Add support for Andes NDS32:

BFD:
	* Makefile.am (BFD32_BACKENDS, BFD32_BACKENDS_CFILES): Add nds32
	files.
	* Makefile.in: Regenerate.
	* archures.c (bfd_nds32_arch): Add nds32 target.
	* bfd-in2.h: Regenerate.
	* config.bfd (nds32*le-*-linux): Add bfd_elf32_nds32lelin_vec
	and bfd_elf32_nds32belin_vec.
	(nds32*be-*-linux*): Likewise.
	(nds32*le-*-*): Add bfd_elf32_nds32le_vec and bfd_elf32_nds32be_vec.
	(nds32*be-*-*): Likewise.
	* configure.in (bfd_elf32_nds32be_vec): Add elf32-nds32.lo.
	(bfd_elf32_nds32le_vec): Likewise.
	(bfd_elf32_nds32belin_vec): Likewise.
	(bfd_elf32_nds32lelin_vec): Likewise.
	* configure: Regenerate.
	* cpu-nds32.c: New file for nds32.
	* elf-bfd.h: Add NDS32_ELF_DATA.
	* elf32-nds32.c: New file for nds32.
	* elf32-nds32.h: New file for nds32.
	* libbfd.h: Regenerate.
	* reloc.c: Add relocations for nds32.
	* targets.c (bfd_elf32_nds32be_vec): New declaration for nds32.
	(bfd_elf32_nds32le_vec): Likewise.
	(bfd_elf32_nds32belin_vec): Likewise.
	(bfd_elf32_nds32lelin_vec): Likewise.

BINUTILS:
	* readelf.c: Include elf/nds32.h
	(guess_is_rela): Add case for EM_NDS32.
	(dump_relocations): Add case for EM_NDS32.
	(decode_NDS32_machine_flags): New.
	(get_machine_flags): Add case for EM_NDS32.
	(is_32bit_abs_reloc): Likewise.
	(is_16bit_abs_reloc): Likewise.
	(process_nds32_specific): New.
	(process_arch_specific): Add case for EM_NDS32.
	* NEWS: Announce Andes nds32 support.
	* MAINTAINERS: Add nds32 maintainers.
  TESTSUITE:
	* binutils-all/objdump.exp: Add NDS32 cpu.
	* binutils-all/readelf.r: Skip extra reloc created by NDS32.

GAS:
	* Makefile.am (TARGET_CPU_CFILES): Add config/tc-nds32.c.
	(TARGET_CPU_HFILES): Add config/tc-nds32.h.
	* Makefile.in: Regenerate.
	* configure.in (nds32): Add nds32 target extension config support.
	* configure.tgt : Add case for nds32-*-elf* and nds32-*-linux*.
	* configure: Regenerate.
	* config/tc-nds32.c: New file for nds32.
	* config/tc-nds32.h: New file for nds32.
	* doc/Makefile.am (CPU_DOCS): Add c-nds32.texi.
	* doc/Makefile.in: Regenerate.
	* doc/as.texinfo: Add nds32 options.
	* doc/all.texi: Set NDS32.
	* doc/c-nds32.texi: New file dor nds32 document.
	* NEWS: Announce Andes nds32 support.
  TESTSUITE:
	* gas/all/gas.exp: Add expected failures for NDS32.
	* gas/elf/elf.exp: Likewise.
	* gas/lns/lns.exp: Use alternate test.
	* gas/macros/irp.d: Skip for NDS32.
	* gas/macros/macros.exp: Skip some tests for the NDS32.
	* gas/macros/rept.d: Skip for NDS32.
	* gas/macros/test3.d: Skip for NDS32.
	* gas/nds32: New directory.
	* gas/nds32/alu-1.s: New test.
	* gas/nds32/alu-1.d: Likewise.
	* gas/nds32/alu-2.s: Likewise.
	* gas/nds32/alu-2.d: Likewise.
	* gas/nds32/br-1.d: Likewise.
	* gas/nds32/br-1.s: Likewise.
	* gas/nds32/br-2.d: Likewise.
	* gas/nds32/br-2.s: Likewise.
	* gas/nds32/ji-jr.d: Likewise.
	* gas/nds32/ji-jr.s: Likewise.
