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.

6 files changed, 80 insertions, 0 deletions

diff --git a/ld/emulparams/nds32belf.sh b/ld/emulparams/nds32belf.sh
new file mode 100644
index 0000000..eee48fa
--- /dev/null
+++ b/ld/emulparams/nds32belf.sh
@@ -0,0 +1,2 @@
+. ${srcdir}/emulparams/nds32elf.sh
+OUTPUT_FORMAT="$BIG_OUTPUT_FORMAT"
diff --git a/ld/emulparams/nds32belf16m.sh b/ld/emulparams/nds32belf16m.sh
new file mode 100644
index 0000000..9839f7b
--- /dev/null
+++ b/ld/emulparams/nds32belf16m.sh
@@ -0,0 +1,2 @@
+. ${srcdir}/emulparams/nds32elf16m.sh
+OUTPUT_FORMAT="$BIG_OUTPUT_FORMAT"
diff --git a/ld/emulparams/nds32belf_linux.sh b/ld/emulparams/nds32belf_linux.sh
new file mode 100644
index 0000000..bc99e38
--- /dev/null
+++ b/ld/emulparams/nds32belf_linux.sh
@@ -0,0 +1,2 @@
+. ${srcdir}/emulparams/nds32elf_linux.sh
+OUTPUT_FORMAT="$BIG_OUTPUT_FORMAT"
diff --git a/ld/emulparams/nds32elf.sh b/ld/emulparams/nds32elf.sh
new file mode 100644
index 0000000..c12048d
--- /dev/null
+++ b/ld/emulparams/nds32elf.sh
@@ -0,0 +1,19 @@
+TEXT_START_ADDR=0x500000
+# This sets the stack to the top of simulator memory (48MB).
+OTHER_END_SYMBOLS='PROVIDE (_stack = 0x3000000);'
+
+SCRIPT_NAME=nds32elf
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=nds32elf
+BIG_OUTPUT_FORMAT="elf32-nds32be"
+LITTLE_OUTPUT_FORMAT="elf32-nds32le"
+OUTPUT_FORMAT="$LITTLE_OUTPUT_FORMAT"
+ARCH=nds32
+MACHINE=
+MAXPAGESIZE=0x20
+EMBEDDED=yes
+COMMONPAGESIZE=0x20
+
+# Instruct genscripts.sh not to compile scripts in by COMPILE_IN
+# in order to use external linker scripts files.
+EMULATION_LIBPATH=
diff --git a/ld/emulparams/nds32elf16m.sh b/ld/emulparams/nds32elf16m.sh
new file mode 100644
index 0000000..7d3b063
--- /dev/null
+++ b/ld/emulparams/nds32elf16m.sh
@@ -0,0 +1,19 @@
+TEXT_START_ADDR=0x300000
+# This sets the stack to the top of simulator memory (48MB).
+OTHER_END_SYMBOLS='PROVIDE (_stack = 0x780000);'
+
+SCRIPT_NAME=nds32elf
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=nds32elf
+BIG_OUTPUT_FORMAT="elf32-nds32be"
+LITTLE_OUTPUT_FORMAT="elf32-nds32le"
+OUTPUT_FORMAT="$LITTLE_OUTPUT_FORMAT"
+ARCH=nds32
+MACHINE=
+MAXPAGESIZE=0x20
+EMBEDDED=yes
+COMMONPAGESIZE=0x20
+
+# Instruct genscripts.sh not to compile scripts in by COMPILE_IN
+# in order to use external linker scripts files.
+EMULATION_LIBPATH=
diff --git a/ld/emulparams/nds32elf_linux.sh b/ld/emulparams/nds32elf_linux.sh
new file mode 100644
index 0000000..6d89f79
--- /dev/null
+++ b/ld/emulparams/nds32elf_linux.sh
@@ -0,0 +1,36 @@
+DEFAULT_TEXT_START_ADDR=0
+DEFAULT_STACK_START_ADDR=0
+MACHINE=
+SCRIPT_NAME=nds32elf
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=nds32elf
+BIG_OUTPUT_FORMAT="elf32-nds32be-linux"
+LITTLE_OUTPUT_FORMAT="elf32-nds32le-linux"
+OUTPUT_FORMAT="$LITTLE_OUTPUT_FORMAT"
+LIB_PATH="=/usr/local/lib:=/lib:=/usr/lib/"
+
+if [ "${DEFAULT_TEXT_START_ADDR}" = "0" ]; then
+    TEXT_START_ADDR=0x8000
+else
+    TEXT_START_ADDR=${DEFAULT_TEXT_START_ADDR}
+fi
+
+ARCH=nds32
+MACHINE=
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
+
+# Hmmm, there's got to be a better way.  This sets the stack to the
+# top of simulator memory (32MB).
+if [ "${DEFAULT_STACK_START_ADDR}" = "0" ]; then
+    OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = 0x2000000);'
+else
+    OTHER_RELOCATING_SECTIONS="PROVIDE (_stack = ${DEFAULT_STACK_START_ADDR});"
+fi
+
+GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes
+
+# Instruct genscripts.sh not to compile scripts in by COMPILE_IN
+# in order to use external linker scripts files.
+EMULATION_LIBPATH=