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Sweden-Number/dlls/msvcrt/except_arm.c

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/*
* 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;
/*********************************************************************
* __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 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 */
"vmrs r2, fpscr\n\t"
"str r2, [r0, #0x2c]\n\t" /* jmp_buf->Fpscr */
"vstr d8, [r0, #0x30]\n\t" /* jmp_buf->D[0] */
"vstr d9, [r0, #0x38]\n\t" /* jmp_buf->D[1] */
"vstr d10, [r0, #0x40]\n\t" /* jmp_buf->D[2] */
"vstr d11, [r0, #0x48]\n\t" /* jmp_buf->D[3] */
"vstr d12, [r0, #0x50]\n\t" /* jmp_buf->D[4] */
"vstr d13, [r0, #0x58]\n\t" /* jmp_buf->D[5] */
"vstr d14, [r0, #0x60]\n\t" /* jmp_buf->D[6] */
"vstr d15, [r0, #0x68]\n\t" /* jmp_buf->D[7] */
"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 */
"ldr r3, [r0, #0x2c]\n\t" /* jmp_buf->Fpscr */
"vmsr fpscr, r3\n\t"
"vldr d8, [r0, #0x30]\n\t" /* jmp_buf->D[0] */
"vldr d9, [r0, #0x38]\n\t" /* jmp_buf->D[1] */
"vldr d10, [r0, #0x40]\n\t" /* jmp_buf->D[2] */
"vldr d11, [r0, #0x48]\n\t" /* jmp_buf->D[3] */
"vldr d12, [r0, #0x50]\n\t" /* jmp_buf->D[4] */
"vldr d13, [r0, #0x58]\n\t" /* jmp_buf->D[5] */
"vldr d14, [r0, #0x60]\n\t" /* jmp_buf->D[6] */
"vldr d15, [r0, #0x68]\n\t" /* jmp_buf->D[7] */
"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);
}
/*********************************************************************
* _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 /* __arm__ */
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