--- /dev/null
+#ifndef _X86_64_DARWIN_OS_H
+#define _X86_64_DARWIN_OS_H
+
+#include "darwin-os.h"
+
+typedef register_t os_context_register_t;
+
+static inline os_context_t *arch_os_get_context(void **void_context) {
+ return (os_context_t *) *void_context;
+}
+
+#define CONTEXT_ADDR_FROM_STEM(stem) &context->uc_mcontext->ss.stem
+#define DARWIN_FIX_CONTEXT(context)
+
+#endif /* _X86_64_DARWIN_OS_H */