LoongArch bfd support

2021-10-22  Chenghua Xu  <xuchenghua@loongson.cn>
	    Zhensong Liu  <liuzhensong@loongson.cn>
	    Weinan Liu  <liuweinan@loongson.cn>
bfd/
	* Makefile.am: Add LoongArch.
	* archures.c: Likewise.
	* config.bfd: Likewise.
	* configure.ac: Likewise.
	* cpu-loongarch.c: New.
	* elf-bfd.h: Add LoongArch.
	* elf.c: Add LoongArch elfcore_grok_xxx.
	* elfnn-loongarch.c: New.
	* elfxx-loongarch.c: New.
	* elfxx-loongarch.h: New.
	* reloc.c: Add LoongArch BFD RELOC ENUM.
	* targets.c: Add LoongArch target.
	* Makefile.in: Regenerate.
	* bfd-in2.h: Regenerate.
	* configure: Regenerate.
	* libbfd.h: Regenerate.
	* po/BLD-POTFILES.in: Regenerate.
	* po/SRC-POTFILES.in: Regenerate.

include/
	* elf/common.h: Add NT_LARCH_{CPUCFG,CSR,LSX,LASX}.
	* elf/loongarch.h: New.

20 files changed, 4519 insertions, 3 deletions

diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index ed2f701..097177b 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -118,6 +118,7 @@ ALL_MACHINES = \
 	cpu-ip2k.lo \
 	cpu-iq2000.lo \
 	cpu-lm32.lo \
+	cpu-loongarch.lo \
 	cpu-m10200.lo \
 	cpu-m10300.lo \
 	cpu-m32c.lo \
@@ -202,6 +203,7 @@ ALL_MACHINES_CFILES = \
 	cpu-ip2k.c \
 	cpu-iq2000.c \
 	cpu-lm32.c \
+	cpu-loongarch.c \
 	cpu-m10200.c \
 	cpu-m10300.c \
 	cpu-m32c.c \
@@ -548,6 +550,9 @@ BFD64_BACKENDS = \
 	elf64-ia64.lo \
 	elf64-ia64-vms.lo \
 	elfxx-ia64.lo \
+	elf32-loongarch.lo \
+	elf64-loongarch.lo \
+	elfxx-loongarch.lo \
 	elfn32-mips.lo \
 	elf64-mips.lo \
 	elfxx-mips.lo \
@@ -601,6 +606,7 @@ BFD64_BACKENDS_CFILES = \
 	elfn32-mips.c \
 	elfxx-aarch64.c \
 	elfxx-ia64.c \
+	elfxx-loongarch.c \
 	elfxx-mips.c \
 	elfxx-riscv.c \
 	mach-o-aarch64.c \
@@ -665,6 +671,7 @@ SOURCE_CFILES = \
 BUILD_CFILES = \
 	elf32-aarch64.c elf64-aarch64.c \
 	elf32-ia64.c elf64-ia64.c \
+	elf32-loongarch.c elf64-loongarch.c \
 	elf32-riscv.c elf64-riscv.c \
 	peigen.c pepigen.c pex64igen.c
 
@@ -686,7 +693,7 @@ SOURCE_HFILES = \
 	elf-bfd.h elfcode.h elfcore.h elf-hppa.h elf-linker-x86.h \
 	elf-linux-core.h elf-nacl.h elf-s390.h elf-vxworks.h \
 	elfxx-aarch64.h elfxx-ia64.h elfxx-mips.h elfxx-riscv.h \
-	elfxx-sparc.h elfxx-tilegx.h elfxx-x86.h \
+	elfxx-sparc.h elfxx-tilegx.h elfxx-x86.h elfxx-loongarch.h \
 	genlink.h go32stub.h \
 	libaout.h libbfd.h libcoff.h libecoff.h libhppa.h \
 	libpei.h libxcoff.h \
@@ -842,6 +849,14 @@ elf64-ia64.c : elfnn-ia64.c
 	echo "#line 1 \"elfnn-ia64.c\"" > $@
 	$(SED) -e s/NN/64/g < $< >> $@
 
+elf32-loongarch.c : elfnn-loongarch.c
+	echo "#line 1 \"elfnn-loongarch.c\"" > $@
+	$(SED) -e s/NN/32/g < $< >> $@
+
+elf64-loongarch.c : elfnn-loongarch.c
+	echo "#line 1 \"elfnn-loongarch.c\"" > $@
+	$(SED) -e s/NN/64/g < $< >> $@
+
 elf32-riscv.c : elfnn-riscv.c
 	echo "#line 1 \"elfnn-riscv.c\"" > $@
 	$(SED) -e s/NN/32/g < $< >> $@
diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index 12807d9..a76b653 100644
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -543,6 +543,7 @@ ALL_MACHINES = \
 	cpu-ip2k.lo \
 	cpu-iq2000.lo \
 	cpu-lm32.lo \
+	cpu-loongarch.lo \
 	cpu-m10200.lo \
 	cpu-m10300.lo \
 	cpu-m32c.lo \
@@ -627,6 +628,7 @@ ALL_MACHINES_CFILES = \
 	cpu-ip2k.c \
 	cpu-iq2000.c \
 	cpu-lm32.c \
+	cpu-loongarch.c \
 	cpu-m10200.c \
 	cpu-m10300.c \
 	cpu-m32c.c \
@@ -975,6 +977,9 @@ BFD64_BACKENDS = \
 	elf64-ia64.lo \
 	elf64-ia64-vms.lo \
 	elfxx-ia64.lo \
+	elf32-loongarch.lo \
+	elf64-loongarch.lo \
+	elfxx-loongarch.lo \
 	elfn32-mips.lo \
 	elf64-mips.lo \
 	elfxx-mips.lo \
@@ -1028,6 +1033,7 @@ BFD64_BACKENDS_CFILES = \
 	elfn32-mips.c \
 	elfxx-aarch64.c \
 	elfxx-ia64.c \
+	elfxx-loongarch.c \
 	elfxx-mips.c \
 	elfxx-riscv.c \
 	mach-o-aarch64.c \
@@ -1091,6 +1097,7 @@ SOURCE_CFILES = \
 BUILD_CFILES = \
 	elf32-aarch64.c elf64-aarch64.c \
 	elf32-ia64.c elf64-ia64.c \
+	elf32-loongarch.c elf64-loongarch.c \
 	elf32-riscv.c elf64-riscv.c \
 	peigen.c pepigen.c pex64igen.c
 
@@ -1109,7 +1116,7 @@ SOURCE_HFILES = \
 	elf-bfd.h elfcode.h elfcore.h elf-hppa.h elf-linker-x86.h \
 	elf-linux-core.h elf-nacl.h elf-s390.h elf-vxworks.h \
 	elfxx-aarch64.h elfxx-ia64.h elfxx-mips.h elfxx-riscv.h \
-	elfxx-sparc.h elfxx-tilegx.h elfxx-x86.h \
+	elfxx-sparc.h elfxx-tilegx.h elfxx-x86.h elfxx-loongarch.h \
 	genlink.h go32stub.h \
 	libaout.h libbfd.h libcoff.h libecoff.h libhppa.h \
 	libpei.h libxcoff.h \
@@ -1349,6 +1356,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-k1om.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-l1om.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-lm32.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-loongarch.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-m10200.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-m10300.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-m32c.Plo@am__quote@
@@ -1442,6 +1450,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-ip2k.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-iq2000.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-lm32.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-loongarch.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-m32c.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-m32r.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-m68hc11.Plo@am__quote@
@@ -1492,6 +1501,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-hppa.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ia64-vms.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ia64.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-loongarch.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-mips.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-mmix.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-nfp.Plo@am__quote@
@@ -1506,6 +1516,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfn32-mips.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-aarch64.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-ia64.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-loongarch.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-mips.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-riscv.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-sparc.Plo@am__quote@
@@ -1972,6 +1983,14 @@ elf64-ia64.c : elfnn-ia64.c
 	echo "#line 1 \"elfnn-ia64.c\"" > $@
 	$(SED) -e s/NN/64/g < $< >> $@
 
+elf32-loongarch.c : elfnn-loongarch.c
+	echo "#line 1 \"elfnn-loongarch.c\"" > $@
+	$(SED) -e s/NN/32/g < $< >> $@
+
+elf64-loongarch.c : elfnn-loongarch.c
+	echo "#line 1 \"elfnn-loongarch.c\"" > $@
+	$(SED) -e s/NN/64/g < $< >> $@
+
 elf32-riscv.c : elfnn-riscv.c
 	echo "#line 1 \"elfnn-riscv.c\"" > $@
 	$(SED) -e s/NN/32/g < $< >> $@
diff --git a/bfd/archures.c b/bfd/archures.c
index 31a41a1..6c9be91 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -555,6 +555,9 @@ DESCRIPTION
 .#define bfd_mach_ck807		6
 .#define bfd_mach_ck810		7
 .#define bfd_mach_ck860		8
+.  bfd_arch_loongarch,       {* LoongArch *}
+.#define bfd_mach_loongarch32	1
+.#define bfd_mach_loongarch64	2
 .  bfd_arch_last
 .  };
 */
@@ -635,6 +638,7 @@ extern const bfd_arch_info_type bfd_iq2000_arch;
 extern const bfd_arch_info_type bfd_k1om_arch;
 extern const bfd_arch_info_type bfd_l1om_arch;
 extern const bfd_arch_info_type bfd_lm32_arch;
+extern const bfd_arch_info_type bfd_loongarch_arch;
 extern const bfd_arch_info_type bfd_m32c_arch;
 extern const bfd_arch_info_type bfd_m32r_arch;
 extern const bfd_arch_info_type bfd_m68hc11_arch;
@@ -724,6 +728,7 @@ static const bfd_arch_info_type * const bfd_archures_list[] =
     &bfd_k1om_arch,
     &bfd_l1om_arch,
     &bfd_lm32_arch,
+    &bfd_loongarch_arch,
     &bfd_m32c_arch,
     &bfd_m32r_arch,
     &bfd_m68hc11_arch,
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index a0faeaf..91888ef 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1937,6 +1937,9 @@ enum bfd_architecture
 #define bfd_mach_ck807         6
 #define bfd_mach_ck810         7
 #define bfd_mach_ck860         8
+  bfd_arch_loongarch,       /* LoongArch */
+#define bfd_mach_loongarch32   1
+#define bfd_mach_loongarch64   2
   bfd_arch_last
   };
 
@@ -6268,6 +6271,51 @@ assembler and not (currently) written to any object files.  */
 
 /* S12Z relocations.  */
   BFD_RELOC_S12Z_OPR,
+
+/* LARCH relocations.  */
+  BFD_RELOC_LARCH_TLS_DTPMOD32,
+  BFD_RELOC_LARCH_TLS_DTPREL32,
+  BFD_RELOC_LARCH_TLS_DTPMOD64,
+  BFD_RELOC_LARCH_TLS_DTPREL64,
+  BFD_RELOC_LARCH_TLS_TPREL32,
+  BFD_RELOC_LARCH_TLS_TPREL64,
+  BFD_RELOC_LARCH_MARK_LA,
+  BFD_RELOC_LARCH_MARK_PCREL,
+  BFD_RELOC_LARCH_SOP_PUSH_PCREL,
+  BFD_RELOC_LARCH_SOP_PUSH_ABSOLUTE,
+  BFD_RELOC_LARCH_SOP_PUSH_DUP,
+  BFD_RELOC_LARCH_SOP_PUSH_GPREL,
+  BFD_RELOC_LARCH_SOP_PUSH_TLS_TPREL,
+  BFD_RELOC_LARCH_SOP_PUSH_TLS_GOT,
+  BFD_RELOC_LARCH_SOP_PUSH_TLS_GD,
+  BFD_RELOC_LARCH_SOP_PUSH_PLT_PCREL,
+  BFD_RELOC_LARCH_SOP_ASSERT,
+  BFD_RELOC_LARCH_SOP_NOT,
+  BFD_RELOC_LARCH_SOP_SUB,
+  BFD_RELOC_LARCH_SOP_SL,
+  BFD_RELOC_LARCH_SOP_SR,
+  BFD_RELOC_LARCH_SOP_ADD,
+  BFD_RELOC_LARCH_SOP_AND,
+  BFD_RELOC_LARCH_SOP_IF_ELSE,
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_5,
+  BFD_RELOC_LARCH_SOP_POP_32_U_10_12,
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_12,
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_16,
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_16_S2,
+  BFD_RELOC_LARCH_SOP_POP_32_S_5_20,
+  BFD_RELOC_LARCH_SOP_POP_32_S_0_5_10_16_S2,
+  BFD_RELOC_LARCH_SOP_POP_32_S_0_10_10_16_S2,
+  BFD_RELOC_LARCH_SOP_POP_32_U,
+  BFD_RELOC_LARCH_ADD8,
+  BFD_RELOC_LARCH_ADD16,
+  BFD_RELOC_LARCH_ADD24,
+  BFD_RELOC_LARCH_ADD32,
+  BFD_RELOC_LARCH_ADD64,
+  BFD_RELOC_LARCH_SUB8,
+  BFD_RELOC_LARCH_SUB16,
+  BFD_RELOC_LARCH_SUB24,
+  BFD_RELOC_LARCH_SUB32,
+  BFD_RELOC_LARCH_SUB64,
   BFD_RELOC_UNUSED };
 
 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
diff --git a/bfd/config.bfd b/bfd/config.bfd
index ab51257..3cf3227 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -197,6 +197,7 @@ hppa*)		 targ_archs=bfd_hppa_arch ;;
 i[3-7]86)	 targ_archs=bfd_i386_arch ;;
 ia16)		 targ_archs=bfd_i386_arch ;;
 lm32)	         targ_archs=bfd_lm32_arch ;;
+loongarch*)	 targ_archs=bfd_loongarch_arch ;;
 m6811*|m68hc11*) targ_archs="bfd_m68hc11_arch bfd_m68hc12_arch bfd_m9s12x_arch bfd_m9s12xg_arch" ;;
 m6812*|m68hc12*) targ_archs="bfd_m68hc12_arch bfd_m68hc11_arch bfd_m9s12x_arch bfd_m9s12xg_arch" ;;
 m68*)		 targ_archs=bfd_m68k_arch ;;
@@ -1458,6 +1459,20 @@ case "${targ}" in
     targ_underscore=yes
     ;;
 
+#ifdef BFD64
+  loongarch32-*)
+    targ_defvec=loongarch_elf32_vec
+    targ_selvecs="loongarch_elf32_vec"
+    want64=false
+    ;;
+
+  loongarch64-*)
+    targ_defvec=loongarch_elf64_vec
+    targ_selvecs="loongarch_elf32_vec loongarch_elf64_vec"
+    want64=true
+    ;;
+#endif
+
 # END OF targmatch.h
   bpf-*-*)
     echo "*** Configuration $targ is not fully supported." >&2
diff --git a/bfd/configure b/bfd/configure
index 2d89d9c..58449ee 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -13348,6 +13348,8 @@ do
     l1om_elf64_fbsd_vec)	 tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
     lm32_elf32_vec)		 tb="$tb elf32-lm32.lo elf32.lo $elf" ;;
     lm32_elf32_fdpic_vec)	 tb="$tb elf32-lm32.lo elf32.lo $elf" ;;
+    loongarch_elf32_vec)	 tb="$tb elf32-loongarch.lo elfxx-loongarch.lo elf32.lo elf-ifunc.lo $elf" ;;
+    loongarch_elf64_vec)	 tb="$tb elf64-loongarch.lo elf64.lo elfxx-loongarch.lo elf32.lo elf-ifunc.lo $elf"; target_size=64 ;;
     m32c_elf32_vec)		 tb="$tb elf32-m32c.lo elf32.lo $elf" ;;
     m32r_elf32_vec)		 tb="$tb elf32-m32r.lo elf32.lo $elf" ;;
     m32r_elf32_le_vec)		 tb="$tb elf32-m32r.lo elf32.lo $elf" ;;
diff --git a/bfd/configure.ac b/bfd/configure.ac
index 9ff303a..50ba391 100644
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -527,6 +527,8 @@ do
     l1om_elf64_fbsd_vec)	 tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
     lm32_elf32_vec)		 tb="$tb elf32-lm32.lo elf32.lo $elf" ;;
     lm32_elf32_fdpic_vec)	 tb="$tb elf32-lm32.lo elf32.lo $elf" ;;
+    loongarch_elf32_vec)	 tb="$tb elf32-loongarch.lo elfxx-loongarch.lo elf32.lo elf-ifunc.lo $elf" ;;
+    loongarch_elf64_vec)	 tb="$tb elf64-loongarch.lo elf64.lo elfxx-loongarch.lo elf32.lo elf-ifunc.lo $elf"; target_size=64 ;;
     m32c_elf32_vec)		 tb="$tb elf32-m32c.lo elf32.lo $elf" ;;
     m32r_elf32_vec)		 tb="$tb elf32-m32r.lo elf32.lo $elf" ;;
     m32r_elf32_le_vec)		 tb="$tb elf32-m32r.lo elf32.lo $elf" ;;
diff --git a/bfd/cpu-loongarch.c b/bfd/cpu-loongarch.c
new file mode 100644
index 0000000..bf6702a
--- /dev/null
+++ b/bfd/cpu-loongarch.c
@@ -0,0 +1,61 @@
+/* BFD support for LoongArch.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Loongson Ltd.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; see the file COPYING3.  If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+
+static const bfd_arch_info_type bfd_loongarch32_arch =
+{
+  32,				/* 32 bits in a word.  */
+  32,				/* 64 bits in an address.  */
+  8,				/* 8 bits in a byte.  */
+  bfd_arch_loongarch,		/* Architecture.  */
+  bfd_mach_loongarch32, 	/* Machine number - 0 for now.  */
+  "loongarch32",		/* Architecture name.  */
+  "Loongarch32",		/* Printable name.  */
+  3,				/* Section align power.  */
+  false,			/* This is the default architecture.  */
+  bfd_default_compatible,	/* Architecture comparison function.  */
+  bfd_default_scan,		/* String to architecture conversion.  */
+  bfd_arch_default_fill,	/* Default fill.  */
+  NULL, 			/* Next in list.  */
+  0,
+};
+
+const bfd_arch_info_type bfd_loongarch_arch =
+{
+  32,				/* 32 bits in a word.  */
+  64,				/* 64 bits in an address.  */
+  8,				/* 8 bits in a byte.  */
+  bfd_arch_loongarch,		/* Architecture.  */
+  /* Machine number of LoongArch64 is larger
+   * so that LoongArch64 is compatible to LoongArch32.  */
+  bfd_mach_loongarch64,
+  "loongarch64",		/* Architecture name.  */
+  "Loongarch64",		/* Printable name.  */
+  3,				/* Section align power.  */
+  true, 			/* This is the default architecture.  */
+  bfd_default_compatible,	/* Architecture comparison function.  */
+  bfd_default_scan,		/* String to architecture conversion.  */
+  bfd_arch_default_fill,	/* Default fill.  */
+  &bfd_loongarch32_arch,	/* Next in list.  */
+  0,
+};
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index c7dedf5..91bb1b2 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -508,6 +508,7 @@ enum elf_target_id
   I386_ELF_DATA,
   IA64_ELF_DATA,
   LM32_ELF_DATA,
+  LARCH_ELF_DATA,
   M32R_ELF_DATA,
   M68HC11_ELF_DATA,
   M68K_ELF_DATA,
@@ -2849,6 +2850,14 @@ extern char *elfcore_write_register_note
   (bfd *, char *, int *, const char *, const void *, int);
 extern char *elfcore_write_file_note
   (bfd *, char *, int *, const void*, int);
+extern char *elfcore_write_loongarch_cpucfg
+  (bfd *, char *, int *, const void*, int);
+extern char *elfcore_write_loongarch_lbt
+  (bfd *, char *, int *, const void*, int);
+extern char *elfcore_write_loongarch_lsx
+  (bfd *, char *, int *, const void*, int);
+extern char *elfcore_write_loongarch_lasx
+  (bfd *, char *, int *, const void*, int);
 
 /* Internal structure which holds information to be included in the
    PRPSINFO section of Linux core files.
diff --git a/bfd/elf.c b/bfd/elf.c
index e8e37ea..cd8280e 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -9951,6 +9951,30 @@ elfcore_grok_gdb_tdesc (bfd *abfd, Elf_Internal_Note *note)
   return elfcore_make_note_pseudosection (abfd, ".gdb-tdesc", note);
 }
 
+static bool
+elfcore_grok_loongarch_cpucfg (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-loongarch-cpucfg", note);
+}
+
+static bool
+elfcore_grok_loongarch_lbt (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-loongarch-lbt", note);
+}
+
+static bool
+elfcore_grok_loongarch_lsx (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-loongarch-lsx", note);
+}
+
+static bool
+elfcore_grok_loongarch_lasx (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-loongarch-lasx", note);
+}
+
 #if defined (HAVE_PRPSINFO_T)
 typedef prpsinfo_t   elfcore_psinfo_t;
 #if defined (HAVE_PRPSINFO32_T)		/* Sparc64 cross Sparc32 */
@@ -10630,6 +10654,34 @@ elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note)
       else
 	return true;
 
