2 * msvcrt.dll C++ objects
4 * Copyright 2000 Jon Griffiths
5 * Copyright 2003, 2004 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
29 #include "wine/exception.h"
30 #include "wine/debug.h"
32 #include "cppexcept.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt
);
38 typedef exception bad_cast
;
39 typedef exception bad_typeid
;
40 typedef exception __non_rtti_object
;
42 extern const vtable_ptr MSVCRT_exception_vtable
;
43 extern const vtable_ptr MSVCRT_bad_typeid_vtable
;
44 extern const vtable_ptr MSVCRT_bad_cast_vtable
;
45 extern const vtable_ptr MSVCRT___non_rtti_object_vtable
;
46 extern const vtable_ptr MSVCRT_type_info_vtable
;
48 /* get the vtable pointer for a C++ object */
49 static inline const vtable_ptr
*get_vtable( void *obj
)
51 return *(const vtable_ptr
**)obj
;
54 static inline const rtti_object_locator
*get_obj_locator( void *cppobj
)
56 const vtable_ptr
*vtable
= get_vtable( cppobj
);
57 return (const rtti_object_locator
*)vtable
[-1];
61 static void dump_obj_locator( const rtti_object_locator
*ptr
)
64 const rtti_object_hierarchy
*h
= ptr
->type_hierarchy
;
66 TRACE( "%p: sig=%08x base_offset=%08x flags=%08x type=%p %s hierarchy=%p\n",
67 ptr
, ptr
->signature
, ptr
->base_class_offset
, ptr
->flags
,
68 ptr
->type_descriptor
, dbgstr_type_info(ptr
->type_descriptor
), ptr
->type_hierarchy
);
69 TRACE( " hierarchy: sig=%08x attr=%08x len=%d base classes=%p\n",
70 h
->signature
, h
->attributes
, h
->array_len
, h
->base_classes
);
71 for (i
= 0; i
< h
->array_len
; i
++)
73 TRACE( " base class %p: num %d off %d,%d,%d attr %08x type %p %s\n",
74 h
->base_classes
->bases
[i
],
75 h
->base_classes
->bases
[i
]->num_base_classes
,
76 h
->base_classes
->bases
[i
]->offsets
.this_offset
,
77 h
->base_classes
->bases
[i
]->offsets
.vbase_descr
,
78 h
->base_classes
->bases
[i
]->offsets
.vbase_offset
,
79 h
->base_classes
->bases
[i
]->attributes
,
80 h
->base_classes
->bases
[i
]->type_descriptor
,
81 dbgstr_type_info(h
->base_classes
->bases
[i
]->type_descriptor
) );
87 static void dump_obj_locator( const rtti_object_locator
*ptr
)
90 char *base
= ptr
->signature
== 0 ? RtlPcToFileHeader((void*)ptr
, (void**)&base
) : (char*)ptr
- ptr
->object_locator
;
91 const rtti_object_hierarchy
*h
= (const rtti_object_hierarchy
*)(base
+ ptr
->type_hierarchy
);
92 const type_info
*type_descriptor
= (const type_info
*)(base
+ ptr
->type_descriptor
);
94 TRACE( "%p: sig=%08x base_offset=%08x flags=%08x type=%p %s hierarchy=%p\n",
95 ptr
, ptr
->signature
, ptr
->base_class_offset
, ptr
->flags
,
96 type_descriptor
, dbgstr_type_info(type_descriptor
), h
);
97 TRACE( " hierarchy: sig=%08x attr=%08x len=%d base classes=%p\n",
98 h
->signature
, h
->attributes
, h
->array_len
, base
+ h
->base_classes
);
99 for (i
= 0; i
< h
->array_len
; i
++)
101 const rtti_base_descriptor
*bases
= (rtti_base_descriptor
*)(base
+
102 ((const rtti_base_array
*)(base
+ h
->base_classes
))->bases
[i
]);
104 TRACE( " base class %p: num %d off %d,%d,%d attr %08x type %p %s\n",
106 bases
->num_base_classes
,
107 bases
->offsets
.this_offset
,
108 bases
->offsets
.vbase_descr
,
109 bases
->offsets
.vbase_offset
,
111 base
+ bases
->type_descriptor
,
112 dbgstr_type_info((const type_info
*)(base
+ bases
->type_descriptor
)) );
117 /* Internal common ctor for exception */
118 static void EXCEPTION_ctor(exception
*_this
, const char** name
)
120 _this
->vtable
= &MSVCRT_exception_vtable
;
123 unsigned int name_len
= strlen(*name
) + 1;
124 _this
->name
= MSVCRT_malloc(name_len
);
125 memcpy(_this
->name
, *name
, name_len
);
126 _this
->do_free
= TRUE
;
131 _this
->do_free
= FALSE
;
135 /******************************************************************
136 * ??0exception@@QAE@ABQBD@Z (MSVCRT.@)
138 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_ctor
,8)
139 exception
* __thiscall
MSVCRT_exception_ctor(exception
* _this
, const char ** name
)
141 TRACE("(%p,%s)\n", _this
, *name
);
142 EXCEPTION_ctor(_this
, name
);
146 /******************************************************************
147 * ??0exception@@QAE@ABQBDH@Z (MSVCRT.@)
149 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_ctor_noalloc
,12)
150 exception
* __thiscall
MSVCRT_exception_ctor_noalloc(exception
* _this
, char ** name
, int noalloc
)
152 TRACE("(%p,%s)\n", _this
, *name
);
153 _this
->vtable
= &MSVCRT_exception_vtable
;
155 _this
->do_free
= FALSE
;
159 /******************************************************************
160 * ??0exception@@QAE@ABV0@@Z (MSVCRT.@)
162 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_copy_ctor
,8)
163 exception
