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_ALPHA   0x0184
  38 #define IMAGE_FILE_MACHINE_POWERPC 0x01f0
  39 #define IMAGE_FILE_MACHINE_AMD64   0x8664
  40 #define IMAGE_FILE_MACHINE_ARM     0x01C0
  41
  42 #define IMAGE_SIZEOF_NT_OPTIONAL32_HEADER 224
  43 #define IMAGE_SIZEOF_NT_OPTIONAL64_HEADER 240
  44
  45 #define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
  46 #define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
  47 #define IMAGE_ROM_OPTIONAL_HDR_MAGIC  0x107
  48
  49 /* check if entry point needs a relay thunk */
  50 static inline int needs_relay( const ORDDEF *odp )
  51 {
  52     /* skip nonexistent entry points */
  53     if (!odp) return 0;
  54     /* skip non-functions */
  55     if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL && odp->type != TYPE_THISCALL) return 0;
  56     /* skip norelay and forward entry points */
  57     if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) return 0;
  58     /* skip register entry points on x86_64 */
  59     if (target_cpu == CPU_x86_64 && (odp->flags & FLAG_REGISTER)) return 0;
  60     return 1;
  61 }
  62
  63 static int is_float_arg( const ORDDEF *odp, unsigned int arg )
  64 {
  65     if (arg >= odp->u.func.nb_args) return 0;
  66     return (odp->u.func.args[arg] == ARG_FLOAT || odp->u.func.args[arg] == ARG_DOUBLE);
  67 }
  68
  69 /* check if dll will output relay thunks */
  70 int has_relays( DLLSPEC *spec )
  71 {
  72     int i;
  73
  74     if (target_cpu != CPU_x86 && target_cpu != CPU_x86_64) return 0;
  75
  76     for (i = spec->base; i <= spec->limit; i++)
  77     {
  78         ORDDEF *odp = spec->ordinals[i];
  79         if (needs_relay( odp )) return 1;
  80     }
  81     return 0;
  82 }
  83
  84 /*******************************************************************
  85  *         output_relay_debug
  86  *
  87  * Output entry points for relay debugging
  88  */
  89 static void output_relay_debug( DLLSPEC *spec )
  90 {
  91     int i;
  92     unsigned int j, pos, args, flags;
  93
  94     /* first the table of entry point offsets */
  95
  96     output( "\t%s\n", get_asm_rodata_section() );
  97     output( "\t.align %d\n", get_alignment(4) );
  98     output( ".L__wine_spec_relay_entry_point_offsets:\n" );
  99
 100     for (i = spec->base; i <= spec->limit; i++)
 101     {
 102         ORDDEF *odp = spec->ordinals[i];
 103
 104         if (needs_relay( odp ))
 105             output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i );
 106         else
 107             output( "\t.long 0\n" );
 108     }
 109
 110     /* then the table of argument types */
 111
 112     output( "\t.align %d\n", get_alignment(4) );
 113     output( ".L__wine_spec_relay_arg_types:\n" );
 114
 115     for (i = spec->base; i <= spec->limit; i++)
 116     {
 117         ORDDEF *odp = spec->ordinals[i];
 118         unsigned int mask = 0;
 119
 120         if (needs_relay( odp ))
 121         {
 122             for (j = pos = 0; pos < 16 && j < odp->u.func.nb_args; j++)
 123             {
 124                 switch (odp->u.func.args[j])
 125                 {
 126                 case ARG_STR:    mask |= 1 << (2 * pos++); break;
 127                 case ARG_WSTR:   mask |= 2 << (2 * pos++); break;
 128                 case ARG_INT64:
 129                 case ARG_DOUBLE: pos += 8 / get_ptr_size(); break;
 130                 case ARG_INT128: pos += (target_cpu == CPU_x86) ? 4 : 1; break;
 131                 default:         pos++; break;
 132                 }
 133             }
 134         }
 135         output( "\t.long 0x%08x\n", mask );
