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 #define IMAGE_FILE_MACHINE_ARM64   0x01C5
  43
  44 #define IMAGE_SIZEOF_NT_OPTIONAL32_HEADER 224
  45 #define IMAGE_SIZEOF_NT_OPTIONAL64_HEADER 240
  46
  47 #define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
  48 #define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
  49 #define IMAGE_ROM_OPTIONAL_HDR_MAGIC  0x107
  50
  51 /* check if entry point needs a relay thunk */
  52 static inline int needs_relay( const ORDDEF *odp )
  53 {
  54     /* skip nonexistent entry points */
  55     if (!odp) return 0;
  56     /* skip non-functions */
  57     switch (odp->type)
  58     {
  59     case TYPE_STDCALL:
  60     case TYPE_CDECL:
  61     case TYPE_THISCALL:
  62         break;
  63     case TYPE_STUB:
  64         if (odp->u.func.nb_args != -1) break;
  65         /* fall through */
  66     default:
  67         return 0;
  68     }
  69     /* skip norelay and forward entry points */
  70     if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) return 0;
  71     /* skip register entry points on x86_64 */
  72     if (target_cpu == CPU_x86_64 && (odp->flags & FLAG_REGISTER)) return 0;
  73     return 1;
  74 }
  75
  76 static int is_float_arg( const ORDDEF *odp, int arg )
  77 {
  78     if (arg >= odp->u.func.nb_args) return 0;
  79     return (odp->u.func.args[arg] == ARG_FLOAT || odp->u.func.args[arg] == ARG_DOUBLE);
  80 }
  81
  82 /* check if dll will output relay thunks */
  83 int has_relays( DLLSPEC *spec )
  84 {
  85     int i;
  86
  87     if (target_cpu != CPU_x86 && target_cpu != CPU_x86_64 && target_cpu != CPU_ARM) return 0;
  88
  89     for (i = spec->base; i <= spec->limit; i++)
  90     {
  91         ORDDEF *odp = spec->ordinals[i];
  92         if (needs_relay( odp )) return 1;
  93     }
  94     return 0;
  95 }
  96
  97 /*******************************************************************
  98  *         output_relay_debug
  99  *
 100  * Output entry points for relay debugging
 101  */
 102 static void output_relay_debug( DLLSPEC *spec )
 103 {
 104     int i, j;
 105     unsigned int pos, args, flags;
 106
 107     /* first the table of entry point offsets */
 108
 109     output( "\t%s\n", get_asm_rodata_section() );
 110     output( "\t.align %d\n", get_alignment(4) );
 111     output( ".L__wine_spec_relay_entry_point_offsets:\n" );
 112
 113     for (i = spec->base; i <= spec->limit; i++)
 114     {
 115         ORDDEF *odp = spec->ordinals[i];
 116
 117         if (needs_relay( odp ))
 118             output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i );
 119         else
 120             output( "\t.long 0\n" );
 121     }
 122
 123     /* then the table of argument types */
 124
 125     output( "\t.align %d\n", get_alignment(4) );
 126     output( ".L__wine_spec_relay_arg_types:\n" );
 127
 128     for (i = spec->base; i <= spec->limit; i++)
 129     {
 130         ORDDEF *odp = spec->ordinals[i];
 131         unsigned int mask = 0;
 132
 133         if (needs_relay( odp ))
 134         {
 135             for (j = pos = 0; pos < 16 && j < odp->u.func.nb_args; j++)
 136             {
 137                 switch (odp->u.func.args[j])
 138                 {
 139                 case ARG_STR:    mask |= 1 << (2 * pos++); break;
 140                 case ARG_WSTR:   mask |= 2 << (2 * pos++); break;
 141                 case ARG_INT64:
 142                 case ARG_DOUBLE: pos += 8 / get_ptr_size(); break;
 143                 case ARG_INT128: pos += (target_cpu == CPU_x86) ? 4 : 1; break;
 144                 default:         pos++; break;
 145                 }
 146             }
 147         }
 148         output( "\t.long 0x%08x\n", mask );
 149     }
 150
 151     /* then the relay thunks */
 152
 153     output( "\t.text\n" );
 154     output( "__wine_spec_relay_entry_points:\n" );
 155     output( "\tnop\n" );  /* to avoid 0 offset */
 156
 157     for (i = spec->base; i <= spec->limit; i++)
 158     {
 159         ORDDEF *odp = spec->ordinals[i];
 160
 161         if (!needs_relay( odp )) continue;
 162
 163         output( "\t.align %d\n", get_alignment(4) );
 164         output( ".L__wine_spec_relay_entry_point_%d:\n", i );
 165         output_cfi( ".cfi_startproc" );
 166
 167         args = get_args_size(odp) / get_ptr_size();
 168         flags = 0;
 169
 170         switch (target_cpu)
 171         {
 172         case CPU_x86:
 173             if (odp->type == TYPE_THISCALL)  /* add the this pointer */
 174             {
 175                 output( "\tpopl %%eax\n" );