* __thiscall
MSVCRT_exception_copy_ctor(exception
* _this
, const exception
* rhs
)
165 TRACE("(%p,%p)\n", _this
, rhs
);
169 _this
->vtable
= &MSVCRT_exception_vtable
;
170 _this
->name
= rhs
->name
;
171 _this
->do_free
= FALSE
;
174 EXCEPTION_ctor(_this
, (const char**)&rhs
->name
);
175 TRACE("name = %s\n", _this
->name
);
179 /******************************************************************
180 * ??0exception@@QAE@XZ (MSVCRT.@)
182 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_default_ctor
,4)
183 exception
* __thiscall
MSVCRT_exception_default_ctor(exception
* _this
)
185 static const char* empty
= NULL
;
187 TRACE("(%p)\n", _this
);
188 EXCEPTION_ctor(_this
, &empty
);
192 /******************************************************************
193 * ??1exception@@UAE@XZ (MSVCRT.@)
195 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_dtor
,4)
196 void __thiscall
MSVCRT_exception_dtor(exception
* _this
)
198 TRACE("(%p)\n", _this
);
199 _this
->vtable
= &MSVCRT_exception_vtable
;
200 if (_this
->do_free
) MSVCRT_free(_this
->name
);
203 /******************************************************************
204 * ??4exception@@QAEAAV0@ABV0@@Z (MSVCRT.@)
206 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_opequals
,8)
207 exception
* __thiscall
MSVCRT_exception_opequals(exception
* _this
, const exception
* rhs
)
209 TRACE("(%p %p)\n", _this
, rhs
);
212 MSVCRT_exception_dtor(_this
);
213 MSVCRT_exception_copy_ctor(_this
, rhs
);
215 TRACE("name = %s\n", _this
->name
);
219 /******************************************************************
220 * ??_Eexception@@UAEPAXI@Z (MSVCRT.@)
222 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_vector_dtor
,8)
223 void * __thiscall
MSVCRT_exception_vector_dtor(exception
* _this
, unsigned int flags
)
225 TRACE("(%p %x)\n", _this
, flags
);
228 /* we have an array, with the number of elements stored before the first object */
229 INT_PTR i
, *ptr
= (INT_PTR
*)_this
- 1;
231 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_exception_dtor(_this
+ i
);
232 MSVCRT_operator_delete(ptr
);
236 MSVCRT_exception_dtor(_this
);
237 if (flags
& 1) MSVCRT_operator_delete(_this
);
242 /******************************************************************
243 * ??_Gexception@@UAEPAXI@Z (MSVCRT.@)
245 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_scalar_dtor
,8)
246 void * __thiscall
MSVCRT_exception_scalar_dtor(exception
* _this
, unsigned int flags
)
248 TRACE("(%p %x)\n", _this
, flags
);
249 MSVCRT_exception_dtor(_this
);
250 if (flags
& 1) MSVCRT_operator_delete(_this
);
254 /******************************************************************
255 * ?what@exception@@UBEPBDXZ (MSVCRT.@)
257 DEFINE_THISCALL_WRAPPER(MSVCRT_what_exception
,4)
258 const char * __thiscall
MSVCRT_what_exception(exception
* _this
)
260 TRACE("(%p) returning %s\n", _this
, _this
->name
);
261 return _this
->name
? _this
->name
: "Unknown exception";
264 /******************************************************************
265 * ??0bad_typeid@@QAE@ABV0@@Z (MSVCRT.@)
267 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_copy_ctor
,8)
268 bad_typeid
* __thiscall
MSVCRT_bad_typeid_copy_ctor(bad_typeid
* _this
, const bad_typeid
* rhs
)
270 TRACE("(%p %p)\n", _this
, rhs
);
271 MSVCRT_exception_copy_ctor(_this
, rhs
);
272 _this
->vtable
= &MSVCRT_bad_typeid_vtable
;
276 /******************************************************************
277 * ??0bad_typeid@@QAE@PBD@Z (MSVCRT.@)
279 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_ctor
,8)
280 bad_typeid
* __thiscall
MSVCRT_bad_typeid_ctor(bad_typeid
* _this
, const char * name
)
282 TRACE("(%p %s)\n", _this
, name
);
283 EXCEPTION_ctor(_this
, &name
);
284 _this
->vtable
= &MSVCRT_bad_typeid_vtable
;
288 /******************************************************************
289 * ??_Fbad_typeid@@QAEXXZ (MSVCRT.@)
291 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_default_ctor
,4)
292 bad_typeid
* __thiscall
MSVCRT_bad_typeid_default_ctor(bad_typeid
* _this
)
294 return MSVCRT_bad_typeid_ctor( _this
, "bad typeid" );
297 /******************************************************************
298 * ??1bad_typeid@@UAE@XZ (MSVCRT.@)
300 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_dtor
,4)
301 void __thiscall
MSVCRT_bad_typeid_dtor(bad_typeid
* _this
)
303 TRACE("(%p)\n", _this
);
304 MSVCRT_exception_dtor(_this
);
307 /******************************************************************
308 * ??4bad_typeid@@QAEAAV0@ABV0@@Z (MSVCRT.@)
310 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_opequals
,8)
311 bad_typeid
* __thiscall
