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.

4 files changed, 491 insertions, 9 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 8e6bb44..5e4605d 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,12 @@
+2015-10-07  Cupertino Miranda  <cmiranda@synopsys.com>
+
+	* 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.
+
 2015-09-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* common.h (DF_1_STUB, DF_1_PIE): Define.
diff --git a/include/elf/arc-reloc.def b/include/elf/arc-reloc.def
new file mode 100644
index 0000000..e2ff871
--- /dev/null
+++ b/include/elf/arc-reloc.def
@@ -0,0 +1,456 @@
+
+ARC_RELOC_HOWTO(ARC_NONE, 0, \
+                2, \
+                32, \
+                replace_none, \
+                bitfield, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_8, 1, \
+                0, \
+                8, \
+                replace_bits8, \
+                bitfield, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_16, 2, \
+                1, \
+                16, \
+                replace_bits16, \
+                bitfield, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_24, 3, \
+                2, \
+                24, \
+                replace_bits24, \
+                bitfield, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_32, 4, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_N8, 8, \
+                0, \
+                8, \
+                replace_bits8, \
+                bitfield, \
+                ( S - A ))
+
+ARC_RELOC_HOWTO(ARC_N16, 9, \
+                1, \
+                16, \
+                replace_bits16, \
+                bitfield, \
+                ( S - A ))
+
+ARC_RELOC_HOWTO(ARC_N24, 10, \
+                2, \
+                24, \
+                replace_bits24, \
+                bitfield, \
+                ( S - A ))
+
+ARC_RELOC_HOWTO(ARC_N32, 11, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( S - A ))
+
+ARC_RELOC_HOWTO(ARC_SDA, 12, \
+                2, \
+                9, \
+                replace_disp9, \
+                bitfield, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_SECTOFF, 13, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( S - SECTSTART ) + A ))
+
+ARC_RELOC_HOWTO(ARC_S21H_PCREL, 14, \
+                2, \
+                20, \
+                replace_disp21h, \
+                signed, \
+                ( ( ( S + A ) - P ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_S21W_PCREL, 15, \
+                2, \
+                19, \
+                replace_disp21w, \
+                signed, \
+                ( ( ( S + A ) - P ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_S25H_PCREL, 16, \
+                2, \
+                24, \
+                replace_disp25h, \
+                signed, \
+                ( ( ( S + A ) - P ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_S25W_PCREL, 17, \
+                2, \
+                23, \
+                replace_disp25w, \
+                signed, \
+                ( ( ( S + A ) - P ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_SDA32, 18, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( ( S + A ) - _SDA_BASE_ ))
+
+ARC_RELOC_HOWTO(ARC_SDA_LDST, 19, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                signed, \
+                ( ( S + A ) - _SDA_BASE_ ))
+
+ARC_RELOC_HOWTO(ARC_SDA_LDST1, 20, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                signed, \
+                ( ( ( S + A ) - _SDA_BASE_ ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_SDA_LDST2, 21, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                signed, \
+                ( ( ( S + A ) - _SDA_BASE_ ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_SDA16_LD, 22, \
+                1, \
+                9, \
+                replace_disp9s, \
+                signed, \
+                ( ( S + A ) - _SDA_BASE_ ))
+
+ARC_RELOC_HOWTO(ARC_SDA16_LD1, 23, \
+                1, \
+                9, \
+                replace_disp9s, \
+                signed, \
+                ( ( ( S + A ) - _SDA_BASE_ ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_SDA16_LD2, 24, \
+                1, \
+                9, \
+                replace_disp9s, \
+                signed, \
+                ( ( ( S + A ) - _SDA_BASE_ ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_S13_PCREL, 25, \
+                1, \
+                11, \
+                replace_disp13s, \
+                signed, \
+                ( ( ( S + A ) - P ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_W, 26, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( S + A ) & ( ~3 ) ))
+
+ARC_RELOC_HOWTO(ARC_32_ME, 27, \
+                2, \
+                32, \
+                replace_limm, \
+                signed, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_32_ME_S, 105, \
+                2, \
+                32, \
+                replace_limms, \
+                signed, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_N32_ME, 28, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( S - A ))
+
+ARC_RELOC_HOWTO(ARC_SECTOFF_ME, 29, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( S - SECTSTART ) + A ))
+
+ARC_RELOC_HOWTO(ARC_SDA32_ME, 30, \
+                2, \
+                32, \
+                replace_limm, \
+                signed, \
+                ( ( S + A ) - _SDA_BASE_ ))
+
+ARC_RELOC_HOWTO(ARC_W_ME, 31, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(AC_SECTOFF_U8, 35, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                bitfield, \
+                ( ( S + A ) - SECTSTART ))
