2013-02-06 Sandra Loosemore <sandra@codesourcery.com>

            Andrew Jenner <andrew@codesourcery.com>

	Based on patches from Altera Corporation.

	bfd/
	* Makefile.am (ALL_MACHINES): Add cpu-nios2.lo.
	(ALL_MACHINES_CFILES): Add cpu-nios2.c.
	(BFD_BACKENDS): Add elf32-nios2.lo.
	(BFD32_BACKENDS_CFILES): Add elf32-nios2.c.
	* Makefile.in: Regenerated.
	* configure.in: Add entries for bfd_elf32_bignios2_vec and
	bfd_elf32_littlenios2_vec.
	* configure: Regenerated.
	* config.bfd: Add cases for nios2.
	* archures.c (enum bfd_architecture): Add bfd_arch_nios2.
	(bfd_mach_nios2): Define.
	(bfd_nios2_arch): Declare.
	(bfd_archures_list): Add bfd_nios2_arch.
	* targets.c (bfd_elf32_bignios2_vec): Declare.
	(bfd_elf32_littlenios2_vec): Declare.
	(_bfd_target_vector): Add entries for bfd_elf32_bignios2_vec and
	bfd_elf32_littlenios2_vec.
	* elf-bfd.h (enum elf_target_id): Add NIOS2_ELF_DATA.
	* reloc.c (enum bfd_reloc_code_real): Add Nios II relocations.
	* bfd-in2.h: Regenerated.
	* libbfd.h: Regenerated.
	* cpu-nios2.c: New file.
	* elf32-nios2.c: New file.

	opcodes/
	* Makefile.am (TARGET_LIBOPCODES_CFILES): Add nios2-dis.c and
	nios2-opc.c.
	* Makefile.in: Regenerated.
	* configure.in: Add case for bfd_nios2_arch.
	* configure: Regenerated.
	* disassemble.c (ARCH_nios2): Define.
	(disassembler): Add case for bfd_arch_nios2.
	* nios2-dis.c: New file.
	* nios2-opc.c: New file.

	include/
	* dis-asm.h (print_insn_big_nios2): Declare.
	(print_insn_little_nios2): Declare.

	include/elf
	* nios2.h: New file.

	include/opcode/
	* nios2.h: New file.

	gas/
	* Makefile.am (TARGET_CPU_CFILES): Add config/tc-nios2.c.
	(TARGET_CPU_HFILES): Add config/tc-nios2.h.
	* Makefile.in: Regenerated.
	* configure.tgt: Add case for nios2*-linux*.
	* config/obj-elf.c: Conditionally include elf/nios2.h.
	* config/tc-nios2.c: New file.
	* config/tc-nios2.h: New file.
	* doc/Makefile.am (CPU_DOCS): Add c-nios2.texi.
	* doc/Makefile.in: Regenerated.
	* doc/all.texi: Set NIOSII.
	* doc/as.texinfo (Overview): Add Nios II options.
	(Machine Dependencies): Include c-nios2.texi.
	* doc/c-nios2.texi: New file.
	* NEWS: Note Altera Nios II support.