 176                 output( "\tpushl %%ecx\n" );
 177                 output( "\tpushl %%eax\n" );
 178                 flags |= 2;
 179             }
 180             if (odp->flags & FLAG_REGISTER)
 181                 output( "\tpushl %%eax\n" );
 182             else
 183                 output( "\tpushl %%esp\n" );
 184             output_cfi( ".cfi_adjust_cfa_offset 4" );
 185
 186             if (odp->flags & FLAG_RET64) flags |= 1;
 187             output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) );
 188             output_cfi( ".cfi_adjust_cfa_offset 4" );
 189
 190             if (UsePIC)
 191             {
 192                 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
 193                 output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
 194             }
 195             else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
 196             output( "\tpushl %%eax\n" );
 197             output_cfi( ".cfi_adjust_cfa_offset 4" );
 198
 199             if (odp->flags & FLAG_REGISTER)
 200             {
 201                 output( "\tcall *8(%%eax)\n" );
 202             }
 203             else
 204             {
 205                 output( "\tcall *4(%%eax)\n" );
 206                 output_cfi( ".cfi_adjust_cfa_offset -12" );
 207                 if (odp->type == TYPE_STDCALL || odp->type == TYPE_THISCALL)
 208                     output( "\tret $%u\n", args * get_ptr_size() );
 209                 else
 210                     output( "\tret\n" );
 211             }
 212             break;
 213
 214         case CPU_ARM:
 215             switch (args)
 216             {
 217             default: output( "\tpush {r0-r3}\n" ); break;
 218             case 3:  output( "\tpush {r0-r2}\n" ); break;
 219             case 2:  output( "\tpush {r0-r1}\n" ); break;
 220             case 1:  output( "\tpush {r0}\n" ); break;
 221             case 0:  break;
 222             }
 223             output( "\tpush {LR}\n" );
 224             output( "\tmov r2, SP\n");
 225             if (odp->flags & FLAG_RET64) flags |= 1;
 226             output( "\tmov r1, #%u\n", (flags << 24) );
 227             if (args) output( "\tadd r1, #%u\n", (args << 16) );
 228             if ((i - spec->base) & 0xf000) output( "\tadd r1, #%u\n", (i - spec->base) & 0xf000 );
 229             if ((i - spec->base) & 0x0f00) output( "\tadd r1, #%u\n", (i - spec->base) & 0x0f00 );
 230             if ((i - spec->base) & 0x00f0) output( "\tadd r1, #%u\n", (i - spec->base) & 0x00f0 );
 231             if ((i - spec->base) & 0x000f) output( "\tadd r1, #%u\n", (i - spec->base) & 0x000f );
 232             output( "\tldr r0, [PC, #0]\n");
 233             output( "\tmov PC, PC\n");
 234             output( "\t.long .L__wine_spec_relay_descr\n" );
 235             output( "\tldr r3, [r0, #4]\n");
 236             output( "\tblx r3\n");
 237             output( "\tpop {r3}\n" );
 238             if (args) output( "\tadd SP, SP, #%u\n", min(args*4, 16) );
 239             output( "\tbx r3\n");
 240             break;
 241
 242         case CPU_x86_64:
 243             output( "\tsubq $40,%%rsp\n" );
 244             output_cfi( ".cfi_adjust_cfa_offset 40" );
 245             switch (args)
 246             {
 247             default: output( "\tmovq %%%s,72(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" );
 248             /* fall through */
 249             case 3:  output( "\tmovq %%%s,64(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" );
 250             /* fall through */
 251             case 2:  output( "\tmovq %%%s,56(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" );
 252             /* fall through */
 253             case 1:  output( "\tmovq %%%s,48(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" );
 254             /* fall through */
 255             case 0:  break;
 256             }
 257             output( "\tleaq 40(%%rsp),%%r8\n" );
 258             output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) );
 259             output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
 260             output( "\tcallq *8(%%rcx)\n" );
 261             output( "\taddq $40,%%rsp\n" );
 262             output_cfi( ".cfi_adjust_cfa_offset -40" );
 263             output( "\tret\n" );
 264             break;
 265
 266         default:
 267             assert(0);
 268         }
 269         output_cfi( ".cfi_endproc" );
 270     }
 271 }
 272
 273 /*******************************************************************
 274  *         output_exports
 275  *
 276  * Output the export table for a Win32 module.
