From: Torge Matthies tmatthies@codeweavers.com
Signed-off-by: Torge Matthies tmatthies@codeweavers.com --- dlls/msvcr100/Makefile.in | 1 + dlls/msvcr110/Makefile.in | 1 + dlls/msvcr120/Makefile.in | 1 + dlls/msvcrt/cpp.c | 357 ++---------------------------------- dlls/msvcrt/cxx.h | 8 + dlls/msvcrt/exception_ptr.c | 346 ++++++++++++++++++++++++++++++++++ 6 files changed, 373 insertions(+), 341 deletions(-) create mode 100644 dlls/msvcrt/exception_ptr.c
diff --git a/dlls/msvcr100/Makefile.in b/dlls/msvcr100/Makefile.in index a48ae314257..d17aa79b3d7 100644 --- a/dlls/msvcr100/Makefile.in +++ b/dlls/msvcr100/Makefile.in @@ -19,6 +19,7 @@ C_SRCS = \ except_arm64.c \ except_i386.c \ except_x86_64.c \ + exception_ptr.c \ exit.c \ file.c \ heap.c \ diff --git a/dlls/msvcr110/Makefile.in b/dlls/msvcr110/Makefile.in index 26db1d46f7a..0bc15e27d94 100644 --- a/dlls/msvcr110/Makefile.in +++ b/dlls/msvcr110/Makefile.in @@ -19,6 +19,7 @@ C_SRCS = \ except_arm64.c \ except_i386.c \ except_x86_64.c \ + exception_ptr.c \ exit.c \ file.c \ heap.c \ diff --git a/dlls/msvcr120/Makefile.in b/dlls/msvcr120/Makefile.in index d2957c2f1d3..cc3d5b2bdff 100644 --- a/dlls/msvcr120/Makefile.in +++ b/dlls/msvcr120/Makefile.in @@ -19,6 +19,7 @@ C_SRCS = \ except_arm64.c \ except_i386.c \ except_x86_64.c \ + exception_ptr.c \ exit.c \ file.c \ heap.c \ diff --git a/dlls/msvcrt/cpp.c b/dlls/msvcrt/cpp.c index f3200e046cb..4c46b3d4e86 100644 --- a/dlls/msvcrt/cpp.c +++ b/dlls/msvcrt/cpp.c @@ -583,7 +583,9 @@ DEFINE_RTTI_DATA1( bad_cast, 0, &exception_rtti_base_descriptor, ".?AVbad_cast@@ DEFINE_RTTI_DATA2( __non_rtti_object, 0, &bad_typeid_rtti_base_descriptor, &exception_rtti_base_descriptor, ".?AV__non_rtti_object@@" ) #endif
+#if _MSVCR_VER >= 100 DEFINE_CXX_EXCEPTION0( exception, exception_dtor ) +#endif DEFINE_CXX_DATA1( bad_typeid, &exception_cxx_type_info, bad_typeid_dtor ) DEFINE_CXX_DATA1( bad_cast, &exception_cxx_type_info, bad_cast_dtor ) DEFINE_CXX_DATA2( __non_rtti_object, &bad_typeid_cxx_type_info, @@ -605,7 +607,11 @@ void msvcrt_init_exception(void *base) init_bad_cast_rtti(base); init___non_rtti_object_rtti(base);
+#if _MSVCR_VER >= 100 init_exception_cxx(base); +#else + init_exception_cxx_type_info(base); +#endif init_bad_typeid_cxx(base); init_bad_cast_cxx(base); init___non_rtti_object_cxx(base); @@ -624,6 +630,15 @@ void throw_bad_alloc(void) } #endif
+#if _MSVCR_VER >= 100 +void throw_exception(const char* msg) +{ + exception e; + __exception_ctor(&e, msg, &exception_vtable); + _CxxThrowException(&e, &exception_exception_type); +} +#endif + /****************************************************************** * ?set_terminate@@YAP6AXXZP6AXXZ@Z (MSVCRT.@) * @@ -1128,351 +1143,11 @@ const char * __thiscall type_info_name_internal_method(type_info * _this, struct return type_info_name(_this); }
