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_ARMV7   0x01C4
  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         output_cfi( ".cfi_startproc" );
 165
 166         args = get_args_size(odp) / get_ptr_size();
 167         flags = 0;
 168
 169         switch (target_cpu)
 170         {
 171         case CPU_x86:
 172             if (odp->type == TYPE_THISCALL)  /* add the this pointer */
 173             {
 174                 output( "\tpopl %%eax\n" );
 175                 output( "\tpushl %%ecx\n" );
 176                 output( "\tpushl %%eax\n" );
 177                 flags |= 2;
 178             }
 179             if (odp->flags & FLAG_REGISTER)
 180                 output( "\tpushl %%eax\n" );
 181             else
 182                 output( "\tpushl %%esp\n" );
 183             output_cfi( ".cfi_adjust_cfa_offset 4" );
 184
 185             if (odp->flags & FLAG_RET64) flags |= 1;
 186             output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) );
 187             output_cfi( ".cfi_adjust_cfa_offset 4" );
 188
 189             if (UsePIC)
 190             {
 191                 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
 192                 output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
 193             }
 194             else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
 195             output( "\tpushl %%eax\n" );
 196             output_cfi( ".cfi_adjust_cfa_offset 4" );
 197
 198             if (odp->flags & FLAG_REGISTER)
 199             {
 200                 output( "\tcall *8(%%eax)\n" );
 201             }
 202             else
 203             {
 204                 output( "\tcall *4(%%eax)\n" );
 205                 output_cfi( ".cfi_adjust_cfa_offset -12" );
 206                 if (odp->type == TYPE_STDCALL || odp->type == TYPE_THISCALL)
 207                     output( "\tret $%u\n", args * get_ptr_size() );
 208                 else
 209                     output( "\tret\n" );
 210             }
 211             break;
 212
 213         case CPU_x86_64:
 214             output( "\tsubq $40,%%rsp\n" );
 215             output_cfi( ".cfi_adjust_cfa_offset 40" );
 216             switch (args)
 217             {
 218             default: output( "\tmovq %%%s,72(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" );
 219             /* fall through */
 220             case 3:  output( "\tmovq %%%s,64(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" );
 221             /* fall through */
 222             case 2:  output( "\tmovq %%%s,56(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" );
 223             /* fall through */
 224             case 1:  output( "\tmovq %%%s,48(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" );
 225             /* fall through */
 226             case 0:  break;
 227             }
 228             output( "\tleaq 40(%%rsp),%%r8\n" );
 229             output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) );
 230             output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
 231             output( "\tcallq *8(%%rcx)\n" );
 232             output( "\taddq $40,%%rsp\n" );
 233             output_cfi( ".cfi_adjust_cfa_offset -40" );
 234             output( "\tret\n" );
 235             break;
 236
 237         default:
 238             assert(0);
 239         }
 240         output_cfi( ".cfi_endproc" );
 241     }
 242 }
 243
 244 /*******************************************************************
 245  *         output_exports
 246  *
 247  * Output the export table for a Win32 module.
