$OpenBSD: patch-src_arm_ffi_c,v 1.9 2020/02/10 18:06:34 jasper Exp $

https://svnweb.freebsd.org/ports/head/devel/libffi/files/patch-src__arm__ffi.c?revision=337118&view=markup

Index: src/arm/ffi.c
--- src/arm/ffi.c.orig
+++ src/arm/ffi.c
@@ -55,6 +55,11 @@ extern unsigned int ffi_arm_trampoline[3] FFI_HIDDEN;
 #endif
 #endif
 
+#ifdef __arm__
+#include <machine/sysarch.h>
+#include <stdint.h>
+#endif
+
 /* Forward declares. */
 static int vfp_type_p (const ffi_type *);
 static void layout_vfp_args (ffi_cif *);
@@ -591,6 +596,16 @@ ffi_prep_closure_loc (ffi_closure * closure,
   config[0] = closure;
   config[1] = closure_func;
 #else
+
+#ifdef __arm__
+#define __clear_cache(start, end) do {					\
+		struct arm_sync_icache_args ua;				\
+									\
+		ua.addr = (uintptr_t)(start);				\
+		ua.len = (char *)(end) - (char *)start;			\
+		sysarch(ARM_SYNC_ICACHE, &ua);				\
+	} while (0);
+#endif
 
 #ifndef _M_ARM
   memcpy(closure->tramp, ffi_arm_trampoline, 8);