 136     }
 137
 138     /* then the relay thunks */
 139
 140     output( "\t.text\n" );
 141     output( "__wine_spec_relay_entry_points:\n" );
 142     output( "\tnop\n" );  /* to avoid 0 offset */
 143
 144     for (i = spec->base; i <= spec->limit; i++)
 145     {
 146         ORDDEF *odp = spec->ordinals[i];
 147
 148         if (!needs_relay( odp )) continue;
 149
 150         output( "\t.align %d\n", get_alignment(4) );
 151         output( ".L__wine_spec_relay_entry_point_%d:\n", i );
 152
 153         args = get_args_size(odp) / get_ptr_size();
 154         flags = 0;
 155
 156         switch (target_cpu)
 157         {
 158         case CPU_x86:
 159             if (odp->type == TYPE_THISCALL)  /* add the this pointer */
 160             {
 161                 output( "\tpopl %%eax\n" );
 162                 output( "\tpushl %%ecx\n" );
 163                 output( "\tpushl %%eax\n" );
 164                 flags |= 2;
 165             }
 166             if (odp->flags & FLAG_REGISTER)
 167                 output( "\tpushl %%eax\n" );
 168             else
 169                 output( "\tpushl %%esp\n" );
 170
 171             if (odp->flags & FLAG_RET64) flags |= 1;
 172             output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) );
 173
 174             if (UsePIC)
 175             {
 176                 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
 177                 output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
 178             }
 179             else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
 180             output( "\tpushl %%eax\n" );
 181
 182             if (odp->flags & FLAG_REGISTER)
 183             {
 184                 output( "\tcall *8(%%eax)\n" );
 185             }
 186             else
 187             {
 188                 output( "\tcall *4(%%eax)\n" );
 189                 if (odp->type == TYPE_STDCALL || odp->type == TYPE_THISCALL)
 190                     output( "\tret $%u\n", args * get_ptr_size() );
 191                 else
 192                     output( "\tret\n" );
 193             }
 194             break;
 195
 196         case CPU_x86_64:
 197             output( "\t.cfi_startproc\n" );
 198             output( "\tsubq $40,%%rsp\n" );
 199             output( "\t.cfi_adjust_cfa_offset 40\n" );
 200             switch (args)
 201             {
 202             default: output( "\tmovq %%%s,72(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" );
 203             case 3:  output( "\tmovq %%%s,64(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" );
 204             case 2:  output( "\tmovq %%%s,56(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" );
 205             case 1:  output( "\tmovq %%%s,48(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" );
 206             case 0:  break;
 207             }
 208             output( "\tleaq 40(%%rsp),%%r8\n" );
 209             output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) );
 210             output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
 211             output( "\tcallq *8(%%rcx)\n" );
 212             output( "\taddq $40,%%rsp\n" );
 213             output( "\t.cfi_adjust_cfa_offset -40\n" );
 214             output( "\tret\n" );
 215             output( "\t.cfi_endproc\n" );
 216             break;
 217
 218         default:
 219             assert(0);
 220         }
 221     }
 222 }
 223
 224 /*******************************************************************
 225  *         output_exports
 226  *
 227  * Output the export table for a Win32 module.