+    case NT_LARCH_CPUCFG:
+      if (note->namesz == 6
+	  && strcmp (note->namedata, "LINUX") == 0)
+	return elfcore_grok_loongarch_cpucfg (abfd, note);
+      else
+	return true;
+
+    case NT_LARCH_LBT:
+      if (note->namesz == 6
+	  && strcmp (note->namedata, "LINUX") == 0)
+	return elfcore_grok_loongarch_lbt (abfd, note);
+      else
+	return true;
+
+    case NT_LARCH_LSX:
+      if (note->namesz == 6
+	  && strcmp (note->namedata, "LINUX") == 0)
+	return elfcore_grok_loongarch_lsx (abfd, note);
+      else
+	return true;
+
+    case NT_LARCH_LASX:
+      if (note->namesz == 6
+	  && strcmp (note->namedata, "LINUX") == 0)
+	return elfcore_grok_loongarch_lasx (abfd, note);
+      else
+	return true;
+
     case NT_PRPSINFO:
     case NT_PSINFO:
       if (bed->elf_backend_grok_psinfo)
@@ -12210,6 +12262,55 @@ elfcore_write_arc_v2 (bfd *abfd,
 			     note_name, NT_ARC_V2, arc_v2, size);
 }
 
+char *
+elfcore_write_loongarch_cpucfg (bfd *abfd,
+				char *buf,
+				int *bufsiz,
+				const void *loongarch_cpucfg,
+				int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+			     note_name, NT_LARCH_CPUCFG,
+			     loongarch_cpucfg, size);
+}
+
+char *
+elfcore_write_loongarch_lbt (bfd *abfd,
+			     char *buf,
+			     int *bufsiz,
+			     const void *loongarch_lbt,
+			     int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+			     note_name, NT_LARCH_LBT, loongarch_lbt, size);
+}
+
+char *
+elfcore_write_loongarch_lsx (bfd *abfd,
+			     char *buf,
+			     int *bufsiz,
+			     const void *loongarch_lsx,
+			     int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+			     note_name, NT_LARCH_LSX, loongarch_lsx, size);
+}
+
+char *
+elfcore_write_loongarch_lasx (bfd *abfd,
+			      char *buf,
+			      int *bufsiz,
+			      const void *loongarch_lasx,
+			      int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+			     note_name, NT_LARCH_LASX, loongarch_lasx, size);
+}
+
 /* Write the buffer of csr values in CSRS (length SIZE) into the note
    buffer BUF and update *BUFSIZ.  ABFD is the bfd the note is being
    written into.  Return a pointer to the new start of the note buffer, to
@@ -12334,6 +12435,14 @@ elfcore_write_register_note (bfd *abfd,
     return elfcore_write_gdb_tdesc (abfd, buf, bufsiz, data, size);
   if (strcmp (section, ".reg-riscv-csr") == 0)
     return elfcore_write_riscv_csr (abfd, buf, bufsiz, data, size);
+  if (strcmp (section, ".reg-loongarch-cpucfg") == 0)
+    return elfcore_write_loongarch_cpucfg (abfd, buf, bufsiz, data, size);
+  if (strcmp (section, ".reg-loongarch-lbt") == 0)
+    return elfcore_write_loongarch_lbt (abfd, buf, bufsiz, data, size);
+  if (strcmp (section, ".reg-loongarch-lsx") == 0)
+    return elfcore_write_loongarch_lsx (abfd, buf, bufsiz, data, size);
+  if (strcmp (section, ".reg-loongarch-lasx") == 0)
+    return elfcore_write_loongarch_lasx (abfd, buf, bufsiz, data, size);
   return NULL;
 }
 
diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c
new file mode 100644
index 0000000..406bbcf
--- /dev/null
+++ b/bfd/elfnn-loongarch.c
@@ -0,0 +1,3265 @@
+/* LoongArch-specific support for NN-bit ELF.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Loongson Ltd.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; see the file COPYING3.  If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#include "ansidecl.h"
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#define ARCH_SIZE NN
+#include "elf-bfd.h"
+#include "objalloc.h"
+#include "elf/loongarch.h"
+#include "elfxx-loongarch.h"
+
+static bool
+loongarch_info_to_howto_rela (bfd *abfd, arelent *cache_ptr,
+			      Elf_Internal_Rela *dst)
+{
+  cache_ptr->howto = loongarch_elf_rtype_to_howto (abfd,
+						   ELFNN_R_TYPE (dst->r_info));
+  return cache_ptr->howto != NULL;
+}
+
+/* LoongArch ELF linker hash entry.  */
+struct loongarch_elf_link_hash_entry
+{
+  struct elf_link_hash_entry elf;
+
+  /* Track dynamic relocs copied for this symbol.  */
+  struct elf_dyn_relocs *dyn_relocs;
+
+#define GOT_UNKNOWN 0
+#define GOT_NORMAL  1
+#define GOT_TLS_GD  2
+#define GOT_TLS_IE  4
+#define GOT_TLS_LE  8
+  char tls_type;
+};
+
+#define loongarch_elf_hash_entry(ent)	\
+  ((struct loongarch_elf_link_hash_entry *) (ent))
+
+struct _bfd_loongarch_elf_obj_tdata
+{
+  struct elf_obj_tdata root;
+
+  /* The tls_type for each local got entry.  */
+  char *local_got_tls_type;
+};
+
+#define _bfd_loongarch_elf_tdata(abfd)	\
+  ((struct _bfd_loongarch_elf_obj_tdata *) (abfd)->tdata.any)
+
+#define _bfd_loongarch_elf_local_got_tls_type(abfd)	\
+  (_bfd_loongarch_elf_tdata (abfd)->local_got_tls_type)
+
+#define _bfd_loongarch_elf_tls_type(abfd, h, symndx)			\
+  (*((h) != NULL							\
+     ? &loongarch_elf_hash_entry (h)->tls_type				\
+     : &_bfd_loongarch_elf_local_got_tls_type (abfd)[symndx]))
+
+#define is_loongarch_elf(bfd)						\
+  (bfd_get_flavour (bfd) == bfd_target_elf_flavour			\
+   && elf_tdata (bfd) != NULL						\
+   && elf_object_id (bfd) == LARCH_ELF_DATA)
+
+struct loongarch_elf_link_hash_table
+{
+  struct elf_link_hash_table elf;
+
+  /* Short-cuts to get to dynamic linker sections.  */
+  asection *sdyntdata;
+
+  /* Small local sym to section mapping cache.  */
+  struct sym_cache sym_cache;
+
+  /* Used by local STT_GNU_IFUNC symbols.  */
+  htab_t loc_hash_table;
+  void *loc_hash_memory;
+
+  /* The max alignment of output sections.  */
+  bfd_vma max_alignment;
+};
+
+/* Get the LoongArch ELF linker hash table from a link_info structure.  */
+#define loongarch_elf_hash_table(p)					\
+  (elf_hash_table_id (elf_hash_table (p)) == LARCH_ELF_DATA		\
+   ? ((struct loongarch_elf_link_hash_table *) ((p)->hash))		\
+   : NULL)
+
+#define MINUS_ONE ((bfd_vma) 0 - 1)
+
+#define sec_addr(sec) ((sec)->output_section->vma + (sec)->output_offset)
+
+#define LARCH_ELF_LOG_WORD_BYTES (ARCH_SIZE == 32 ? 2 : 3)
+#define LARCH_ELF_WORD_BYTES (1 << LARCH_ELF_LOG_WORD_BYTES)
+
+#define PLT_HEADER_INSNS 8
+#define PLT_HEADER_SIZE (PLT_HEADER_INSNS * 4)
+
+#define PLT_ENTRY_INSNS 4
+#define PLT_ENTRY_SIZE (PLT_ENTRY_INSNS * 4)
+
+#define GOT_ENTRY_SIZE (LARCH_ELF_WORD_BYTES)
+
+#define GOTPLT_HEADER_SIZE (GOT_ENTRY_SIZE * 2)
+
+#define elf_backend_want_got_plt 1
+
+#define elf_backend_plt_readonly 1
+
+#define elf_backend_want_plt_sym 0
+#define elf_backend_plt_alignment 4
+#define elf_backend_can_gc_sections 1
+/* #define elf_backend_can_refcount 1 */
+#define elf_backend_want_got_sym 1
+
+#define elf_backend_got_header_size (GOT_ENTRY_SIZE * 1)
+
+#define elf_backend_want_dynrelro 1
+/* #define elf_backend_rela_normal 1
+#define elf_backend_default_execstack 0 */
+
+/* Generate a PLT header.  */
+
+static bool
+loongarch_make_plt_header (bfd_vma got_plt_addr, bfd_vma plt_header_addr,
+			   uint32_t *entry)
+{
+  bfd_vma pcrel = got_plt_addr - plt_header_addr;
+  bfd_vma hi, lo;
+
+  if (pcrel + 0x80000800 > 0xffffffff)
+    {
+      _bfd_error_handler (_("%#" PRIx64 " invaild imm"), (uint64_t) pcrel);
+      bfd_set_error (bfd_error_bad_value);
+      return false;
+    }
+  hi = ((pcrel + 0x800) >> 12) & 0xfffff;
+  lo = pcrel & 0xfff;
+
+  /* pcaddu12i  $t2, %hi(%pcrel(.got.plt))
+     sub.[wd]   $t1, $t1, $t3
+     ld.[wd]    $t3, $t2, %lo(%pcrel(.got.plt)) # _dl_runtime_resolve
+     addi.[wd]  $t1, $t1, -(PLT_HEADER_SIZE + 12)
+     addi.[wd]  $t0, $t2, %lo(%pcrel(.got.plt))
+     srli.[wd]  $t1, $t1, log2(16 / GOT_ENTRY_SIZE)
+     ld.[wd]    $t0, $t0, GOT_ENTRY_SIZE
+     jirl   $r0, $t3, 0 */
+
+  if (GOT_ENTRY_SIZE == 8)
+    {
+      entry[0] = 0x1c00000e | (hi & 0xfffff) << 5;
+      entry[1] = 0x0011bdad;
+      entry[2] = 0x28c001cf | (lo & 0xfff) << 10;
+      entry[3] = 0x02c001ad | ((-(PLT_HEADER_SIZE + 12)) & 0xfff) << 10;
+      entry[4] = 0x02c001cc | (lo & 0xfff) << 10;
+      entry[5] = 0x004501ad | (4 - LARCH_ELF_LOG_WORD_BYTES) << 10;
+      entry[6] = 0x28c0018c | GOT_ENTRY_SIZE << 10;
+      entry[7] = 0x4c0001e0;
+    }
+  else
+    {
+      entry[0] = 0x1c00000e | (hi & 0xfffff) << 5;
+      entry[1] = 0x00113dad;
+      entry[2] = 0x288001cf | (lo & 0xfff) << 10;
+      entry[3] = 0x028001ad | ((-(PLT_HEADER_SIZE + 12)) & 0xfff) << 10;
+      entry[4] = 0x028001cc | (lo & 0xfff) << 10;
+      entry[5] = 0x004481ad | (4 - LARCH_ELF_LOG_WORD_BYTES) << 10;
+      entry[6] = 0x2880018c | GOT_ENTRY_SIZE << 10;
+      entry[7] = 0x4c0001e0;
+    }
+  return true;
+}
+
+/* Generate a PLT entry.  */
+
+static bool
+loongarch_make_plt_entry (bfd_vma got_plt_entry_addr, bfd_vma plt_entry_addr,
+			  uint32_t *entry)
+{
+  bfd_vma pcrel = got_plt_entry_addr - plt_entry_addr;
+  bfd_vma hi, lo;
+
+  if (pcrel + 0x80000800 > 0xffffffff)
+    {
+      _bfd_error_handler (_("%#" PRIx64 " invaild imm"), (uint64_t) pcrel);
+      bfd_set_error (bfd_error_bad_value);
+      return false;
+    }
+  hi = ((pcrel + 0x800) >> 12) & 0xfffff;
+  lo = pcrel & 0xfff;
+
+  entry[0] = 0x1c00000f | (hi & 0xfffff) << 5;
+  entry[1] = ((GOT_ENTRY_SIZE == 8 ? 0x28c001ef : 0x288001ef)
+	      | (lo & 0xfff) << 10);
+  entry[2] = 0x4c0001ed;	/* jirl $r13, $15, 0 */
+  entry[3] = 0x03400000;	/* nop */
+
+  return true;
+}
+
+/* Create an entry in an LoongArch ELF linker hash table.  */
+
+static struct bfd_hash_entry *
+link_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
+		   const char *string)
+{
+  struct loongarch_elf_link_hash_entry *eh;
+
+  /* Allocate the structure if it has not already been allocated by a
+     subclass.  */
+  if (entry == NULL)
+    {
+      entry = bfd_hash_allocate (table, sizeof (*eh));
+      if (entry == NULL)
+	return entry;
+    }
+
+  /* Call the allocation method of the superclass.  */
+  entry = _bfd_elf_link_hash_newfunc (entry, table, string);
+  if (entry != NULL)
+    {
+      eh = (struct loongarch_elf_link_hash_entry *) entry;
+      eh->dyn_relocs = NULL;
+      eh->tls_type = GOT_UNKNOWN;
+    }
+
+  return entry;
+}
+
+/* Compute a hash of a local hash entry.  We use elf_link_hash_entry
+  for local symbol so that we can handle local STT_GNU_IFUNC symbols
+  as global symbol.  We reuse indx and dynstr_index for local symbol
+  hash since they aren't used by global symbols in this backend.  */
+
+static hashval_t
+elfNN_loongarch_local_htab_hash (const void *ptr)
+{
+  struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) ptr;
+  return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
+}
+
+/* Compare local hash entries.  */
+
+static int
+elfNN_loongarch_local_htab_eq (const void *ptr1, const void *ptr2)
+{
+  struct elf_link_hash_entry *h1 = (struct elf_link_hash_entry *) ptr1;
+  struct elf_link_hash_entry *h2 = (struct elf_link_hash_entry *) ptr2;
+
+  return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
+}
+
+/* Find and/or create a hash entry for local symbol.  */
+static struct elf_link_hash_entry *
+elfNN_loongarch_get_local_sym_hash (struct loongarch_elf_link_hash_table *htab,
+				    bfd *abfd, const Elf_Internal_Rela *rel,
+				    bool create)
+{
+  struct loongarch_elf_link_hash_entry e, *ret;
+  asection *sec = abfd->sections;
+  hashval_t h = ELF_LOCAL_SYMBOL_HASH (sec->id, ELFNN_R_SYM (rel->r_info));
+  void **slot;
+
+  e.elf.indx = sec->id;
+  e.elf.dynstr_index = ELFNN_R_SYM (rel->r_info);
+  slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
+				   create ? INSERT : NO_INSERT);
+
+  if (!slot)
+    return NULL;
+
+  if (*slot)
+    {
+      ret = (struct loongarch_elf_link_hash_entry *) *slot;
+      return &ret->elf;
+    }
+
+  ret = ((struct loongarch_elf_link_hash_entry *)
+	 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
+			 sizeof (struct loongarch_elf_link_hash_entry)));
+  if (ret)
+    {
+      memset (ret, 0, sizeof (*ret));
+      ret->elf.indx = sec->id;
+      ret->elf.pointer_equality_needed = 0;
+      ret->elf.dynstr_index = ELFNN_R_SYM (rel->r_info);
+      ret->elf.dynindx = -1;
+      ret->elf.needs_plt = 0;
+      ret->elf.plt.refcount = -1;
+      ret->elf.got.refcount = -1;
+      ret->elf.def_dynamic = 0;
+      ret->elf.def_regular = 1;
+      ret->elf.ref_dynamic = 0; /* This should be always 0 for local.  */
+      ret->elf.ref_regular = 0;
+      ret->elf.forced_local = 1;
+      ret->elf.root.type = bfd_link_hash_defined;
+      *slot = ret;
+    }
+  return &ret->elf;
+}
+
+/* Destroy an LoongArch elf linker hash table.  */
+
+static void
+elfNN_loongarch_link_hash_table_free (bfd *obfd)
+{
+  struct loongarch_elf_link_hash_table *ret;
+  ret = (struct loongarch_elf_link_hash_table *) obfd->link.hash;
+
+  if (ret->loc_hash_table)
+    htab_delete (ret->loc_hash_table);
+  if (ret->loc_hash_memory)
+    objalloc_free ((struct objalloc *) ret->loc_hash_memory);
+
+  _bfd_elf_link_hash_table_free (obfd);
+}
+
+/* Create a LoongArch ELF linker hash table.  */
+
+static struct bfd_link_hash_table *
+loongarch_elf_link_hash_table_create (bfd *abfd)
+{
+  struct loongarch_elf_link_hash_table *ret;
+  bfd_size_type amt = sizeof (struct loongarch_elf_link_hash_table);
+
+  ret = (struct loongarch_elf_link_hash_table *) bfd_zmalloc (amt);
+  if (ret == NULL)
+    return NULL;
+
+  if (!_bfd_elf_link_hash_table_init
+      (&ret->elf, abfd, link_hash_newfunc,
+       sizeof (struct loongarch_elf_link_hash_entry), LARCH_ELF_DATA))
+    {
+      free (ret);
+      return NULL;
+    }
+
+  ret->max_alignment = MINUS_ONE;
+
+  ret->loc_hash_table = htab_try_create (1024, elfNN_loongarch_local_htab_hash,
+					 elfNN_loongarch_local_htab_eq, NULL);
+  ret->loc_hash_memory = objalloc_create ();
+  if (!ret->loc_hash_table || !ret->loc_hash_memory)
+    {
+      elfNN_loongarch_link_hash_table_free (abfd);
+      return NULL;
+    }
+  ret->elf.root.hash_table_free = elfNN_loongarch_link_hash_table_free;
+
+  return &ret->elf.root;
+}
+
+/* Merge backend specific data from an object file to the output
+   object file when linking.  */
+
+static bool
+elfNN_loongarch_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
+{
+  bfd *obfd = info->output_bfd;
+  flagword in_flags = elf_elfheader (ibfd)->e_flags;
+  flagword out_flags = elf_elfheader (obfd)->e_flags;
+
+  if (!is_loongarch_elf (ibfd) || !is_loongarch_elf (obfd))
+    return true;
+
+  if (strcmp (bfd_get_target (ibfd), bfd_get_target (obfd)) != 0)
+    {
+      _bfd_error_handler (_("%pB: ABI is incompatible with that of "
+			    "the selected emulation:\n"
+			    "  target emulation `%s' does not match `%s'"),
+			  ibfd, bfd_get_target (ibfd), bfd_get_target (obfd));
+      return false;
+    }
+
+  if (!_bfd_elf_merge_object_attributes (ibfd, info))
+    return false;
+
+  if (!elf_flags_init (obfd))
+    {
+      elf_flags_init (obfd) = true;
+      elf_elfheader (obfd)->e_flags = in_flags;
+      return true;
+    }
+
+  /* Disallow linking different ABIs.  */
+  if ((out_flags ^ in_flags) & EF_LOONGARCH_ABI)
+    {
+      _bfd_error_handler (_("%pB: can't link different ABI object."), ibfd);
+      goto fail;
+    }
+
+  return true;
+
+ fail:
+  bfd_set_error (bfd_error_bad_value);
+  return false;
+}
+
+/* Create the .got section.  */
+
+static bool
+loongarch_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
+{
+  flagword flags;
+  char *name;
+  asection *s, *s_got;
+  struct elf_link_hash_entry *h;
+  const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+  struct elf_link_hash_table *htab = elf_hash_table (info);
+
+  /* This function may be called more than once.  */
+  if (htab->sgot != NULL)
+    return true;
+
+  flags = bed->dynamic_sec_flags;
+  name = bed->rela_plts_and_copies_p ? ".rela.got" : ".rel.got";
+  s = bfd_make_section_anyway_with_flags (abfd, name, flags | SEC_READONLY);
+
+  if (s == NULL || !bfd_set_section_alignment (s, bed->s->log_file_align))
+    return false;
+  htab->srelgot = s;
+
+  s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
+  if (s == NULL || !bfd_set_section_alignment (s, bed->s->log_file_align))
+    return false;
+  htab->sgot = s;
+
+  /* The first bit of the global offset table is the header.  */
+  s->size += bed->got_header_size;
+
+  if (bed->want_got_plt)
+    {
+      s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
+      if (s == NULL || !bfd_set_section_alignment (s, bed->s->log_file_align))
+	return false;
+      htab->sgotplt = s;
+
+      /* Reserve room for the header.  */
+      s->size = GOTPLT_HEADER_SIZE;
+    }
+
+  if (bed->want_got_sym)
+    {
+      /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
+	 section.  We don't do this in the linker script because we don't want
+	 to define the symbol if we are not creating a global offset table.  */
+      h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
+				       "_GLOBAL_OFFSET_TABLE_");
+      elf_hash_table (info)->hgot = h;
+      if (h == NULL)
+	return false;
+    }
+  return true;
+}
+
+/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
+   .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
+   hash table.  */
+
+static bool
+loongarch_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
+{
+  struct loongarch_elf_link_hash_table *htab;
+
+  htab = loongarch_elf_hash_table (info);
+  BFD_ASSERT (htab != NULL);
+
+  if (!loongarch_elf_create_got_section (dynobj, info))
+    return false;
+
+  if (!_bfd_elf_create_dynamic_sections (dynobj, info))
+    return false;
+
+  if (!bfd_link_pic (info))
+    htab->sdyntdata
+      = bfd_make_section_anyway_with_flags (dynobj, ".tdata.dyn",
+					    SEC_ALLOC | SEC_THREAD_LOCAL);
+
+  if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
+      || (!bfd_link_pic (info) && (!htab->elf.srelbss || !htab->sdyntdata)))
+    abort ();
+
+  return true;
+}
+
+static bool
+loongarch_elf_record_tls_and_got_reference (bfd *abfd,
+					    struct bfd_link_info *info,
+					    struct elf_link_hash_entry *h,
+					    unsigned long symndx,
+					    char tls_type)
+{
+  struct loongarch_elf_link_hash_table *htab = loongarch_elf_hash_table (info);
+  Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+
+  /* This is a global offset table entry for a local symbol.  */
+  if (elf_local_got_refcounts (abfd) == NULL)
+    {
+      bfd_size_type size =
+	symtab_hdr->sh_info * (sizeof (bfd_vma) + sizeof (tls_type));
+      if (!(elf_local_got_refcounts (abfd) = bfd_zalloc (abfd, size)))
+	return false;
+      _bfd_loongarch_elf_local_got_tls_type (abfd) =
+	(char *) (elf_local_got_refcounts (abfd) + symtab_hdr->sh_info);
+    }
+
+  switch (tls_type)
+    {
+    case GOT_NORMAL:
+    case GOT_TLS_GD:
+    case GOT_TLS_IE:
+      /* Need GOT.  */
+      if (htab->elf.sgot == NULL
+	  && !loongarch_elf_create_got_section (htab->elf.dynobj, info))
+	return false;
+      if (h)
+	{
+	  if (h->got.refcount < 0)
+	    h->got.refcount = 0;
+	  h->got.refcount++;
+	}
+      else
+	elf_local_got_refcounts (abfd)[symndx]++;
+      break;
+    case GOT_TLS_LE:
+      /* No need for GOT.  */
+      break;
+    default:
+      _bfd_error_handler (_("Internal error: unreachable."));
+      return false;
+    }
+
+  char *new_tls_type = &_bfd_loongarch_elf_tls_type (abfd, h, symndx);
+  *new_tls_type |= tls_type;
+  if ((*new_tls_type & GOT_NORMAL) && (*new_tls_type & ~GOT_NORMAL))
+    {
+      _bfd_error_handler (_("%pB: `%s' accessed both as normal and "
+			    "thread local symbol"),
+			  abfd,
+			  h ? h->root.root.string : "<local>");
+      return false;
+    }
+
+  return true;
+}
+
+/* Look through the relocs for a section during the first phase, and
+   allocate space in the global offset table or procedure linkage
+   table.  */
+
+static bool
+loongarch_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
+			    asection *sec, const Elf_Internal_Rela *relocs)
+{
+  struct loongarch_elf_link_hash_table *htab;
+  Elf_Internal_Shdr *symtab_hdr;
+  struct elf_link_hash_entry **sym_hashes;
+  const Elf_Internal_Rela *rel;
+  asection *sreloc = NULL;
+
+  if (bfd_link_relocatable (info))
+    return true;
+
+  htab = loongarch_elf_hash_table (info);
+  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+  sym_hashes = elf_sym_hashes (abfd);
+
+  if (htab->elf.dynobj == NULL)
+    htab->elf.dynobj = abfd;
+
+  for (rel = relocs; rel < relocs + sec->reloc_count; rel++)
+    {
+      unsigned int r_type;
+      unsigned int r_symndx;
+      struct elf_link_hash_entry *h;
+      Elf_Internal_Sym *isym = NULL;
+
+      int need_dynreloc;
+      int only_need_pcrel;
+
+      r_symndx = ELFNN_R_SYM (rel->r_info);
+      r_type = ELFNN_R_TYPE (rel->r_info);
+
+      if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
+	{
+	  _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
+	  return false;
+	}
+
+      if (r_symndx < symtab_hdr->sh_info)
+	{
+	  /* A local symbol.  */
+	  isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
+	  if (isym == NULL)
+	    return false;
+
+	  if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
+	    {
+	      h = elfNN_loongarch_get_local_sym_hash (htab, abfd, rel, true);
+	      if (h == NULL)
+		return false;
+
+	      h->type = STT_GNU_IFUNC;
+	      h->ref_regular = 1;
+	    }
+	  else
+	    h = NULL;
+	}
+      else
+	{
+	  h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+	  while (h->root.type == bfd_link_hash_indirect
+		 || h->root.type == bfd_link_hash_warning)
+	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
+	}
+
+      if (h && h->type == STT_GNU_IFUNC)
+	{
+	  if (htab->elf.dynobj == NULL)
+	    htab->elf.dynobj = abfd;
+
+	  if (!htab->elf.splt
+	      && !_bfd_elf_create_ifunc_sections (htab->elf.dynobj, info))
+	    /* If '.plt' not represent, create '.iplt' to deal with ifunc.  */
+	    return false;
+
+	  if (h->plt.refcount < 0)
+	    h->plt.refcount = 0;
+	  h->plt.refcount++;
+	  h->needs_plt = 1;
+
+	  elf_tdata (info->output_bfd)->has_gnu_osabi |= elf_gnu_osabi_ifunc;
+	}
+
+      need_dynreloc = 0;
+      only_need_pcrel = 0;
+      switch (r_type)
+	{
+	case R_LARCH_SOP_PUSH_GPREL:
+	  if (!loongarch_elf_record_tls_and_got_reference (abfd, info, h,
+							   r_symndx,
+							   GOT_NORMAL))
+	    return false;
+	  break;
+
+	case R_LARCH_SOP_PUSH_TLS_GD:
+	  if (!loongarch_elf_record_tls_and_got_reference (abfd, info, h,
+							   r_symndx,
+							   GOT_TLS_GD))
+	    return false;
+	  break;
+
+	case R_LARCH_SOP_PUSH_TLS_GOT:
+	  if (bfd_link_pic (info))
+	    /* May fail for lazy-bind.  */
+	    info->flags |= DF_STATIC_TLS;
+
+	  if (!loongarch_elf_record_tls_and_got_reference (abfd, info, h,
+							   r_symndx,
+							   GOT_TLS_IE))
+	    return false;
+	  break;
+
+	case R_LARCH_SOP_PUSH_TLS_TPREL:
+	  if (!bfd_link_executable (info))
+	    return false;
+
+	  info->flags |= DF_STATIC_TLS;
+
+	  if (!loongarch_elf_record_tls_and_got_reference (abfd, info, h,
+							   r_symndx,
+							   GOT_TLS_LE))
+	    return false;
+	  break;
+
+	case R_LARCH_SOP_PUSH_ABSOLUTE:
+	  if (h != NULL)
+	    /* If this reloc is in a read-only section, we might
+	       need a copy reloc.  We can't check reliably at this
+	       stage whether the section is read-only, as input
+	       sections have not yet been mapped to output sections.
+	       Tentatively set the flag for now, and correct in
+	       adjust_dynamic_symbol.  */
+	    h->non_got_ref = 1;
+	  break;
+
+	case R_LARCH_SOP_PUSH_PCREL:
+	  if (h != NULL)
+	    {
+	      h->non_got_ref = 1;
+
+	      /* We try to create PLT stub for all non-local function.  */
+	      if (h->plt.refcount < 0)
+		h->plt.refcount = 0;
+	      h->plt.refcount++;
+	    }
+	  break;
+
+	case R_LARCH_SOP_PUSH_PLT_PCREL:
+	  /* This symbol requires a procedure linkage table entry.  We
+	     actually build the entry in adjust_dynamic_symbol,
+	     because this might be a case of linking PIC code without
+	     linking in any dynamic objects, in which case we don't
+	     need to generate a procedure linkage table after all.  */
+	  if (h != NULL)
+	    {
+	      h->needs_plt = 1;
+	      if (h->plt.refcount < 0)
+		h->plt.refcount = 0;
+	      h->plt.refcount++;
+	    }
+	  break;
+
+	case R_LARCH_TLS_DTPREL32:
+	case R_LARCH_TLS_DTPREL64:
+	  need_dynreloc = 1;
+	  only_need_pcrel = 1;
+	  break;
+
+	case R_LARCH_JUMP_SLOT:
+	case R_LARCH_32:
+	case R_LARCH_64:
+	  need_dynreloc = 1;
+
+	  /* If resolved symbol is defined in this object,
+	     1. Under pie, the symbol is known.  We convert it
+	     into R_LARCH_RELATIVE and need load-addr still.
+	     2. Under pde, the symbol is known and we can discard R_LARCH_NN.
+	     3. Under dll, R_LARCH_NN can't be changed normally, since
+	     its defination could be covered by the one in executable.
+	     For symbolic, we convert it into R_LARCH_RELATIVE.
+	     Thus, only under pde, it needs pcrel only.  We discard it.  */
+	  only_need_pcrel = bfd_link_pde (info);
+
+	  if (h != NULL)
+	    h->non_got_ref = 1;
+	  break;
+
+	case R_LARCH_GNU_VTINHERIT:
+	  if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+	    return false;
+	  break;
+
+	case R_LARCH_GNU_VTENTRY:
+	  if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+	    return false;
+	  break;
+
+	default:
+	  break;
+	}
+
+      /* Record some info for sizing and allocating dynamic entry.  */
+      if (need_dynreloc && (sec->flags & SEC_ALLOC))
+	{
+	  /* When creating a shared object, we must copy these
+	     relocs into the output file.  We create a reloc
+	     section in dynobj and make room for the reloc.  */
+	  struct elf_dyn_relocs *p;
+	  struct elf_dyn_relocs **head;
+
+	  if (sreloc == NULL)
+	    {
+	      sreloc
+		= _bfd_elf_make_dynamic_reloc_section (sec, htab->elf.dynobj,
+						       LARCH_ELF_LOG_WORD_BYTES,
+						       abfd, /*rela?*/ true);
+	      if (sreloc == NULL)
+		return false;
+	    }
+
+	  /* If this is a global symbol, we count the number of
+	     relocations we need for this symbol.  */
+	  if (h != NULL)
+	    head = &((struct loongarch_elf_link_hash_entry *) h)->dyn_relocs;
+	  else
+	    {
+	      /* Track dynamic relocs needed for local syms too.
+		 We really need local syms available to do this
+		 easily.  Oh well.  */
+
+	      asection *s;
+	      void *vpp;
+
+	      s = bfd_section_from_elf_index (abfd, isym->st_shndx);
+	      if (s == NULL)
+		s = sec;
+
+	      vpp = &elf_section_data (s)->local_dynrel;
+	      head = (struct elf_dyn_relocs **) vpp;
+	    }
+
+	  p = *head;
+	  if (p == NULL || p->sec != sec)
+	    {
+	      bfd_size_type amt = sizeof *p;
+	      p = (struct elf_dyn_relocs *) bfd_alloc (htab->elf.dynobj, amt);
+	      if (p == NULL)
+		return false;
+	      p->next = *head;
+	      *head = p;
+	      p->sec = sec;
+	      p->count = 0;
+	      p->pc_count = 0;
+	    }
+
+	  p->count++;
+	  p->pc_count += only_need_pcrel;
+	}
+    }
+
+  return true;
+}
+
+/* Find dynamic relocs for H that apply to read-only sections.  */
+
+static asection *
+readonly_dynrelocs (struct elf_link_hash_entry *h)
+{
+  struct elf_dyn_relocs *p;
+
+  for (p = loongarch_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
+    {
+      asection *s = p->sec->output_section;
+
+      if (s != NULL && (s->flags & SEC_READONLY) != 0)
+	return p->sec;
+    }
+  return NULL;
+}
+
+/* Adjust a symbol defined by a dynamic object and referenced by a
+   regular object.  The current definition is in some section of the
+   dynamic object, but we're not including those sections.  We have to
+   change the definition to something the rest of the link can
+   understand.  */
+static bool
+loongarch_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
+				     struct elf_link_hash_entry *h)
+{
+  struct loongarch_elf_link_hash_table *htab;
+  struct loongarch_elf_link_hash_entry *eh;
+  bfd *dynobj;
+  asection *s, *srel;
+
+  htab = loongarch_elf_hash_table (info);
+  BFD_ASSERT (htab != NULL);
+
+  dynobj = htab->elf.dynobj;
+
+  /* Make sure we know what is going on here.  */
+  BFD_ASSERT (dynobj != NULL
+	      && (h->needs_plt || h->type == STT_GNU_IFUNC || h->is_weakalias
+		  || (h->def_dynamic && h->ref_regular && !h->def_regular)));
+
+  /* If this is a function, put it in the procedure linkage table.  We
+     will fill in the contents of the procedure linkage table later
+     (although we could actually do it here).  */
+  if (h->type == STT_FUNC || h->type == STT_GNU_IFUNC || h->needs_plt)
+    {
+      if (h->plt.refcount < 0
+	  || (h->type != STT_GNU_IFUNC
+	      && (SYMBOL_REFERENCES_LOCAL (info, h)
+		  || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+		      && h->root.type == bfd_link_hash_undefweak))))
+	{
+	  /* This case can occur if we saw a R_LARCH_SOP_PUSH_PLT_PCREL reloc
+	     in an input file, but the symbol was never referred to by a
+	     dynamic object, or if all references were garbage collected.
+	     In such a case, we don't actually need to build a PLT entry.  */
+	  h->plt.offset = MINUS_ONE;
+	  h->needs_plt = 0;
+	}
+      else
+	h->needs_plt = 1;
+
+      return true;
+    }
+  else
+    h->plt.offset = MINUS_ONE;
+
+  /* If this is a weak symbol, and there is a real definition, the
+     processor independent code will have arranged for us to see the
+     real definition first, and we can just use the same value.  */
+  if (h->is_weakalias)
+    {
+      struct elf_link_hash_entry *def = weakdef (h);
+      BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+      h->root.u.def.section = def->root.u.def.section;
+      h->root.u.def.value = def->root.u.def.value;
+      return true;
+    }
+
+  /* This is a reference to a symbol defined by a dynamic object which
+     is not a function.  */
+
+  /* If we are creating a shared library, we must presume that the
+     only references to the symbol are via the global offset table.
+     For such cases we need not do anything here; the relocations will
+     be handled correctly by relocate_section.  */
+  if (bfd_link_dll (info))
+    return true;
+
+  /* If there are no references to this symbol that do not use the
+     GOT, we don't need to generate a copy reloc.  */
+  if (!h->non_got_ref)
+    return true;
+
+  /* If -z nocopyreloc was given, we won't generate them either.  */
+  if (info->nocopyreloc)
+    {
+      h->non_got_ref = 0;
+      return true;
+    }
+
+  /* If we don't find any dynamic relocs in read-only sections, then
+     we'll be keeping the dynamic relocs and avoiding the copy reloc.  */
+  if (!readonly_dynrelocs (h))
+    {
+      h->non_got_ref = 0;
+      return true;
+    }
+
+  /* We must allocate the symbol in our .dynbss section, which will
+     become part of the .bss section of the executable.  There will be
+     an entry for this symbol in the .dynsym section.  The dynamic
+     object will contain position independent code, so all references
+     from the dynamic object to this symbol will go through the global
+     offset table.  The dynamic linker will use the .dynsym entry to
+     determine the address it must put in the global offset table, so
+     both the dynamic object and the regular object will refer to the
+     same memory location for the variable.  */
+
+  /* We must generate a R_LARCH_COPY reloc to tell the dynamic linker
+     to copy the initial value out of the dynamic object and into the
+     runtime process image.  We need to remember the offset into the
+     .rel.bss section we are going to use.  */
+  eh = (struct loongarch_elf_link_hash_entry *) h;
+  if (eh->tls_type & ~GOT_NORMAL)
+    {
+      s = htab->sdyntdata;
+      srel = htab->elf.srelbss;
+    }
+  else if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
+    {
+      s = htab->elf.sdynrelro;
+      srel = htab->elf.sreldynrelro;
+    }
+  else
+    {
+      s = htab->elf.sdynbss;
+      srel = htab->elf.srelbss;
+    }
+  if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
+    {
+      srel->size += sizeof (ElfNN_External_Rela);
+      h->needs_copy = 1;
+    }
+
+  return _bfd_elf_adjust_dynamic_copy (info, h, s);
+}
+
+/* Allocate space in .plt, .got and associated reloc sections for
+   dynamic relocs.  */
+
+static bool
+allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
+{
+  struct bfd_link_info *info;
+  struct loongarch_elf_link_hash_table *htab;
+  struct loongarch_elf_link_hash_entry *eh;
+  struct elf_dyn_relocs *p;
+
+  if (h->root.type == bfd_link_hash_indirect)
+    return true;
+
+  eh = (struct loongarch_elf_link_hash_entry *) h;
+  info = (struct bfd_link_info *) inf;
+  htab = loongarch_elf_hash_table (info);
+  BFD_ASSERT (htab != NULL);
+
+  do
+    {
+      asection *plt, *gotplt, *relplt;
+
+      if (!h->needs_plt)
+	break;
+
+      h->needs_plt = 0;
+
+      if (htab->elf.splt)
+	{
+	  if (h->dynindx == -1 && !h->forced_local
+	      && !bfd_elf_link_record_dynamic_symbol (info, h))
+	    return false;
+
+	  if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
+	      && h->type != STT_GNU_IFUNC)
+	    break;
+
+	  plt = htab->elf.splt;
+	  gotplt = htab->elf.sgotplt;
+	  relplt = htab->elf.srelplt;
+	}
+      else if (htab->elf.iplt)
+	{
+	  /* .iplt only for IFUNC.  */
+	  if (h->type != STT_GNU_IFUNC)
+	    break;
+
+	  plt = htab->elf.iplt;
+	  gotplt = htab->elf.igotplt;
+	  relplt = htab->elf.irelplt;
+	}
+      else
+	break;
+
+      if (plt->size == 0)
+	plt->size = PLT_HEADER_SIZE;
+
+      h->plt.offset = plt->size;
+      plt->size += PLT_ENTRY_SIZE;
+      gotplt->size += GOT_ENTRY_SIZE;
+      relplt->size += sizeof (ElfNN_External_Rela);
+
+      h->needs_plt = 1;
+    }
+  while (0);
+
+  if (!h->needs_plt)
+    h->plt.offset = MINUS_ONE;
+
+  if (0 < h->got.refcount)
+    {
+      asection *s;
+      bool dyn;
+      int tls_type = loongarch_elf_hash_entry (h)->tls_type;
+
+      /* Make sure this symbol is output as a dynamic symbol.
+	 Undefined weak syms won't yet be marked as dynamic.  */
+      if (h->dynindx == -1 && !h->forced_local
+	  && !bfd_elf_link_record_dynamic_symbol (info, h))
+	return false;
+
+      s = htab->elf.sgot;
+      h->got.offset = s->size;
+      dyn = htab->elf.dynamic_sections_created;
+      if (tls_type & (GOT_TLS_GD | GOT_TLS_IE))
+	{
+	  /* TLS_GD needs two dynamic relocs and two GOT slots.  */
+	  if (tls_type & GOT_TLS_GD)
+	    {
+	      s->size += 2 * GOT_ENTRY_SIZE;
+	      htab->elf.srelgot->size += 2 * sizeof (ElfNN_External_Rela);
+	    }
+
+	  /* TLS_IE needs one dynamic reloc and one GOT slot.  */
+	  if (tls_type & GOT_TLS_IE)
+	    {
+	      s->size += GOT_ENTRY_SIZE;
+	      htab->elf.srelgot->size += sizeof (ElfNN_External_Rela);
+	    }
+	}
+      else
+	{
+	  s->size += GOT_ENTRY_SIZE;
+	  if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
+	       && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+	      || h->type == STT_GNU_IFUNC)
+	    htab->elf.srelgot->size += sizeof (ElfNN_External_Rela);
+	}
+    }
+  else
+    h->got.offset = MINUS_ONE;
+
+  if (eh->dyn_relocs == NULL)
+    return true;
+
+  if (SYMBOL_REFERENCES_LOCAL (info, h))
+    {
+      struct elf_dyn_relocs **pp;
+
+      for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
+	{
+	  p->count -= p->pc_count;
+	  p->pc_count = 0;
+	  if (p->count == 0)
+	    *pp = p->next;
+	  else
+	    pp = &p->next;
+	}
+    }
+
+  if (h->root.type == bfd_link_hash_undefweak)
+    {
+      if (UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+	eh->dyn_relocs = NULL;
+      else if (h->dynindx == -1 && !h->forced_local
+	       /* Make sure this symbol is output as a dynamic symbol.
+		  Undefined weak syms won't yet be marked as dynamic.  */
+	       && !bfd_elf_link_record_dynamic_symbol (info, h))
+	return false;
+    }
+
+  for (p = eh->dyn_relocs; p != NULL; p = p->next)
+    {
+      asection *sreloc = elf_section_data (p->sec)->sreloc;
+      sreloc->size += p->count * sizeof (ElfNN_External_Rela);
+    }
+
+  return true;
+}
+
+static bool
+elfNN_loongarch_allocate_local_dynrelocs (void **slot, void *inf)
+{
+  struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) *slot;
+
+  if (!h->def_regular || !h->ref_regular || !h->forced_local
+      || h->root.type != bfd_link_hash_defined)
+    abort ();
+
+  return allocate_dynrelocs (h, inf);
+}
+
+/* Set DF_TEXTREL if we find any dynamic relocs that apply to
+   read-only sections.  */
+
+static bool
+maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
+{
+  asection *sec;
+
+  if (h->root.type == bfd_link_hash_indirect)
+    return true;
+
+  sec = readonly_dynrelocs (h);
+  if (sec != NULL)
+    {
+      struct bfd_link_info *info = (struct bfd_link_info *) info_p;
+
+      info->flags |= DF_TEXTREL;
+      info->callbacks->minfo (_("%pB: dynamic relocation against `%pT' in "
+				"read-only section `%pA'\n"),
+			      sec->owner, h->root.root.string, sec);
+
+      /* Not an error, just cut short the traversal.  */
+      return false;
+    }
+  return true;
+}
+
+static bool
+loongarch_elf_size_dynamic_sections (bfd *output_bfd,
+				     struct bfd_link_info *info)
+{
+  struct loongarch_elf_link_hash_table *htab;
+  bfd *dynobj;
+  asection *s;
+  bfd *ibfd;
+
+  htab = loongarch_elf_hash_table (info);
+  BFD_ASSERT (htab != NULL);
+  dynobj = htab->elf.dynobj;
+  BFD_ASSERT (dynobj != NULL);
+
+  if (htab->elf.dynamic_sections_created)
+    {
+      /* Set the contents of the .interp section to the interpreter.  */
+      if (bfd_link_executable (info) && !info->nointerp)
+	{
+	  const char *interpreter;
+	  flagword flags = elf_elfheader (output_bfd)->e_flags;
+	  s = bfd_get_linker_section (dynobj, ".interp");
+	  BFD_ASSERT (s != NULL);
+	  if (EF_LOONGARCH_IS_ILP32 (flags))
+	    interpreter = "/lib32/ld.so.1";
+	  else if (EF_LOONGARCH_IS_LP64 (flags))
+	    interpreter = "/lib64/ld.so.1";
+	  else
+	    interpreter = "/lib/ld.so.1";
+	  s->contents = (unsigned char *) interpreter;
+	  s->size = strlen (interpreter) + 1;
+	}
+    }
+
+  /* Set up .got offsets for local syms, and space for local dynamic
+     relocs.  */
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
+    {
+      bfd_signed_vma *local_got;
+      bfd_signed_vma *end_local_got;
+      char *local_tls_type;
+      bfd_size_type locsymcount;
+      Elf_Internal_Shdr *symtab_hdr;
+      asection *srel;
+
+      if (!is_loongarch_elf (ibfd))
+	continue;
+
+      for (s = ibfd->sections; s != NULL; s = s->next)
+	{
+	  struct elf_dyn_relocs *p;
+
+	  for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
+	    {
+	      p->count -= p->pc_count;
+	      if (!bfd_is_abs_section (p->sec)
+		  && bfd_is_abs_section (p->sec->output_section))
+		{
+		  /* Input section has been discarded, either because
+		     it is a copy of a linkonce section or due to
+		     linker script /DISCARD/, so we'll be discarding
+		     the relocs too.  */
+		}
+	      else if (0 < p->count)
+		{
+		  srel = elf_section_data (p->sec)->sreloc;
+		  srel->size += p->count * sizeof (ElfNN_External_Rela);
+		  if ((p->sec->output_section->flags & SEC_READONLY) != 0)
+		    info->flags |= DF_TEXTREL;
+		}
+	    }
+	}
+
+      local_got = elf_local_got_refcounts (ibfd);
+      if (!local_got)
+	continue;
+
+      symtab_hdr = &elf_symtab_hdr (ibfd);
+      locsymcount = symtab_hdr->sh_info;
+      end_local_got = local_got + locsymcount;
+      local_tls_type = _bfd_loongarch_elf_local_got_tls_type (ibfd);
+      s = htab->elf.sgot;
+      srel = htab->elf.srelgot;
+      for (; local_got < end_local_got; ++local_got, ++local_tls_type)
+	{
+	  if (0 < *local_got)
+	    {
+	      *local_got = s->size;
+	      s->size += GOT_ENTRY_SIZE;
+
+	      if (*local_tls_type & GOT_TLS_GD)
+		s->size += GOT_ENTRY_SIZE;
+
+	      /* If R_LARCH_RELATIVE.  */
+	      if (bfd_link_pic (info)
+		  /* Or R_LARCH_TLS_DTPRELNN or R_LARCH_TLS_TPRELNN.  */
+		  || (*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE)))
+		srel->size += sizeof (ElfNN_External_Rela);
+	    }
+	  else
+	    *local_got = MINUS_ONE;
+	}
+    }
+
+  /* Allocate global sym .plt and .got entries, and space for global
+     sym dynamic relocs.  */
+  elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
+  /* Allocate .plt and .got entries, and space for local ifunc symbols.  */
+  htab_traverse (htab->loc_hash_table,
+		 (void *) elfNN_loongarch_allocate_local_dynrelocs, info);
+
+  /* Don't allocate .got.plt section if there are no PLT.  */
+  if (htab->elf.sgotplt && htab->elf.sgotplt->size == GOTPLT_HEADER_SIZE
+      && (htab->elf.splt == NULL || htab->elf.splt->size == 0))
+    htab->elf.sgotplt->size = 0;
+
+  /* The check_relocs and adjust_dynamic_symbol entry points have
+     determined the sizes of the various dynamic sections.  Allocate
+     memory for them.  */
+  for (s = dynobj->sections; s != NULL; s = s->next)
+    {
+      if ((s->flags & SEC_LINKER_CREATED) == 0)
+	continue;
+
+      if (s == htab->elf.splt || s == htab->elf.iplt || s == htab->elf.sgot
+	  || s == htab->elf.sgotplt || s == htab->elf.igotplt
+	  || s == htab->elf.sdynbss || s == htab->elf.sdynrelro)
+	{
+	  /* Strip this section if we don't need it; see the
+	     comment below.  */
+	}
+      else if (strncmp (s->name, ".rela", 5) == 0)
+	{
+	  if (s->size != 0)
+	    {
+	      /* We use the reloc_count field as a counter if we need
+		 to copy relocs into the output file.  */
