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_ARMNT   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 && target_cpu != CPU_ARM) 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_ARM:
 214             switch (args)
 215             {
 216             default: output( "\tpush {r0-r3}\n" ); break;
 217             case 3:  output( "\tpush {r0-r2}\n" ); break;
 218             case 2:  output( "\tpush {r0-r1}\n" ); break;
 219             case 1:  output( "\tpush {r0}\n" ); break;
 220             case 0:  break;
 221             }
 222             output( "\tpush {LR}\n" );
 223             output( "\tmov r2, SP\n");
 224             if (odp->flags & FLAG_RET64) flags |= 1;
 225             output( "\tmov r1, #%u\n", (flags << 24) );
 226             if (args) output( "\tadd r1, #%u\n", (args << 16) );
 227             if ((i - spec->base) & 0xf000) output( "\tadd r1, #%u\n", (i - spec->base) & 0xf000 );
 228             if ((i - spec->base) & 0x0f00) output( "\tadd r1, #%u\n", (i - spec->base) & 0x0f00 );
 229             if ((i - spec->base) & 0x00f0) output( "\tadd r1, #%u\n", (i - spec->base) & 0x00f0 );
 230             if ((i - spec->base) & 0x000f) output( "\tadd r1, #%u\n", (i - spec->base) & 0x000f );
 231             output( "\tldr r0, [PC, #0]\n");
 232             output( "\tmov PC, PC\n");
 233             output( "\t.long .L__wine_spec_relay_descr\n" );
 234             output( "\tldr r3, [r0, #4]\n");
 235             output( "\tblx r3\n");
 236             output( "\tpop {r3}\n" );
 237             if (args) output( "\tadd SP, SP, #%u\n", min(args*4, 16) );
 238             output( "\tbx r3\n");
 239             break;
 240
 241         case CPU_x86_64:
 242             output( "\tsubq $40,%%rsp\n" );
 243             output_cfi( ".cfi_adjust_cfa_offset 40" );
 244             switch (args)
 245             {
 246             default: output( "\tmovq %%%s,72(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" );
 247             /* fall through */
 248             case 3:  output( "\tmovq %%%s,64(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" );
 249             /* fall through */
 250             case 2:  output( "\tmovq %%%s,56(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" );
 251             /* fall through */
 252             case 1:  output( "\tmovq %%%s,48(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" );
 253             /* fall through */
 254             case 0:  break;
 255             }
 256             output( "\tleaq 40(%%rsp),%%r8\n" );
 257             output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) );
 258             output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
 259             output( "\tcallq *8(%%rcx)\n" );
 260             output( "\taddq $40,%%rsp\n" );
 261             output_cfi( ".cfi_adjust_cfa_offset -40" );
 262             output( "\tret\n" );
 263             break;
 264
 265         default:
 266             assert(0);
 267         }
 268         output_cfi( ".cfi_endproc" );
 269     }
 270 }
 271
 272 /*******************************************************************
 273  *         output_exports
 274  *
 275  * Output the export table for a Win32 module.
