1 files changed, 130 insertions, 0 deletions
diff --git a/backends/ppc64_symbol.c b/backends/ppc64_symbol.c
new file mode 100644
index 00000000..0feddcee
--- /dev/null
+++ b/backends/ppc64_symbol.c
@@ -0,0 +1,130 @@
+/* PPC64 specific symbolic name handling.
+   Copyright (C) 2004, 2005, 2014 Red Hat, Inc.
+   This file is part of elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+   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 <assert.h>
+#include <elf.h>
+#include <stddef.h>
+#include <string.h>
+
+#define BACKEND		ppc64_
+#include "libebl_CPU.h"
+
+
+/* Check for the simple reloc types.  */
+Elf_Type
+ppc64_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type)
+{
+  switch (type)
+    {
+    case R_PPC64_ADDR64:
+    case R_PPC64_UADDR64:
+      return ELF_T_XWORD;
+    case R_PPC64_ADDR32:
+    case R_PPC64_UADDR32:
+      return ELF_T_WORD;
+    case R_PPC64_UADDR16:
+      return ELF_T_HALF;
+    default:
+      return ELF_T_NUM;
+    }
+}
+
+
+const char *
+ppc64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
+			size_t len __attribute__ ((unused)))
+{
+  switch (tag)
+    {
+    case DT_PPC64_GLINK:
+      return "PPC64_GLINK";
+    case DT_PPC64_OPD:
+      return "PPC64_OPD";
+    case DT_PPC64_OPDSZ:
+      return "PPC64_OPDSZ";
+    case DT_PPC64_OPT:
+      return "PPC64_OPT";
+    default:
+      break;
+    }
+  return NULL;
+}
+
+
+bool
+ppc64_dynamic_tag_check (int64_t tag)
+{
+  return (tag == DT_PPC64_GLINK
+	  || tag == DT_PPC64_OPD
+	  || tag == DT_PPC64_OPDSZ
+	  || tag == DT_PPC64_OPT);
+}
+
+
+/* Check whether given symbol's st_value and st_size are OK despite failing
+   normal checks.  */
+bool
+ppc64_check_special_symbol (Elf *elf, GElf_Ehdr *ehdr,
+			    const GElf_Sym *sym __attribute__ ((unused)),
+			    const char *name __attribute__ ((unused)),
+			    const GElf_Shdr *destshdr)
+{
+  const char *sname = elf_strptr (elf, ehdr->e_shstrndx, destshdr->sh_name);
+  if (sname == NULL)
+    return false;
+  return strcmp (sname, ".opd") == 0;
+}
+
+
+/* Check if backend uses a bss PLT in this file.  */
+bool
+ppc64_bss_plt_p (Elf *elf __attribute__ ((unused)))
+{
+  return true;
+}
+
+/* Check whether machine flags are valid.  PPC64 has three possible values:
+   0 - for unspecified ABI, or not using any specific ABI features.
+   1 - for the original ELF PPC64 ABI using function descriptors.
+   2 - for the revised ELFv2 PPC64 ABI without function descriptors.  */
+bool
+ppc64_machine_flag_check (GElf_Word flags)
+{
+  return flags == 0 || flags == 1 || flags == 2;
+}
+
+bool
+ppc64_check_st_other_bits (unsigned char st_other)
+{
+  return (PPC64_LOCAL_ENTRY_OFFSET (st_other) != 0);
+}