 228  */
 229 void output_exports( DLLSPEC *spec )
 230 {
 231     int i, fwd_size = 0;
 232     int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
 233
 234     if (!nr_exports) return;
 235
 236     output( "\n/* export table */\n\n" );
 237     output( "\t.data\n" );
 238     output( "\t.align %d\n", get_alignment(4) );
 239     output( ".L__wine_spec_exports:\n" );
 240
 241     /* export directory header */
 242
 243     output( "\t.long 0\n" );                       /* Characteristics */
 244     output( "\t.long 0\n" );                       /* TimeDateStamp */
 245     output( "\t.long 0\n" );                       /* MajorVersion/MinorVersion */
 246     output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
 247     output( "\t.long %u\n", spec->base );          /* Base */
 248     output( "\t.long %u\n", nr_exports );          /* NumberOfFunctions */
 249     output( "\t.long %u\n", spec->nb_names );      /* NumberOfNames */
 250     output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
 251     if (spec->nb_names)
 252     {
 253         output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
 254         output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" );  /* AddressOfNameOrdinals */
 255     }
 256     else
 257     {
 258         output( "\t.long 0\n" );  /* AddressOfNames */
 259         output( "\t.long 0\n" );  /* AddressOfNameOrdinals */
 260     }
 261
 262     /* output the function pointers */
 263
 264     output( "\n.L__wine_spec_exports_funcs:\n" );
 265     for (i = spec->base; i <= spec->limit; i++)
 266     {
 267         ORDDEF *odp = spec->ordinals[i];
 268         if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
 269         else switch(odp->type)
 270         {
 271         case TYPE_EXTERN:
 272         case TYPE_STDCALL:
 273         case TYPE_VARARGS:
 274         case TYPE_CDECL:
 275         case TYPE_THISCALL:
 276             if (odp->flags & FLAG_FORWARD)
 277             {
 278                 output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
 279                 fwd_size += strlen(odp->link_name) + 1;
 280             }
 281             else if (odp->flags & FLAG_EXT_LINK)
 282             {
 283                 output( "\t%s %s_%s\n",
 284                          get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
 285             }
 286             else
 287             {
 288                 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
 289             }
 290             break;
 291         case TYPE_STUB:
 292             output( "\t%s %s\n", get_asm_ptr_keyword(),
 293                      asm_name( get_stub_name( odp, spec )) );
 294             break;
 295         default:
 296             assert(0);
 297         }
 298     }
 299
 300     if (spec->nb_names)
 301     {
 302         /* output the function name pointers */
 303
 304         int namepos = strlen(spec->file_name) + 1;
 305
 306         output( "\n.L__wine_spec_exp_name_ptrs:\n" );
 307         for (i = 0; i < spec->nb_names; i++)
 308         {
 309             output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
 310             namepos += strlen(spec->names[i]->name) + 1;
 311         }
 312
 313         /* output the function ordinals */
 314
 315         output( "\n.L__wine_spec_exp_ordinals:\n" );
 316         for (i = 0; i < spec->nb_names; i++)
 317         {
 318             output( "\t%s %d\n",
 319                      get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
 320         }
 321         if (spec->nb_names % 2)
 322         {
 323             output( "\t%s 0\n", get_asm_short_keyword() );
 324         }
 325     }
 326
 327     /* output the export name strings */
 328
 329     output( "\n.L__wine_spec_exp_names:\n" );
 330     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 331     for (i = 0; i < spec->nb_names; i++)
 332         output( "\t%s \"%s\"\n",
 333                  get_asm_string_keyword(), spec->names[i]->name );
 334
 335     /* output forward strings */
 336
 337     if (fwd_size)
 338     {
 339         output( "\n.L__wine_spec_forwards:\n" );
 340         for (i = spec->base; i <= spec->limit; i++)
 341         {
 342             ORDDEF *odp = spec->ordinals[i];
 343             if (odp && (odp->flags & FLAG_FORWARD))
 344                 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
 345         }
 346     }
 347     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 348     output( ".L__wine_spec_exports_end:\n" );
 349
 350     /* output relays */
 351
 352     if (!has_relays( spec ))
 353     {
 354         output( "\t%s 0\n", get_asm_ptr_keyword() );
 355         return;
 356     }
 357
 358     output( ".L__wine_spec_relay_descr:\n" );
 359     output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() );  /* magic */
 360     output( "\t%s 0,0\n", get_asm_ptr_keyword() );         /* relay funcs */
 361     output( "\t%s 0\n", get_asm_ptr_keyword() );           /* private data */
 362     output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
 363     output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
 364     output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
 365
 366     output_relay_debug( spec );
 367 }
 368
 369
 370 /*******************************************************************
 371  *         output_asm_constructor
 372  *
 373  * Output code for calling a dll constructor.
