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[wine/wine64.git] / tools / winebuild / spec32.c
blob9cf60c3f15c6b5844b6d6fecfcb6972745b0c93f
1 /*
2 * 32-bit spec files
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
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.
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.
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
25 #include "config.h"
26 #include "wine/port.h"
28 #include <assert.h>
29 #include <ctype.h>
30 #include <stdarg.h>
31 #include <string.h>
33 #include "windef.h"
34 #include "winbase.h"
35 #include "wine/exception.h"
36 #include "build.h"
39 /* check if entry point needs a relay thunk */
40 static inline int needs_relay( const ORDDEF *odp )
42 /* skip nonexistent entry points */
43 if (!odp) return 0;
44 /* skip non-functions */
45 if ((odp->type != TYPE_STDCALL) && (odp->type != TYPE_CDECL)) return 0;
46 /* skip norelay and forward entry points */
47 if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) return 0;
48 return 1;
51 /* check if dll will output relay thunks */
52 int has_relays( DLLSPEC *spec )
54 int i;
56 if (target_cpu != CPU_x86 && target_cpu != CPU_x86_64) return 0;
58 for (i = spec->base; i <= spec->limit; i++)
60 ORDDEF *odp = spec->ordinals[i];
61 if (needs_relay( odp )) return 1;
63 return 0;
66 /*******************************************************************
67 * output_relay_debug
69 * Output entry points for relay debugging
71 static void output_relay_debug( DLLSPEC *spec )
73 int i;
74 unsigned int j, args, flags;
76 /* first the table of entry point offsets */
78 output( "\t%s\n", get_asm_rodata_section() );
79 output( "\t.align %d\n", get_alignment(4) );
80 output( ".L__wine_spec_relay_entry_point_offsets:\n" );
82 for (i = spec->base; i <= spec->limit; i++)
84 ORDDEF *odp = spec->ordinals[i];
86 if (needs_relay( odp ))
87 output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i );
88 else
89 output( "\t.long 0\n" );
92 /* then the table of argument types */
94 output( "\t.align %d\n", get_alignment(4) );
95 output( ".L__wine_spec_relay_arg_types:\n" );
97 for (i = spec->base; i <= spec->limit; i++)
99 ORDDEF *odp = spec->ordinals[i];
100 unsigned int mask = 0;
102 if (needs_relay( odp ))
104 for (j = 0; j < 16 && odp->u.func.arg_types[j]; j++)
106 if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2);
107 if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2);
110 output( "\t.long 0x%08x\n", mask );
113 /* then the relay thunks */
115 output( "\t.text\n" );
116 output( "__wine_spec_relay_entry_points:\n" );
117 output( "\tnop\n" ); /* to avoid 0 offset */
119 for (i = spec->base; i <= spec->limit; i++)
121 ORDDEF *odp = spec->ordinals[i];
123 if (!needs_relay( odp )) continue;
125 output( "\t.align %d\n", get_alignment(4) );
126 output( ".L__wine_spec_relay_entry_point_%d:\n", i );
128 args = strlen(odp->u.func.arg_types);
129 flags = 0;
131 switch (target_cpu)
133 case CPU_x86:
134 if (odp->flags & FLAG_REGISTER)
135 output( "\tpushl %%eax\n" );
136 else
137 output( "\tpushl %%esp\n" );
139 if (odp->flags & FLAG_RET64) flags |= 1;
140 if (odp->type == TYPE_STDCALL) flags |= 2;
141 output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) );
143 if (UsePIC)
145 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
146 output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
148 else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
149 output( "\tpushl %%eax\n" );
151 if (odp->flags & FLAG_REGISTER)
153 output( "\tcall *8(%%eax)\n" );
155 else
157 output( "\tcall *4(%%eax)\n" );
158 if (odp->type == TYPE_STDCALL)
159 output( "\tret $%u\n", args * get_ptr_size() );
160 else
161 output( "\tret\n" );
163 break;
165 case CPU_x86_64:
166 output( "\tmovq %%rcx,8(%%rsp)\n" );
167 output( "\tmovq %%rdx,16(%%rsp)\n" );
168 output( "\tmovq %%r8,24(%%rsp)\n" );
169 output( "\tmovq %%r9,32(%%rsp)\n" );
170 output( "\tmovq %%rsp,%%r8\n" );
171 output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) );
172 output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
173 output( "\tsubq $40,%%rsp\n" );
174 output( "\tcallq *8(%%rcx)\n" );
175 output( "\taddq $40,%%rsp\n" );
176 output( "\tret\n" );
177 break;
179 default:
180 assert(0);
185 /*******************************************************************
186 * output_exports
188 * Output the export table for a Win32 module.