-#endif /* _MSVCR_VER >= 80 */ - -/* std::exception_ptr class helpers */ -typedef struct -{ - EXCEPTION_RECORD *rec; - LONG *ref; /* not binary compatible with native msvcr100 */ -} exception_ptr; - -#if _MSVCR_VER >= 100 - -/********************************************************************* - * ?__ExceptionPtrCreate@@YAXPAX@Z - * ?__ExceptionPtrCreate@@YAXPEAX@Z - */ -void __cdecl __ExceptionPtrCreate(exception_ptr *ep) -{ - TRACE("(%p)\n", ep); - - ep->rec = NULL; - ep->ref = NULL; -} - -#ifdef __ASM_USE_THISCALL_WRAPPER -extern void call_dtor(const cxx_exception_type *type, void *func, void *object); - -__ASM_GLOBAL_FUNC( call_dtor, - "movl 12(%esp),%ecx\n\t" - "call *8(%esp)\n\t" - "ret" ); -#elif __x86_64__ -static inline void call_dtor(const cxx_exception_type *type, unsigned int dtor, void *object) -{ - char *base = RtlPcToFileHeader((void*)type, (void**)&base); - void (__cdecl *func)(void*) = (void*)(base + dtor); - func(object); -} -#else -#define call_dtor(type, func, object) ((void (__thiscall*)(void*))(func))(object) -#endif - -/********************************************************************* - * ?__ExceptionPtrDestroy@@YAXPAX@Z - * ?__ExceptionPtrDestroy@@YAXPEAX@Z - */ -void __cdecl __ExceptionPtrDestroy(exception_ptr *ep) -{ - TRACE("(%p)\n", ep); - - if (!ep->rec) - return; - - if (!InterlockedDecrement(ep->ref)) - { - if (ep->rec->ExceptionCode == CXX_EXCEPTION) - { - const cxx_exception_type *type = (void*)ep->rec->ExceptionInformation[2]; - void *obj = (void*)ep->rec->ExceptionInformation[1]; - - if (type && type->destructor) call_dtor(type, type->destructor, obj); - HeapFree(GetProcessHeap(), 0, obj); - } - - HeapFree(GetProcessHeap(), 0, ep->rec); - HeapFree(GetProcessHeap(), 0, ep->ref); - } -} - -/********************************************************************* - * ?__ExceptionPtrCopy@@YAXPAXPBX@Z - * ?__ExceptionPtrCopy@@YAXPEAXPEBX@Z - */ -void __cdecl __ExceptionPtrCopy(exception_ptr *ep, const exception_ptr *copy) -{ - TRACE("(%p %p)\n", ep, copy); - - /* don't destroy object stored in ep */ - *ep = *copy; - if (ep->ref) - InterlockedIncrement(copy->ref); -} - -/********************************************************************* - * ?__ExceptionPtrAssign@@YAXPAXPBX@Z - * ?__ExceptionPtrAssign@@YAXPEAXPEBX@Z - */ -void __cdecl __ExceptionPtrAssign(exception_ptr *ep, const exception_ptr *assign) -{ - TRACE("(%p %p)\n", ep, assign); - - /* don't destroy object stored in ep */ - if (ep->ref) - InterlockedDecrement(ep->ref); - - *ep = *assign; - if (ep->ref) - InterlockedIncrement(ep->ref); -} - -#endif /* _MSVCR_VER >= 100 */ - -/********************************************************************* - * ?__ExceptionPtrRethrow@@YAXPBX@Z - * ?__ExceptionPtrRethrow@@YAXPEBX@Z - */ -void __cdecl __ExceptionPtrRethrow(const exception_ptr *ep) -{ - TRACE("(%p)\n", ep); - - if (!ep->rec) - { - static const char *exception_msg = "bad exception"; - exception e; - - exception_ctor(&e, &exception_msg); - _CxxThrowException(&e, &exception_exception_type); - return; - } - - RaiseException(ep->rec->ExceptionCode, ep->rec->ExceptionFlags & (~EH_UNWINDING), - ep->rec->NumberParameters, ep->rec->ExceptionInformation); -} - -#if _MSVCR_VER >= 100 - -#ifdef __i386__ -extern void call_copy_ctor( void *func, void *this, void *src, int has_vbase ); -#else -static inline void call_copy_ctor( void *func, void *this, void *src, int has_vbase ) -{ - TRACE( "calling copy ctor %p object %p src %p\n", func, this, src ); - if (has_vbase) - ((void (__cdecl*)(void*, void*, BOOL))func)(this, src, 1); - else - ((void (__cdecl*)(void*, void*))func)(this, src); -} -#endif - -/********************************************************************* - * ?