 248  */
 249 void output_exports( DLLSPEC *spec )
 250 {
 251     int i, fwd_size = 0;
 252     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 253
 254     if (!nr_exports) return;
 255
 256     output( "\n/* export table */\n\n" );
 257     output( "\t.data\n" );
 258     output( "\t.align %d\n", get_alignment(4) );
 259     output( ".L__wine_spec_exports:\n" );
 260
 261     /* export directory header */
 262
 263     output( "\t.long 0\n" );                       /* Characteristics */
 264     output( "\t.long 0\n" );                       /* TimeDateStamp */
 265     output( "\t.long 0\n" );                       /* MajorVersion/MinorVersion */
 266     output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
 267     output( "\t.long %u\n", spec->base );          /* Base */
 268     output( "\t.long %u\n", nr_exports );          /* NumberOfFunctions */
 269     output( "\t.long %u\n", spec->nb_names );      /* NumberOfNames */
 270     output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
 271     if (spec->nb_names)
 272     {
 273         output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
 274         output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" );  /* AddressOfNameOrdinals */
 275     }
 276     else
 277     {
 278         output( "\t.long 0\n" );  /* AddressOfNames */
 279         output( "\t.long 0\n" );  /* AddressOfNameOrdinals */
 280     }
 281
 282     /* output the function pointers */
 283
 284     output( "\n.L__wine_spec_exports_funcs:\n" );
 285     for (i = spec->base; i <= spec->limit; i++)
 286     {
 287         ORDDEF *odp = spec->ordinals[i];
 288         if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
 289         else switch(odp->type)
 290         {
 291         case TYPE_EXTERN:
 292         case TYPE_STDCALL:
 293         case TYPE_VARARGS:
 294         case TYPE_CDECL:
 295         case TYPE_THISCALL:
 296             if (odp->flags & FLAG_FORWARD)
 297             {
 298                 output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
 299                 fwd_size += strlen(odp->link_name) + 1;
 300             }
 301             else if (odp->flags & FLAG_EXT_LINK)
 302             {
 303                 output( "\t%s %s_%s\n",
 304                          get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
 305             }
 306             else
 307             {
 308                 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
 309             }
 310             break;
 311         case TYPE_STUB:
 312             output( "\t%s %s\n", get_asm_ptr_keyword(),
 313                      asm_name( get_stub_name( odp, spec )) );
 314             break;
 315         default:
 316             assert(0);
 317         }
 318     }
 319
 320     if (spec->nb_names)
 321     {
 322         /* output the function name pointers */
 323
 324         int namepos = strlen(spec->file_name) + 1;
 325
 326         output( "\n.L__wine_spec_exp_name_ptrs:\n" );
 327         for (i = 0; i < spec->nb_names; i++)
 328         {
 329             output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
 330             namepos += strlen(spec->names[i]->name) + 1;
 331         }
 332
 333         /* output the function ordinals */
 334
 335         output( "\n.L__wine_spec_exp_ordinals:\n" );
 336         for (i = 0; i < spec->nb_names; i++)
 337         {
 338             output( "\t%s %d\n",
 339                      get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
 340         }
 341         if (spec->nb_names % 2)
 342         {
 343             output( "\t%s 0\n", get_asm_short_keyword() );
 344         }
 345     }
 346
 347     /* output the export name strings */
 348
 349     output( "\n.L__wine_spec_exp_names:\n" );
 350     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 351     for (i = 0; i < spec->nb_names; i++)
 352         output( "\t%s \"%s\"\n",
 353                  get_asm_string_keyword(), spec->names[i]->name );
 354
 355     /* output forward strings */
 356
 357     if (fwd_size)
 358     {
 359         output( "\n.L__wine_spec_forwards:\n" );
 360         for (i = spec->base; i <= spec->limit; i++)
 361         {
 362             ORDDEF *odp = spec->ordinals[i];
 363             if (odp && (odp->flags & FLAG_FORWARD))
 364                 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
 365         }
 366     }
 367     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 368     output( ".L__wine_spec_exports_end:\n" );
 369
 370     /* output relays */
 371
 372     if (!has_relays( spec ))
 373     {
 374         output( "\t%s 0\n", get_asm_ptr_keyword() );
 375         return;
 376     }
 377
 378     output( ".L__wine_spec_relay_descr:\n" );
 379     output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() );  /* magic */
 380     output( "\t%s 0,0\n", get_asm_ptr_keyword() );         /* relay funcs */
 381     output( "\t%s 0\n", get_asm_ptr_keyword() );           /* private data */
 382     output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
 383     output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
 384     output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
 385
 386     output_relay_debug( spec );
 387 }
 388
 389
 390 /*******************************************************************
 391  *         output_asm_constructor
 392  *
 393  * Output code for calling a dll constructor.