MSVCRT_bad_typeid_opequals(bad_typeid
* _this
, const bad_typeid
* rhs
)
313 TRACE("(%p %p)\n", _this
, rhs
);
314 MSVCRT_exception_opequals(_this
, rhs
);
318 /******************************************************************
319 * ??_Ebad_typeid@@UAEPAXI@Z (MSVCRT.@)
321 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_vector_dtor
,8)
322 void * __thiscall
MSVCRT_bad_typeid_vector_dtor(bad_typeid
* _this
, unsigned int flags
)
324 TRACE("(%p %x)\n", _this
, flags
);
327 /* we have an array, with the number of elements stored before the first object */
328 INT_PTR i
, *ptr
= (INT_PTR
*)_this
- 1;
330 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_bad_typeid_dtor(_this
+ i
);
331 MSVCRT_operator_delete(ptr
);
335 MSVCRT_bad_typeid_dtor(_this
);
336 if (flags
& 1) MSVCRT_operator_delete(_this
);
341 /******************************************************************
342 * ??_Gbad_typeid@@UAEPAXI@Z (MSVCRT.@)
344 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_scalar_dtor
,8)
345 void * __thiscall
MSVCRT_bad_typeid_scalar_dtor(bad_typeid
* _this
, unsigned int flags
)
347 TRACE("(%p %x)\n", _this
, flags
);
348 MSVCRT_bad_typeid_dtor(_this
);
349 if (flags
& 1) MSVCRT_operator_delete(_this
);
353 /******************************************************************
354 * ??0__non_rtti_object@@QAE@ABV0@@Z (MSVCRT.@)
356 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_copy_ctor
,8)
357 __non_rtti_object
* __thiscall
MSVCRT___non_rtti_object_copy_ctor(__non_rtti_object
* _this
,
358 const __non_rtti_object
* rhs
)
360 TRACE("(%p %p)\n", _this
, rhs
);
361 MSVCRT_bad_typeid_copy_ctor(_this
, rhs
);
362 _this
->vtable
= &MSVCRT___non_rtti_object_vtable
;
366 /******************************************************************
367 * ??0__non_rtti_object@@QAE@PBD@Z (MSVCRT.@)
369 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_ctor
,8)
370 __non_rtti_object
* __thiscall
MSVCRT___non_rtti_object_ctor(__non_rtti_object
* _this
,
373 TRACE("(%p %s)\n", _this
, name
);
374 EXCEPTION_ctor(_this
, &name
);
375 _this
->vtable
= &MSVCRT___non_rtti_object_vtable
;
379 /******************************************************************
380 * ??1__non_rtti_object@@UAE@XZ (MSVCRT.@)
382 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_dtor
,4)
383 void __thiscall
MSVCRT___non_rtti_object_dtor(__non_rtti_object
* _this
)
385 TRACE("(%p)\n", _this
);
386 MSVCRT_bad_typeid_dtor(_this
);
389 /******************************************************************
390 * ??4__non_rtti_object@@QAEAAV0@ABV0@@Z (MSVCRT.@)
392 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_opequals
,8)
393 __non_rtti_object
* __thiscall
MSVCRT___non_rtti_object_opequals(__non_rtti_object
* _this
,
394 const __non_rtti_object
*rhs
)
396 TRACE("(%p %p)\n", _this
, rhs
);
397 MSVCRT_bad_typeid_opequals(_this
, rhs
);
401 /******************************************************************
402 * ??_E__non_rtti_object@@UAEPAXI@Z (MSVCRT.@)
404 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_vector_dtor
,8)
405 void * __thiscall
MSVCRT___non_rtti_object_vector_dtor(__non_rtti_object
* _this
, unsigned int flags
)
407 TRACE("(%p %x)\n", _this
, flags
);
410 /* we have an array, with the number of elements stored before the first object */
411 INT_PTR i
, *ptr
= (INT_PTR
*)_this
- 1;
413 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT___non_rtti_object_dtor(_this
+ i
);
414 MSVCRT_operator_delete(ptr
);
418 MSVCRT___non_rtti_object_dtor(_this
);
419 if (flags
& 1) MSVCRT_operator_delete(_this
);
424 /******************************************************************
425 * ??_G__non_rtti_object@@UAEPAXI@Z (MSVCRT.@)
427 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_scalar_dtor
,8)
428 void * __thiscall
MSVCRT___non_rtti_object_scalar_dtor(__non_rtti_object
* _this
, unsigned int flags
)
430 TRACE("(%p %x)\n", _this
, flags
);
431 MSVCRT___non_rtti_object_dtor(_this
);
432 if (flags
& 1) MSVCRT_operator_delete(_this
);
436 /******************************************************************
437 * ??0bad_cast@@AAE@PBQBD@Z (MSVCRT.@)
438 * ??0bad_cast@@QAE@ABQBD@Z (MSVCRT.@)
440 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_ctor
,8)
441 bad_cast
* __thiscall
MSVCRT_bad_cast_ctor(bad_cast
* _this
, const char ** name
)
443 TRACE("(%p %s)\n", _this
, *name
);
444 EXCEPTION_ctor(_this
, name
);
445 _this
->vtable
= &MSVCRT_bad_cast_vtable
;
449 /******************************************************************
450 * ??0bad_cast@@QAE@ABV0@@Z (MSVCRT.@)
452 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_copy_ctor
