diff --git a/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec b/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec
index 1c5744d7f08..644e868c572 100644
--- a/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec
+++ b/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec
@@ -5,7 +5,7 @@
 @ stdcall -arch=x86_64 RtlCopyMemory(ptr ptr long) ntdll.RtlCopyMemory
 @ cdecl -arch=arm,arm64,x86_64 RtlDeleteFunctionTable(ptr) ntdll.RtlDeleteFunctionTable
 @ stdcall RtlFillMemory(ptr long long) ntdll.RtlFillMemory
-@ cdecl -arch=x86_64 RtlInstallFunctionTableCallback(long long long ptr ptr wstr) ntdll.RtlInstallFunctionTableCallback
+@ cdecl -arch=arm,arm64,x86_64 RtlInstallFunctionTableCallback(long long long ptr ptr wstr) ntdll.RtlInstallFunctionTableCallback
 @ stdcall -arch=arm,x86_64 RtlLookupFunctionEntry(long ptr ptr) ntdll.RtlLookupFunctionEntry
 @ stdcall RtlPcToFileHeader(ptr ptr) ntdll.RtlPcToFileHeader
 @ stdcall -norelay RtlRaiseException(ptr) ntdll.RtlRaiseException
diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index c2e2fb1c66e..7f59182b24a 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -721,7 +721,7 @@
 # @ stub RtlInitializeStackTraceDataBase
 @ stub RtlInsertElementGenericTable
 @ stdcall RtlInsertElementGenericTableAvl(ptr ptr long ptr)
-@ cdecl -arch=x86_64 RtlInstallFunctionTableCallback(long long long ptr ptr wstr)
+@ cdecl -arch=arm,arm64,x86_64 RtlInstallFunctionTableCallback(long long long ptr ptr wstr)
 @ stdcall RtlInt64ToUnicodeString(int64 long ptr)
 @ stdcall RtlIntegerToChar(long long long ptr)
 @ stdcall RtlIntegerToUnicodeString(long long ptr)
diff --git a/dlls/ntdll/signal_arm.c b/dlls/ntdll/signal_arm.c
index 88914cd0962..4f505db9440 100644
--- a/dlls/ntdll/signal_arm.c
+++ b/dlls/ntdll/signal_arm.c
@@ -1058,6 +1058,16 @@ BOOLEAN CDECL RtlAddFunctionTable( RUNTIME_FUNCTION *table, DWORD count, DWORD a
     return TRUE;
 }
 
+/**********************************************************************
+ *              RtlInstallFunctionTableCallback   (NTDLL.@)
+ */
+BOOLEAN CDECL RtlInstallFunctionTableCallback( DWORD table, DWORD base, DWORD length,
+                                               PGET_RUNTIME_FUNCTION_CALLBACK callback, PVOID context, PCWSTR dll )
+{
+    FIXME( "%x %x %d %p %p %s: stub\n", table, base, length, callback, context, wine_dbgstr_w(dll) );
+    return TRUE;
+}
+
 /*************************************************************************
  *              RtlAddGrowableFunctionTable   (NTDLL.@)
  */
diff --git a/dlls/ntdll/signal_arm64.c b/dlls/ntdll/signal_arm64.c
index e1958890af2..e15129b20dc 100644
--- a/dlls/ntdll/signal_arm64.c
+++ b/dlls/ntdll/signal_arm64.c
@@ -637,7 +637,7 @@ static void segv_handler( int signal, siginfo_t *info, void *ucontext )
 {
     EXCEPTION_RECORD *rec;
     ucontext_t *context = ucontext;
-    DWORD *orig_pc = PC_sig(context);
+    DWORD *orig_pc = (DWORD *)PC_sig(context);
 
     /* check for page fault inside the thread stack */
     if (signal == SIGSEGV &&
@@ -977,6 +977,16 @@ BOOLEAN CDECL RtlAddFunctionTable( RUNTIME_FUNCTION *table, DWORD count, ULONG_P
     return TRUE;
 }
 
+/**********************************************************************
+ *              RtlInstallFunctionTableCallback   (NTDLL.@)
+ */
+BOOLEAN CDECL RtlInstallFunctionTableCallback( ULONG_PTR table, ULONG_PTR base, DWORD length,
+                                               PGET_RUNTIME_FUNCTION_CALLBACK callback, PVOID context, PCWSTR dll )
+{
+    FIXME( "%lx %lx %d %p %p %s: stub\n", table, base, length, callback, context, wine_dbgstr_w(dll) );
+    return TRUE;
+}
+
 
 /*************************************************************************
  *              RtlAddGrowableFunctionTable   (NTDLL.@)
diff --git a/include/winnt.h b/include/winnt.h
index 3a8295f1cac..20e8a8518ba 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -1741,8 +1741,11 @@ typedef struct _CONTEXT
     ULONG Padding2[2];              /* 198 */
 } CONTEXT;
 
+typedef PRUNTIME_FUNCTION (CALLBACK *PGET_RUNTIME_FUNCTION_CALLBACK)(DWORD,PVOID);
+
 BOOLEAN CDECL            RtlAddFunctionTable(RUNTIME_FUNCTION*,DWORD,DWORD);
 BOOLEAN CDECL            RtlDeleteFunctionTable(RUNTIME_FUNCTION*);
+BOOLEAN CDECL            RtlInstallFunctionTableCallback(DWORD,DWORD,DWORD,PGET_RUNTIME_FUNCTION_CALLBACK,PVOID,PCWSTR);
 PRUNTIME_FUNCTION WINAPI RtlLookupFunctionEntry(ULONG_PTR,DWORD*,UNWIND_HISTORY_TABLE*);
 
 #endif /* __arm__ */
@@ -1874,8 +1877,11 @@ typedef struct _CONTEXT
     DWORD64 Wvr[ARM64_MAX_WATCHPOINTS]; /* 380 */
 } CONTEXT;
 
+typedef PRUNTIME_FUNCTION (CALLBACK *PGET_RUNTIME_FUNCTION_CALLBACK)(DWORD64,PVOID);
+
 BOOLEAN CDECL            RtlAddFunctionTable(RUNTIME_FUNCTION*,DWORD,ULONG_PTR);
 BOOLEAN CDECL            RtlDeleteFunctionTable(RUNTIME_FUNCTION*);
+BOOLEAN CDECL            RtlInstallFunctionTableCallback(ULONG_PTR,ULONG_PTR,DWORD,PGET_RUNTIME_FUNCTION_CALLBACK,PVOID,PCWSTR);
 
 #endif /* __aarch64__ */