From 8542dab909f895a8b6812428bb5e1acf7ea15305 Mon Sep 17 00:00:00 2001
From: Brad Smith <brad@comstyle.com>
Date: Sun, 6 Sep 2020 15:54:24 -0400
Subject: [PATCH] [compiler-rt] Implement __clear_cache() on OpenBSD/arm

---
 compiler-rt/lib/builtins/clear_cache.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler-rt/lib/builtins/clear_cache.c b/compiler-rt/lib/builtins/clear_cache.c
index 72e02e613de5..29e31f55d499 100644
--- a/compiler-rt/lib/builtins/clear_cache.c
+++ b/compiler-rt/lib/builtins/clear_cache.c
@@ -33,7 +33,7 @@ uintptr_t GetCurrentProcess(void);
 #include <machine/sysarch.h>
 #endif
 
-#if defined(__OpenBSD__) && defined(__mips__)
+#if defined(__OpenBSD__) && (defined(__arm__) || defined(__mips__))
 // clang-format off
 #include <sys/types.h>
 #include <machine/sysarch.h>
@@ -58,7 +58,7 @@ void __clear_cache(void *start, void *end) {
 #elif defined(_WIN32) && (defined(__arm__) || defined(__aarch64__))
   FlushInstructionCache(GetCurrentProcess(), start, end - start);
 #elif defined(__arm__) && !defined(__APPLE__)
-#if defined(__FreeBSD__) || defined(__NetBSD__)
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
   struct arm_sync_icache_args arg;
 
   arg.addr = (uintptr_t)start;