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diff --git a/sys/compat/cloudabi32/cloudabi32_util.h b/sys/compat/cloudabi32/cloudabi32_util.h
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+++ b/sys/compat/cloudabi32/cloudabi32_util.h
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+/*-
+ * Copyright (c) 2015 Nuxi, https://nuxi.nl/
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _CLOUDABI32_UTIL_H_
+#define	_CLOUDABI32_UTIL_H_
+
+#include <sys/types.h>
+#define	__ELF_WORD_SIZE	32
+#include <sys/imgact_elf.h>
+
+#include <contrib/cloudabi/cloudabi32_types.h>
+
+struct image_params;
+struct thread;
+
+extern Elf32_Brandinfo cloudabi32_brand;
+
+#define	TO_PTR(x)	((void *)(uintptr_t)(x))
+
+/* Stack initialization during process execution. */
+register_t *cloudabi32_copyout_strings(struct image_params *);
+int	cloudabi32_fixup(register_t **, struct image_params *);
+
+int	cloudabi32_thread_setregs(struct thread *,
+    const cloudabi32_threadattr_t *, uint32_t);
+
+#endif