1 files changed, 62 insertions, 0 deletions
diff --git a/newlib/libc/machine/spu/mremap_ea.c b/newlib/libc/machine/spu/mremap_ea.c
new file mode 100644
index 000000000..dfd778ece
--- /dev/null
+++ b/newlib/libc/machine/spu/mremap_ea.c
@@ -0,0 +1,62 @@
+/*
+(C) Copyright IBM Corp. 2007, 2008
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+* Neither the name of IBM nor the names of its contributors may be
+used to endorse or promote products derived from this software without
+specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include <stddef.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include "ea_internal.h"
+#include <ea.h>
+
+COMPAT_EA_ALIAS (mremap_ea);
+
+__ea void *
+mremap_ea (__ea void *old_address, size_ea_t old_size,
+	   size_ea_t new_size, unsigned long flags)
+{
+#ifdef __EA64__
+  return (__ea void *) mremap_eaddr ((unsigned long long) old_address,
+				     old_size, new_size, flags);
+#else /* __EA32__ */
+  unsigned long long res;
+  res = mremap_eaddr ((unsigned long long) (unsigned int) old_address,
+		      old_size, new_size, flags);
+  if (res != MAP_FAILED_EADDR && res > 0xffffffffULL)
+    {
+      /*
+       * We cannot reliably undo the successful remap, so unmap the address.
+       */
+      munmap_eaddr (res, new_size);
+      errno = ENOMEM;
+      res = MAP_FAILED_EADDR;
+    }
+  return (__ea void *) (int) res;
+#endif
+}