 374  */
 375 static void output_asm_constructor( const char *constructor )
 376 {
 377     if (target_platform == PLATFORM_APPLE)
 378     {
 379         /* Mach-O doesn't have an init section */
 380         output( "\n\t.mod_init_func\n" );
 381         output( "\t.align %d\n", get_alignment(4) );
 382         output( "\t.long %s\n", asm_name(constructor) );
 383     }
 384     else
 385     {
 386         output( "\n\t.section \".init\",\"ax\"\n" );
 387         switch(target_cpu)
 388         {
 389         case CPU_x86:
 390         case CPU_x86_64:
 391             output( "\tcall %s\n", asm_name(constructor) );
 392             break;
 393         case CPU_SPARC:
 394             output( "\tcall %s\n", asm_name(constructor) );
 395             output( "\tnop\n" );
 396             break;
 397         case CPU_ALPHA:
 398             output( "\tjsr $26,%s\n", asm_name(constructor) );
 399             break;
 400         case CPU_ARM:
 401         case CPU_POWERPC:
 402             output( "\tbl %s\n", asm_name(constructor) );
 403             break;
 404         }
 405     }
 406 }
 407
 408
 409 /*******************************************************************
 410  *         output_module
 411  *
 412  * Output the module data.
 413  */
 414 void output_module( DLLSPEC *spec )
 415 {
 416     int machine = 0;
 417     unsigned int page_size = get_page_size();
 418
 419     /* Reserve some space for the PE header */
 420
 421     switch (target_platform)
 422     {
 423     case PLATFORM_APPLE:
 424         output( "\t.text\n" );
 425         output( "\t.align %d\n", get_alignment(page_size) );
 426         output( "__wine_spec_pe_header:\n" );
 427         output( "\t.space 65536\n" );
 428         break;
 429     case PLATFORM_SOLARIS:
 430         output( "\n\t.section \".text\",\"ax\"\n" );
 431         output( "__wine_spec_pe_header:\n" );
 432         output( "\t.skip %u\n", 65536 + page_size );
 433         break;
 434     default:
 435         output( "\n\t.section \".init\",\"ax\"\n" );
 436         switch(target_cpu)
 437         {
 438         case CPU_x86:
 439         case CPU_x86_64:
 440         case CPU_ALPHA:
 441         case CPU_SPARC:
 442             output( "\tjmp 1f\n" );
 443             break;
 444         case CPU_ARM:
 445         case CPU_POWERPC:
 446             output( "\tb 1f\n" );
 447             break;
 448         }
 449         output( "__wine_spec_pe_header:\n" );
 450         output( "\t.skip %u\n", 65536 + page_size );
 451         output( "1:\n" );
 452         break;
 453     }
 454
 455     /* Output the NT header */
 456
 457     output( "\n\t.data\n" );
 458     output( "\t.align %d\n", get_alignment(get_ptr_size()) );
 459     output( "%s\n", asm_globl("__wine_spec_nt_header") );
 460     output( ".L__wine_spec_rva_base:\n" );
 461
 462     output( "\t.long 0x4550\n" );         /* Signature */
 463     switch(target_cpu)
 464     {
 465     case CPU_x86:     machine = IMAGE_FILE_MACHINE_I386; break;
 466     case CPU_x86_64:  machine = IMAGE_FILE_MACHINE_AMD64; break;
 467     case CPU_ARM:     machine = IMAGE_FILE_MACHINE_ARM; break;
 468     case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
 469     case CPU_ALPHA:   machine = IMAGE_FILE_MACHINE_ALPHA; break;
 470     case CPU_SPARC:   machine = IMAGE_FILE_MACHINE_UNKNOWN; break;
 471     }
 472     output( "\t%s 0x%04x\n",              /* Machine */
 473              get_asm_short_keyword(), machine );
 474     output( "\t%s 0\n",                   /* NumberOfSections */
 475              get_asm_short_keyword() );
 476     output( "\t.long 0\n" );              /* TimeDateStamp */
 477     output( "\t.long 0\n" );              /* PointerToSymbolTable */
 478     output( "\t.long 0\n" );              /* NumberOfSymbols */
 479     output( "\t%s %d\n",                  /* SizeOfOptionalHeader */
 480              get_asm_short_keyword(),
 481              get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
 482     output( "\t%s 0x%04x\n",              /* Characteristics */
 483              get_asm_short_keyword(), spec->characteristics );
 484     output( "\t%s 0x%04x\n",              /* Magic */
 485              get_asm_short_keyword(),
 486              get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
 487     output( "\t.byte 0\n" );              /* MajorLinkerVersion */
 488     output( "\t.byte 0\n" );              /* MinorLinkerVersion */
