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[KERNEL32] Fix RaiseException to correctly copy the passed in parameters as ULONG_PTR

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Fixes C++ exception handling on x64.
This commit is contained in:
Timo Kreuzer 2023-09-19 02:56:07 +03:00
parent 4407e0aefa
commit 41c99aa60a
1 changed files with 7 additions and 5 deletions
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12
dll/win32/kernel32/client/except.c
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@ -697,14 +697,16 @@ Quit:
*/ */
VOID VOID
WINAPI WINAPI
RaiseException(IN DWORD dwExceptionCode, RaiseException(
IN DWORD dwExceptionFlags, _In_ DWORD dwExceptionCode,
IN DWORD nNumberOfArguments, _In_ DWORD dwExceptionFlags,
IN CONST ULONG_PTR *lpArguments OPTIONAL) _In_ DWORD nNumberOfArguments,
_In_opt_ const ULONG_PTR *lpArguments)
{ {
EXCEPTION_RECORD ExceptionRecord; EXCEPTION_RECORD ExceptionRecord;
/* Setup the exception record */ /* Setup the exception record */
RtlZeroMemory(&ExceptionRecord, sizeof(ExceptionRecord));
ExceptionRecord.ExceptionCode = dwExceptionCode; ExceptionRecord.ExceptionCode = dwExceptionCode;
ExceptionRecord.ExceptionRecord = NULL; ExceptionRecord.ExceptionRecord = NULL;
ExceptionRecord.ExceptionAddress = (PVOID)RaiseException; ExceptionRecord.ExceptionAddress = (PVOID)RaiseException;
@ -726,7 +728,7 @@ RaiseException(IN DWORD dwExceptionCode,
ExceptionRecord.NumberParameters = nNumberOfArguments; ExceptionRecord.NumberParameters = nNumberOfArguments;
RtlCopyMemory(ExceptionRecord.ExceptionInformation, RtlCopyMemory(ExceptionRecord.ExceptionInformation,
lpArguments, lpArguments,
nNumberOfArguments * sizeof(ULONG)); nNumberOfArguments * sizeof(ULONG_PTR));
} }
/* Better handling of Delphi Exceptions... a ReactOS Hack */ /* Better handling of Delphi Exceptions... a ReactOS Hack */