ReactOS  0.4.15-dev-1207-g698a8e6
cxx.h
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1 /*
2  * Copyright 2012 Piotr Caban for CodeWeavers
3  *
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.
8  *
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.
13  *
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
17  */
18 
19 #include "wine/asm.h"
20 
21 #ifdef _WIN64
22 
23 #define VTABLE_ADD_FUNC(name) "\t.quad " THISCALL_NAME(name) "\n"
24 
25 #define __ASM_VTABLE(name,funcs) \
26  __asm__(".data\n" \
27  "\t.balign 8\n" \
28  "\t.quad " __ASM_NAME(#name "_rtti") "\n" \
29  "\t.globl " __ASM_NAME("MSVCRT_" #name "_vtable") "\n" \
30  __ASM_NAME("MSVCRT_" #name "_vtable") ":\n" \
31  funcs "\n\t.text")
32 
33 #else
34 
35 #define VTABLE_ADD_FUNC(name) "\t.long " THISCALL_NAME(name) "\n"
36 
37 #define __ASM_VTABLE(name,funcs) \
38  __asm__(".data\n" \
39  "\t.balign 4\n" \
40  "\t.long " __ASM_NAME(#name "_rtti") "\n" \
41  "\t.globl " __ASM_NAME("MSVCRT_" #name "_vtable") "\n" \
42  __ASM_NAME("MSVCRT_" #name "_vtable") ":\n" \
43  funcs "\n\t.text")
44 
45 #endif /* _WIN64 */
46 
47 #ifndef __x86_64__
48 
49 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
50  static type_info name ## _type_info = { \
51  &MSVCRT_type_info_vtable, \
52  NULL, \
53  mangled_name \
54  }; \
55 \
56 static const rtti_base_descriptor name ## _rtti_base_descriptor = { \
57  &name ##_type_info, \
58  base_classes_no, \
59  { 0, -1, 0}, \
60  64 \
61 }; \
62 \
63 static const rtti_base_array name ## _rtti_base_array = { \
64  { \
65  &name ## _rtti_base_descriptor, \
66  cl1, \
67  cl2, \
68  cl3, \
69  cl4, \
70  cl5, \
71  cl6, \
72  cl7, \
73  cl8, \
74  cl9, \
75  } \
76 }; \
77 \
78 static const rtti_object_hierarchy name ## _hierarchy = { \
79  0, \
80  0, \
81  base_classes_no+1, \
82  &name ## _rtti_base_array \
83 }; \
84 \
85 const rtti_object_locator name ## _rtti = { \
86  0, \
87  off, \
88  0, \
89  &name ## _type_info, \
90  &name ## _hierarchy \
91 };
92 
93 #else
94 
95 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
96  static type_info name ## _type_info = { \
97  &MSVCRT_type_info_vtable, \
98  NULL, \
99  mangled_name \
100  }; \
101 \
102 static rtti_base_descriptor name ## _rtti_base_descriptor = { \
103  0xdeadbeef, \
104  base_classes_no, \
105  { 0, -1, 0}, \
106  64 \
107 }; \
108 \
109 static rtti_base_array name ## _rtti_base_array = { \
110  { \
111  0xdeadbeef, \
112  0xdeadbeef, \
113  0xdeadbeef, \
114  0xdeadbeef, \
115  0xdeadbeef, \
116  0xdeadbeef, \
117  0xdeadbeef, \
118  0xdeadbeef, \
119  0xdeadbeef, \
120  0xdeadbeef, \
121  } \
122 }; \
123 \
124 static rtti_object_hierarchy name ## _hierarchy = { \
125  0, \
126  0, \
127  base_classes_no+1, \
128  0xdeadbeef \
129 }; \
130 \
131 rtti_object_locator name ## _rtti = { \
132  1, \
133  off, \
134  0, \
135  0xdeadbeef, \
136  0xdeadbeef, \
137  0xdeadbeef \
138 };\
139 \
140 static void init_ ## name ## _rtti(char *base) \
141 { \
142  name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \
143  name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \
144  name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \
145  name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \
146  name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \
147  name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \
148  name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \
149  name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \
150  name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \
151  name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \
152  name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \
153  name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \
154  name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \
155  name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \
156  name ## _rtti.object_locator = (char*)&name ## _rtti - base; \
157 }
158 
159 #endif
160 
161 #define DEFINE_RTTI_DATA0(name, off, mangled_name) \
162  DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
163 #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
164  DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
165 #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
166  DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
167 #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
168  DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
169 #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
170  DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
171 #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
172  DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
173 #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
174  DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
175 
176 #ifndef __x86_64__
177 
178 typedef struct _rtti_base_descriptor
179 {
182  this_ptr_offsets offsets; /* offsets for computing the this pointer */
183  unsigned int attributes;
185 
186 typedef struct _rtti_base_array
187 {
188  const rtti_base_descriptor *bases[10]; /* First element is the class itself */
190 
192 {
193  unsigned int signature;
194  unsigned int attributes;
195  int array_len; /* Size of the array pointed to by 'base_classes' */
198 
199 typedef struct _rtti_object_locator
200 {
201  unsigned int signature;
203  unsigned int flags;
207 
208 #else
209 
210 typedef struct
211 {
212  unsigned int type_descriptor;
213  int num_base_classes;
214  this_ptr_offsets offsets; /* offsets for computing the this pointer */
215  unsigned int attributes;
217 
218 typedef struct
219 {
220  unsigned int bases[10]; /* First element is the class itself */
222 
223 typedef struct
224 {
225  unsigned int signature;
226  unsigned int attributes;
227  int array_len; /* Size of the array pointed to by 'base_classes' */
228  unsigned int base_classes;
230 
231 typedef struct
232 {
233  unsigned int signature;
234  int base_class_offset;
235  unsigned int flags;
236  unsigned int type_descriptor;
237  unsigned int type_hierarchy;
238  unsigned int object_locator;
240 
241 #endif
242 
243 #if defined(__i386__) && !defined(__MINGW32__)
244 
245 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
246 
247 extern void *vtbl_wrapper_0;
248 extern void *vtbl_wrapper_4;
249 extern void *vtbl_wrapper_8;
250 extern void *vtbl_wrapper_12;
251 extern void *vtbl_wrapper_16;
252 extern void *vtbl_wrapper_20;
253 extern void *vtbl_wrapper_24;
254 extern void *vtbl_wrapper_28;
255 extern void *vtbl_wrapper_32;
256 extern void *vtbl_wrapper_36;
257 extern void *vtbl_wrapper_40;
258 extern void *vtbl_wrapper_44;
259 extern void *vtbl_wrapper_48;
260 
261 #else
262 
263 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__thiscall***)type)this)[0][off/4]args
264 
265 #endif
266 
267 //exception* __thiscall MSVCRT_exception_ctor(exception*, const char**);
this_ptr_offsets offsets
Definition: cxx.h:182
const type_info * type_descriptor
Definition: cxx.h:180
unsigned int signature
Definition: cxx.h:201
struct _rtti_base_descriptor rtti_base_descriptor
unsigned int attributes
Definition: cxx.h:194
unsigned int attributes
Definition: cxx.h:183
struct _rtti_object_locator rtti_object_locator
GLbitfield flags
Definition: glext.h:7161
const rtti_base_array * base_classes
Definition: cxx.h:196
const rtti_base_descriptor * bases[10]
Definition: cxx.h:188
int num_base_classes
Definition: cxx.h:181
unsigned int flags
Definition: cxx.h:203
const type_info * type_descriptor
Definition: cxx.h:204
struct _rtti_object_hierarchy rtti_object_hierarchy
const rtti_object_hierarchy * type_hierarchy
Definition: cxx.h:205
struct _rtti_base_array rtti_base_array
int base_class_offset
Definition: cxx.h:202
unsigned int signature
Definition: cxx.h:193