diff --git a/backends/ChangeLog b/backends/ChangeLog
index 40564ca7..ae385fe0 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,9 @@
+2023-04-07  Youling Tang  <tangyouling@loongson.cn>
+
+	* Makefile.am (loongarch_SRCS): Add loongarch_unwind.c.
+	* loongarch_init.c (loongarch_init): Hook unwind.
+	* loongarch_unwind.c: New file.
+
 2023-04-07  Youling Tang  <tangyouling@loongson.cn>
 
 	* Makefile.am (loongarch_SRCS): Add loongarch_retval.c.
diff --git a/backends/Makefile.am b/backends/Makefile.am
index 9277ed59..848e520c 100644
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -97,7 +97,8 @@ csky_SRCS = csky_attrs.c csky_init.c csky_symbol.c csky_cfi.c \
 	    csky_regs.c csky_initreg.c csky_corenote.c
 
 loongarch_SRCS = loongarch_init.c loongarch_symbol.c loongarch_cfi.c \
-	    loongarch_regs.c loongarch_initreg.c loongarch_retval.c
+	    loongarch_regs.c loongarch_initreg.c loongarch_retval.c \
+	    loongarch_unwind.c
 
 arc_SRCS = arc_init.c arc_symbol.c
 
diff --git a/backends/loongarch_init.c b/backends/loongarch_init.c
index 8892a2e6..808ff131 100644
--- a/backends/loongarch_init.c
+++ b/backends/loongarch_init.c
@@ -55,6 +55,7 @@ loongarch_init (Elf *elf __attribute__ ((unused)),
   HOOK (eh, check_special_symbol);
   HOOK (eh, set_initial_registers_tid);
   HOOK (eh, return_value_location);
+  HOOK (eh, unwind);
 
   return eh;
 }
diff --git a/backends/loongarch_unwind.c b/backends/loongarch_unwind.c
new file mode 100644
index 00000000..fb748083
--- /dev/null
+++ b/backends/loongarch_unwind.c
@@ -0,0 +1,84 @@
+/* Get previous frame state for an existing frame state.
+   Copyright (C) 2023 OpenAnolis community LoongArch SIG.
+   Copyright (C) 2023 Loongson Technology Corporation Limited.
+   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
+
+#define BACKEND loongarch_
+#define RA_REG 1
+#define SP_REG 3
+#define FP_REG 22
+
+#define RA_OFFSET 8
+#define FP_OFFSET 16
+
+#include "libebl_CPU.h"
+
+/* There was no CFI. Maybe we happen to have a frame pointer and can unwind from that?  */
+
+bool
+EBLHOOK(unwind) (Ebl *ebl __attribute__ ((unused)), Dwarf_Addr pc __attribute__ ((unused)),
+                 ebl_tid_registers_t *setfunc, ebl_tid_registers_get_t *getfunc,
+                 ebl_pid_memory_read_t *readfunc, void *arg,
+                 bool *signal_framep __attribute__ ((unused)))
+{
+  Dwarf_Word fp, ra, sp;
+
+  if (!getfunc(RA_REG, 1, &ra, arg))
+    return false;
+
+  if (ra == 0 || !setfunc(-1, 1, &ra, arg))
+    return false;
+
+  if (!getfunc(FP_REG, 1, &fp, arg))
+    fp = 0;
+
+  if (!getfunc(SP_REG, 1, &sp, arg))
+    sp = 0;
+
+  Dwarf_Word newRa, newFp, newSp;
+
+  if (!readfunc(fp - RA_OFFSET, &newRa, arg))
+    newRa = 0;
+
+  if (!readfunc(fp - FP_OFFSET, &newFp, arg))
+    newFp = 0;
+
+  newSp = fp;
+
+  // These are not fatal if they don't work. They will just prevent unwinding at the next frame.
+  setfunc(RA_REG, 1, &newRa, arg);
+  setfunc(FP_REG, 1, &newFp, arg);
+  setfunc(SP_REG, 1, &newSp, arg);
+
+  // If the fp is invalid, we might still have a valid ra.
+  // But if the fp is valid, then the stack should be moving in the right direction.
+  return fp == 0 || newSp > sp;
+}
