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
26 #include "wine/port.h"
35 #include "wine/exception.h"
39 /* check if entry point needs a relay thunk */
40 static inline int needs_relay( const ORDDEF
*odp
)
42 /* skip nonexistent entry points */
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;
51 /* check if dll will output relay thunks */
52 int has_relays( DLLSPEC
*spec
)
56 if (target_cpu
!= CPU_x86
) return 0;
58 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
60 ORDDEF
*odp
= spec
->ordinals
[i
];
61 if (needs_relay( odp
)) return 1;
66 /*******************************************************************
69 * Output entry points for relay debugging
71 static void output_relay_debug( FILE *outfile
, DLLSPEC
*spec
)
73 unsigned int i
, j
, args
, flags
;
75 /* first the table of entry point offsets */
77 fprintf( outfile
, "\t%s\n", get_asm_rodata_section() );
78 fprintf( outfile
, "\t.align %d\n", get_alignment(4) );
79 fprintf( outfile
, ".L__wine_spec_relay_entry_point_offsets:\n" );
81 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
83 ORDDEF
*odp
= spec
->ordinals
[i
];
85 if (needs_relay( odp
))
86 fprintf( outfile
, "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i
);
88 fprintf( outfile
, "\t.long 0\n" );
91 /* then the table of argument types */
93 fprintf( outfile
, "\t.align %d\n", get_alignment(4) );
94 fprintf( outfile
, ".L__wine_spec_relay_arg_types:\n" );
96 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
98 ORDDEF
*odp
= spec
->ordinals
[i
];
99 unsigned int mask
= 0;
101 if (needs_relay( odp
))
103 for (j
= 0; j
< 16 && odp
->u
.func
.arg_types
[j
]; j
++)
105 if (odp
->u
.func
.arg_types
[j
] == 't') mask
|= 1<< (j
*2);
106 if (odp
->u
.func
.arg_types
[j
] == 'W') mask
|= 2<< (j
*2);
109 fprintf( outfile
, "\t.long 0x%08x\n", mask
);
112 /* then the relay thunks */
114 fprintf( outfile
, "\t.text\n" );
115 fprintf( outfile
, "__wine_spec_relay_entry_points:\n" );
116 fprintf( outfile
, "\tnop\n" ); /* to avoid 0 offset */
118 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
120 ORDDEF
*odp
= spec
->ordinals
[i
];
122 if (!needs_relay( odp
)) continue;
124 fprintf( outfile
, "\t.align %d\n", get_alignment(4) );
125 fprintf( outfile
, ".L__wine_spec_relay_entry_point_%d:\n", i
);
127 if (odp
->flags
& FLAG_REGISTER
)
128 fprintf( outfile
, "\tpushl %%eax\n" );
130 fprintf( outfile
, "\tpushl %%esp\n" );
132 args
= strlen(odp
->u
.func
.arg_types
);
134 if (odp
->flags
& FLAG_RET64
) flags
|= 1;
135 if (odp
->type
== TYPE_STDCALL
) flags
|= 2;
136 fprintf( outfile
, "\tpushl $%u\n", (flags
<< 24) | (args
<< 16) | (i
- spec
->base
) );
140 fprintf( outfile
, "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
141 fprintf( outfile
, "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
143 else fprintf( outfile
, "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
144 fprintf( outfile
, "\tpushl %%eax\n" );
146 if (odp
->flags
& FLAG_REGISTER
)
148 fprintf( outfile
, "\tcall *8(%%eax)\n" );
152 fprintf( outfile
, "\tcall *4(%%eax)\n" );
153 if (odp
->type
== TYPE_STDCALL
)
154 fprintf( outfile
, "\tret $%u\n", args
* get_ptr_size() );
156 fprintf( outfile
, "\tret\n" );
161 /*******************************************************************
164 * Output the export table for a Win32 module.
