[newlib]

* configure.host (msp430): Add.
* libc/include/machine/ieeefp.h: Add MSP430 support.
* libc/include/machine/setjmp.h: Likewise.
* libc/include/sys/config.h: Likewise.
* libc/machine/configure.in (msp430): Add.
* libc/machine/configure: Regenerate.
* libc/machine/msp430: New directory.

[libgloss]
* configure.in (msp430*-*-elf): Add.
* configure: Regenerate.
* msp430: New directory.

libgloss/msp430/sbrk.c

@@ -0,0 +1,33 @@
+/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
+
+   This copyrighted material is made available to anyone wishing to use, modify,
+   copy, or redistribute it subject to the terms and conditions of the BSD
+   License.   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  A copy of this license
+   is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
+   are incorporated in the source code or documentation are not subject to the BSD
+   License and may only be used or replicated with the express permission of
+   Red Hat, Inc.
+*/
+
+char *
+_sbrk (int adj)
+{
+  extern char    end[];		/* Defined in the linker script.  */
+  static char *  heap = end;
+  char *         rv = heap;
+  char *        sp = (char *) & sp;	/* Stack grows down, heap grows up...  */
+
+  if (heap + adj > sp)
+    {
+#define MESSAGE "Heap and stack collision\n"
+      write (1, MESSAGE, sizeof MESSAGE);
+      abort ();
+    }
+
+  heap += adj;
+  return rv;
+}
+
+char * sbrk (int) __attribute__((weak, alias ("_sbrk")));