 276  */
 277 void output_exports( DLLSPEC *spec )
 278 {
 279     int i, fwd_size = 0;
 280     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 281
 282     if (!nr_exports) return;
 283
 284     output( "\n/* export table */\n\n" );
 285     output( "\t.data\n" );
 286     output( "\t.align %d\n", get_alignment(4) );
 287     output( ".L__wine_spec_exports:\n" );
 288
 289     /* export directory header */
 290
 291     output( "\t.long 0\n" );                       /* Characteristics */
 292     output( "\t.long 0\n" );                       /* TimeDateStamp */
 293     output( "\t.long 0\n" );                       /* MajorVersion/MinorVersion */
 294     output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
 295     output( "\t.long %u\n", spec->base );          /* Base */
 296     output( "\t.long %u\n", nr_exports );          /* NumberOfFunctions */
 297     output( "\t.long %u\n", spec->nb_names );      /* NumberOfNames */
 298     output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
 299     if (spec->nb_names)
 300     {
 301         output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
 302         output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" );  /* AddressOfNameOrdinals */
 303     }
 304     else
 305     {
 306         output( "\t.long 0\n" );  /* AddressOfNames */
 307         output( "\t.long 0\n" );  /* AddressOfNameOrdinals */
 308     }
 309
 310     /* output the function pointers */
 311
 312     output( "\n.L__wine_spec_exports_funcs:\n" );
 313     for (i = spec->base; i <= spec->limit; i++)
 314     {
 315         ORDDEF *odp = spec->ordinals[i];
 316         if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
 317         else switch(odp->type)
 318         {
 319         case TYPE_EXTERN:
 320         case TYPE_STDCALL:
 321         case TYPE_VARARGS:
 322         case TYPE_CDECL:
 323         case TYPE_THISCALL:
 324             if (odp->flags & FLAG_FORWARD)
 325             {
 326                 output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
 327                 fwd_size += strlen(odp->link_name) + 1;
 328             }
 329             else if (odp->flags & FLAG_EXT_LINK)
 330             {
 331                 output( "\t%s %s_%s\n",
 332                          get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
 333             }
 334             else
 335             {
 336                 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
 337             }
 338             break;
 339         case TYPE_STUB:
 340             output( "\t%s %s\n", get_asm_ptr_keyword(),
 341                      asm_name( get_stub_name( odp, spec )) );
 342             break;
 343         default:
 344             assert(0);
 345         }
 346     }
 347
 348     if (spec->nb_names)
 349     {
 350         /* output the function name pointers */
 351
 352         int namepos = strlen(spec->file_name) + 1;
 353
 354         output( "\n.L__wine_spec_exp_name_ptrs:\n" );
 355         for (i = 0; i < spec->nb_names; i++)
 356         {
 357             output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
 358             namepos += strlen(spec->names[i]->name) + 1;
 359         }
 360
 361         /* output the function ordinals */
 362
 363         output( "\n.L__wine_spec_exp_ordinals:\n" );
 364         for (i = 0; i < spec->nb_names; i++)
 365         {
 366             output( "\t%s %d\n",
 367                      get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
 368         }
 369         if (spec->nb_names % 2)
 370         {
 371             output( "\t%s 0\n", get_asm_short_keyword() );
 372         }
 373     }
 374
 375     /* output the export name strings */
 376
 377     output( "\n.L__wine_spec_exp_names:\n" );
 378     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 379     for (i = 0; i < spec->nb_names; i++)
 380         output( "\t%s \"%s\"\n",
 381                  get_asm_string_keyword(), spec->names[i]->name );
 382
 383     /* output forward strings */
 384
 385     if (fwd_size)
 386     {
 387         output( "\n.L__wine_spec_forwards:\n" );
 388         for (i = spec->base; i <= spec->limit; i++)
 389         {
 390             ORDDEF *odp = spec->ordinals[i];
 391             if (odp && (odp->flags & FLAG_FORWARD))
 392                 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
 393         }
 394     }
 395     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 396     output( ".L__wine_spec_exports_end:\n" );
 397
 398     /* output relays */
 399
 400     if (!has_relays( spec ))
 401     {
 402         output( "\t%s 0\n", get_asm_ptr_keyword() );
 403         return;
 404     }
 405
 406     output( ".L__wine_spec_relay_descr:\n" );
 407     output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() );  /* magic */
 408     output( "\t%s 0,0\n", get_asm_ptr_keyword() );         /* relay funcs */
 409     output( "\t%s 0\n", get_asm_ptr_keyword() );           /* private data */
 410     output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
 411     output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
 412     output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
 413
 414     output_relay_debug( spec );
 415 }
 416
 417
 418 /*******************************************************************
 419  *         output_asm_constructor
 420  *
 421  * Output code for calling a dll constructor.
