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.

1 files changed, 91 insertions, 0 deletions

diff --git a/include/elf/nios2.h b/include/elf/nios2.h
new file mode 100644
index 0000000..ff5947b
--- /dev/null
+++ b/include/elf/nios2.h
@@ -0,0 +1,91 @@
+/* Altera Nios II ELF support for BFD.
+   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.  */
+
+
+/* This file holds definitions specific to the Altera Nios II ELF ABI.  Note
+   that most of this is not actually implemented by BFD.  */
+
+#ifndef _ELF_NIOS2_H
+#define _ELF_NIOS2_H
+
+#include "elf/reloc-macros.h"
+
+/* The order of these numbers must match the order in
+   the elf_nios2_howto_table_rel table for the lookup
+   function to work properly.  */
+
+START_RELOC_NUMBERS (elf_nios2_reloc_type)
+  RELOC_NUMBER (R_NIOS2_NONE,	  0)
+  RELOC_NUMBER (R_NIOS2_S16,	  1)
+  RELOC_NUMBER (R_NIOS2_U16,	  2)
+  RELOC_NUMBER (R_NIOS2_PCREL16, 3)
+  RELOC_NUMBER (R_NIOS2_CALL26,  4)
+  RELOC_NUMBER (R_NIOS2_IMM5,	  5)
+  RELOC_NUMBER (R_NIOS2_CACHE_OPX, 6)
+  RELOC_NUMBER (R_NIOS2_IMM6,	  7)
+  RELOC_NUMBER (R_NIOS2_IMM8,	  8)
+  RELOC_NUMBER (R_NIOS2_HI16,	  9)
+  RELOC_NUMBER (R_NIOS2_LO16,	  10)
+  RELOC_NUMBER (R_NIOS2_HIADJ16, 11)
+  RELOC_NUMBER (R_NIOS2_BFD_RELOC_32, 12)
+  RELOC_NUMBER (R_NIOS2_BFD_RELOC_16, 13)
+  RELOC_NUMBER (R_NIOS2_BFD_RELOC_8, 14)
+  RELOC_NUMBER (R_NIOS2_GPREL, 15)
+  RELOC_NUMBER (R_NIOS2_GNU_VTINHERIT, 16)
+  RELOC_NUMBER (R_NIOS2_GNU_VTENTRY, 17)
+  RELOC_NUMBER (R_NIOS2_UJMP, 18)
+  RELOC_NUMBER (R_NIOS2_CJMP, 19)
+  RELOC_NUMBER (R_NIOS2_CALLR, 20)
+  RELOC_NUMBER (R_NIOS2_ALIGN, 21)
+  RELOC_NUMBER (R_NIOS2_GOT16, 22)
+  RELOC_NUMBER (R_NIOS2_CALL16, 23)
+  RELOC_NUMBER (R_NIOS2_GOTOFF_LO, 24)
+  RELOC_NUMBER (R_NIOS2_GOTOFF_HA, 25)
+  RELOC_NUMBER (R_NIOS2_PCREL_LO, 26)
+  RELOC_NUMBER (R_NIOS2_PCREL_HA, 27)
+  RELOC_NUMBER (R_NIOS2_TLS_GD16, 28)
+  RELOC_NUMBER (R_NIOS2_TLS_LDM16, 29)
+  RELOC_NUMBER (R_NIOS2_TLS_LDO16, 30)
+  RELOC_NUMBER (R_NIOS2_TLS_IE16, 31)
+  RELOC_NUMBER (R_NIOS2_TLS_LE16, 32)
+  RELOC_NUMBER (R_NIOS2_TLS_DTPMOD, 33)
+  RELOC_NUMBER (R_NIOS2_TLS_DTPREL, 34)
+  RELOC_NUMBER (R_NIOS2_TLS_TPREL, 35)
+  RELOC_NUMBER (R_NIOS2_COPY, 36)
+  RELOC_NUMBER (R_NIOS2_GLOB_DAT, 37)
+  RELOC_NUMBER (R_NIOS2_JUMP_SLOT, 38)
+  RELOC_NUMBER (R_NIOS2_RELATIVE, 39)
+  RELOC_NUMBER (R_NIOS2_GOTOFF, 40)
+  RELOC_NUMBER (R_NIOS2_ILLEGAL, 41)
+END_RELOC_NUMBERS (R_NIOS2_maxext)
+
+/* Processor-specific section flags.  */
+
+/* This is used to mark gp-relative sections.  */
+#define SHF_NIOS2_GPREL	0x10000000
+
+/* Processor-specific dynamic array tags.  */
+
+/* Address of _gp.  */
+#define DT_NIOS2_GP 0x70000002
+
+#endif /* _ELF_NIOS2_H */