238 lines
9.0 KiB
C
238 lines
9.0 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("MSVCRT__setjmpex"));
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
* _setjmpex (MSVCRT.@)
|
||
|
|
*/
|
||
|
|
__ASM_GLOBAL_FUNC(MSVCRT__setjmpex,
|
||
|
|
"str x1, [x0]\n\t" /* jmp_buf->Frame */
|
||
|
|
"str x19, [x0, #0x10]\n\t" /* jmp_buf->X19 */
|
||
|
|
"str x20, [x0, #0x18]\n\t" /* jmp_buf->X20 */
|
||
|
|
"str x21, [x0, #0x20]\n\t" /* jmp_buf->X21 */
|
||
|
|
"str x22, [x0, #0x28]\n\t" /* jmp_buf->X22 */
|
||
|
|
"str x23, [x0, #0x30]\n\t" /* jmp_buf->X23 */
|
||
|
|
"str x24, [x0, #0x38]\n\t" /* jmp_buf->X24 */
|
||
|
|
"str x25, [x0, #0x40]\n\t" /* jmp_buf->X25 */
|
||
|
|
"str x26, [x0, #0x48]\n\t" /* jmp_buf->X26 */
|
||
|
|
"str x26, [x0, #0x50]\n\t" /* jmp_buf->X27 */
|
||
|
|
"str x28, [x0, #0x58]\n\t" /* jmp_buf->X28 */
|
||
|
|
"str x29, [x0, #0x60]\n\t" /* jmp_buf->Fp */
|
||
|
|
"str x30, [x0, #0x68]\n\t" /* jmp_buf->Lr */
|
||
|
|
"mov x2, sp\n\t"
|
||
|
|
"str x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
|
||
|
|
"mrs x2, fpcr\n\t"
|
||
|
|
"str w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
|
||
|
|
"mrs x2, fpsr\n\t"
|
||
|
|
"str w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
|
||
|
|
"str d8, [x0, #0x80]\n\t" /* jmp_buf->D[0] */
|
||
|
|
"str d9, [x0, #0x88]\n\t" /* jmp_buf->D[1] */
|
||
|
|
"str d10, [x0, #0x90]\n\t" /* jmp_buf->D[2] */
|
||
|
|
"str d11, [x0, #0x98]\n\t" /* jmp_buf->D[3] */
|
||
|
|
"str d12, [x0, #0xa0]\n\t" /* jmp_buf->D[4] */
|
||
|
|
"str d13, [x0, #0xa8]\n\t" /* jmp_buf->D[5] */
|
||
|
|
"str d14, [x0, #0xb0]\n\t" /* jmp_buf->D[6] */
|
||
|
|
"str d15, [x0, #0xb8]\n\t" /* jmp_buf->D[7] */
|
||
|
|
"mov x0, #0\n\t"
|
||
|
|
"ret");
|
||
|
|
|
||
|
|
|
||
|
|
extern void DECLSPEC_NORETURN CDECL longjmp_set_regs(struct MSVCRT___JUMP_BUFFER *jmp, int retval);
|
||
|
|
__ASM_GLOBAL_FUNC(longjmp_set_regs,
|
||
|
|
"ldr x19, [x0, #0x10]\n\t" /* jmp_buf->X19 */
|
||
|
|
"ldr x20, [x0, #0x18]\n\t" /* jmp_buf->X20 */
|
||
|
|
"ldr x21, [x0, #0x20]\n\t" /* jmp_buf->X21 */
|
||
|
|
"ldr x22, [x0, #0x28]\n\t" /* jmp_buf->X22 */
|
||
|
|
"ldr x23, [x0, #0x30]\n\t" /* jmp_buf->X23 */
|
||
|
|
"ldr x24, [x0, #0x38]\n\t" /* jmp_buf->X24 */
|
||
|
|
"ldr x25, [x0, #0x40]\n\t" /* jmp_buf->X25 */
|
||
|
|
"ldr x26, [x0, #0x48]\n\t" /* jmp_buf->X26 */
|
||
|
|
"ldr x26, [x0, #0x50]\n\t" /* jmp_buf->X27 */
|
||
|
|
"ldr x28, [x0, #0x58]\n\t" /* jmp_buf->X28 */
|
||
|
|
"ldr x29, [x0, #0x60]\n\t" /* jmp_buf->Fp */
|
||
|
|
"ldr x30, [x0, #0x68]\n\t" /* jmp_buf->Lr */
|
||
|
|
"ldr x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
|
||
|
|
"mov sp, x2\n\t"
|
||
|
|
"ldr w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
|
||
|
|
"msr fpcr, x2\n\t"
|
||
|
|
"ldr w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
|
||
|
|
"msr fpsr, x2\n\t"
|
||
|
|
"ldr d8, [x0, #0x80]\n\t" /* jmp_buf->D[0] */
|
||
|
|
"ldr d9, [x0, #0x88]\n\t" /* jmp_buf->D[1] */
|
||
|
|
"ldr d10, [x0, #0x90]\n\t" /* jmp_buf->D[2] */
|
||
|
|
"ldr d11, [x0, #0x98]\n\t" /* jmp_buf->D[3] */
|
||
|
|
"ldr d12, [x0, #0xa0]\n\t" /* jmp_buf->D[4] */
|
||
|
|
"ldr d13, [x0, #0xa8]\n\t" /* jmp_buf->D[5] */
|
||
|
|
"ldr d14, [x0, #0xb0]\n\t" /* jmp_buf->D[6] */
|
||
|
|
"ldr d15, [x0, #0xb8]\n\t" /* jmp_buf->D[7] */
|
||
|
|
"mov x0, x1\n\t" /* retval */
|
||
|
|
"ret");
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
* 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));
|
||
|
|
}
|
||
|
|
longjmp_set_regs(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__ */
|