	gas/testsuite/
	* gas/nios2/add.d: New.
	* gas/nios2/add.s: New.
	* gas/nios2/align_fill.d: New.
	* gas/nios2/align_fill.s: New.
	* gas/nios2/align_text.d: New.
	* gas/nios2/align_text.s: New.
	* gas/nios2/and.d: New.
	* gas/nios2/and.s: New.
	* gas/nios2/branch.d: New.
	* gas/nios2/branch.s: New.
	* gas/nios2/break.d: New.
	* gas/nios2/break.s: New.
	* gas/nios2/bret.d: New.
	* gas/nios2/bret.s: New.
	* gas/nios2/cache.d: New.
	* gas/nios2/cache.s: New.
	* gas/nios2/call26.d: New.
	* gas/nios2/call26.s: New.
	* gas/nios2/call.d: New.
	* gas/nios2/call.s: New.
	* gas/nios2/cmp.d: New.
	* gas/nios2/cmp.s: New.
	* gas/nios2/comments.d: New.
	* gas/nios2/comments.s: New.
	* gas/nios2/complex.d: New.
	* gas/nios2/complex.s: New.
	* gas/nios2/ctl.d: New.
	* gas/nios2/ctl.s: New.
	* gas/nios2/custom.d: New.
	* gas/nios2/custom.s: New.
	* gas/nios2/etbt.d: New.
	* gas/nios2/etbt.s: New.
	* gas/nios2/flushda.d: New.
	* gas/nios2/flushda.s: New.
	* gas/nios2/illegal.l: New.
	* gas/nios2/illegal.s: New.
	* gas/nios2/jmp.d: New.
	* gas/nios2/jmp.s: New.
	* gas/nios2/ldb.d: New.
	* gas/nios2/ldb.s: New.
	* gas/nios2/ldh.d: New.
	* gas/nios2/ldh.s: New.
	* gas/nios2/ldw.d: New.
	* gas/nios2/ldw.s: New.
	* gas/nios2/lineseparator.d: New.
	* gas/nios2/lineseparator.s: New.
	* gas/nios2/mov.d: New.
	* gas/nios2/movia.d: New.
	* gas/nios2/movia.s: New.
	* gas/nios2/movi.d: New.
	* gas/nios2/movi.s: New.
	* gas/nios2/mov.s: New.
	* gas/nios2/mul.d: New.
	* gas/nios2/mul.s: New.
	* gas/nios2/nios2.exp: New.
	* gas/nios2/nor.d: New.
	* gas/nios2/nor.s: New.
	* gas/nios2/or.d: New.
	* gas/nios2/or.s: New.
	* gas/nios2/ret.d: New.
	* gas/nios2/ret.s: New.
	* gas/nios2/rol.d: New.
	* gas/nios2/rol.s: New.
	* gas/nios2/rotate.d: New.
	* gas/nios2/rotate.s: New.
	* gas/nios2/stb.d: New.
	* gas/nios2/stb.s: New.
	* gas/nios2/sth.d: New.
	* gas/nios2/sth.s: New.
	* gas/nios2/stw.d: New.
	* gas/nios2/stw.s: New.
	* gas/nios2/sub.d: New.
	* gas/nios2/sub.s: New.
	* gas/nios2/sync.d: New.
	* gas/nios2/sync.s: New.
	* gas/nios2/trap.d: New.
	* gas/nios2/trap.s: New.
	* gas/nios2/tret.d: New.
	* gas/nios2/tret.s: New.
	* gas/nios2/warn_noat.l: New.
	* gas/nios2/warn_noat.s: New.
	* gas/nios2/warn_nobreak.l: New.
	* gas/nios2/warn_nobreak.s: New.
	* gas/nios2/xor.d: New.
	* gas/nios2/xor.s: New.

	ld/
	* Makefile.am (enios2elf.c): New rule.
	* Makefile.in: Regenerated.
	* configure.tgt: Add case for nios2*-*-*.
	* emulparams/nios2elf.sh: New file.
	* NEWS: Note Altera Nios II support.

	ld/testsuite/
	* ld-nios2/emit-relocs-1a.s: New.
	* ld-nios2/emit-relocs-1b.s: New.
	* ld-nios2/emit-relocs-1.d: New.
	* ld-nios2/emit-relocs-1.ld: New.
	* ld-nios2/gprel.d: New.
	* ld-nios2/gprel.s: New.
	* ld-nios2/hilo16.d: New.
	* ld-nios2/hilo16.s: New.
	* ld-nios2/hilo16_symbol.s: New.
	* ld-nios2/imm5.d: New.
	* ld-nios2/imm5.s: New.
	* ld-nios2/imm5_symbol.s: New.
	* ld-nios2/nios2.exp: New.
	* ld-nios2/pcrel16.d: New.
	* ld-nios2/pcrel16_label.s: New.
	* ld-nios2/pcrel16.s: New.
	* ld-nios2/relax_callr.d: New.
	* ld-nios2/relax_callr.ld: New.
	* ld-nios2/relax_callr.s: New.
	* ld-nios2/relax_cjmp.d: New.
	* ld-nios2/relax_cjmp.s: New.
	* ld-nios2/relax_jmp.ld: New.
	* ld-nios2/relax_section.d: New.
	* ld-nios2/relax_section.s: New.
	* ld-nios2/relax_ujmp.d: New.
	* ld-nios2/relax_ujmp.s: New.
	* ld-nios2/reloc.d: New.
	* ld-nios2/reloc.s: New.
	* ld-nios2/reloc_symbol.s: New.
	* ld-nios2/s16.d: New.
	* ld-nios2/s16.s: New.
	* ld-nios2/s16_symbol.s: New.
	* ld-nios2/u16.d: New.
	* ld-nios2/u16.s: New.
	* ld-nios2/u16_symbol.s: New.
	* ld-elf/indirect.exp: Skip on targets that don't support
	-shared -fPIC.
	* ld-elfcomm/elfcomm.exp: Build with -G0 for nios2.
	* ld-plugin/lto.exp: Skip shared library tests on targets that
	don't support them.  Skip execution tests on non-native targets.

