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_ARM64   0x01C5
  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.short %d\n", spec->names[i]->ordinal - spec->base );
 367         }
 368         if (spec->nb_names % 2)
 369         {
 370             output( "\t.short 0\n" );
 371         }
 372     }
 373
 374     /* output the export name strings */
 375
 376     output( "\n.L__wine_spec_exp_names:\n" );
 377     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 378     for (i = 0; i < spec->nb_names; i++)
 379         output( "\t%s \"%s\"\n",
 380                  get_asm_string_keyword(), spec->names[i]->name );
 381
 382     /* output forward strings */
 383
 384     if (fwd_size)
 385     {
 386         output( "\n.L__wine_spec_forwards:\n" );
 387         for (i = spec->base; i <= spec->limit; i++)
 388         {
 389             ORDDEF *odp = spec->ordinals[i];
 390             if (odp && (odp->flags & FLAG_FORWARD))
 391                 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
 392         }
 393     }
 394     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 395     output( ".L__wine_spec_exports_end:\n" );
 396
 397     /* output relays */
 398
 399     if (!has_relays( spec ))
 400     {
 401         output( "\t%s 0\n", get_asm_ptr_keyword() );
 402         return;
 403     }
 404
 405     output( ".L__wine_spec_relay_descr:\n" );
 406     output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() );  /* magic */
 407     output( "\t%s 0,0\n", get_asm_ptr_keyword() );         /* relay funcs */
 408     output( "\t%s 0\n", get_asm_ptr_keyword() );           /* private data */
 409     output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
 410     output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
 411     output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
 412
 413     output_relay_debug( spec );
 414 }
 415
 416
 417 /*******************************************************************
 418  *         output_asm_constructor
 419  *
 420  * Output code for calling a dll constructor.
 421  */
 422 static void output_asm_constructor( const char *constructor )
 423 {
 424     if (target_platform == PLATFORM_APPLE)
 425     {
 426         /* Mach-O doesn't have an init section */
 427         output( "\n\t.mod_init_func\n" );
 428         output( "\t.align %d\n", get_alignment(4) );
 429         output( "\t.long %s\n", asm_name(constructor) );
 430     }
 431     else
 432     {
 433         switch(target_cpu)
 434         {
 435         case CPU_x86:
 436         case CPU_x86_64:
 437             output( "\n\t.section \".init\",\"ax\"\n" );
 438             output( "\tcall %s\n", asm_name(constructor) );
 439             break;
 440         case CPU_ARM:
 441             output( "\n\t.section \".text\",\"ax\"\n" );
 442             output( "\tblx %s\n", asm_name(constructor) );
 443             break;
 444         case CPU_ARM64:
 445         case CPU_POWERPC:
 446             output( "\n\t.section \".init\",\"ax\"\n" );
 447             output( "\tbl %s\n", asm_name(constructor) );
 448             break;
 449         }
 450     }
 451 }
 452
 453
 454 /*******************************************************************
 455  *         output_module
 456  *
 457  * Output the module data.
 458  */
 459 void output_module( DLLSPEC *spec )
 460 {
 461     int machine = 0;
 462     unsigned int page_size = get_page_size();
 463
 464     /* Reserve some space for the PE header */
 465
 466     switch (target_platform)
 467     {
 468     case PLATFORM_APPLE:
 469         output( "\t.text\n" );
 470         output( "\t.align %d\n", get_alignment(page_size) );
 471         output( "__wine_spec_pe_header:\n" );
 472         output( "\t.space 65536\n" );
 473         break;
 474     case PLATFORM_SOLARIS:
 475         output( "\n\t.section \".text\",\"ax\"\n" );
 476         output( "__wine_spec_pe_header:\n" );
 477         output( "\t.skip %u\n", 65536 + page_size );
 478         break;
 479     default:
 480         switch(target_cpu)
 481         {
 482         case CPU_x86:
 483         case CPU_x86_64:
 484             output( "\n\t.section \".init\",\"ax\"\n" );
 485             output( "\tjmp 1f\n" );
 486             break;
 487         case CPU_ARM:
 488             output( "\n\t.section \".text\",\"ax\"\n" );
 489             output( "\tb 1f\n" );
 490             break;
 491         case CPU_ARM64:
 492         case CPU_POWERPC:
 493             output( "\n\t.section \".init\",\"ax\"\n" );
 494             output( "\tb 1f\n" );
 495             break;
 496         }
 497         output( "__wine_spec_pe_header:\n" );
 498         output( "\t.skip %u\n", 65536 + page_size );
 499         output( "1:\n" );
 500         break;
 501     }
 502
 503     /* Output the NT header */
 504
 505     output( "\n\t.data\n" );
 506     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 507     output( "%s\n", asm_globl("__wine_spec_nt_header") );
 508     output( ".L__wine_spec_rva_base:\n" );
 509
 510     output( "\t.long 0x4550\n" );         /* Signature */
 511     switch(target_cpu)
 512     {
 513     case CPU_x86:     machine = IMAGE_FILE_MACHINE_I386; break;
 514     case CPU_x86_64:  machine = IMAGE_FILE_MACHINE_AMD64; break;
 515     case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