 489     output( "\t.long 0\n" );              /* SizeOfCode */
 490     output( "\t.long 0\n" );              /* SizeOfInitializedData */
 491     output( "\t.long 0\n" );              /* SizeOfUninitializedData */
 492     /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
 493     output( "\t%s %s\n",                  /* AddressOfEntryPoint */
 494             get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" );
 495     if (get_ptr_size() == 4)
 496     {
 497         output( "\t.long 0\n" );          /* BaseOfCode */
 498         output( "\t.long 0\n" );          /* BaseOfData */
 499     }
 500     output( "\t%s __wine_spec_pe_header\n",         /* ImageBase */
 501              get_asm_ptr_keyword() );
 502     output( "\t.long %u\n", page_size );  /* SectionAlignment */
 503     output( "\t.long %u\n", page_size );  /* FileAlignment */
 504     output( "\t%s 1,0\n",                 /* Major/MinorOperatingSystemVersion */
 505              get_asm_short_keyword() );
 506     output( "\t%s 0,0\n",                 /* Major/MinorImageVersion */
 507              get_asm_short_keyword() );
 508     output( "\t%s %u,%u\n",               /* Major/MinorSubsystemVersion */
 509              get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
 510     output( "\t.long 0\n" );                          /* Win32VersionValue */
 511     output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
 512              asm_name("_end") );
 513     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
 514     output( "\t.long 0\n" );              /* CheckSum */
 515     output( "\t%s 0x%04x\n",              /* Subsystem */
 516              get_asm_short_keyword(), spec->subsystem );
 517     output( "\t%s 0x%04x\n",              /* DllCharacteristics */
 518             get_asm_short_keyword(), spec->dll_characteristics );
 519     output( "\t%s %u,%u\n",               /* SizeOfStackReserve/Commit */
 520              get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
 521     output( "\t%s %u,%u\n",               /* SizeOfHeapReserve/Commit */
 522              get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
 523     output( "\t.long 0\n" );              /* LoaderFlags */
 524     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 525
 526     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 527         output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
 528                  ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
 529     else
 530         output( "\t.long 0,0\n" );
 531
 532     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 533         output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
 534                  ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
 535     else
 536         output( "\t.long 0,0\n" );
 537
 538     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 539         output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
 540                  ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
 541     else
 542         output( "\t.long 0,0\n" );
 543
 544     output( "\t.long 0,0\n" );  /* DataDirectory[3] */
 545     output( "\t.long 0,0\n" );  /* DataDirectory[4] */
 546     output( "\t.long 0,0\n" );  /* DataDirectory[5] */
 547     output( "\t.long 0,0\n" );  /* DataDirectory[6] */
 548     output( "\t.long 0,0\n" );  /* DataDirectory[7] */
 549     output( "\t.long 0,0\n" );  /* DataDirectory[8] */
 550     output( "\t.long 0,0\n" );  /* DataDirectory[9] */
 551     output( "\t.long 0,0\n" );  /* DataDirectory[10] */
 552     output( "\t.long 0,0\n" );  /* DataDirectory[11] */
 553     output( "\t.long 0,0\n" );  /* DataDirectory[12] */
 554     output( "\t.long 0,0\n" );  /* DataDirectory[13] */
 555     output( "\t.long 0,0\n" );  /* DataDirectory[14] */
 556     output( "\t.long 0,0\n" );  /* DataDirectory[15] */
 557
 558     output( "\n\t%s\n", get_asm_string_section() );
 559     output( "%s\n", asm_globl("__wine_spec_file_name") );
 560     output( ".L__wine_spec_file_name:\n" );
 561     output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
 562     if (target_platform == PLATFORM_APPLE)
 563         output( "\t.lcomm %s,4\n", asm_name("_end") );
 564
 565     output_asm_constructor( "__wine_spec_init_ctor" );
 566 }
 567
 568
 569 /*******************************************************************
 570  *         BuildSpec32File
 571  *
 572  * Build a Win32 C file from a spec file.
