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 \
115 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
116 static const type_info name ## _type_info = { \
117 &MSVCP_type_info_vtable, \
122 static rtti_base_descriptor name ## _rtti_base_descriptor = { \
129 static rtti_base_array name ## _rtti_base_array = { \
144 static rtti_object_hierarchy name ## _hierarchy = { \
151 rtti_object_locator name ## _rtti = { \
160 static void init_ ## name ## _rtti(char *base) \
162 name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \
163 name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \
164 name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \
165 name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \
166 name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \
167 name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \
168 name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \
169 name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \
170 name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \
171 name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \
172 name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \
173 name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \
174 name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \
175 name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \
176 name ## _rtti.object_locator = (char*)&name ## _rtti - base; \
181 #define DEFINE_RTTI_DATA0(name, off, mangled_name) \
182 DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
183 #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
184 DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
185 #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
186 DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
187 #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
188 DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
189 #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
190 DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
191 #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
192 DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
193 #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
194 DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
198 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
200 extern void *vtbl_wrapper_0;
201 extern void *vtbl_wrapper_4;
202 extern void *vtbl_wrapper_8;
203 extern void *vtbl_wrapper_12;
204 extern void *vtbl_wrapper_16;
205 extern void *vtbl_wrapper_20;
206 extern void *vtbl_wrapper_24;
207 extern void *vtbl_wrapper_28;
208 extern void *vtbl_wrapper_32;
209 extern void *vtbl_wrapper_36;
210 extern void *vtbl_wrapper_40;
211 extern void *vtbl_wrapper_44;
212 extern void *vtbl_wrapper_48;
216 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__cdecl***)type)this)[0][off/4]args
220 /* exception object */
221 typedef void (*vtable_ptr)(void);
222 typedef struct __exception
224 const vtable_ptr *vtable;
225 char *name; /* Name of this exception, always a new copy for each object */
226 int do_free; /* Whether to free 'name' in our dtor */
229 /* Internal: throws selected exception */
230 typedef enum __exception_type {
234 EXCEPTION_LOGIC_ERROR,
235 EXCEPTION_LENGTH_ERROR,
236 EXCEPTION_OUT_OF_RANGE,
237 EXCEPTION_INVALID_ARGUMENT,
238 EXCEPTION_RUNTIME_ERROR,
241 void throw_exception(exception_type, const char *);
244 typedef struct __type_info
246 const vtable_ptr *vtable;
247 char *name; /* Unmangled name, allocated lazily */
248 char mangled[128]; /* Variable length, but we declare it large enough for static RTTI */
251 extern const vtable_ptr MSVCP_type_info_vtable;
253 /* offsets for computing the this pointer */
256 int this_offset; /* offset of base class this pointer from start of object */
257 int vbase_descr; /* offset of virtual base class descriptor */
258 int vbase_offset; /* offset of this pointer offset in virtual base class descriptor */
263 typedef struct _rtti_base_descriptor
265 const type_info *type_descriptor;
266 int num_base_classes;
267 this_ptr_offsets offsets; /* offsets for computing the this pointer */
268 unsigned int attributes;
269 } rtti_base_descriptor;
271 typedef struct _rtti_base_array
273 const rtti_base_descriptor *bases[10]; /* First element is the class itself */
276 typedef struct _rtti_object_hierarchy
278 unsigned int signature;
279 unsigned int attributes;
280 int array_len; /* Size of the array pointed to by 'base_classes' */
281 const rtti_base_array *base_classes;
282 } rtti_object_hierarchy;
284 typedef struct _rtti_object_locator
286 unsigned int signature;
287 int base_class_offset;
289 const type_info *type_descriptor;
290 const rtti_object_hierarchy *type_hierarchy;
291 } rtti_object_locator;
297 unsigned int type_descriptor;
298 int num_base_classes;
299 this_ptr_offsets offsets; /* offsets for computing the this pointer */
300 unsigned int attributes;
301 } rtti_base_descriptor;
305 unsigned int bases[10]; /* First element is the class itself */
310 unsigned int signature;
311 unsigned int attributes;
312 int array_len; /* Size of the array pointed to by 'base_classes' */
313 unsigned int base_classes;
314 } rtti_object_hierarchy;
318 unsigned int signature;
319 int base_class_offset;
321 unsigned int type_descriptor;
322 unsigned int type_hierarchy;
323 unsigned int object_locator;
324 } rtti_object_locator;