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"
35 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt
);
37 typedef exception bad_cast
;
38 typedef exception bad_typeid
;
39 typedef exception __non_rtti_object
;
41 typedef struct _rtti_base_descriptor
43 const type_info
*type_descriptor
;
45 this_ptr_offsets offsets
; /* offsets for computing the this pointer */
46 unsigned int attributes
;
47 } rtti_base_descriptor
;
49 typedef struct _rtti_base_array
51 const rtti_base_descriptor
*bases
[3]; /* First element is the class itself */
54 typedef struct _rtti_object_hierarchy
56 unsigned int signature
;
57 unsigned int attributes
;
58 int array_len
; /* Size of the array pointed to by 'base_classes' */
59 const rtti_base_array
*base_classes
;
60 } rtti_object_hierarchy
;
62 typedef struct _rtti_object_locator
64 unsigned int signature
;
65 int base_class_offset
;
67 const type_info
*type_descriptor
;
68 const rtti_object_hierarchy
*type_hierarchy
;
69 } rtti_object_locator
;
72 #ifdef __i386__ /* thiscall functions are i386-specific */
74 #define THISCALL(func) __thiscall_ ## func
75 #define THISCALL_NAME(func) __ASM_NAME("__thiscall_" #func)
76 #define __thiscall __stdcall
77 #define DEFINE_THISCALL_WRAPPER(func,args) \
78 extern void THISCALL(func)(void); \
79 __ASM_GLOBAL_FUNC(__thiscall_ ## func, \
83 "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
86 #define THISCALL(func) func
87 #define THISCALL_NAME(func) __ASM_NAME(#func)
88 #define __thiscall __cdecl
89 #define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
93 extern const vtable_ptr MSVCRT_exception_vtable
;
94 extern const vtable_ptr MSVCRT_bad_typeid_vtable
;
95 extern const vtable_ptr MSVCRT_bad_cast_vtable
;
96 extern const vtable_ptr MSVCRT___non_rtti_object_vtable
;
97 extern const vtable_ptr MSVCRT_type_info_vtable
;
99 /* get the vtable pointer for a C++ object */
100 static inline const vtable_ptr
*get_vtable( void *obj
)
102 return *(const vtable_ptr
**)obj
;
105 static inline const rtti_object_locator
*get_obj_locator( void *cppobj
)
107 const vtable_ptr
*vtable
= get_vtable( cppobj
);
108 return (const rtti_object_locator
*)vtable
[-1];
111 static void dump_obj_locator( const rtti_object_locator
*ptr
)
114 const rtti_object_hierarchy
*h
= ptr
->type_hierarchy
;
116 TRACE( "%p: sig=%08x base_offset=%08x flags=%08x type=%p %s hierarchy=%p\n",
117 ptr
, ptr
->signature
, ptr
->base_class_offset
, ptr
->flags
,
118 ptr
->type_descriptor
, dbgstr_type_info(ptr
->type_descriptor
), ptr
->type_hierarchy
);
119 TRACE( " hierarchy: sig=%08x attr=%08x len=%d base classes=%p\n",
120 h
->signature
, h
->attributes
, h
->array_len
, h
->base_classes
);
121 for (i
= 0; i
< h
->array_len
; i
++)
123 TRACE( " base class %p: num %d off %d,%d,%d attr %08x type %p %s\n",
124 h
->base_classes
->bases
[i
],
125 h
->base_classes
->bases
[i
]->num_base_classes
,
126 h
->base_classes
->bases
[i
]->offsets
.this_offset
,
127 h
->base_classes
->bases
[i
]->offsets
.vbase_descr
,
128 h
->base_classes
->bases
[i
]->offsets
.vbase_offset
,
129 h
->base_classes
->bases
[i
]->attributes
,
130 h
->base_classes
->bases
[i
]->type_descriptor
,
131 dbgstr_type_info(h
->base_classes
->bases
[i
]->type_descriptor
) );
135 /* Internal common ctor for exception */
136 static void EXCEPTION_ctor(exception
*_this
, const char** name
)
138 _this
->vtable
= &MSVCRT_exception_vtable
;
141 unsigned int name_len
= strlen(*name
) + 1;
142 _this
->name
= MSVCRT_malloc(name_len
);
143 memcpy(_this
->name
, *name
, name_len
);
144 _this
->do_free
= TRUE
;
149 _this
->do_free
= FALSE
;
153 /******************************************************************
154 * ??0exception@@QAE@ABQBD@Z (MSVCRT.@)
156 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_ctor
,8)
157 exception
* __thiscall
MSVCRT_exception_ctor(exception
* _this
, const char ** name
)
159 TRACE("(%p,%s)\n", _this
, *name
);
160 EXCEPTION_ctor(_this
, name
);
164 /******************************************************************
