2 * Copyright 2012 Piotr Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 /* Copied from dlls/msvcrt/cpp.c */
20 #ifdef __i386__ /* thiscall functions are i386-specific */
22 #define THISCALL(func) __thiscall_ ## func
23 #define THISCALL_NAME(func) __ASM_NAME("__thiscall_" #func)
24 #define __thiscall __stdcall
25 #define DEFINE_THISCALL_WRAPPER(func,args) \
26 extern void THISCALL(func)(void); \
27 __ASM_GLOBAL_FUNC(__thiscall_ ## func, \
31 "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
34 #define THISCALL(func) func
35 #define THISCALL_NAME(func) __ASM_NAME(#func)
36 #define __thiscall __cdecl
37 #define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
43 #define VTABLE_ADD_FUNC(name) "\t.quad " THISCALL_NAME(name) "\n"
45 #define __ASM_VTABLE(name,funcs) \
48 "\t.quad " __ASM_NAME(#name "_rtti") "\n" \
49 "\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
50 __ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
55 #define VTABLE_ADD_FUNC(name) "\t.long " THISCALL_NAME(name) "\n"
57 #define __ASM_VTABLE(name,funcs) \
60 "\t.long " __ASM_NAME(#name "_rtti") "\n" \
61 "\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
62 __ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
69 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
70 static const type_info name ## _type_info = { \
71 &MSVCP_type_info_vtable, \
76 static const rtti_base_descriptor name ## _rtti_base_descriptor = { \
83 static const rtti_base_array name ## _rtti_base_array = { \
85 &name ## _rtti_base_descriptor, \
98 static const rtti_object_hierarchy name ## _hierarchy = { \
102 &name ## _rtti_base_array \
105 const rtti_object_locator name ## _rtti = { \
109 &name ## _type_info, \
110 &name ## _hierarchy \
113 #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, dtor) \
115 static const cxx_type_info type ## _cxx_type_info = { \
117 & type ##_type_info, \
120 (cxx_copy_ctor)THISCALL(MSVCP_ ## type ##_copy_ctor) \
123 static const cxx_type_info_table type ## _cxx_type_table = { \
126 & type ## _cxx_type_info, \
132 static const cxx_exception_type type ## _cxx_type = { \
134 (cxx_copy_ctor)THISCALL(dtor), \
136 & type ## _cxx_type_table \
141 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
142 static const type_info name ## _type_info = { \
143 &MSVCP_type_info_vtable, \
148 static rtti_base_descriptor name ## _rtti_base_descriptor = { \
155 static rtti_base_array name ## _rtti_base_array = { \
170 static rtti_object_hierarchy name ## _hierarchy = { \
177 rtti_object_locator name ## _rtti = { \
186 static void init_ ## name ## _rtti(char *base) \
188 name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \
189 name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \
190 name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \
191 name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \
192 name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \
193 name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \
194 name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \
195 name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \
196 name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \
197 name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \
198 name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \
199 name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \
200 name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \
201 name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \
202 name ## _rtti.object_locator = (char*)&name ## _rtti - base; \
205 #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, dtor) \
207 static cxx_type_info type ## _cxx_type_info = { \
215 static cxx_type_info_table type ## _cxx_type_table = { \
224 static cxx_exception_type type ##_cxx_type = { \
231 static void init_ ## type ## _cxx(char *base) \
233 type ## _cxx_type_info.type_info = (char *)&type ## _type_info - base; \
234 type ## _cxx_type_info.copy_ctor = (char *)MSVCP_ ## type ## _copy_ctor - base; \
235 type ## _cxx_type_table.info[0] = (char *)&type ## _cxx_type_info - base; \
236 type ## _cxx_type_table.info[1] = (char *)cl1 - base; \
237 type ## _cxx_type_table.info[2] = (char *)cl2 - base; \
238 type ## _cxx_type.destructor = (char *)dtor - base; \
239 type ## _cxx_type.type_info_table = (char *)&type ## _cxx_type_table - base; \
244 #define DEFINE_RTTI_DATA0(name, off, mangled_name) \
245 DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
246 #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
247 DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
248 #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
