mirror of
https://github.com/reactos/wine.git
synced 2024-12-05 02:07:16 +00:00
188 lines
6.4 KiB
C
188 lines
6.4 KiB
C
/*
|
|
* msvcrt C++ exception handling
|
|
*
|
|
* Copyright 2011 Alexandre Julliard
|
|
* Copyright 2013 André Hentschel
|
|
*
|
|
* 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 __arm__
|
|
|
|
#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, DWORD frame);
|
|
typedef EXCEPTION_DISPOSITION (WINAPI *PEXCEPTION_ROUTINE)(EXCEPTION_RECORD *rec, DWORD frame,
|
|
CONTEXT *context,
|
|
struct _DISPATCHER_CONTEXT *dispatch);
|
|
|
|
typedef struct _DISPATCHER_CONTEXT
|
|
{
|
|
DWORD ControlPc;
|
|
DWORD ImageBase;
|
|
PRUNTIME_FUNCTION FunctionEntry;
|
|
DWORD EstablisherFrame;
|
|
DWORD TargetPc;
|
|
PCONTEXT ContextRecord;
|
|
PEXCEPTION_ROUTINE LanguageHandler;
|
|
PVOID HandlerData;
|
|
PUNWIND_HISTORY_TABLE HistoryTable;
|
|
DWORD ScopeIndex;
|
|
BOOLEAN ControlPcIsUnwound;
|
|
PBYTE NonVolatileRegisters;
|
|
DWORD VirtualVfpHead;
|
|
} DISPATCHER_CONTEXT;
|
|
|
|
|
|
/*********************************************************************
|
|
* __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 r1, #0\n\t" /* frame */
|
|
"b " __ASM_NAME("MSVCRT__setjmpex"));
|
|
|
|
/*******************************************************************
|
|
* _setjmpex (MSVCRT.@)
|
|
*/
|
|
__ASM_GLOBAL_FUNC(MSVCRT__setjmpex,
|
|
"str r1, [r0]\n\t" /* jmp_buf->Frame */
|
|
"str r4, [r0, #0x4]\n\t" /* jmp_buf->R4 */
|
|
"str r5, [r0, #0x8]\n\t" /* jmp_buf->R5 */
|
|
"str r6, [r0, #0xc]\n\t" /* jmp_buf->R6 */
|
|
"str r7, [r0, #0x10]\n\t" /* jmp_buf->R7 */
|
|
"str r8, [r0, #0x14]\n\t" /* jmp_buf->R8 */
|
|
"str r9, [r0, #0x18]\n\t" /* jmp_buf->R9 */
|
|
"str r10, [r0, #0x1c]\n\t" /* jmp_buf->R10 */
|
|
"str r11, [r0, #0x20]\n\t" /* jmp_buf->R11 */
|
|
"str sp, [r0, #0x24]\n\t" /* jmp_buf->Sp */
|
|
"str lr, [r0, #0x28]\n\t" /* jmp_buf->Pc */
|
|
/* FIXME: Save floating point data */
|
|
"mov r0, #0\n\t"
|
|
"bx lr");
|
|
|
|
|
|
extern void DECLSPEC_NORETURN CDECL longjmp_set_regs(struct MSVCRT___JUMP_BUFFER *jmp, int retval);
|
|
__ASM_GLOBAL_FUNC(longjmp_set_regs,
|
|
"ldr r4, [r0, #0x4]\n\t" /* jmp_buf->R4 */
|
|
"ldr r5, [r0, #0x8]\n\t" /* jmp_buf->R5 */
|
|
"ldr r6, [r0, #0xc]\n\t" /* jmp_buf->R6 */
|
|
"ldr r7, [r0, #0x10]\n\t" /* jmp_buf->R7 */
|
|
"ldr r8, [r0, #0x14]\n\t" /* jmp_buf->R8 */
|
|
"ldr r9, [r0, #0x18]\n\t" /* jmp_buf->R9 */
|
|
"ldr r10, [r0, #0x1c]\n\t" /* jmp_buf->R10 */
|
|
"ldr r11, [r0, #0x20]\n\t" /* jmp_buf->R11 */
|
|
"ldr sp, [r0, #0x24]\n\t" /* jmp_buf->Sp */
|
|
"ldr r2, [r0, #0x28]\n\t" /* jmp_buf->Pc */
|
|
/* FIXME: Restore floating point data */
|
|
"mov r0, r1\n\t" /* retval */
|
|
"bx r2");
|
|
|
|
/*******************************************************************
|
|
* 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->Pc, &rec, IntToPtr(retval));
|
|
}
|
|
longjmp_set_regs(jmp, retval);
|
|
}
|
|
|
|
#endif /* __arm__ */
|