 516     case CPU_ARM:     machine = IMAGE_FILE_MACHINE_ARMNT; break;
 517     case CPU_ARM64:   machine = IMAGE_FILE_MACHINE_ARM64; break;
 518     }
 519     output( "\t.short 0x%04x\n",          /* Machine */
 520              machine );
 521     output( "\t.short 0\n" );             /* NumberOfSections */
 522     output( "\t.long 0\n" );              /* TimeDateStamp */
 523     output( "\t.long 0\n" );              /* PointerToSymbolTable */
 524     output( "\t.long 0\n" );              /* NumberOfSymbols */
 525     output( "\t.short %d\n",              /* SizeOfOptionalHeader */
 526              get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
 527     output( "\t.short 0x%04x\n",          /* Characteristics */
 528              spec->characteristics );
 529     output( "\t.short 0x%04x\n",          /* Magic */
 530              get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
 531     output( "\t.byte 0\n" );              /* MajorLinkerVersion */
 532     output( "\t.byte 0\n" );              /* MinorLinkerVersion */
 533     output( "\t.long 0\n" );              /* SizeOfCode */
 534     output( "\t.long 0\n" );              /* SizeOfInitializedData */
 535     output( "\t.long 0\n" );              /* SizeOfUninitializedData */
 536     /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
 537     output( "\t%s %s\n",                  /* AddressOfEntryPoint */
 538             get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" );
 539     if (get_ptr_size() == 4)
 540     {
 541         output( "\t.long 0\n" );          /* BaseOfCode */
 542         output( "\t.long 0\n" );          /* BaseOfData */
 543     }
 544     output( "\t%s __wine_spec_pe_header\n",         /* ImageBase */
 545              get_asm_ptr_keyword() );
 546     output( "\t.long %u\n", page_size );  /* SectionAlignment */
 547     output( "\t.long %u\n", page_size );  /* FileAlignment */
 548     output( "\t.short 1,0\n" );           /* Major/MinorOperatingSystemVersion */
 549     output( "\t.short 0,0\n" );           /* Major/MinorImageVersion */
 550     output( "\t.short %u,%u\n",           /* Major/MinorSubsystemVersion */
 551              spec->subsystem_major, spec->subsystem_minor );
 552     output( "\t.long 0\n" );                          /* Win32VersionValue */
 553     output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
 554              asm_name("_end") );
 555     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
 556     output( "\t.long 0\n" );              /* CheckSum */
 557     output( "\t.short 0x%04x\n",          /* Subsystem */
 558              spec->subsystem );
 559     output( "\t.short 0x%04x\n",          /* DllCharacteristics */
 560             spec->dll_characteristics );
 561     output( "\t%s %u,%u\n",               /* SizeOfStackReserve/Commit */
 562              get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 563     output( "\t%s %u,%u\n",               /* SizeOfHeapReserve/Commit */
 564              get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 565     output( "\t.long 0\n" );              /* LoaderFlags */
 566     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 567
 568     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 569         output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
 570                  ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
 571     else
 572         output( "\t.long 0,0\n" );
 573
 574     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 575         output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
 576                  ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
 577     else
 578         output( "\t.long 0,0\n" );
 579
 580     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 581         output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
 582                  ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
 583     else
 584         output( "\t.long 0,0\n" );
 585
 586     output( "\t.long 0,0\n" );  /* DataDirectory[3] */
 587     output( "\t.long 0,0\n" );  /* DataDirectory[4] */
 588     output( "\t.long 0,0\n" );  /* DataDirectory[5] */
 589     output( "\t.long 0,0\n" );  /* DataDirectory[6] */
 590     output( "\t.long 0,0\n" );  /* DataDirectory[7] */
 591     output( "\t.long 0,0\n" );  /* DataDirectory[8] */
 592     output( "\t.long 0,0\n" );  /* DataDirectory[9] */
 593     output( "\t.long 0,0\n" );  /* DataDirectory[10] */
 594     output( "\t.long 0,0\n" );  /* DataDirectory[11] */
 595     output( "\t.long 0,0\n" );  /* DataDirectory[12] */
 596     output( "\t.long 0,0\n" );  /* DataDirectory[13] */
 597     output( "\t.long 0,0\n" );  /* DataDirectory[14] */
 598     output( "\t.long 0,0\n" );  /* DataDirectory[15] */
 599
 600     output( "\n\t%s\n", get_asm_string_section() );
 601     output( "%s\n", asm_globl("__wine_spec_file_name") );
 602     output( ".L__wine_spec_file_name:\n" );
 603     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 604     if (target_platform == PLATFORM_APPLE)
 605         output( "\t.lcomm %s,4\n", asm_name("_end") );
 606
 607     output_asm_constructor( "__wine_spec_init_ctor" );
 608 }
 609
 610
 611 /*******************************************************************
 612  *         BuildSpec32File
 613  *
 614  * Build a Win32 C file from a spec file.