 277  */
 278 void output_exports( DLLSPEC *spec )
 279 {
 280     int i, fwd_size = 0;
 281     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 282
 283     if (!nr_exports) return;
 284
 285     output( "\n/* export table */\n\n" );
 286     output( "\t.data\n" );
 287     output( "\t.align %d\n", get_alignment(4) );
 288     output( ".L__wine_spec_exports:\n" );
 289
 290     /* export directory header */
 291
 292     output( "\t.long 0\n" );                       /* Characteristics */
 293     output( "\t.long 0\n" );                       /* TimeDateStamp */
 294     output( "\t.long 0\n" );                       /* MajorVersion/MinorVersion */
 295     output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
 296     output( "\t.long %u\n", spec->base );          /* Base */
 297     output( "\t.long %u\n", nr_exports );          /* NumberOfFunctions */
 298     output( "\t.long %u\n", spec->nb_names );      /* NumberOfNames */
 299     output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
 300     if (spec->nb_names)
 301     {
 302         output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
 303         output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" );  /* AddressOfNameOrdinals */
 304     }
 305     else
 306     {
 307         output( "\t.long 0\n" );  /* AddressOfNames */
 308         output( "\t.long 0\n" );  /* AddressOfNameOrdinals */
 309     }
 310
 311     /* output the function pointers */
 312
 313     output( "\n.L__wine_spec_exports_funcs:\n" );
 314     for (i = spec->base; i <= spec->limit; i++)
 315     {
 316         ORDDEF *odp = spec->ordinals[i];
 317         if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
 318         else switch(odp->type)
 319         {
 320         case TYPE_EXTERN:
 321         case TYPE_STDCALL:
 322         case TYPE_VARARGS:
 323         case TYPE_CDECL:
 324         case TYPE_THISCALL:
 325             if (odp->flags & FLAG_FORWARD)
 326             {
 327                 output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
 328                 fwd_size += strlen(odp->link_name) + 1;
 329             }
 330             else if (odp->flags & FLAG_EXT_LINK)
 331             {
 332                 output( "\t%s %s_%s\n",
 333                          get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
 334             }
 335             else
 336             {
 337                 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
 338             }
 339             break;
 340         case TYPE_STUB:
 341             output( "\t%s %s\n", get_asm_ptr_keyword(),
 342                      asm_name( get_stub_name( odp, spec )) );
 343             break;
 344         default:
 345             assert(0);
 346         }
 347     }
 348
 349     if (spec->nb_names)
 350     {
 351         /* output the function name pointers */
 352
 353         int namepos = strlen(spec->file_name) + 1;
 354
 355         output( "\n.L__wine_spec_exp_name_ptrs:\n" );
 356         for (i = 0; i < spec->nb_names; i++)
 357         {
 358             output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
 359             namepos += strlen(spec->names[i]->name) + 1;
 360         }
 361
 362         /* output the function ordinals */
 363
 364         output( "\n.L__wine_spec_exp_ordinals:\n" );
 365         for (i = 0; i < spec->nb_names; i++)
 366         {
 367             output( "\t%s %d\n",
 368                      get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
 369         }
 370         if (spec->nb_names % 2)
 371         {
 372             output( "\t%s 0\n", get_asm_short_keyword() );
 373         }
 374     }
 375
 376     /* output the export name strings */
 377
 378     output( "\n.L__wine_spec_exp_names:\n" );
 379     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 380     for (i = 0; i < spec->nb_names; i++)
 381         output( "\t%s \"%s\"\n",
 382                  get_asm_string_keyword(), spec->names[i]->name );
 383
 384     /* output forward strings */
 385
 386     if (fwd_size)
 387     {
 388         output( "\n.L__wine_spec_forwards:\n" );
 389         for (i = spec->base; i <= spec->limit; i++)
 390         {
 391             ORDDEF *odp = spec->ordinals[i];
 392             if (odp && (odp->flags & FLAG_FORWARD))
 393                 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
 394         }
 395     }
 396     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 397     output( ".L__wine_spec_exports_end:\n" );
 398
 399     /* output relays */
 400
 401     if (!has_relays( spec ))
 402     {
 403         output( "\t%s 0\n", get_asm_ptr_keyword() );
 404         return;
 405     }
 406
 407     output( ".L__wine_spec_relay_descr:\n" );
 408     output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() );  /* magic */
 409     output( "\t%s 0,0\n", get_asm_ptr_keyword() );         /* relay funcs */
 410     output( "\t%s 0\n", get_asm_ptr_keyword() );           /* private data */
 411     output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
 412     output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
 413     output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
 414
 415     output_relay_debug( spec );
 416 }
 417
 418
 419 /*******************************************************************
 420  *         output_asm_constructor
 421  *
 422  * Output code for calling a dll constructor.