190 static void output_exports( DLLSPEC *spec )
192 int i, fwd_size = 0;
193 int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
195 if (!nr_exports) return;
197 output( "\n/* export table */\n\n" );
198 output( "\t.data\n" );
199 output( "\t.align %d\n", get_alignment(4) );
200 output( ".L__wine_spec_exports:\n" );
202 /* export directory header */
204 output( "\t.long 0\n" ); /* Characteristics */
205 output( "\t.long 0\n" ); /* TimeDateStamp */
206 output( "\t.long 0\n" ); /* MajorVersion/MinorVersion */
207 output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
208 output( "\t.long %u\n", spec->base ); /* Base */
209 output( "\t.long %u\n", nr_exports ); /* NumberOfFunctions */
210 output( "\t.long %u\n", spec->nb_names ); /* NumberOfNames */
211 output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
212 if (spec->nb_names)
214 output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
215 output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" ); /* AddressOfNameOrdinals */
217 else
219 output( "\t.long 0\n" ); /* AddressOfNames */
220 output( "\t.long 0\n" ); /* AddressOfNameOrdinals */
223 /* output the function pointers */
225 output( "\n.L__wine_spec_exports_funcs:\n" );
226 for (i = spec->base; i <= spec->limit; i++)
228 ORDDEF *odp = spec->ordinals[i];
229 if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
230 else switch(odp->type)
232 case TYPE_EXTERN:
233 case TYPE_STDCALL:
234 case TYPE_VARARGS:
235 case TYPE_CDECL:
236 if (odp->flags & FLAG_FORWARD)
238 output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
239 fwd_size += strlen(odp->link_name) + 1;
241 else if (odp->flags & FLAG_EXT_LINK)
243 output( "\t%s %s_%s\n",
244 get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
246 else
248 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
250 break;
251 case TYPE_STUB:
252 output( "\t%s %s\n", get_asm_ptr_keyword(),
253 asm_name( get_stub_name( odp, spec )) );
254 break;
255 default:
256 assert(0);
260 if (spec->nb_names)
262 /* output the function name pointers */
264 int namepos = strlen(spec->file_name) + 1;
266 output( "\n.L__wine_spec_exp_name_ptrs:\n" );
267 for (i = 0; i < spec->nb_names; i++)
269 output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
270 namepos += strlen(spec->names[i]->name) + 1;
273 /* output the function ordinals */
275 output( "\n.L__wine_spec_exp_ordinals:\n" );
276 for (i = 0; i < spec->nb_names; i++)
278 output( "\t%s %d\n",
279 get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
281 if (spec->nb_names % 2)
283 output( "\t%s 0\n", get_asm_short_keyword() );
287 /* output the export name strings */
289 output( "\n.L__wine_spec_exp_names:\n" );
290 output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
291 for (i = 0; i < spec->nb_names; i++)
292 output( "\t%s \"%s\"\n",
293 get_asm_string_keyword(), spec->names[i]->name );
295 /* output forward strings */
297 if (fwd_size)
299 output( "\n.L__wine_spec_forwards:\n" );
300 for (i = spec->base; i <= spec->limit; i++)
302 ORDDEF *odp = spec->ordinals[i];
303 if (odp && (odp->flags & FLAG_FORWARD))
304 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
307 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
308 output( ".L__wine_spec_exports_end:\n" );
310 /* output relays */
312 /* we only support relay debugging on i386 and x86_64 */
313 if (target_cpu != CPU_x86 && target_cpu != CPU_x86_64)
315 output( "\t%s 0\n", get_asm_ptr_keyword() );
316 return;
319 output( ".L__wine_spec_relay_descr:\n" );
320 output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() ); /* magic */
321 output( "\t%s 0,0\n", get_asm_ptr_keyword() ); /* relay funcs */
322 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* private data */
323 output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
324 output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
325 output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
327 output_relay_debug( spec );
331 /*******************************************************************
332 * output_asm_constructor
334 * Output code for calling a dll constructor.
336 static void output_asm_constructor( const char *constructor )
338 if (target_platform == PLATFORM_APPLE)
340 /* Mach-O doesn't have an init section */
341 output( "\n\t.mod_init_func\n" );
342 output( "\t.align %d\n", get_alignment(4) );
343 output( "\t.long %s\n", asm_name(constructor) );
345 else
347 output( "\n\t.section \".init\",\"ax\"\n" );
348 switch(target_cpu)
350 case CPU_x86:
351 case CPU_x86_64:
352 output( "\tcall %s\n", asm_name(constructor) );
353 break;
354 case CPU_SPARC:
355 output( "\tcall %s\n", asm_name(constructor) );
356 output( "\tnop\n" );
357 break;
358 case CPU_ALPHA:
359 output( "\tjsr $26,%s\n", asm_name(constructor) );
360 break;
361 case CPU_POWERPC:
362 output( "\tbl %s\n", asm_name(constructor) );
363 break;
369 /*******************************************************************
370 * BuildSpec32File
372 * Build a Win32 C file from a spec file.