,8)
453 bad_cast
* __thiscall
MSVCRT_bad_cast_copy_ctor(bad_cast
* _this
, const bad_cast
* rhs
)
455 TRACE("(%p %p)\n", _this
, rhs
);
456 MSVCRT_exception_copy_ctor(_this
, rhs
);
457 _this
->vtable
= &MSVCRT_bad_cast_vtable
;
461 /******************************************************************
462 * ??0bad_cast@@QAE@PBD@Z (MSVCRT.@)
464 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_ctor_charptr
,8)
465 bad_cast
* __thiscall
MSVCRT_bad_cast_ctor_charptr(bad_cast
* _this
, const char * name
)
467 TRACE("(%p %s)\n", _this
, name
);
468 EXCEPTION_ctor(_this
, &name
);
469 _this
->vtable
= &MSVCRT_bad_cast_vtable
;
473 /******************************************************************
474 * ??_Fbad_cast@@QAEXXZ (MSVCRT.@)
476 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_default_ctor
,4)
477 bad_cast
* __thiscall
MSVCRT_bad_cast_default_ctor(bad_cast
* _this
)
479 return MSVCRT_bad_cast_ctor_charptr( _this
, "bad cast" );
482 /******************************************************************
483 * ??1bad_cast@@UAE@XZ (MSVCRT.@)
485 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_dtor
,4)
486 void __thiscall
MSVCRT_bad_cast_dtor(bad_cast
* _this
)
488 TRACE("(%p)\n", _this
);
489 MSVCRT_exception_dtor(_this
);
492 /******************************************************************
493 * ??4bad_cast@@QAEAAV0@ABV0@@Z (MSVCRT.@)
495 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_opequals
,8)
496 bad_cast
* __thiscall
MSVCRT_bad_cast_opequals(bad_cast
* _this
, const bad_cast
* rhs
)
498 TRACE("(%p %p)\n", _this
, rhs
);
499 MSVCRT_exception_opequals(_this
, rhs
);
503 /******************************************************************
504 * ??_Ebad_cast@@UAEPAXI@Z (MSVCRT.@)
506 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_vector_dtor
,8)
507 void * __thiscall
MSVCRT_bad_cast_vector_dtor(bad_cast
* _this
, unsigned int flags
)
509 TRACE("(%p %x)\n", _this
, flags
);
512 /* we have an array, with the number of elements stored before the first object */
513 INT_PTR i
, *ptr
= (INT_PTR
*)_this
- 1;
515 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_bad_cast_dtor(_this
+ i
);
516 MSVCRT_operator_delete(ptr
);
520 MSVCRT_bad_cast_dtor(_this
);
521 if (flags
& 1) MSVCRT_operator_delete(_this
);
526 /******************************************************************
527 * ??_Gbad_cast@@UAEPAXI@Z (MSVCRT.@)
529 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_scalar_dtor
,8)
530 void * __thiscall
MSVCRT_bad_cast_scalar_dtor(bad_cast
* _this
, unsigned int flags
)
532 TRACE("(%p %x)\n", _this
, flags
);
533 MSVCRT_bad_cast_dtor(_this
);
534 if (flags
& 1) MSVCRT_operator_delete(_this
);
538 /******************************************************************
539 * ??8type_info@@QBEHABV0@@Z (MSVCRT.@)
541 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_opequals_equals
,8)
542 int __thiscall
MSVCRT_type_info_opequals_equals(type_info
* _this
, const type_info
* rhs
)
544 int ret
= !strcmp(_this
->mangled
+ 1, rhs
->mangled
+ 1);
545 TRACE("(%p %p) returning %d\n", _this
, rhs
, ret
);
549 /******************************************************************
550 * ??9type_info@@QBEHABV0@@Z (MSVCRT.@)
552 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_opnot_equals
,8)
553 int __thiscall
MSVCRT_type_info_opnot_equals(type_info
* _this
, const type_info
* rhs
)
555 int ret
= !!strcmp(_this
->mangled
+ 1, rhs
->mangled
+ 1);
556 TRACE("(%p %p) returning %d\n", _this
, rhs
, ret
);
560 /******************************************************************
561 * ?before@type_info@@QBEHABV1@@Z (MSVCRT.@)
563 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_before
,8)
564 int __thiscall
MSVCRT_type_info_before(type_info
* _this
, const type_info
* rhs
)
566 int ret
= strcmp(_this
->mangled
+ 1, rhs
->mangled
+ 1) < 0;
567 TRACE("(%p %p) returning %d\n", _this
, rhs
, ret
);
571 /******************************************************************
572 * ??1type_info@@UAE@XZ (MSVCRT.@)
574 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_dtor
,4)
575 void __thiscall
MSVCRT_type_info_dtor(type_info
* _this
)
577 TRACE("(%p)\n", _this
);
578 MSVCRT_free(_this
->name
);
581 /******************************************************************
582 * ?name@type_info@@QBEPBDXZ (MSVCRT.@)
584 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_name
,4)
585 const char * __thiscall
MSVCRT_type_info_name(type_info
* _this
)
589 /* Create and set the demangled name */
590 /* Note: mangled name in type_info struct always starts with a '.', while
591 * it isn't valid for mangled name.
