/* * Copyright 2012 Piotr Caban for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef __WINE_CXX_H #define __WINE_CXX_H #include "wine/asm.h" #ifdef _WIN64 #define VTABLE_ADD_FUNC(name) "\t.quad " THISCALL_NAME(name) "\n" #define __ASM_VTABLE(name,funcs) \ __asm__(".data\n" \ "\t.balign 8\n" \ "\t.quad " __ASM_NAME(#name "_rtti") "\n" \ "\t.globl " __ASM_NAME(#name "_vtable") "\n" \ __ASM_NAME(#name "_vtable") ":\n" \ funcs "\n\t.text") #else #define VTABLE_ADD_FUNC(name) "\t.long " THISCALL_NAME(name) "\n" #define __ASM_VTABLE(name,funcs) \ __asm__(".data\n" \ "\t.balign 4\n" \ "\t.long " __ASM_NAME(#name "_rtti") "\n" \ "\t.globl " __ASM_NAME(#name "_vtable") "\n" \ __ASM_NAME(#name "_vtable") ":\n" \ funcs "\n\t.text") #endif /* _WIN64 */ #ifndef __x86_64__ #define DEFINE_RTTI_BASE(name, base_classes_no, mangled_name) \ static type_info name ## _type_info = { \ &type_info_vtable, \ NULL, \ mangled_name \ }; \ \ static const rtti_base_descriptor name ## _rtti_base_descriptor = { \ &name ##_type_info, \ base_classes_no, \ { 0, -1, 0}, \ 64 \ }; #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \ DEFINE_RTTI_BASE(name, base_classes_no, mangled_name) \ \ static const rtti_base_array name ## _rtti_base_array = { \ { \ &name ## _rtti_base_descriptor, \ cl1, \ cl2, \ cl3, \ cl4, \ cl5, \ cl6, \ cl7, \ cl8, \ cl9, \ } \ }; \ \ static const rtti_object_hierarchy name ## _hierarchy = { \ 0, \ 0, \ base_classes_no+1, \ &name ## _rtti_base_array \ }; \ \ const rtti_object_locator name ## _rtti = { \ 0, \ off, \ 0, \ &name ## _type_info, \ &name ## _hierarchy \ }; #define DEFINE_CXX_TYPE_INFO(type) \ static const cxx_type_info type ## _cxx_type_info = { \ 0, \ & type ##_type_info, \ { 0, -1, 0 }, \ sizeof(type), \ (cxx_copy_ctor)THISCALL(type ##_copy_ctor) \ }; #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, cl3, cl4, dtor) \ DEFINE_CXX_TYPE_INFO(type) \ \ static const cxx_type_info_table type ## _cxx_type_table = { \ base_no+1, \ { \ & type ## _cxx_type_info, \ cl1, \ cl2, \ cl3, \ cl4 \ } \ }; \ \ static const cxx_exception_type type ## _cxx_type = { \ 0, \ (cxx_copy_ctor)THISCALL(dtor), \ NULL, \ & type ## _cxx_type_table \ }; #else #define __DEFINE_RTTI_BASE(name, base_classes_no, mangled_name) \ static type_info name ## _type_info = { \ &type_info_vtable, \ NULL, \ mangled_name \ }; \ \ static rtti_base_descriptor name ## _rtti_base_descriptor = { \ 0xdeadbeef, \ base_classes_no, \ { 0, -1, 0}, \ 64 \ }; #define DEFINE_RTTI_BASE(name, base_classes_no, mangled_name) \ __DEFINE_RTTI_BASE(name, base_classes_no, mangled_name) \ \ static void init_ ## name ## _rtti(char *base) \ { \ name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \ } #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \ __DEFINE_RTTI_BASE(name, base_classes_no, mangled_name) \ \ static rtti_base_array name ## _rtti_base_array = { \ { \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ } \ }; \ \ static rtti_object_hierarchy name ## _hierarchy = { \ 0, \ 0, \ base_classes_no+1, \ 0xdeadbeef \ }; \ \ rtti_object_locator name ## _rtti = { \ 1, \ off, \ 0, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef \ };\ \ static void init_ ## name ## _rtti(char *base) \ { \ name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \ name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \ name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \ name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \ name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \ name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \ name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \ name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \ name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \ name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \ name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \ name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \ name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \ name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \ name ## _rtti.object_locator = (char*)&name ## _rtti - base; \ } #define DEFINE_CXX_TYPE_INFO(type) \ static cxx_type_info type ## _cxx_type_info = { \ 0, \ 0xdeadbeef, \ { 0, -1, 0 }, \ sizeof(type), \ 0xdeadbeef \ }; \ \ static void init_ ## type ## _cxx_type_info(char *base) \ { \ type ## _cxx_type_info.type_info = (char *)&type ## _type_info - base; \ type ## _cxx_type_info.copy_ctor = (char *)type ## _copy_ctor - base; \ } #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, cl3, cl4, dtor) \ \ DEFINE_CXX_TYPE_INFO(type) \ \ static cxx_type_info_table type ## _cxx_type_table = { \ base_no+1, \ { \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef, \ 0xdeadbeef \ } \ }; \ \ static cxx_exception_type type ##_cxx_type = { \ 0, \ 0xdeadbeef, \ 0, \ 0xdeadbeef \ }; \ \ static void init_ ## type ## _cxx(char *base) \ { \ init_ ## type ## _cxx_type_info(base); \ type ## _cxx_type_table.info[0] = (char *)&type ## _cxx_type_info - base; \ type ## _cxx_type_table.info[1] = (char *)cl1 - base; \ type ## _cxx_type_table.info[2] = (char *)cl2 - base; \ type ## _cxx_type_table.info[3] = (char *)cl3 - base; \ type ## _cxx_type_table.info[4] = (char *)cl4 - base; \ type ## _cxx_type.destructor = (char *)dtor - base; \ type ## _cxx_type.type_info_table = (char *)&type ## _cxx_type_table - base; \ } #endif #define DEFINE_RTTI_DATA0(name, off, mangled_name) \ DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name) #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \ DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name) #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \ DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name) #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \ DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name) #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \ DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name) #define DEFINE_RTTI_DATA5(name, off, cl1, cl2, cl3, cl4, cl5, mangled_name) \ DEFINE_RTTI_DATA(name, off, 5, cl1, cl2, cl3, cl4, cl5, NULL, NULL, NULL, NULL, mangled_name) #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \ DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name) #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \ DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) #define DEFINE_CXX_DATA0(name, dtor) \ DEFINE_CXX_DATA(name, 0, NULL, NULL, NULL, NULL, dtor) #define DEFINE_CXX_DATA1(name, cl1, dtor) \ DEFINE_CXX_DATA(name, 1, cl1, NULL, NULL, NULL, dtor) #define DEFINE_CXX_DATA2(name, cl1, cl2, dtor) \ DEFINE_CXX_DATA(name, 2, cl1, cl2, NULL, NULL, dtor) #define DEFINE_CXX_DATA3(name, cl1, cl2, cl3, dtor) \ DEFINE_CXX_DATA(name, 3, cl1, cl2, cl3, NULL, dtor) #define DEFINE_CXX_DATA4(name, cl1, cl2, cl3, cl4, dtor) \ DEFINE_CXX_DATA(name, 4, cl1, cl2, cl3, cl4, dtor) #ifdef __ASM_USE_THISCALL_WRAPPER #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args extern void *vtbl_wrapper_0; extern void *vtbl_wrapper_4; extern void *vtbl_wrapper_8; extern void *vtbl_wrapper_12; extern void *vtbl_wrapper_16; extern void *vtbl_wrapper_20; extern void *vtbl_wrapper_24; extern void *vtbl_wrapper_28; extern void *vtbl_wrapper_32; extern void *vtbl_wrapper_36; extern void *vtbl_wrapper_40; extern void *vtbl_wrapper_44; extern void *vtbl_wrapper_48; extern void *vtbl_wrapper_52; extern void *vtbl_wrapper_56; #else #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__thiscall***)type)this)[0][off/4]args #endif /* exception object */ typedef void (*vtable_ptr)(void); typedef struct __exception { const vtable_ptr *vtable; char *name; /* Name of this exception, always a new copy for each object */ int do_free; /* Whether to free 'name' in our dtor */ } exception; /* rtti */ typedef struct __type_info { const vtable_ptr *vtable; char *name; /* Unmangled name, allocated lazily */ char mangled[128]; /* Variable length, but we declare it large enough for static RTTI */ } type_info; extern const vtable_ptr type_info_vtable; /* offsets for computing the this pointer */ typedef struct { int this_offset; /* offset of base class this pointer from start of object */ int vbase_descr; /* offset of virtual base class descriptor */ int vbase_offset; /* offset of this pointer offset in virtual base class descriptor */ } this_ptr_offsets; /* dlls/msvcrt/cppexcept.h */ typedef void (*cxx_copy_ctor)(void); #ifndef __x86_64__ typedef struct _rtti_base_descriptor { const type_info *type_descriptor; int num_base_classes; this_ptr_offsets offsets; /* offsets for computing the this pointer */ unsigned int attributes; } rtti_base_descriptor; typedef struct _rtti_base_array { const rtti_base_descriptor *bases[10]; /* First element is the class itself */ } rtti_base_array; typedef struct _rtti_object_hierarchy { unsigned int signature; unsigned int attributes; int array_len; /* Size of the array pointed to by 'base_classes' */ const rtti_base_array *base_classes; } rtti_object_hierarchy; typedef struct _rtti_object_locator { unsigned int signature; int base_class_offset; unsigned int flags; const type_info *type_descriptor; const rtti_object_hierarchy *type_hierarchy; } rtti_object_locator; typedef struct { UINT flags; const type_info *type_info; this_ptr_offsets offsets; unsigned int size; cxx_copy_ctor copy_ctor; } cxx_type_info; typedef struct { UINT count; const cxx_type_info *info[5]; } cxx_type_info_table; typedef struct { UINT flags; void (*destructor)(void); void* /*cxx_exc_custom_handler*/ custom_handler; const cxx_type_info_table *type_info_table; } cxx_exception_type; #else typedef struct { unsigned int type_descriptor; int num_base_classes; this_ptr_offsets offsets; /* offsets for computing the this pointer */ unsigned int attributes; } rtti_base_descriptor; typedef struct { unsigned int bases[10]; /* First element is the class itself */ } rtti_base_array; typedef struct { unsigned int signature; unsigned int attributes; int array_len; /* Size of the array pointed to by 'base_classes' */ unsigned int base_classes; } rtti_object_hierarchy; typedef struct { unsigned int signature; int base_class_offset; unsigned int flags; unsigned int type_descriptor; unsigned int type_hierarchy; unsigned int object_locator; } rtti_object_locator; typedef struct { UINT flags; unsigned int type_info; this_ptr_offsets offsets; unsigned int size; unsigned int copy_ctor; } cxx_type_info; typedef struct { UINT count; unsigned int info[5]; } cxx_type_info_table; typedef struct { UINT flags; unsigned int destructor; unsigned int custom_handler; unsigned int type_info_table; } cxx_exception_type; #endif #define CREATE_TYPE_INFO_VTABLE \ DEFINE_THISCALL_WRAPPER(type_info_vector_dtor,8) \ void * __thiscall type_info_vector_dtor(type_info * _this, unsigned int flags) \ { \ if (flags & 2) \ { \ /* we have an array, with the number of elements stored before the first object */ \ INT_PTR i, *ptr = (INT_PTR *)_this - 1; \ \ for (i = *ptr - 1; i >= 0; i--) free(_this[i].name); \ free(ptr); \ } \ else \ { \ free(_this->name); \ if (flags & 1) free(_this); \ } \ return _this; \ } \ \ DEFINE_RTTI_DATA0( type_info, 0, ".?AVtype_info@@" ) \ \ __ASM_BLOCK_BEGIN(type_info_vtables) \ __ASM_VTABLE(type_info, \ VTABLE_ADD_FUNC(type_info_vector_dtor)); \ __ASM_BLOCK_END #endif