	* gas/nds32/ls.d: Likewise.
	* gas/nds32/ls.s: Likewise.
	* gas/nds32/lsi.d: Likewise.
	* gas/nds32/lsi.s: Likewise.
	* gas/nds32/to-16bit-v1.d: Likewise.
	* gas/nds32/to-16bit-v1.s: Likewise.
	* gas/nds32/to-16bit-v2.d: Likewise.
	* gas/nds32/to-16bit-v2.s: Likewise.
	* gas/nds32/to-16bit-v3.d: Likewise.
	* gas/nds32/to-16bit-v3.s: Likewise.
	* gas/nds32/nds32.exp: New test driver.

LD:
	* Makefile.am (ALL_EMULATION_SOURCES): Add nds32 target.
	* Makefile.in: Regenerate.
	* configure.tgt: Add case for nds32*le-*-elf*, nds32*be-*-elf*,
	nds32*le-*-linux-gnu*, and nds32*be-*-linux-gnu*.
	* emulparams/nds32belf.sh: New file for nds32.
	* emulparams/nds32belf_linux.sh: Likewise.
	* emulparams/nds32belf16m.sh: Likewise.
	* emulparams/nds32elf.sh: Likewise.
	* emulparams/nds32elf_linux.sh: Likewise.
	* emulparams/nds32elf16m.sh: Likewise.
	* emultempl/nds32elf.em: Likewise.
	* scripttempl/nds32elf.sc}: Likewise.
	* gen-doc.texi: Set NDS32.
	* ld.texinfo: Set NDS32.
	* NEWS: Announce Andes nds32 support.
  TESTSUITE:
	* lib/ld-lib.exp: Add NDS32 to list of targets that do not support
	shared library generation.
	* ld-nds32: New directory.
	* ld-nds32/branch.d: New test.
	* ld-nds32/branch.ld: New test.
	* ld-nds32/branch.s: New test.
	* ld-nds32/diff.d: New test.
	* ld-nds32/diff.ld: New test.
	* ld-nds32/diff.s: New test.
	* ld-nds32/gp.d: New test.
	* ld-nds32/gp.ld: New test.
	* ld-nds32/gp.s: New test.
	* ld-nds32/imm.d: New test.
	* ld-nds32/imm.ld: New test.
	* ld-nds32/imm.s: New test.
	* ld-nds32/imm_symbol.s: New test.
	* ld-nds32/relax_jmp.d: New test.
	* ld-nds32/relax_jmp.ld: New test.
	* ld-nds32/relax_jmp.s: New test.
	* ld-nds32/relax_load_store.d: New test.
	* ld-nds32/relax_load_store.ld: New test.
	* ld-nds32/relax_load_store.s: New test.
	* ld-nds32/nds32.exp: New file.

OPCODES:
	* Makefile.am (TARGET_LIBOPCODES_CFILES): Add nds32-asm.c
	and nds32-dis.c.
	* Makefile.in: Regenerate.
	* configure.in: Add case for bfd_nds32_arch.
	* configure: Regenerate.
	* disassemble.c (ARCH_nds32): Define.
	* nds32-asm.c: New file for nds32.
	* nds32-asm.h: New file for nds32.
	* nds32-dis.c: New file for nds32.
	* nds32-opc.h: New file for nds32.

INCLUDE:
	* dis-asm.h (print_insn_nds32): Add nds32 target.
	* elf/nds32.h: New file for nds32.
	* opcode/nds32.h: New file for nds32.

1 files changed, 282 insertions, 0 deletions

diff --git a/include/elf/nds32.h b/include/elf/nds32.h
new file mode 100644
index 0000000..5f410cf
--- /dev/null
+++ b/include/elf/nds32.h
@@ -0,0 +1,282 @@
+/* NDS32 ELF support for BFD.
+   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   Contributed by Andes Technology Corporation.