+	      s->reloc_count = 0;
+	    }
+	}
+      else
+	{
+	  /* It's not one of our sections.  */
+	  continue;
+	}
+
+      if (s->size == 0)
+	{
+	  /* If we don't need this section, strip it from the
+	     output file.  This is mostly to handle .rela.bss and
+	     .rela.plt.  We must create both sections in
+	     create_dynamic_sections, because they must be created
+	     before the linker maps input sections to output
+	     sections.  The linker does that before
+	     adjust_dynamic_symbol is called, and it is that
+	     function which decides whether anything needs to go
+	     into these sections.  */
+	  s->flags |= SEC_EXCLUDE;
+	  continue;
+	}
+
+      if ((s->flags & SEC_HAS_CONTENTS) == 0)
+	continue;
+
+      /* Allocate memory for the section contents.  Zero the memory
+	 for the benefit of .rela.plt, which has 4 unused entries
+	 at the beginning, and we don't want garbage.  */
+      s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+      if (s->contents == NULL)
+	return false;
+    }
+
+  if (elf_hash_table (info)->dynamic_sections_created)
+    {
+      /* Add some entries to the .dynamic section.  We fill in the
+	 values later, in loongarch_elf_finish_dynamic_sections, but we
+	 must add the entries now so that we get the correct size for
+	 the .dynamic section.  The DT_DEBUG entry is filled in by the
+	 dynamic linker and used by the debugger.  */
+#define add_dynamic_entry(TAG, VAL) _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
+      if (bfd_link_executable (info))
+	{
+	  if (!add_dynamic_entry (DT_DEBUG, 0))
+	    return false;
+	}
+
+      if (htab->elf.srelplt->size != 0)
+	{
+	  if (!add_dynamic_entry (DT_PLTGOT, 0)
+	      || !add_dynamic_entry (DT_PLTRELSZ, 0)
+	      || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+	      || !add_dynamic_entry (DT_JMPREL, 0))
+	    return false;
+	}
+
+      if (!add_dynamic_entry (DT_RELA, 0)
+	  || !add_dynamic_entry (DT_RELASZ, 0)
+	  || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela)))
+	return false;
+
+      /* If any dynamic relocs apply to a read-only section,
+	 then we need a DT_TEXTREL entry.  */
+      if ((info->flags & DF_TEXTREL) == 0)
+	elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
+
+      if (info->flags & DF_TEXTREL)
+	{
+	  if (!add_dynamic_entry (DT_TEXTREL, 0))
+	    return false;
+	  /* Clear the DF_TEXTREL flag.  It will be set again if we
+	     write out an actual text relocation; we may not, because
+	     at this point we do not know whether e.g.  any .eh_frame
+	     absolute relocations have been converted to PC-relative.  */
+	  info->flags &= ~DF_TEXTREL;
+	}
+    }
+#undef add_dynamic_entry
+
+  return true;
+}
+
+#define LARCH_LD_STACK_DEPTH 16
+static int64_t larch_opc_stack[LARCH_LD_STACK_DEPTH];
+static size_t larch_stack_top = 0;
+
+static bfd_reloc_status_type
+loongarch_push (int64_t val)
+{
+  if (LARCH_LD_STACK_DEPTH <= larch_stack_top)
+    return bfd_reloc_outofrange;
+  larch_opc_stack[larch_stack_top++] = val;
+  return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+loongarch_pop (int64_t *val)
+{
+  if (larch_stack_top == 0)
+    return bfd_reloc_outofrange;
+  BFD_ASSERT (val);
+  *val = larch_opc_stack[--larch_stack_top];
+  return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+loongarch_top (int64_t *val)
+{
+  if (larch_stack_top == 0)
+    return bfd_reloc_outofrange;
+  BFD_ASSERT (val);
+  *val = larch_opc_stack[larch_stack_top - 1];
+  return bfd_reloc_ok;
+}
+
+static void
+loongarch_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
+{
+  const struct elf_backend_data *bed;
+  bfd_byte *loc;
+
+  bed = get_elf_backend_data (abfd);
+  loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
+  bed->s->swap_reloca_out (abfd, rel, loc);
+}
+
+/* Check rel->r_offset in range of contents.  */
+static bfd_reloc_status_type
+loongarch_check_offset (const Elf_Internal_Rela *rel,
+			const asection *input_section)
+{
+  if (0 == strcmp(input_section->name, ".text")
+      && rel->r_offset > input_section->size)
+    return bfd_reloc_overflow;
+
+  return bfd_reloc_ok;
+}
+
+
+#define LARCH_RELOC_PERFORM_3OP(op1, op2, op3)	      \
+  ({						      \
+    bfd_reloc_status_type ret = loongarch_pop (&op2); \
+    if (ret == bfd_reloc_ok)			      \
+      {						      \
+	ret = loongarch_pop (&op1);		      \
+	if (ret == bfd_reloc_ok)		      \
+	  ret = loongarch_push (op3);		      \
+      }						      \
+    ret;					      \
+   })
+
+#define LARCH_RELOC_UINT32_BIT_MASK(bitsize) \
+  (~((0x1U << (bitsize)) - 1))
+
+static bfd_reloc_status_type
+loongarch_reloc_rewrite_imm_insn (const Elf_Internal_Rela *rel,
+				  const asection *input_section ATTRIBUTE_UNUSED,
+				  reloc_howto_type *howto, bfd *input_bfd,
+				  bfd_byte *contents, int64_t op,
+				  bool is_signed)
+{
+  /* Check op low bits if rightshift != 0, before rightshift  */
+  if (howto->rightshift
+      && (((0x1U << howto->rightshift) - 1) & op))
+    return bfd_reloc_overflow;
+
+  uint32_t imm = (uint32_t)(int32_t)(op >> howto->rightshift);
+
+  if (is_signed)
+    {
+      if (op >= 0)
+	{
+	  if (LARCH_RELOC_UINT32_BIT_MASK (howto->bitsize - 1) & imm)
+	    return bfd_reloc_overflow;
+	}
+      else
+	{
+	  if ((LARCH_RELOC_UINT32_BIT_MASK (howto->bitsize - 1) & imm)
+	      != LARCH_RELOC_UINT32_BIT_MASK (howto->bitsize - 1))
+	    return bfd_reloc_overflow;
+	}
+    }
+  else
+    {
+      if (LARCH_RELOC_UINT32_BIT_MASK (howto->bitsize) & imm)
+	return bfd_reloc_overflow;
+    }
+
+  int bits = bfd_get_reloc_size (howto) * 8;
+  uint32_t insn = bfd_get (bits, input_bfd, contents + rel->r_offset);
+
+  imm = imm & ((0x1U << howto->bitsize) - 1);
+  imm <<= howto->bitpos;
+  insn = ((insn & howto->src_mask)
+	  | ((insn & (~(uint32_t) howto->dst_mask)) | imm));
+  bfd_put (bits, input_bfd, insn, contents + rel->r_offset);
+
+  return bfd_reloc_ok;
+}
+
+/* Emplace a static relocation.  */
+
+static bfd_reloc_status_type
+perform_relocation (const Elf_Internal_Rela *rel, asection *input_section,
+		    reloc_howto_type *howto, bfd_vma value,
+		    bfd *input_bfd, bfd_byte *contents)
+{
+  uint32_t insn1;
+  int64_t opr1, opr2, opr3;
+  bfd_reloc_status_type r = bfd_reloc_ok;
+  int bits = bfd_get_reloc_size (howto) * 8;
+
+
+  switch (ELFNN_R_TYPE (rel->r_info))
+    {
+    case R_LARCH_SOP_PUSH_PCREL:
+    case R_LARCH_SOP_PUSH_ABSOLUTE:
+    case R_LARCH_SOP_PUSH_GPREL:
+    case R_LARCH_SOP_PUSH_TLS_TPREL:
+    case R_LARCH_SOP_PUSH_TLS_GOT:
+    case R_LARCH_SOP_PUSH_TLS_GD:
+    case R_LARCH_SOP_PUSH_PLT_PCREL:
+      r = loongarch_push (value);
+      break;
+
+    case R_LARCH_SOP_PUSH_DUP:
+      r = loongarch_pop (&opr1);
+      if (r == bfd_reloc_ok)
+	{
+	  r = loongarch_push (opr1);
+	  if (r == bfd_reloc_ok)
+	    r = loongarch_push (opr1);
+	}
+      break;
+
+    case R_LARCH_SOP_ASSERT:
+      r = loongarch_pop (&opr1);
+      if (r != bfd_reloc_ok || !opr1)
+	r = bfd_reloc_notsupported;
+      break;
+
+    case R_LARCH_SOP_NOT:
+      r = loongarch_pop (&opr1);
+      if (r == bfd_reloc_ok)
+	r = loongarch_push (!opr1);
+      break;
+
+    case R_LARCH_SOP_SUB:
+      r = LARCH_RELOC_PERFORM_3OP (opr1, opr2, opr1 - opr2);
+      break;
+
+    case R_LARCH_SOP_SL:
+      r = LARCH_RELOC_PERFORM_3OP (opr1, opr2, opr1 << opr2);
+      break;
+
+    case R_LARCH_SOP_SR:
+      r = LARCH_RELOC_PERFORM_3OP (opr1, opr2, opr1 >> opr2);
+      break;
+
+    case R_LARCH_SOP_AND:
+      r = LARCH_RELOC_PERFORM_3OP (opr1, opr2, opr1 & opr2);
+      break;
+
+    case R_LARCH_SOP_ADD:
+      r = LARCH_RELOC_PERFORM_3OP (opr1, opr2, opr1 + opr2);
+      break;
+
+    case R_LARCH_SOP_IF_ELSE:
+      r = loongarch_pop (&opr3);
+      if (r == bfd_reloc_ok)
+	{
+	  r = loongarch_pop (&opr2);
+	  if (r == bfd_reloc_ok)
+	    {
+	      r = loongarch_pop (&opr1);
+	      if (r == bfd_reloc_ok)
+		r = loongarch_push (opr1 ? opr2 : opr3);
+	    }
+	}
+      break;
+
+    case R_LARCH_SOP_POP_32_S_10_5:
+    case R_LARCH_SOP_POP_32_S_10_12:
+    case R_LARCH_SOP_POP_32_S_10_16:
+    case R_LARCH_SOP_POP_32_S_10_16_S2:
+    case R_LARCH_SOP_POP_32_S_5_20:
+      r = loongarch_pop (&opr1);
+      if (r != bfd_reloc_ok)
+	break;
+      r = loongarch_check_offset (rel, input_section);
+      if (r != bfd_reloc_ok)
+	break;
+
+      r = loongarch_reloc_rewrite_imm_insn (rel, input_section,
+					    howto, input_bfd,
+					    contents, opr1, true);
+      break;
+
+    case R_LARCH_SOP_POP_32_U_10_12:
+      r = loongarch_pop (&opr1);
+      if (r != bfd_reloc_ok)
+	break;
+      r = loongarch_check_offset (rel, input_section);
+      if (r != bfd_reloc_ok)
+	break;
+
+      r = loongarch_reloc_rewrite_imm_insn (rel, input_section,
+					    howto, input_bfd,
+					    contents, opr1, false);
+      break;
+
+    case R_LARCH_SOP_POP_32_S_0_5_10_16_S2:
+      {
+	r = loongarch_pop (&opr1);
+	if (r != bfd_reloc_ok)
+	  break;
+
+	if ((opr1 & 0x3) != 0)
+	  {
+	    r = bfd_reloc_overflow;
+	    break;
+	  }
+
+	uint32_t imm = opr1 >> howto->rightshift;
+	if ((imm & (~0xfffffU)) && ((imm & (~0xfffffU)) != (~0xfffffU)))
+	  {
+	    r = bfd_reloc_overflow;
+	    break;
+	  }
+
+	r = loongarch_check_offset (rel, input_section);
+	if (r != bfd_reloc_ok)
+	  break;
+
+	insn1 = bfd_get (bits, input_bfd, contents + rel->r_offset);
+	insn1 = ((insn1 & howto->src_mask)
+		 | ((imm & 0xffffU) << 10)
+		 | ((imm & 0x1f0000U) >> 16));
+	bfd_put (bits, input_bfd, insn1, contents + rel->r_offset);
+	break;
+      }
+
+    case R_LARCH_SOP_POP_32_S_0_10_10_16_S2:
+      {
+	r = loongarch_pop (&opr1);
+	if (r != bfd_reloc_ok)
+	  break;
+
+	if ((opr1 & 0x3) != 0)
+	  {
+	    r = bfd_reloc_overflow;
+	    break;
+	  }
+
+	uint32_t imm = opr1 >> howto->rightshift;
+	if ((imm & (~0x1ffffffU)) && (imm & (~0x1ffffffU)) != (~0x1ffffffU))
+	  {
+	    r = bfd_reloc_overflow;
+	    break;
+	  }
+
+	r = loongarch_check_offset (rel, input_section);
+	if (r != bfd_reloc_ok)
+	  break;
+
+	insn1 = bfd_get (bits, input_bfd, contents + rel->r_offset);
+	insn1 = ((insn1 & howto->src_mask)
+		 | ((imm & 0xffffU) << 10)
+		 | ((imm & 0x3ff0000U) >> 16));
+	bfd_put (bits, input_bfd, insn1, contents + rel->r_offset);
+	break;
+      }
+
+    case R_LARCH_SOP_POP_32_U:
+      r = loongarch_pop (&opr1);
+      if (r != bfd_reloc_ok)
+	break;
+      if ((uint64_t)opr1 & ~(uint64_t) 0xffffffff)
+	r = bfd_reloc_overflow;
+      if (r != bfd_reloc_ok)
+	break;
+      r = loongarch_check_offset (rel, input_section);
+      if (r != bfd_reloc_ok)
+	break;
+
+      bfd_put (bits, input_bfd, opr1, contents + rel->r_offset);
+      break;
+
+    case R_LARCH_TLS_DTPREL32:
+    case R_LARCH_32:
+    case R_LARCH_TLS_DTPREL64:
+    case R_LARCH_64:
+      r = loongarch_check_offset (rel, input_section);
+      if (r != bfd_reloc_ok)
+	break;
+
+      bfd_put (bits, input_bfd, value, contents + rel->r_offset);
+      break;
+
+    case R_LARCH_ADD8:
+    case R_LARCH_ADD16:
+    case R_LARCH_ADD24:
+    case R_LARCH_ADD32:
+    case R_LARCH_ADD64:
+      r = loongarch_check_offset (rel, input_section);
+      if (r != bfd_reloc_ok)
+	break;
+
+      opr1 = bfd_get (bits, input_bfd, contents + rel->r_offset);
+      bfd_put (bits, input_bfd, opr1 + value, contents + rel->r_offset);
+      break;
+
+    case R_LARCH_SUB8:
+    case R_LARCH_SUB16:
+    case R_LARCH_SUB24:
+    case R_LARCH_SUB32:
+    case R_LARCH_SUB64:
+      r = loongarch_check_offset (rel, input_section);
+      if (r != bfd_reloc_ok)
+	break;
+
+      opr1 = bfd_get (bits, input_bfd, contents + rel->r_offset);
+      bfd_put (bits, input_bfd, opr1 - value, contents + rel->r_offset);
+      break;
+
+    default:
+      r = bfd_reloc_notsupported;
+    }
+  return r;
+}
+
+#define LARCH_RECENT_RELOC_QUEUE_LENGTH 72
+static struct
+{
+  bfd *bfd;
+  asection *section;
+  bfd_vma r_offset;
+  int r_type;
+  bfd_vma relocation;
+  Elf_Internal_Sym *sym;
+  struct elf_link_hash_entry *h;
+  bfd_vma addend;
+  int64_t top_then;
+} larch_reloc_queue[LARCH_RECENT_RELOC_QUEUE_LENGTH];
+static size_t larch_reloc_queue_head = 0;
+static size_t larch_reloc_queue_tail = 0;
+
+static const char *
+loongarch_sym_name (bfd *input_bfd, struct elf_link_hash_entry *h,
+		    Elf_Internal_Sym *sym)
+{
+  const char *ret = NULL;
+  if (sym)
+    ret = bfd_elf_string_from_elf_section (input_bfd,
+					   elf_symtab_hdr (input_bfd).sh_link,
+					   sym->st_name);
+  else if (h)
+    ret = h->root.root.string;
+
+  if (ret == NULL || *ret == '\0')
+    ret = "<nameless>";
+  return ret;
+}
+
+static void
+loongarch_record_one_reloc (bfd *abfd, asection *section, int r_type,
+			    bfd_vma r_offset, Elf_Internal_Sym *sym,
+			    struct elf_link_hash_entry *h, bfd_vma addend)
+{
+  if ((larch_reloc_queue_head == 0
+       && larch_reloc_queue_tail == LARCH_RECENT_RELOC_QUEUE_LENGTH - 1)
+      || larch_reloc_queue_head == larch_reloc_queue_tail + 1)
+    larch_reloc_queue_head =
+      (larch_reloc_queue_head + 1) % LARCH_RECENT_RELOC_QUEUE_LENGTH;
+  larch_reloc_queue[larch_reloc_queue_tail].bfd = abfd;
+  larch_reloc_queue[larch_reloc_queue_tail].section = section;
+  larch_reloc_queue[larch_reloc_queue_tail].r_offset = r_offset;
+  larch_reloc_queue[larch_reloc_queue_tail].r_type = r_type;
+  larch_reloc_queue[larch_reloc_queue_tail].sym = sym;
+  larch_reloc_queue[larch_reloc_queue_tail].h = h;
+  larch_reloc_queue[larch_reloc_queue_tail].addend = addend;
+  loongarch_top (&larch_reloc_queue[larch_reloc_queue_tail].top_then);
+  larch_reloc_queue_tail =
+    (larch_reloc_queue_tail + 1) % LARCH_RECENT_RELOC_QUEUE_LENGTH;
+}
+
+static void
+loongarch_dump_reloc_record (void (*p) (const char *fmt, ...))
+{
+  size_t i = larch_reloc_queue_head;
+  bfd *a_bfd = NULL;
+  asection *section = NULL;
+  bfd_vma r_offset = 0;
+  int inited = 0;
+  p ("Dump relocate record:\n");
+  p ("stack top\t\trelocation name\t\tsymbol");
+  while (i != larch_reloc_queue_tail)
+    {
+      if (a_bfd != larch_reloc_queue[i].bfd
+	  || section != larch_reloc_queue[i].section
+	  || r_offset != larch_reloc_queue[i].r_offset)
+	{
+	  a_bfd = larch_reloc_queue[i].bfd;
+	  section = larch_reloc_queue[i].section;
+	  r_offset = larch_reloc_queue[i].r_offset;
+	  p ("\nat %pB(%pA+0x%v):\n", larch_reloc_queue[i].bfd,
+	     larch_reloc_queue[i].section, larch_reloc_queue[i].r_offset);
+	}
+
+      if (!inited)
+	inited = 1, p ("...\n");
+
+      reloc_howto_type *howto =
+	loongarch_elf_rtype_to_howto (larch_reloc_queue[i].bfd,
+				      larch_reloc_queue[i].r_type);
+      p ("0x%V %s\t`%s'", (bfd_vma) larch_reloc_queue[i].top_then,
+	 howto ? howto->name : "<unknown reloc>",
+	 loongarch_sym_name (larch_reloc_queue[i].bfd, larch_reloc_queue[i].h,
+			     larch_reloc_queue[i].sym));
+
+      long addend = larch_reloc_queue[i].addend;
+      if (addend < 0)
+	p (" - %ld", -addend);
+      else if (0 < addend)
+	p (" + %ld(0x%v)", addend, larch_reloc_queue[i].addend);
+
+      p ("\n");
+      i = (i + 1) % LARCH_RECENT_RELOC_QUEUE_LENGTH;
+    }
+  p ("\n"
+     "-- Record dump end --\n\n");
+}
+
+
+static bool
+loongarch_reloc_is_fatal (struct bfd_link_info *info,
+			  bfd *input_bfd,
+			  asection *input_section,
+			  Elf_Internal_Rela *rel,
+			  reloc_howto_type *howto,
+			  bfd_reloc_status_type rtype,
+			  bool is_undefweak,
+			  const char *name,
+			  const char *msg)
+{
+  bool fatal = true;
+  switch (rtype)
+    {
+      /* 'dangerous' means we do it but can't promise it's ok
+	 'unsupport' means out of ability of relocation type
+	 'undefined' means we can't deal with the undefined symbol.  */
+    case bfd_reloc_undefined:
+      info->callbacks->undefined_symbol (info, name, input_bfd, input_section,
+					 rel->r_offset, true);
+      info->callbacks->info ("%X%pB(%pA+0x%v): error: %s against %s`%s':\n%s\n",
+			     input_bfd, input_section, rel->r_offset,
+			     howto->name,
+			     is_undefweak ? "[undefweak] " : "", name, msg);
+      break;
+    case bfd_reloc_dangerous:
+      info->callbacks->info ("%pB(%pA+0x%v): warning: %s against %s`%s':\n%s\n",
+			     input_bfd, input_section, rel->r_offset,
+			     howto->name,
+			     is_undefweak ? "[undefweak] " : "", name, msg);
+      fatal = false;
+      break;
+    case bfd_reloc_notsupported:
+      info->callbacks->info ("%X%pB(%pA+0x%v): error: %s against %s`%s':\n%s\n",
+			     input_bfd, input_section, rel->r_offset,
+			     howto->name,
+			     is_undefweak ? "[undefweak] " : "", name, msg);
+      break;
+    default:
+      break;
+    }
+  return fatal;
+}
+
+
+
+
+static int
+loongarch_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
+				bfd *input_bfd, asection *input_section,
+				bfd_byte *contents, Elf_Internal_Rela *relocs,
+				Elf_Internal_Sym *local_syms,
+				asection **local_sections)
+{
+  Elf_Internal_Rela *rel;
+  Elf_Internal_Rela *relend;
+  bool fatal = false;
+  asection *sreloc = elf_section_data (input_section)->sreloc;
+  struct loongarch_elf_link_hash_table *htab = loongarch_elf_hash_table (info);
+  Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (input_bfd);
+  struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+  bfd_vma *local_got_offsets = elf_local_got_offsets (input_bfd);
+  bool is_pic = bfd_link_pic (info);
+  bool is_dyn = elf_hash_table (info)->dynamic_sections_created;
+  asection *plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
+  asection *got = htab->elf.sgot;
+
+  relend = relocs + input_section->reloc_count;
+  for (rel = relocs; rel < relend; rel++)
+    {
+      int r_type = ELFNN_R_TYPE (rel->r_info);
+      unsigned long r_symndx = ELFNN_R_SYM (rel->r_info);
+      bfd_vma pc = sec_addr (input_section) + rel->r_offset;
+      reloc_howto_type *howto = NULL;
+      asection *sec = NULL;
+      Elf_Internal_Sym *sym = NULL;
+      struct elf_link_hash_entry *h = NULL;
+      const char *name;
+      bfd_reloc_status_type r = bfd_reloc_ok;
+      bool is_ie, is_undefweak, unresolved_reloc, defined_local;
+      bool resolved_local, resolved_dynly, resolved_to_const;
+      char tls_type;
+      bfd_vma relocation;
+      bfd_vma off, ie_off;
+      int i, j;
+
+      howto = loongarch_elf_rtype_to_howto (input_bfd, r_type);
+      if (howto == NULL || r_type == R_LARCH_GNU_VTINHERIT
+	  || r_type == R_LARCH_GNU_VTENTRY)
+	continue;
+
+      /* This is a final link.  */
+      if (r_symndx < symtab_hdr->sh_info)
+	{
+	  is_undefweak = false;
+	  unresolved_reloc = false;
+	  sym = local_syms + r_symndx;
+	  sec = local_sections[r_symndx];
+	  relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+
+	  /* Relocate against local STT_GNU_IFUNC symbol.  */
+	  if (!bfd_link_relocatable (info)
+	      && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
+	    {
+	      h = elfNN_loongarch_get_local_sym_hash (htab, input_bfd, rel,
+						      false);
+	      if (h == NULL)
+		abort ();
+
+	      /* Set STT_GNU_IFUNC symbol value.  */
+	      h->root.u.def.value = sym->st_value;
+	      h->root.u.def.section = sec;
+	    }
+	  defined_local = true;
+	  resolved_local = true;
+	  resolved_dynly = false;
+	  resolved_to_const = false;
+	  if (bfd_link_relocatable (info)
+	      && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+	    rel->r_addend += sec->output_offset;
+	}
+      else
+	{
+	  bool warned, ignored;
+
+	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+				   r_symndx, symtab_hdr, sym_hashes,
+				   h, sec, relocation,
+				   unresolved_reloc, warned, ignored);
+	  /* Here means symbol isn't local symbol only and 'h != NULL'.  */
+
+	  /* The 'unresolved_syms_in_objects' specify how to deal with undefined
+	     symbol.  And 'dynamic_undefined_weak' specify what to do when
+	     meeting undefweak.  */
+
+	  if ((is_undefweak = h->root.type == bfd_link_hash_undefweak))
+	    {
+	      defined_local = false;
+	      resolved_local = false;
+	      resolved_to_const = (!is_dyn || h->dynindx == -1
+				   || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
+	      resolved_dynly = !resolved_local && !resolved_to_const;
+	    }
+	  else if (warned)
+	    {
+	      /* Symbol undefined offen means failed already.  I don't know why
+		 'warned' here but I guess it want to continue relocating as if
+		 no error occures to find other errors as more as possible.  */
+
+	      /* To avoid generating warning messages about truncated
+		 relocations, set the relocation's address to be the same as
+		 the start of this section.  */
+	      relocation = (input_section->output_section
+			    ? input_section->output_section->vma
+			    : 0);
+
+	      defined_local = relocation != 0;
+	      resolved_local = defined_local;
+	      resolved_to_const = !resolved_local;
+	      resolved_dynly = false;
+	    }
+	  else
+	    {
+	      defined_local = !unresolved_reloc && !ignored;
+	      resolved_local =
+		defined_local && SYMBOL_REFERENCES_LOCAL (info, h);
+	      resolved_dynly = !resolved_local;
+	      resolved_to_const = !resolved_local && !resolved_dynly;
+	    }
+	}
+
+      name = loongarch_sym_name (input_bfd, h, sym);
+
+      if (sec != NULL && discarded_section (sec))
+	RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, rel,
+					 1, relend, howto, 0, contents);
+
+      if (bfd_link_relocatable (info))
+	continue;
+
+      /* The r_symndx will be STN_UNDEF (zero) only for relocs against symbols
+	 from removed linkonce sections, or sections discarded by a linker
+	 script.  Also for R_*_SOP_PUSH_ABSOLUTE and PCREL to specify const.  */
+      if (r_symndx == STN_UNDEF || bfd_is_abs_section (sec))
+	{
+	  defined_local = false;
+	  resolved_local = false;
+	  resolved_dynly = false;
+	  resolved_to_const = true;
+	}
+
+      if (h && h->type == STT_GNU_IFUNC)
+	{
+	  if (h->plt.offset == MINUS_ONE)
+	    info->callbacks->info ("%X%pB(%pA+0x%v): error: %s against `%s':\n"
+				   "STT_GNU_IFUNC must have PLT stub"
+				   "\n",
+				   input_bfd, input_section,
+				   (bfd_vma) rel->r_offset, howto->name, name);
+	  defined_local = true;
+	  resolved_local = true;
+	  resolved_dynly = false;
+	  resolved_to_const = false;
+	  relocation = sec_addr (plt) + h->plt.offset;
+	}
+
+      unresolved_reloc = resolved_dynly;
+
+      BFD_ASSERT (resolved_local + resolved_dynly + resolved_to_const == 1);
+
+      BFD_ASSERT (!resolved_dynly || (h && h->dynindx != -1));
+
+      BFD_ASSERT (!resolved_local || defined_local);
+
+      is_ie = false;
+      switch (r_type)
+	{
+	case R_LARCH_MARK_PCREL:
+	case R_LARCH_MARK_LA:
+	case R_LARCH_NONE:
+	  r = bfd_reloc_continue;
+	  unresolved_reloc = false;
+	  break;
+
+	case R_LARCH_32:
+	case R_LARCH_64:
+	  if (resolved_dynly || (is_pic && resolved_local))
+	    {
+	      Elf_Internal_Rela outrel;
+
+	      /* When generating a shared object, these relocations are copied
+		 into the output file to be resolved at run time.  */
+
+	      outrel.r_offset = _bfd_elf_section_offset (output_bfd, info,
+							 input_section,
+							 rel->r_offset);
+
+	      unresolved_reloc = (!((bfd_vma) -2 <= outrel.r_offset)
+				  && (input_section->flags & SEC_ALLOC));
+
+	      outrel.r_offset += sec_addr (input_section);
+	      if (resolved_dynly)
+		{
+		  outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type);
+		  outrel.r_addend = rel->r_addend;
+		}
+	      else
+		{
+		  outrel.r_info = ELFNN_R_INFO (0, R_LARCH_RELATIVE);
+		  outrel.r_addend = relocation + rel->r_addend;
+		}
+
+	      if (unresolved_reloc)
+		loongarch_elf_append_rela (output_bfd, sreloc, &outrel);
+	    }
+
+	  relocation += rel->r_addend;
+	  break;
+
+	case R_LARCH_ADD8:
+	case R_LARCH_ADD16:
+	case R_LARCH_ADD24:
+	case R_LARCH_ADD32:
+	case R_LARCH_ADD64:
+	case R_LARCH_SUB8:
+	case R_LARCH_SUB16:
+	case R_LARCH_SUB24:
+	case R_LARCH_SUB32:
+	case R_LARCH_SUB64:
+	  if (resolved_dynly)
+	    fatal = (loongarch_reloc_is_fatal
+		     (info, input_bfd, input_section, rel, howto,
+		      bfd_reloc_undefined, is_undefweak, name,
+		      "Can't be resolved dynamically.  "
+		      "If this procedure is hand-written assembly,\n"
+		      "there must be something like '.dword sym1 - sym2' "
+		      "to generate these relocs\n"
+		      "and we can't get known link-time address of "
+		      "these symbols."));
+	  else
+	    relocation += rel->r_addend;
+	  break;
+
+	case R_LARCH_TLS_DTPREL32:
+	case R_LARCH_TLS_DTPREL64:
+	  if (resolved_dynly)
+	    {
+	      Elf_Internal_Rela outrel;
+
+	      outrel.r_offset = _bfd_elf_section_offset (output_bfd, info,
+							 input_section,
+							 rel->r_offset);
+	      unresolved_reloc = (!((bfd_vma) -2 <= outrel.r_offset)
+				  && (input_section->flags & SEC_ALLOC));
+	      outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type);
+	      outrel.r_offset += sec_addr (input_section);
+	      outrel.r_addend = rel->r_addend;
+	      if (unresolved_reloc)
+		loongarch_elf_append_rela (output_bfd, sreloc, &outrel);
+	      break;
+	    }
+
+	  if (resolved_to_const)
+	    fatal = loongarch_reloc_is_fatal (info, input_bfd, input_section,
+					      rel, howto,
+					      bfd_reloc_notsupported,
+					      is_undefweak, name,
+					      "Internal:");
+	  break;
+
+	case R_LARCH_SOP_PUSH_TLS_TPREL:
+	  if (resolved_local)
+	    {
+	      if (!elf_hash_table (info)->tls_sec)
+		fatal = (loongarch_reloc_is_fatal
+			 (info, input_bfd, input_section, rel, howto,
+			  bfd_reloc_notsupported, is_undefweak, name,
+			  "TLS section not be created"));
+	      else
+		relocation -= elf_hash_table (info)->tls_sec->vma;
+	    }
+	  else
+	    fatal = (loongarch_reloc_is_fatal
+		     (info, input_bfd, input_section, rel, howto,
+		      bfd_reloc_undefined, is_undefweak, name,
+		      "TLS LE just can be resolved local only."));
+	  break;
+
+	case R_LARCH_SOP_PUSH_ABSOLUTE:
+	  if (is_undefweak)
+	    {
+	      if (resolved_dynly)
+		fatal = (loongarch_reloc_is_fatal
+			 (info, input_bfd, input_section, rel, howto,
+			  bfd_reloc_dangerous, is_undefweak, name,
+			  "Someone require us to resolve undefweak "
+			  "symbol dynamically.  \n"
+			  "But this reloc can't be done.  "
+			  "I think I can't throw error "
+			  "for this\n"
+			  "so I resolved it to 0.  "
+			  "I suggest to re-compile with '-fpic'."));
+
+	      relocation = 0;
+	      unresolved_reloc = false;
+	      break;
+	    }
+
+	  if (resolved_to_const)
+	    {
+	      relocation += rel->r_addend;
+	      break;
+	    }
+
+	  if (is_pic)
+	    {
+	      fatal = (loongarch_reloc_is_fatal
+		       (info, input_bfd, input_section, rel, howto,
+			bfd_reloc_notsupported, is_undefweak, name,
+			"Under PIC we don't know load address.  Re-compile "
+			"with '-fpic'?"));
+	      break;
+	    }
+
+	  if (resolved_dynly)
+	    {
+	      if (!(plt && h && h->plt.offset != MINUS_ONE))
+		{
+		  fatal = (loongarch_reloc_is_fatal
+			   (info, input_bfd, input_section, rel, howto,
+			    bfd_reloc_undefined, is_undefweak, name,
+			    "Can't be resolved dynamically.  Try to re-compile "
+			    "with '-fpic'?"));
+		  break;
+		}
+
+	      if (rel->r_addend != 0)
+		{
+		  fatal = (loongarch_reloc_is_fatal
+			   (info, input_bfd, input_section, rel, howto,
+			    bfd_reloc_notsupported, is_undefweak, name,
+			    "Shouldn't be with r_addend."));
+		  break;
+		}
+
+	      relocation = sec_addr (plt) + h->plt.offset;
+	      unresolved_reloc = false;
+	      break;
+	    }
+
+	  if (resolved_local)
+	    {
+	      relocation += rel->r_addend;
+	      break;
+	    }
+
+	  break;
+
+	case R_LARCH_SOP_PUSH_PCREL:
+	case R_LARCH_SOP_PUSH_PLT_PCREL:
+	  unresolved_reloc = false;
+
+	  if (resolved_to_const)
+	    {
+	      relocation += rel->r_addend;
+	      break;
+	    }
+	  else if (is_undefweak)
+	    {
+	      i = 0, j = 0;
+	      relocation = 0;
+	      if (resolved_dynly)
+		{
+		  if (h && h->plt.offset != MINUS_ONE)
+		    i = 1, j = 2;
+		  else
+		    fatal = (loongarch_reloc_is_fatal
+			     (info, input_bfd, input_section, rel, howto,
+			      bfd_reloc_dangerous, is_undefweak, name,
+			      "Undefweak need to be resolved dynamically, "
+			      "but PLT stub doesn't represent."));
+		}
+	    }
+	  else
+	    {
+	      if (!(defined_local || (h && h->plt.offset != MINUS_ONE)))
+		{
+		  fatal = (loongarch_reloc_is_fatal
+			   (info, input_bfd, input_section, rel, howto,
+			    bfd_reloc_undefined, is_undefweak, name,
+			    "PLT stub does not represent and "
+			    "symbol not defined."));
+		  break;
+		}
+
+	      if (resolved_local)
+		i = 0, j = 2;
+	      else /* if (resolved_dynly) */
+		{
+		  if (!(h && h->plt.offset != MINUS_ONE))
+		    fatal = (loongarch_reloc_is_fatal
+			     (info, input_bfd, input_section, rel, howto,
+			      bfd_reloc_dangerous, is_undefweak, name,
+			      "Internal: PLT stub doesn't represent.  "
+			      "Resolve it with pcrel"));
+		  i = 1, j = 3;
+		}
+	    }
+
+	  for (; i < j; i++)
+	    {
+	      if ((i & 1) == 0 && defined_local)
+		{
+		  relocation -= pc;
+		  relocation += rel->r_addend;
+		  break;
+		}
+
+	      if ((i & 1) && h && h->plt.offset != MINUS_ONE)
+		{
+		  if (rel->r_addend != 0)
+		    {
+		      fatal = (loongarch_reloc_is_fatal
+			       (info, input_bfd, input_section, rel, howto,
+				bfd_reloc_notsupported, is_undefweak, name,
+				"PLT shouldn't be with r_addend."));
+		      break;
+		    }
+		  relocation = sec_addr (plt) + h->plt.offset - pc;
+		  break;
+		}
+	    }
+	  break;
+
+	case R_LARCH_SOP_PUSH_GPREL:
+	  unresolved_reloc = false;
+
+	  if (rel->r_addend != 0)
+	    {
+	      fatal = (loongarch_reloc_is_fatal
+		       (info, input_bfd, input_section, rel, howto,
+			bfd_reloc_notsupported, is_undefweak, name,
+			"Shouldn't be with r_addend."));
+	      break;
+	    }
+
+	  if (h != NULL)
+	    {
+	      off = h->got.offset;
+
+	      if (off == MINUS_ONE)
+		{
+		  fatal = (loongarch_reloc_is_fatal
+			   (info, input_bfd, input_section, rel, howto,
+			    bfd_reloc_notsupported, is_undefweak, name,
+			    "Internal: GOT entry doesn't represent."));
+		  break;
+		}
+
+	      if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (is_dyn, is_pic, h)
+		  || (is_pic && SYMBOL_REFERENCES_LOCAL (info, h)))
+		{
+		  /* This is actually a static link, or it is a
+		     -Bsymbolic link and the symbol is defined
+		     locally, or the symbol was forced to be local
+		     because of a version file.  We must initialize
+		     this entry in the global offset table.  Since the
+		     offset must always be a multiple of the word size,
+		     we use the least significant bit to record whether
+		     we have initialized it already.
+
+		     When doing a dynamic link, we create a .rela.got
+		     relocation entry to initialize the value.  This
+		     is done in the finish_dynamic_symbol routine.  */
+
+		  if (resolved_dynly)
+		    {
+		      fatal = (loongarch_reloc_is_fatal
+			       (info, input_bfd, input_section, rel, howto,
+				bfd_reloc_dangerous, is_undefweak, name,
+				"Internal: here shouldn't dynamic."));
+		    }
+
+		  if (!(defined_local || resolved_to_const))
+		    {
+		      fatal = (loongarch_reloc_is_fatal
+			       (info, input_bfd, input_section, rel, howto,
+				bfd_reloc_undefined, is_undefweak, name,
+				"Internal: "));
+		      break;
+		    }
+
+		  if ((off & 1) != 0)
+		    off &= ~1;
+		  else
+		    {
+		      bfd_put_NN (output_bfd, relocation, got->contents + off);
+		      h->got.offset |= 1;
+		    }
+		}
+	    }
+	  else
+	    {
+	      if (!local_got_offsets)
+		{
+		  fatal = (loongarch_reloc_is_fatal
+			   (info, input_bfd, input_section, rel, howto,
+			    bfd_reloc_notsupported, is_undefweak, name,
+			    "Internal: local got offsets not reporesent."));
+		  break;
+		}
+
+	      off = local_got_offsets[r_symndx];
+
+	      if (off == MINUS_ONE)
+		{
+		  fatal = (loongarch_reloc_is_fatal
+			   (info, input_bfd, input_section, rel, howto,
+			    bfd_reloc_notsupported, is_undefweak, name,
+			    "Internal: GOT entry doesn't represent."));
+		  break;
+		}
+
+	      /* The offset must always be a multiple of the word size.
+		 So, we can use the least significant bit to record
+		 whether we have already processed this entry.  */
+	      if ((off & 1) != 0)
+		off &= ~1;
+	      else
+		{
+		  if (is_pic)
+		    {
+		      asection *s;
+		      Elf_Internal_Rela outrel;
+		      /* We need to generate a R_LARCH_RELATIVE reloc
+			 for the dynamic linker.  */
+		      s = htab->elf.srelgot;
+		      if (!s)
+			{
+			  fatal = (loongarch_reloc_is_fatal
+				   (info, input_bfd, input_section, rel, howto,
+				    bfd_reloc_notsupported, is_undefweak, name,
+				    "Internal: '.rel.got' not represent"));
+			  break;
+			}
+
+		      outrel.r_offset = sec_addr (got) + off;
+		      outrel.r_info = ELFNN_R_INFO (0, R_LARCH_RELATIVE);
+		      outrel.r_addend = relocation; /* Link-time addr.  */
+		      loongarch_elf_append_rela (output_bfd, s, &outrel);
+		    }
+
+		  bfd_put_NN (output_bfd, relocation, got->contents + off);
+		  local_got_offsets[r_symndx] |= 1;
+		}
+	    }
+	  relocation = off;
+	  break;
+
+	case R_LARCH_SOP_PUSH_TLS_GOT:
+	case R_LARCH_SOP_PUSH_TLS_GD:
+	  if (r_type == R_LARCH_SOP_PUSH_TLS_GOT)
+	    is_ie = true;
+	  unresolved_reloc = false;
+
+	  if (rel->r_addend != 0)
+	    {
+	      fatal = (loongarch_reloc_is_fatal
+		       (info, input_bfd, input_section, rel, howto,
+			bfd_reloc_notsupported, is_undefweak, name,
+			"Shouldn't be with r_addend."));
+	      break;
+	    }
+
+
+	  if (resolved_to_const && is_undefweak && h->dynindx != -1)
+	    {
+	      /* What if undefweak? Let rtld make a decision.  */
+	      resolved_to_const = resolved_local = false;
+	      resolved_dynly = true;
+	    }
+
+	  if (resolved_to_const)
+	    {
+	      fatal = (loongarch_reloc_is_fatal
+		       (info, input_bfd, input_section, rel, howto,
+			bfd_reloc_notsupported, is_undefweak, name,
+			"Internal: Shouldn't be resolved to const."));
+	      break;
+	    }
+
+	  if (h != NULL)
+	    {
+	      off = h->got.offset;
+	      h->got.offset |= 1;
+	    }
+	  else
+	    {
+	      off = local_got_offsets[r_symndx];
+	      local_got_offsets[r_symndx] |= 1;
+	    }
+
+	  if (off == MINUS_ONE)
+	    {
+	      fatal = (loongarch_reloc_is_fatal
+		       (info, input_bfd, input_section, rel, howto,
+			bfd_reloc_notsupported, is_undefweak, name,
+			"Internal: TLS GOT entry doesn't represent."));
+	      break;
+	    }
+
+	  tls_type = _bfd_loongarch_elf_tls_type (input_bfd, h, r_symndx);
+
+	  /* If this symbol is referenced by both GD and IE TLS, the IE
+	     reference's GOT slot follows the GD reference's slots.  */
+	  ie_off = 0;
+	  if ((tls_type & GOT_TLS_GD) && (tls_type & GOT_TLS_IE))
+	    ie_off = 2 * GOT_ENTRY_SIZE;
+
+	  if ((off & 1) != 0)
+	    off &= ~1;
+	  else
+	    {
+	      bfd_vma tls_block_off = 0;
+	      Elf_Internal_Rela outrel;
+
+	      if (resolved_local)
+		{
+		  if (!elf_hash_table (info)->tls_sec)
+		    {
+		      fatal = (loongarch_reloc_is_fatal
+			       (info, input_bfd, input_section, rel, howto,
+				bfd_reloc_notsupported, is_undefweak, name,
+				"Internal: TLS sec not represent."));
+		      break;
+		    }
+		  tls_block_off =
+		    relocation - elf_hash_table (info)->tls_sec->vma;
+		}
+
+	      if (tls_type & GOT_TLS_GD)
+		{
+		  outrel.r_offset = sec_addr (got) + off;
+		  outrel.r_addend = 0;
+		  bfd_put_NN (output_bfd, 0, got->contents + off);
+		  if (resolved_local && bfd_link_executable (info))
+		    bfd_put_NN (output_bfd, 1, got->contents + off);
+		  else if (resolved_local /* && !bfd_link_executable (info) */)
+		    {
+		      outrel.r_info = ELFNN_R_INFO (0, R_LARCH_TLS_DTPMODNN);
+		      loongarch_elf_append_rela (output_bfd, htab->elf.srelgot,
+						 &outrel);
+		    }
+		  else /* if (resolved_dynly) */
+		    {
+		      outrel.r_info =
+			ELFNN_R_INFO (h->dynindx, R_LARCH_TLS_DTPMODNN);
+		      loongarch_elf_append_rela (output_bfd, htab->elf.srelgot,
+						 &outrel);
+		    }
+
+		  outrel.r_offset += GOT_ENTRY_SIZE;
+		  bfd_put_NN (output_bfd, tls_block_off,
+			      got->contents + off + GOT_ENTRY_SIZE);
+		  if (resolved_local)
+		    /* DTPREL known.  */;
+		  else /* if (resolved_dynly) */
+		    {
+		      outrel.r_info =
+			ELFNN_R_INFO (h->dynindx, R_LARCH_TLS_DTPRELNN);
+		      loongarch_elf_append_rela (output_bfd, htab->elf.srelgot,
+						 &outrel);
+		    }
+		}
+
+	      if (tls_type & GOT_TLS_IE)
+		{
+		  outrel.r_offset = sec_addr (got) + off + ie_off;
+		  bfd_put_NN (output_bfd, tls_block_off,
+			      got->contents + off + ie_off);
+		  if (resolved_local && bfd_link_executable (info))
+		    /* TPREL known.  */;
+		  else if (resolved_local /* && !bfd_link_executable (info) */)
+		    {
+		      outrel.r_info = ELFNN_R_INFO (0, R_LARCH_TLS_TPRELNN);
+		      outrel.r_addend = tls_block_off;
+		      loongarch_elf_append_rela (output_bfd, htab->elf.srelgot,
+						 &outrel);
+		    }
+		  else /* if (resolved_dynly) */
+		    {
+		      outrel.r_info =
+			ELFNN_R_INFO (h->dynindx, R_LARCH_TLS_TPRELNN);
+		      outrel.r_addend = 0;
+		      loongarch_elf_append_rela (output_bfd, htab->elf.srelgot,
+						 &outrel);
+		    }
+		}
+	    }
+
+	  relocation = off + (is_ie ? ie_off : 0);
+	  break;
+
+	default:
+	  break;
+	}
+
+      if (fatal)
+	break;
+
+      do
+	{
+	  /* 'unresolved_reloc' means we haven't done it yet.
+	     We need help of dynamic linker to fix this memory location up.  */
+	  if (!unresolved_reloc)
+	    break;
+
+	  if (_bfd_elf_section_offset (output_bfd, info, input_section,
+				       rel->r_offset) == MINUS_ONE)
+	    /* WHY? May because it's invalid so skip checking.
+	       But why dynamic reloc a invalid section? */
+	    break;
+
+	  if (input_section->output_section->flags & SEC_DEBUGGING)
+	    {
+	      fatal = (loongarch_reloc_is_fatal
+		       (info, input_bfd, input_section, rel, howto,
+			bfd_reloc_dangerous, is_undefweak, name,
+			"Seems dynamic linker not process "
+			"sections 'SEC_DEBUGGING'."));
+	    }
+	  if (!is_dyn)
+	    break;
+
+	  if ((info->flags & DF_TEXTREL) == 0)
+	    if (input_section->output_section->flags & SEC_READONLY)