165 * ??0exception@@QAE@ABQBDH@Z (MSVCRT.@)
167 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_ctor_noalloc
,12)
168 exception
* __thiscall
MSVCRT_exception_ctor_noalloc(exception
* _this
, char ** name
, int noalloc
)
170 TRACE("(%p,%s)\n", _this
, *name
);
171 _this
->vtable
= &MSVCRT_exception_vtable
;
173 _this
->do_free
= FALSE
;
177 /******************************************************************
178 * ??0exception@@QAE@ABV0@@Z (MSVCRT.@)
180 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_copy_ctor
,8)
181 exception
* __thiscall
MSVCRT_exception_copy_ctor(exception
* _this
, const exception
* rhs
)
183 TRACE("(%p,%p)\n", _this
, rhs
);
187 _this
->vtable
= &MSVCRT_exception_vtable
;
188 _this
->name
= rhs
->name
;
189 _this
->do_free
= FALSE
;
192 EXCEPTION_ctor(_this
, (const char**)&rhs
->name
);
193 TRACE("name = %s\n", _this
->name
);
197 /******************************************************************
198 * ??0exception@@QAE@XZ (MSVCRT.@)
200 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_default_ctor
,4)
201 exception
* __thiscall
MSVCRT_exception_default_ctor(exception
* _this
)
203 static const char* empty
= NULL
;
205 TRACE("(%p)\n", _this
);
206 EXCEPTION_ctor(_this
, &empty
);
210 /******************************************************************
211 * ??1exception@@UAE@XZ (MSVCRT.@)
213 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_dtor
,4)
214 void __thiscall
MSVCRT_exception_dtor(exception
* _this
)
216 TRACE("(%p)\n", _this
);
217 _this
->vtable
= &MSVCRT_exception_vtable
;
218 if (_this
->do_free
) MSVCRT_free(_this
->name
);
221 /******************************************************************
222 * ??4exception@@QAEAAV0@ABV0@@Z (MSVCRT.@)
224 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_opequals
,8)
225 exception
* __thiscall
MSVCRT_exception_opequals(exception
* _this
, const exception
* rhs
)
227 TRACE("(%p %p)\n", _this
, rhs
);
230 MSVCRT_exception_dtor(_this
);
231 MSVCRT_exception_copy_ctor(_this
, rhs
);
233 TRACE("name = %s\n", _this
->name
);
237 /******************************************************************
238 * ??_Eexception@@UAEPAXI@Z (MSVCRT.@)
240 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_vector_dtor
,8)
241 void * __thiscall
MSVCRT_exception_vector_dtor(exception
* _this
, unsigned int flags
)
243 TRACE("(%p %x)\n", _this
, flags
);
246 /* we have an array, with the number of elements stored before the first object */
247 int i
, *ptr
= (int *)_this
- 1;
249 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_exception_dtor(_this
+ i
);
250 MSVCRT_operator_delete(ptr
);
254 MSVCRT_exception_dtor(_this
);
255 if (flags
& 1) MSVCRT_operator_delete(_this
);
260 /******************************************************************
261 * ??_Gexception@@UAEPAXI@Z (MSVCRT.@)
263 DEFINE_THISCALL_WRAPPER(MSVCRT_exception_scalar_dtor
,8)
264 void * __thiscall
MSVCRT_exception_scalar_dtor(exception
* _this
, unsigned int flags
)
266 TRACE("(%p %x)\n", _this
, flags
);
267 MSVCRT_exception_dtor(_this
);
268 if (flags
& 1) MSVCRT_operator_delete(_this
);
272 /******************************************************************
273 * ?what@exception@@UBEPBDXZ (MSVCRT.@)
275 DEFINE_THISCALL_WRAPPER(MSVCRT_what_exception
,4)
276 const char * __thiscall
MSVCRT_what_exception(exception
* _this
)
278 TRACE("(%p) returning %s\n", _this
, _this
->name
);
279 return _this
->name
? _this
->name
: "Unknown exception";
282 /******************************************************************
283 * ??0bad_typeid@@QAE@ABV0@@Z (MSVCRT.@)
285 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_copy_ctor
,8)
286 bad_typeid
* __thiscall
MSVCRT_bad_typeid_copy_ctor(bad_typeid
* _this
, const bad_typeid
* rhs
)
288 TRACE("(%p %p)\n", _this
, rhs
);
289 MSVCRT_exception_copy_ctor(_this
, rhs
);
290 _this
->vtable
= &MSVCRT_bad_typeid_vtable
;
294 /******************************************************************
