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, 17 insertions, 0 deletions

diff --git a/gas/Makefile.in b/gas/Makefile.in
index 5b3c223..84f746d 100644
--- a/gas/Makefile.in
+++ b/gas/Makefile.in
@@ -472,6 +472,7 @@ TARGET_CPU_CFILES = \
 	config/tc-pdp11.c \
 	config/tc-pj.c \
 	config/tc-ppc.c \
+	config/tc-riscv.c \
 	config/tc-rl78.c \
 	config/tc-rx.c \
 	config/tc-s390.c \
@@ -545,6 +546,7 @@ TARGET_CPU_HFILES = \
 	config/tc-pdp11.h \
 	config/tc-pj.h \
 	config/tc-ppc.h \
+	config/tc-riscv.h \
 	config/tc-rl78.h \
 	config/tc-rx.h \
 	config/tc-s390.h \
@@ -903,6 +905,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-pdp11.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-pj.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-ppc.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-riscv.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-rl78.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-rx.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-s390.Po@am__quote@
@@ -1623,6 +1626,20 @@ tc-ppc.obj: config/tc-ppc.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-ppc.obj `if test -f 'config/tc-ppc.c'; then $(CYGPATH_W) 'config/tc-ppc.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-ppc.c'; fi`
 
+tc-riscv.o: config/tc-riscv.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-riscv.o -MD -MP -MF $(DEPDIR)/tc-riscv.Tpo -c -o tc-riscv.o `test -f 'config/tc-riscv.c' || echo '$(srcdir)/'`config/tc-riscv.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/tc-riscv.Tpo $(DEPDIR)/tc-riscv.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='config/tc-riscv.c' object='tc-riscv.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-riscv.o `test -f 'config/tc-riscv.c' || echo '$(srcdir)/'`config/tc-riscv.c
+
+tc-riscv.obj: config/tc-riscv.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-riscv.obj -MD -MP -MF $(DEPDIR)/tc-riscv.Tpo -c -o tc-riscv.obj `if test -f 'config/tc-riscv.c'; then $(CYGPATH_W) 'config/tc-riscv.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-riscv.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/tc-riscv.Tpo $(DEPDIR)/tc-riscv.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='config/tc-riscv.c' object='tc-riscv.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-riscv.obj `if test -f 'config/tc-riscv.c'; then $(CYGPATH_W) 'config/tc-riscv.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-riscv.c'; fi`
+
 tc-rl78.o: config/tc-rl78.c
 @am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-rl78.o -MD -MP -MF $(DEPDIR)/tc-rl78.Tpo -c -o tc-rl78.o `test -f 'config/tc-rl78.c' || echo '$(srcdir)/'`config/tc-rl78.c
 @am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/tc-rl78.Tpo $(DEPDIR)/tc-rl78.Po