__ExceptionPtrCurrentException@@YAXPAX@Z - * ?__ExceptionPtrCurrentException@@YAXPEAX@Z - */ -#ifndef __x86_64__ -void __cdecl __ExceptionPtrCurrentException(exception_ptr *ep) -{ - EXCEPTION_RECORD *rec = msvcrt_get_thread_data()->exc_record; - - TRACE("(%p)\n", ep); - - if (!rec) - { - ep->rec = NULL; - ep->ref = NULL; - return; - } - - ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); - ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); - - *ep->rec = *rec; - *ep->ref = 1; - - if (ep->rec->ExceptionCode == CXX_EXCEPTION) - { - const cxx_exception_type *et = (void*)ep->rec->ExceptionInformation[2]; - const cxx_type_info *ti; - void **data, *obj; - - ti = et->type_info_table->info[0]; - data = HeapAlloc(GetProcessHeap(), 0, ti->size); - - obj = (void*)ep->rec->ExceptionInformation[1]; - if (ti->flags & CLASS_IS_SIMPLE_TYPE) - { - memcpy(data, obj, ti->size); - if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); - } - else if (ti->copy_ctor) - { - call_copy_ctor(ti->copy_ctor, data, get_this_pointer(&ti->offsets, obj), - ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); - } - else - memcpy(data, get_this_pointer(&ti->offsets, obj), ti->size); - ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; - } - return; -} -#else -void __cdecl __ExceptionPtrCurrentException(exception_ptr *ep) -{ - EXCEPTION_RECORD *rec = msvcrt_get_thread_data()->exc_record; - - TRACE("(%p)\n", ep); - - if (!rec) - { - ep->rec = NULL; - ep->ref = NULL; - return; - } - - ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); - ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); - - *ep->rec = *rec; - *ep->ref = 1; - - if (ep->rec->ExceptionCode == CXX_EXCEPTION) - { - const cxx_exception_type *et = (void*)ep->rec->ExceptionInformation[2]; - const cxx_type_info *ti; - void **data, *obj; - char *base = RtlPcToFileHeader((void*)et, (void**)&base); - - ti = (const cxx_type_info*)(base + ((const cxx_type_info_table*)(base + et->type_info_table))->info[0]); - data = HeapAlloc(GetProcessHeap(), 0, ti->size); - - obj = (void*)ep->rec->ExceptionInformation[1]; - if (ti->flags & CLASS_IS_SIMPLE_TYPE) - { - memcpy(data, obj, ti->size); - if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); - } - else if (ti->copy_ctor) - { - call_copy_ctor(base + ti->copy_ctor, data, get_this_pointer(&ti->offsets, obj), - ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); - } - else - memcpy(data, get_this_pointer(&ti->offsets, obj), ti->size); - ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; - } - return; -} -#endif - -#endif /* _MSVCR_VER >= 100 */ - -#if _MSVCR_VER >= 110 -/********************************************************************* - * ?__ExceptionPtrToBool@@YA_NPBX@Z - * ?__ExceptionPtrToBool@@YA_NPEBX@Z - */ -bool __cdecl __ExceptionPtrToBool(exception_ptr *ep) -{ - return !!ep->rec; -} -#endif - -#if _MSVCR_VER >= 100 - -/********************************************************************* - * ?__ExceptionPtrCopyException@@YAXPAXPBX1@Z - * ?