+
+ARC_RELOC_HOWTO(AC_SECTOFF_U8_1, 36, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                bitfield, \
+                ( ( ( S + A ) - SECTSTART ) >> 1 ))
+
+ARC_RELOC_HOWTO(AC_SECTOFF_U8_2, 37, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                bitfield, \
+                ( ( ( S + A ) - SECTSTART ) >> 2 ))
+
+ARC_RELOC_HOWTO(AC_SECTFOFF_S9, 38, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                bitfield, \
+                ( ( S + A ) - SECTSTART ))
+
+ARC_RELOC_HOWTO(AC_SECTFOFF_S9_1, 39, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                bitfield, \
+                ( ( ( S + A ) - SECTSTART ) >> 1 ))
+
+ARC_RELOC_HOWTO(AC_SECTFOFF_S9_2, 40, \
+                2, \
+                9, \
+                replace_disp9ls, \
+                bitfield, \
+                ( ( ( S + A ) - SECTSTART ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_SECTOFF_ME_1, 41, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( ( S - SECTSTART ) + A ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_SECTOFF_ME_2, 42, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( ( S - SECTSTART ) + A ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_SECTOFF_1, 43, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( ( S - SECTSTART ) + A ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_SECTOFF_2, 44, \
+                2, \
+                32, \
+                replace_word32, \
+                bitfield, \
+                ( ( ( S - SECTSTART ) + A ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_SDA16_ST2, 48, \
+                1, \
+                9, \
+                replace_disp9s1, \
+                signed, \
+                ( ( ( S + A ) - _SDA_BASE_ ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_PC32, 50, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( ( S + A ) - P ))
+
+ARC_RELOC_HOWTO(ARC_GOT32, 59, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( G + A ))
+
+ARC_RELOC_HOWTO(ARC_GOTPC32, 51, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( ( ( GOT + G ) + A ) - P ))
+
+ARC_RELOC_HOWTO(ARC_PLT32, 52, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( ( L + A ) - P ))
+
+ARC_RELOC_HOWTO(ARC_COPY, 53, \
+                2, \
+                0, \
+                replace_none, \
+                signed, \
+                none)
+
+ARC_RELOC_HOWTO(ARC_GLOB_DAT, 54, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                S)
+
+ARC_RELOC_HOWTO(ARC_JMP_SLOT, 55, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                S)
+
+ARC_RELOC_HOWTO(ARC_RELATIVE, 56, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( B + A ))
+
+ARC_RELOC_HOWTO(ARC_GOTOFF, 57, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( ( S + A ) - GOT ))
+
+ARC_RELOC_HOWTO(ARC_GOTPC, 58, \
+                2, \
+                32, \
+                replace_word32, \
+                signed, \
+                ( ( GOT + A ) - P ))
+
+ARC_RELOC_HOWTO(ARC_S21W_PCREL_PLT, 60, \
+                2, \
+                19, \
+                replace_disp21w, \
+                signed, \
+                ( ( ( L + A ) - P ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_S25H_PCREL_PLT, 61, \
+                2, \
+                24, \
+                replace_disp25h, \
+                signed, \
+                ( ( ( L + A ) - P ) >> 1 ))
+
+ARC_RELOC_HOWTO(ARC_TLS_DTPMOD, 66, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_DTPOFF, 67, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_TPOFF, 68, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_GD_GOT, 69, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_GD_LD, 70, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_GD_CALL, 71, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_IE_GOT, 72, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_DTPOFF_S9, 73, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_LE_S9, 74, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_TLS_LE_32, 75, \
+                2, \
+                32, \
+                replace_word32, \
+                dont, \
+                0)
+
+ARC_RELOC_HOWTO(ARC_S25W_PCREL_PLT, 76, \
+                2, \
+                23, \
+                replace_disp25w, \
+                signed, \
+                ( ( ( L + A ) - P ) >> 2 ))
+
+ARC_RELOC_HOWTO(ARC_S21H_PCREL_PLT, 77, \
+                2, \
+                20, \
+                replace_disp21h, \
+                signed, \
+                ( ( ( L + A ) - P ) >> 1 ))
+
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.  */
 
diff --git a/include/elf/common.h b/include/elf/common.h
index fbf1f3c..bb15b7d 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -194,7 +194,7 @@
 #define EM_MN10200	 90	/* Matsushita MN10200 */
 #define EM_PJ		 91	/* picoJava */
 #define EM_OR1K		 92	/* OpenRISC 1000 32-bit embedded processor */
-#define EM_ARC_A5	 93	/* ARC Cores Tangent-A5 */
+#define EM_ARC_COMPACT	 93	/* ARC International ARCompact processor */
 #define EM_XTENSA	 94	/* Tensilica Xtensa Architecture */
 #define EM_VIDEOCORE	 95	/* Alphamosaic VideoCore processor */
 #define EM_TMM_GPP	 96	/* Thompson Multimedia General Purpose Processor */
@@ -295,6 +295,7 @@
 #define EM_MICROBLAZE	189	/* Xilinx MicroBlaze 32-bit RISC soft processor core */
 #define EM_CUDA		190	/* NVIDIA CUDA architecture */
 #define EM_TILEGX	191	/* Tilera TILE-Gx multicore architecture family */
+#define EM_ARC_COMPACT2 195	/* Synopsys ARCompact V2 */
 #define EM_RL78		197	/* Renesas RL78 family.  */
 #define EM_78K0R	199	/* Renesas 78K0R.  */
 #define EM_INTEL205	205	/* Reserved by Intel */