 615  */
 616 void BuildSpec32File( DLLSPEC *spec )
 617 {
 618     resolve_imports( spec );
 619     output_standard_file_header();
 620     output_module( spec );
 621     output_stubs( spec );
 622     output_exports( spec );
 623     output_imports( spec );
 624     if (is_undefined( "__wine_call_from_regs" )) output_asm_relays();
 625     output_resources( spec );
 626     output_gnu_stack_note();
 627 }
 628
 629
 630 /*******************************************************************
 631  *         output_fake_module
 632  *
 633  * Build a fake binary module from a spec file.
 634  */
 635 void output_fake_module( DLLSPEC *spec )
 636 {
 637     static const unsigned char dll_code_section[] = { 0x31, 0xc0,          /* xor %eax,%eax */
 638                                                       0xc2, 0x0c, 0x00 };  /* ret $12 */
 639
 640     static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00,  /* movl $1,%eax */
 641                                                       0xc2, 0x04, 0x00 };            /* ret $4 */
 642
 643     static const char fakedll_signature[] = "Wine placeholder DLL";
 644     const unsigned int page_size = get_page_size();
 645     const unsigned int section_align = page_size;
 646     const unsigned int file_align = 0x200;
 647     const unsigned int reloc_size = 8;
 648     const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
 649     const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
 650     const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
 651                                     sizeof(dll_code_section) : sizeof(exe_code_section);
 652     unsigned char *resources;
 653     unsigned int resources_size;
 654     unsigned int image_size = 3 * section_align;
 655
 656     resolve_imports( spec );
 657     output_bin_resources( spec, 3 * section_align );
 658     resources = output_buffer;
 659     resources_size = output_buffer_pos;
 660     if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
 661
 662     init_output_buffer();
 663
 664     put_word( 0x5a4d );       /* e_magic */
 665     put_word( 0x40 );         /* e_cblp */
 666     put_word( 0x01 );         /* e_cp */
 667     put_word( 0 );            /* e_crlc */
 668     put_word( lfanew / 16 );  /* e_cparhdr */
 669     put_word( 0x0000 );       /* e_minalloc */
 670     put_word( 0xffff );       /* e_maxalloc */
 671     put_word( 0x0000 );       /* e_ss */
 672     put_word( 0x00b8 );       /* e_sp */
 673     put_word( 0 );            /* e_csum */
 674     put_word( 0 );            /* e_ip */
 675     put_word( 0 );            /* e_cs */
 676     put_word( lfanew );       /* e_lfarlc */
 677     put_word( 0 );            /* e_ovno */
 678     put_dword( 0 );           /* e_res */
 679     put_dword( 0 );
 680     put_word( 0 );            /* e_oemid */
 681     put_word( 0 );            /* e_oeminfo */
 682     put_dword( 0 );           /* e_res2 */
 683     put_dword( 0 );
 684     put_dword( 0 );
 685     put_dword( 0 );
 686     put_dword( 0 );
 687     put_dword( lfanew );
 688
 689     put_data( fakedll_signature, sizeof(fakedll_signature) );
 690     align_output( 16 );
 691
 692     put_dword( 0x4550 );                             /* Signature */
 693     switch(target_cpu)
 694     {
 695     case CPU_x86:     put_word( IMAGE_FILE_MACHINE_I386 ); break;
 696     case CPU_x86_64:  put_word( IMAGE_FILE_MACHINE_AMD64 ); break;
 697     case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break;
 698     case CPU_ARM:     put_word( IMAGE_FILE_MACHINE_ARMNT ); break;
 699     case CPU_ARM64:   put_word( IMAGE_FILE_MACHINE_ARM64 ); break;
 700     }
 701     put_word( nb_sections );                         /* NumberOfSections */
 702     put_dword( 0 );                                  /* TimeDateStamp */
 703     put_dword( 0 );                                  /* PointerToSymbolTable */
 704     put_dword( 0 );                                  /* NumberOfSymbols */
 705     put_word( get_ptr_size() == 8 ?
