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" \
67 #define DEFINE_RTTI_DATA(name, off, base_classes, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
68 static const type_info name ## _type_info = { \
69 &MSVCP_type_info_vtable, \
74 static const rtti_base_descriptor name ## _rtti_base_descriptor = { \
81 static const rtti_base_array name ## _rtti_base_array = { \
83 &name ## _rtti_base_descriptor, \
96 static const rtti_object_hierarchy name ## _hierarchy = { \
100 &name ## _rtti_base_array \
103 const rtti_object_locator name ## _rtti = { \
107 &name ## _type_info, \
108 &name ## _hierarchy \
111 #define DEFINE_RTTI_DATA0(name, off, mangled_name) \
112 DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
113 #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
114 DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
115 #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
116 DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
117 #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
118 DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
119 #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
120 DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
121 #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
122 DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
123 #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
124 DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
128 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
130 extern void *vtbl_wrapper_0;
131 extern void *vtbl_wrapper_4;
132 extern void *vtbl_wrapper_8;
133 extern void *vtbl_wrapper_12;
134 extern void *vtbl_wrapper_16;
135 extern void *vtbl_wrapper_20;
136 extern void *vtbl_wrapper_24;
137 extern void *vtbl_wrapper_28;
138 extern void *vtbl_wrapper_32;
139 extern void *vtbl_wrapper_36;
140 extern void *vtbl_wrapper_40;
141 extern void *vtbl_wrapper_44;
142 extern void *vtbl_wrapper_48;
143 extern void *vtbl_wrapper_52;
144 extern void *vtbl_wrapper_56;
145 extern void *vtbl_wrapper_60;
149 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__cdecl***)type)this)[0][off/4]args
153 /* exception object */
154 typedef void (*vtable_ptr)(void);
155 typedef struct __exception
157 const vtable_ptr *vtable;
158 char *name; /* Name of this exception, always a new copy for each object */
159 int do_free; /* Whether to free 'name' in our dtor */
162 /* Internal: throws selected exception */
163 typedef enum __exception_type {
167 EXCEPTION_LOGIC_ERROR,
168 EXCEPTION_LENGTH_ERROR,
169 EXCEPTION_OUT_OF_RANGE,
170 EXCEPTION_INVALID_ARGUMENT,
171 EXCEPTION_RUNTIME_ERROR,
174 void throw_exception(exception_type, const char *);
177 typedef struct __type_info
179 const vtable_ptr *vtable;
180 char *name; /* Unmangled name, allocated lazily */
181 char mangled[128]; /* Variable length, but we declare it large enough for static RTTI */
184 extern const vtable_ptr MSVCP_type_info_vtable;
186 /* offsets for computing the this pointer */
189 int this_offset; /* offset of base class this pointer from start of object */
190 int vbase_descr; /* offset of virtual base class descriptor */
191 int vbase_offset; /* offset of this pointer offset in virtual base class descriptor */
194 typedef struct _rtti_base_descriptor
196 const type_info *type_descriptor;
197 int num_base_classes;
198 this_ptr_offsets offsets; /* offsets for computing the this pointer */
199 unsigned int attributes;
200 } rtti_base_descriptor;
202 typedef struct _rtti_base_array
204 const rtti_base_descriptor *bases[10]; /* First element is the class itself */
207 typedef struct _rtti_object_hierarchy
209 unsigned int signature;
210 unsigned int attributes;
211 int array_len; /* Size of the array pointed to by 'base_classes' */
212 const rtti_base_array *base_classes;
213 } rtti_object_hierarchy;
215 typedef struct _rtti_object_locator
217 unsigned int signature;
218 int base_class_offset;
220 const type_info *type_descriptor;
221 const rtti_object_hierarchy *type_hierarchy;
222 } rtti_object_locator;