295 * ??0bad_typeid@@QAE@PBD@Z (MSVCRT.@)
297 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_ctor
,8)
298 bad_typeid
* __thiscall
MSVCRT_bad_typeid_ctor(bad_typeid
* _this
, const char * name
)
300 TRACE("(%p %s)\n", _this
, name
);
301 EXCEPTION_ctor(_this
, &name
);
302 _this
->vtable
= &MSVCRT_bad_typeid_vtable
;
306 /******************************************************************
307 * ??_Fbad_typeid@@QAEXXZ (MSVCRT.@)
309 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_default_ctor
,4)
310 bad_typeid
* __thiscall
MSVCRT_bad_typeid_default_ctor(bad_typeid
* _this
)
312 return MSVCRT_bad_typeid_ctor( _this
, "bad typeid" );
315 /******************************************************************
316 * ??1bad_typeid@@UAE@XZ (MSVCRT.@)
318 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_dtor
,4)
319 void __thiscall
MSVCRT_bad_typeid_dtor(bad_typeid
* _this
)
321 TRACE("(%p)\n", _this
);
322 MSVCRT_exception_dtor(_this
);
325 /******************************************************************
326 * ??4bad_typeid@@QAEAAV0@ABV0@@Z (MSVCRT.@)
328 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_opequals
,8)
329 bad_typeid
* __thiscall
MSVCRT_bad_typeid_opequals(bad_typeid
* _this
, const bad_typeid
* rhs
)
331 TRACE("(%p %p)\n", _this
, rhs
);
332 MSVCRT_exception_opequals(_this
, rhs
);
336 /******************************************************************
337 * ??_Ebad_typeid@@UAEPAXI@Z (MSVCRT.@)
339 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_vector_dtor
,8)
340 void * __thiscall
MSVCRT_bad_typeid_vector_dtor(bad_typeid
* _this
, unsigned int flags
)
342 TRACE("(%p %x)\n", _this
, flags
);
345 /* we have an array, with the number of elements stored before the first object */
346 int i
, *ptr
= (int *)_this
- 1;
348 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_bad_typeid_dtor(_this
+ i
);
349 MSVCRT_operator_delete(ptr
);
353 MSVCRT_bad_typeid_dtor(_this
);
354 if (flags
& 1) MSVCRT_operator_delete(_this
);
359 /******************************************************************
360 * ??_Gbad_typeid@@UAEPAXI@Z (MSVCRT.@)
362 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_typeid_scalar_dtor
,8)
363 void * __thiscall
MSVCRT_bad_typeid_scalar_dtor(bad_typeid
* _this
, unsigned int flags
)
365 TRACE("(%p %x)\n", _this
, flags
);
366 MSVCRT_bad_typeid_dtor(_this
);
367 if (flags
& 1) MSVCRT_operator_delete(_this
);
371 /******************************************************************
372 * ??0__non_rtti_object@@QAE@ABV0@@Z (MSVCRT.@)
374 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_copy_ctor
,8)
375 __non_rtti_object
* __thiscall
MSVCRT___non_rtti_object_copy_ctor(__non_rtti_object
* _this
,
376 const __non_rtti_object
* rhs
)
378 TRACE("(%p %p)\n", _this
, rhs
);
379 MSVCRT_bad_typeid_copy_ctor(_this
, rhs
);
380 _this
->vtable
= &MSVCRT___non_rtti_object_vtable
;
384 /******************************************************************
385 * ??0__non_rtti_object@@QAE@PBD@Z (MSVCRT.@)
387 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_ctor
,8)
388 __non_rtti_object
* __thiscall
MSVCRT___non_rtti_object_ctor(__non_rtti_object
* _this
,
391 TRACE("(%p %s)\n", _this
, name
);
392 EXCEPTION_ctor(_this
, &name
);
393 _this
->vtable
= &MSVCRT___non_rtti_object_vtable
;
397 /******************************************************************
398 * ??1__non_rtti_object@@UAE@XZ (MSVCRT.@)
400 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_dtor
,4)
401 void __thiscall
MSVCRT___non_rtti_object_dtor(__non_rtti_object
* _this
)
403 TRACE("(%p)\n", _this
);
404 MSVCRT_bad_typeid_dtor(_this
);
407 /******************************************************************
408 * ??4__non_rtti_object@@QAEAAV0@ABV0@@Z (MSVCRT.@)
410 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_opequals
,8)
411 __non_rtti_object
* __thiscall
MSVCRT___non_rtti_object_opequals(__non_rtti_object
* _this
,
412 const __non_rtti_object
*rhs
)
414 TRACE("(%p %p)\n", _this
, rhs
);
