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ntdll: NtRaiseException doesn't need to be a register function. 

Moved common code between NtRaiseException and RtlRaiseException to a
separate raise_exception function.
This commit is contained in:
Alexandre Julliard 2006-01-10 17:51:22 +01:00
parent 8b84808bed
commit 90e3865929
3 changed files with 110 additions and 93 deletions
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195
dlls/ntdll/exception.c
View File

@ -77,6 +77,7 @@ static RTL_CRITICAL_SECTION vectored_handlers_section = { &critsect_debug, -1, 0
# error You must define GET_IP for this CPU
#endif
extern void DECLSPEC_NORETURN __wine_call_from_32_restore_regs( const CONTEXT *context );
/*******************************************************************
* EXC_RaiseHandler
@ -241,65 +242,15 @@ static LONG call_vectored_handlers( EXCEPTION_RECORD *rec, CONTEXT *context )
}
/*******************************************************************
* EXC_DefaultHandling
/**********************************************************************
* call_stack_handlers
*
* Default handling for exceptions. Called when we didn't find a suitable handler.
* Call the stack handlers chain.
*/
static void EXC_DefaultHandling( EXCEPTION_RECORD *rec, CONTEXT *context )
{
if (send_debug_event( rec, FALSE, context ) == DBG_CONTINUE) return; /* continue execution */
if (rec->ExceptionFlags & EH_STACK_INVALID)
ERR("Exception frame is not in stack limits => unable to dispatch exception.\n");
else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION)
ERR("Process attempted to continue execution after noncontinuable exception.\n");
else
ERR("Unhandled exception code %lx flags %lx addr %p\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
NtTerminateProcess( NtCurrentProcess(), 1 );
}
/***********************************************************************
* RtlRaiseException (NTDLL.@)
*/
void WINAPI __regs_RtlRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context )
static NTSTATUS call_stack_handlers( EXCEPTION_RECORD *rec, CONTEXT *context )
{
EXCEPTION_REGISTRATION_RECORD *frame, *dispatch, *nested_frame;
EXCEPTION_RECORD newrec;
DWORD res, c;
NTSTATUS status;
TRACE( "code=%lx flags=%lx addr=%p\n", rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
for (c=0; c<rec->NumberParameters; c++) TRACE(" info[%ld]=%08lx\n", c, rec->ExceptionInformation[c]);
if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
{
if (HIWORD(rec->ExceptionInformation[1]))
MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
else
MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
}
#ifdef __i386__
else
{
TRACE(" eax=%08lx ebx=%08lx ecx=%08lx edx=%08lx esi=%08lx edi=%08lx\n",
context->Eax, context->Ebx, context->Ecx,
context->Edx, context->Esi, context->Edi );
TRACE(" ebp=%08lx esp=%08lx cs=%04lx ds=%04lx es=%04lx fs=%04lx gs=%04lx flags=%08lx\n",
context->Ebp, context->Esp, context->SegCs, context->SegDs,
context->SegEs, context->SegFs, context->SegGs, context->EFlags );
}
#endif
status = send_debug_event( rec, TRUE, context );
if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED) return; /* continue execution */
if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION) return;
DWORD res;
frame = NtCurrentTeb()->Tib.ExceptionList;
nested_frame = NULL;
@ -326,13 +277,8 @@ void WINAPI __regs_RtlRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context )
switch(res)
{
case ExceptionContinueExecution:
if (!(rec->ExceptionFlags & EH_NONCONTINUABLE)) return;
newrec.ExceptionCode = STATUS_NONCONTINUABLE_EXCEPTION;
newrec.ExceptionFlags = EH_NONCONTINUABLE;
newrec.ExceptionRecord = rec;
newrec.NumberParameters = 0;
RtlRaiseException( &newrec ); /* never returns */
break;
if (!(rec->ExceptionFlags & EH_NONCONTINUABLE)) return STATUS_SUCCESS;
return STATUS_NONCONTINUABLE_EXCEPTION;
case ExceptionContinueSearch:
break;
case ExceptionNestedException:
@ -340,16 +286,109 @@ void WINAPI __regs_RtlRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context )
rec->ExceptionFlags |= EH_NESTED_CALL;
break;
default:
newrec.ExceptionCode = STATUS_INVALID_DISPOSITION;
return STATUS_INVALID_DISPOSITION;
}
frame = frame->Prev;
}
return STATUS_UNHANDLED_EXCEPTION;
}
/*******************************************************************
* raise_exception
*
* Implementation of NtRaiseException.
*/
static NTSTATUS raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
{
NTSTATUS status;
if (first_chance)
{
DWORD c;
TRACE( "code=%lx flags=%lx addr=%p\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
for (c = 0; c < rec->NumberParameters; c++)
TRACE( " info[%ld]=%08lx\n", c, rec->ExceptionInformation[c] );
if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
{
if (rec->ExceptionInformation[1] >> 16)
MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
else
MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
}
#ifdef __i386__
else
{
TRACE(" eax=%08lx ebx=%08lx ecx=%08lx edx=%08lx esi=%08lx edi=%08lx\n",
context->Eax, context->Ebx, context->Ecx,
context->Edx, context->Esi, context->Edi );
TRACE(" ebp=%08lx esp=%08lx cs=%04lx ds=%04lx es=%04lx fs=%04lx gs=%04lx flags=%08lx\n",
context->Ebp, context->Esp, context->SegCs, context->SegDs,
context->SegEs, context->SegFs, context->SegGs, context->EFlags );
}
#endif
status = send_debug_event( rec, TRUE, context );
if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED)
return STATUS_SUCCESS;
if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION)
return STATUS_SUCCESS;
if ((status = call_stack_handlers( rec, context )) != STATUS_UNHANDLED_EXCEPTION)
return status;
}
/* last chance exception */
status = send_debug_event( rec, FALSE, context );
if (status != DBG_CONTINUE)
{
if (rec->ExceptionFlags & EH_STACK_INVALID)
ERR("Exception frame is not in stack limits => unable to dispatch exception.\n");
else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION)
ERR("Process attempted to continue execution after noncontinuable exception.\n");
else
ERR("Unhandled exception code %lx flags %lx addr %p\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
NtTerminateProcess( NtCurrentProcess(), 1 );
}
return STATUS_SUCCESS;
}
/*******************************************************************
* NtRaiseException (NTDLL.@)
*/
NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
{
NTSTATUS status = raise_exception( rec, context, first_chance );
#ifdef DEFINE_REGS_ENTRYPOINT
if (status == STATUS_SUCCESS) __wine_call_from_32_restore_regs( context );
#endif
return status;
}
/***********************************************************************
* RtlRaiseException (NTDLL.@)
*/
void WINAPI __regs_RtlRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context )
{
NTSTATUS status = raise_exception( rec, context, TRUE );
if (status != STATUS_SUCCESS)
{
EXCEPTION_RECORD newrec;
newrec.ExceptionCode = status;
newrec.ExceptionFlags = EH_NONCONTINUABLE;
newrec.ExceptionRecord = rec;
newrec.NumberParameters = 0;
RtlRaiseException( &newrec ); /* never returns */
break;
}
frame = frame->Prev;
}
EXC_DefaultHandling( rec, context );
}
/**********************************************************************/
@ -454,28 +493,6 @@ void WINAPI RtlUnwind( PVOID pEndFrame, PVOID unusedEip,
#endif
/*******************************************************************
* NtRaiseException (NTDLL.@)
*/
void WINAPI __regs_NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *ctx,
BOOL first, CONTEXT *context )
{
__regs_RtlRaiseException( rec, ctx );
*context = *ctx;
}
#ifdef DEFINE_REGS_ENTRYPOINT
DEFINE_REGS_ENTRYPOINT( NtRaiseException, 12, 12 );
#else
void WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *ctx, BOOL first )
{
CONTEXT context;
memset( &context, 0, sizeof(context) );
__regs_NtRaiseException( rec, ctx, first, &context );
}
#endif
/***********************************************************************
* RtlRaiseStatus (NTDLL.@)
*