+	      info->flags |= DF_TEXTREL;
+	}
+      while (0);
+
+      if (fatal)
+	break;
+
+      loongarch_record_one_reloc (input_bfd, input_section, r_type,
+				  rel->r_offset, sym, h, rel->r_addend);
+
+      if (r != bfd_reloc_continue)
+	r = perform_relocation (rel, input_section, howto, relocation,
+				input_bfd, contents);
+
+      switch (r)
+	{
+	case bfd_reloc_dangerous:
+	case bfd_reloc_continue:
+	case bfd_reloc_ok:
+	  continue;
+
+	case bfd_reloc_overflow:
+	  /* Overflow value can't be filled in.  */
+	  loongarch_dump_reloc_record (info->callbacks->info);
+	  info->callbacks->reloc_overflow
+	    (info, h ? &h->root : NULL, name, howto->name, rel->r_addend,
+	     input_bfd, input_section, rel->r_offset);
+	  break;
+
+	case bfd_reloc_outofrange:
+	  /* Stack state incorrect.  */
+	  loongarch_dump_reloc_record (info->callbacks->info);
+	  info->callbacks->info
+	    ("%X%H: Internal stack state is incorrect.\n"
+	     "Want to push to full stack or pop from empty stack?\n",
+	     input_bfd, input_section, rel->r_offset);
+	  break;
+
+	case bfd_reloc_notsupported:
+	  info->callbacks->info ("%X%H: Unknown relocation type.\n", input_bfd,
+				 input_section, rel->r_offset);
+	  break;
+
+	default:
+	  info->callbacks->info ("%X%H: Internal: unknown error.\n", input_bfd,
+				 input_section, rel->r_offset);
+	  break;
+	}
+
+      fatal = true;
+      break;
+    }
+
+  return !fatal;
+}
+
+/* Finish up dynamic symbol handling.  We set the contents of various
+   dynamic sections here.  */
+
+static bool
+loongarch_elf_finish_dynamic_symbol (bfd *output_bfd,
+				     struct bfd_link_info *info,
+				     struct elf_link_hash_entry *h,
+				     Elf_Internal_Sym *sym)
+{
+  struct loongarch_elf_link_hash_table *htab = loongarch_elf_hash_table (info);
+  const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
+  asection *plt = NULL;
+
+  if (h->plt.offset != MINUS_ONE)
+    {
+      size_t i, plt_idx;
+      asection *gotplt, *relplt;
+      bfd_vma got_address;
+      uint32_t plt_entry[PLT_ENTRY_INSNS];
+      bfd_byte *loc;
+      Elf_Internal_Rela rela;
+
+      plt_idx = (h->plt.offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
+
+      /* One of '.plt' and '.iplt' represents.  */
+      BFD_ASSERT (!!htab->elf.splt ^ !!htab->elf.iplt);
+
+      if (htab->elf.splt)
+	{
+	  BFD_ASSERT ((h->type == STT_GNU_IFUNC
+		       && SYMBOL_REFERENCES_LOCAL (info, h))
+		      || h->dynindx != -1);
+
+	  plt = htab->elf.splt;
+	  gotplt = htab->elf.sgotplt;
+	  relplt = htab->elf.srelplt;
+	  got_address =
+	    sec_addr (gotplt) + GOTPLT_HEADER_SIZE + plt_idx * GOT_ENTRY_SIZE;
+	}
+      else /* if (htab->elf.iplt) */
+	{
+	  BFD_ASSERT (h->type == STT_GNU_IFUNC
+		      && SYMBOL_REFERENCES_LOCAL (info, h));
+
+	  plt = htab->elf.iplt;
+	  gotplt = htab->elf.igotplt;
+	  relplt = htab->elf.irelplt;
+	  got_address = sec_addr (gotplt) + plt_idx * GOT_ENTRY_SIZE;
+	}
+
+      /* Find out where the .plt entry should go.  */
+      loc = plt->contents + h->plt.offset;
+
+      /* Fill in the PLT entry itself.  */
+      if (!loongarch_make_plt_entry (got_address,
+				     sec_addr (plt) + h->plt.offset,
+				     plt_entry))
+	return false;
+
+      for (i = 0; i < PLT_ENTRY_INSNS; i++)
+	bfd_put_32 (output_bfd, plt_entry[i], loc + 4 * i);
+
+      /* Fill in the initial value of the .got.plt entry.  */
+      loc = gotplt->contents + (got_address - sec_addr (gotplt));
+      bfd_put_NN (output_bfd, sec_addr (plt), loc);
+
+      rela.r_offset = got_address;
+      if (h->type == STT_GNU_IFUNC && SYMBOL_REFERENCES_LOCAL (info, h))
+	{
+	  rela.r_info = ELFNN_R_INFO (0, R_LARCH_IRELATIVE);
+	  rela.r_addend = (h->root.u.def.value
+			   + h->root.u.def.section->output_section->vma
+			   + h->root.u.def.section->output_offset);
+	}
+      else
+	{
+	  /* Fill in the entry in the .rela.plt section.  */
+	  rela.r_info = ELFNN_R_INFO (h->dynindx, R_LARCH_JUMP_SLOT);
+	  rela.r_addend = 0;
+	}
+
+      loc = relplt->contents + plt_idx * sizeof (ElfNN_External_Rela);
+      bed->s->swap_reloca_out (output_bfd, &rela, loc);
+
+      if (!h->def_regular)
+	{
+	  /* Mark the symbol as undefined, rather than as defined in
+	     the .plt section.  Leave the value alone.  */
+	  sym->st_shndx = SHN_UNDEF;
+	  /* If the symbol is weak, we do need to clear the value.
+	     Otherwise, the PLT entry would provide a definition for
+	     the symbol even if the symbol wasn't defined anywhere,
+	     and so the symbol would never be NULL.  */
+	  if (!h->ref_regular_nonweak)
+	    sym->st_value = 0;
+	}
+    }
+
+  if (h->got.offset != MINUS_ONE
+      /* TLS got entry have been handled in elf_relocate_section.  */
+      && !(loongarch_elf_hash_entry (h)->tls_type & (GOT_TLS_GD | GOT_TLS_IE))
+      /* have allocated got entry but not allocated rela before.  */
+      && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+    {
+      asection *sgot, *srela;
+      Elf_Internal_Rela rela;
+      bfd_vma off = h->got.offset & ~(bfd_vma) 1;
+
+      /* This symbol has an entry in the GOT.  Set it up.  */
+
+      sgot = htab->elf.sgot;
+      srela = htab->elf.srelgot;
+      BFD_ASSERT (sgot && srela);
+
+      rela.r_offset = sec_addr (sgot) + off;
+
+      if (h->type == STT_GNU_IFUNC)
+	{
+	  if (elf_hash_table (info)->dynamic_sections_created
+	      && SYMBOL_REFERENCES_LOCAL (info, h))
+	    {
+	      asection *sec = h->root.u.def.section;
+	      rela.r_info = ELFNN_R_INFO (0, R_LARCH_IRELATIVE);
+	      rela.r_addend = (h->root.u.def.value + sec->output_section->vma
+			       + sec->output_offset);
+	      bfd_put_NN (output_bfd, 0, sgot->contents + off);
+	    }
+	  else
+	    {
+	      BFD_ASSERT (plt);
+	      rela.r_info
+		= ELFNN_R_INFO (0, (bfd_link_pic (info)
+				    ? R_LARCH_RELATIVE : R_LARCH_NONE));
+	      rela.r_addend =
+		plt->output_section->vma + plt->output_offset + h->plt.offset;
+	      bfd_put_NN (output_bfd, rela.r_addend, sgot->contents + off);
+	    }
+	}
+      else if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
+	{
+	  BFD_ASSERT (h->got.offset & 1 /* Has been filled in addr.  */);
+	  asection *sec = h->root.u.def.section;
+	  rela.r_info = ELFNN_R_INFO (0, R_LARCH_RELATIVE);
+	  rela.r_addend = (h->root.u.def.value + sec->output_section->vma
+			   + sec->output_offset);
+	}
+      else
+	{
+	  BFD_ASSERT ((h->got.offset & 1) == 0);
+	  BFD_ASSERT (h->dynindx != -1);
+	  rela.r_info = ELFNN_R_INFO (h->dynindx, R_LARCH_NN);
+	  rela.r_addend = 0;
+	}
+
+      loongarch_elf_append_rela (output_bfd, srela, &rela);
+    }
+
+  if (h->needs_copy)
+    {
+      Elf_Internal_Rela rela;
+      asection *s;
+
+      /* This symbols needs a copy reloc.  Set it up.  */
+      BFD_ASSERT (h->dynindx != -1);
+
+      rela.r_offset = sec_addr (h->root.u.def.section) + h->root.u.def.value;
+      rela.r_info = ELFNN_R_INFO (h->dynindx, R_LARCH_COPY);
+      rela.r_addend = 0;
+      if (h->root.u.def.section == htab->elf.sdynrelro)
+	s = htab->elf.sreldynrelro;
+      else
+	s = htab->elf.srelbss;
+      loongarch_elf_append_rela (output_bfd, s, &rela);
+    }
+
+  /* Mark some specially defined symbols as absolute.  */
+  if (h == htab->elf.hdynamic || h == htab->elf.hgot || h == htab->elf.hplt)
+    sym->st_shndx = SHN_ABS;
+
+  return true;
+}
+
+/* Finish up the dynamic sections.  */
+
+static bool
+loongarch_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, bfd *dynobj,
+		      asection *sdyn)
+{
+  struct loongarch_elf_link_hash_table *htab = loongarch_elf_hash_table (info);
+  const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
+  size_t dynsize = bed->s->sizeof_dyn, skipped_size = 0;
+  bfd_byte *dyncon, *dynconend;
+
+  dynconend = sdyn->contents + sdyn->size;
+  for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
+    {
+      Elf_Internal_Dyn dyn;
+      asection *s;
+      int skipped = 0;
+
+      bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
+
+      switch (dyn.d_tag)
+	{
+	case DT_PLTGOT:
+	  s = htab->elf.sgotplt;
+	  dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+	  break;
+	case DT_JMPREL:
+	  s = htab->elf.srelplt;
+	  dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+	  break;
+	case DT_PLTRELSZ:
+	  s = htab->elf.srelplt;
+	  dyn.d_un.d_val = s->size;
+	  break;
+	case DT_TEXTREL:
+	  if ((info->flags & DF_TEXTREL) == 0)
+	    skipped = 1;
+	  break;
+	case DT_FLAGS:
+	  if ((info->flags & DF_TEXTREL) == 0)
+	    dyn.d_un.d_val &= ~DF_TEXTREL;
+	  break;
+	}
+      if (skipped)
+	skipped_size += dynsize;
+      else
+	bed->s->swap_dyn_out (output_bfd, &dyn, dyncon - skipped_size);
+    }
+  /* Wipe out any trailing entries if we shifted down a dynamic tag.  */
+  memset (dyncon - skipped_size, 0, skipped_size);
+  return true;
+}
+
+/* Finish up local dynamic symbol handling.  We set the contents of
+   various dynamic sections here.  */
+
+static bool
+elfNN_loongarch_finish_local_dynamic_symbol (void **slot, void *inf)
+{
+  struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) *slot;
+  struct bfd_link_info *info = (struct bfd_link_info *) inf;
+
+  return loongarch_elf_finish_dynamic_symbol (info->output_bfd, info, h, NULL);
+}
+
+static bool
+loongarch_elf_finish_dynamic_sections (bfd *output_bfd,
+				       struct bfd_link_info *info)
+{
+  bfd *dynobj;
+  asection *sdyn, *plt, *gotplt = NULL;
+  struct loongarch_elf_link_hash_table *htab;
+
+  htab = loongarch_elf_hash_table (info);
+  BFD_ASSERT (htab);
+  dynobj = htab->elf.dynobj;
+  sdyn = bfd_get_linker_section (dynobj, ".dynamic");
+
+  if (elf_hash_table (info)->dynamic_sections_created)
+    {
+      BFD_ASSERT (htab->elf.splt && sdyn);
+
+      if (!loongarch_finish_dyn (output_bfd, info, dynobj, sdyn))
+	return false;
+    }
+
+  if ((plt = htab->elf.splt))
+    gotplt = htab->elf.sgotplt;
+  else if ((plt = htab->elf.iplt))
+    gotplt = htab->elf.igotplt;
+
+  if (plt && 0 < plt->size)
+    {
+      size_t i;
+      uint32_t plt_header[PLT_HEADER_INSNS];
+      if (!loongarch_make_plt_header (sec_addr (gotplt), sec_addr (plt),
+				      plt_header))
+	return false;
+
+      for (i = 0; i < PLT_HEADER_INSNS; i++)
+	bfd_put_32 (output_bfd, plt_header[i], plt->contents + 4 * i);
+
+      elf_section_data (plt->output_section)->this_hdr.sh_entsize =
+	PLT_ENTRY_SIZE;
+    }
+
+  if (htab->elf.sgotplt)
+    {
+      asection *output_section = htab->elf.sgotplt->output_section;
+
+      if (bfd_is_abs_section (output_section))
+	{
+	  _bfd_error_handler (_("discarded output section: `%pA'"),
+			      htab->elf.sgotplt);
+	  return false;
+	}
+
+      if (0 < htab->elf.sgotplt->size)
+	{
+	  /* Write the first two entries in .got.plt, needed for the dynamic
+	     linker.  */
+	  bfd_put_NN (output_bfd, MINUS_ONE, htab->elf.sgotplt->contents);
+
+	  bfd_put_NN (output_bfd, (bfd_vma) 0,
+		      htab->elf.sgotplt->contents + GOT_ENTRY_SIZE);
+	}
+
+      elf_section_data (output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
+    }
+
+  if (htab->elf.sgot)
+    {
+      asection *output_section = htab->elf.sgot->output_section;
+
+      if (0 < htab->elf.sgot->size)
+	{
+	  /* Set the first entry in the global offset table to the address of
+	     the dynamic section.  */
+	  bfd_vma val = sdyn ? sec_addr (sdyn) : 0;
+	  bfd_put_NN (output_bfd, val, htab->elf.sgot->contents);
+	}
+
+      elf_section_data (output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
+    }
+
+  /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols.  */
+  htab_traverse (htab->loc_hash_table,
+		 (void *) elfNN_loongarch_finish_local_dynamic_symbol, info);
+
+  return true;
+}
+
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+   or (bfd_vma) -1 if it should not be included.  */
+
+static bfd_vma
+loongarch_elf_plt_sym_val (bfd_vma i, const asection *plt,
+			   const arelent *rel ATTRIBUTE_UNUSED)
+{
+  return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
+}
+
+static enum elf_reloc_type_class
+loongarch_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+			    const asection *rel_sec ATTRIBUTE_UNUSED,
+			    const Elf_Internal_Rela *rela)
+{
+  struct loongarch_elf_link_hash_table *htab;
+  htab = loongarch_elf_hash_table (info);
+
+  if (htab->elf.dynsym != NULL && htab->elf.dynsym->contents != NULL)
+    {
+      /* Check relocation against STT_GNU_IFUNC symbol if there are
+	 dynamic symbols.  */
+      bfd *abfd = info->output_bfd;
+      const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+      unsigned long r_symndx = ELFNN_R_SYM (rela->r_info);
+      if (r_symndx != STN_UNDEF)
+	{
+	  Elf_Internal_Sym sym;
+	  if (!bed->s->swap_symbol_in (abfd,
+				       htab->elf.dynsym->contents
+				       + r_symndx * bed->s->sizeof_sym,
+				       0, &sym))
+	    {
+	      /* xgettext:c-format  */
+	      _bfd_error_handler (_("%pB symbol number %lu references"
+				    " nonexistent SHT_SYMTAB_SHNDX section"),
+				  abfd, r_symndx);
+	      /* Ideally an error class should be returned here.  */
+	    }
+	  else if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
+	    return reloc_class_ifunc;
+	}
+    }
+
+  switch (ELFNN_R_TYPE (rela->r_info))
+    {
+    case R_LARCH_IRELATIVE:
+      return reloc_class_ifunc;
+    case R_LARCH_RELATIVE:
+      return reloc_class_relative;
+    case R_LARCH_JUMP_SLOT:
+      return reloc_class_plt;
+    case R_LARCH_COPY:
+      return reloc_class_copy;
+    default:
+      return reloc_class_normal;
+    }
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry.  */
+
+static void
+loongarch_elf_copy_indirect_symbol (struct bfd_link_info *info,
+				    struct elf_link_hash_entry *dir,
+				    struct elf_link_hash_entry *ind)
+{
+  struct loongarch_elf_link_hash_entry *edir, *eind;
+
+  edir = (struct loongarch_elf_link_hash_entry *) dir;
+  eind = (struct loongarch_elf_link_hash_entry *) ind;
+
+  if (eind->dyn_relocs != NULL)
+    {
+      if (edir->dyn_relocs != NULL)
+	{
+	  struct elf_dyn_relocs **pp;
+	  struct elf_dyn_relocs *p;
+
+	  /* Add reloc counts against the indirect sym to the direct sym
+	     list.  Merge any entries against the same section.  */
+	  for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
+	    {
+	      struct elf_dyn_relocs *q;
+
+	      for (q = edir->dyn_relocs; q != NULL; q = q->next)
+		if (q->sec == p->sec)
+		  {
+		    q->pc_count += p->pc_count;
+		    q->count += p->count;
+		    *pp = p->next;
+		    break;
+		  }
+	      if (q == NULL)
+		pp = &p->next;
+	    }
+	  *pp = edir->dyn_relocs;
+	}
+
+      edir->dyn_relocs = eind->dyn_relocs;
+      eind->dyn_relocs = NULL;
+    }
+
+  if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount < 0)
+    {
+      edir->tls_type = eind->tls_type;
+      eind->tls_type = GOT_UNKNOWN;
+    }
+  _bfd_elf_link_hash_copy_indirect (info, dir, ind);
+}
+
+#define PRSTATUS_SIZE		    0x1d8
+#define PRSTATUS_OFFSET_PR_CURSIG   0xc
+#define PRSTATUS_OFFSET_PR_PID	    0x20
+#define ELF_GREGSET_T_SIZE	    0x168
+#define PRSTATUS_OFFSET_PR_REG	    0x70
+
+/* Support for core dump NOTE sections.  */
+
+static bool
+loongarch_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+  switch (note->descsz)
+    {
+    default:
+      return false;
+
+    /* The sizeof (struct elf_prstatus) on Linux/LoongArch.  */
+    case PRSTATUS_SIZE:
+      /* pr_cursig  */
+      elf_tdata (abfd)->core->signal =
+	bfd_get_16 (abfd, note->descdata + PRSTATUS_OFFSET_PR_CURSIG);
+
+      /* pr_pid  */
+      elf_tdata (abfd)->core->lwpid =
+	bfd_get_32 (abfd, note->descdata + PRSTATUS_OFFSET_PR_PID);
+      break;
+    }
+
+  /* Make a ".reg/999" section.  */
+  return _bfd_elfcore_make_pseudosection (abfd, ".reg", ELF_GREGSET_T_SIZE,
+					  note->descpos
+					  + PRSTATUS_OFFSET_PR_REG);
+}
+
+#define PRPSINFO_SIZE		    0x88
+#define PRPSINFO_OFFSET_PR_PID	    0x18
+#define PRPSINFO_OFFSET_PR_FNAME    0x28
+#define PRPSINFO_SIZEOF_PR_FNAME    0x10
+#define PRPSINFO_OFFSET_PR_PS_ARGS  0x38
+#define PRPSINFO_SIZEOF_PR_PS_ARGS  0x50
+
+
+static bool
+loongarch_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+  switch (note->descsz)
+    {
+    default:
+      return false;
+
+    /* The sizeof (prpsinfo_t) on Linux/LoongArch.  */
+    case PRPSINFO_SIZE:
+      /* pr_pid  */
+      elf_tdata (abfd)->core->pid =
+	bfd_get_32 (abfd, note->descdata + PRPSINFO_OFFSET_PR_PID);
+
+      /* pr_fname  */
+      elf_tdata (abfd)->core->program =
+	_bfd_elfcore_strndup (abfd, note->descdata + PRPSINFO_OFFSET_PR_FNAME,
+			      PRPSINFO_SIZEOF_PR_FNAME);
+
+      /* pr_psargs  */
+      elf_tdata (abfd)->core->command =
+	_bfd_elfcore_strndup (abfd, note->descdata + PRPSINFO_OFFSET_PR_PS_ARGS,
+			      PRPSINFO_SIZEOF_PR_PS_ARGS);
+      break;
+    }
+
+  /* Note that for some reason, a spurious space is tacked
+     onto the end of the args in some (at least one anyway)
+     implementations, so strip it off if it exists.  */
+
+  {
+    char *command = elf_tdata (abfd)->core->command;
+    int n = strlen (command);
+
+    if (0 < n && command[n - 1] == ' ')
+      command[n - 1] = '\0';
+  }
+
+  return true;
+}
+
+/* Set the right mach type.  */
+static bool
+loongarch_elf_object_p (bfd *abfd)
+{
+  /* There are only two mach types in LoongArch currently.  */
+  if (strcmp (abfd->xvec->name, "elf64-loongarch") == 0)
+    bfd_default_set_arch_mach (abfd, bfd_arch_loongarch, bfd_mach_loongarch64);
+  else
+    bfd_default_set_arch_mach (abfd, bfd_arch_loongarch, bfd_mach_loongarch32);
+  return true;
+}
+
+static asection *
+loongarch_elf_gc_mark_hook (asection *sec, struct bfd_link_info *info,
+			    Elf_Internal_Rela *rel,
+			    struct elf_link_hash_entry *h,
+			    Elf_Internal_Sym *sym)
+{
+  if (h != NULL)
+    switch (ELFNN_R_TYPE (rel->r_info))
+      {
+      case R_LARCH_GNU_VTINHERIT:
+      case R_LARCH_GNU_VTENTRY:
+	return NULL;
+      }
+
+  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
+}
+
+#define TARGET_LITTLE_SYM loongarch_elfNN_vec
+#define TARGET_LITTLE_NAME "elfNN-loongarch"
+#define ELF_ARCH bfd_arch_loongarch
+#define ELF_TARGET_ID LARCH_ELF_DATA
+#define ELF_MACHINE_CODE EM_LOONGARCH
+#define ELF_MAXPAGESIZE 0x4000
+#define bfd_elfNN_bfd_reloc_type_lookup loongarch_reloc_type_lookup
+#define bfd_elfNN_bfd_link_hash_table_create				  \
+  loongarch_elf_link_hash_table_create
+#define bfd_elfNN_bfd_reloc_name_lookup loongarch_reloc_name_lookup
+#define elf_info_to_howto_rel NULL /* Fall through to elf_info_to_howto.  */
+#define elf_info_to_howto loongarch_info_to_howto_rela
+#define bfd_elfNN_bfd_merge_private_bfd_data				  \
+  elfNN_loongarch_merge_private_bfd_data
+
+#define elf_backend_reloc_type_class loongarch_reloc_type_class
+#define elf_backend_copy_indirect_symbol loongarch_elf_copy_indirect_symbol
+#define elf_backend_create_dynamic_sections				   \
+  loongarch_elf_create_dynamic_sections
+#define elf_backend_check_relocs loongarch_elf_check_relocs
+#define elf_backend_adjust_dynamic_symbol loongarch_elf_adjust_dynamic_symbol
+#define elf_backend_size_dynamic_sections loongarch_elf_size_dynamic_sections
+#define elf_backend_relocate_section loongarch_elf_relocate_section
+#define elf_backend_finish_dynamic_symbol loongarch_elf_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections				   \
+  loongarch_elf_finish_dynamic_sections
+#define elf_backend_object_p loongarch_elf_object_p
+#define elf_backend_gc_mark_hook loongarch_elf_gc_mark_hook
+#define elf_backend_plt_sym_val loongarch_elf_plt_sym_val
+#define elf_backend_grok_prstatus loongarch_elf_grok_prstatus
+#define elf_backend_grok_psinfo loongarch_elf_grok_psinfo
+
+#include "elfNN-target.h"
diff --git a/bfd/elfxx-loongarch.c b/bfd/elfxx-loongarch.c
new file mode 100644
index 0000000..a0de51f
--- /dev/null
+++ b/bfd/elfxx-loongarch.c
@@ -0,0 +1,661 @@
+/* LoongArch-specific support for ELF.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Loongson Ltd.
+
+   Based on RISC-V target.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; see the file COPYING3.  If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/loongarch.h"
+#include "elfxx-loongarch.h"
+
+#define ALL_ONES (~ (bfd_vma) 0)
+
+/* This does not include any relocation information, but should be
+   good enough for GDB or objdump to read the file.  */
+
+static reloc_howto_type howto_table[] =
+{
+#define LOONGARCH_HOWTO(r_name)						 \
+  HOWTO (R_LARCH_##r_name, 0, 2, 32, false, 0, complain_overflow_signed, \
+	 bfd_elf_generic_reloc, "R_LARCH_" #r_name, false, 0, 0xffffffff, false)
+
+  /* No relocation.  */
+  HOWTO (R_LARCH_NONE,			/* type (0).  */
+	 0,				/* rightshift */
+	 3,				/* size */
+	 0,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_NONE",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0,				/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  /* 32 bit relocation.  */
+  HOWTO (R_LARCH_32,			/* type (1).  */
+	 0,				/* rightshift */
+	 2,				/* size */
+	 32,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_32",			/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0xffffffff,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  /* 64 bit relocation.  */
+  HOWTO (R_LARCH_64,			/* type (2).  */
+	 0,				/* rightshift */
+	 4,				/* size */
+	 64,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_64",			/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 ALL_ONES,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_RELATIVE,		/* type (3).  */
+	 0,				/* rightshift */
+	 2,				/* size */
+	 32,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_RELATIVE",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0xffffffff,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_COPY,			/* type (4).  */
+	 0,				/* rightshift */
+	 0,				/* this one is variable size */
+	 0,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_COPY",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0,				/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_JUMP_SLOT,		/* type (5).  */
+	 0,				/* rightshift */
+	 4,				/* size */
+	 64,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_JUMP_SLOT",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0,				/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  /* Dynamic TLS relocations.  */
+  HOWTO (R_LARCH_TLS_DTPMOD32,		/* type (6).  */
+	 0,				/* rightshift */
+	 2,				/* size */
+	 32,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_TLS_DTPMOD32",	/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0xffffffff,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_TLS_DTPMOD64,		/* type (7).  */
+	 0,				/* rightshift */
+	 4,				/* size */
+	 64,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_TLS_DTPMOD64",	/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 ALL_ONES,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_TLS_DTPREL32,		/* type (8). */
+	 0,				/* rightshift */
+	 2,				/* size */
+	 32,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_TLS_DTPREL32",	/* name */
+	 true,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0xffffffff,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_TLS_DTPREL64,		/* type (9).  */
+	 0,				/* rightshift */
+	 4,				/* size */
+	 64,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_TLS_DTPREL64",	/* name */
+	 true,				/* partial_inplace */
+	 0,				/* src_mask */
+	 ALL_ONES,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_TLS_TPREL32,		/* type (10).  */
+	 0,				/* rightshift */
+	 2,				/* size */
+	 32,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_TLS_TPREL32",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0xffffffff,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_TLS_TPREL64,		/* type (11).  */
+	 0,				/* rightshift */
+	 4,				/* size */
+	 64,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_TLS_TPREL64",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 ALL_ONES,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  HOWTO (R_LARCH_IRELATIVE,		/* type (12).  */
+	 0,				/* rightshift */
+	 2,				/* size */
+	 32,				/* bitsize */
+	 false,				/* pc_relative */
+	 0,				/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,		/* special_function */
+	 "R_LARCH_IRELATIVE",		/* name */
+	 false,				/* partial_inplace */
+	 0,				/* src_mask */
+	 0xffffffff,			/* dst_mask */
+	 false),			/* pcrel_offset */
+
+  EMPTY_HOWTO(13),
+  EMPTY_HOWTO(14),
+  EMPTY_HOWTO(15),
+  EMPTY_HOWTO(16),
+  EMPTY_HOWTO(17),
+  EMPTY_HOWTO(18),
+  EMPTY_HOWTO(19),
+
+  HOWTO (R_LARCH_MARK_LA,			/* type (20).  */
+	 0,				   	/* rightshift.  */
+	 3,				   	/* size.  */
+	 0,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_MARK_LA",			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask.  */
+	 0,					/* dst_mask.  */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_MARK_PCREL,			/* type (21).  */
+	 0,				   	/* rightshift.  */
+	 3,				   	/* size.  */
+	 0,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_MARK_PCREL",			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask.  */
+	 0,					/* dst_mask.  */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_PUSH_PCREL,	      	/* type (22).  */
+	 2,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 32,				  	/* bitsize.  */
+	 true /* FIXME: somewhat use this.  */,	/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_PUSH_PCREL",	    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0x03ffffff,			  	/* src_mask.  */
+	 0x03ffffff,			  	/* dst_mask.  */
+	 false),			      	/* pcrel_offset.  */
+
+  /* type 23-37.  */
+  LOONGARCH_HOWTO (SOP_PUSH_ABSOLUTE),
+  LOONGARCH_HOWTO (SOP_PUSH_DUP),
+  LOONGARCH_HOWTO (SOP_PUSH_GPREL),
+  LOONGARCH_HOWTO (SOP_PUSH_TLS_TPREL),
+  LOONGARCH_HOWTO (SOP_PUSH_TLS_GOT),
+  LOONGARCH_HOWTO (SOP_PUSH_TLS_GD),
+  LOONGARCH_HOWTO (SOP_PUSH_PLT_PCREL),
+  LOONGARCH_HOWTO (SOP_ASSERT),
+  LOONGARCH_HOWTO (SOP_NOT),
+  LOONGARCH_HOWTO (SOP_SUB),
+  LOONGARCH_HOWTO (SOP_SL),
+  LOONGARCH_HOWTO (SOP_SR),
+  LOONGARCH_HOWTO (SOP_ADD),
+  LOONGARCH_HOWTO (SOP_AND),
+  LOONGARCH_HOWTO (SOP_IF_ELSE),
+
+  HOWTO (R_LARCH_SOP_POP_32_S_10_5,	      	/* type (38).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 5,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 10,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_10_5",	    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0x7c00,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_U_10_12,	      	/* type (39).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 12,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 10,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_U_10_12",	    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0x3ffc00,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_S_10_12,	      	/* type (40).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 12,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 10,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_10_12",	    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0x3ffc00,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_S_10_16,	      	/* type (41).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 16,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 10,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_10_16",	    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0x3fffc00,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_S_10_16_S2,	      	/* type (42).  */
+	 2,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 16,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 10,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_10_16_S2",    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0x3fffc00,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_S_5_20,	      	/* type (43).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 20,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 5,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_5_20",    	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0x1fffe0,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_S_0_5_10_16_S2,    	/* type (44).  */
+	 2,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 21,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_0_5_10_16_S2",  	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0xfc0003e0,				/* src_mask */
+	 0xfc0003e0,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_S_0_10_10_16_S2,   	/* type (45).  */
+	 2,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 26,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_0_10_10_16_S2", 	/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0xfc000000,				/* src_mask */
+	 0xfc000000,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SOP_POP_32_U,	      		/* type (46).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 32,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SOP_POP_32_S_U",    		/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0,					/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_ADD8,	      			/* type (47).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 8,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_ADD8",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_ADD16,	      			/* type (48).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 16,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_ADD16",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_ADD24,	      			/* type (49).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 24,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_ADD24",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_ADD32,	      			/* type (50).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 32,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_ADD32",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_ADD64,	      			/* type (51).  */
+	 0,				   	/* rightshift.  */
+	 4,				   	/* size.  */
+	 64,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_ADD64",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 ALL_ONES,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SUB8,	      			/* type (52).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 8,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SUB8",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SUB16,	      			/* type (53).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 16,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SUB16",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SUB24,	      			/* type (54).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 24,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SUB24",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SUB32,	      			/* type (55).  */
+	 0,				   	/* rightshift.  */
+	 2,				   	/* size.  */
+	 32,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SUB32",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 0xffffffff,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+  HOWTO (R_LARCH_SUB64,	      			/* type (56).  */
+	 0,				   	/* rightshift.  */
+	 4,				   	/* size.  */
+	 64,				  	/* bitsize.  */
+	 false,					/* pc_relative.  */
+	 0,				   	/* bitpos.  */
+	 complain_overflow_signed,	    	/* complain_on_overflow.  */
+	 bfd_elf_generic_reloc,	       		/* special_function.  */
+	 "R_LARCH_SUB64",    			/* name.  */
+	 false,			       		/* partial_inplace.  */
+	 0,					/* src_mask */
+	 ALL_ONES,				/* dst_mask */
+	 false),			      	/* pcrel_offset.  */
+
+};
+
+struct elf_reloc_map
+{
+  bfd_reloc_code_real_type bfd_val;
+  enum elf_loongarch_reloc_type elf_val;
+};
+
+static const struct elf_reloc_map larch_reloc_map[] =
+{
+  { BFD_RELOC_NONE, R_LARCH_NONE },
+  { BFD_RELOC_32, R_LARCH_32 },
+  { BFD_RELOC_64, R_LARCH_64 },
+
+#define LOONGARCH_reloc_map(r_name)		   	\
+  {						  	\
+    BFD_RELOC_LARCH_##r_name, R_LARCH_##r_name		\
+  }
+  LOONGARCH_reloc_map (TLS_DTPMOD32),
+  LOONGARCH_reloc_map (TLS_DTPMOD64),
+  LOONGARCH_reloc_map (TLS_DTPREL32),
+  LOONGARCH_reloc_map (TLS_DTPREL64),
+  LOONGARCH_reloc_map (TLS_TPREL32),
+  LOONGARCH_reloc_map (TLS_TPREL64),
+
+  LOONGARCH_reloc_map (MARK_LA),
+  LOONGARCH_reloc_map (MARK_PCREL),
+  LOONGARCH_reloc_map (SOP_PUSH_PCREL),
+  LOONGARCH_reloc_map (SOP_PUSH_ABSOLUTE),
+  LOONGARCH_reloc_map (SOP_PUSH_DUP),
+  LOONGARCH_reloc_map (SOP_PUSH_GPREL),
+  LOONGARCH_reloc_map (SOP_PUSH_TLS_TPREL),
+  LOONGARCH_reloc_map (SOP_PUSH_TLS_GOT),
+  LOONGARCH_reloc_map (SOP_PUSH_TLS_GD),
+  LOONGARCH_reloc_map (SOP_PUSH_PLT_PCREL),
+  LOONGARCH_reloc_map (SOP_ASSERT),
+  LOONGARCH_reloc_map (SOP_NOT),
+  LOONGARCH_reloc_map (SOP_SUB),
+  LOONGARCH_reloc_map (SOP_SL),
+  LOONGARCH_reloc_map (SOP_SR),
+  LOONGARCH_reloc_map (SOP_ADD),
+  LOONGARCH_reloc_map (SOP_AND),
+  LOONGARCH_reloc_map (SOP_IF_ELSE),
+  LOONGARCH_reloc_map (SOP_POP_32_S_10_5),
+  LOONGARCH_reloc_map (SOP_POP_32_U_10_12),
+  LOONGARCH_reloc_map (SOP_POP_32_S_10_12),
+  LOONGARCH_reloc_map (SOP_POP_32_S_10_16),
+  LOONGARCH_reloc_map (SOP_POP_32_S_10_16_S2),
+  LOONGARCH_reloc_map (SOP_POP_32_S_5_20),
+  LOONGARCH_reloc_map (SOP_POP_32_S_0_5_10_16_S2),
+  LOONGARCH_reloc_map (SOP_POP_32_S_0_10_10_16_S2),
+  LOONGARCH_reloc_map (SOP_POP_32_U),
+  LOONGARCH_reloc_map (ADD8),
+  LOONGARCH_reloc_map (ADD16),
+  LOONGARCH_reloc_map (ADD24),
+  LOONGARCH_reloc_map (ADD32),
+  LOONGARCH_reloc_map (ADD64),
+  LOONGARCH_reloc_map (SUB8),
+  LOONGARCH_reloc_map (SUB16),
+  LOONGARCH_reloc_map (SUB24),
+  LOONGARCH_reloc_map (SUB32),
+  LOONGARCH_reloc_map (SUB64),
+};
+
+reloc_howto_type *
+loongarch_elf_rtype_to_howto (bfd *abfd, unsigned int r_type)
+{
+  size_t i;
+  for (i = 0; i < ARRAY_SIZE (howto_table); i++)
+    if (howto_table[i].type == r_type)
+      return &howto_table[i];
+
+  (*_bfd_error_handler) (_("%pB: unsupported relocation type %#x"),
+			 abfd, r_type);
+  bfd_set_error (bfd_error_bad_value);
+  return NULL;
+}
+
+reloc_howto_type *
+loongarch_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+			     bfd_reloc_code_real_type code)
+{
+  unsigned int i;
+  for (i = 0; i < ARRAY_SIZE (larch_reloc_map); i++)
+    if (larch_reloc_map[i].bfd_val == code)
+      return loongarch_elf_rtype_to_howto (abfd,
+					   (int) larch_reloc_map[i].elf_val);
+
+  return NULL;
+}
+
+reloc_howto_type *
+loongarch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
+{
+  unsigned int i;
+
+  for (i = 0; i < ARRAY_SIZE (howto_table); i++)
+    if (howto_table[i].name && strcasecmp (howto_table[i].name, r_name) == 0)
+      return &howto_table[i];
+
+  return NULL;
+}
diff --git a/bfd/elfxx-loongarch.h b/bfd/elfxx-loongarch.h
new file mode 100644
index 0000000..7c3984e
--- /dev/null
+++ b/bfd/elfxx-loongarch.h
@@ -0,0 +1,31 @@
+/* LoongArch-specific backend routines.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Loongson Ltd.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; see the file COPYING3.  If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#include "elf/common.h"
+#include "elf/internal.h"
+
+extern reloc_howto_type *
+loongarch_elf_rtype_to_howto (bfd *abfd, unsigned int r_type);
+
+extern reloc_howto_type *
+loongarch_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code);
+
+extern reloc_howto_type *
+loongarch_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name);
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 6949641..41ecd3b 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -3416,6 +3416,49 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
   "BFD_RELOC_CKCORE_PCREL_BLOOP_IMM4BY4",
   "BFD_RELOC_CKCORE_PCREL_BLOOP_IMM12BY4",
   "BFD_RELOC_S12Z_OPR",
+  "BFD_RELOC_LARCH_TLS_DTPMOD32",
+  "BFD_RELOC_LARCH_TLS_DTPREL32",
+  "BFD_RELOC_LARCH_TLS_DTPMOD64",
+  "BFD_RELOC_LARCH_TLS_DTPREL64",
+  "BFD_RELOC_LARCH_TLS_TPREL32",
+  "BFD_RELOC_LARCH_TLS_TPREL64",
+  "BFD_RELOC_LARCH_MARK_LA",
+  "BFD_RELOC_LARCH_MARK_PCREL",
+  "BFD_RELOC_LARCH_SOP_PUSH_PCREL",
+  "BFD_RELOC_LARCH_SOP_PUSH_ABSOLUTE",
+  "BFD_RELOC_LARCH_SOP_PUSH_DUP",
+  "BFD_RELOC_LARCH_SOP_PUSH_GPREL",
+  "BFD_RELOC_LARCH_SOP_PUSH_TLS_TPREL",
+  "BFD_RELOC_LARCH_SOP_PUSH_TLS_GOT",
+  "BFD_RELOC_LARCH_SOP_PUSH_TLS_GD",
+  "BFD_RELOC_LARCH_SOP_PUSH_PLT_PCREL",
+  "BFD_RELOC_LARCH_SOP_ASSERT",
+  "BFD_RELOC_LARCH_SOP_NOT",
+  "BFD_RELOC_LARCH_SOP_SUB",
+  "BFD_RELOC_LARCH_SOP_SL",
+  "BFD_RELOC_LARCH_SOP_SR",
+  "BFD_RELOC_LARCH_SOP_ADD",
+  "BFD_RELOC_LARCH_SOP_AND",
+  "BFD_RELOC_LARCH_SOP_IF_ELSE",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_10_5",
+  "BFD_RELOC_LARCH_SOP_POP_32_U_10_12",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_10_12",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_10_16",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_10_16_S2",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_5_20",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_0_5_10_16_S2",
+  "BFD_RELOC_LARCH_SOP_POP_32_S_0_10_10_16_S2",
+  "BFD_RELOC_LARCH_SOP_POP_32_U",
+  "BFD_RELOC_LARCH_ADD8",
+  "BFD_RELOC_LARCH_ADD16",
+  "BFD_RELOC_LARCH_ADD24",
+  "BFD_RELOC_LARCH_ADD32",
+  "BFD_RELOC_LARCH_ADD64",
+  "BFD_RELOC_LARCH_SUB8",
+  "BFD_RELOC_LARCH_SUB16",
+  "BFD_RELOC_LARCH_SUB24",
+  "BFD_RELOC_LARCH_SUB32",
+  "BFD_RELOC_LARCH_SUB64",
  "@@overflow: BFD_RELOC_UNUSED@@",
 };
 #endif
diff --git a/bfd/po/BLD-POTFILES.in b/bfd/po/BLD-POTFILES.in
index f81e2b4..0ecbbcf 100644
--- a/bfd/po/BLD-POTFILES.in
+++ b/bfd/po/BLD-POTFILES.in
@@ -1,10 +1,12 @@
 bfdver.h
 elf32-aarch64.c
 elf32-ia64.c
+elf32-loongarch.c
 elf32-riscv.c
 elf32-target.h
 elf64-aarch64.c
 elf64-ia64.c
+elf64-loongarch.c
 elf64-riscv.c
 elf64-target.h
 peigen.c
diff --git a/bfd/po/SRC-POTFILES.in b/bfd/po/SRC-POTFILES.in
index c83b86c..cd41295 100644
--- a/bfd/po/SRC-POTFILES.in
+++ b/bfd/po/SRC-POTFILES.in
@@ -72,6 +72,7 @@ cpu-iq2000.c
 cpu-k1om.c
 cpu-l1om.c
 cpu-lm32.c
+cpu-loongarch.c
 cpu-m10200.c
 cpu-m10300.c
 cpu-m32c.c
@@ -262,6 +263,8 @@ elfxx-aarch64.c
 elfxx-aarch64.h
 elfxx-ia64.c
 elfxx-ia64.h
+elfxx-loongarch.c
+elfxx-loongarch.h
 elfxx-mips.c
 elfxx-mips.h
 elfxx-riscv.c
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 441ddd8..5498f43 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -8171,6 +8171,95 @@ ENUM
 ENUMDOC
   S12Z relocations.
 
