New ARC implementation.

bfd	* archures.c: Remove support for older ARC. Added support for new
	ARC cpus (ARC600, ARC601, ARC700, ARCV2).
	* bfd-in2.h: Likewise.
	* config.bfd: Likewise.
	* cpu-arc.c: Likewise.
	* elf32-arc.c: Totally changed file with a refactored
	inplementation of the ARC port.
	* libbfd.h: Added ARC specific relocation types.
	* reloc.c: Likewise.

gas     * config/tc-arc.c: Revamped file for ARC support.
        * config/tc-arc.h: Likewise.
        * doc/as.texinfo: Add new ARC options.
        * doc/c-arc.texi: Likewise.

ld	* configure.tgt: Added target arc-*-elf* and arc*-*-linux-uclibc*.
	* emulparams/arcebelf_prof.sh: New file
	* emulparams/arcebelf.sh: Likewise.
	* emulparams/arceblinux_prof.sh: Likewise.
	* emulparams/arceblinux.sh: Likewise.
	* emulparams/arcelf_prof.sh: Likewise.
	* emulparams/arcelf.sh: Likewise.
	* emulparams/arclinux_prof.sh: Likewise.
	* emulparams/arclinux.sh: Likewise.
	* emulparams/arcv2elfx.sh: Likewise.
	* emulparams/arcv2elf.sh: Likewise.
	* emultempl/arclinux.em: Likewise.
	* scripttempl/arclinux.sc: Likewise.
	* scripttempl/elfarc.sc: Likewise.
	* scripttempl/elfarcv2.sc: Likewise
	* Makefile.am: Add new ARC emulations.
	* Makefile.in: Regenerate.
	* NEWS: Mention the new feature.

opcodes * arc-dis.c: Revamped file for ARC support
	* arc-dis.h: Likewise.
	* arc-ext.c: Likewise.
	* arc-ext.h: Likewise.
	* arc-opc.c: Likewise.
	* arc-fxi.h: New file.
	* arc-regs.h: Likewise.
	* arc-tbl.h: Likewise.

binutils * readelf.c (get_machine_name): Remove A5 reference. Add ARCompact
	and ARCv2.
	(get_machine_flags): Handle EM_ARCV2 and EM_ARCOMPACT.
	(guess_is_rela): Likewise.
	(dump_relocations): Likewise.
	(is_32bit_abs_reloc): Likewise.
	(is_16bit_abs_reloc): Likewise.
	(is_none_reloc): Likewise.
	* NEWS: Mention the new feature.

include	* dis-asm.h (arc_get_disassembler): Correct declaration.
	* arc-reloc.def: Macro file with definition of all relocation
	types.
	* arc.h: Changed macros for the newly supported ARC cpus.  Altered
	enum defining the supported relocations.
	* common.h: Changed EM_ARC_A5 definition to EM_ARC_COMPACT. Added
	macro for EM_ARC_COMPACT2.
        * arc-func.h: New file.
        * arc.h: Likewise.

1 files changed, 34 insertions, 11 deletions

diff --git a/opcodes/arc-dis.h b/opcodes/arc-dis.h
index dc73322..bcb88e5 100644
--- a/opcodes/arc-dis.h
+++ b/opcodes/arc-dis.h
@@ -1,6 +1,7 @@
 /* Disassembler structures definitions for the ARC.
    Copyright (C) 1994-2015 Free Software Foundation, Inc.
-   Contributed by Doug Evans (dje@cygnus.com).
+
+   Contributed by Claudiu Zissulescu (claziss@synopsys.com)
 
    This file is part of libopcodes.
 
@@ -21,11 +22,15 @@
 #ifndef ARCDIS_H
 #define ARCDIS_H
 
-enum
+enum ARC_Debugger_OperandType
 {
-  BR_exec_when_no_jump,
-  BR_exec_always,
-  BR_exec_when_jump
+    ARC_UNDEFINED,
+    ARC_LIMM,
+    ARC_SHIMM,
+    ARC_REGISTER,
+    ARCOMPACT_REGISTER /* Valid only for the
+			  registers allowed in
+			  16 bit mode.  */
 };
 
 enum Flow
@@ -38,7 +43,13 @@ enum Flow
   invalid_instr
 };
 
-enum { no_reg = 99 };
+enum NullifyMode
+{
+  BR_exec_when_no_jump,
+  BR_exec_always,
+  BR_exec_when_jump
+};
+
 enum { allOperandsSize = 256 };
 
 struct arcDisState
@@ -53,10 +64,21 @@ struct arcDisState
 
   unsigned char* instruction;
   unsigned index;
-  const char *comm[6]; /* instr name, cond, NOP, 3 operands  */
+  const char *comm[6]; /* Instr name, cond, NOP, 3 operands.  */
+
+  union
+  {
+    unsigned int registerNum;
+    unsigned int shortimm;
+    unsigned int longimm;
+  } source_operand;
+  enum ARC_Debugger_OperandType sourceType;
+
   int opWidth;
   int targets[4];
-  int addresses[4];
+  /* START ARC LOCAL.  */
+  unsigned int addresses[4];
+  /* END ARC LOCAL.  */
   /* Set as a side-effect of calling the disassembler.
      Used only by the debugger.  */
   enum Flow flow;
@@ -68,15 +90,16 @@ struct arcDisState
   char instrBuffer[40];
   char operandBuffer[allOperandsSize];
   char _ea_present;
+  char _addrWriteBack; /* Address writeback.  */
   char _mem_load;
   char _load_len;
-  char nullifyMode;
+  enum NullifyMode nullifyMode;
   unsigned char commNum;
   unsigned char isBranch;
   unsigned char tcnt;
   unsigned char acnt;
 };
 
-#define __TRANSLATION_REQUIRED(state) ((state).acnt != 0)
-
+struct arcDisState
+arcAnalyzeInstr (bfd_vma memaddr, struct disassemble_info *);
 #endif