166 static void output_exports( FILE *outfile
, DLLSPEC
*spec
)
169 int nr_exports
= spec
->base
<= spec
->limit
? spec
->limit
- spec
->base
+ 1 : 0;
171 if (!nr_exports
) return;
173 fprintf( outfile
, "\n/* export table */\n\n" );
174 fprintf( outfile
, "\t.data\n" );
175 fprintf( outfile
, "\t.align %d\n", get_alignment(4) );
176 fprintf( outfile
, ".L__wine_spec_exports:\n" );
178 /* export directory header */
180 fprintf( outfile
, "\t.long 0\n" ); /* Characteristics */
181 fprintf( outfile
, "\t.long 0\n" ); /* TimeDateStamp */
182 fprintf( outfile
, "\t.long 0\n" ); /* MajorVersion/MinorVersion */
183 fprintf( outfile
, "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
184 fprintf( outfile
, "\t.long %u\n", spec
->base
); /* Base */
185 fprintf( outfile
, "\t.long %u\n", nr_exports
); /* NumberOfFunctions */
186 fprintf( outfile
, "\t.long %u\n", spec
->nb_names
); /* NumberOfNames */
187 fprintf( outfile
, "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
190 fprintf( outfile
, "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
191 fprintf( outfile
, "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" ); /* AddressOfNameOrdinals */
195 fprintf( outfile
, "\t.long 0\n" ); /* AddressOfNames */
196 fprintf( outfile
, "\t.long 0\n" ); /* AddressOfNameOrdinals */
199 /* output the function pointers */
201 fprintf( outfile
, "\n.L__wine_spec_exports_funcs:\n" );
202 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
204 ORDDEF
*odp
= spec
->ordinals
[i
];
205 if (!odp
) fprintf( outfile
, "\t.long 0\n" );
206 else switch(odp
->type
)
212 if (odp
->flags
& FLAG_FORWARD
)
214 fprintf( outfile
, "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size
);
215 fwd_size
+= strlen(odp
->link_name
) + 1;
217 else if (odp
->flags
& FLAG_EXT_LINK
)
219 fprintf( outfile
, "\t%s %s_%s\n",
220 get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp
->link_name
);
224 fprintf( outfile
, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp
->link_name
) );
228 fprintf( outfile
, "\t%s %s\n", get_asm_ptr_keyword(),
229 asm_name( get_stub_name( odp
, spec
)) );
238 /* output the function name pointers */
240 int namepos
= strlen(spec
->file_name
) + 1;
242 fprintf( outfile
, "\n.L__wine_spec_exp_name_ptrs:\n" );
243 for (i
= 0; i
< spec
->nb_names
; i
++)
245 fprintf( outfile
, "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos
);
246 namepos
+= strlen(spec
->names
[i
]->name
) + 1;
249 /* output the function ordinals */
251 fprintf( outfile
, "\n.L__wine_spec_exp_ordinals:\n" );
252 for (i
= 0; i
< spec
->nb_names
; i
++)
254 fprintf( outfile
, "\t%s %d\n",
255 get_asm_short_keyword(), spec
->names
[i
]->ordinal
- spec
->base
);
257 if (spec
->nb_names
% 2)
259 fprintf( outfile
, "\t%s 0\n", get_asm_short_keyword() );
263 /* output the export name strings */
265 fprintf( outfile
, "\n.L__wine_spec_exp_names:\n" );
266 fprintf( outfile
, "\t%s \"%s\"\n", get_asm_string_keyword(), spec
->file_name
);
267 for (i
= 0; i
< spec
->nb_names
; i
++)
268 fprintf( outfile
, "\t%s \"%s\"\n",
269 get_asm_string_keyword(), spec
->names
[i
]->name
);
271 /* output forward strings */
275 fprintf( outfile
, "\n.L__wine_spec_forwards:\n" );
276 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
278 ORDDEF
*odp
= spec
->ordinals
[i
];
279 if (odp
&& (odp
->flags
& FLAG_FORWARD
))
280 fprintf( outfile
, "\t%s \"%s\"\n", get_asm_string_keyword(), odp
->link_name
);
283 fprintf( outfile
, "\t.align %d\n", get_alignment(get_ptr_size()) );
284 fprintf( outfile
, ".L__wine_spec_exports_end:\n" );
288 /* we only support relay debugging on i386 */
289 if (target_cpu
!= CPU_x86
)
291 fprintf( outfile
, "\t%s 0\n", get_asm_ptr_keyword() );
295 fprintf( outfile
, ".L__wine_spec_relay_descr:\n" );
296 fprintf( outfile
, "\t%s 0xdeb90001\n", get_asm_ptr_keyword() ); /* magic */
297 fprintf( outfile
, "\t%s 0,0\n", get_asm_ptr_keyword() ); /* relay funcs */
298 fprintf( outfile
, "\t%s 0\n", get_asm_ptr_keyword() ); /* private data */
299 fprintf( outfile
, "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
300 fprintf( outfile
, "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
301 fprintf( outfile
, "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
303 output_relay_debug( outfile
, spec
);
307 /*******************************************************************
308 * output_asm_constructor
310 * Output code for calling a dll constructor.
