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

Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/tests/scnnames.c b/tests/scnnames.c
new file mode 100644
index 0000000..7f26825
--- /dev/null
+++ b/tests/scnnames.c
@@ -0,0 +1,91 @@
+/* Copyright (C) 1998, 1999, 2000, 2002, 2005 Red Hat, Inc.
+   This file is part of elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   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 a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+int
+main (int argc, char *argv[])
+{
+  Elf *elf;
+  int fd;
+  GElf_Ehdr ehdr;
+  size_t strndx;
+  Elf_Scn *scn;
+
+  if (argc < 2)
+    {
+      puts ("missing parameter");
+      exit (1);
+    }
+
+  fd = open (argv[1], O_RDONLY);
+  if (fd == -1)
+    {
+      printf ("cannot open \"%s\": %s\n", argv[1], strerror (errno));
+      exit (1);
+    }
+
+  elf_version (EV_CURRENT);
+
+  elf = elf_begin (fd, ELF_C_READ, NULL);
+  if (elf == NULL)
+    {
+      printf ("cannot open ELF file: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  if (elf_kind (elf) != ELF_K_ELF)
+    {
+      printf ("\"%s\" is not an ELF file\n", argv[1]);
+      exit (1);
+    }
+
+  if (gelf_getehdr (elf, &ehdr) == NULL)
+    {
+      printf ("cannot get the ELF header: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  strndx = ehdr.e_shstrndx;
+
+  scn = NULL;
+  while ((scn = elf_nextscn (elf, scn)) != NULL)
+    {
+      char *name = NULL;
+      GElf_Shdr shdr;
+
+      if (gelf_getshdr (scn, &shdr) != NULL)
+	name = elf_strptr (elf, strndx, (size_t) shdr.sh_name);
+
+      printf ("section: `%s'\n", name);
+    }
+
+  if (elf_end (elf) != 0)
+    {
+      printf ("error while freeing ELF descriptor: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  return 0;
+}