415 MSVCRT_bad_typeid_opequals(_this
, rhs
);
419 /******************************************************************
420 * ??_E__non_rtti_object@@UAEPAXI@Z (MSVCRT.@)
422 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_vector_dtor
,8)
423 void * __thiscall
MSVCRT___non_rtti_object_vector_dtor(__non_rtti_object
* _this
, unsigned int flags
)
425 TRACE("(%p %x)\n", _this
, flags
);
428 /* we have an array, with the number of elements stored before the first object */
429 int i
, *ptr
= (int *)_this
- 1;
431 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT___non_rtti_object_dtor(_this
+ i
);
432 MSVCRT_operator_delete(ptr
);
436 MSVCRT___non_rtti_object_dtor(_this
);
437 if (flags
& 1) MSVCRT_operator_delete(_this
);
442 /******************************************************************
443 * ??_G__non_rtti_object@@UAEPAXI@Z (MSVCRT.@)
445 DEFINE_THISCALL_WRAPPER(MSVCRT___non_rtti_object_scalar_dtor
,8)
446 void * __thiscall
MSVCRT___non_rtti_object_scalar_dtor(__non_rtti_object
* _this
, unsigned int flags
)
448 TRACE("(%p %x)\n", _this
, flags
);
449 MSVCRT___non_rtti_object_dtor(_this
);
450 if (flags
& 1) MSVCRT_operator_delete(_this
);
454 /******************************************************************
455 * ??0bad_cast@@AAE@PBQBD@Z (MSVCRT.@)
456 * ??0bad_cast@@QAE@ABQBD@Z (MSVCRT.@)
458 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_ctor
,8)
459 bad_cast
* __thiscall
MSVCRT_bad_cast_ctor(bad_cast
* _this
, const char ** name
)
461 TRACE("(%p %s)\n", _this
, *name
);
462 EXCEPTION_ctor(_this
, name
);
463 _this
->vtable
= &MSVCRT_bad_cast_vtable
;
467 /******************************************************************
468 * ??0bad_cast@@QAE@ABV0@@Z (MSVCRT.@)
470 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_copy_ctor
,8)
471 bad_cast
* __thiscall
MSVCRT_bad_cast_copy_ctor(bad_cast
* _this
, const bad_cast
* rhs
)
473 TRACE("(%p %p)\n", _this
, rhs
);
474 MSVCRT_exception_copy_ctor(_this
, rhs
);
475 _this
->vtable
= &MSVCRT_bad_cast_vtable
;
479 /******************************************************************
480 * ??0bad_cast@@QAE@PBD@Z (MSVCRT.@)
482 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_ctor_charptr
,8)
483 bad_cast
* __thiscall
MSVCRT_bad_cast_ctor_charptr(bad_cast
* _this
, const char * name
)
485 TRACE("(%p %s)\n", _this
, name
);
486 EXCEPTION_ctor(_this
, &name
);
487 _this
->vtable
= &MSVCRT_bad_cast_vtable
;
491 /******************************************************************
492 * ??_Fbad_cast@@QAEXXZ (MSVCRT.@)
494 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_default_ctor
,4)
495 bad_cast
* __thiscall
MSVCRT_bad_cast_default_ctor(bad_cast
* _this
)
497 return MSVCRT_bad_cast_ctor_charptr( _this
, "bad cast" );
500 /******************************************************************
501 * ??1bad_cast@@UAE@XZ (MSVCRT.@)
503 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_dtor
,4)
504 void __thiscall
MSVCRT_bad_cast_dtor(bad_cast
* _this
)
506 TRACE("(%p)\n", _this
);
507 MSVCRT_exception_dtor(_this
);
510 /******************************************************************
511 * ??4bad_cast@@QAEAAV0@ABV0@@Z (MSVCRT.@)
513 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_opequals
,8)
514 bad_cast
* __thiscall
MSVCRT_bad_cast_opequals(bad_cast
* _this
, const bad_cast
* rhs
)
516 TRACE("(%p %p)\n", _this
, rhs
);
517 MSVCRT_exception_opequals(_this
, rhs
);
521 /******************************************************************
522 * ??_Ebad_cast@@UAEPAXI@Z (MSVCRT.@)
524 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_vector_dtor
,8)
525 void * __thiscall
MSVCRT_bad_cast_vector_dtor(bad_cast
* _this
, unsigned int flags
)
527 TRACE("(%p %x)\n", _this
, flags
);
530 /* we have an array, with the number of elements stored before the first object */
531 int i
, *ptr
= (int *)_this
- 1;
533 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_bad_cast_dtor(_this
+ i
);
534 MSVCRT_operator_delete(ptr
);
538 MSVCRT_bad_cast_dtor(_this
);
539 if (flags
