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Diffstat (limited to 'libgloss/m68k/cf-sbrk.c')
-rw-r--r--libgloss/m68k/cf-sbrk.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/libgloss/m68k/cf-sbrk.c b/libgloss/m68k/cf-sbrk.c
deleted file mode 100644
index 1bcf3f047..000000000
--- a/libgloss/m68k/cf-sbrk.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * cf-sbrk.c --
- *
- * Copyright (c) 2006 CodeSourcery Inc
- *
- * The authors hereby grant permission to use, copy, modify, distribute,
- * and license this software and its documentation for any purpose, provided
- * that existing copyright notices are retained in all copies and that this
- * notice is included verbatim in any distributions. No written agreement,
- * license, or royalty fee is required for any of the authorized uses.
- * Modifications to this software may be copyrighted by their authors
- * and need not follow the licensing terms described here, provided that
- * the new terms are clearly indicated on the first page of each file where
- * they apply.
- */
-
-#include <errno.h>
-/*
- * sbrk -- changes heap size size. Get nbytes more
- * RAM. We just increment a pointer in what's
- * left of memory on the board.
- */
-
-extern char __end[] __attribute__ ((aligned (4)));
-
-/* End of heap, if non NULL. */
-extern void *__heap_limit;
-
-void *
-sbrk (int nbytes)
-{
- static char *heap = __end;
- char *end = __heap_limit;
- char *base = heap;
- char *new_heap = heap + nbytes;
-
- if (!end)
- {
- /* Use sp - 256 as the heap limit. */
- __asm__ __volatile__ ("move.l %/sp,%0" : "=r"(end));
- end -= 256;
- }
- if (nbytes < 0 || (long)(end - new_heap) < 0)
- {
- errno = ENOMEM;
- return (void *)-1;
- }
- heap = new_heap;
- return base;
-}