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ntdll: Don't blindly increment Sp by 8 in leaf functions on arm64. 

This doesn't fix (or break) any case known to me, but the code seems
wrong.

Leaf functions on arm (either 32 or 64) don't generally have any
default/implicit stack allocation.

Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjö 2021-11-09 16:05:40 +02:00 committed by Alexandre Julliard
parent 4463ccb267
commit 7b7a2af5ee
1 changed files with 0 additions and 1 deletions
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dlls/ntdll/unix/signal_arm64.c
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@ -224,7 +224,6 @@ NTSTATUS CDECL unwind_builtin_dll( ULONG type, DISPATCHER_CONTEXT *dispatch, CON
dispatch->LanguageHandler = NULL;
dispatch->EstablisherFrame = context->Sp;
context->Pc = context->u.s.Lr;
context->Sp = context->Sp + sizeof(ULONG64);
context->ContextFlags |= CONTEXT_UNWOUND_TO_CALL;
return STATUS_SUCCESS;
}