 422  */
 423 static void output_asm_constructor( const char *constructor )
 424 {
 425     if (target_platform == PLATFORM_APPLE)
 426     {
 427         /* Mach-O doesn't have an init section */
 428         output( "\n\t.mod_init_func\n" );
 429         output( "\t.align %d\n", get_alignment(4) );
 430         output( "\t.long %s\n", asm_name(constructor) );
 431     }
 432     else
 433     {
 434         switch(target_cpu)
 435         {
 436         case CPU_x86:
 437         case CPU_x86_64:
 438             output( "\n\t.section \".init\",\"ax\"\n" );
 439             output( "\tcall %s\n", asm_name(constructor) );
 440             break;
 441         case CPU_SPARC:
 442             output( "\n\t.section \".init\",\"ax\"\n" );
 443             output( "\tcall %s\n", asm_name(constructor) );
 444             output( "\tnop\n" );
 445             break;
 446         case CPU_ARM:
 447             output( "\n\t.section \".text\",\"ax\"\n" );
 448             output( "\tblx %s\n", asm_name(constructor) );
 449             break;
 450         case CPU_POWERPC:
 451             output( "\n\t.section \".init\",\"ax\"\n" );
 452             output( "\tbl %s\n", asm_name(constructor) );
 453             break;
 454         }
 455     }
 456 }
 457
 458
 459 /*******************************************************************
 460  *         output_module
 461  *
 462  * Output the module data.
 463  */
 464 void output_module( DLLSPEC *spec )
 465 {
 466     int machine = 0;
 467     unsigned int page_size = get_page_size();
 468
 469     /* Reserve some space for the PE header */
 470
 471     switch (target_platform)
 472     {
 473     case PLATFORM_APPLE:
 474         output( "\t.text\n" );
 475         output( "\t.align %d\n", get_alignment(page_size) );
 476         output( "__wine_spec_pe_header:\n" );
 477         output( "\t.space 65536\n" );
 478         break;
 479     case PLATFORM_SOLARIS:
 480         output( "\n\t.section \".text\",\"ax\"\n" );
 481         output( "__wine_spec_pe_header:\n" );
 482         output( "\t.skip %u\n", 65536 + page_size );
 483         break;
 484     default:
 485         switch(target_cpu)
 486         {
 487         case CPU_x86:
 488         case CPU_x86_64:
 489         case CPU_SPARC:
 490             output( "\n\t.section \".init\",\"ax\"\n" );
 491             output( "\tjmp 1f\n" );
 492             break;
 493         case CPU_ARM:
 494             output( "\n\t.section \".text\",\"ax\"\n" );
 495             output( "\tb 1f\n" );
 496             break;
 497         case CPU_POWERPC:
 498             output( "\n\t.section \".init\",\"ax\"\n" );
 499             output( "\tb 1f\n" );
 500             break;
 501         }
 502         output( "__wine_spec_pe_header:\n" );
 503         output( "\t.skip %u\n", 65536 + page_size );
 504         output( "1:\n" );
 505         break;
 506     }
 507
 508     /* Output the NT header */
 509
 510     output( "\n\t.data\n" );
 511     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 512     output( "%s\n", asm_globl("__wine_spec_nt_header") );
 513     output( ".L__wine_spec_rva_base:\n" );
 514
 515     output( "\t.long 0x4550\n" );         /* Signature */
 516     switch(target_cpu)
 517     {
 518     case CPU_x86:     machine = IMAGE_FILE_MACHINE_I386; break;
 519     case CPU_x86_64:  machine = IMAGE_FILE_MACHINE_AMD64; break;
 520     case CPU_ARM:     machine = IMAGE_FILE_MACHINE_ARMNT; break;
 521     case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
 522     case CPU_SPARC:   machine = IMAGE_FILE_MACHINE_SPARC; break;
 523     }
 524     output( "\t%s 0x%04x\n",              /* Machine */
 525              get_asm_short_keyword(), machine );
 526     output( "\t%s 0\n",                   /* NumberOfSections */
 527              get_asm_short_keyword() );
 528     output( "\t.long 0\n" );              /* TimeDateStamp */
 529     output( "\t.long 0\n" );              /* PointerToSymbolTable */
 530     output( "\t.long 0\n" );              /* NumberOfSymbols */
 531     output( "\t%s %d\n",                  /* SizeOfOptionalHeader */
 532              get_asm_short_keyword(),
 533              get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
 534     output( "\t%s 0x%04x\n",              /* Characteristics */
 535              get_asm_short_keyword(), spec->characteristics );
 536     output( "\t%s 0x%04x\n",              /* Magic */
 537              get_asm_short_keyword(),
 538              get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
