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-rw-r--r--include/lib/libc/cdefs.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/lib/libc/cdefs.h b/include/lib/libc/cdefs.h
new file mode 100644
index 0000000..423f0db
--- /dev/null
+++ b/include/lib/libc/cdefs.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CDEFS_H
+#define CDEFS_H
+
+#define __dead2 __attribute__((__noreturn__))
+#define __deprecated __attribute__((__deprecated__))
+#define __packed __attribute__((__packed__))
+#define __used __attribute__((__used__))
+#define __unused __attribute__((__unused__))
+#define __maybe_unused __attribute__((__unused__))
+#define __aligned(x) __attribute__((__aligned__(x)))
+#define __section(x) __attribute__((__section__(x)))
+#if RECLAIM_INIT_CODE
+/*
+ * Add each function to a section that is unique so the functions can still
+ * be garbage collected
+ */
+#define __init __section(".text.init." __FILE__ "." __XSTRING(__LINE__))
+#else
+#define __init
+#endif
+
+#define __printflike(fmtarg, firstvararg) \
+ __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
+
+#define __weak_reference(sym, alias) \
+ __asm__(".weak alias"); \
+ __asm__(".equ alias, sym")
+
+#define __STRING(x) #x
+#define __XSTRING(x) __STRING(x)
+
+#endif /* CDEFS_H */