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.

10 files changed, 210 insertions, 7 deletions

diff --git a/ld/emulparams/arcebelf.sh b/ld/emulparams/arcebelf.sh
new file mode 100644
index 0000000..994605e
--- /dev/null
+++ b/ld/emulparams/arcebelf.sh
@@ -0,0 +1,15 @@
+SCRIPT_NAME=elfarc
+TEMPLATE_NAME=elf32
+OUTPUT_FORMAT="elf32-bigarc"
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+# leave room for vector table, 32 vectors * 8 bytes
+TEXT_START_ADDR=0x100
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+#NONPAGED_TEXT_START_ADDR=0x0
+ARCH=arc
+MACHINE=
+ENTRY=__start
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
+EMBEDDED=yes
diff --git a/ld/emulparams/arcebelf_prof.sh b/ld/emulparams/arcebelf_prof.sh
new file mode 100644
index 0000000..1bd0531
--- /dev/null
+++ b/ld/emulparams/arcebelf_prof.sh
@@ -0,0 +1,21 @@
+SCRIPT_NAME=elfarc
+TEMPLATE_NAME=elf32
+OUTPUT_FORMAT="elf32-bigarc"
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+# leave room for vector table, 32 vectors * 8 bytes
+TEXT_START_ADDR=0x100
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+#NONPAGED_TEXT_START_ADDR=0x0
+ARCH=arc
+MACHINE=
+ENTRY=__start
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_READONLY_SECTIONS="
+  .__arc_profile_desc ${RELOCATING-0} : { *(.__arc_profile_desc) }
+  .__arc_profile_forward ${RELOCATING-0} : { *(.__arc_profile_forward) }
+"
+OTHER_BSS_SECTIONS="
+  .__arc_profile_counters ${RELOCATING-0} : { *(.__arc_profile_counters) }
+"
+EMBEDDED=yes
diff --git a/ld/emulparams/arceblinux.sh b/ld/emulparams/arceblinux.sh
new file mode 100644
index 0000000..54fd7a9
--- /dev/null
+++ b/ld/emulparams/arceblinux.sh
@@ -0,0 +1,17 @@
+SCRIPT_NAME=arclinux
+OUTPUT_FORMAT="elf32-bigarc"
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+TEXT_START_ADDR=0x10000
+MAXPAGESIZE=0x2000
+COMMONPAGESIZE=0x2000
+NONPAGED_TEXT_START_ADDR=0x10000
+ARCH=arc
+MACHINE=
+ENTRY=__start
+TEMPLATE_NAME=arclinux
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=arclinux
+GENERATE_SHLIB_SCRIPT=yes
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
diff --git a/ld/emulparams/arceblinux_prof.sh b/ld/emulparams/arceblinux_prof.sh
new file mode 100644
index 0000000..3b1ccdd
--- /dev/null
+++ b/ld/emulparams/arceblinux_prof.sh
@@ -0,0 +1,23 @@
+SCRIPT_NAME=arclinux
+OUTPUT_FORMAT="elf32-bigarc"
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+TEXT_START_ADDR=0x10000
+MAXPAGESIZE=0x2000
+COMMONPAGESIZE=0x2000
+NONPAGED_TEXT_START_ADDR=0x10000
+ARCH=arc
+MACHINE=
+ENTRY=__start
+TEMPLATE_NAME=arclinux
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=arclinux
+GENERATE_SHLIB_SCRIPT=yes
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_READONLY_SECTIONS="
+  .__arc_profile_desc ${RELOCATING-0} : { *(.__arc_profile_desc) }
+  .__arc_profile_forward ${RELOCATING-0} : { *(.__arc_profile_forward) }
+"
+OTHER_BSS_SECTIONS="
+  .__arc_profile_counters ${RELOCATING-0} : { *(.__arc_profile_counters) }
+"
diff --git a/ld/emulparams/arcelf.sh b/ld/emulparams/arcelf.sh
index cd334d6..14a3033 100644
--- a/ld/emulparams/arcelf.sh
+++ b/ld/emulparams/arcelf.sh
@@ -1,12 +1,19 @@
-SCRIPT_NAME=elf
-TEMPLATE_NAME=generic
-EXTRA_EM_FILE=genelf
-OUTPUT_FORMAT="elf32-littlearc"
+SCRIPT_NAME=elfarc
+TEMPLATE_NAME=elf32
+if [ "x${ARC_ENDIAN}" = "xbig" ]; then
+  OUTPUT_FORMAT="elf32-bigarc"
+else
+  OUTPUT_FORMAT="elf32-littlearc"
+fi
 LITTLE_OUTPUT_FORMAT="elf32-littlearc"
 BIG_OUTPUT_FORMAT="elf32-bigarc"
-NO_RELA_RELOCS=yes
-TEXT_START_ADDR=0x0
+# leave room for vector table, 32 vectors * 8 bytes
+TEXT_START_ADDR=0x100
 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+#NONPAGED_TEXT_START_ADDR=0x0
 ARCH=arc
 MACHINE=
-ENTRY=start
+ENTRY=__start
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
+EMBEDDED=yes
diff --git a/ld/emulparams/arcelf_prof.sh b/ld/emulparams/arcelf_prof.sh