 539     output( "\t.byte 0\n" );              /* MajorLinkerVersion */
 540     output( "\t.byte 0\n" );              /* MinorLinkerVersion */
 541     output( "\t.long 0\n" );              /* SizeOfCode */
 542     output( "\t.long 0\n" );              /* SizeOfInitializedData */
 543     output( "\t.long 0\n" );              /* SizeOfUninitializedData */
 544     /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
 545     output( "\t%s %s\n",                  /* AddressOfEntryPoint */
 546             get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" );
 547     if (get_ptr_size() == 4)
 548     {
 549         output( "\t.long 0\n" );          /* BaseOfCode */
 550         output( "\t.long 0\n" );          /* BaseOfData */
 551     }
 552     output( "\t%s __wine_spec_pe_header\n",         /* ImageBase */
 553              get_asm_ptr_keyword() );
 554     output( "\t.long %u\n", page_size );  /* SectionAlignment */
 555     output( "\t.long %u\n", page_size );  /* FileAlignment */
 556     output( "\t%s 1,0\n",                 /* Major/MinorOperatingSystemVersion */
 557              get_asm_short_keyword() );
 558     output( "\t%s 0,0\n",                 /* Major/MinorImageVersion */
 559              get_asm_short_keyword() );
 560     output( "\t%s %u,%u\n",               /* Major/MinorSubsystemVersion */
 561              get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
 562     output( "\t.long 0\n" );                          /* Win32VersionValue */
 563     output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
 564              asm_name("_end") );
 565     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
 566     output( "\t.long 0\n" );              /* CheckSum */
 567     output( "\t%s 0x%04x\n",              /* Subsystem */
 568              get_asm_short_keyword(), spec->subsystem );
 569     output( "\t%s 0x%04x\n",              /* DllCharacteristics */
 570             get_asm_short_keyword(), spec->dll_characteristics );
 571     output( "\t%s %u,%u\n",               /* SizeOfStackReserve/Commit */
 572              get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 573     output( "\t%s %u,%u\n",               /* SizeOfHeapReserve/Commit */
 574              get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 575     output( "\t.long 0\n" );              /* LoaderFlags */
 576     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 577
 578     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 579         output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
 580                  ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
 581     else
 582         output( "\t.long 0,0\n" );
 583
 584     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 585         output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
 586                  ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
 587     else
 588         output( "\t.long 0,0\n" );
 589
 590     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 591         output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
 592                  ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
 593     else
 594         output( "\t.long 0,0\n" );
 595
 596     output( "\t.long 0,0\n" );  /* DataDirectory[3] */
 597     output( "\t.long 0,0\n" );  /* DataDirectory[4] */
 598     output( "\t.long 0,0\n" );  /* DataDirectory[5] */
 599     output( "\t.long 0,0\n" );  /* DataDirectory[6] */
 600     output( "\t.long 0,0\n" );  /* DataDirectory[7] */
 601     output( "\t.long 0,0\n" );  /* DataDirectory[8] */
 602     output( "\t.long 0,0\n" );  /* DataDirectory[9] */
 603     output( "\t.long 0,0\n" );  /* DataDirectory[10] */
 604     output( "\t.long 0,0\n" );  /* DataDirectory[11] */
 605     output( "\t.long 0,0\n" );  /* DataDirectory[12] */
 606     output( "\t.long 0,0\n" );  /* DataDirectory[13] */
 607     output( "\t.long 0,0\n" );  /* DataDirectory[14] */
 608     output( "\t.long 0,0\n" );  /* DataDirectory[15] */
 609
 610     output( "\n\t%s\n", get_asm_string_section() );
 611     output( "%s\n", asm_globl("__wine_spec_file_name") );
 612     output( ".L__wine_spec_file_name:\n" );
 613     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 614     if (target_platform == PLATFORM_APPLE)
 615         output( "\t.lcomm %s,4\n", asm_name("_end") );
 616
 617     output_asm_constructor( "__wine_spec_init_ctor" );
 618 }
 619
 620
 621 /*******************************************************************
 622  *         BuildSpec32File
 623  *
 624  * Build a Win32 C file from a spec file.