374 void BuildSpec32File( DLLSPEC *spec )
376 int machine = 0;
377 unsigned int page_size = get_page_size();
379 resolve_imports( spec );
380 output_standard_file_header();
382 /* Reserve some space for the PE header */
384 switch (target_platform)
386 case PLATFORM_APPLE:
387 output( "\t.text\n" );
388 output( "\t.align %d\n", get_alignment(page_size) );
389 output( "__wine_spec_pe_header:\n" );
390 output( "\t.space 65536\n" );
391 break;
392 case PLATFORM_SOLARIS:
393 output( "\n\t.section \".text\",\"ax\"\n" );
394 output( "__wine_spec_pe_header:\n" );
395 output( "\t.skip %u\n", 65536 + page_size );
396 break;
397 default:
398 output( "\n\t.section \".init\",\"ax\"\n" );
399 switch(target_cpu)
401 case CPU_x86:
402 case CPU_x86_64:
403 case CPU_ALPHA:
404 case CPU_SPARC:
405 output( "\tjmp 1f\n" );
406 break;
407 case CPU_POWERPC:
408 output( "\tb 1f\n" );
409 break;
411 output( "__wine_spec_pe_header:\n" );
412 output( "\t.skip %u\n", 65536 + page_size );
413 output( "1:\n" );
414 break;
417 /* Output the NT header */
419 output( "\n\t.data\n" );
420 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
421 output( "%s\n", asm_globl("__wine_spec_nt_header") );
422 output( ".L__wine_spec_rva_base:\n" );
424 output( "\t.long 0x%04x\n", IMAGE_NT_SIGNATURE ); /* Signature */
425 switch(target_cpu)
427 case CPU_x86: machine = IMAGE_FILE_MACHINE_I386; break;
428 case CPU_x86_64: machine = IMAGE_FILE_MACHINE_AMD64; break;
429 case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
430 case CPU_ALPHA: machine = IMAGE_FILE_MACHINE_ALPHA; break;
431 case CPU_SPARC: machine = IMAGE_FILE_MACHINE_UNKNOWN; break;
433 output( "\t%s 0x%04x\n", /* Machine */
434 get_asm_short_keyword(), machine );
435 output( "\t%s 0\n", /* NumberOfSections */
436 get_asm_short_keyword() );
437 output( "\t.long 0\n" ); /* TimeDateStamp */
438 output( "\t.long 0\n" ); /* PointerToSymbolTable */
439 output( "\t.long 0\n" ); /* NumberOfSymbols */
440 output( "\t%s %d\n", /* SizeOfOptionalHeader */
441 get_asm_short_keyword(),
442 get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
443 output( "\t%s 0x%04x\n", /* Characteristics */
444 get_asm_short_keyword(), spec->characteristics );
445 output( "\t%s 0x%04x\n", /* Magic */
446 get_asm_short_keyword(),
447 get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
448 output( "\t.byte 0\n" ); /* MajorLinkerVersion */
449 output( "\t.byte 0\n" ); /* MinorLinkerVersion */
450 output( "\t.long 0\n" ); /* SizeOfCode */
451 output( "\t.long 0\n" ); /* SizeOfInitializedData */
452 output( "\t.long 0\n" ); /* SizeOfUninitializedData */
453 /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
454 output( "\t%s %s\n", /* AddressOfEntryPoint */
455 get_asm_ptr_keyword(), asm_name(spec->init_func) );
456 if (get_ptr_size() == 4)
458 output( "\t.long 0\n" ); /* BaseOfCode */
459 output( "\t.long 0\n" ); /* BaseOfData */
461 output( "\t%s __wine_spec_pe_header\n", /* ImageBase */
462 get_asm_ptr_keyword() );
463 output( "\t.long %u\n", page_size ); /* SectionAlignment */
464 output( "\t.long %u\n", page_size ); /* FileAlignment */
465 output( "\t%s 1,0\n", /* Major/MinorOperatingSystemVersion */
466 get_asm_short_keyword() );
467 output( "\t%s 0,0\n", /* Major/MinorImageVersion */
468 get_asm_short_keyword() );
469 output( "\t%s %u,%u\n", /* Major/MinorSubsystemVersion */
470 get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
471 output( "\t.long 0\n" ); /* Win32VersionValue */
472 output( "\t.long %s-.L__wine_spec_rva_base\n", /* SizeOfImage */
473 asm_name("_end") );
474 output( "\t.long %u\n", page_size ); /* SizeOfHeaders */
475 output( "\t.long 0\n" ); /* CheckSum */
476 output( "\t%s 0x%04x\n", /* Subsystem */
477 get_asm_short_keyword(), spec->subsystem );
478 output( "\t%s 0x%04x\n", /* DllCharacteristics */
479 get_asm_short_keyword(), spec->dll_characteristics );
480 output( "\t%s %u,%u\n", /* SizeOfStackReserve/Commit */
481 get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
482 output( "\t%s %u,%u\n", /* SizeOfHeapReserve/Commit */