+ENUM
+  BFD_RELOC_LARCH_TLS_DTPMOD32
+ENUMX
+  BFD_RELOC_LARCH_TLS_DTPREL32
+ENUMX
+  BFD_RELOC_LARCH_TLS_DTPMOD64
+ENUMX
+  BFD_RELOC_LARCH_TLS_DTPREL64
+ENUMX
+  BFD_RELOC_LARCH_TLS_TPREL32
+ENUMX
+  BFD_RELOC_LARCH_TLS_TPREL64
+ENUMX
+  BFD_RELOC_LARCH_MARK_LA
+ENUMX
+  BFD_RELOC_LARCH_MARK_PCREL
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_PCREL
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_ABSOLUTE
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_DUP
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_GPREL
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_TLS_TPREL
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_TLS_GOT
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_TLS_GD
+ENUMX
+  BFD_RELOC_LARCH_SOP_PUSH_PLT_PCREL
+ENUMX
+  BFD_RELOC_LARCH_SOP_ASSERT
+ENUMX
+  BFD_RELOC_LARCH_SOP_NOT
+ENUMX
+  BFD_RELOC_LARCH_SOP_SUB
+ENUMX
+  BFD_RELOC_LARCH_SOP_SL
+ENUMX
+  BFD_RELOC_LARCH_SOP_SR
+ENUMX
+  BFD_RELOC_LARCH_SOP_ADD
+ENUMX
+  BFD_RELOC_LARCH_SOP_AND
+ENUMX
+  BFD_RELOC_LARCH_SOP_IF_ELSE
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_5
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_U_10_12
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_12
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_16
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_10_16_S2
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_5_20
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_0_5_10_16_S2
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_S_0_10_10_16_S2
+ENUMX
+  BFD_RELOC_LARCH_SOP_POP_32_U
+ENUMX
+  BFD_RELOC_LARCH_ADD8
+ENUMX
+  BFD_RELOC_LARCH_ADD16
+ENUMX
+  BFD_RELOC_LARCH_ADD24
+ENUMX
+  BFD_RELOC_LARCH_ADD32
+ENUMX
+  BFD_RELOC_LARCH_ADD64
+ENUMX
+  BFD_RELOC_LARCH_SUB8
+ENUMX
+  BFD_RELOC_LARCH_SUB16
+ENUMX
+  BFD_RELOC_LARCH_SUB24
+ENUMX
+  BFD_RELOC_LARCH_SUB32
+ENUMX
+  BFD_RELOC_LARCH_SUB64
+ENUMDOC
+  LARCH relocations.
+
 ENDSENUM
   BFD_RELOC_UNUSED
 CODE_FRAGMENT
diff --git a/bfd/targets.c b/bfd/targets.c
index 89b49e7..8f5abb1 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -768,6 +768,8 @@ extern const bfd_target l1om_elf64_vec;
 extern const bfd_target l1om_elf64_fbsd_vec;
 extern const bfd_target lm32_elf32_vec;
 extern const bfd_target lm32_elf32_fdpic_vec;
+extern const bfd_target loongarch_elf64_vec;
+extern const bfd_target loongarch_elf32_vec;
 extern const bfd_target m32c_elf32_vec;
 extern const bfd_target m32r_elf32_vec;
 extern const bfd_target m32r_elf32_le_vec;
@@ -1359,6 +1361,12 @@ static const bfd_target * const _bfd_target_vector[] =
 	&z80_elf32_vec,
 