	binutils/
	* readelf.c: Include elf/nios2.h.
	(dump_relocations): Add case for EM_ALTERA_NIOS2.
	(get_nios2_dynamic_type): New.
	(get_dynamic_type): Add case for EM_ALTERA_NIOS2.
	(is_32bit_abs_reloc): Fix EM_ALTERA_NIOS2 case.
	(is_16bit_abs_reloc): Likewise.
	(is_none_reloc): Add EM_ALTERA_NIOS2 and EM_NIOS32 cases.
	* NEWS: Note Altera Nios II support.
	* MAINTAINERS: Add Nios II maintainers.

bfd/ChangeLog

@@ -1,3 +1,32 @@
+2013-02-06  Sandra Loosemore  <sandra@codesourcery.com>
+            Andrew Jenner <andrew@codesourcery.com>
+
+	Based on patches from Altera Corporation.
+
+	* Makefile.am (ALL_MACHINES): Add cpu-nios2.lo.
+	(ALL_MACHINES_CFILES): Add cpu-nios2.c.
+	(BFD_BACKENDS): Add elf32-nios2.lo.
+	(BFD32_BACKENDS_CFILES): Add elf32-nios2.c.
+	* Makefile.in: Regenerated.
+	* configure.in: Add entries for bfd_elf32_bignios2_vec and
+	bfd_elf32_littlenios2_vec.
+	* configure: Regenerated.
+	* config.bfd: Add cases for nios2.
+	* archures.c (enum bfd_architecture): Add bfd_arch_nios2.
+	(bfd_mach_nios2): Define.
+	(bfd_nios2_arch): Declare.
+	(bfd_archures_list): Add bfd_nios2_arch.
+	* targets.c (bfd_elf32_bignios2_vec): Declare.
+	(bfd_elf32_littlenios2_vec): Declare.
+	(_bfd_target_vector): Add entries for bfd_elf32_bignios2_vec and
+	bfd_elf32_littlenios2_vec.
+	* elf-bfd.h (enum elf_target_id): Add NIOS2_ELF_DATA.
+	* reloc.c (enum bfd_reloc_code_real): Add Nios II relocations.
+	* bfd-in2.h: Regenerated.
+	* libbfd.h: Regenerated.
+	* cpu-nios2.c: New file.
+	* elf32-nios2.c: New file.
+
 2013-02-06  Alan Modra  <amodra@gmail.com>
 
