From 5a06ec4113f1f2eefbb1fd754b305ef569d66b34 Mon Sep 17 00:00:00 2001
From: Vlad Brezae <brezaevlad@gmail.com>
Date: Wed, 15 Oct 2025 13:17:11 +0300
Subject: [PATCH] [clr-interp] Fix cconv issue in InterpreterStub on linux-x64

It seems like this code was copied over from windows version, with minor oversight leading to passing first arg in rcx instead of rdi.
---
 src/coreclr/vm/amd64/asmhelpers.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coreclr/vm/amd64/asmhelpers.S b/src/coreclr/vm/amd64/asmhelpers.S
index b1a09405818f54..0c657bcc13a9b5 100644
--- a/src/coreclr/vm/amd64/asmhelpers.S
+++ b/src/coreclr/vm/amd64/asmhelpers.S
@@ -451,7 +451,7 @@ NESTED_ENTRY InterpreterStub, _TEXT, NoHandler
         jnz             LOCAL_LABEL(HaveInterpThreadContext)
 
 LOCAL_LABEL(NoManagedThread):
-        mov             rcx, r10
+        mov             rdi, r10
         call            C_FUNC(GetInterpThreadContextWithPossiblyMissingThread)
 
 LOCAL_LABEL(HaveInterpThreadContext):