[ARC] Object attributes.

gas/
2017-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* testsuite/gas/arc/attr-arc600.d: New file.
	* testsuite/gas/arc/attr-arc600_mul32x16.d: Likewise.
	* testsuite/gas/arc/attr-arc600_norm.d: Likewise.
	* testsuite/gas/arc/attr-arc601.d: Likewise.
	* testsuite/gas/arc/attr-arc601_mul32x16.d: Likewise.
	* testsuite/gas/arc/attr-arc601_mul64.d: Likewise.
	* testsuite/gas/arc/attr-arc601_norm.d: Likewise.
	* testsuite/gas/arc/attr-arc700.d: Likewise.
	* testsuite/gas/arc/attr-arcem.d: Likewise.
	* testsuite/gas/arc/attr-archs.d: Likewise.
	* testsuite/gas/arc/attr-autodetect-1.d: Likewise.
	* testsuite/gas/arc/attr-autodetect-1.s: Likewise.
	* testsuite/gas/arc/attr-cpu-a601.d: Likewise.
	* testsuite/gas/arc/attr-cpu-a601.s: Likewise.
	* testsuite/gas/arc/attr-cpu-a700.d: Likewise.
	* testsuite/gas/arc/attr-cpu-a700.s: Likewise.
	* testsuite/gas/arc/attr-cpu-em.d: Likewise.
	* testsuite/gas/arc/attr-cpu-em.s: Likewise.
	* testsuite/gas/arc/attr-cpu-hs.d: Likewise.
	* testsuite/gas/arc/attr-cpu-hs.s: Likewise.
	* testsuite/gas/arc/attr-em.d: Likewise.
	* testsuite/gas/arc/attr-em4.d: Likewise.
	* testsuite/gas/arc/attr-em4_dmips.d: Likewise.
	* testsuite/gas/arc/attr-em4_fpuda.d: Likewise.
	* testsuite/gas/arc/attr-em4_fpus.d: Likewise.
	* testsuite/gas/arc/attr-hs.d: Likewise.
	* testsuite/gas/arc/attr-hs34.d: Likewise.
	* testsuite/gas/arc/attr-hs38.d: Likewise.
	* testsuite/gas/arc/attr-hs38_linux.d: Likewise.
	* testsuite/gas/arc/attr-mul64.d: Likewise.
	* testsuite/gas/arc/attr-name.d: Likewise.
	* testsuite/gas/arc/attr-name.s: Likewise.
	* testsuite/gas/arc/attr-nps400.d: Likewise.
	* testsuite/gas/arc/attr-override-mcpu.d: Likewise.
	* testsuite/gas/arc/attr-override-mcpu.s
	* testsuite/gas/arc/attr-quarkse_em.d: Likewise.
	* testsuite/gas/arc/blank.s: Likewise.
	* testsuite/gas/elf/section2.e-arc: Likewise.
	* testsuite/gas/arc/cpu-pseudop-1.d: Update test.
	* testsuite/gas/arc/cpu-pseudop-2.d: Likewise.
	* testsuite/gas/arc/nps400-0.d: Likewise.
	* testsuite/gas/elf/elf.exp: Set target_machine for ARC.
	* config/tc-arc.c (opcode/arc-attrs.h): Include.
	(ARC_GET_FLAG, ARC_SET_FLAG, streq): Define.
	(arc_attribute): Declare new function.
	(md_pseudo_table): Add arc_attribute.
	(cpu_types): Rename default cpu features.
	(selected_cpu): Set the default OSABI flag.
	(mpy_option): New variable.
	(pic_option): Likewise.
	(sda_option): Likewise.
	(tls_option): Likewise.
	(feature_type, feature_list): Remove.
	(arc_initial_eflag): Likewise.
	(attributes_set_explicitly): New variable.
	(arc_check_feature): Check also for the conflicting features.
	(arc_select_cpu): Refactor assignment of selected_cpu.eflags.
	(arc_option): Remove setting of private flags and architecture.
	(check_cpu_feature): Refactor feature names.
	(autodetect_attributes): New function.
	(assemble_tokens): Use above function.
	(md_parse_option): Refactor feature names.
	(arc_attribute): New function.
	(arc_set_attribute_int): Likewise.
	(arc_set_attribute_string): Likewise.
	(arc_stralloc): Likewise.
	(arc_set_public_attributes): Likewise.
	(arc_md_end): Likewise.
	(arc_copy_symbol_attributes): Likewise.
	(rc_convert_symbolic_attribute): Likewise.
	* config/tc-arc.h (md_end): Define.
	(CONVERT_SYMBOLIC_ATTRIBUTE): Likewise.
	(TC_COPY_SYMBOL_ATTRIBUTES): Likewise.
	* doc/c-arc.texi: Document ARC object attributes.

binutils/
2017-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* readelf.c (decode_ARC_machine_flags): Recognize OSABI v4.
	(get_arc_section_type_name): New function.
	(get_section_type_name): Use the above function.
	(display_arc_attribute): New function.
	(process_arc_specific): Likewise.
	(process_arch_specific): Handle ARC specific information.
	* testsuite/binutils-all/strip-3.d: Consider ARC.attributes
	section.