 573  */
 574 void BuildSpec32File( DLLSPEC *spec )
 575 {
 576     resolve_imports( spec );
 577     output_standard_file_header();
 578     output_module( spec );
 579     output_stubs( spec );
 580     output_exports( spec );
 581     output_imports( spec );
 582     if (is_undefined( "__wine_call_from_regs" )) output_asm_relays();
 583     output_resources( spec );
 584     output_gnu_stack_note();
 585 }
 586
 587
 588 /*******************************************************************
 589  *         output_fake_module
 590  *
 591  * Build a fake binary module from a spec file.
 592  */
 593 void output_fake_module( DLLSPEC *spec )
 594 {
 595     static const unsigned char dll_code_section[] = { 0x31, 0xc0,          /* xor %eax,%eax */
 596                                                       0xc2, 0x0c, 0x00 };  /* ret $12 */
 597
 598     static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00,  /* movl $1,%eax */
 599                                                       0xc2, 0x04, 0x00 };            /* ret $4 */
 600
 601     static const char fakedll_signature[] = "Wine placeholder DLL";
 602     const unsigned int page_size = get_page_size();
 603     const unsigned int section_align = page_size;
 604     const unsigned int file_align = 0x200;
 605     const unsigned int reloc_size = 8;
 606     const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
 607     const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
 608     const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
 609                                     sizeof(dll_code_section) : sizeof(exe_code_section);
 610     unsigned char *resources;
 611     unsigned int resources_size;
 612     unsigned int image_size = 3 * section_align;
 613
 614     resolve_imports( spec );
 615     output_bin_resources( spec, 3 * section_align );
 616     resources = output_buffer;
 617     resources_size = output_buffer_pos;
 618     if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
 619
 620     init_output_buffer();
 621
 622     put_word( 0x5a4d );       /* e_magic */
 623     put_word( 0x40 );         /* e_cblp */
 624     put_word( 0x01 );         /* e_cp */
 625     put_word( 0 );            /* e_crlc */
 626     put_word( lfanew / 16 );  /* e_cparhdr */
 627     put_word( 0x0000 );       /* e_minalloc */
 628     put_word( 0xffff );       /* e_maxalloc */
 629     put_word( 0x0000 );       /* e_ss */
 630     put_word( 0x00b8 );       /* e_sp */
 631     put_word( 0 );            /* e_csum */
 632     put_word( 0 );            /* e_ip */
 633     put_word( 0 );            /* e_cs */
 634     put_word( lfanew );       /* e_lfarlc */
 635     put_word( 0 );            /* e_ovno */
 636     put_dword( 0 );           /* e_res */
 637     put_dword( 0 );
 638     put_word( 0 );            /* e_oemid */
 639     put_word( 0 );            /* e_oeminfo */
 640     put_dword( 0 );           /* e_res2 */
 641     put_dword( 0 );
 642     put_dword( 0 );
 643     put_dword( 0 );
 644     put_dword( 0 );
 645     put_dword( lfanew );
 646
 647     put_data( fakedll_signature, sizeof(fakedll_signature) );
 648     align_output( 16 );
 649
 650     put_dword( 0x4550 );                             /* Signature */
 651     switch(target_cpu)
 652     {
 653     case CPU_x86:     put_word( IMAGE_FILE_MACHINE_I386 ); break;
 654     case CPU_x86_64:  put_word( IMAGE_FILE_MACHINE_AMD64 ); break;
 655     case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break;
 656     case CPU_ALPHA:   put_word( IMAGE_FILE_MACHINE_ALPHA ); break;
 657     case CPU_SPARC:   put_word( IMAGE_FILE_MACHINE_UNKNOWN ); break;
 658     case CPU_ARM:     put_word( IMAGE_FILE_MACHINE_ARM ); break;
 659     }
 660     put_word( nb_sections );                         /* NumberOfSections */
 661     put_dword( 0 );                                  /* TimeDateStamp */
 662     put_dword( 0 );                                  /* PointerToSymbolTable */
 663     put_dword( 0 );                                  /* NumberOfSymbols */
 664     put_word( get_ptr_size() == 8 ?
