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winebuild: Get rid of support for register entry points on x86_64.
[wine.git] / tools / winebuild / spec32.c
blobe16260ad02e37678521a68478594ed31d47de39d
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 }
Windows API implementation