483 get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
484 output( "\t.long 0\n" ); /* LoaderFlags */
485 output( "\t.long 16\n" ); /* NumberOfRvaAndSizes */
487 if (spec->base <= spec->limit) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
488 output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
489 ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
490 else
491 output( "\t.long 0,0\n" );
493 if (has_imports()) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
494 output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
495 ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
496 else
497 output( "\t.long 0,0\n" );
499 if (spec->nb_resources) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
500 output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
501 ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
502 else
503 output( "\t.long 0,0\n" );
505 output( "\t.long 0,0\n" ); /* DataDirectory[3] */
506 output( "\t.long 0,0\n" ); /* DataDirectory[4] */
507 output( "\t.long 0,0\n" ); /* DataDirectory[5] */
508 output( "\t.long 0,0\n" ); /* DataDirectory[6] */
509 output( "\t.long 0,0\n" ); /* DataDirectory[7] */
510 output( "\t.long 0,0\n" ); /* DataDirectory[8] */
511 output( "\t.long 0,0\n" ); /* DataDirectory[9] */
512 output( "\t.long 0,0\n" ); /* DataDirectory[10] */
513 output( "\t.long 0,0\n" ); /* DataDirectory[11] */
514 output( "\t.long 0,0\n" ); /* DataDirectory[12] */
515 output( "\t.long 0,0\n" ); /* DataDirectory[13] */
516 output( "\t.long 0,0\n" ); /* DataDirectory[14] */
517 output( "\t.long 0,0\n" ); /* DataDirectory[15] */
519 output( "\n\t%s\n", get_asm_string_section() );
520 output( "%s\n", asm_globl("__wine_spec_file_name") );
521 output( ".L__wine_spec_file_name:\n" );
522 output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
523 if (target_platform == PLATFORM_APPLE)
524 output( "\t.lcomm %s,4\n", asm_name("_end") );
526 output_stubs( spec );
527 output_exports( spec );
528 output_imports( spec );
529 output_resources( spec );
530 output_asm_constructor( "__wine_spec_init_ctor" );
531 output_gnu_stack_note();
535 /*******************************************************************
536 * BuildDef32File
538 * Build a Win32 def file from a spec file.
540 void BuildDef32File( DLLSPEC *spec )
542 const char *name;
543 int i, total;
545 if (spec_file_name)
546 output( "; File generated automatically from %s; do not edit!\n\n",
547 spec_file_name );
548 else
549 output( "; File generated automatically; do not edit!\n\n" );
551 output( "LIBRARY %s\n\n", spec->file_name);
552 output( "EXPORTS\n");
554 /* Output the exports and relay entry points */
556 for (i = total = 0; i < spec->nb_entry_points; i++)
558 const ORDDEF *odp = &spec->entry_points[i];
559 int is_data = 0;
561 if (!odp) continue;
563 if (odp->name) name = odp->name;
564 else if (odp->export_name) name = odp->export_name;
565 else continue;
567 if (!(odp->flags & FLAG_PRIVATE)) total++;
569 if (odp->type == TYPE_STUB) continue;
571 output( " %s", name );
573 switch(odp->type)
575 case TYPE_EXTERN:
576 is_data = 1;
577 /* fall through */
578 case TYPE_VARARGS:
579 case TYPE_CDECL:
580 /* try to reduce output */
581 if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
582 output( "=%s", odp->link_name );
583 break;
584 case TYPE_STDCALL:
586 int at_param = strlen(odp->u.func.arg_types) * get_ptr_size();
587 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
588 if (odp->flags & FLAG_FORWARD)
590 output( "=%s", odp->link_name );
592 else if (strcmp(name, odp->link_name)) /* try to reduce output */
594 output( "=%s", odp->link_name );
595 if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param );
597 break;
599 default:
600 assert(0);
602 output( " @%d", odp->ordinal );
603 if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" );
604 if (is_data) output( " DATA" );
605 if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
606 output( "\n" );
608 if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );