1 files changed, 74 insertions, 0 deletions
diff --git a/backends/loongarch_symbol.c b/backends/loongarch_symbol.c
new file mode 100644
index 00000000..8ba66a09
--- /dev/null
+++ b/backends/loongarch_symbol.c
@@ -0,0 +1,74 @@
+/* LoongArch specific symbolic name handling.
+   Copyright (C) 2022 Hengqi Chen
+   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 <assert.h>
+#include <elf.h>
+#include <stddef.h>
+#include <string.h>
+
+#define BACKEND loongarch_
+#include "libebl_CPU.h"
+
+
+/* Check for the simple reloc types.  */
+Elf_Type
+loongarch_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
+			     int *addsub)
+{
+  switch (type)
+    {
+    case R_LARCH_32:
+      return ELF_T_WORD;
+    case R_LARCH_64:
+      return ELF_T_XWORD;
+    case R_LARCH_ADD16:
+      *addsub = 1;
+      return ELF_T_HALF;
+    case R_LARCH_ADD32:
+      *addsub = 1;
+      return ELF_T_WORD;
+    case R_LARCH_ADD64:
+      *addsub = 1;
+      return ELF_T_XWORD;
+    case R_LARCH_SUB16:
+      *addsub = -1;
+      return ELF_T_HALF;
+    case R_LARCH_SUB32:
+      *addsub = -1;
+      return ELF_T_WORD;
+    case R_LARCH_SUB64:
+      *addsub = -1;
+      return ELF_T_XWORD;
+    default:
+      return ELF_T_NUM;
+    }
+}