& 1) MSVCRT_operator_delete(_this
);
544 /******************************************************************
545 * ??_Gbad_cast@@UAEPAXI@Z (MSVCRT.@)
547 DEFINE_THISCALL_WRAPPER(MSVCRT_bad_cast_scalar_dtor
,8)
548 void * __thiscall
MSVCRT_bad_cast_scalar_dtor(bad_cast
* _this
, unsigned int flags
)
550 TRACE("(%p %x)\n", _this
, flags
);
551 MSVCRT_bad_cast_dtor(_this
);
552 if (flags
& 1) MSVCRT_operator_delete(_this
);
556 /******************************************************************
557 * ??8type_info@@QBEHABV0@@Z (MSVCRT.@)
559 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_opequals_equals
,8)
560 int __thiscall
MSVCRT_type_info_opequals_equals(type_info
* _this
, const type_info
* rhs
)
562 int ret
= !strcmp(_this
->mangled
+ 1, rhs
->mangled
+ 1);
563 TRACE("(%p %p) returning %d\n", _this
, rhs
, ret
);
567 /******************************************************************
568 * ??9type_info@@QBEHABV0@@Z (MSVCRT.@)
570 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_opnot_equals
,8)
571 int __thiscall
MSVCRT_type_info_opnot_equals(type_info
* _this
, const type_info
* rhs
)
573 int ret
= !!strcmp(_this
->mangled
+ 1, rhs
->mangled
+ 1);
574 TRACE("(%p %p) returning %d\n", _this
, rhs
, ret
);
578 /******************************************************************
579 * ?before@type_info@@QBEHABV1@@Z (MSVCRT.@)
581 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_before
,8)
582 int __thiscall
MSVCRT_type_info_before(type_info
* _this
, const type_info
* rhs
)
584 int ret
= strcmp(_this
->mangled
+ 1, rhs
->mangled
+ 1) < 0;
585 TRACE("(%p %p) returning %d\n", _this
, rhs
, ret
);
589 /******************************************************************
590 * ??1type_info@@UAE@XZ (MSVCRT.@)
592 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_dtor
,4)
593 void __thiscall
MSVCRT_type_info_dtor(type_info
* _this
)
595 TRACE("(%p)\n", _this
);
596 MSVCRT_free(_this
->name
);
599 /******************************************************************
600 * ?name@type_info@@QBEPBDXZ (MSVCRT.@)
602 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_name
,4)
603 const char * __thiscall
MSVCRT_type_info_name(type_info
* _this
)
607 /* Create and set the demangled name */
608 /* Note: mangled name in type_info struct always starts with a '.', while
609 * it isn't valid for mangled name.
610 * Is this '.' really part of the mangled name, or has it some other meaning ?
612 char* name
= __unDName(0, _this
->mangled
+ 1, 0,
613 MSVCRT_malloc
, MSVCRT_free
, 0x2800);
616 unsigned int len
= strlen(name
);
618 /* It seems _unDName may leave blanks at the end of the demangled name */
619 while (len
&& name
[--len
] == ' ')
622 if (InterlockedCompareExchangePointer((void**)&_this
->name
, name
, NULL
))
624 /* Another thread set this member since we checked above - use it */
629 TRACE("(%p) returning %s\n", _this
, _this
->name
);
633 /******************************************************************
634 * ?raw_name@type_info@@QBEPBDXZ (MSVCRT.@)
636 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_raw_name
,4)
637 const char * __thiscall
MSVCRT_type_info_raw_name(type_info
* _this
)
639 TRACE("(%p) returning %s\n", _this
, _this
->mangled
);
640 return _this
->mangled
;
644 DEFINE_THISCALL_WRAPPER(MSVCRT_type_info_vector_dtor
,8)
645 void * __thiscall
MSVCRT_type_info_vector_dtor(type_info
* _this
, unsigned int flags
)
647 TRACE("(%p %x)\n", _this
, flags
);
650 /* we have an array, with the number of elements stored before the first object */
651 int i
, *ptr
= (int *)_this
- 1;
653 for (i
= *ptr
- 1; i
>= 0; i
--) MSVCRT_type_info_dtor(_this
+ i
);
654 MSVCRT_operator_delete(ptr
);
658 MSVCRT_type_info_dtor(_this
);
659 if (flags
& 1) MSVCRT_operator_delete(_this
);
668 #define __ASM_VTABLE(name,funcs) \
671 "\t.quad " __ASM_NAME(#name "_rtti") "\n" \
672 "\t.globl " __ASM_NAME("MSVCRT_" #name "_vtable") "\n" \
673 __ASM_NAME("MSVCRT_" #name "_vtable") ":\n" \
