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| author | Jim Wilson <jimw@sifive.com> | 2019-01-16 13:14:59 -0800 |
|---|---|---|
| committer | Jim Wilson <jimw@sifive.com> | 2019-01-16 13:14:59 -0800 |
| commit | 2dc8dd17cd595bd7a1b0824c83380af52e633fc1 (patch) | |
| tree | b8544b528899d0a68c41c4e2c12236b3a18f30eb /include | |
| parent | 7516c26f867b8c235f28a4d449efb9990125e0a1 (diff) | |
| download | gdb-2dc8dd17cd595bd7a1b0824c83380af52e633fc1.zip gdb-2dc8dd17cd595bd7a1b0824c83380af52e633fc1.tar.gz gdb-2dc8dd17cd595bd7a1b0824c83380af52e633fc1.tar.bz2 | |
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.
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 10 | ||||
| -rw-r--r-- | include/elf/riscv.h | 16 |
2 files changed, 26 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index e49dbbd..45f52af 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,13 @@ +2019-01-16 Kito Cheng <kito@andestech.com> + + * 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. + 2019-01-14 Pavel I. Kryukov <kryukov@frtk.ru> * dis-asm.h: include <string.h> diff --git a/include/elf/riscv.h b/include/elf/riscv.h index 7b10929..2f98aa4 100644 --- a/include/elf/riscv.h +++ b/include/elf/riscv.h @@ -116,4 +116,20 @@ END_RELOC_NUMBERS (R_RISCV_max) /* The name of the global pointer symbol. */ #define RISCV_GP_SYMBOL "__global_pointer$" +/* Additional section types. */ +#define SHT_RISCV_ATTRIBUTES 0x70000003 /* Section holds attributes. */ + +/* Object attributes. */ + +enum +{ + /* 0-3 are generic. */ + Tag_RISCV_stack_align = 4, + Tag_RISCV_arch = 5, + Tag_RISCV_unaligned_access = 6, + Tag_RISCV_priv_spec = 8, + Tag_RISCV_priv_spec_minor = 10, + Tag_RISCV_priv_spec_revision = 12 +}; + #endif /* _ELF_RISCV_H */ |