Add support for RISC-V architecture.

bfd	* Makefile.am: Add entries for riscv32-elf and riscv64-elf.
	* config.bdf: Likewise.
	* configure.ac: Likewise.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* archures.c: Add bfd_riscv_arch.
	* reloc.c: Add riscv relocs.
	* targets.c: Add riscv_elf32_vec and riscv_elf64_vec.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* elf-bfd.h: Add RISCV_ELF_DATA to enum elf_target_id.
	* elfnn-riscv.c: New file.
	* elfxx-riscv.c: New file.
	* elfxx-riscv.h: New file.

binutils* readelf.c (guess_is_rela): Add EM_RISCV.
	(get_machine_name): Likewise.
	(dump_relocations): Add support for riscv relocations.
	(get_machine_flags): Add support for riscv flags.
	(is_32bit_abs_reloc): Add R_RISCV_32.
	(is_64bit_abs_reloc): Add R_RISCV_64.
	(is_none_reloc): Add R_RISCV_NONE.
	* testsuite/binutils-all/objdump.exp (cpus_expected): Add riscv.
	Expect the debug_ranges test to fail.

gas	* Makefile.am: Add riscv files.
	* Makefile.in: Regenerate.
	* NEWS: Mention the support for this architecture.
	* configure.in: Define a default architecture.
	* configure: Regenerate.
	* configure.tgt: Add entries for riscv.
	* doc/as.texinfo: Likewise.
	* testsuite/gas/all/gas.exp: Expect the redef tests to fail.
	* testsuite/gas/elf/elf.exp: Expect the groupauto tests to fail.
	* config/tc-riscv.c: New file.
	* config/tc-riscv.h: New file.
	* doc/c-riscv.texi: New file.
	* testsuite/gas/riscv: New directory.
	* testsuite/gas/riscv/riscv.exp: New file.
	* testsuite/gas/riscv/t_insns.d: New file.
	* testsuite/gas/riscv/t_insns.s: New file.

ld	* Makefile.am: Add riscv files.
	* Makefile.in: Regenerate.
	* NEWS: Mention the support for this target.
	* configure.tgt: Add riscv entries.
	* emulparams/elf32lriscv-defs.sh: New file.
	* emulparams/elf32lriscv.sh: New file.
	* emulparams/elf64lriscv-defs.sh: New file.
	* emulparams/elf64lriscv.sh: New file.
	* emultempl/riscvelf.em: New file.

opcodes	* configure.ac: Add entry for bfd_riscv_arch.
	* configure: Regenerate.
	* disassemble.c (disassembler): Add support for riscv.
	(disassembler_usage): Likewise.
	* riscv-dis.c: New file.
	* riscv-opc.c: New file.

include	* dis-asm.h: Add prototypes for print_insn_riscv and
	print_riscv_disassembler_options.
	* elf/riscv.h: New file.
	* opcode/riscv-opc.h: New file.
	* opcode/riscv.h: New file.

1 files changed, 2 insertions, 0 deletions

diff --git a/bfd/configure b/bfd/configure
index 8284069..68db12f 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -14475,6 +14475,8 @@ do
     powerpc_pei_vec)		 tb="$tb pei-ppc.lo peigen.lo $coff" ;;
     powerpc_pei_le_vec)		 tb="$tb pei-ppc.lo peigen.lo $coff" ;;
     powerpc_xcoff_vec)		 tb="$tb coff-rs6000.lo $xcoff" ;;
+    riscv_elf32_vec)		 tb="$tb elf32-riscv.lo elfxx-riscv.lo elf32.lo $elf" ;;
+    riscv_elf64_vec)		 tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf32.lo $elf"; target_size=64 ;;
     rl78_elf32_vec)		 tb="$tb elf32-rl78.lo elf32.lo $elf" ;;
     rs6000_xcoff64_vec)		 tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
     rs6000_xcoff64_aix_vec)	 tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;