674 "\t.quad " THISCALL_NAME(MSVCRT_ ## name ## _vector_dtor) "\n" \
677 #define __ASM_EXCEPTION_VTABLE(name) \
678 __ASM_VTABLE(name, "\t.quad " THISCALL_NAME(MSVCRT_what_exception) )
682 #define __ASM_VTABLE(name,funcs) \
685 "\t.long " __ASM_NAME(#name "_rtti") "\n" \
686 "\t.globl " __ASM_NAME("MSVCRT_" #name "_vtable") "\n" \
687 __ASM_NAME("MSVCRT_" #name "_vtable") ":\n" \
688 "\t.long " THISCALL_NAME(MSVCRT_ ## name ## _vector_dtor) "\n" \
691 #define __ASM_EXCEPTION_VTABLE(name) \
692 __ASM_VTABLE(name, "\t.long " THISCALL_NAME(MSVCRT_what_exception) )
697 void __asm_dummy_vtables(void) {
700 __ASM_VTABLE(type_info
,"")
701 __ASM_EXCEPTION_VTABLE(exception
)
702 __ASM_EXCEPTION_VTABLE(bad_typeid
)
703 __ASM_EXCEPTION_VTABLE(bad_cast
)
704 __ASM_EXCEPTION_VTABLE(__non_rtti_object
)
710 /* Static RTTI for exported objects */
712 static const type_info exception_type_info
=
714 &MSVCRT_type_info_vtable
,
719 static const rtti_base_descriptor exception_rtti_base_descriptor
=
721 &exception_type_info
,
727 static const rtti_base_array exception_rtti_base_array
=
730 &exception_rtti_base_descriptor
,
736 static const rtti_object_hierarchy exception_type_hierarchy
=
741 &exception_rtti_base_array
744 const rtti_object_locator exception_rtti
=
749 &exception_type_info
,
750 &exception_type_hierarchy
753 static const cxx_type_info exception_cxx_type_info
=
756 &exception_type_info
,
759 (cxx_copy_ctor
)THISCALL(MSVCRT_exception_copy_ctor
)
762 static const type_info bad_typeid_type_info
=
764 &MSVCRT_type_info_vtable
,
769 static const rtti_base_descriptor bad_typeid_rtti_base_descriptor
=
771 &bad_typeid_type_info
,
777 static const rtti_base_array bad_typeid_rtti_base_array
=
780 &bad_typeid_rtti_base_descriptor
,
781 &exception_rtti_base_descriptor
,
786 static const rtti_object_hierarchy bad_typeid_type_hierarchy
=
791 &bad_typeid_rtti_base_array
794 const rtti_object_locator bad_typeid_rtti
=
799 &bad_typeid_type_info
,
800 &bad_typeid_type_hierarchy
803 static const cxx_type_info bad_typeid_cxx_type_info
=
806 &bad_typeid_type_info
,
809 (cxx_copy_ctor
)THISCALL(MSVCRT_bad_typeid_copy_ctor
)
812 static const type_info bad_cast_type_info
=
814 &MSVCRT_type_info_vtable
,
819 static const rtti_base_descriptor bad_cast_rtti_base_descriptor
=
827 static const rtti_base_array bad_cast_rtti_base_array
=
830 &bad_cast_rtti_base_descriptor
,
831 &exception_rtti_base_descriptor
,
836 static const rtti_object_hierarchy bad_cast_type_hierarchy
=
841 &bad_cast_rtti_base_array
844 const rtti_object_locator bad_cast_rtti
=
850 &bad_cast_type_hierarchy
853 static const cxx_type_info bad_cast_cxx_type_info
=
859 (cxx_copy_ctor
)THISCALL(MSVCRT_bad_cast_copy_ctor
)
862 static const type_info __non_rtti_object_type_info
=
864 &MSVCRT_type_info_vtable
,
866 ".?AV__non_rtti_object@@"
869 static const rtti_base_descriptor __non_rtti_object_rtti_base_descriptor
=
871 &__non_rtti_object_type_info
,
877 static const rtti_base_array __non_rtti_object_rtti_base_array
=
880 &__non_rtti_object_rtti_base_descriptor
,
881 &bad_typeid_rtti_base_descriptor
,
882 &exception_rtti_base_descriptor
886 static const rtti_object_hierarchy __non_rtti_object_type_hierarchy
=
891 &__non_rtti_object_rtti_base_array
894 const rtti_object_locator __non_rtti_object_rtti
=
899 &__non_rtti_object_type_info
,
900 &__non_rtti_object_type_hierarchy
903 static const cxx_type_info __non_rtti_object_cxx_type_info
=
906 &__non_rtti_object_type_info
,
909 (cxx_copy_ctor
)THISCALL(MSVCRT___non_rtti_object_copy_ctor
)
912 static const type_info type_info_type_info
=
914 &MSVCRT_type_info_vtable
,
919 static const rtti_base_descriptor type_info_rtti_base_descriptor
=
921 &type_info_type_info
,
927 static const rtti_base_array type_info_rtti_base_array
=
930 &type_info_rtti_base_descriptor
,
936 static const rtti_object_hierarchy type_info_type_hierarchy
=
941 &type_info_rtti_base_array
944 const rtti_object_locator type_info_rtti
=
949 &type_info_type_info
,
950 &type_info_type_hierarchy