 625  */
 626 void BuildSpec32File( DLLSPEC *spec )
 627 {
 628     resolve_imports( spec );
 629     output_standard_file_header();
 630     output_module( spec );
 631     output_stubs( spec );
 632     output_exports( spec );
 633     output_imports( spec );
 634     if (is_undefined( "__wine_call_from_regs" )) output_asm_relays();
 635     output_resources( spec );
 636     output_gnu_stack_note();
 637 }
 638
 639
 640 /*******************************************************************
 641  *         output_fake_module
 642  *
 643  * Build a fake binary module from a spec file.
 644  */
 645 void output_fake_module( DLLSPEC *spec )
 646 {
 647     static const unsigned char dll_code_section[] = { 0x31, 0xc0,          /* xor %eax,%eax */
 648                                                       0xc2, 0x0c, 0x00 };  /* ret $12 */
 649
 650     static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00,  /* movl $1,%eax */
 651                                                       0xc2, 0x04, 0x00 };            /* ret $4 */
 652
 653     static const char fakedll_signature[] = "Wine placeholder DLL";
 654     const unsigned int page_size = get_page_size();
 655     const unsigned int section_align = page_size;
 656     const unsigned int file_align = 0x200;
 657     const unsigned int reloc_size = 8;
 658     const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
 659     const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
 660     const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
 661                                     sizeof(dll_code_section) : sizeof(exe_code_section);
 662     unsigned char *resources;
 663     unsigned int resources_size;
 664     unsigned int image_size = 3 * section_align;
 665
 666     resolve_imports( spec );
 667     output_bin_resources( spec, 3 * section_align );
 668     resources = output_buffer;
 669     resources_size = output_buffer_pos;
 670     if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
 671
 672     init_output_buffer();
 673
 674     put_word( 0x5a4d );       /* e_magic */
 675     put_word( 0x40 );         /* e_cblp */
 676     put_word( 0x01 );         /* e_cp */
 677     put_word( 0 );            /* e_crlc */
 678     put_word( lfanew / 16 );  /* e_cparhdr */
 679     put_word( 0x0000 );       /* e_minalloc */
 680     put_word( 0xffff );       /* e_maxalloc */
 681     put_word( 0x0000 );       /* e_ss */
 682     put_word( 0x00b8 );       /* e_sp */
 683     put_word( 0 );            /* e_csum */
 684     put_word( 0 );            /* e_ip */
 685     put_word( 0 );            /* e_cs */
 686     put_word( lfanew );       /* e_lfarlc */
 687     put_word( 0 );            /* e_ovno */
 688     put_dword( 0 );           /* e_res */
 689     put_dword( 0 );
 690     put_word( 0 );            /* e_oemid */
 691     put_word( 0 );            /* e_oeminfo */
 692     put_dword( 0 );           /* e_res2 */
 693     put_dword( 0 );
 694     put_dword( 0 );
 695     put_dword( 0 );
 696     put_dword( 0 );
 697     put_dword( lfanew );
 698
 699     put_data( fakedll_signature, sizeof(fakedll_signature) );
 700     align_output( 16 );
 701
 702     put_dword( 0x4550 );                             /* Signature */
 703     switch(target_cpu)
 704     {
 705     case CPU_x86:     put_word( IMAGE_FILE_MACHINE_I386 ); break;
 706     case CPU_x86_64:  put_word( IMAGE_FILE_MACHINE_AMD64 ); break;
 707     case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break;
 708     case CPU_SPARC:   put_word( IMAGE_FILE_MACHINE_SPARC ); break;
 709     case CPU_ARM:     put_word( IMAGE_FILE_MACHINE_ARMNT ); break;
 710     }
 711     put_word( nb_sections );                         /* NumberOfSections */
 712     put_dword( 0 );                                  /* TimeDateStamp */
 713     put_dword( 0 );                                  /* PointerToSymbolTable */
 714     put_dword( 0 );                                  /* NumberOfSymbols */
 715     put_word( get_ptr_size() == 8 ?
 716               IMAGE_SIZEOF_NT_OPTIONAL64_HEADER :
 717               IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );   /* SizeOfOptionalHeader */
 718     put_word( spec->characteristics );               /* Characteristics */
 719     put_word( get_ptr_size() == 8 ?
 720               IMAGE_NT_OPTIONAL_HDR64_MAGIC :
 721               IMAGE_NT_OPTIONAL_HDR32_MAGIC );       /* Magic */
 722     put_byte(  0 );                                  /* MajorLinkerVersion */
 723     put_byte(  0 );                                  /* MinorLinkerVersion */
 724     put_dword( text_size );                          /* SizeOfCode */
 725     put_dword( 0 );                                  /* SizeOfInitializedData */
 726     put_dword( 0 );                                  /* SizeOfUninitializedData */
 727     put_dword( section_align );                      /* AddressOfEntryPoint */
 728     put_dword( section_align );                      /* BaseOfCode */
 729     if (get_ptr_size() == 4) put_dword( 0 );         /* BaseOfData */
 730     put_pword( 0x10000000 );                         /* ImageBase */
 731     put_dword( section_align );                      /* SectionAlignment */
 732     put_dword( file_align );                         /* FileAlignment */
 733     put_word( 1 );                                   /* MajorOperatingSystemVersion */
 734     put_word( 0 );                                   /* MinorOperatingSystemVersion */
 735     put_word( 0 );                                   /* MajorImageVersion */
 736     put_word( 0 );                                   /* MinorImageVersion */
 737     put_word( spec->subsystem_major );               /* MajorSubsystemVersion */
 738     put_word( spec->subsystem_minor );               /* MinorSubsystemVersion */
 739     put_dword( 0 );                                  /* Win32VersionValue */
 740     put_dword( image_size );                         /* SizeOfImage */
 741     put_dword( file_align );                         /* SizeOfHeaders */
 742     put_dword( 0 );                                  /* CheckSum */
 743     put_word( spec->subsystem );                     /* Subsystem */
 744     put_word( spec->dll_characteristics );           /* DllCharacteristics */
 745     put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */
 746     put_pword( page_size );                          /* SizeOfStackCommit */
 747     put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 );   /* SizeOfHeapReserve */
 748     put_pword( page_size );                          /* SizeOfHeapCommit */
 749     put_dword( 0 );                                  /* LoaderFlags */
 750     put_dword( 16 );                                 /* NumberOfRvaAndSizes */
 751
 752     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 753     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 754     if (resources_size)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 755     {
 756         put_dword( 3 * section_align );
 757         put_dword( resources_size );
 758     }
 759     else
 760     {
 761         put_dword( 0 );
 762         put_dword( 0 );
 763     }
 764
 765     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
 766     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
 767     put_dword( 2 * section_align );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
 768     put_dword( reloc_size );
 769     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
 770     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
 771     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
 772     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
 773     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
 774     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
 775     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
 776     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
 777     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
 778     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[15] */
 779
 780     /* .text section */
 781     put_data( ".text\0\0", 8 );    /* Name */
 782     put_dword( section_align );    /* VirtualSize */
 783     put_dword( section_align );    /* VirtualAddress */
 784     put_dword( text_size );        /* SizeOfRawData */
 785     put_dword( file_align );       /* PointerToRawData */
 786     put_dword( 0 );                /* PointerToRelocations */
 787     put_dword( 0 );                /* PointerToLinenumbers */
 788     put_word( 0 );                 /* NumberOfRelocations */
 789     put_word( 0 );                 /* NumberOfLinenumbers */
 790     put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics  */
 791
 792     /* .reloc section */
 793     put_data( ".reloc\0", 8 );     /* Name */
 794     put_dword( section_align );    /* VirtualSize */
 795     put_dword( 2 * section_align );/* VirtualAddress */
 796     put_dword( reloc_size );       /* SizeOfRawData */
 797     put_dword( 2 * file_align );   /* PointerToRawData */
 798     put_dword( 0 );                /* PointerToRelocations */
 799     put_dword( 0 );                /* PointerToLinenumbers */
 800     put_word( 0 );                 /* NumberOfRelocations */
 801     put_word( 0 );                 /* NumberOfLinenumbers */
 802     put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
 803
 804     /* .rsrc section */
 805     if (resources_size)
 806     {
 807         put_data( ".rsrc\0\0", 8 );    /* Name */
 808         put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
 809         put_dword( 3 * section_align );/* VirtualAddress */
 810         put_dword( resources_size );   /* SizeOfRawData */
 811         put_dword( 3 * file_align );   /* PointerToRawData */
 812         put_dword( 0 );                /* PointerToRelocations */
 813         put_dword( 0 );                /* PointerToLinenumbers */
 814         put_word( 0 );                 /* NumberOfRelocations */
 815         put_word( 0 );                 /* NumberOfLinenumbers */
 816         put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
 817     }
 818
 819     /* .text contents */
 820     align_output( file_align );
 821     if (spec->characteristics & IMAGE_FILE_DLL)
 822         put_data( dll_code_section, sizeof(dll_code_section) );
 823     else
 824         put_data( exe_code_section, sizeof(exe_code_section) );
 825
 826     /* .reloc contents */
 827     align_output( file_align );
 828     put_dword( 0 );   /* VirtualAddress */
 829     put_dword( 0 );   /* SizeOfBlock */
 830
 831     /* .rsrc contents */
 832     if (resources_size)
 833     {
 834         align_output( file_align );
 835         put_data( resources, resources_size );
 836     }
 837     flush_output_buffer();
 838 }
 839
 840
 841 /*******************************************************************
 842  *         output_def_file
 843  *
 844  * Build a Win32 def file from a spec file.
 845  */
 846 void output_def_file( DLLSPEC *spec, int include_private )
 847 {
 848     DLLSPEC *spec32 = NULL;
 849     const char *name;
 850     int i, total;
 851
 852     if (spec->type == SPEC_WIN16)
 853     {
 854         spec32 = alloc_dll_spec();
 855         add_16bit_exports( spec32, spec );
 856         spec = spec32;
 857     }
 858
 859     if (spec_file_name)
 860         output( "; File generated automatically from %s; do not edit!\n\n",
 861                  spec_file_name );
 862     else
 863         output( "; File generated automatically; do not edit!\n\n" );
 864
 865     output( "LIBRARY %s\n\n", spec->file_name);
 866     output( "EXPORTS\n");
 867
 868     /* Output the exports and relay entry points */
 869
 870     for (i = total = 0; i < spec->nb_entry_points; i++)
 871     {
 872         const ORDDEF *odp = &spec->entry_points[i];
 873         int is_data = 0;
 874
 875         if (!odp) continue;
 876
 877         if (odp->name) name = odp->name;
 878         else if (odp->export_name) name = odp->export_name;
 879         else continue;
 880
 881         if (!(odp->flags & FLAG_PRIVATE)) total++;
 882         else if (!include_private) continue;
 883
 884         if (odp->type == TYPE_STUB) continue;
 885
 886         output( "  %s", name );
 887
 888         switch(odp->type)
 889         {
 890         case TYPE_EXTERN:
 891             is_data = 1;
 892             /* fall through */
 893         case TYPE_VARARGS:
 894         case TYPE_CDECL:
 895         case TYPE_THISCALL:
 896             /* try to reduce output */
 897             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 898                 output( "=%s", odp->link_name );
 899             break;
 900         case TYPE_STDCALL:
 901         {
 902             int at_param = get_args_size( odp );
 903             if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 904             if  (odp->flags & FLAG_FORWARD)
 905             {
 906                 output( "=%s", odp->link_name );
 907             }
 908             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 909             {
 910                 output( "=%s", odp->link_name );
 911                 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 912             }
 913             break;
 914         }
 915         default:
 916             assert(0);
 917         }
 918         output( " @%d", odp->ordinal );
 919         if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
 920         if (is_data) output( " DATA" );
 921         if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
 922         output( "\n" );
 923     }
 924     if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
 925     if (spec32) free_dll_spec( spec32 );
 926 }