 394  */
 395 static void output_asm_constructor( const char *constructor )
 396 {
 397     if (target_platform == PLATFORM_APPLE)
 398     {
 399         /* Mach-O doesn't have an init section */
 400         output( "\n\t.mod_init_func\n" );
 401         output( "\t.align %d\n", get_alignment(4) );
 402         output( "\t.long %s\n", asm_name(constructor) );
 403     }
 404     else
 405     {
 406         output( "\n\t.section \".init\",\"ax\"\n" );
 407         switch(target_cpu)
 408         {
 409         case CPU_x86:
 410         case CPU_x86_64:
 411             output( "\tcall %s\n", asm_name(constructor) );
 412             break;
 413         case CPU_SPARC:
 414             output( "\tcall %s\n", asm_name(constructor) );
 415             output( "\tnop\n" );
 416             break;
 417         case CPU_ARM:
 418             output( "\tblx %s\n", asm_name(constructor) );
 419             output( "\t.arm\n" );
 420             break;
 421         case CPU_POWERPC:
 422             output( "\tbl %s\n", asm_name(constructor) );
 423             break;
 424         }
 425     }
 426 }
 427
 428
 429 /*******************************************************************
 430  *         output_module
 431  *
 432  * Output the module data.
 433  */
 434 void output_module( DLLSPEC *spec )
 435 {
 436     int machine = 0;
 437     unsigned int page_size = get_page_size();
 438
 439     /* Reserve some space for the PE header */
 440
 441     switch (target_platform)
 442     {
 443     case PLATFORM_APPLE:
 444         output( "\t.text\n" );
 445         output( "\t.align %d\n", get_alignment(page_size) );
 446         output( "__wine_spec_pe_header:\n" );
 447         output( "\t.space 65536\n" );
 448         break;
 449     case PLATFORM_SOLARIS:
 450         output( "\n\t.section \".text\",\"ax\"\n" );
 451         output( "__wine_spec_pe_header:\n" );
 452         output( "\t.skip %u\n", 65536 + page_size );
 453         break;
 454     default:
 455         output( "\n\t.section \".init\",\"ax\"\n" );
 456         switch(target_cpu)
 457         {
 458         case CPU_x86:
 459         case CPU_x86_64:
 460         case CPU_SPARC:
 461             output( "\tjmp 1f\n" );
 462             break;
 463         case CPU_ARM:
 464             output( "\n\t.syntax unified\n" );
 465             output( "\n\t.thumb\n" );
 466             output( "\tb.w 1f\n" );
 467             break;
 468         case CPU_POWERPC:
 469             output( "\tb 1f\n" );
 470             break;
 471         }
 472         output( "__wine_spec_pe_header:\n" );
 473         output( "\t.skip %u\n", 65536 + page_size );
 474         output( "1:\n" );
 475         break;
 476     }
 477
 478     /* Output the NT header */
 479
 480     output( "\n\t.data\n" );
 481     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 482     output( "%s\n", asm_globl("__wine_spec_nt_header") );
 483     output( ".L__wine_spec_rva_base:\n" );
 484
 485     output( "\t.long 0x4550\n" );         /* Signature */
 486     switch(target_cpu)
 487     {
 488     case CPU_x86:     machine = IMAGE_FILE_MACHINE_I386; break;
 489     case CPU_x86_64:  machine = IMAGE_FILE_MACHINE_AMD64; break;
 490     case CPU_ARM:     machine = IMAGE_FILE_MACHINE_ARMV7; break;
 491     case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
 492     case CPU_SPARC:   machine = IMAGE_FILE_MACHINE_SPARC; break;
 493     }
 494     output( "\t%s 0x%04x\n",              /* Machine */
 495              get_asm_short_keyword(), machine );
 496     output( "\t%s 0\n",                   /* NumberOfSections */
 497              get_asm_short_keyword() );
 498     output( "\t.long 0\n" );              /* TimeDateStamp */
 499     output( "\t.long 0\n" );              /* PointerToSymbolTable */
 500     output( "\t.long 0\n" );              /* NumberOfSymbols */
 501     output( "\t%s %d\n",                  /* SizeOfOptionalHeader */
 502              get_asm_short_keyword(),
 503              get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
 504     output( "\t%s 0x%04x\n",              /* Characteristics */
 505              get_asm_short_keyword(), spec->characteristics );
 506     output( "\t%s 0x%04x\n",              /* Magic */
 507              get_asm_short_keyword(),
 508              get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
 509     output( "\t.byte 0\n" );              /* MajorLinkerVersion */
 510     output( "\t.byte 0\n" );              /* MinorLinkerVersion */
