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+/*
+ * Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+ */
+#ifndef KEEP_H
+#define KEEP_H
+
+#ifdef ASM
+
+ .macro KEEP_PAGER sym
+ .pushsection __keep_meta_vars_pager
+ ___keep_pager_\sym:
+ .long \sym
+ .popsection
+ .endm
+
+ .macro KEEP_INIT sym
+ .pushsection __keep_meta_vars_init
+ ___keep_init_\sym:
+ .long \sym
+ .popsection
+ .endm
+
+#else
+
+#include <compiler.h>
+
+#define KEEP_PAGER(sym) \
+ const unsigned long ____keep_pager_##sym \
+ __section("__keep_meta_vars_pager") = (unsigned long)&sym
+
+#define KEEP_INIT(sym) \
+ const unsigned long ____keep_init_##sym \
+ __section("__keep_meta_vars_init") = (unsigned long)&sym
+
+#endif /* ASM */
+
+#endif /*KEEP_H*/