__ExceptionPtrCopyException@@YAXPEAXPEBX1@Z - */ -#ifndef __x86_64__ -void __cdecl __ExceptionPtrCopyException(exception_ptr *ep, - exception *object, const cxx_exception_type *type) -{ - const cxx_type_info *ti; - void **data; - - __ExceptionPtrDestroy(ep); - - ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); - ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); - *ep->ref = 1; - - memset(ep->rec, 0, sizeof(EXCEPTION_RECORD)); - ep->rec->ExceptionCode = CXX_EXCEPTION; - ep->rec->ExceptionFlags = EH_NONCONTINUABLE; - ep->rec->NumberParameters = 3; - ep->rec->ExceptionInformation[0] = CXX_FRAME_MAGIC_VC6; - ep->rec->ExceptionInformation[2] = (ULONG_PTR)type; - - ti = type->type_info_table->info[0]; - data = HeapAlloc(GetProcessHeap(), 0, ti->size); - if (ti->flags & CLASS_IS_SIMPLE_TYPE) - { - memcpy(data, object, ti->size); - if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); - } - else if (ti->copy_ctor) - { - call_copy_ctor(ti->copy_ctor, data, get_this_pointer(&ti->offsets, object), - ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); - } - else - memcpy(data, get_this_pointer(&ti->offsets, object), ti->size); - ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; -} -#else -void __cdecl __ExceptionPtrCopyException(exception_ptr *ep, - exception *object, const cxx_exception_type *type) -{ - const cxx_type_info *ti; - void **data; - char *base; - - RtlPcToFileHeader((void*)type, (void**)&base); - __ExceptionPtrDestroy(ep); - - ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); - ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); - *ep->ref = 1; - - memset(ep->rec, 0, sizeof(EXCEPTION_RECORD)); - ep->rec->ExceptionCode = CXX_EXCEPTION; - ep->rec->ExceptionFlags = EH_NONCONTINUABLE; - ep->rec->NumberParameters = 4; - ep->rec->ExceptionInformation[0] = CXX_FRAME_MAGIC_VC6; - ep->rec->ExceptionInformation[2] = (ULONG_PTR)type; - ep->rec->ExceptionInformation[3] = (ULONG_PTR)base; - - ti = (const cxx_type_info*)(base + ((const cxx_type_info_table*)(base + type->type_info_table))->info[0]); - data = HeapAlloc(GetProcessHeap(), 0, ti->size); - if (ti->flags & CLASS_IS_SIMPLE_TYPE) - { - memcpy(data, object, ti->size); - if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); - } - else if (ti->copy_ctor) - { - call_copy_ctor(base + ti->copy_ctor, data, get_this_pointer(&ti->offsets, object), - ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); - } - else - memcpy(data, get_this_pointer(&ti->offsets, object), ti->size); - ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; -} -#endif - -bool __cdecl __ExceptionPtrCompare(const exception_ptr *ep1, const exception_ptr *ep2) -{ - return ep1->rec == ep2->rec; -} - -#endif /* _MSVCR_VER >= 100 */ - -#if _MSVCR_VER >= 80 void* __cdecl __AdjustPointer(void *obj, const this_ptr_offsets *off) { return get_this_pointer(off, obj); } + #endif
