446 lines
13 KiB
C
446 lines
13 KiB
C
/*
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* Copyright 2012 Piotr Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/* Copied from dlls/msvcrt/cpp.c */
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#ifdef __i386__ /* thiscall functions are i386-specific */
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#define THISCALL(func) __thiscall_ ## func
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#define THISCALL_NAME(func) __ASM_NAME("__thiscall_" #func)
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#define __thiscall __stdcall
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#define DEFINE_THISCALL_WRAPPER(func,args) \
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extern void THISCALL(func)(void); \
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__ASM_GLOBAL_FUNC(__thiscall_ ## func, \
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"popl %eax\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
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#else /* __i386__ */
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#define THISCALL(func) func
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#define THISCALL_NAME(func) __ASM_NAME(#func)
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#define __thiscall __cdecl
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#define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
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#endif /* __i386__ */
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#ifdef _WIN64
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#define VTABLE_ADD_FUNC(name) "\t.quad " THISCALL_NAME(name) "\n"
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#define __ASM_VTABLE(name,funcs) \
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__asm__(".data\n" \
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"\t.align 8\n" \
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"\t.quad " __ASM_NAME(#name "_rtti") "\n" \
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"\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
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__ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
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funcs "\n\t.text")
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#else
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#define VTABLE_ADD_FUNC(name) "\t.long " THISCALL_NAME(name) "\n"
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#define __ASM_VTABLE(name,funcs) \
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__asm__(".data\n" \
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"\t.align 4\n" \
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"\t.long " __ASM_NAME(#name "_rtti") "\n" \
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"\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
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__ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
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funcs "\n\t.text")
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#endif /* _WIN64 */
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#ifndef __x86_64__
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#define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
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static const type_info name ## _type_info = { \
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&MSVCP_type_info_vtable, \
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NULL, \
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mangled_name \
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}; \
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\
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static const rtti_base_descriptor name ## _rtti_base_descriptor = { \
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&name ##_type_info, \
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base_classes_no, \
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{ 0, -1, 0}, \
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64 \
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}; \
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\
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static const rtti_base_array name ## _rtti_base_array = { \
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{ \
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&name ## _rtti_base_descriptor, \
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cl1, \
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cl2, \
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cl3, \
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cl4, \
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cl5, \
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cl6, \
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cl7, \
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cl8, \
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cl9, \
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} \
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}; \
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\
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static const rtti_object_hierarchy name ## _hierarchy = { \
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0, \
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0, \
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base_classes_no+1, \
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&name ## _rtti_base_array \
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}; \
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\
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const rtti_object_locator name ## _rtti = { \
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0, \
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off, \
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0, \
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&name ## _type_info, \
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&name ## _hierarchy \
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}
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#define DEFINE_CXX_DATA(type, base_no, cl1, cl2, dtor) \
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\
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static const cxx_type_info type ## _cxx_type_info = { \
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0, \
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& type ##_type_info, \
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{ 0, -1, 0 }, \
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sizeof(type), \
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(cxx_copy_ctor)THISCALL(MSVCP_ ## type ##_copy_ctor) \
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}; \
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\
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static const cxx_type_info_table type ## _cxx_type_table = { \
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base_no+1, \
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{ \
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& type ## _cxx_type_info, \
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cl1, \
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cl2 \
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} \
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}; \
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\
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static const cxx_exception_type type ## _cxx_type = { \
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0, \
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(cxx_copy_ctor)THISCALL(dtor), \
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NULL, \
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& type ## _cxx_type_table \
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};
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#else
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#define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
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static const type_info name ## _type_info = { \
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&MSVCP_type_info_vtable, \
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NULL, \
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mangled_name \
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}; \
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\
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static rtti_base_descriptor name ## _rtti_base_descriptor = { \
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0xdeadbeef, \
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base_classes_no, \
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{ 0, -1, 0}, \
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64 \
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}; \
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\
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static rtti_base_array name ## _rtti_base_array = { \
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{ \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef, \
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} \
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}; \
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\
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static rtti_object_hierarchy name ## _hierarchy = { \