592 * Is this '.' really part of the mangled name, or has it some other meaning ?
594 char* name
= __unDName(0, _this
->mangled
+ 1, 0,
595 MSVCRT_malloc
, MSVCRT_free
, UNDNAME_NO_ARGUMENTS
| UNDNAME_32_BIT_DECODE
);
598 unsigned int len
= strlen(name
);
600 /* It seems _unDName may leave blanks at the end of the demangled name */
601 while (len
&& name
[--len
] == ' ')
604 if (InterlockedCompareExchangePointer((void**)&_this
->name
, name
, NULL
))
606 /* Another thread set this member since we checked above - use it */
611 TRACE("(%p) returning %s\n", _this
, _this
->name
);
615 /******************************************************************
616 * ?raw_name@type_info@@QBEPBDXZ (MSVCRT.@)
618 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_raw_name
,4)
619 const char * __thiscall
MSVCRT_type_info_raw_name(type_info
* _this
)
621 TRACE("(%p) returning %s\n", _this
, _this
->mangled
);
622 return _this
->mangled
;
626 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_vector_dtor
,8)
627 void * __thiscall
MSVCRT_type_info_vector_dtor(type_info
* _this
, unsigned int flags
)
629 TRACE("(%p %x)\n", _this
, flags
);
632 /* we have an array, with the number of elements stored before the first object */
633 INT_PTR i
, *ptr
= (INT_PTR
*)_this
- 1;
635 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_type_info_dtor(_this
+ i
);
636 MSVCRT_operator_delete(ptr
);
640 MSVCRT_type_info_dtor(_this
);
641 if (flags
& 1) MSVCRT_operator_delete(_this
);
647 void __asm_dummy_vtables(void) {
650 __ASM_VTABLE(type_info
,
651 VTABLE_ADD_FUNC(MSVCRT_type_info_vector_dtor
));
652 __ASM_VTABLE(exception
,
653 VTABLE_ADD_FUNC(MSVCRT_exception_vector_dtor
)
654 VTABLE_ADD_FUNC(MSVCRT_what_exception
));
655 __ASM_VTABLE(bad_typeid
,
656 VTABLE_ADD_FUNC(MSVCRT_bad_typeid_vector_dtor
)
657 VTABLE_ADD_FUNC(MSVCRT_what_exception
));
658 __ASM_VTABLE(bad_cast
,
659 VTABLE_ADD_FUNC(MSVCRT_bad_cast_vector_dtor
)
660 VTABLE_ADD_FUNC(MSVCRT_what_exception
));
661 __ASM_VTABLE(__non_rtti_object
,
662 VTABLE_ADD_FUNC(MSVCRT___non_rtti_object_vector_dtor
)
663 VTABLE_ADD_FUNC(MSVCRT_what_exception
));
669 DEFINE_RTTI_DATA0( type_info
, 0, ".?AVtype_info@@" )
670 DEFINE_RTTI_DATA0( exception
, 0, ".?AVexception@@" )
671 DEFINE_RTTI_DATA1( bad_typeid
, 0, &exception_rtti_base_descriptor
, ".?AVbad_typeid@@" )
672 DEFINE_RTTI_DATA1( bad_cast
, 0, &exception_rtti_base_descriptor
, ".?AVbad_cast@@" )
673 DEFINE_RTTI_DATA2( __non_rtti_object
, 0, &bad_typeid_rtti_base_descriptor
, &exception_rtti_base_descriptor
, ".?AV__non_rtti_object@@" )
675 DEFINE_EXCEPTION_TYPE_INFO( exception
, 0, NULL
, NULL
)
676 DEFINE_EXCEPTION_TYPE_INFO( bad_typeid
, 1, &exception_cxx_type_info
, NULL
)
677 DEFINE_EXCEPTION_TYPE_INFO( bad_cast
, 1, &exception_cxx_type_info
, NULL
)
678 DEFINE_EXCEPTION_TYPE_INFO( __non_rtti_object
, 2, &bad_typeid_cxx_type_info
, &exception_cxx_type_info
)
680 void msvcrt_init_exception(void *base
)
683 init_type_info_rtti(base
);
684 init_exception_rtti(base
);
685 init_bad_typeid_rtti(base
);
686 init_bad_cast_rtti(base
);
687 init___non_rtti_object_rtti(base
);
689 init_exception_cxx(base
);
690 init_bad_typeid_cxx(base
);
691 init_bad_cast_cxx(base
);
692 init___non_rtti_object_cxx(base
);
697 /******************************************************************
698 * ?set_terminate@@YAP6AXXZP6AXXZ@Z (MSVCRT.@)
700 * Install a handler to be called when terminate() is called.
