[PATCH 03/18] ntdll: Don't blindly increment Sp by 8 in leaf functions on arm64.
Martin Storsjö
martin at martin.st
Tue Nov 9 08:05:40 CST 2021
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 at martin.st>
---
dlls/ntdll/unix/signal_arm64.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/dlls/ntdll/unix/signal_arm64.c b/dlls/ntdll/unix/signal_arm64.c
index 50939125846..a52e9bccc49 100644
--- a/dlls/ntdll/unix/signal_arm64.c
+++ b/dlls/ntdll/unix/signal_arm64.c
@@ -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;
}
--
2.25.1
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