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0, \
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0, \
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base_classes_no+1, \
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0xdeadbeef \
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}; \
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\
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rtti_object_locator name ## _rtti = { \
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1, \
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off, \
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0, \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef \
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};\
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\
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static void init_ ## name ## _rtti(char *base) \
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{ \
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name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \
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name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \
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name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \
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name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \
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name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \
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name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \
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name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \
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name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \
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name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \
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name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \
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name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \
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name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \
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name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \
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name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \
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name ## _rtti.object_locator = (char*)&name ## _rtti - base; \
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}
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#define DEFINE_CXX_DATA(type, base_no, cl1, cl2, dtor) \
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\
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static cxx_type_info type ## _cxx_type_info = { \
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0, \
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0xdeadbeef, \
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{ 0, -1, 0 }, \
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sizeof(type), \
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0xdeadbeef \
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}; \
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\
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static cxx_type_info_table type ## _cxx_type_table = { \
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base_no+1, \
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{ \
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0xdeadbeef, \
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0xdeadbeef, \
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0xdeadbeef \
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} \
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}; \
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\
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static cxx_exception_type type ##_cxx_type = { \
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0, \
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0xdeadbeef, \
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0, \
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0xdeadbeef \
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}; \
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\
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static void init_ ## type ## _cxx(char *base) \
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{ \
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type ## _cxx_type_info.type_info = (char *)&type ## _type_info - base; \
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type ## _cxx_type_info.copy_ctor = (char *)MSVCP_ ## type ## _copy_ctor - base; \
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type ## _cxx_type_table.info[0] = (char *)&type ## _cxx_type_info - base; \
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type ## _cxx_type_table.info[1] = (char *)cl1 - base; \
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type ## _cxx_type_table.info[2] = (char *)cl2 - base; \
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type ## _cxx_type.destructor = (char *)dtor - base; \
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type ## _cxx_type.type_info_table = (char *)&type ## _cxx_type_table - base; \
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}
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#endif
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#define DEFINE_RTTI_DATA0(name, off, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
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#define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
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#define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
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#define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
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#define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
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#define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
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#define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
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DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
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#define DEFINE_CXX_DATA0(name, dtor) \
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DEFINE_CXX_DATA(name, 0, NULL, NULL, dtor)
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#define DEFINE_CXX_DATA1(name, cl1, dtor) \
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DEFINE_CXX_DATA(name, 1, cl1, NULL, dtor)
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#define DEFINE_CXX_DATA2(name, cl1, cl2, dtor) \
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DEFINE_CXX_DATA(name, 2, cl1, cl2, dtor)
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#ifdef __i386__
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#define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
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extern void *vtbl_wrapper_0;
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extern void *vtbl_wrapper_4;
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extern void *vtbl_wrapper_8;
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extern void *vtbl_wrapper_12;
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extern void *vtbl_wrapper_16;
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extern void *vtbl_wrapper_20;
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extern void *vtbl_wrapper_24;
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extern void *vtbl_wrapper_28;
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extern void *vtbl_wrapper_32;
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extern void *vtbl_wrapper_36;
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extern void *vtbl_wrapper_40;
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extern void *vtbl_wrapper_44;
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extern void *vtbl_wrapper_48;
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#else
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#define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__cdecl***)type)this)[0][off/4]args
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#endif
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/* exception object */
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typedef void (*vtable_ptr)(void);
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typedef struct __exception
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{
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const vtable_ptr *vtable;
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char *name; /* Name of this exception, always a new copy for each object */
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int do_free; /* Whether to free 'name' in our dtor */
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} exception;
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/* Internal: throws selected exception */
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typedef enum __exception_type {
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EXCEPTION_RERAISE,
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EXCEPTION,