703 * func [I] Handler function to install
706 * The previously installed handler function, if any.
708 MSVCRT_terminate_function CDECL
MSVCRT_set_terminate(MSVCRT_terminate_function func
)
710 thread_data_t
*data
= msvcrt_get_thread_data();
711 MSVCRT_terminate_function previous
= data
->terminate_handler
;
712 TRACE("(%p) returning %p\n",func
,previous
);
713 data
->terminate_handler
= func
;
717 /******************************************************************
718 * _get_terminate (MSVCRT.@)
720 MSVCRT_terminate_function CDECL
MSVCRT__get_terminate(void)
722 thread_data_t
*data
= msvcrt_get_thread_data();
723 TRACE("returning %p\n", data
->terminate_handler
);
724 return data
->terminate_handler
;
727 /******************************************************************
728 * ?set_unexpected@@YAP6AXXZP6AXXZ@Z (MSVCRT.@)
730 * Install a handler to be called when unexpected() is called.
733 * func [I] Handler function to install
736 * The previously installed handler function, if any.
738 MSVCRT_unexpected_function CDECL
MSVCRT_set_unexpected(MSVCRT_unexpected_function func
)
740 thread_data_t
*data
= msvcrt_get_thread_data();
741 MSVCRT_unexpected_function previous
= data
->unexpected_handler
;
742 TRACE("(%p) returning %p\n",func
,previous
);
743 data
->unexpected_handler
= func
;
747 /******************************************************************
748 * _get_unexpected (MSVCRT.@)
750 MSVCRT_unexpected_function CDECL
MSVCRT__get_unexpected(void)
752 thread_data_t
*data
= msvcrt_get_thread_data();
753 TRACE("returning %p\n", data
->unexpected_handler
);
754 return data
->unexpected_handler
;
757 /******************************************************************
758 * ?_set_se_translator@@YAP6AXIPAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z (MSVCRT.@)
760 MSVCRT__se_translator_function CDECL
MSVCRT__set_se_translator(MSVCRT__se_translator_function func
)
762 thread_data_t
*data
= msvcrt_get_thread_data();
763 MSVCRT__se_translator_function previous
= data
->se_translator
;
764 TRACE("(%p) returning %p\n",func
,previous
);
765 data
->se_translator
= func
;
769 /******************************************************************
770 * ?terminate@@YAXXZ (MSVCRT.@)
772 * Default handler for an unhandled exception.
778 * This function does not return. Either control resumes from any
779 * handler installed by calling set_terminate(), or (by default) abort()
782 void CDECL
MSVCRT_terminate(void)
784 thread_data_t
*data
= msvcrt_get_thread_data();
785 if (data
->terminate_handler
) data
->terminate_handler();
789 /******************************************************************
790 * ?unexpected@@YAXXZ (MSVCRT.@)
792 void CDECL
MSVCRT_unexpected(void)
794 thread_data_t
*data
= msvcrt_get_thread_data();
795 if (data
->unexpected_handler
) data
->unexpected_handler();
800 /******************************************************************
801 * __RTtypeid (MSVCRT.@)
803 * Retrieve the Run Time Type Information (RTTI) for a C++ object.
806 * cppobj [I] C++ object to get type information for.
809 * Success: A type_info object describing cppobj.
810 * Failure: If the object to be cast has no RTTI, a __non_rtti_object
811 * exception is thrown. If cppobj is NULL, a bad_typeid exception
812 * is thrown. In either case, this function does not return.
815 * This function is usually called by compiler generated code as a result
816 * of using one of the C++ dynamic cast statements.