 706               IMAGE_SIZEOF_NT_OPTIONAL64_HEADER :
 707               IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );   /* SizeOfOptionalHeader */
 708     put_word( spec->characteristics );               /* Characteristics */
 709     put_word( get_ptr_size() == 8 ?
 710               IMAGE_NT_OPTIONAL_HDR64_MAGIC :
 711               IMAGE_NT_OPTIONAL_HDR32_MAGIC );       /* Magic */
 712     put_byte(  0 );                                  /* MajorLinkerVersion */
 713     put_byte(  0 );                                  /* MinorLinkerVersion */
 714     put_dword( text_size );                          /* SizeOfCode */
 715     put_dword( 0 );                                  /* SizeOfInitializedData */
 716     put_dword( 0 );                                  /* SizeOfUninitializedData */
 717     put_dword( section_align );                      /* AddressOfEntryPoint */
 718     put_dword( section_align );                      /* BaseOfCode */
 719     if (get_ptr_size() == 4) put_dword( 0 );         /* BaseOfData */
 720     put_pword( 0x10000000 );                         /* ImageBase */
 721     put_dword( section_align );                      /* SectionAlignment */
 722     put_dword( file_align );                         /* FileAlignment */
 723     put_word( 1 );                                   /* MajorOperatingSystemVersion */
 724     put_word( 0 );                                   /* MinorOperatingSystemVersion */
 725     put_word( 0 );                                   /* MajorImageVersion */
 726     put_word( 0 );                                   /* MinorImageVersion */
 727     put_word( spec->subsystem_major );               /* MajorSubsystemVersion */
 728     put_word( spec->subsystem_minor );               /* MinorSubsystemVersion */
 729     put_dword( 0 );                                  /* Win32VersionValue */
 730     put_dword( image_size );                         /* SizeOfImage */
 731     put_dword( file_align );                         /* SizeOfHeaders */
 732     put_dword( 0 );                                  /* CheckSum */
 733     put_word( spec->subsystem );                     /* Subsystem */
 734     put_word( spec->dll_characteristics );           /* DllCharacteristics */
 735     put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */
 736     put_pword( page_size );                          /* SizeOfStackCommit */
 737     put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 );   /* SizeOfHeapReserve */
 738     put_pword( page_size );                          /* SizeOfHeapCommit */
 739     put_dword( 0 );                                  /* LoaderFlags */
 740     put_dword( 16 );                                 /* NumberOfRvaAndSizes */
 741
 742     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 743     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 744     if (resources_size)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 745     {
 746         put_dword( 3 * section_align );
 747         put_dword( resources_size );
 748     }
 749     else
 750     {
 751         put_dword( 0 );
 752         put_dword( 0 );
 753     }
 754
 755     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
 756     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
 757     put_dword( 2 * section_align );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
 758     put_dword( reloc_size );
 759     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
 760     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
 761     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
 762     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
 763     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
 764     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
 765     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
 766     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
 767     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
 768     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[15] */
 769
 770     /* .text section */
 771     put_data( ".text\0\0", 8 );    /* Name */
 772     put_dword( section_align );    /* VirtualSize */
 773     put_dword( section_align );    /* VirtualAddress */
 774     put_dword( text_size );        /* SizeOfRawData */
 775     put_dword( file_align );       /* PointerToRawData */
 776     put_dword( 0 );                /* PointerToRelocations */
 777     put_dword( 0 );                /* PointerToLinenumbers */
 778     put_word( 0 );                 /* NumberOfRelocations */
 779     put_word( 0 );                 /* NumberOfLinenumbers */
 780     put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics  */
 781
 782     /* .reloc section */
 783     put_data( ".reloc\0", 8 );     /* Name */
 784     put_dword( section_align );    /* VirtualSize */