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EXCEPTION_BAD_ALLOC,
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EXCEPTION_LOGIC_ERROR,
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EXCEPTION_LENGTH_ERROR,
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EXCEPTION_OUT_OF_RANGE,
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EXCEPTION_INVALID_ARGUMENT,
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EXCEPTION_RUNTIME_ERROR,
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EXCEPTION_FAILURE,
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} exception_type;
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void throw_exception(exception_type, const char *);
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/* rtti */
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typedef struct __type_info
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{
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const vtable_ptr *vtable;
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char *name; /* Unmangled name, allocated lazily */
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char mangled[128]; /* Variable length, but we declare it large enough for static RTTI */
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} type_info;
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extern const vtable_ptr MSVCP_type_info_vtable;
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/* offsets for computing the this pointer */
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typedef struct
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{
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int this_offset; /* offset of base class this pointer from start of object */
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int vbase_descr; /* offset of virtual base class descriptor */
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int vbase_offset; /* offset of this pointer offset in virtual base class descriptor */
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} this_ptr_offsets;
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/* dlls/msvcrt/cppexcept.h */
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typedef void (*cxx_copy_ctor)(void);
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#ifndef __x86_64__
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typedef struct _rtti_base_descriptor
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{
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const type_info *type_descriptor;
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int num_base_classes;
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this_ptr_offsets offsets; /* offsets for computing the this pointer */
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unsigned int attributes;
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} rtti_base_descriptor;
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typedef struct _rtti_base_array
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{
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const rtti_base_descriptor *bases[10]; /* First element is the class itself */
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} rtti_base_array;
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typedef struct _rtti_object_hierarchy
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{
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unsigned int signature;
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unsigned int attributes;
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int array_len; /* Size of the array pointed to by 'base_classes' */
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const rtti_base_array *base_classes;
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} rtti_object_hierarchy;
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typedef struct _rtti_object_locator
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{
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unsigned int signature;
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int base_class_offset;
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unsigned int flags;
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const type_info *type_descriptor;
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const rtti_object_hierarchy *type_hierarchy;
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} rtti_object_locator;
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typedef struct
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{
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UINT flags;
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const type_info *type_info;
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this_ptr_offsets offsets;
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unsigned int size;
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cxx_copy_ctor copy_ctor;
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} cxx_type_info;
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typedef struct
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{
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UINT count;
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const cxx_type_info *info[3];
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} cxx_type_info_table;
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typedef struct
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{
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UINT flags;
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void (*destructor)(void);
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void* /*cxx_exc_custom_handler*/ custom_handler;
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const cxx_type_info_table *type_info_table;
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} cxx_exception_type;
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#else
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typedef struct
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{
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unsigned int type_descriptor;
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int num_base_classes;
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this_ptr_offsets offsets; /* offsets for computing the this pointer */
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unsigned int attributes;
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} rtti_base_descriptor;
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typedef struct
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{
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unsigned int bases[10]; /* First element is the class itself */
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} rtti_base_array;
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typedef struct
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{
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unsigned int signature;
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unsigned int attributes;
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int array_len; /* Size of the array pointed to by 'base_classes' */
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unsigned int base_classes;
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} rtti_object_hierarchy;
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typedef struct
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{
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unsigned int signature;
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int base_class_offset;
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unsigned int flags;
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unsigned int type_descriptor;
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unsigned int type_hierarchy;
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unsigned int object_locator;
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} rtti_object_locator;
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typedef struct
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{
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UINT flags;
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unsigned int type_info;
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this_ptr_offsets offsets;
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unsigned int size;
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unsigned int copy_ctor;
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} cxx_type_info;
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typedef struct
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{
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UINT count;
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unsigned int info[3];
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} cxx_type_info_table;
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typedef struct
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{
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UINT flags;
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unsigned int destructor;
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unsigned int custom_handler;
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unsigned int type_info_table;
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} cxx_exception_type;
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#endif
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