954 * Exception RTTI for cpp objects
956 static const cxx_type_info_table bad_cast_type_info_table
=
960 &__non_rtti_object_cxx_type_info
,
961 &bad_typeid_cxx_type_info
,
962 &exception_cxx_type_info
966 static const cxx_exception_type bad_cast_exception_type
=
969 (void*)THISCALL(MSVCRT_bad_cast_dtor
),
971 &bad_cast_type_info_table
974 static const cxx_type_info_table bad_typeid_type_info_table
=
978 &bad_cast_cxx_type_info
,
979 &exception_cxx_type_info
,
984 static const cxx_exception_type bad_typeid_exception_type
=
987 (void*)THISCALL(MSVCRT_bad_typeid_dtor
),
989 &bad_cast_type_info_table
992 static const cxx_exception_type __non_rtti_object_exception_type
=
995 (void*)THISCALL(MSVCRT___non_rtti_object_dtor
),
997 &bad_typeid_type_info_table
1001 /******************************************************************
1002 * ?set_terminate@@YAP6AXXZP6AXXZ@Z (MSVCRT.@)
1004 * Install a handler to be called when terminate() is called.
1007 * func [I] Handler function to install
1010 * The previously installed handler function, if any.
1012 MSVCRT_terminate_function CDECL
MSVCRT_set_terminate(MSVCRT_terminate_function func
)
1014 thread_data_t
*data
= msvcrt_get_thread_data();
1015 MSVCRT_terminate_function previous
= data
->terminate_handler
;
1016 TRACE("(%p) returning %p\n",func
,previous
);
1017 data
->terminate_handler
= func
;
1021 /******************************************************************
1022 * _get_terminate (MSVCRT.@)
1024 MSVCRT_terminate_function CDECL
MSVCRT__get_terminate(void)
1026 thread_data_t
*data
= msvcrt_get_thread_data();
1027 TRACE("returning %p\n", data
->terminate_handler
);
1028 return data
->terminate_handler
;
1031 /******************************************************************
1032 * ?set_unexpected@@YAP6AXXZP6AXXZ@Z (MSVCRT.@)
1034 * Install a handler to be called when unexpected() is called.
1037 * func [I] Handler function to install
1040 * The previously installed handler function, if any.
1042 MSVCRT_unexpected_function CDECL
MSVCRT_set_unexpected(MSVCRT_unexpected_function func
)
1044 thread_data_t
*data
= msvcrt_get_thread_data();
1045 MSVCRT_unexpected_function previous
= data
->unexpected_handler
;
1046 TRACE("(%p) returning %p\n",func
,previous
);
1047 data
->unexpected_handler
= func
;
1051 /******************************************************************
1052 * ?_set_se_translator@@YAP6AXIPAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z (MSVCRT.@)
1054 MSVCRT__se_translator_function CDECL
MSVCRT__set_se_translator(MSVCRT__se_translator_function func
)
1056 thread_data_t
*data
= msvcrt_get_thread_data();
1057 MSVCRT__se_translator_function previous
= data
->se_translator
;
1058 TRACE("(%p) returning %p\n",func
,previous
);
1059 data
->se_translator
= func
;
1063 /******************************************************************
1064 * ?terminate@@YAXXZ (MSVCRT.@)
1066 * Default handler for an unhandled exception.
1072 * This function does not return. Either control resumes from any
1073 * handler installed by calling set_terminate(), or (by default) abort()
1076 void CDECL
MSVCRT_terminate(void)
1078 thread_data_t
*data
= msvcrt_get_thread_data();
1079 if (data
->terminate_handler
) data
->terminate_handler();
1083 /******************************************************************
1084 * ?unexpected@@YAXXZ (MSVCRT.@)
1086 void CDECL
MSVCRT_unexpected(void)
1088 thread_data_t
*data
= msvcrt_get_thread_data();
1089 if (data
->unexpected_handler
) data
->unexpected_handler();
1094 /******************************************************************
1095 * __RTtypeid (MSVCRT.@)
1097 * Retrieve the Run Time Type Information (RTTI) for a C++ object.
1100 * cppobj [I] C++ object to get type information for.
1103 * Success: A type_info object describing cppobj.
1104 * Failure: If the object to be cast has no RTTI, a __non_rtti_object
1105 * exception is thrown. If cppobj is NULL, a bad_typeid exception
1106 * is thrown. In either case, this function does not return.