+
+   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.  */
+
+#ifndef _ELF_NDS32_H
+#define _ELF_NDS32_H
+
+#include "elf/reloc-macros.h"
+
+/* Relocations.  */
+START_RELOC_NUMBERS (elf_nds32_reloc_type)
+  RELOC_NUMBER (R_NDS32_NONE, 0)
+  /* REL relocations.  */
+  RELOC_NUMBER (R_NDS32_16, 1)
+  RELOC_NUMBER (R_NDS32_32, 2)
+  RELOC_NUMBER (R_NDS32_20, 3)
+  RELOC_NUMBER (R_NDS32_9_PCREL, 4)
+  RELOC_NUMBER (R_NDS32_15_PCREL, 5)
+  RELOC_NUMBER (R_NDS32_17_PCREL, 6)
+  RELOC_NUMBER (R_NDS32_25_PCREL, 7)
+  RELOC_NUMBER (R_NDS32_HI20, 8)
+  RELOC_NUMBER (R_NDS32_LO12S3, 9)
+  RELOC_NUMBER (R_NDS32_LO12S2, 10)
+  RELOC_NUMBER (R_NDS32_LO12S1, 11)
+  RELOC_NUMBER (R_NDS32_LO12S0, 12)
+  RELOC_NUMBER (R_NDS32_SDA15S3, 13)
+  RELOC_NUMBER (R_NDS32_SDA15S2, 14)
+  RELOC_NUMBER (R_NDS32_SDA15S1, 15)
+  RELOC_NUMBER (R_NDS32_SDA15S0, 16)
+  RELOC_NUMBER (R_NDS32_GNU_VTINHERIT, 17)
+  RELOC_NUMBER (R_NDS32_GNU_VTENTRY, 18)
+
+  /* RELA relocations.  */
+  RELOC_NUMBER (R_NDS32_16_RELA, 19)
+  RELOC_NUMBER (R_NDS32_32_RELA, 20)
+  RELOC_NUMBER (R_NDS32_20_RELA, 21)
+  RELOC_NUMBER (R_NDS32_9_PCREL_RELA, 22)
+  RELOC_NUMBER (R_NDS32_15_PCREL_RELA, 23)
+  RELOC_NUMBER (R_NDS32_17_PCREL_RELA, 24)
+  RELOC_NUMBER (R_NDS32_25_PCREL_RELA, 25)
+  RELOC_NUMBER (R_NDS32_HI20_RELA, 26)
+  RELOC_NUMBER (R_NDS32_LO12S3_RELA, 27)
+  RELOC_NUMBER (R_NDS32_LO12S2_RELA, 28)
+  RELOC_NUMBER (R_NDS32_LO12S1_RELA, 29)
+  RELOC_NUMBER (R_NDS32_LO12S0_RELA, 30)
+  RELOC_NUMBER (R_NDS32_SDA15S3_RELA, 31)
+  RELOC_NUMBER (R_NDS32_SDA15S2_RELA, 32)
+  RELOC_NUMBER (R_NDS32_SDA15S1_RELA, 33)
+  RELOC_NUMBER (R_NDS32_SDA15S0_RELA, 34)
+  RELOC_NUMBER (R_NDS32_RELA_GNU_VTINHERIT, 35)
+  RELOC_NUMBER (R_NDS32_RELA_GNU_VTENTRY, 36)
+
+  RELOC_NUMBER (R_NDS32_GOT20, 37)
+  RELOC_NUMBER (R_NDS32_25_PLTREL, 38)
+  RELOC_NUMBER (R_NDS32_COPY, 39)
+  RELOC_NUMBER (R_NDS32_GLOB_DAT, 40)
+  RELOC_NUMBER (R_NDS32_JMP_SLOT, 41)
+  RELOC_NUMBER (R_NDS32_RELATIVE, 42)
+  RELOC_NUMBER (R_NDS32_GOTOFF, 43)
+  RELOC_NUMBER (R_NDS32_GOTPC20, 44)
+  RELOC_NUMBER (R_NDS32_GOT_HI20, 45)
+
+  RELOC_NUMBER (R_NDS32_GOT_LO12, 46)
+  RELOC_NUMBER (R_NDS32_GOTPC_HI20, 47)
+  RELOC_NUMBER (R_NDS32_GOTPC_LO12, 48)
+  RELOC_NUMBER (R_NDS32_GOTOFF_HI20, 49)
+  RELOC_NUMBER (R_NDS32_GOTOFF_LO12, 50)
+  RELOC_NUMBER (R_NDS32_INSN16, 51)
