Move Jerry's libc to jerry-libc directory.

jerry-libc/target/stm32f3/jerry-libc.cpp

@@ -0,0 +1,59 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Jerry libc platform-specific functions stm32f4 implementation
+ */
+
+#include "jerry-libc.h"
+
+#include <stdarg.h>
+
+extern void __noreturn exit (int status);
+
+/** Output of character. Writes the character c, cast to an unsigned char, to stdout.  */
+int
+__putchar (int c)
+{
+  JERRY_UNIMPLEMENTED_REF_UNUSED_VARS("putchar is not implemented for STM32F3.", c);
+} /* __putchar */
+
+/** exit - cause normal process termination  */
+void __noreturn
+__exit (int status __unused)
+{
+  /**
+   * TODO: Blink LEDs? status -> binary -> LEDs?
+   */
+
+  while (true)
+  {
+  }
+} /* __exit */
+
+/**
+ * fwrite
+ *
+ * @return number of bytes written
+ */
+size_t
+__fwrite (const void *ptr, /**< data to write */
+         size_t size, /**< size of elements to write */
+         size_t nmemb, /**< number of elements */
+         _FILE *stream) /**< stream pointer */
+{
+  JERRY_UNIMPLEMENTED_REF_UNUSED_VARS("fwrite is not implemented for STM32F3.", ptr, size, nmemb, stream);
+} /* __fwrite */
+