1 files changed, 87 insertions, 0 deletions
diff --git a/src/backends/aarch64_symbol.c b/src/backends/aarch64_symbol.c
new file mode 100644
index 00000000..3fdc9cf8
--- /dev/null
+++ b/src/backends/aarch64_symbol.c
@@ -0,0 +1,87 @@
+/* AArch64 specific symbolic name handling.
+   Copyright (C) 2013 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/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <stddef.h>
+#include <string.h>
+
+#define BACKEND		aarch64_
+#include "libebl_CPU.h"
+
+
+/* Check for the simple reloc types.  */
+Elf_Type
+aarch64_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type)
+{
+  switch (type)
+    {
+    case R_AARCH64_ABS64:
+      return ELF_T_XWORD;
+    case R_AARCH64_ABS32:
+      return ELF_T_WORD;
+    case R_AARCH64_ABS16:
+      return ELF_T_HALF;
+
+    default:
+      return ELF_T_NUM;
+    }
+}
+
+/* If this is the _GLOBAL_OFFSET_TABLE_ symbol, then it should point to
+   .got[0] even if there is a .got.plt section.  */
+bool
+aarch64_check_special_symbol (Elf *elf, GElf_Ehdr *ehdr, const GElf_Sym *sym,
+                              const char *name, const GElf_Shdr *destshdr)
+{
+  if (name != NULL
+      && strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0)
+    {
+      const char *sname = elf_strptr (elf, ehdr->e_shstrndx, destshdr->sh_name);
+      if (sname != NULL && strcmp (sname, ".got.plt") == 0)
+	{
+	  Elf_Scn *scn = NULL;
+	  while ((scn = elf_nextscn (elf, scn)) != NULL)
+	    {
+	      GElf_Shdr shdr_mem;
+	      GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
+	      if (shdr != NULL)
+		{
+		  sname = elf_strptr (elf, ehdr->e_shstrndx, shdr->sh_name);
+		  if (sname != NULL && strcmp (sname, ".got") == 0)
+		    return sym->st_value == shdr->sh_addr;
+		}
+	    }
+	}
+    }
+
+  return false;
+}