 511     output( "\t.long 0\n" );              /* SizeOfCode */
 512     output( "\t.long 0\n" );              /* SizeOfInitializedData */
 513     output( "\t.long 0\n" );              /* SizeOfUninitializedData */
 514     /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
 515     output( "\t%s %s\n",                  /* AddressOfEntryPoint */
 516             get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" );
 517     if (get_ptr_size() == 4)
 518     {
 519         output( "\t.long 0\n" );          /* BaseOfCode */
 520         output( "\t.long 0\n" );          /* BaseOfData */
 521     }
 522     output( "\t%s __wine_spec_pe_header\n",         /* ImageBase */
 523              get_asm_ptr_keyword() );
 524     output( "\t.long %u\n", page_size );  /* SectionAlignment */
 525     output( "\t.long %u\n", page_size );  /* FileAlignment */
 526     output( "\t%s 1,0\n",                 /* Major/MinorOperatingSystemVersion */
 527              get_asm_short_keyword() );
 528     output( "\t%s 0,0\n",                 /* Major/MinorImageVersion */
 529              get_asm_short_keyword() );
 530     output( "\t%s %u,%u\n",               /* Major/MinorSubsystemVersion */
 531              get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
 532     output( "\t.long 0\n" );                          /* Win32VersionValue */
 533     output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
 534              asm_name("_end") );
 535     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
 536     output( "\t.long 0\n" );              /* CheckSum */
 537     output( "\t%s 0x%04x\n",              /* Subsystem */
 538              get_asm_short_keyword(), spec->subsystem );
 539     output( "\t%s 0x%04x\n",              /* DllCharacteristics */
 540             get_asm_short_keyword(), spec->dll_characteristics );
 541     output( "\t%s %u,%u\n",               /* SizeOfStackReserve/Commit */
 542              get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 543     output( "\t%s %u,%u\n",               /* SizeOfHeapReserve/Commit */
 544              get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 545     output( "\t.long 0\n" );              /* LoaderFlags */
 546     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 547
 548     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 549         output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
 550                  ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
 551     else
 552         output( "\t.long 0,0\n" );
 553
 554     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 555         output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
 556                  ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
 557     else
 558         output( "\t.long 0,0\n" );
 559
 560     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 561         output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
 562                  ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
 563     else
 564         output( "\t.long 0,0\n" );
 565
 566     output( "\t.long 0,0\n" );  /* DataDirectory[3] */
 567     output( "\t.long 0,0\n" );  /* DataDirectory[4] */
 568     output( "\t.long 0,0\n" );  /* DataDirectory[5] */
 569     output( "\t.long 0,0\n" );  /* DataDirectory[6] */
 570     output( "\t.long 0,0\n" );  /* DataDirectory[7] */
 571     output( "\t.long 0,0\n" );  /* DataDirectory[8] */
 572     output( "\t.long 0,0\n" );  /* DataDirectory[9] */
 573     output( "\t.long 0,0\n" );  /* DataDirectory[10] */
 574     output( "\t.long 0,0\n" );  /* DataDirectory[11] */
 575     output( "\t.long 0,0\n" );  /* DataDirectory[12] */
 576     output( "\t.long 0,0\n" );  /* DataDirectory[13] */
 577     output( "\t.long 0,0\n" );  /* DataDirectory[14] */
 578     output( "\t.long 0,0\n" );  /* DataDirectory[15] */
 579
 580     output( "\n\t%s\n", get_asm_string_section() );
 581     output( "%s\n", asm_globl("__wine_spec_file_name") );
 582     output( ".L__wine_spec_file_name:\n" );
 583     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 584     if (target_platform == PLATFORM_APPLE)
 585         output( "\t.lcomm %s,4\n", asm_name("_end") );
 586
 587     output_asm_constructor( "__wine_spec_init_ctor" );
 588 }
 589
 590
 591 /*******************************************************************
 592  *         BuildSpec32File
 593  *
 594  * Build a Win32 C file from a spec file.