#if _MSVCR_VER >= 140 diff --git a/dlls/msvcrt/cxx.h b/dlls/msvcrt/cxx.h index cacbb1524b6..4051229c626 100644 --- a/dlls/msvcrt/cxx.h +++ b/dlls/msvcrt/cxx.h @@ -308,3 +308,11 @@ __ASM_BLOCK_BEGIN(type_info_vtables) \ __ASM_VTABLE(type_info, \ VTABLE_ADD_FUNC(type_info_vector_dtor)); \ __ASM_BLOCK_END + +typedef struct +{ + EXCEPTION_RECORD *rec; + LONG *ref; /* not binary compatible with native msvcr100 */ +} exception_ptr; + +void throw_exception(const char*) DECLSPEC_HIDDEN; diff --git a/dlls/msvcrt/exception_ptr.c b/dlls/msvcrt/exception_ptr.c new file mode 100644 index 00000000000..1d5114ed7df --- /dev/null +++ b/dlls/msvcrt/exception_ptr.c @@ -0,0 +1,346 @@ +/* + * std::exception_ptr helper functions + * + * Copyright 2022 Torge Matthies 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 + */ + +#include <stdarg.h> +#include <stdbool.h> + +#include "windef.h" +#include "winternl.h" +#include "wine/exception.h" +#include "wine/debug.h" +#include "msvcrt.h" +#include "cxx.h" + +WINE_DEFAULT_DEBUG_CHANNEL(msvcrt); + +/********************************************************************* + * ?__ExceptionPtrCreate@@YAXPAX@Z + * ?__ExceptionPtrCreate@@YAXPEAX@Z + */ +void __cdecl __ExceptionPtrCreate(exception_ptr *ep) +{ + TRACE("(%p)\n", ep); + + ep->rec = NULL; + ep->ref = NULL; +} + +#ifdef __ASM_USE_THISCALL_WRAPPER +extern void call_dtor(const cxx_exception_type *type, void *func, void *object); + +__ASM_GLOBAL_FUNC( call_dtor, + "movl 12(%esp),%ecx\n\t" + "call *8(%esp)\n\t" + "ret" ); +#elif __x86_64__ +static inline void call_dtor(const cxx_exception_type *type, unsigned int dtor, void *object) +{ + char *base = RtlPcToFileHeader((void*)type, (void**)&base); + void (__cdecl *func)(void*) = (void*)(base + dtor); + func(object); +} +#else +#define call_dtor(type, func, object) ((void (__thiscall*)(void*))(func))(object) +#endif + +/********************************************************************* + * ?__ExceptionPtrDestroy@@YAXPAX@Z + * ?__ExceptionPtrDestroy@@YAXPEAX@Z + */ +void __cdecl __ExceptionPtrDestroy(exception_ptr *ep) +{ + TRACE("(%p)\n", ep); + + if (!ep->rec) + return; + + if (!InterlockedDecrement(ep->ref)) + { + if (ep->rec->ExceptionCode == CXX_EXCEPTION) + { + const cxx_exception_type *type = (void*)ep->rec->ExceptionInformation[2]; + void *obj = (void*)ep->rec->ExceptionInformation[1]; + + if (type && type->destructor) call_dtor(type, type->destructor, obj); + HeapFree(GetProcessHeap(), 0, obj); + } + + HeapFree(GetProcessHeap(), 0, ep->rec); + HeapFree(GetProcessHeap(), 0, ep->ref); + } +} + +/********************************************************************* + * ?__ExceptionPtrCopy@@YAXPAXPBX@Z + * ?__ExceptionPtrCopy@@YAXPEAXPEBX@Z + */ +void __cdecl __ExceptionPtrCopy(exception_ptr *ep, const exception_ptr *copy) +{ + TRACE("(%p %p)\n", ep, copy); + + /* don't destroy object stored in ep */ + *ep = *copy; + if (ep->ref) + InterlockedIncrement(copy->ref); +} + +/********************************************************************* + * ?__ExceptionPtrAssign@@YAXPAXPBX@Z + * ?__ExceptionPtrAssign@@YAXPEAXPEBX@Z + */ +void __cdecl __ExceptionPtrAssign(exception_ptr *ep, const exception_ptr *assign) +{ + TRACE("(%p %p)\n", ep, assign); + + /* don't destroy object stored in ep */ + if (ep->ref) + InterlockedDecrement(ep->ref); + + *ep = *assign; + if (ep->ref) + InterlockedIncrement(ep->ref); +} + +/********************************************************************* + * ?__ExceptionPtrRethrow@@YAXPBX@Z + * ?