+  RELOC_NUMBER (R_NDS32_LABEL, 52)
+  RELOC_NUMBER (R_NDS32_LONGCALL1, 53)
+  RELOC_NUMBER (R_NDS32_LONGCALL2, 54)
+  RELOC_NUMBER (R_NDS32_LONGCALL3, 55)
+  RELOC_NUMBER (R_NDS32_LONGJUMP1, 56)
+  RELOC_NUMBER (R_NDS32_LONGJUMP2, 57)
+  RELOC_NUMBER (R_NDS32_LONGJUMP3, 58)
+  RELOC_NUMBER (R_NDS32_LOADSTORE, 59)
+  RELOC_NUMBER (R_NDS32_9_FIXED_RELA, 60)
+  RELOC_NUMBER (R_NDS32_15_FIXED_RELA, 61)
+  RELOC_NUMBER (R_NDS32_17_FIXED_RELA, 62)
+  RELOC_NUMBER (R_NDS32_25_FIXED_RELA, 63)
+  RELOC_NUMBER (R_NDS32_PLTREL_HI20, 64)
+  RELOC_NUMBER (R_NDS32_PLTREL_LO12, 65)
+  RELOC_NUMBER (R_NDS32_PLT_GOTREL_HI20, 66)
+  RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO12, 67)
+  RELOC_NUMBER (R_NDS32_SDA12S2_DP_RELA, 68)
+  RELOC_NUMBER (R_NDS32_SDA12S2_SP_RELA, 69)
+  RELOC_NUMBER (R_NDS32_LO12S2_DP_RELA, 70)
+  RELOC_NUMBER (R_NDS32_LO12S2_SP_RELA, 71)
+  RELOC_NUMBER (R_NDS32_LO12S0_ORI_RELA, 72)
+  RELOC_NUMBER (R_NDS32_SDA16S3_RELA, 73)
+  RELOC_NUMBER (R_NDS32_SDA17S2_RELA, 74)
+  RELOC_NUMBER (R_NDS32_SDA18S1_RELA, 75)
+  RELOC_NUMBER (R_NDS32_SDA19S0_RELA, 76)
+  RELOC_NUMBER (R_NDS32_DWARF2_OP1_RELA, 77)
+  RELOC_NUMBER (R_NDS32_DWARF2_OP2_RELA, 78)
+  RELOC_NUMBER (R_NDS32_DWARF2_LEB_RELA, 79)
+  RELOC_NUMBER (R_NDS32_UPDATE_TA_RELA, 80)	/* This is obsoleted.  */
+  RELOC_NUMBER (R_NDS32_9_PLTREL, 81)
+  RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO20, 82)
+  RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO15, 83)
+  RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO19, 84)
+  RELOC_NUMBER (R_NDS32_GOT_LO15, 85)
+  RELOC_NUMBER (R_NDS32_GOT_LO19, 86)
+  RELOC_NUMBER (R_NDS32_GOTOFF_LO15, 87)
+  RELOC_NUMBER (R_NDS32_GOTOFF_LO19, 88)
+  RELOC_NUMBER (R_NDS32_GOT15S2_RELA, 89)
+  RELOC_NUMBER (R_NDS32_GOT17S2_RELA, 90)
+  RELOC_NUMBER (R_NDS32_5_RELA, 91)
+  RELOC_NUMBER (R_NDS32_10_UPCREL_RELA, 92)
+  RELOC_NUMBER (R_NDS32_SDA_FP7U2_RELA, 93)
+  RELOC_NUMBER (R_NDS32_WORD_9_PCREL_RELA, 94)
+  RELOC_NUMBER (R_NDS32_25_ABS_RELA, 95)
+  RELOC_NUMBER (R_NDS32_17IFC_PCREL_RELA, 96)
+  RELOC_NUMBER (R_NDS32_10IFCU_PCREL_RELA, 97)
+
+  RELOC_NUMBER (R_NDS32_RELAX_ENTRY, 192)
+  RELOC_NUMBER (R_NDS32_GOT_SUFF, 193)
+  RELOC_NUMBER (R_NDS32_GOTOFF_SUFF, 194)
+  RELOC_NUMBER (R_NDS32_PLT_GOT_SUFF, 195)
+  RELOC_NUMBER (R_NDS32_MULCALL_SUFF, 196)