 595  */
 596 void BuildSpec32File( DLLSPEC *spec )
 597 {
 598     resolve_imports( spec );
 599     output_standard_file_header();
 600     output_module( spec );
 601     output_stubs( spec );
 602     output_exports( spec );
 603     output_imports( spec );
 604     if (is_undefined( "__wine_call_from_regs" )) output_asm_relays();
 605     output_resources( spec );
 606     output_gnu_stack_note();
 607 }
 608
 609
 610 /*******************************************************************
 611  *         output_fake_module
 612  *
 613  * Build a fake binary module from a spec file.
 614  */
 615 void output_fake_module( DLLSPEC *spec )
 616 {
 617     static const unsigned char dll_code_section[] = { 0x31, 0xc0,          /* xor %eax,%eax */
 618                                                       0xc2, 0x0c, 0x00 };  /* ret $12 */
 619
 620     static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00,  /* movl $1,%eax */
 621                                                       0xc2, 0x04, 0x00 };            /* ret $4 */
 622
 623     static const char fakedll_signature[] = "Wine placeholder DLL";
 624     const unsigned int page_size = get_page_size();
 625     const unsigned int section_align = page_size;
 626     const unsigned int file_align = 0x200;
 627     const unsigned int reloc_size = 8;
 628     const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
 629     const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
 630     const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
 631                                     sizeof(dll_code_section) : sizeof(exe_code_section);
 632     unsigned char *resources;
 633     unsigned int resources_size;
 634     unsigned int image_size = 3 * section_align;
 635
 636     resolve_imports( spec );
 637     output_bin_resources( spec, 3 * section_align );
 638     resources = output_buffer;
 639     resources_size = output_buffer_pos;
 640     if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
 641
 642     init_output_buffer();
 643
 644     put_word( 0x5a4d );       /* e_magic */
 645     put_word( 0x40 );         /* e_cblp */
 646     put_word( 0x01 );         /* e_cp */
 647     put_word( 0 );            /* e_crlc */
 648     put_word( lfanew / 16 );  /* e_cparhdr */
 649     put_word( 0x0000 );       /* e_minalloc */
 650     put_word( 0xffff );       /* e_maxalloc */
 651     put_word( 0x0000 );       /* e_ss */
 652     put_word( 0x00b8 );       /* e_sp */
 653     put_word( 0 );            /* e_csum */
 654     put_word( 0 );            /* e_ip */
 655     put_word( 0 );            /* e_cs */
 656     put_word( lfanew );       /* e_lfarlc */
 657     put_word( 0 );            /* e_ovno */
 658     put_dword( 0 );           /* e_res */
 659     put_dword( 0 );
 660     put_word( 0 );            /* e_oemid */
 661     put_word( 0 );            /* e_oeminfo */
 662     put_dword( 0 );           /* e_res2 */
 663     put_dword( 0 );
 664     put_dword( 0 );
 665     put_dword( 0 );
 666     put_dword( 0 );
 667     put_dword( lfanew );
 668
 669     put_data( fakedll_signature, sizeof(fakedll_signature) );
 670     align_output( 16 );
 671
 672     put_dword( 0x4550 );                             /* Signature */
 673     switch(target_cpu)
 674     {
 675     case CPU_x86:     put_word( IMAGE_FILE_MACHINE_I386 ); break;
 676     case CPU_x86_64:  put_word( IMAGE_FILE_MACHINE_AMD64 ); break;
 677     case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break;
 678     case CPU_SPARC:   put_word( IMAGE_FILE_MACHINE_SPARC ); break;
 679     case CPU_ARM:     put_word( IMAGE_FILE_MACHINE_ARMV7 ); break;
 680     }
 681     put_word( nb_sections );                         /* NumberOfSections */
 682     put_dword( 0 );                                  /* TimeDateStamp */
 683     put_dword( 0 );                                  /* PointerToSymbolTable */
 684     put_dword( 0 );                                  /* NumberOfSymbols */
 685     put_word( get_ptr_size() == 8 ?