2
dlls/ntdll/ntdll.spec
View File

@ -273,7 +273,7 @@
@ stdcall NtQueryVirtualMemory(long ptr long ptr long ptr)
@ stdcall NtQueryVolumeInformationFile(long ptr ptr long long)
@ stdcall NtQueueApcThread(long ptr long long long)
@ stdcall -register NtRaiseException(ptr ptr long)
@ stdcall NtRaiseException(ptr ptr long)
@ stub NtRaiseHardError
@ stdcall NtReadFile(long long long long long long long long long)
@ stub NtReadFileScatter

2
include/winternl.h
View File

@ -1841,7 +1841,7 @@ NTSTATUS WINAPI NtQueryTimerResolution(PULONG,PULONG,PULONG);
NTSTATUS WINAPI NtQueryValueKey(HANDLE,const UNICODE_STRING *,KEY_VALUE_INFORMATION_CLASS,void *,DWORD,DWORD *);
NTSTATUS WINAPI NtQueryVirtualMemory(HANDLE,LPCVOID,MEMORY_INFORMATION_CLASS,PVOID,SIZE_T,SIZE_T*);
NTSTATUS WINAPI NtQueryVolumeInformationFile(HANDLE,PIO_STATUS_BLOCK,PVOID,ULONG,FS_INFORMATION_CLASS);
void WINAPI NtRaiseException(PEXCEPTION_RECORD,PCONTEXT,BOOL);
NTSTATUS WINAPI NtRaiseException(PEXCEPTION_RECORD,PCONTEXT,BOOL);
NTSTATUS WINAPI NtRaiseHardError(NTSTATUS,ULONG,PUNICODE_STRING,PVOID*,HARDERROR_RESPONSE_OPTION,PHARDERROR_RESPONSE);
NTSTATUS WINAPI NtReadFile(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,PVOID,ULONG,PLARGE_INTEGER,PULONG);
NTSTATUS WINAPI NtReadFileScatter(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,FILE_SEGMENT_ELEMENT,ULONG,PLARGE_INTEGER,PULONG);