__ExceptionPtrRethrow@@YAXPEBX@Z + */ +void __cdecl __ExceptionPtrRethrow(const exception_ptr *ep) +{ + TRACE("(%p)\n", ep); + + if (!ep->rec) + { + throw_exception("bad exception"); + return; + } + + RaiseException(ep->rec->ExceptionCode, ep->rec->ExceptionFlags & (~EH_UNWINDING), + ep->rec->NumberParameters, ep->rec->ExceptionInformation); +} + +#ifdef __i386__ +extern void call_copy_ctor( void *func, void *this, void *src, int has_vbase ); +#else +static inline void call_copy_ctor( void *func, void *this, void *src, int has_vbase ) +{ + TRACE( "calling copy ctor %p object %p src %p\n", func, this, src ); + if (has_vbase) + ((void (__cdecl*)(void*, void*, BOOL))func)(this, src, 1); + else + ((void (__cdecl*)(void*, void*))func)(this, src); +} +#endif + +/********************************************************************* + * ?__ExceptionPtrCurrentException@@YAXPAX@Z + * ?__ExceptionPtrCurrentException@@YAXPEAX@Z + */ +#ifndef __x86_64__ +void __cdecl __ExceptionPtrCurrentException(exception_ptr *ep) +{ + EXCEPTION_RECORD *rec = msvcrt_get_thread_data()->exc_record; + + TRACE("(%p)\n", ep); + + if (!rec) + { + ep->rec = NULL; + ep->ref = NULL; + return; + } + + ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); + ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); + + *ep->rec = *rec; + *ep->ref = 1; + + if (ep->rec->ExceptionCode == CXX_EXCEPTION) + { + const cxx_exception_type *et = (void*)ep->rec->ExceptionInformation[2]; + const cxx_type_info *ti; + void **data, *obj; + + ti = et->type_info_table->info[0]; + data = HeapAlloc(GetProcessHeap(), 0, ti->size); + + obj = (void*)ep->rec->ExceptionInformation[1]; + if (ti->flags & CLASS_IS_SIMPLE_TYPE) + { + memcpy(data, obj, ti->size); + if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); + } + else if (ti->copy_ctor) + { + call_copy_ctor(ti->copy_ctor, data, get_this_pointer(&ti->offsets, obj), + ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); + } + else + memcpy(data, get_this_pointer(&ti->offsets, obj), ti->size); + ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; + } + return; +} +#else +void __cdecl __ExceptionPtrCurrentException(exception_ptr *ep) +{ + EXCEPTION_RECORD *rec = msvcrt_get_thread_data()->exc_record; + + TRACE("(%p)\n", ep); + + if (!rec) + { + ep->rec = NULL; + ep->ref = NULL; + return; + } + + ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); + ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); + + *ep->rec = *rec; + *ep->ref = 1; + + if (ep->rec->ExceptionCode == CXX_EXCEPTION) + { + const cxx_exception_type *et = (void*)ep->rec->ExceptionInformation[2]; + const cxx_type_info *ti; + void **data, *obj; + char *base = RtlPcToFileHeader((void*)et, (void**)&base); + + ti = (const cxx_type_info*)(base + ((const cxx_type_info_table*)(base + et->type_info_table))->info[0]); + data = HeapAlloc(GetProcessHeap(), 0, ti->size); + + obj = (void*)ep->rec->ExceptionInformation[1]; + if (ti->flags & CLASS_IS_SIMPLE_TYPE) + { + memcpy(data, obj, ti->size); + if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); + } + else if (ti->copy_ctor) + { + call_copy_ctor(base + ti->copy_ctor, data, get_this_pointer(&ti->offsets, obj), + ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); + } + else + memcpy(data, get_this_pointer(&ti->offsets, obj), ti->size); + ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; + } + return; +} +#endif + +#if _MSVCR_VER >= 110 +/********************************************************************* + * ?