312 static void output_asm_constructor( FILE *outfile
, const char *constructor
)
314 if (target_platform
== PLATFORM_APPLE
)
316 /* Mach-O doesn't have an init section */
317 fprintf( outfile
, "\n\t.mod_init_func\n" );
318 fprintf( outfile
, "\t.align %d\n", get_alignment(4) );
319 fprintf( outfile
, "\t.long %s\n", asm_name(constructor
) );
323 fprintf( outfile
, "\n\t.section \".init\",\"ax\"\n" );
328 fprintf( outfile
, "\tcall %s\n", asm_name(constructor
) );
331 fprintf( outfile
, "\tcall %s\n", asm_name(constructor
) );
332 fprintf( outfile
, "\tnop\n" );
335 fprintf( outfile
, "\tjsr $26,%s\n", asm_name(constructor
) );
338 fprintf( outfile
, "\tbl %s\n", asm_name(constructor
) );
345 /*******************************************************************
348 * Build a Win32 C file from a spec file.
350 void BuildSpec32File( FILE *outfile
, DLLSPEC
*spec
)
353 unsigned int page_size
= get_page_size();
355 resolve_imports( spec
);
356 output_standard_file_header( outfile
);
358 /* Reserve some space for the PE header */
360 fprintf( outfile
, "\t.text\n" );
361 fprintf( outfile
, "\t.align %d\n", get_alignment(page_size
) );
362 fprintf( outfile
, "__wine_spec_pe_header:\n" );
363 if (target_platform
== PLATFORM_APPLE
)
364 fprintf( outfile
, "\t.space 65536\n" );
366 fprintf( outfile
, "\t.skip 65536\n" );
368 /* Output the NT header */
370 fprintf( outfile
, "\n\t.data\n" );
371 fprintf( outfile
, "\t.align %d\n", get_alignment(get_ptr_size()) );
372 fprintf( outfile
, "%s\n", asm_globl("__wine_spec_nt_header") );
373 fprintf( outfile
, ".L__wine_spec_rva_base:\n" );
375 fprintf( outfile
, "\t.long 0x%04x\n", IMAGE_NT_SIGNATURE
); /* Signature */
378 case CPU_x86
: machine
= IMAGE_FILE_MACHINE_I386
; break;
379 case CPU_x86_64
: machine
= IMAGE_FILE_MACHINE_AMD64
; break;
380 case CPU_POWERPC
: machine
= IMAGE_FILE_MACHINE_POWERPC
; break;
381 case CPU_ALPHA
: machine
= IMAGE_FILE_MACHINE_ALPHA
; break;
382 case CPU_SPARC
: machine
= IMAGE_FILE_MACHINE_UNKNOWN
; break;
384 fprintf( outfile
, "\t%s 0x%04x\n", /* Machine */
385 get_asm_short_keyword(), machine
);
386 fprintf( outfile
, "\t%s 0\n", /* NumberOfSections */
387 get_asm_short_keyword() );
388 fprintf( outfile
, "\t.long 0\n" ); /* TimeDateStamp */
389 fprintf( outfile
, "\t.long 0\n" ); /* PointerToSymbolTable */
390 fprintf( outfile
, "\t.long 0\n" ); /* NumberOfSymbols */
391 fprintf( outfile
, "\t%s %d\n", /* SizeOfOptionalHeader */
392 get_asm_short_keyword(),
393 get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER
: IMAGE_SIZEOF_NT_OPTIONAL32_HEADER
);
394 fprintf( outfile
, "\t%s 0x%04x\n", /* Characteristics */
395 get_asm_short_keyword(), spec
->characteristics
);
396 fprintf( outfile
, "\t%s 0x%04x\n", /* Magic */
397 get_asm_short_keyword(),
398 get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC
: IMAGE_NT_OPTIONAL_HDR32_MAGIC
);
399 fprintf( outfile
, "\t.byte 0\n" ); /* MajorLinkerVersion */
400 fprintf( outfile
, "\t.byte 0\n" ); /* MinorLinkerVersion */