 	* elf32-arm.c (elf32_arm_final_link_relocate): Only test for

bfd/Makefile.am

@@ -136,6 +136,7 @@ ALL_MACHINES = \
 	cpu-moxie.lo \
 	cpu-msp430.lo \
 	cpu-mt.lo \
+	cpu-nios2.lo \
 	cpu-ns32k.lo \
 	cpu-openrisc.lo \
 	cpu-or32.lo \
@@ -220,6 +221,7 @@ ALL_MACHINES_CFILES = \
 	cpu-msp430.c \
 	cpu-mt.c \
 	cpu-ns32k.c \
+	cpu-nios2.c \
 	cpu-openrisc.c \
 	cpu-or32.c \
 	cpu-pdp11.c \
@@ -348,6 +350,7 @@ BFD32_BACKENDS = \
 	elf32-moxie.lo \
 	elf32-msp430.lo \
 	elf32-mt.lo \
+	elf32-nios2.lo \
 	elf32-openrisc.lo \
 	elf32-or32.lo \
 	elf32-pj.lo \
@@ -537,6 +540,7 @@ BFD32_BACKENDS_CFILES = \
 	elf32-moxie.c \
 	elf32-msp430.c \
 	elf32-mt.c \
+	elf32-nios2.c \
 	elf32-openrisc.c \
 	elf32-or32.c \
 	elf32-pj.c \

bfd/Makefile.in

@@ -437,6 +437,7 @@ ALL_MACHINES = \
 	cpu-moxie.lo \
 	cpu-msp430.lo \
 	cpu-mt.lo \
+	cpu-nios2.lo \
 	cpu-ns32k.lo \
 	cpu-openrisc.lo \
 	cpu-or32.lo \
@@ -521,6 +522,7 @@ ALL_MACHINES_CFILES = \
 	cpu-msp430.c \
 	cpu-mt.c \
 	cpu-ns32k.c \
+	cpu-nios2.c \
 	cpu-openrisc.c \
 	cpu-or32.c \
 	cpu-pdp11.c \
@@ -650,6 +652,7 @@ BFD32_BACKENDS = \
 	elf32-moxie.lo \
 	elf32-msp430.lo \
 	elf32-mt.lo \
+	elf32-nios2.lo \
 	elf32-openrisc.lo \
 	elf32-or32.lo \
 	elf32-pj.lo \
@@ -839,6 +842,7 @@ BFD32_BACKENDS_CFILES = \
 	elf32-moxie.c \
 	elf32-msp430.c \
 	elf32-mt.c \
+	elf32-nios2.c \
 	elf32-openrisc.c \
 	elf32-or32.c \
 	elf32-pj.c \
@@ -1345,6 +1349,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-moxie.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-msp430.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-mt.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-nios2.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-ns32k.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-openrisc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-or32.Plo@am__quote@
@@ -1433,6 +1438,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-moxie.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-msp430.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-mt.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-nios2.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-openrisc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-or32.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-pj.Plo@am__quote@

bfd/archures.c

@@ -468,6 +468,8 @@ DESCRIPTION
 .#define bfd_mach_tilegx32  2
 .  bfd_arch_aarch64,   {* AArch64  *}
 .#define bfd_mach_aarch64 0
+.  bfd_arch_nios2,
+.#define bfd_mach_nios2	0
 .  bfd_arch_last
 .  };
 */
@@ -560,6 +562,7 @@ extern const bfd_arch_info_type bfd_mn10300_arch;
 extern const bfd_arch_info_type bfd_moxie_arch;
 extern const bfd_arch_info_type bfd_msp430_arch;
 extern const bfd_arch_info_type bfd_mt_arch;
+extern const bfd_arch_info_type bfd_nios2_arch;
 extern const bfd_arch_info_type bfd_ns32k_arch;
 extern const bfd_arch_info_type bfd_openrisc_arch;
 extern const bfd_arch_info_type bfd_or32_arch;
@@ -648,6 +651,7 @@ static const bfd_arch_info_type * const bfd_archures_list[] =
     &bfd_moxie_arch,
     &bfd_msp430_arch,
     &bfd_mt_arch,
+    &bfd_nios2_arch,
     &bfd_ns32k_arch,
     &bfd_openrisc_arch,
     &bfd_or32_arch,

bfd/bfd-in2.h

@@ -2199,6 +2199,8 @@ enum bfd_architecture
 #define bfd_mach_tilegx32  2
   bfd_arch_aarch64,   /* AArch64  */
 #define bfd_mach_aarch64 0
+  bfd_arch_nios2,
+#define bfd_mach_nios2 0
   bfd_arch_last
   };
 
