[GCC 4.8] Initial check-in of GCC 4.8.0

Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771

1 files changed, 41 insertions, 0 deletions

diff --git a/gcc-4.8/libgo/runtime/go-unsafe-newarray.c b/gcc-4.8/libgo/runtime/go-unsafe-newarray.c
new file mode 100644
index 000000000..e4fb3366b
--- /dev/null
+++ b/gcc-4.8/libgo/runtime/go-unsafe-newarray.c
@@ -0,0 +1,41 @@
+/* go-unsafe-newarray.c -- unsafe.NewArray function for Go.
+
+   Copyright 2009 The Go Authors. All rights reserved.
+   Use of this source code is governed by a BSD-style
+   license that can be found in the LICENSE file.  */
+
+#include "runtime.h"
+#include "arch.h"
+#include "malloc.h"
+#include "go-type.h"
+#include "interface.h"
+
+/* Implement unsafe_NewArray, called from the reflect package.  */
+
+void *unsafe_NewArray (const struct __go_type_descriptor *, intgo)
+  __asm__ (GOSYM_PREFIX "reflect.unsafe_NewArray");
+
+/* The dynamic type of the argument will be a pointer to a type
+   descriptor.  */
+
+void *
+unsafe_NewArray (const struct __go_type_descriptor *descriptor, intgo n)
+{
+  uint64 size;
+  void *ret;
+
+  size = n * descriptor->__size;
+  if (size == 0)
+    ret = &runtime_zerobase;
+  else if ((descriptor->__code & GO_NO_POINTERS) != 0)
+    ret = runtime_mallocgc (size, FlagNoPointers, 1, 1);
+  else
+    {
+      ret = runtime_mallocgc (size, 0, 1, 1);
+
+      if (UseSpanType)
+	runtime_settype (ret, (uintptr) descriptor | TypeInfo_Array);
+    }
+
+  return ret;
+}