 	&z8k_coff_vec,
+
+#ifdef BFD64
+	&loongarch_elf32_vec,
+	&loongarch_elf64_vec,
+#endif
+
 #endif /* not SELECT_VECS */
 
 /* Always support S-records, for convenience.  */
diff --git a/include/elf/common.h b/include/elf/common.h
index efb7ff0..42dadbb 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -686,8 +686,18 @@
 					/*   note name must be "LINUX".  */
 #define NT_ARC_V2	0x600		/* ARC HS accumulator/extra registers.  */
 					/*   note name must be "LINUX".  */
-#define NT_RISCV_CSR    0x900		/* RISC-V Control and Status Registers */
+#define NT_LARCH_CPUCFG 0xa00		/* LoongArch CPU config registers */
+					/*   note name must be "LINUX".  */
+#define NT_LARCH_CSR    0xa01		/* LoongArch Control State Registers */
+					/*   note name must be "LINUX".  */
+#define NT_LARCH_LSX    0xa02		/* LoongArch SIMD eXtension registers */
+					/*   note name must be "LINUX".  */
+#define NT_LARCH_LASX   0xa03		/* LoongArch Advanced SIMD eXtension registers */
+					/*   note name must be "LINUX".  */
+#define NT_LARCH_LBT    0xa04		/* LoongArch Binary Translation registers */
 					/*   note name must be "CORE".  */
+#define NT_RISCV_CSR    0x900		/* RISC-V Control and Status Registers */
+					/*   note name must be "LINUX".  */
 #define NT_SIGINFO	0x53494749	/* Fields of siginfo_t.  */
 #define NT_FILE		0x46494c45	/* Description of mapped files.  */
 