819 const type_info
* CDECL
MSVCRT___RTtypeid(void *cppobj
)
821 const type_info
*ret
;
826 MSVCRT_bad_typeid_ctor( &e
, "Attempted a typeid of NULL pointer!" );
827 _CxxThrowException( &e
, &bad_typeid_exception_type
);
833 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
834 ret
= obj_locator
->type_descriptor
;
839 MSVCRT___non_rtti_object_ctor( &e
, "Bad read pointer - no RTTI data!" );
840 _CxxThrowException( &e
, &bad_typeid_exception_type
);
849 const type_info
* CDECL
MSVCRT___RTtypeid(void *cppobj
)
851 const type_info
*ret
;
856 MSVCRT_bad_typeid_ctor( &e
, "Attempted a typeid of NULL pointer!" );
857 _CxxThrowException( &e
, &bad_typeid_exception_type
);
863 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
866 if(obj_locator
->signature
== 0)
867 base
= RtlPcToFileHeader((void*)obj_locator
, (void**)&base
);
869 base
= (char*)obj_locator
- obj_locator
->object_locator
;
871 ret
= (type_info
*)(base
+ obj_locator
->type_descriptor
);
876 MSVCRT___non_rtti_object_ctor( &e
, "Bad read pointer - no RTTI data!" );
877 _CxxThrowException( &e
, &bad_typeid_exception_type
);
885 /******************************************************************
886 * __RTDynamicCast (MSVCRT.@)
888 * Dynamically cast a C++ object to one of its base classes.
891 * cppobj [I] Any C++ object to cast
892 * unknown [I] Reserved, set to 0
893 * src [I] type_info object describing cppobj
894 * dst [I] type_info object describing the base class to cast to
895 * do_throw [I] TRUE = throw an exception if the cast fails, FALSE = don't
898 * Success: The address of cppobj, cast to the object described by dst.
899 * Failure: NULL, If the object to be cast has no RTTI, or dst is not a
900 * valid cast for cppobj. If do_throw is TRUE, a bad_cast exception
901 * is thrown and this function does not return.
904 * This function is usually called by compiler generated code as a result
905 * of using one of the C++ dynamic cast statements.
908 void* CDECL
MSVCRT___RTDynamicCast(void *cppobj
, int unknown
,
909 type_info
*src
, type_info
*dst
,
914 if (!cppobj
) return NULL
;
916 TRACE("obj: %p unknown: %d src: %p %s dst: %p %s do_throw: %d)\n",
917 cppobj
, unknown
, src
, dbgstr_type_info(src
), dst
, dbgstr_type_info(dst
), do_throw
);
919 /* To cast an object at runtime:
920 * 1.Find out the true type of the object from the typeinfo at vtable[-1]
921 * 2.Search for the destination type in the class hierarchy
922 * 3.If destination type is found, return base object address + dest offset
923 * Otherwise, fail the cast
925 * FIXME: the unknown parameter doesn't seem to be used for anything
930 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
931 const rtti_object_hierarchy
*obj_bases
= obj_locator
->type_hierarchy
;
932 const rtti_base_descriptor
* const* base_desc
= obj_bases
->base_classes
->bases
;
934 if (TRACE_ON(msvcrt
)) dump_obj_locator(obj_locator
);
937 for (i
= 0; i
< obj_bases
->array_len
; i
++)
939 const type_info
*typ
= base_desc
[i
]->type_descriptor
;
941 if (!strcmp(typ
->mangled
, dst
->mangled
))
943 /* compute the correct this pointer for that base class */
944 void *this_ptr
= (char *)cppobj
- obj_locator
->base_class_offset
;
945 ret
= get_this_pointer( &base_desc
[i
]->offsets
, this_ptr
);
949 /* VC++ sets do_throw to 1 when the result of a dynamic_cast is assigned
950 * to a reference, since references cannot be NULL.
952 if (!ret
&& do_throw
)
954 const char *msg
= "Bad dynamic_cast!";
956 MSVCRT_bad_cast_ctor( &e
, &msg
);
957 _CxxThrowException( &e
, &bad_cast_exception_type
);
963 MSVCRT___non_rtti_object_ctor( &e
, "Access violation - no RTTI data!" );
964 _CxxThrowException( &e
, &bad_typeid_exception_type
);
973 void* CDECL
MSVCRT___RTDynamicCast(void *cppobj
, int unknown
,
974 type_info
*src
, type_info
*dst
,
979 if (!cppobj
) return NULL
;
981 TRACE("obj: %p unknown: %d src: %p %s dst: %p %s do_throw: %d)\n",
982 cppobj
, unknown
, src
, dbgstr_type_info(src
), dst
, dbgstr_type_info(dst
), do_throw
);
987 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
988 const rtti_object_hierarchy
*obj_bases
;
989 const rtti_base_array
*base_array
;
992 if (TRACE_ON(msvcrt
)) dump_obj_locator(obj_locator
);
994 if(obj_locator
->signature
== 0)
995 base
= RtlPcToFileHeader((void*)obj_locator
, (void**)&base
);
997 base
= (char*)obj_locator
- obj_locator
->object_locator
;
999 obj_bases
= (const rtti_object_hierarchy
*)(base
+ obj_locator
->type_hierarchy
);
1000 base_array
= (const rtti_base_array
*)(base
+ obj_bases
->base_classes
);
1003 for (i
= 0; i
< obj_bases
->array_len
; i
++)
1005 const rtti_base_descriptor
*base_desc
= (const rtti_base_descriptor
*)(base
+ base_array
->bases
[i
]);
1006 const type_info
*typ
= (const type_info
*)(base
+ base_desc
->type_descriptor
);
1008 if (!strcmp(typ
->mangled
, dst
->mangled
))
1010 void *this_ptr
= (char *)cppobj
- obj_locator
->base_class_offset
;
1011 ret
= get_this_pointer( &base_desc
->offsets
, this_ptr
);
1015 if (!ret
&& do_throw
)
1017 const char *msg
= "Bad dynamic_cast!";
1019 MSVCRT_bad_cast_ctor( &e
, &msg
);
1020 _CxxThrowException( &e
, &bad_cast_exception_type
);
1025 __non_rtti_object e
;
1026 MSVCRT___non_rtti_object_ctor( &e
, "Access violation - no RTTI data!" );
1027 _CxxThrowException( &e
, &bad_typeid_exception_type
);
1036 /******************************************************************
1037 * __RTCastToVoid (MSVCRT.@)
1039 * Dynamically cast a C++ object to a void*.