 665               IMAGE_SIZEOF_NT_OPTIONAL64_HEADER :
 666               IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );   /* SizeOfOptionalHeader */
 667     put_word( spec->characteristics );               /* Characteristics */
 668     put_word( get_ptr_size() == 8 ?
 669               IMAGE_NT_OPTIONAL_HDR64_MAGIC :
 670               IMAGE_NT_OPTIONAL_HDR32_MAGIC );       /* Magic */
 671     put_byte(  0 );                                  /* MajorLinkerVersion */
 672     put_byte(  0 );                                  /* MinorLinkerVersion */
 673     put_dword( text_size );                          /* SizeOfCode */
 674     put_dword( 0 );                                  /* SizeOfInitializedData */
 675     put_dword( 0 );                                  /* SizeOfUninitializedData */
 676     put_dword( section_align );                      /* AddressOfEntryPoint */
 677     put_dword( section_align );                      /* BaseOfCode */
 678     if (get_ptr_size() == 4) put_dword( 0 );         /* BaseOfData */
 679     put_pword( 0x10000000 );                         /* ImageBase */
 680     put_dword( section_align );                      /* SectionAlignment */
 681     put_dword( file_align );                         /* FileAlignment */
 682     put_word( 1 );                                   /* MajorOperatingSystemVersion */
 683     put_word( 0 );                                   /* MinorOperatingSystemVersion */
 684     put_word( 0 );                                   /* MajorImageVersion */
 685     put_word( 0 );                                   /* MinorImageVersion */
 686     put_word( spec->subsystem_major );               /* MajorSubsystemVersion */
 687     put_word( spec->subsystem_minor );               /* MinorSubsystemVersion */
 688     put_dword( 0 );                                  /* Win32VersionValue */
 689     put_dword( image_size );                         /* SizeOfImage */
 690     put_dword( file_align );                         /* SizeOfHeaders */
 691     put_dword( 0 );                                  /* CheckSum */
 692     put_word( spec->subsystem );                     /* Subsystem */
 693     put_word( spec->dll_characteristics );           /* DllCharacteristics */
 694     put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */
 695     put_pword( page_size );                          /* SizeOfStackCommit */
 696     put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 );   /* SizeOfHeapReserve */
 697     put_pword( page_size );                          /* SizeOfHeapCommit */
 698     put_dword( 0 );                                  /* LoaderFlags */
 699     put_dword( 16 );                                 /* NumberOfRvaAndSizes */
 700
 701     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
 702     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
 703     if (resources_size)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
 704     {
 705         put_dword( 3 * section_align );
 706         put_dword( resources_size );
 707     }
 708     else
 709     {
 710         put_dword( 0 );
 711         put_dword( 0 );
 712     }
 713
 714     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
 715     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
 716     put_dword( 2 * section_align );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
 717     put_dword( reloc_size );
 718     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
 719     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
 720     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
 721     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
 722     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
 723     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
 724     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
 725     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
 726     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
 727     put_dword( 0 ); put_dword( 0 );   /* DataDirectory[15] */
 728
 729     /* .text section */
 730     put_data( ".text\0\0", 8 );    /* Name */
 731     put_dword( section_align );    /* VirtualSize */
 732     put_dword( section_align );    /* VirtualAddress */
 733     put_dword( text_size );        /* SizeOfRawData */
 734     put_dword( file_align );       /* PointerToRawData */
 735     put_dword( 0 );                /* PointerToRelocations */
 736     put_dword( 0 );                /* PointerToLinenumbers */
 737     put_word( 0 );                 /* NumberOfRelocations */
 738     put_word( 0 );                 /* NumberOfLinenumbers */
 739     put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics  */
 740
 741     /* .reloc section */
 742     put_data( ".reloc\0", 8 );     /* Name */
 743     put_dword( section_align );    /* VirtualSize */