 423  */
 424 static void output_asm_constructor( const char *constructor )
 425 {
 426     if (target_platform == PLATFORM_APPLE)
 427     {
 428         /* Mach-O doesn't have an init section */
 429         output( "\n\t.mod_init_func\n" );
 430         output( "\t.align %d\n", get_alignment(4) );
 431         output( "\t.long %s\n", asm_name(constructor) );
 432     }
 433     else
 434     {
 435         switch(target_cpu)
 436         {
 437         case CPU_x86:
 438         case CPU_x86_64:
 439             output( "\n\t.section \".init\",\"ax\"\n" );
 440             output( "\tcall %s\n", asm_name(constructor) );
 441             break;
 442         case CPU_SPARC:
 443             output( "\n\t.section \".init\",\"ax\"\n" );
 444             output( "\tcall %s\n", asm_name(constructor) );
 445             output( "\tnop\n" );
 446             break;
 447         case CPU_ARM:
 448             output( "\n\t.section \".text\",\"ax\"\n" );
 449             output( "\tblx %s\n", asm_name(constructor) );
 450             break;
 451         case CPU_ARM64:
 452         case CPU_POWERPC:
 453             output( "\n\t.section \".init\",\"ax\"\n" );
 454             output( "\tbl %s\n", asm_name(constructor) );
 455             break;
 456         }
 457     }
 458 }
 459
 460
 461 /*******************************************************************
 462  *         output_module
 463  *
 464  * Output the module data.
 465  */
 466 void output_module( DLLSPEC *spec )
 467 {
 468     int machine = 0;
 469     unsigned int page_size = get_page_size();
 470
 471     /* Reserve some space for the PE header */
 472
 473     switch (target_platform)
 474     {
 475     case PLATFORM_APPLE:
 476         output( "\t.text\n" );
 477         output( "\t.align %d\n", get_alignment(page_size) );
 478         output( "__wine_spec_pe_header:\n" );
 479         output( "\t.space 65536\n" );
 480         break;
 481     case PLATFORM_SOLARIS:
 482         output( "\n\t.section \".text\",\"ax\"\n" );
 483         output( "__wine_spec_pe_header:\n" );
 484         output( "\t.skip %u\n", 65536 + page_size );
 485         break;
 486     default:
 487         switch(target_cpu)
 488         {
 489         case CPU_x86:
 490         case CPU_x86_64:
 491         case CPU_SPARC:
 492             output( "\n\t.section \".init\",\"ax\"\n" );
 493             output( "\tjmp 1f\n" );
 494             break;
 495         case CPU_ARM:
 496             output( "\n\t.section \".text\",\"ax\"\n" );
 497             output( "\tb 1f\n" );
 498             break;
 499         case CPU_ARM64:
 500         case CPU_POWERPC:
 501             output( "\n\t.section \".init\",\"ax\"\n" );
 502             output( "\tb 1f\n" );
 503             break;
 504         }
 505         output( "__wine_spec_pe_header:\n" );
 506         output( "\t.skip %u\n", 65536 + page_size );
 507         output( "1:\n" );
 508         break;
 509     }
 510
 511     /* Output the NT header */
 512
 513     output( "\n\t.data\n" );
 514     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 515     output( "%s\n", asm_globl("__wine_spec_nt_header") );
 516     output( ".L__wine_spec_rva_base:\n" );
 517
 518     output( "\t.long 0x4550\n" );         /* Signature */
 519     switch(target_cpu)
 520     {
 521     case CPU_x86:     machine = IMAGE_FILE_MACHINE_I386; break;
 522     case CPU_x86_64:  machine = IMAGE_FILE_MACHINE_AMD64; break;
 523     case CPU_ARM:     machine = IMAGE_FILE_MACHINE_ARMNT; break;
 524     case CPU_ARM64:   machine = IMAGE_FILE_MACHINE_ARM64; break;
 525     case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
 526     case CPU_SPARC:   machine = IMAGE_FILE_MACHINE_SPARC; break;
 527     }
 528     output( "\t%s 0x%04x\n",              /* Machine */
 529              get_asm_short_keyword(), machine );
 530     output( "\t%s 0\n",                   /* NumberOfSections */
 531              get_asm_short_keyword() );
 532     output( "\t.long 0\n" );              /* TimeDateStamp */
 533     output( "\t.long 0\n" );              /* PointerToSymbolTable */
 534     output( "\t.long 0\n" );              /* NumberOfSymbols */
 535     output( "\t%s %d\n",                  /* SizeOfOptionalHeader */
 536              get_asm_short_keyword(),
 537              get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
 538     output( "\t%s 0x%04x\n",              /* Characteristics */
 539              get_asm_short_keyword(), spec->characteristics );
 540     output( "\t%s 0x%04x\n",              /* Magic */
 541              get_asm_short_keyword(),
 542              get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
