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.

4 files changed, 43 insertions, 0 deletions

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 2eedde7..9a0701b 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,18 @@
+2013-02-06  Sandra Loosemore  <sandra@codesourcery.com>
+            Andrew Jenner <andrew@codesourcery.com>
+
+	Based on patches from Altera Corporation.
+
+	* 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.
+
 2013-01-29  Xi Wang  <xi.wang@gmail.com>
 
 	* readelf.c (process_version_sections): Fix overflow checks to
diff --git a/binutils/MAINTAINERS b/binutils/MAINTAINERS
index f887dcd..2a1ac61 100644
--- a/binutils/MAINTAINERS
+++ b/binutils/MAINTAINERS
@@ -107,6 +107,8 @@ responsibility among the other maintainers.
   Moxie		   Anthony Green <green@moxielogic.com>
   MSP430	   Dmitry Diky <diwil@spec.ru>
   NetBSD support   Matt Thomas <matt@netbsd.org>
+  Nios II	   Sandra Loosemore <sandra@codesourcery.com>
+  Nios II	   Andrew Jenner <andrew@codesourcery.com>
   PPC		   Geoff Keating <geoffk@geoffk.org>
   PPC		   Alan Modra <amodra@gmail.com>
   PPC vector ext   Aldy Hernandez <aldyh@redhat.com>
diff --git a/binutils/NEWS b/binutils/NEWS
index 2d36dbc..9140043 100644
--- a/binutils/NEWS
+++ b/binutils/NEWS
@@ -1,5 +1,7 @@
 -*- text -*-
 
+* Add support for Altera Nios II.
+
 Changes in 2.23:
 
 * Add support for the VLE extension to the PowerPC architecture.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index ae211a7..7710079 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -153,6 +153,8 @@
 #include "elf/xstormy16.h"
 #include "elf/xtensa.h"
 
+#include "elf/nios2.h"
+
 #include "getopt.h"
 #include "libiberty.h"
 #include "safe-ctype.h"
@@ -1288,6 +1290,10 @@ dump_relocations (FILE * file,
 	case EM_XGATE:
 	  rtype = elf_xgate_reloc_type (type);
 	  break;
+
+	case EM_ALTERA_NIOS2:
+	  rtype = elf_nios2_reloc_type (type);
+	  break;
 	}
 
       if (rtype == NULL)
@@ -1687,6 +1693,17 @@ get_tic6x_dynamic_type (unsigned long type)
 }
 
 static const char *
+get_nios2_dynamic_type (unsigned long type)
+{
+  switch (type)
+    {
+    case DT_NIOS2_GP: return "NIOS2_GP";
+    default:
+      return NULL;
+    }
+}
+
+static const char *
 get_dynamic_type (unsigned long type)
 {
   static char buff[64];
@@ -1800,6 +1817,9 @@ get_dynamic_type (unsigned long type)
 	    case EM_TI_C6000:
 	      result = get_tic6x_dynamic_type (type);
 	      break;
+	    case EM_ALTERA_NIOS2:
+	      result = get_nios2_dynamic_type (type);
+	      break;
 	    default:
 	      result = NULL;
 	      break;
@@ -10074,6 +10094,7 @@ is_32bit_abs_reloc (unsigned int reloc_type)
     case EM_MT:
       return reloc_type == 2; /* R_MT_32.  */
     case EM_ALTERA_NIOS2:
+      return reloc_type == 12; /* R_NIOS2_BFD_RELOC_32.  */
     case EM_NIOS32:
       return reloc_type == 1; /* R_NIOS_32.  */
     case EM_OPENRISC:
@@ -10324,6 +10345,7 @@ is_16bit_abs_reloc (unsigned int reloc_type)
     case EM_MSP430_OLD:
       return reloc_type == 5; /* R_MSP430_16_BYTE.  */
     case EM_ALTERA_NIOS2:
+      return reloc_type == 13; /* R_NIOS2_BFD_RELOC_16.  */
     case EM_NIOS32:
       return reloc_type == 9; /* R_NIOS_16.  */
     case EM_TI_C6000:
@@ -10380,6 +10402,8 @@ is_none_reloc (unsigned int reloc_type)
     case EM_TILEPRO: /* R_TILEPRO_NONE.  */
     case EM_XC16X:
     case EM_C166:    /* R_XC16X_NONE.  */
+    case EM_ALTERA_NIOS2: /* R_NIOS2_NONE.  */
+    case EM_NIOS32:  /* R_NIOS_NONE.  */
       return reloc_type == 0;
     case EM_AARCH64:
       return reloc_type == 0 || reloc_type == 256;