@@ -4913,6 +4915,42 @@ a matching LO8XG part.  */
   BFD_RELOC_MSP430_2X_PCREL,
   BFD_RELOC_MSP430_RL_PCREL,
 
+/* Relocations used by the Altera Nios II core.  */
+  BFD_RELOC_NIOS2_S16,
+  BFD_RELOC_NIOS2_U16,
+  BFD_RELOC_NIOS2_CALL26,
+  BFD_RELOC_NIOS2_IMM5,
+  BFD_RELOC_NIOS2_CACHE_OPX,
+  BFD_RELOC_NIOS2_IMM6,
+  BFD_RELOC_NIOS2_IMM8,
+  BFD_RELOC_NIOS2_HI16,
+  BFD_RELOC_NIOS2_LO16,
+  BFD_RELOC_NIOS2_HIADJ16,
+  BFD_RELOC_NIOS2_GPREL,
+  BFD_RELOC_NIOS2_UJMP,
+  BFD_RELOC_NIOS2_CJMP,
+  BFD_RELOC_NIOS2_CALLR,
+  BFD_RELOC_NIOS2_ALIGN,
+  BFD_RELOC_NIOS2_GOT16,
+  BFD_RELOC_NIOS2_CALL16,
+  BFD_RELOC_NIOS2_GOTOFF_LO,
+  BFD_RELOC_NIOS2_GOTOFF_HA,
+  BFD_RELOC_NIOS2_PCREL_LO,
+  BFD_RELOC_NIOS2_PCREL_HA,
+  BFD_RELOC_NIOS2_TLS_GD16,
+  BFD_RELOC_NIOS2_TLS_LDM16,
+  BFD_RELOC_NIOS2_TLS_LDO16,
+  BFD_RELOC_NIOS2_TLS_IE16,
+  BFD_RELOC_NIOS2_TLS_LE16,
+  BFD_RELOC_NIOS2_TLS_DTPMOD,
+  BFD_RELOC_NIOS2_TLS_DTPREL,
+  BFD_RELOC_NIOS2_TLS_TPREL,
+  BFD_RELOC_NIOS2_COPY,
+  BFD_RELOC_NIOS2_GLOB_DAT,
+  BFD_RELOC_NIOS2_JUMP_SLOT,
+  BFD_RELOC_NIOS2_RELATIVE,
+  BFD_RELOC_NIOS2_GOTOFF,
+
 /* IQ2000 Relocations.  */
   BFD_RELOC_IQ2000_OFFSET_16,
   BFD_RELOC_IQ2000_OFFSET_21,

bfd/config.bfd

@@ -109,6 +109,7 @@ m68*)		 targ_archs=bfd_m68k_arch ;;
 m88*)		 targ_archs=bfd_m88k_arch ;;
 microblaze*)	 targ_archs=bfd_microblaze_arch ;;
 mips*)		 targ_archs=bfd_mips_arch ;;
+nios2*)          targ_archs=bfd_nios2_arch ;;
 or32*)		 targ_archs=bfd_or32_arch ;;
 pdp11*)		 targ_archs=bfd_pdp11_arch ;;
 pj*)		 targ_archs="bfd_pj_arch bfd_i386_arch";;
@@ -1144,6 +1145,21 @@ case "${targ}" in
     targ_underscore=yes
     ;;
 
+  nios2eb-*-*)
+    targ_defvec=bfd_elf32_bignios2_vec
+    targ_selvecs=bfd_elf32_littlenios2_vec
+    ;;
+
+  nios2el-*-*)
+    targ_defvec=bfd_elf32_littlenios2_vec
+    targ_selvecs=bfd_elf32_bignios2_vec
+    ;;
+
+  nios2-*-*)
+    targ_defvec=bfd_elf32_littlenios2_vec
+    targ_selvecs=bfd_elf32_bignios2_vec
+    ;;
+
   openrisc-*-elf)
     targ_defvec=bfd_elf32_openrisc_vec
     ;;

