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/sh_symbol.c b/backends/sh_symbol.c
new file mode 100644
index 0000000..8101e96
--- /dev/null
+++ b/backends/sh_symbol.c
@@ -0,0 +1,94 @@
+/* SH specific relocation handling.
+   Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+   This file is part of elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+   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/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <stddef.h>
+
+#define BACKEND sh_
+#include "libebl_CPU.h"
+
+
+/* Return true if the symbol type is that referencing the GOT.  */
+bool
+sh_gotpc_reloc_check (Elf *elf __attribute__ ((unused)), int type)
+{
+  return type == R_SH_GOTPC;
+}
+
+/* Check for the simple reloc types.  */
+Elf_Type
+sh_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type)
+{
+  switch (type)
+    {
+    case R_SH_DIR32:
+      return ELF_T_WORD;
+    default:
+      return ELF_T_NUM;
+    }
+}
+
+/* Check whether machine flags are valid.  */
+bool
+sh_machine_flag_check (GElf_Word flags)
+{
+  switch (flags & EF_SH_MACH_MASK)
+    {
+    case EF_SH_UNKNOWN:
+    case EF_SH1:
+    case EF_SH2:
+    case EF_SH3:
+    case EF_SH_DSP:
+    case EF_SH3_DSP:
+    case EF_SH4AL_DSP:
+    case EF_SH3E:
+    case EF_SH4:
+    case EF_SH2E:
+    case EF_SH4A:
+    case EF_SH2A:
+    case EF_SH4_NOFPU:
+    case EF_SH4A_NOFPU:
+    case EF_SH4_NOMMU_NOFPU:
+    case EF_SH2A_NOFPU:
+    case EF_SH3_NOMMU:
+    case EF_SH2A_SH4_NOFPU:
+    case EF_SH2A_SH3_NOFPU:
+    case EF_SH2A_SH4:
+    case EF_SH2A_SH3E:
+      break;
+    default:
+      return false;
+    }
+
+  return ((flags &~ (EF_SH_MACH_MASK)) == 0);
+}