include/
2017-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* elf/arc.h (SHT_ARC_ATTRIBUTES): Define.
	(Tag_ARC_*): Define.
	(E_ARC_OSABI_V4): Define.
	(E_ARC_OSABI_CURRENT): Reassign it.
	(TAG_CPU_*): Define.
	* opcode/arc-attrs.h: New file.
	* opcode/arc.h (insn_subclass_t): Assign enum values.
	(insn_subclass_t): Update enum with QUARKSE1, QUARKSE2, and LL64.
	(ARC_EA, ARC_CD, ARC_LLOCK, ARC_ATOMIC, ARC_MPY, ARC_MULT)
	(ARC_NPS400, ARC_DPFP, ARC_SPFP, ARC_FPU, ARC_FPUDA, ARC_SWAP)
	(ARC_NORM, ARC_BSCAN, ARC_UIX, ARC_TSTAMP, ARC_VBFDW)
	(ARC_BARREL, ARC_DSPA, ARC_SHIFT, ARC_INTR, ARC_DIV, ARC_XMAC)
	(ARC_CRC): Delete.

bfd/
2017-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* elf32-arc.c (FEATURE_LIST_NAME): Define.
	(CONFLICT_LIST): Likewise.
	(opcode/arc-attrs.h): Include.
	(arc_elf_print_private_bfd_data): Print OSABI v4 flag.
	(arc_extract_features): New file.
	(arc_stralloc): Likewise.
	(arc_elf_merge_attributes): Likewise.
	(arc_elf_merge_private_bfd_data): Use object attributes.
	(bfd_arc_get_mach_from_attributes): New function.
	(arc_elf_object_p): Use object attributes.
	(arc_elf_final_write_processing): Likewise.
	(elf32_arc_obj_attrs_arg_type): New function.
	(elf32_arc_obj_attrs_handle_unknown): Likewise.
	(elf32_arc_section_from_shdr): Likewise.
	(elf_backend_obj_attrs_vendor): Define.
	(elf_backend_obj_attrs_section): Likewise.
	(elf_backend_obj_attrs_arg_type): Likewise.
	(elf_backend_obj_attrs_section_type): Likewise.
	(elf_backend_obj_attrs_handle_unknown): Likewise.
	(elf_backend_section_from_shdr): Likewise.

ld/
2017-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* testsuite/ld-arc/attr-merge-0.d: New file.
	* testsuite/ld-arc/attr-merge-0.s: Likewise.
	* testsuite/ld-arc/attr-merge-0e.s: Likewise.
	* testsuite/ld-arc/attr-merge-1.d: Likewise.
	* testsuite/ld-arc/attr-merge-1.s: Likewise.
	* testsuite/ld-arc/attr-merge-1e.s: Likewise.
	* testsuite/ld-arc/attr-merge-2.d: Likewise.
	* testsuite/ld-arc/attr-merge-2.s: Likewise.
	* testsuite/ld-arc/attr-merge-3.d: Likewise.
	* testsuite/ld-arc/attr-merge-3.s: Likewise.
	* testsuite/ld-arc/attr-merge-3e.s: Likewise.
	* testsuite/ld-arc/attr-merge-4.s: Likewise.
	* testsuite/ld-arc/attr-merge-5.d: Likewise.
	* testsuite/ld-arc/attr-merge-5a.s: Likewise.
	* testsuite/ld-arc/attr-merge-5b.s: Likewise.
	* testsuite/ld-arc/attr-merge-conflict-isa.d: Likewise.
	* testsuite/ld-arc/attr-merge-err-isa.d: Likewise.
	* testsuite/ld-arc/attr-merge-incompatible-cpu.d: Likewise.
	* testsuite/ld-arc/got-01.d: Update test.
	* testsuite/ld-arc/attr-merge-err-quarkse.d: New file.
	* testsuite/ld-arc/attr-quarkse.s: Likewise.
	* testsuite/ld-arc/attr-quarkse2.s: Likewise.

opcodes/
2017-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* arc-dis.c (parse_option): Update quarkse_em option..
	* arc-ext-tbl.h (dsp_fp_flt2i, dsp_fp_i2flt): Change subclass to
	QUARKSE1.
	(dsp_fp_div, dsp_fp_cmp): Change subclass to QUARKSE2.

1 files changed, 16 insertions, 0 deletions

diff --git a/gas/doc/c-arc.texi b/gas/doc/c-arc.texi
index 1ff0b0fdce..14fe10f694 100644
--- a/gas/doc/c-arc.texi
+++ b/gas/doc/c-arc.texi
@@ -658,6 +658,22 @@ A two operands instruction variant would be:
 which describes a two operand instruction with an implicit first
 immediate operand.  The result of this operation would be discarded.
 
+@cindex @code{.arc_attribute} directive, ARC
+@item .arc_attribute @var{tag}, @var{value}
+Set the ARC object attribute @var{tag} to @var{value}.
+
+The @var{tag} is either an attribute number, or one of the following:
+@code{Tag_ARC_PCS_config}, @code{Tag_ARC_CPU_base},
+@code{Tag_ARC_CPU_variation}, @code{Tag_ARC_CPU_name},
+@code{Tag_ARC_ABI_rf16}, @code{Tag_ARC_ABI_osver}, @code{Tag_ARC_ABI_sda},
+@code{Tag_ARC_ABI_pic}, @code{Tag_ARC_ABI_tls}, @code{Tag_ARC_ABI_enumsize},
+@code{Tag_ARC_ABI_exceptions}, @code{Tag_ARC_ABI_double_size},
+@code{Tag_ARC_ISA_config}, @code{Tag_ARC_ISA_apex},
+@code{Tag_ARC_ISA_mpy_option}
+
+The @var{value} is either a @code{number}, @code{"string"}, or
+@code{number, "string"} depending on the tag.
+
 @end table
 
 @node ARC Modifiers