bfd/configure

@@ -15228,6 +15228,7 @@ do
     bfd_elf32_bigmips_vxworks_vec)
 			 	tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
     bfd_elf32_bigmoxie_vec)	tb="$tb elf32-moxie.lo elf32.lo $elf" ;;
+    bfd_elf32_bignios2_vec)	tb="$tb elf32-nios2.lo elf32.lo $elf" ;;
     bfd_elf32_cr16_vec)		tb="$tb elf32-cr16.lo elf32.lo $elf" ;;
     bfd_elf32_cr16c_vec)	tb="$tb elf32-cr16c.lo elf32.lo $elf" ;;
     bfd_elf32_cris_vec)		tb="$tb elf32-cris.lo elf32.lo $elf" ;;
@@ -15270,6 +15271,7 @@ do
     bfd_elf32_littlemips_vxworks_vec)
 			 	tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
     bfd_elf32_littlemoxie_vec)	tb="$tb elf32-moxie.lo elf32.lo $elf" ;;
+    bfd_elf32_littlenios2_vec)	tb="$tb elf32-nios2.lo elf32.lo $elf" ;;
     bfd_elf32_m32c_vec)         tb="$tb elf32-m32c.lo elf32.lo $elf" ;;
     bfd_elf32_m32r_vec)		tb="$tb elf32-m32r.lo elf32.lo $elf" ;;
     bfd_elf32_m32rle_vec)       tb="$tb elf32-m32r.lo elf32.lo $elf" ;;

bfd/configure.in

@@ -725,6 +725,7 @@ do
     bfd_elf32_bigmips_vxworks_vec)
 			 	tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
     bfd_elf32_bigmoxie_vec)	tb="$tb elf32-moxie.lo elf32.lo $elf" ;;
+    bfd_elf32_bignios2_vec)	tb="$tb elf32-nios2.lo elf32.lo $elf" ;;
     bfd_elf32_cr16_vec)		tb="$tb elf32-cr16.lo elf32.lo $elf" ;;
     bfd_elf32_cr16c_vec)	tb="$tb elf32-cr16c.lo elf32.lo $elf" ;;
     bfd_elf32_cris_vec)		tb="$tb elf32-cris.lo elf32.lo $elf" ;;
@@ -767,6 +768,7 @@ do
     bfd_elf32_littlemips_vxworks_vec)
 			 	tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
     bfd_elf32_littlemoxie_vec)	tb="$tb elf32-moxie.lo elf32.lo $elf" ;;
+    bfd_elf32_littlenios2_vec)	tb="$tb elf32-nios2.lo elf32.lo $elf" ;;
     bfd_elf32_m32c_vec)         tb="$tb elf32-m32c.lo elf32.lo $elf" ;;
     bfd_elf32_m32r_vec)		tb="$tb elf32-m32r.lo elf32.lo $elf" ;;
     bfd_elf32_m32rle_vec)       tb="$tb elf32-m32r.lo elf32.lo $elf" ;;

bfd/cpu-nios2.c

@@ -0,0 +1,44 @@
+/* BFD support for the Altera Nios II processor.
+   Copyright (C) 2012, 2013 Free Software Foundation, Inc.
+   Contributed by Nigel Gray (ngray@altera.com).
+   Contributed by Mentor Graphics, Inc.
+
+   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; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+
+#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT)		\
+  {							\
+    BITS_WORD, /*  bits in a word */			\
+    BITS_ADDR, /* bits in an address */			\
+    8,	/* 8 bits in a byte */				\
+    bfd_arch_nios2,					\
+    NUMBER,						\
+    "nios2",						\
+    PRINT,						\
+    3,							\
+    DEFAULT,						\
+    bfd_default_compatible,				\
+    bfd_default_scan,					\
+    bfd_arch_default_fill,			       	\
+    NEXT						\
+  }
+
+const bfd_arch_info_type bfd_nios2_arch = N (32, 32, 0, "nios2", TRUE, NULL);

bfd/elf-bfd.h

@@ -421,6 +421,7 @@ enum elf_target_id
   MICROBLAZE_ELF_DATA,
   MIPS_ELF_DATA,
   MN10300_ELF_DATA,
+  NIOS2_ELF_DATA,
   PPC32_ELF_DATA,
   PPC64_ELF_DATA,
   S390_ELF_DATA,