new file mode 100644
index 0000000..0202002
--- /dev/null
+++ b/ld/emulparams/arcelf_prof.sh
@@ -0,0 +1,25 @@
+SCRIPT_NAME=elfarc
+TEMPLATE_NAME=elf32
+if [ "x${ARC_ENDIAN}" = "xbig" ]; then
+  OUTPUT_FORMAT="elf32-bigarc"
+else
+  OUTPUT_FORMAT="elf32-littlearc"
+fi
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+# leave room for vector table, 32 vectors * 8 bytes
+TEXT_START_ADDR=0x100
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+#NONPAGED_TEXT_START_ADDR=0x0
+ARCH=arc
+MACHINE=
+ENTRY=__start
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_READONLY_SECTIONS="
+  .__arc_profile_desc ${RELOCATING-0} : { *(.__arc_profile_desc) }
+  .__arc_profile_forward ${RELOCATING-0} : { *(.__arc_profile_forward) }
+"
+OTHER_BSS_SECTIONS="
+  .__arc_profile_counters ${RELOCATING-0} : { *(.__arc_profile_counters) }
+"
+EMBEDDED=yes
diff --git a/ld/emulparams/arclinux.sh b/ld/emulparams/arclinux.sh
new file mode 100644
index 0000000..452a272
--- /dev/null
+++ b/ld/emulparams/arclinux.sh
@@ -0,0 +1,21 @@
+SCRIPT_NAME=arclinux
+if [ "x${ARC_ENDIAN}" = "xbig" ]; then
+  OUTPUT_FORMAT="elf32-bigarc"
+else
+  OUTPUT_FORMAT="elf32-littlearc"
+fi
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+TEXT_START_ADDR=0x10000
+MAXPAGESIZE=0x2000
+COMMONPAGESIZE=0x2000
+NONPAGED_TEXT_START_ADDR=0x10000
+ARCH=arc
+MACHINE=
+ENTRY=__start
+TEMPLATE_NAME=arclinux
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=arclinux
+GENERATE_SHLIB_SCRIPT=yes
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
diff --git a/ld/emulparams/arclinux_prof.sh b/ld/emulparams/arclinux_prof.sh
new file mode 100644
index 0000000..fed098b
--- /dev/null
+++ b/ld/emulparams/arclinux_prof.sh
@@ -0,0 +1,27 @@
+SCRIPT_NAME=arclinux
+if [ "x${ARC_ENDIAN}" = "xbig" ]; then
+  OUTPUT_FORMAT="elf32-bigarc"
+else
+  OUTPUT_FORMAT="elf32-littlearc"
+fi
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+TEXT_START_ADDR=0x10000
+MAXPAGESIZE=0x2000
+COMMONPAGESIZE=0x2000
+NONPAGED_TEXT_START_ADDR=0x10000
+ARCH=arc
+MACHINE=
+ENTRY=__start
+TEMPLATE_NAME=arclinux
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=arclinux
+GENERATE_SHLIB_SCRIPT=yes
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_READONLY_SECTIONS="
+  .__arc_profile_desc ${RELOCATING-0} : { *(.__arc_profile_desc) }
+  .__arc_profile_forward ${RELOCATING-0} : { *(.__arc_profile_forward) }
+"
+OTHER_BSS_SECTIONS="
+  .__arc_profile_counters ${RELOCATING-0} : { *(.__arc_profile_counters) }
+"
diff --git a/ld/emulparams/arcv2elf.sh b/ld/emulparams/arcv2elf.sh
new file mode 100644
index 0000000..2793ea3
--- /dev/null
+++ b/ld/emulparams/arcv2elf.sh
@@ -0,0 +1,25 @@
+MACHINE=
+SCRIPT_NAME=elfarcv2
+if [ "x${ARC_ENDIAN}" = "xbig" ]; then
+  OUTPUT_FORMAT="elf32-bigarc"
+else
+  OUTPUT_FORMAT="elf32-littlearc"
+fi
+ICCM_SIZE=2M
+RAM_START_ADDR=0x80000000
+RAM_SIZE=2M
+STARTUP_MEMORY=ICCM
+TEXT_MEMORY=ICCM
+DATA_MEMORY=DCCM
+SDATA_MEMORY=DCCM
+ARCH=arc
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+EMBEDDED=yes
+GENERIC_BOARD=no
+TEMPLATE_NAME=elf32
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+TEXT_START_ADDR=0x100
+ENTRY=__start
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
diff --git a/ld/emulparams/arcv2elfx.sh b/ld/emulparams/arcv2elfx.sh
new file mode 100644
index 0000000..9999d8d
--- /dev/null
+++ b/ld/emulparams/arcv2elfx.sh
@@ -0,0 +1,22 @@
+MACHINE=
+SCRIPT_NAME=elfarcv2
+if [ "x${ARC_ENDIAN}" = "xbig" ]; then
+  OUTPUT_FORMAT="elf32-bigarc"
+else
+  OUTPUT_FORMAT="elf32-littlearc"
+fi
+STARTUP_MEMORY=startup
+TEXT_MEMORY=text
+DATA_MEMORY=data
+SDATA_MEMORY=sdata
+ARCH=arc
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+GENERIC_BOARD=yes
+TEMPLATE_NAME=elf32
+LITTLE_OUTPUT_FORMAT="elf32-littlearc"
+BIG_OUTPUT_FORMAT="elf32-bigarc"
+TEXT_START_ADDR=0x100
+ENTRY=__start
+SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
+EMBEDDED=yes