1042 * cppobj [I] The C++ object to cast
1045 * Success: The base address of the object as a void*.
1046 * Failure: NULL, if cppobj is NULL or has no RTTI.
1049 * This function is usually called by compiler generated code as a result
1050 * of using one of the C++ dynamic cast statements.
1052 void* CDECL
MSVCRT___RTCastToVoid(void *cppobj
)
1056 if (!cppobj
) return NULL
;
1060 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
1061 ret
= (char *)cppobj
- obj_locator
->base_class_offset
;
1065 __non_rtti_object e
;
1066 MSVCRT___non_rtti_object_ctor( &e
, "Access violation - no RTTI data!" );
1067 _CxxThrowException( &e
, &bad_typeid_exception_type
);
1075 /*********************************************************************
1076 * _CxxThrowException (MSVCRT.@)
1078 void WINAPI
_CxxThrowException( exception
*object
, const cxx_exception_type
*type
)
1082 args
[0] = CXX_FRAME_MAGIC_VC6
;
1083 args
[1] = (ULONG_PTR
)object
;
1084 args
[2] = (ULONG_PTR
)type
;
1085 RaiseException( CXX_EXCEPTION
, EH_NONCONTINUABLE
, 3, args
);
1088 /*********************************************************************
1089 * ?_is_exception_typeof@@YAHABVtype_info@@PAU_EXCEPTION_POINTERS@@@Z
1090 * ?_is_exception_typeof@@YAHAEBVtype_info@@PEAU_EXCEPTION_POINTERS@@@Z
1093 int __cdecl
_is_exception_typeof(const type_info
*ti
, EXCEPTION_POINTERS
*ep
)
1097 TRACE("(%p %p)\n", ti
, ep
);
1101 EXCEPTION_RECORD
*rec
= ep
->ExceptionRecord
;
1103 if (rec
->ExceptionCode
==CXX_EXCEPTION
&& rec
->NumberParameters
==3 &&
1104 (rec
->ExceptionInformation
[0]==CXX_FRAME_MAGIC_VC6
||
1105 rec
->ExceptionInformation
[0]==CXX_FRAME_MAGIC_VC7
||
1106 rec
->ExceptionInformation
[0]==CXX_FRAME_MAGIC_VC8
))
1108 const cxx_type_info_table
*tit
= ((cxx_exception_type
*)rec
->ExceptionInformation
[2])->type_info_table
;
1111 for (i
=0; i
<tit
->count
; i
++) {
1112 if (ti
==tit
->info
[i
]->type_info
|| !strcmp(ti
->mangled
, tit
->info
[i
]->type_info
->mangled
))
1119 if (i
== tit
->count
)
1131 int __cdecl
_is_exception_typeof(const type_info
*ti
, EXCEPTION_POINTERS
*ep
)
1135 TRACE("(%p %p)\n", ti
, ep
);
1139 EXCEPTION_RECORD
*rec
= ep
->ExceptionRecord
;
1141 if (rec
->ExceptionCode
==CXX_EXCEPTION
&& rec
->NumberParameters
==4 &&
1142 (rec
->ExceptionInformation
[0]==CXX_FRAME_MAGIC_VC6
||
1143 rec
->ExceptionInformation
[0]==CXX_FRAME_MAGIC_VC7
||
1144 rec
->ExceptionInformation
[0]==CXX_FRAME_MAGIC_VC8
))
1146 const cxx_exception_type
*et
= (cxx_exception_type
*)rec
->ExceptionInformation
[2];
1147 const cxx_type_info_table
*tit
= (const cxx_type_info_table
*)(rec
->ExceptionInformation
[3]+et
->type_info_table
);
1150 for (i
=0; i
<tit
->count
; i
++) {
1151 const cxx_type_info
*cti
= (const cxx_type_info
*)(rec
->ExceptionInformation
[3]+tit
->info
[i
]);
1152 const type_info
*except_ti
= (const type_info
*)(rec
->ExceptionInformation
[3]+cti
->type_info
);
1153 if (ti
==except_ti
|| !strcmp(ti
->mangled
, except_ti
->mangled
))
1160 if (i
== tit
->count
)