__ExceptionPtrToBool@@YA_NPBX@Z + * ?__ExceptionPtrToBool@@YA_NPEBX@Z + */ +bool __cdecl __ExceptionPtrToBool(exception_ptr *ep) +{ + return !!ep->rec; +} +#endif + +/********************************************************************* + * ?__ExceptionPtrCopyException@@YAXPAXPBX1@Z + * ?__ExceptionPtrCopyException@@YAXPEAXPEBX1@Z + */ +#ifndef __x86_64__ +void __cdecl __ExceptionPtrCopyException(exception_ptr *ep, + exception *object, const cxx_exception_type *type) +{ + const cxx_type_info *ti; + void **data; + + __ExceptionPtrDestroy(ep); + + ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); + ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); + *ep->ref = 1; + + memset(ep->rec, 0, sizeof(EXCEPTION_RECORD)); + ep->rec->ExceptionCode = CXX_EXCEPTION; + ep->rec->ExceptionFlags = EH_NONCONTINUABLE; + ep->rec->NumberParameters = 3; + ep->rec->ExceptionInformation[0] = CXX_FRAME_MAGIC_VC6; + ep->rec->ExceptionInformation[2] = (ULONG_PTR)type; + + ti = type->type_info_table->info[0]; + data = HeapAlloc(GetProcessHeap(), 0, ti->size); + if (ti->flags & CLASS_IS_SIMPLE_TYPE) + { + memcpy(data, object, ti->size); + if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); + } + else if (ti->copy_ctor) + { + call_copy_ctor(ti->copy_ctor, data, get_this_pointer(&ti->offsets, object), + ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); + } + else + memcpy(data, get_this_pointer(&ti->offsets, object), ti->size); + ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; +} +#else +void __cdecl __ExceptionPtrCopyException(exception_ptr *ep, + exception *object, const cxx_exception_type *type) +{ + const cxx_type_info *ti; + void **data; + char *base; + + RtlPcToFileHeader((void*)type, (void**)&base); + __ExceptionPtrDestroy(ep); + + ep->rec = HeapAlloc(GetProcessHeap(), 0, sizeof(EXCEPTION_RECORD)); + ep->ref = HeapAlloc(GetProcessHeap(), 0, sizeof(int)); + *ep->ref = 1; + + memset(ep->rec, 0, sizeof(EXCEPTION_RECORD)); + ep->rec->ExceptionCode = CXX_EXCEPTION; + ep->rec->ExceptionFlags = EH_NONCONTINUABLE; + ep->rec->NumberParameters = 4; + ep->rec->ExceptionInformation[0] = CXX_FRAME_MAGIC_VC6; + ep->rec->ExceptionInformation[2] = (ULONG_PTR)type; + ep->rec->ExceptionInformation[3] = (ULONG_PTR)base; + + ti = (const cxx_type_info*)(base + ((const cxx_type_info_table*)(base + type->type_info_table))->info[0]); + data = HeapAlloc(GetProcessHeap(), 0, ti->size); + if (ti->flags & CLASS_IS_SIMPLE_TYPE) + { + memcpy(data, object, ti->size); + if (ti->size == sizeof(void *)) *data = get_this_pointer(&ti->offsets, *data); + } + else if (ti->copy_ctor) + { + call_copy_ctor(base + ti->copy_ctor, data, get_this_pointer(&ti->offsets, object), + ti->flags & CLASS_HAS_VIRTUAL_BASE_CLASS); + } + else + memcpy(data, get_this_pointer(&ti->offsets, object), ti->size); + ep->rec->ExceptionInformation[1] = (ULONG_PTR)data; +} +#endif + +bool __cdecl __ExceptionPtrCompare(const exception_ptr *ep1, const exception_ptr *ep2) +{ + return ep1->rec == ep2->rec; +}