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diff --git a/lib/libkldelf/Makefile b/lib/libkldelf/Makefile
--- a/lib/libkldelf/Makefile
+++ b/lib/libkldelf/Makefile
@@ -11,6 +11,7 @@
ef_arm.c \
ef_amd64.c \
ef_i386.c \
+ ef_loongarch.c \
ef_powerpc.c \
ef_riscv.c
WARNS?= 2
diff --git a/lib/libkldelf/ef_loongarch.c b/lib/libkldelf/ef_loongarch.c
new file mode 100644
--- /dev/null
+++ b/lib/libkldelf/ef_loongarch.c
@@ -0,0 +1,60 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2026 Xiaoqiang Zhao <zhaoxiaoqiang007@gmail.com>
+ *
+ */
+
+#include <sys/endian.h>
+
+#include <err.h>
+#include <errno.h>
+#include <gelf.h>
+
+#include "kldelf.h"
+
+/*
+ * Apply relocations to the values obtained from the file. `relbase' is the
+ * target relocation address of the section, and `dataoff/len' is the region
+ * that is to be relocated, and has been copied to *dest
+ */
+static int
+ef_loongarch_reloc(struct elf_file *ef, const void *reldata, Elf_Type reltype,
+ GElf_Addr relbase, GElf_Addr dataoff, size_t len, void *dest)
+{
+ char *where;
+ GElf_Addr addr, addend;
+ GElf_Size rtype, symidx;
+ const GElf_Rela *rela;
+
+ switch (reltype) {
+ case ELF_T_RELA:
+ rela = (const GElf_Rela *)reldata;
+ where = (char *)dest + (relbase + rela->r_offset - dataoff);
+ addend = rela->r_addend;
+ rtype = GELF_R_TYPE(rela->r_info);
+ symidx = GELF_R_SYM(rela->r_info);
+ break;
+ default:
+ return (EINVAL);
+ }
+
+ if (where < (char *)dest || where >= (char *)dest + len)
+ return (0);
+
+ switch (rtype) {
+ case R_LARCH_64: /* S + A */
+ addr = EF_SYMADDR(ef, symidx) + addend;
+ le64enc(where, addr);
+ break;
+ case R_LARCH_RELATIVE: /* B + A */
+ addr = relbase + addend;
+ le64enc(where, addr);
+ break;
+ default:
+ warnx("unhandled relocation type %d", (int)rtype);
+ }
+ return (0);
+}
+
+ELF_RELOC(ELFCLASS64, ELFDATA2LSB, EM_LOONGARCH, ef_loongarch_reloc);
diff --git a/usr.sbin/kldxref/Makefile b/usr.sbin/kldxref/Makefile
--- a/usr.sbin/kldxref/Makefile
+++ b/usr.sbin/kldxref/Makefile
@@ -21,6 +21,7 @@
ef_arm.c \
ef_amd64.c \
ef_i386.c \
+ ef_loongarch.c \
ef_powerpc.c \
ef_riscv.c
SRCS+= ${KLDELF_SRCS}

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