 543     output( "\t.byte 0\n" );              /* MajorLinkerVersion */
 544     output( "\t.byte 0\n" );              /* MinorLinkerVersion */
 545     output( "\t.long 0\n" );              /* SizeOfCode */
 546     output( "\t.long 0\n" );              /* SizeOfInitializedData */
 547     output( "\t.long 0\n" );              /* SizeOfUninitializedData */
 548     /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
 549     output( "\t%s %s\n",                  /* AddressOfEntryPoint */
 550             get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" );
 551     if (get_ptr_size() == 4)
 552     {
 553         output( "\t.long 0\n" );          /* BaseOfCode */
 554         output( "\t.long 0\n" );          /* BaseOfData */
 555     }
 556     output( "\t%s __wine_spec_pe_header\n",         /* ImageBase */
 557              get_asm_ptr_keyword() );
 558     output( "\t.long %u\n", page_size );  /* SectionAlignment */
 559     output( "\t.long %u\n", page_size );  /* FileAlignment */
 560     output( "\t%s 1,0\n",                 /* Major/MinorOperatingSystemVersion */
 561              get_asm_short_keyword() );
 562     output( "\t%s 0,0\n",                 /* Major/MinorImageVersion */
 563              get_asm_short_keyword() );
 564     output( "\t%s %u,%u\n",               /* Major/MinorSubsystemVersion */
 565              get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
 566     output( "\t.long 0\n" );                          /* Win32VersionValue */
 567     output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
 568              asm_name("_end") );
 569     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
 570     output( "\t.long 0\n" );              /* CheckSum */
 571     output( "\t%s 0x%04x\n",              /* Subsystem */
 572              get_asm_short_keyword(), spec->subsystem );
 573     output( "\t%s 0x%04x\n",              /* DllCharacteristics */
 574             get_asm_short_keyword(), spec->dll_characteristics );
 575     output( "\t%s %u,%u\n",               /* SizeOfStackReserve/Commit */
 576              get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 577     output( "\t%s %u,%u\n",               /* SizeOfHeapReserve/Commit */
 578              get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 579     output( "\t.long 0\n" );              /* LoaderFlags */
 580     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 581
 582     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 583         output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
 584                  ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
 585     else
 586         output( "\t.long 0,0\n" );
 587
 588     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 589         output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
 590                  ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
 591     else
 592         output( "\t.long 0,0\n" );
 593
 594     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 595         output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
 596                  ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
 597     else
 598         output( "\t.long 0,0\n" );
 599
 600     output( "\t.long 0,0\n" );  /* DataDirectory[3] */
 601     output( "\t.long 0,0\n" );  /* DataDirectory[4] */
 602     output( "\t.long 0,0\n" );  /* DataDirectory[5] */
 603     output( "\t.long 0,0\n" );  /* DataDirectory[6] */
 604     output( "\t.long 0,0\n" );  /* DataDirectory[7] */
 605     output( "\t.long 0,0\n" );  /* DataDirectory[8] */
 606     output( "\t.long 0,0\n" );  /* DataDirectory[9] */
 607     output( "\t.long 0,0\n" );  /* DataDirectory[10] */
 608     output( "\t.long 0,0\n" );  /* DataDirectory[11] */
 609     output( "\t.long 0,0\n" );  /* DataDirectory[12] */
 610     output( "\t.long 0,0\n" );  /* DataDirectory[13] */
 611     output( "\t.long 0,0\n" );  /* DataDirectory[14] */
 612     output( "\t.long 0,0\n" );  /* DataDirectory[15] */
 613
 614     output( "\n\t%s\n", get_asm_string_section() );
 615     output( "%s\n", asm_globl("__wine_spec_file_name") );
 616     output( ".L__wine_spec_file_name:\n" );
 617     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 618     if (target_platform == PLATFORM_APPLE)
 619         output( "\t.lcomm %s,4\n", asm_name("_end") );
 620
 621     output_asm_constructor( "__wine_spec_init_ctor" );
 622 }
 623
 624
 625 /*******************************************************************
 626  *         BuildSpec32File
 627  *
 628  * Build a Win32 C file from a spec file.
