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