Add <sys/auxv.h> and getauxval.

1 files changed, 36 insertions, 0 deletions

diff --git a/misc/getauxval.c b/misc/getauxval.c
new file mode 100644
index 0000000000..a3338eedd9
--- /dev/null
+++ b/misc/getauxval.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sys/auxv.h>
+#include <ldsodefs.h>
+
+
+unsigned long
+__getauxval (unsigned long type)
+{
+  ElfW(auxv_t) *p;
+
+  if (type == AT_HWCAP)
+    return GLRO(dl_hwcap);
+
+  for (p = GLRO(dl_auxv); p->a_type != AT_NULL; p++)
+    if (p->a_type == type)
+      return p->a_un.a_val;
+  return 0;
+}
+
+weak_alias (__getauxval, getauxval)