diff --git a/include/elf/loongarch.h b/include/elf/loongarch.h
new file mode 100644
index 0000000..b4d801a
--- /dev/null
+++ b/include/elf/loongarch.h
@@ -0,0 +1,119 @@
+/* Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Loongson Ltd.
+
+   This file is part of GNU Binutils.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the license, or
+   (at your option) any later version.
+
+   This program 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 a copy of the GNU General Public License
+   along with this program; see the file COPYING3.  If not,
+   see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _ELF_LOONGARCH_H
+#define _ELF_LOONGARCH_H
+
+#include "elf/reloc-macros.h"
+#include "libiberty.h"
+
+START_RELOC_NUMBERS (elf_loongarch_reloc_type)
+/* Used by the dynamic linker.  */
+RELOC_NUMBER (R_LARCH_NONE, 0)
+RELOC_NUMBER (R_LARCH_32, 1)
+RELOC_NUMBER (R_LARCH_64, 2)
+RELOC_NUMBER (R_LARCH_RELATIVE, 3)
+RELOC_NUMBER (R_LARCH_COPY, 4)
+RELOC_NUMBER (R_LARCH_JUMP_SLOT, 5)
+RELOC_NUMBER (R_LARCH_TLS_DTPMOD32, 6)
+RELOC_NUMBER (R_LARCH_TLS_DTPMOD64, 7)
+RELOC_NUMBER (R_LARCH_TLS_DTPREL32, 8)
+RELOC_NUMBER (R_LARCH_TLS_DTPREL64, 9)
+RELOC_NUMBER (R_LARCH_TLS_TPREL32, 10)
+RELOC_NUMBER (R_LARCH_TLS_TPREL64, 11)
+RELOC_NUMBER (R_LARCH_IRELATIVE, 12)
+
+/* Reserved for future relocs that the dynamic linker must understand.  */
+
+/* Used by the static linker for relocating .text.  */
+RELOC_NUMBER (R_LARCH_MARK_LA, 20)
+RELOC_NUMBER (R_LARCH_MARK_PCREL, 21)
+
+RELOC_NUMBER (R_LARCH_SOP_PUSH_PCREL, 22)
+
+RELOC_NUMBER (R_LARCH_SOP_PUSH_ABSOLUTE, 23)
+
+RELOC_NUMBER (R_LARCH_SOP_PUSH_DUP, 24)
+RELOC_NUMBER (R_LARCH_SOP_PUSH_GPREL, 25)
+RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_TPREL, 26)
+RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GOT, 27)
+RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GD, 28)
+RELOC_NUMBER (R_LARCH_SOP_PUSH_PLT_PCREL, 29)
+
+RELOC_NUMBER (R_LARCH_SOP_ASSERT, 30)
+RELOC_NUMBER (R_LARCH_SOP_NOT, 31)
+RELOC_NUMBER (R_LARCH_SOP_SUB, 32)
+RELOC_NUMBER (R_LARCH_SOP_SL, 33)
+RELOC_NUMBER (R_LARCH_SOP_SR, 34)
+RELOC_NUMBER (R_LARCH_SOP_ADD, 35)
+RELOC_NUMBER (R_LARCH_SOP_AND, 36)
+RELOC_NUMBER (R_LARCH_SOP_IF_ELSE, 37)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_5, 38)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_U_10_12, 39)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_12, 40)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16, 41)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16_S2, 42)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_5_20, 43)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_5_10_16_S2, 44)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_10_10_16_S2, 45)
+RELOC_NUMBER (R_LARCH_SOP_POP_32_U, 46)
+
+/* Used by the static linker for relocating non .text.  */
+RELOC_NUMBER (R_LARCH_ADD8, 47)
+RELOC_NUMBER (R_LARCH_ADD16, 48)
+RELOC_NUMBER (R_LARCH_ADD24, 49)
+RELOC_NUMBER (R_LARCH_ADD32, 50)
+RELOC_NUMBER (R_LARCH_ADD64, 51)
+RELOC_NUMBER (R_LARCH_SUB8, 52)
+RELOC_NUMBER (R_LARCH_SUB16, 53)
+RELOC_NUMBER (R_LARCH_SUB24, 54)
+RELOC_NUMBER (R_LARCH_SUB32, 55)
+RELOC_NUMBER (R_LARCH_SUB64, 56)
+
+/* I don't know what it is.  Existing in almost all other arch.  */
+RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57)
+RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58)
+
+END_RELOC_NUMBERS (R_LARCH_count)
+
+/* Processor specific flags for the ELF header e_flags field.  */
+#define EF_LOONGARCH_ABI_ILP32	    0b01
+#define EF_LOONGARCH_ABI_LP64	    0b11
+#define EF_LOONGARCH_ABI_MASK	    0b11
+
+#define EF_LOONGARCH_FLOAT_ABI_SOFT    0b001100
+#define EF_LOONGARCH_FLOAT_ABI_SINGLE  0b001000
+#define EF_LOONGARCH_FLOAT_ABI_DOUBLE  0b000000
+#define EF_LOONGARCH_FLOAT_ABI_MASK    0b111100
+
+#define EF_LOONGARCH_IS_LP64(abi) \
+  ((abi & EF_LOONGARCH_ABI_MASK) == EF_LOONGARCH_ABI_LP64)
+#define EF_LOONGARCH_IS_ILP32(abi) \
+  ((abi & EF_LOONGARCH_ABI_MASK) == EF_LOONGARCH_ABI_ILP32)
+
+#define EF_LOONGARCH_IS_SOFT_FLOAT(abi) \
+  ((abi & EF_LOONGARCH_FLOAT_ABI_MASK) == EF_LOONGARCH_FLOAT_ABI_SOFT)
+#define EF_LOONGARCH_IS_SINGLE_FLOAT(abi) \
+  ((abi & EF_LOONGARCH_FLOAT_ABI_MASK) == EF_LOONGARCH_FLOAT_ABI_SINGLE)
+#define EF_LOONGARCH_IS_DOUBLE_FLOAT(abi) \
+  ((abi & EF_LOONGARCH_FLOAT_ABI_MASK) == EF_LOONGARCH_FLOAT_ABI_DOUBLE)
+
+#define EF_LOONGARCH_ABI (EF_LOONGARCH_ABI_MASK | EF_LOONGARCH_FLOAT_ABI_MASK)
+
+#endif /* _ELF_LOONGARCH_H */