1109 * This function is usually called by compiler generated code as a result
1110 * of using one of the C++ dynamic cast statements.
1112 const type_info
* CDECL
MSVCRT___RTtypeid(void *cppobj
)
1114 const type_info
*ret
;
1119 MSVCRT_bad_typeid_ctor( &e
, "Attempted a typeid of NULL pointer!" );
1120 _CxxThrowException( &e
, &bad_typeid_exception_type
);
1126 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
1127 ret
= obj_locator
->type_descriptor
;
1131 __non_rtti_object e
;
1132 MSVCRT___non_rtti_object_ctor( &e
, "Bad read pointer - no RTTI data!" );
1133 _CxxThrowException( &e
, &bad_typeid_exception_type
);
1140 /******************************************************************
1141 * __RTDynamicCast (MSVCRT.@)
1143 * Dynamically cast a C++ object to one of its base classes.
1146 * cppobj [I] Any C++ object to cast
1147 * unknown [I] Reserved, set to 0
1148 * src [I] type_info object describing cppobj
1149 * dst [I] type_info object describing the base class to cast to
1150 * do_throw [I] TRUE = throw an exception if the cast fails, FALSE = don't
1153 * Success: The address of cppobj, cast to the object described by dst.
1154 * Failure: NULL, If the object to be cast has no RTTI, or dst is not a
1155 * valid cast for cppobj. If do_throw is TRUE, a bad_cast exception
1156 * is thrown and this function does not return.
1159 * This function is usually called by compiler generated code as a result
1160 * of using one of the C++ dynamic cast statements.
1162 void* CDECL
MSVCRT___RTDynamicCast(void *cppobj
, int unknown
,
1163 type_info
*src
, type_info
*dst
,
1168 if (!cppobj
) return NULL
;
1170 TRACE("obj: %p unknown: %d src: %p %s dst: %p %s do_throw: %d)\n",
1171 cppobj
, unknown
, src
, dbgstr_type_info(src
), dst
, dbgstr_type_info(dst
), do_throw
);
1173 /* To cast an object at runtime:
1174 * 1.Find out the true type of the object from the typeinfo at vtable[-1]
1175 * 2.Search for the destination type in the class hierarchy
1176 * 3.If destination type is found, return base object address + dest offset
1177 * Otherwise, fail the cast
1179 * FIXME: the unknown parameter doesn't seem to be used for anything
1184 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
1185 const rtti_object_hierarchy
*obj_bases
= obj_locator
->type_hierarchy
;
1186 const rtti_base_descriptor
* const* base_desc
= obj_bases
->base_classes
->bases
;
1188 if (TRACE_ON(msvcrt
)) dump_obj_locator(obj_locator
);
1191 for (i
= 0; i
< obj_bases
->array_len
; i
++)
1193 const type_info
*typ
= base_desc
[i
]->type_descriptor
;
1195 if (!strcmp(typ
->mangled
, dst
->mangled
))
1197 /* compute the correct this pointer for that base class */
1198 void *this_ptr
= (char *)cppobj
- obj_locator
->base_class_offset
;
1199 ret
= get_this_pointer( &base_desc
[i
]->offsets
, this_ptr
);
1203 /* VC++ sets do_throw to 1 when the result of a dynamic_cast is assigned
1204 * to a reference, since references cannot be NULL.
1206 if (!ret
&& do_throw
)
1208 const char *msg
= "Bad dynamic_cast!";
1210 MSVCRT_bad_cast_ctor( &e
, &msg
);
1211 _CxxThrowException( &e
, &bad_cast_exception_type
);
1216 __non_rtti_object e
;
1217 MSVCRT___non_rtti_object_ctor( &e
, "Access violation - no RTTI data!" );
1218 _CxxThrowException( &e
, &bad_typeid_exception_type
);
1226 /******************************************************************
1227 * __RTCastToVoid (MSVCRT.@)
1229 * Dynamically cast a C++ object to a void*.
1232 * cppobj [I] The C++ object to cast
1235 * Success: The base address of the object as a void*.
1236 * Failure: NULL, if cppobj is NULL or has no RTTI.
1239 * This function is usually called by compiler generated code as a result
1240 * of using one of the C++ dynamic cast statements.
1242 void* CDECL
MSVCRT___RTCastToVoid(void *cppobj
)
1246 if (!cppobj
) return NULL
;
1250 const rtti_object_locator
*obj_locator
= get_obj_locator( cppobj
);
1251 ret
= (char *)cppobj
- obj_locator
->base_class_offset
;
1255 __non_rtti_object e
;
1256 MSVCRT___non_rtti_object_ctor( &e
, "Access violation - no RTTI data!" );
1257 _CxxThrowException( &e
, &bad_typeid_exception_type
);