Sweden-Number/dlls/msvcrt/except_arm64.c

172 lines
5.2 KiB
C

/*
* msvcrt C++ exception handling
*
* Copyright 2011 Alexandre Julliard
* Copyright 2013 André Hentschel
* Copyright 2017 Martin Storsjo
*
* 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 "config.h"
#include "wine/port.h"
#ifdef __aarch64__
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "msvcrt.h"
#include "wine/exception.h"
#include "excpt.h"
#include "wine/debug.h"
#include "cppexcept.h"
WINE_DEFAULT_DEBUG_CHANNEL(seh);
struct _DISPATCHER_CONTEXT;
typedef LONG (WINAPI *PC_LANGUAGE_EXCEPTION_HANDLER)( EXCEPTION_POINTERS *ptrs, ULONG64 frame );
typedef EXCEPTION_DISPOSITION (WINAPI *PEXCEPTION_ROUTINE)( EXCEPTION_RECORD *rec,
ULONG64 frame,
CONTEXT *context,
struct _DISPATCHER_CONTEXT *dispatch );
typedef struct _DISPATCHER_CONTEXT
{
DWORD64 ControlPc;
DWORD64 ImageBase;
PRUNTIME_FUNCTION FunctionEntry;
DWORD64 EstablisherFrame;
DWORD64 TargetPc;
PCONTEXT ContextRecord;
PEXCEPTION_ROUTINE LanguageHandler;
PVOID HandlerData;
PUNWIND_HISTORY_TABLE HistoryTable;
DWORD ScopeIndex;
BOOLEAN ControlPcIsUnwound;
PBYTE NonVolatileRegisters;
} DISPATCHER_CONTEXT;
/*********************************************************************
* __CxxExceptionFilter (MSVCRT.@)
*/
int CDECL __CxxExceptionFilter( PEXCEPTION_POINTERS ptrs,
const type_info *ti, int flags, void **copy )
{
FIXME( "%p %p %x %p: not implemented\n", ptrs, ti, flags, copy );
return EXCEPTION_CONTINUE_SEARCH;
}
/*********************************************************************
* __CxxFrameHandler (MSVCRT.@)
*/
EXCEPTION_DISPOSITION CDECL __CxxFrameHandler(EXCEPTION_RECORD *rec, DWORD frame, CONTEXT *context,
DISPATCHER_CONTEXT *dispatch)
{
FIXME("%p %x %p %p: not implemented\n", rec, frame, context, dispatch);
return ExceptionContinueSearch;
}
/*********************************************************************
* __CppXcptFilter (MSVCRT.@)
*/
int CDECL __CppXcptFilter(NTSTATUS ex, PEXCEPTION_POINTERS ptr)
{
/* only filter c++ exceptions */
if (ex != CXX_EXCEPTION) return EXCEPTION_CONTINUE_SEARCH;
return _XcptFilter(ex, ptr);
}
/*********************************************************************
* __CxxDetectRethrow (MSVCRT.@)
*/
BOOL CDECL __CxxDetectRethrow(PEXCEPTION_POINTERS ptrs)
{
PEXCEPTION_RECORD rec;
if (!ptrs)
return FALSE;
rec = ptrs->ExceptionRecord;
if (rec->ExceptionCode == CXX_EXCEPTION &&
rec->NumberParameters == 3 &&
rec->ExceptionInformation[0] == CXX_FRAME_MAGIC_VC6 &&
rec->ExceptionInformation[2])
{
ptrs->ExceptionRecord = msvcrt_get_thread_data()->exc_record;
return TRUE;
}
return (msvcrt_get_thread_data()->exc_record == rec);
}
/*********************************************************************
* __CxxQueryExceptionSize (MSVCRT.@)
*/
unsigned int CDECL __CxxQueryExceptionSize(void)
{
return sizeof(cxx_exception_type);
}
/*******************************************************************
* _setjmp (MSVCRT.@)
*/
__ASM_GLOBAL_FUNC(MSVCRT__setjmp,
"mov x1, #0\n\t" /* frame */
"b " __ASM_NAME("__wine_setjmpex"));
/*******************************************************************
* longjmp (MSVCRT.@)
*/
void __cdecl MSVCRT_longjmp(struct MSVCRT___JUMP_BUFFER *jmp, int retval)
{
EXCEPTION_RECORD rec;
if (!retval) retval = 1;
if (jmp->Frame)
{
rec.ExceptionCode = STATUS_LONGJUMP;
rec.ExceptionFlags = 0;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = NULL;
rec.NumberParameters = 1;
rec.ExceptionInformation[0] = (DWORD_PTR)jmp;
RtlUnwind((void *)jmp->Frame, (void *)jmp->Lr, &rec, IntToPtr(retval));
}
__wine_longjmp( (__wine_jmp_buf *)jmp, retval );
}
/*********************************************************************
* _fpieee_flt (MSVCRT.@)
*/
int __cdecl _fpieee_flt(ULONG exception_code, EXCEPTION_POINTERS *ep,
int (__cdecl *handler)(_FPIEEE_RECORD*))
{
FIXME("(%x %p %p)\n", exception_code, ep, handler);
return EXCEPTION_CONTINUE_SEARCH;
}
#endif /* __aarch64__ */