401 fprintf( outfile
, "\t.long 0\n" ); /* SizeOfCode */
402 fprintf( outfile
, "\t.long 0\n" ); /* SizeOfInitializedData */
403 fprintf( outfile
, "\t.long 0\n" ); /* SizeOfUninitializedData */
404 /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
405 fprintf( outfile
, "\t%s %s\n", /* AddressOfEntryPoint */
406 get_asm_ptr_keyword(), asm_name(spec
->init_func
) );
407 if (get_ptr_size() == 4)
409 fprintf( outfile
, "\t.long 0\n" ); /* BaseOfCode */
410 fprintf( outfile
, "\t.long 0\n" ); /* BaseOfData */
412 fprintf( outfile
, "\t%s __wine_spec_pe_header\n", /* ImageBase */
413 get_asm_ptr_keyword() );
414 fprintf( outfile
, "\t.long %u\n", page_size
); /* SectionAlignment */
415 fprintf( outfile
, "\t.long %u\n", page_size
); /* FileAlignment */
416 fprintf( outfile
, "\t%s 1,0\n", /* Major/MinorOperatingSystemVersion */
417 get_asm_short_keyword() );
418 fprintf( outfile
, "\t%s 0,0\n", /* Major/MinorImageVersion */
419 get_asm_short_keyword() );
420 fprintf( outfile
, "\t%s %u,%u\n", /* Major/MinorSubsystemVersion */
421 get_asm_short_keyword(), spec
->subsystem_major
, spec
->subsystem_minor
);
422 fprintf( outfile
, "\t.long 0\n" ); /* Win32VersionValue */
423 fprintf( outfile
, "\t.long %s-.L__wine_spec_rva_base\n", /* SizeOfImage */
425 fprintf( outfile
, "\t.long %u\n", page_size
); /* SizeOfHeaders */
426 fprintf( outfile
, "\t.long 0\n" ); /* CheckSum */
427 fprintf( outfile
, "\t%s 0x%04x\n", /* Subsystem */
428 get_asm_short_keyword(), spec
->subsystem
);
429 fprintf( outfile
, "\t%s 0\n", /* DllCharacteristics */
430 get_asm_short_keyword() );
431 fprintf( outfile
, "\t%s %u,%u\n", /* SizeOfStackReserve/Commit */
432 get_asm_ptr_keyword(), (spec
->stack_size
? spec
->stack_size
: 1024) * 1024, page_size
);
433 fprintf( outfile
, "\t%s %u,%u\n", /* SizeOfHeapReserve/Commit */
434 get_asm_ptr_keyword(), (spec
->heap_size
? spec
->heap_size
: 1024) * 1024, page_size
);
435 fprintf( outfile
, "\t.long 0\n" ); /* LoaderFlags */
436 fprintf( outfile
, "\t.long 16\n" ); /* NumberOfRvaAndSizes */
438 if (spec
->base
<= spec
->limit
) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
439 fprintf( outfile
, "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
440 ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
442 fprintf( outfile
, "\t.long 0,0\n" );
444 if (has_imports()) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
445 fprintf( outfile
, "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
446 ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
448 fprintf( outfile
, "\t.long 0,0\n" );
450 if (spec
->nb_resources
) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
451 fprintf( outfile
, "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
452 ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
454 fprintf( outfile
, "\t.long 0,0\n" );
456 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[3] */
457 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[4] */
458 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[5] */