 686               IMAGE_SIZEOF_NT_OPTIONAL64_HEADER :
 687               IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );   /* SizeOfOptionalHeader */
 688     put_word( spec->characteristics );               /* Characteristics */
 689     put_word( get_ptr_size() == 8 ?
 690               IMAGE_NT_OPTIONAL_HDR64_MAGIC :
 691               IMAGE_NT_OPTIONAL_HDR32_MAGIC );       /* Magic */
 692     put_byte(  0 );                                  /* MajorLinkerVersion */
 693     put_byte(  0 );                                  /* MinorLinkerVersion */
 694     put_dword( text_size );                          /* SizeOfCode */
 695     put_dword( 0 );                                  /* SizeOfInitializedData */
 696     put_dword( 0 );                                  /* SizeOfUninitializedData */
 697     put_dword( section_align );                      /* AddressOfEntryPoint */
 698     put_dword( section_align );                      /* BaseOfCode */
 699     if (get_ptr_size() == 4) put_dword( 0 );         /* BaseOfData */
 700     put_pword( 0x10000000 );                         /* ImageBase */
 701     put_dword( section_align );                      /* SectionAlignment */
 702     put_dword( file_align );                         /* FileAlignment */
 703     put_word( 1 );                                   /* MajorOperatingSystemVersion */
 704     put_word( 0 );                                   /* MinorOperatingSystemVersion */
 705     put_word( 0 );                                   /* MajorImageVersion */
 706     put_word( 0 );                                   /* MinorImageVersion */
 707     put_word( spec->subsystem_major );               /* MajorSubsystemVersion */
 708     put_word( spec->subsystem_minor );               /* MinorSubsystemVersion */
 709     put_dword( 0 );                                  /* Win32VersionValue */
 710     put_dword( image_size );                         /* SizeOfImage */
 711     put_dword( file_align );                         /* SizeOfHeaders */
 712     put_dword( 0 );                                  /* CheckSum */
 713     put_word( spec->subsystem );                     /* Subsystem */
 714     put_word( spec->dll_characteristics );           /* DllCharacteristics */
 715     put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */
 716     put_pword( page_size );                          /* SizeOfStackCommit */
 717     put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 );   /* SizeOfHeapReserve */
 718     put_pword( page_size );                          /* SizeOfHeapCommit */
 719     put_dword( 0 );                                  /* LoaderFlags */
 720     put_dword( 16 );                                 /* NumberOfRvaAndSizes */
 721
 722     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 723     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 724     if (resources_size)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 725     {
 726         put_dword( 3 * section_align );
 727         put_dword( resources_size );
 728     }
 729     else
 730     {
 731         put_dword( 0 );
 732         put_dword( 0 );
 733     }
 734
 735     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
 736     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
 737     put_dword( 2 * section_align );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
 738     put_dword( reloc_size );
 739     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
 740     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
 741     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
 742     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
 743     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
 744     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
 745     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
 746     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
 747     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
 748     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[15] */
 749
 750     /* .text section */
 751     put_data( ".text\0\0", 8 );    /* Name */
 752     put_dword( section_align );    /* VirtualSize */
 753     put_dword( section_align );    /* VirtualAddress */
 754     put_dword( text_size );        /* SizeOfRawData */
 755     put_dword( file_align );       /* PointerToRawData */
 756     put_dword( 0 );                /* PointerToRelocations */
 757     put_dword( 0 );                /* PointerToLinenumbers */
 758     put_word( 0 );                 /* NumberOfRelocations */
 759     put_word( 0 );                 /* NumberOfLinenumbers */
 760     put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics  */
 761
 762     /* .reloc section */
 763     put_data( ".reloc\0", 8 );     /* Name */
 764     put_dword( section_align );    /* VirtualSize */
