->entry_points[i];
 832         int is_data = 0;
 833
 834         if (!odp) continue;
 835
 836         if (odp->name) name = odp->name;
 837         else if (odp->export_name) name = odp->export_name;
 838         else continue;
 839
 840         if (!(odp->flags & FLAG_PRIVATE)) total++;
 841         else if (!include_private) continue;
 842
 843         if (odp->type == TYPE_STUB) continue;
 844
 845         output( "  %s", name );
 846
 847         switch(odp->type)
 848         {
 849         case TYPE_EXTERN:
 850             is_data = 1;
 851             /* fall through */
 852         case TYPE_VARARGS:
 853         case TYPE_CDECL:
 854         case TYPE_THISCALL:
 855             /* try to reduce output */
 856             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 857                 output( "=%s", odp->link_name );
 858             break;
 859         case TYPE_STDCALL:
 860         {
 861             int at_param = get_args_size( odp );
 862             if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 863             if  (odp->flags & FLAG_FORWARD)
 864             {
 865                 output( "=%s", odp->link_name );
 866             }
 867             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 868             {
 869                 output( "=%s", odp->link_name );
 870                 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 871             }
 872             break;
 873         }
 874         default:
 875             assert(0);
 876         }
 877         output( " @%d", odp->ordinal );
 878         if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
 879         if (is_data) output( " DATA" );
 880         if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
 881         output( "\n" );
 882     }
 883     if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
 884     if (spec32) free_dll_spec( spec32 );
 885 }