249 DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
250 #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
251 DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
252 #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
253 DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
254 #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
255 DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
256 #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
257 DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
259 #define DEFINE_CXX_DATA0(name, dtor) \
260 DEFINE_CXX_DATA(name, 0, NULL, NULL, dtor)
261 #define DEFINE_CXX_DATA1(name, cl1, dtor) \
262 DEFINE_CXX_DATA(name, 1, cl1, NULL, dtor)
263 #define DEFINE_CXX_DATA2(name, cl1, cl2, dtor) \
264 DEFINE_CXX_DATA(name, 2, cl1, cl2, dtor)
268 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
270 extern void *vtbl_wrapper_0;
271 extern void *vtbl_wrapper_4;
272 extern void *vtbl_wrapper_8;
273 extern void *vtbl_wrapper_12;
274 extern void *vtbl_wrapper_16;
275 extern void *vtbl_wrapper_20;
276 extern void *vtbl_wrapper_24;
277 extern void *vtbl_wrapper_28;
278 extern void *vtbl_wrapper_32;
279 extern void *vtbl_wrapper_36;
280 extern void *vtbl_wrapper_40;
281 extern void *vtbl_wrapper_44;
282 extern void *vtbl_wrapper_48;
283 extern void *vtbl_wrapper_52;
287 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__cdecl***)type)this)[0][off/4]args
291 /* exception object */
292 typedef void (*vtable_ptr)(void);
293 typedef struct __exception
295 const vtable_ptr *vtable;
296 char *name; /* Name of this exception, always a new copy for each object */
297 int do_free; /* Whether to free 'name' in our dtor */
300 /* Internal: throws selected exception */
301 typedef enum __exception_type {
305 EXCEPTION_LOGIC_ERROR,
306 EXCEPTION_LENGTH_ERROR,
307 EXCEPTION_OUT_OF_RANGE,
308 EXCEPTION_INVALID_ARGUMENT,
309 EXCEPTION_RUNTIME_ERROR,
312 void throw_exception(exception_type, const char *);
315 typedef struct __type_info
317 const vtable_ptr *vtable;
318 char *name; /* Unmangled name, allocated lazily */
319 char mangled[128]; /* Variable length, but we declare it large enough for static RTTI */
322 extern const vtable_ptr MSVCP_type_info_vtable;
324 /* offsets for computing the this pointer */
327 int this_offset; /* offset of base class this pointer from start of object */
328 int vbase_descr; /* offset of virtual base class descriptor */
329 int vbase_offset; /* offset of this pointer offset in virtual base class descriptor */
332 /* dlls/msvcrt/cppexcept.h */
333 typedef void (*cxx_copy_ctor)(void);
337 typedef struct _rtti_base_descriptor
339 const type_info *type_descriptor;
340 int num_base_classes;
341 this_ptr_offsets offsets; /* offsets for computing the this pointer */
342 unsigned int attributes;
343 } rtti_base_descriptor;
345 typedef struct _rtti_base_array
347 const rtti_base_descriptor *bases[10]; /* First element is the class itself */
350 typedef struct _rtti_object_hierarchy
352 unsigned int signature;
353 unsigned int attributes;
354 int array_len; /* Size of the array pointed to by 'base_classes' */
355 const rtti_base_array *base_classes;
356 } rtti_object_hierarchy;
358 typedef struct _rtti_object_locator
360 unsigned int signature;
361 int base_class_offset;
363 const type_info *type_descriptor;
364 const rtti_object_hierarchy *type_hierarchy;
365 } rtti_object_locator;
370 const type_info *type_info;
371 this_ptr_offsets offsets;
373 cxx_copy_ctor copy_ctor;
379 const cxx_type_info *info[3];
380 } cxx_type_info_table;
385 void (*destructor)(void);
386 void* /*cxx_exc_custom_handler*/ custom_handler;
387 const cxx_type_info_table *type_info_table;
388 } cxx_exception_type;
394 unsigned int type_descriptor;
395 int num_base_classes;
396 this_ptr_offsets offsets; /* offsets for computing the this pointer */
397 unsigned int attributes;
398 } rtti_base_descriptor;
402 unsigned int bases[10]; /* First element is the class itself */
407 unsigned int signature;
408 unsigned int attributes;
409 int array_len; /* Size of the array pointed to by 'base_classes' */
410 unsigned int base_classes;
411 } rtti_object_hierarchy;
415 unsigned int signature;
416 int base_class_offset;
418 unsigned int type_descriptor;
419 unsigned int type_hierarchy;
420 unsigned int object_locator;
421 } rtti_object_locator;
426 unsigned int type_info;
427 this_ptr_offsets offsets;
429 unsigned int copy_ctor;
435 unsigned int info[3];
436 } cxx_type_info_table;
441 unsigned int destructor;
442 unsigned int custom_handler;
443 unsigned int type_info_table;
444 } cxx_exception_type;