 765     put_dword( 2 * section_align );/* VirtualAddress */
 766     put_dword( reloc_size );       /* SizeOfRawData */
 767     put_dword( 2 * file_align );   /* PointerToRawData */
 768     put_dword( 0 );                /* PointerToRelocations */
 769     put_dword( 0 );                /* PointerToLinenumbers */
 770     put_word( 0 );                 /* NumberOfRelocations */
 771     put_word( 0 );                 /* NumberOfLinenumbers */
 772     put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
 773
 774     /* .rsrc section */
 775     if (resources_size)
 776     {
 777         put_data( ".rsrc\0\0", 8 );    /* Name */
 778         put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
 779         put_dword( 3 * section_align );/* VirtualAddress */
 780         put_dword( resources_size );   /* SizeOfRawData */
 781         put_dword( 3 * file_align );   /* PointerToRawData */
 782         put_dword( 0 );                /* PointerToRelocations */
 783         put_dword( 0 );                /* PointerToLinenumbers */
 784         put_word( 0 );                 /* NumberOfRelocations */
 785         put_word( 0 );                 /* NumberOfLinenumbers */
 786         put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
 787     }
 788
 789     /* .text contents */
 790     align_output( file_align );
 791     if (spec->characteristics & IMAGE_FILE_DLL)
 792         put_data( dll_code_section, sizeof(dll_code_section) );
 793     else
 794         put_data( exe_code_section, sizeof(exe_code_section) );
 795
 796     /* .reloc contents */
 797     align_output( file_align );
 798     put_dword( 0 );   /* VirtualAddress */
 799     put_dword( 0 );   /* SizeOfBlock */
 800
 801     /* .rsrc contents */
 802     if (resources_size)
 803     {
 804         align_output( file_align );
 805         put_data( resources, resources_size );
 806     }
 807     flush_output_buffer();
 808 }
 809
 810
 811 /*******************************************************************
 812  *         output_def_file
 813  *
 814  * Build a Win32 def file from a spec file.
 815  */
 816 void output_def_file( DLLSPEC *spec, int include_private )
 817 {
 818     DLLSPEC *spec32 = NULL;
 819     const char *name;
 820     int i, total;
 821
 822     if (spec->type == SPEC_WIN16)
 823     {
 824         spec32 = alloc_dll_spec();
 825         add_16bit_exports( spec32, spec );
 826         spec = spec32;
 827     }
 828
 829     if (spec_file_name)
 830         output( "; File generated automatically from %s; do not edit!\n\n",
 831                  spec_file_name );
 832     else
 833         output( "; File generated automatically; do not edit!\n\n" );
 834
 835     output( "LIBRARY %s\n\n", spec->file_name);
 836     output( "EXPORTS\n");
 837
 838     /* Output the exports and relay entry points */
 839
 840     for (i = total = 0; i < spec->nb_entry_points; i++)
 841     {
 842         const ORDDEF *odp = &spec->entry_points[i];
 843         int is_data = 0;
 844
 845         if (!odp) continue;
 846
 847         if (odp->name) name = odp->name;
 848         else if (odp->export_name) name = odp->export_name;
 849         else continue;
 850
 851         if (!(odp->flags & FLAG_PRIVATE)) total++;
 852         else if (!include_private) continue;
 853
 854         if (odp->type == TYPE_STUB) continue;
 855
 856         output( "  %s", name );
 857
 858         switch(odp->type)
 859         {
 860         case TYPE_EXTERN:
 861             is_data = 1;
 862             /* fall through */
 863         case TYPE_VARARGS:
 864         case TYPE_CDECL:
 865         case TYPE_THISCALL:
 866             /* try to reduce output */
 867             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 868                 output( "=%s", odp->link_name );
 869             break;
 870         case TYPE_STDCALL:
 871         {
 872             int at_param = get_args_size( odp );
 873             if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 874             if  (odp->flags & FLAG_FORWARD)
 875             {
 876                 output( "=%s", odp->link_name );
 877             }
 878             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 879             {
 880                 output( "=%s", odp->link_name );
 881                 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 882             }
 883             break;
 884         }
 885         default:
 886             assert(0);
 887         }
 888         output( " @%d", odp->ordinal );
 889         if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
 890         if (is_data) output( " DATA" );
 891         if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
 892         output( "\n" );
 893     }
 894     if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
 895     if (spec32) free_dll_spec( spec32 );
 896 }