 785     put_dword( 2 * section_align );/* VirtualAddress */
 786     put_dword( reloc_size );       /* SizeOfRawData */
 787     put_dword( 2 * file_align );   /* PointerToRawData */
 788     put_dword( 0 );                /* PointerToRelocations */
 789     put_dword( 0 );                /* PointerToLinenumbers */
 790     put_word( 0 );                 /* NumberOfRelocations */
 791     put_word( 0 );                 /* NumberOfLinenumbers */
 792     put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
 793
 794     /* .rsrc section */
 795     if (resources_size)
 796     {
 797         put_data( ".rsrc\0\0", 8 );    /* Name */
 798         put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
 799         put_dword( 3 * section_align );/* VirtualAddress */
 800         put_dword( resources_size );   /* SizeOfRawData */
 801         put_dword( 3 * file_align );   /* PointerToRawData */
 802         put_dword( 0 );                /* PointerToRelocations */
 803         put_dword( 0 );                /* PointerToLinenumbers */
 804         put_word( 0 );                 /* NumberOfRelocations */
 805         put_word( 0 );                 /* NumberOfLinenumbers */
 806         put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
 807     }
 808
 809     /* .text contents */
 810     align_output( file_align );
 811     if (spec->characteristics & IMAGE_FILE_DLL)
 812         put_data( dll_code_section, sizeof(dll_code_section) );
 813     else
 814         put_data( exe_code_section, sizeof(exe_code_section) );
 815
 816     /* .reloc contents */
 817     align_output( file_align );
 818     put_dword( 0 );   /* VirtualAddress */
 819     put_dword( 0 );   /* SizeOfBlock */
 820
 821     /* .rsrc contents */
 822     if (resources_size)
 823     {
 824         align_output( file_align );
 825         put_data( resources, resources_size );
 826     }
 827     flush_output_buffer();
 828 }
 829
 830
 831 /*******************************************************************
 832  *         output_def_file
 833  *
 834  * Build a Win32 def file from a spec file.
 835  */
 836 void output_def_file( DLLSPEC *spec, int include_private )
 837 {
 838     DLLSPEC *spec32 = NULL;
 839     const char *name;
 840     int i, total;
 841
 842     if (spec->type == SPEC_WIN16)
 843     {
 844         spec32 = alloc_dll_spec();
 845         add_16bit_exports( spec32, spec );
 846         spec = spec32;
 847     }
 848
 849     if (spec_file_name)
 850         output( "; File generated automatically from %s; do not edit!\n\n",
 851                  spec_file_name );
 852     else
 853         output( "; File generated automatically; do not edit!\n\n" );
 854
 855     output( "LIBRARY %s\n\n", spec->file_name);
 856     output( "EXPORTS\n");
 857
 858     /* Output the exports and relay entry points */
 859
 860     for (i = total = 0; i < spec->nb_entry_points; i++)
 861     {
 862         const ORDDEF *odp = &spec->entry_points[i];
 863         int is_data = 0;
 864
 865         if (!odp) continue;
 866
 867         if (odp->name) name = odp->name;
 868         else if (odp->export_name) name = odp->export_name;
 869         else continue;
 870
 871         if (!(odp->flags & FLAG_PRIVATE)) total++;
 872         else if (!include_private) continue;
 873
 874         if (odp->type == TYPE_STUB) continue;
 875
 876         output( "  %s", name );
 877
 878         switch(odp->type)
 879         {
 880         case TYPE_EXTERN:
 881             is_data = 1;
 882             /* fall through */
 883         case TYPE_VARARGS:
 884         case TYPE_CDECL:
 885         case TYPE_THISCALL:
 886             /* try to reduce output */
 887             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 888                 output( "=%s", odp->link_name );
 889             break;
 890         case TYPE_STDCALL:
 891         {
 892             int at_param = get_args_size( odp );
 893             if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 894             if  (odp->flags & FLAG_FORWARD)
 895             {
 896                 output( "=%s", odp->link_name );
 897             }
 898             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 899             {
 900                 output( "=%s", odp->link_name );
 901                 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 902             }
 903             break;
 904         }
 905         default:
 906             assert(0);
 907         }
 908         output( " @%d", odp->ordinal );
 909         if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
 910         if (is_data) output( " DATA" );
 911         if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
 912         output( "\n" );
 913     }
 914     if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
 915     if (spec32) free_dll_spec( spec32 );
 916 }