Integrate newlib into opteesp environment
Use newlib external component in opteesp targeted builds along the
necessary compiler and linker options. Also adding/modifying the source
files for startup, heap handling and trace features. The sp.ld.S file
is based on ta/arch/arm/ta.ld.S from optee_os
6be0dbcaa11394a2ad5a46ac77e2f76e31a41722.
Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: Ie9f3e8f0fb755bb88cc33feffda86fbbbf3c7fce
diff --git a/environments/opteesp/include/libc_init.h b/environments/opteesp/include/libc_init.h
new file mode 100644
index 0000000..232c3c0
--- /dev/null
+++ b/environments/opteesp/include/libc_init.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
+ */
+
+#ifndef LIBC_INIT_H_
+#define LIBC_INIT_H_
+
+void libc_init(void);
+
+#endif /* LIBC_INIT_H_ */