Squashed 'third_party/elfutils/' content from commit 555e15e

Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/backends/x86_corenote.c b/backends/x86_corenote.c
new file mode 100644
index 0000000..629462c
--- /dev/null
+++ b/backends/x86_corenote.c
@@ -0,0 +1,51 @@
+/* x86-specific core note handling, pieces common to x86-64 and i386.
+   Copyright (C) 2005-2010 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version
+
+   or both in parallel, as here.
+
+   elfutils 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
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#define	EXTRA_NOTES_IOPERM \
+  case NT_386_IOPERM: \
+    return ioperm_info (nhdr->n_descsz, \
+			regs_offset, nregloc, reglocs, nitems, items);
+
+static int
+ioperm_info (GElf_Word descsz, GElf_Word *regs_offset,
+	     size_t *nregloc, const Ebl_Register_Location **reglocs,
+	     size_t *nitems, const Ebl_Core_Item **items)
+{
+  static const Ebl_Core_Item ioperm_item =
+    { .type = ELF_T_WORD, .format = 'b', .name = "ioperm" };
+
+  if (descsz % 4 != 0)
+    return 0;
+
+  *regs_offset = 0;
+  *nregloc = 0;
+  *reglocs = NULL;
+  *nitems = 1;
+  *items = &ioperm_item;
+  return 1;
+}