 629  */
 630 void BuildSpec32File( DLLSPEC *spec )
 631 {
 632     resolve_imports( spec );
 633     output_standard_file_header();
 634     output_module( spec );
 635     output_stubs( spec );
 636     output_exports( spec );
 637     output_imports( spec );
 638     if (is_undefined( "__wine_call_from_regs" )) output_asm_relays();
 639     output_resources( spec );
 640     output_gnu_stack_note();
 641 }
 642
 643
 644 /*******************************************************************
 645  *         output_fake_module
 646  *
 647  * Build a fake binary module from a spec file.
 648  */
 649 void output_fake_module( DLLSPEC *spec )
 650 {
 651     static const unsigned char dll_code_section[] = { 0x31, 0xc0,          /* xor %eax,%eax */
 652                                                       0xc2, 0x0c, 0x00 };  /* ret $12 */
 653
 654     static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00,  /* movl $1,%eax */
 655                                                       0xc2, 0x04, 0x00 };            /* ret $4 */
 656
 657     static const char fakedll_signature[] = "Wine placeholder DLL";
 658     const unsigned int page_size = get_page_size();
 659     const unsigned int section_align = page_size;
 660     const unsigned int file_align = 0x200;
 661     const unsigned int reloc_size = 8;
 662     const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
 663     const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
 664     const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
 665                                     sizeof(dll_code_section) : sizeof(exe_code_section);
 666     unsigned char *resources;
 667     unsigned int resources_size;
 668     unsigned int image_size = 3 * section_align;
 669
 670     resolve_imports( spec );
 671     output_bin_resources( spec, 3 * section_align );
 672     resources = output_buffer;
 673     resources_size = output_buffer_pos;
 674     if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
 675
 676     init_output_buffer();
 677
 678     put_word( 0x5a4d );       /* e_magic */
 679     put_word( 0x40 );         /* e_cblp */
 680     put_word( 0x01 );         /* e_cp */
 681     put_word( 0 );            /* e_crlc */
 682     put_word( lfanew / 16 );  /* e_cparhdr */
 683     put_word( 0x0000 );       /* e_minalloc */
 684     put_word( 0xffff );       /* e_maxalloc */
 685     put_word( 0x0000 );       /* e_ss */
 686     put_word( 0x00b8 );       /* e_sp */
 687     put_word( 0 );            /* e_csum */
 688     put_word( 0 );            /* e_ip */
 689     put_word( 0 );            /* e_cs */
 690     put_word( lfanew );       /* e_lfarlc */
 691     put_word( 0 );            /* e_ovno */
 692     put_dword( 0 );           /* e_res */
 693     put_dword( 0 );
 694     put_word( 0 );            /* e_oemid */
 695     put_word( 0 );            /* e_oeminfo */
 696     put_dword( 0 );           /* e_res2 */
 697     put_dword( 0 );
 698     put_dword( 0 );
 699     put_dword( 0 );
 700     put_dword( 0 );
 701     put_dword( lfanew );
 702
 703     put_data( fakedll_signature, sizeof(fakedll_signature) );
 704     align_output( 16 );
 705
 706     put_dword( 0x4550 );                             /* Signature */
 707     switch(target_cpu)
 708     {
 709     case CPU_x86:     put_word( IMAGE_FILE_MACHINE_I386 ); break;
 710     case CPU_x86_64:  put_word( IMAGE_FILE_MACHINE_AMD64 ); break;
 711     case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break;
 712     case CPU_SPARC:   put_word( IMAGE_FILE_MACHINE_SPARC ); break;
 713     case CPU_ARM:     put_word( IMAGE_FILE_MACHINE_ARMNT ); break;
 714     case CPU_ARM64:   put_word( IMAGE_FILE_MACHINE_ARM64 ); break;
 715     }
 716     put_word( nb_sections );                         /* NumberOfSections */
 717     put_dword( 0 );                                  /* TimeDateStamp */
 718     put_dword( 0 );                                  /* PointerToSymbolTable */
 719     put_dword( 0 );                                  /* NumberOfSymbols */
 720     put_word( get_ptr_size() == 8 ?
