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, 24 insertions, 8 deletions

diff --git a/include/elf/arc.h b/include/elf/arc.h
index 62398e1..707aeb4 100644
--- a/include/elf/arc.h
+++ b/include/elf/arc.h
@@ -28,25 +28,41 @@
 
 /* Relocations.  */
 
+#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
+  RELOC_NUMBER(R_##TYPE, VALUE)
+
 START_RELOC_NUMBERS (elf_arc_reloc_type)
-  RELOC_NUMBER (R_ARC_NONE, 0)
-  RELOC_NUMBER (R_ARC_32, 1)
-  RELOC_NUMBER (R_ARC_B26, 2)
-  RELOC_NUMBER (R_ARC_B22_PCREL, 3)
+#include "arc-reloc.def"
 END_RELOC_NUMBERS (R_ARC_max)
 
+#undef ARC_RELOC_HOWTO
+
 /* Processor specific flags for the ELF header e_flags field.  */
 
 /* Four bit ARC machine type field.  */
+#define EF_ARC_MACH_MSK	 0x000000ff
+#define EF_ARC_OSABI_MSK 0x00000f00
+#define EF_ARC_ALL_MSK	 (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK)
+
+/* Four bit ARC machine type field.  */
 
 #define EF_ARC_MACH 0x0000000f
 
 /* Various CPU types.  */
+#define E_ARC_MACH_ARC600	0x00000002
+#define E_ARC_MACH_ARC601	0x00000004
+#define E_ARC_MACH_ARC700	0x00000003
 
-#define E_ARC_MACH_ARC5 0
-#define E_ARC_MACH_ARC6 1	
-#define E_ARC_MACH_ARC7 2
-#define E_ARC_MACH_ARC8 3
+/* Processor specific flags for the ELF header e_flags field.  */
+#define EF_ARC_CPU_GENERIC      0x00000000
+#define EF_ARC_CPU_ARCV2EM      0x00000005
+#define EF_ARC_CPU_ARCV2HS      0x00000006
+
+/* ARC Linux specific ABIs.  */
+#define E_ARC_OSABI_ORIG	0x00000000   /* MUST be 0 for back-compat.  */
+#define E_ARC_OSABI_V2		0x00000200
+#define E_ARC_OSABI_V3		0x00000300
+#define E_ARC_OSABI_CURRENT	E_ARC_OSABI_V3
 
 /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.  */