 744     put_dword( 2 * section_align );/* VirtualAddress */
 745     put_dword( reloc_size );       /* SizeOfRawData */
 746     put_dword( 2 * file_align );   /* PointerToRawData */
 747     put_dword( 0 );                /* PointerToRelocations */
 748     put_dword( 0 );                /* PointerToLinenumbers */
 749     put_word( 0 );                 /* NumberOfRelocations */
 750     put_word( 0 );                 /* NumberOfLinenumbers */
 751     put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
 752
 753     /* .rsrc section */
 754     if (resources_size)
 755     {
 756         put_data( ".rsrc\0\0", 8 );    /* Name */
 757         put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
 758         put_dword( 3 * section_align );/* VirtualAddress */
 759         put_dword( resources_size );   /* SizeOfRawData */
 760         put_dword( 3 * file_align );   /* PointerToRawData */
 761         put_dword( 0 );                /* PointerToRelocations */
 762         put_dword( 0 );                /* PointerToLinenumbers */
 763         put_word( 0 );                 /* NumberOfRelocations */
 764         put_word( 0 );                 /* NumberOfLinenumbers */
 765         put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
 766     }
 767
 768     /* .text contents */
 769     align_output( file_align );
 770     if (spec->characteristics & IMAGE_FILE_DLL)
 771         put_data( dll_code_section, sizeof(dll_code_section) );
 772     else
 773         put_data( exe_code_section, sizeof(exe_code_section) );
 774
 775     /* .reloc contents */
 776     align_output( file_align );
 777     put_dword( 0 );   /* VirtualAddress */
 778     put_dword( 0 );   /* SizeOfBlock */
 779
 780     /* .rsrc contents */
 781     if (resources_size)
 782     {
 783         align_output( file_align );
 784         put_data( resources, resources_size );
 785     }
 786     flush_output_buffer();
 787 }
 788
 789
 790 /*******************************************************************
 791  *         output_def_file
 792  *
 793  * Build a Win32 def file from a spec file.
 794  */
 795 void output_def_file( DLLSPEC *spec, int include_private )
 796 {
 797     DLLSPEC *spec32 = NULL;
 798     const char *name;
 799     int i, total;
 800
 801     if (spec->type == SPEC_WIN16)
 802     {
 803         spec32 = alloc_dll_spec();
 804         add_16bit_exports( spec32, spec );
 805         spec = spec32;
 806     }
 807
 808     if (spec_file_name)
 809         output( "; File generated automatically from %s; do not edit!\n\n",
 810                  spec_file_name );
 811     else
 812         output( "; File generated automatically; do not edit!\n\n" );
 813
 814     output( "LIBRARY %s\n\n", spec->file_name);
 815     output( "EXPORTS\n");
 816
 817     /* Output the exports and relay entry points */
 818
 819     for (i = total = 0; i < spec->nb_entry_points; i++)
 820     {
 821         const ORDDEF *odp = &spec->entry_points[i];
 822         int is_data = 0;
 823
 824         if (!odp) continue;
 825
 826         if (odp->name) name = odp->name;
 827         else if (odp->export_name) name = odp->export_name;
 828         else continue;
 829
 830         if (!(odp->flags & FLAG_PRIVATE)) total++;
 831         else if (!include_private) continue;
 832
 833         if (odp->type == TYPE_STUB) continue;
 834
 835         output( "  %s", name );
 836
 837         switch(odp->type)
 838         {
 839         case TYPE_EXTERN:
 840             is_data = 1;
 841             /* fall through */
 842         case TYPE_VARARGS:
 843         case TYPE_CDECL:
 844         case TYPE_THISCALL:
 845             /* try to reduce output */
 846             if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
 847                 output( "=%s", odp->link_name );
 848             break;
 849         case TYPE_STDCALL:
 850         {
 851             int at_param = get_args_size( odp );
 852             if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 853             if  (odp->flags & FLAG_FORWARD)
 854             {
 855                 output( "=%s", odp->link_name );
 856             }
 857             else if (strcmp(name, odp->link_name)) /* try to reduce output */
 858             {
 859                 output( "=%s", odp->link_name );
 860                 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
 861             }
 862             break;
 863         }
 864         default:
 865             assert(0);
 866         }
 867         output( " @%d", odp->ordinal );
 868         if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
 869         if (is_data) output( " DATA" );
 870         if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
 871         output( "\n" );
 872     }
 873     if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
 874     if (spec32) free_dll_spec( spec32 );
 875 }