RISC-V: Support ELF attribute for gas and readelf.
authorJim Wilson <jimw@sifive.com>
Wed, 16 Jan 2019 21:14:59 +0000 (13:14 -0800)
committerJim Wilson <jimw@sifive.com>
Wed, 16 Jan 2019 21:14:59 +0000 (13:14 -0800)
commit2dc8dd17cd595bd7a1b0824c83380af52e633fc1
treeb8544b528899d0a68c41c4e2c12236b3a18f30eb
parent7516c26f867b8c235f28a4d449efb9990125e0a1
RISC-V: Support ELF attribute for gas and readelf.

2019-01-16  Kito Cheng  <kito@andestech.com>
    Nelson Chu  <nelson@andestech.com>

bfd/
* elfnn-riscv.c (riscv_elf_obj_attrs_arg_type): New.
(elf_backend_obj_attrs_vendor): Define.
(elf_backend_obj_attrs_section_type): Likewise.
(elf_backend_obj_attrs_section): Likewise.
(elf_backend_obj_attrs_arg_type): Define as
riscv_elf_obj_attrs_arg_type.
* elfxx-riscv.c (riscv_estimate_digit): New.
(riscv_estimate_arch_strlen1): Likewise.
(riscv_estimate_arch_strlen): Likewise.
(riscv_arch_str1): Likewise.
(riscv_arch_str): Likewise.
* elfxx-riscv.h (riscv_arch_str): Declare.
binutils/
* readelf.c (get_riscv_section_type_name): New function.
(get_section_type_name): Add handler for RISC-V.
(riscv_attr_tag_t): Declare.
(riscv_attr_tag): New.
(display_riscv_attribute): New function.
(process_attributes): Add handler for RISC-V.
* testsuite/binutils-all/strip-3.d: Remove .riscv.attribute
section.
gas/
* config/tc-riscv.c (DEFAULT_RISCV_ATTR): Define to 0 if not defined.
(riscv_set_options): Add `arch_attr` field.
(riscv_opts): Set default value for arch_attr.
(riscv_write_out_arch_attr): New.
(riscv_set_public_attributes): Likewise.
(riscv_md_end): Likewise.
(riscv_convert_symbolic_attribute): Likewise.
(s_riscv_attribute): Likewise.
(explicit_arch_attr): Likewise.
(riscv_pseudo_table): Add .attribute to the table.
(options): Add OPTION_ARCH_ATTR and OPTION_NO_ARCH_ATTR
enumeration constants.
(md_longopts): Add `march-attr' and `mno-arch-attr' options.
(md_parse_option): Handle the new options.
(md_show_usage): Document the `march-attr' option.
* config/tc-riscv.h (md_end): Define as riscv_md_end
(riscv_md_end): Declare.
(CONVERT_SYMBOLIC_ATTRIBUTE): Define as
riscv_convert_symbolic_attribute.
(riscv_convert_symbolic_attribute): Declare.
(start_assemble): Declare.
* testsuite/gas/elf/elf.exp: Adjust test case for section2.e.
* testsuite/gas/elf/section2.e-riscv: New.
* testsuite/gas/riscv/attribute-01.d: New test
* testsuite/gas/riscv/attribute-02.d: Likewise.
* testsuite/gas/riscv/attribute-03.d: Likewise.
* testsuite/gas/riscv/attribute-04.d: Likewise.
* testsuite/gas/riscv/attribute-04.s: Likewise.
* testsuite/gas/riscv/attribute-05.d: Likewise.
* testsuite/gas/riscv/attribute-05.s: Likewise.
* testsuite/gas/riscv/attribute-06.d: Likewise.
* testsuite/gas/riscv/attribute-06.s: Likewise.
* testsuite/gas/riscv/attribute-07.d: Likewise.
* testsuite/gas/riscv/attribute-07.s: Likewise.
* testsuite/gas/riscv/attribute-08.d: Likewise.
* testsuite/gas/riscv/attribute-08.s: Likewise.
* testsuite/gas/riscv/attribute-unknown.d: Likewise.
* testsuite/gas/riscv/attribute-unknown.s: Likewise.
* testsuite/gas/riscv/empty.l: Likewise.
* doc/c-riscv.texi (.attribute): Add documentation.
* configure.ac (--enable-default-riscv-attribute): New options.
* configure: Re-generate.
* config.in: Re-generate.
include/
* elf/riscv.h (SHT_RISCV_ATTRIBUTES): Define.
(Tag_RISCV_arch): Likewise.
(Tag_RISCV_priv_spec): Likewise.
(Tag_RISCV_priv_spec_minor): Likewise.
(Tag_RISCV_priv_spec_revision): Likewise.
(Tag_RISCV_unaligned_access): Likewise.
(Tag_RISCV_stack_align): Likewise.
34 files changed:
bfd/ChangeLog
bfd/elfnn-riscv.c
bfd/elfxx-riscv.c
bfd/elfxx-riscv.h
binutils/ChangeLog
binutils/readelf.c
binutils/testsuite/binutils-all/strip-3.d
gas/ChangeLog
gas/config.in
gas/config/tc-riscv.c
gas/config/tc-riscv.h
gas/configure
gas/configure.ac
gas/doc/c-riscv.texi
gas/testsuite/gas/elf/elf.exp
gas/testsuite/gas/elf/section2.e-riscv [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-01.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-02.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-03.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-04.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-04.s [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-05.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-05.s [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-06.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-06.s [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-07.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-07.s [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-08.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-08.s [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-unknown.d [new file with mode: 0644]
gas/testsuite/gas/riscv/attribute-unknown.s [new file with mode: 0644]
gas/testsuite/gas/riscv/empty.l [new file with mode: 0644]
include/ChangeLog
include/elf/riscv.h