https://build.opensuse.org/package/view_file/openSUSE:Factory/mozjs17/mozjs-aarch64-support.patch

index c071c33..90764c3 100644
--- a/js/src/assembler/jit/ExecutableAllocator.h
+++ b/js/src/assembler/jit/ExecutableAllocator.h
@@ -382,6 +382,12 @@ public:
     {
         reprotectRegion(start, size, Executable);
     }
+#elif WTF_CPU_AARCH64 && WTF_PLATFORM_LINUX
+    static void cacheFlush(void* code, size_t size)
+    {
+        intptr_t end = reinterpret_cast<intptr_t>(code) + size;
+        __builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(end));
+    }
 #else
     static void makeWritable(void*, size_t) {}
     static void makeExecutable(void*, size_t) {}
diff --git a/js/src/assembler/wtf/Platform.h b/js/src/assembler/wtf/Platform.h
index 0c84896..e8763a7 100644
--- a/js/src/assembler/wtf/Platform.h
+++ b/js/src/assembler/wtf/Platform.h
@@ -325,6 +325,10 @@
 #define WTF_THUMB_ARCH_VERSION 0
 #endif
 
+/* CPU(AArch64) - 64-bit ARM */
+#if defined(__aarch64__)</td></tr></table>
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