+  RELOC_NUMBER (R_NDS32_PTR, 197)
+  RELOC_NUMBER (R_NDS32_PTR_COUNT, 198)
+  RELOC_NUMBER (R_NDS32_PTR_RESOLVED, 199)
+  RELOC_NUMBER (R_NDS32_PLTBLOCK, 200)
+  RELOC_NUMBER (R_NDS32_RELAX_REGION_BEGIN, 201)
+  RELOC_NUMBER (R_NDS32_RELAX_REGION_END, 202)
+  RELOC_NUMBER (R_NDS32_MINUEND, 203)
+  RELOC_NUMBER (R_NDS32_SUBTRAHEND, 204)
+  RELOC_NUMBER (R_NDS32_DIFF8, 205)
+  RELOC_NUMBER (R_NDS32_DIFF16, 206)
+  RELOC_NUMBER (R_NDS32_DIFF32, 207)
+  RELOC_NUMBER (R_NDS32_DIFF_ULEB128, 208)
+  RELOC_NUMBER (R_NDS32_DATA, 209)
+  RELOC_NUMBER (R_NDS32_TRAN, 210)
+  RELOC_NUMBER (R_NDS32_FPBASE, 211)
+
+END_RELOC_NUMBERS (R_NDS32_max)
+
+/* Processor specific section indices.  These sections do not actually
+   exist.  Symbols with a st_shndx field corresponding to one of these
+   values have a special meaning.  */
+
+/* Processor specific flags for the ELF header e_flags field.
+
+   31   28 27		      8 7   4 3       0
+   ---------------------------------------------
+   | ARCH | CONFUGURAION FIELD | ABI | ELF_VER |
+   ---------------------------------------------  */
+
+/* Architechure definition.  */
+
+/* 4-bit (b31-b28) nds32 architecture field.
+   We can have up to 15 architectures; 0000 is for unknown.  */
+#define EF_NDS_ARCH				0xF0000000
+#define EF_NDS_ARCH_SHIFT			28
+/* There could be more architectures. For now, only n1 and n1h.  */
+#define E_NDS_ARCH_STAR_RESERVED		0x00000000
+#define E_NDS_ARCH_STAR_V1_0			0x10000000
+#define E_NDS_ARCH_STAR_V2_0			0x20000000
+#define E_NDS_ARCH_STAR_V3_0			0x30000000
+#define E_NDS_ARCH_STAR_V3_M			0x40000000
+#define E_NDS_ARCH_STAR_V0_9			0x90000000	/* Obsoleted.  */
+/* n1 code.  */
+#define E_N1_ARCH			E_NDS_ARCH_STAR_V0_9
+/* n1h code.  */
+#define E_N1H_ARCH			E_NDS_ARCH_STAR_V1_0
+
+
+/* Configuration field definitioans.  */
+#define EF_NDS_INST				0x0FFFFF00
+
+/* E_NDS_ARCH_STAR_V1_0 configuration fields.
+
+   E_NDS_ARCH_STAR_V2_0 configuration fields.
+   These are discarded in v2.
+     * E_NDS32_HAS_MFUSR_PC_INST	0x00000100
+     * E_NDS32_HAS_DIV_INST		0x00002000
+     * E_NDS32_HAS_NO_MAC_INST		0x00100000
+   These are added in v2.
+     * E_NDS32_HAS_DIV_DX_INST		0x00002000
+     * E_NDS32_HAS_MAC_DX_INST		0x00100000  */
+
+/* MFUSR rt, PC and correct ISYNC, MSYNC instructions.