 721               IMAGE_SIZEOF_NT_OPTIONAL64_HEADER :
 722               IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );   /* SizeOfOptionalHeader */
 723     put_word( spec->characteristics );               /* Characteristics */
 724     put_word( get_ptr_size() == 8 ?
 725               IMAGE_NT_OPTIONAL_HDR64_MAGIC :
 726               IMAGE_NT_OPTIONAL_HDR32_MAGIC );       /* Magic */
 727     put_byte(  0 );                                  /* MajorLinkerVersion */
 728     put_byte(  0 );                                  /* MinorLinkerVersion */
 729     put_dword( text_size );                          /* SizeOfCode */
 730     put_dword( 0 );                                  /* SizeOfInitializedData */
 731     put_dword( 0 );                                  /* SizeOfUninitializedData */
 732     put_dword( section_align );                      /* AddressOfEntryPoint */
 733     put_dword( section_align );                      /* BaseOfCode */
 734     if (get_ptr_size() == 4) put_dword( 0 );         /* BaseOfData */
 735     put_pword( 0x10000000 );                         /* ImageBase */
 736     put_dword( section_align );                      /* SectionAlignment */
 737     put_dword( file_align );                         /* FileAlignment */
 738     put_word( 1 );                                   /* MajorOperatingSystemVersion */
 739     put_word( 0 );                                   /* MinorOperatingSystemVersion */
 740     put_word( 0 );                                   /* MajorImageVersion */
 741     put_word( 0 );                                   /* MinorImageVersion */
 742     put_word( spec->subsystem_major );               /* MajorSubsystemVersion */
 743     put_word( spec->subsystem_minor );               /* MinorSubsystemVersion */
 744     put_dword( 0 );                                  /* Win32VersionValue */
 745     put_dword( image_size );                         /* SizeOfImage */
 746     put_dword( file_align );                         /* SizeOfHeaders */
 747     put_dword( 0 );                                  /* CheckSum */
 748     put_word( spec->subsystem );                     /* Subsystem */
 749     put_word( spec->dll_characteristics );           /* DllCharacteristics */
 750     put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */
 751     put_pword( page_size );                          /* SizeOfStackCommit */
 752     put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 );   /* SizeOfHeapReserve */
 753     put_pword( page_size );                          /* SizeOfHeapCommit */
 754     put_dword( 0 );                                  /* LoaderFlags */
 755     put_dword( 16 );                                 /* NumberOfRvaAndSizes */
 756
 757     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 758     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 759     if (resources_size)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 760     {
 761         put_dword( 3 * section_align );
 762         put_dword( resources_size );
 763     }
 764     else
 765     {
 766         put_dword( 0 );
 767         put_dword( 0 );
 768     }
 769
 770     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
 771     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
 772     put_dword( 2 * section_align );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
 773     put_dword( reloc_size );
 774     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
 775     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
 776     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
 777     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
 778     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
 779     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
 780     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
 781     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
 782     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
 783     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[15] */
 784
 785     /* .text section */
 786     put_data( ".text\0\0", 8 );    /* Name */
 787     put_dword( section_align );    /* VirtualSize */
 788     put_dword( section_align );    /* VirtualAddress */
 789     put_dword( text_size );        /* SizeOfRawData */
 790     put_dword( file_align );       /* PointerToRawData */
 791     put_dword( 0 );                /* PointerToRelocations */
 792     put_dword( 0 );                /* PointerToLinenumbers */
 793     put_word( 0 );                 /* NumberOfRelocations */
 794     put_word( 0 );                 /* NumberOfLinenumbers */
 795     put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics  */
 796
 797     /* .reloc section */
 798     put_data( ".reloc\0", 8 );     /* Name */
 799     put_dword( section_align );    /* VirtualSize */