459 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[6] */
460 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[7] */
461 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[8] */
462 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[9] */
463 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[10] */
464 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[11] */
465 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[12] */
466 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[13] */
467 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[14] */
468 fprintf( outfile
, "\t.long 0,0\n" ); /* DataDirectory[15] */
470 fprintf( outfile
, "\n\t%s\n", get_asm_string_section() );
471 fprintf( outfile
, "%s\n", asm_globl("__wine_spec_file_name") );
472 fprintf( outfile
, ".L__wine_spec_file_name:\n" );
473 fprintf( outfile
, "\t%s \"%s\"\n", get_asm_string_keyword(), spec
->file_name
);
474 if (target_platform
== PLATFORM_APPLE
)
475 fprintf( outfile
, "\t.lcomm %s,4\n", asm_name("_end") );
477 output_stubs( outfile
, spec
);
478 output_exports( outfile
, spec
);
479 output_imports( outfile
, spec
);
480 output_resources( outfile
, spec
);
481 output_asm_constructor( outfile
, "__wine_spec_init_ctor" );
482 output_gnu_stack_note( outfile
);
486 /*******************************************************************
489 * Build a Win32 def file from a spec file.
491 void BuildDef32File( FILE *outfile
, DLLSPEC
*spec
)
497 fprintf( outfile
, "; File generated automatically from %s; do not edit!\n\n",
500 fprintf( outfile
, "; File generated automatically; do not edit!\n\n" );
502 fprintf(outfile
, "LIBRARY %s\n\n", spec
->file_name
);
504 fprintf(outfile
, "EXPORTS\n");
506 /* Output the exports and relay entry points */
508 for (i
= total
= 0; i
< spec
->nb_entry_points
; i
++)
510 const ORDDEF
*odp
= &spec
->entry_points
[i
];
515 if (odp
->name
) name
= odp
->name
;
516 else if (odp
->export_name
) name
= odp
->export_name
;
519 if (!(odp
->flags
& FLAG_PRIVATE
)) total
++;
521 if (odp
->type
== TYPE_STUB
) continue;
523 fprintf(outfile
, " %s", name
);
532 /* try to reduce output */
533 if(strcmp(name
, odp
->link_name
) || (odp
->flags
& FLAG_FORWARD
))
534 fprintf(outfile
, "=%s", odp
->link_name
);
538 int at_param
= strlen(odp
->u
.func
.arg_types
) * get_ptr_size();
539 if (!kill_at
) fprintf(outfile
, "@%d", at_param
);
540 if (odp
->flags
& FLAG_FORWARD
)
542 fprintf(outfile
, "=%s", odp
->link_name
);
544 else if (strcmp(name
, odp
->link_name
)) /* try to reduce output */
546 fprintf(outfile
, "=%s", odp
->link_name
);
547 if (!kill_at
) fprintf(outfile
, "@%d", at_param
);
554 fprintf( outfile
, " @%d", odp
->ordinal
);
555 if (!odp
->name
) fprintf( outfile
, " NONAME" );
556 if (is_data
) fprintf( outfile
, " DATA" );
557 if (odp
->flags
& FLAG_PRIVATE
) fprintf( outfile
, " PRIVATE" );
558 fprintf( outfile
, "\n" );
560 if (!total
) warning( "%s: Import library doesn't export anything\n", spec
->file_name
);