+   Old N1213HC has no such instructions.  */
+#define E_NDS32_HAS_MFUSR_PC_INST		0x00000100 /* Reclaimed.  */
+#define E_NDS32_HAS_EX9_INST			0x00000100 /* v3, ELF 1.4.  */
+/* C/C++ performance extension instructions.  */
+#define E_NDS32_HAS_EXT_INST			0x00000200
+/* Performance extension set II instructions.  */
+#define E_NDS32_HAS_EXT2_INST			0x00000400
+/* Single precision Floating point processor instructions.  */
+#define E_NDS32_HAS_FPU_INST			0x00000800
+/* Audio instructions with 32-bit audio dx.lo register.  */
+#define E_NDS32_HAS_AUDIO_INST			0x00001000
+/* DIV instructions.  */
+#define E_NDS32_HAS_DIV_INST			0x00002000 /* Reclaimed.  */
+/* DIV instructions using d0/d1.  */
+#define E_NDS32_HAS_DIV_DX_INST			0x00002000 /* v2.  */
+/* 16-bit instructions.  */
+#define E_NDS32_HAS_16BIT_INST			0x00004000 /* Reclaimed.  */
+#define E_NDS32_HAS_IFC_INST			0x00004000 /* v3, ELF 1.4.  */
+/* String operation instructions.  */
+#define E_NDS32_HAS_STRING_INST			0x00008000
+/* Reduced register file.  */
+#define E_NDS32_HAS_REDUCED_REGS		0x00010000
+/* Video instructions.  */
+#define E_NDS32_HAS_VIDEO_INST			0x00020000 /* Reclaimed.  */
+#define E_NDS32_HAS_SATURATION_INST		0x00020000 /* v3, ELF 1.4.  */
+/* Encription instructions.  */
+#define E_NDS32_HAS_ENCRIPT_INST		0x00040000
+/* Doulbe Precision Floating point processor instructions.  */
+#define E_NDS32_HAS_FPU_DP_INST			0x00080000
+/* No MAC instruction used.  */
+#define E_NDS32_HAS_NO_MAC_INST			0x00100000 /* Reclaimed when V2/V3.  */
+/* MAC instruction using d0/d1.  */
+#define E_NDS32_HAS_MAC_DX_INST			0x00100000 /* v2.  */
+/* L2 cache instruction.  */
+#define E_NDS32_HAS_L2C_INST			0x00200000
+/* FPU registers configuration when FPU SP/DP presents; 0x00c00000.  */
+#define E_NDS32_FPU_REG_CONF_SHIFT		22
+#define E_NDS32_FPU_REG_CONF			(0x3 << E_NDS32_FPU_REG_CONF_SHIFT)
+#define E_NDS32_FPU_REG_8SP_4DP			0x0
+#define E_NDS32_FPU_REG_16SP_8DP		0x1
+#define E_NDS32_FPU_REG_32SP_16DP		0x2
+#define E_NDS32_FPU_REG_32SP_32DP		0x3
+/* FPU MAC instruction used.  */
+#define E_NDS32_HAS_FPU_MAC_INST		0x01000000
+/* <<<Empty Check>>>.  */
+#define E_NDS32_NULL				0x02000000
+/* PIC enabled.  */
+#define E_NDS32_HAS_PIC				0x04000000
+/* Use custom section.  */
+#define E_NDS32_HAS_CUSTOM_SEC			0x08000000
+
+/* 4-bit for ABI signature, allow up to 16 ABIs
+   0: for OLD ABI V0, phase out
+   1: for V1 , starting with V0 toolchain
+   2: for V2
+   3: for V2FP (fs0, fs1 as function parameter)
+   4: for AABI  */
+/* Only old N1213HC use V0.
+   New ABI is used due to return register is changed to r0 from r5.  */
+#define EF_NDS_ABI				0x000000F0
+#define EF_NDS_ABI_SHIFT			4
+#define E_NDS_ABI_V0				0x00000000
+#define E_NDS_ABI_V1				0x00000010
+#define E_NDS_ABI_V2				0x00000020
+#define E_NDS_ABI_V2FP				0x00000030
+#define E_NDS_ABI_AABI				0x00000040
+#define E_NDS_ABI_V2FP_PLUS			0x00000050
+
+/* This flag signifies the version of Andes ELF.
+   Some more information may exist somewhere which is TBD.  */
+#define EF_NDS32_ELF_VERSION			0x0000000F
+#define EF_NDS32_ELF_VERSION_SHIFT		0
+
+/* Andes ELF Version 1.3 and before.  */
+#define E_NDS32_ELF_VER_1_2			0x0
+/* Andes ELF Version 1.31.  */
+#define E_NDS32_ELF_VER_1_3			0x1
+/* Andes ELF Version 1.4. Change the way we fix .debug_* and .gcc_except_table.
+   Change three bit for EX9, IFC and SAT.  */
+#define E_NDS32_ELF_VER_1_4			0x2
+
+#endif