 800     put_dword( 2 * section_align );/* VirtualAddress */
 801     put_dword( reloc_size );       /* SizeOfRawData */
 802     put_dword( 2 * file_align );   /* PointerToRawData */
 803     put_dword( 0 );                /* PointerToRelocations */
 804     put_dword( 0 );                /* PointerToLinenumbers */
 805     put_word( 0 );                 /* NumberOfRelocations */
 806     put_word( 0 );                 /* NumberOfLinenumbers */
 807     put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
 808
 809     /* .rsrc section */
 810     if (resources_size)
 811     {
 812         put_data( ".rsrc\0\0", 8 );    /* Name */
 813         put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
 814         put_dword( 3 * section_align );/* VirtualAddress */
 815         put_dword( resources_size );   /* SizeOfRawData */
 816         put_dword( 3 * file_align );   /* PointerToRawData */
 817         put_dword( 0 );                /* PointerToRelocations */
 818         put_dword( 0 );                /* PointerToLinenumbers */
 819         put_word( 0 );                 /* NumberOfRelocations */
 820         put_word( 0 );                 /* NumberOfLinenumbers */
 821         put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
 822     }
 823
 824     /* .text contents */
 825     align_output( file_align );
 826     if (spec->characteristics & IMAGE_FILE_DLL)
 827         put_data( dll_code_section, sizeof(dll_code_section) );
 828     else
 829         put_data( exe_code_section, sizeof(exe_code_section) );
 830
 831     /* .reloc contents */
 832     align_output( file_align );
 833     put_dword( 0 );   /* VirtualAddress */
 834     put_dword( 0 );   /* SizeOfBlock */
 835
 836     /* .rsrc contents */
 837     if (resources_size)
 838     {
 839         align_output( file_align );
 840         put_data( resources, resources_size );
 841     }
 842     flush_output_buffer();
 843 }
 844
 845
 846 /*******************************************************************
 847  *         output_def_file
 848  *
 849  * Build a Win32 def file from a spec file.
 850  */
 851 void output_def_file( DLLSPEC *spec, int include_private )
 852 {
 853     DLLSPEC *spec32 = NULL;
 854     const char *name;
 855     int i, total;
 856
 857     if (spec->type == SPEC_WIN16)
 858     {
 859         spec32 = alloc_dll_spec();
 860         add_16bit_exports( spec32, spec );
 861         spec = spec32;
 862     }
 863
 864     if (spec_file_name)
 865         output( "; File generated automatically from %s; do not edit!\n\n",
 866                  spec_file_name );
 867     else
 868         output( "; File generated automatically; do not edit!\n\n" );
 869
 870     output( "LIBRARY %s\n\n", spec->file_name);
 871     output( "EXPORTS\n");
 872
 873     /* Output the exports and relay entry points */
 874
 875     for (i = total = 0; i < spec->nb_entry_points; i++)
 876     {
 877         const ORDDEF *odp = &spec->entry_points[i];
 878         int is_data = 0;
 879
 880         if (!odp) continue;
 881
 882         if (odp->name) name = odp->name;
 883         else if (odp->export_name) name = odp->export_name;
 884         else continue;
 885
 886         if (!(odp->flags & FLAG_PRIVATE)) total++;
 887         else if (!include_private) continue;
 888
 889         if (odp->type == TYPE_STUB) continue;
 890
 891         output( "  %s", name );
 892
 893         switch(odp->type)
 894         {
 895         case TYPE_EXTERN:
 896             is_data = 1;
 897             /* fall through */
 898         case TYPE_VARARGS:
 899         case TYPE_CDECL:
 900         case TYPE_THISCALL:
 901             /* try to reduce output */
 902             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 903                 output( "=%s", odp->link_name );
 904             break;
 905         case TYPE_STDCALL:
 906         {
 907             int at_param = get_args_size( odp );
 908             if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 909             if  (odp->flags & FLAG_FORWARD)
 910             {
 911                 output( "=%s", odp->link_name );
 912             }
 913             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 914             {
 915                 output( "=%s", odp->link_name );
 916                 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 917             }
 918             break;
 919         }
 920         default:
 921             assert(0);
 922         }
 923         output( " @%d", odp->ordinal );
 924         if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
 925         if (is_data) output( " DATA" );
 926         if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
 927         output( "\n" );
 928     }
 929     if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
 930     if (spec32) free_dll_spec( spec32 );
 931 }