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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.
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/* RISC-V ELF specific backend routines.
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Copyright (C) 2011-2019 Free Software Foundation, Inc.
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Contributed by Andrew Waterman (andrew@sifive.com).
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Based on MIPS target.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not,
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see <http://www.gnu.org/licenses/>. */
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#include "elf/common.h"
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#include "elf/internal.h"
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extern reloc_howto_type *
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riscv_reloc_name_lookup (bfd *, const char *);
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extern reloc_howto_type *
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riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
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extern reloc_howto_type *
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riscv_elf_rtype_to_howto (bfd *, unsigned int r_type);
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#define RISCV_DONT_CARE_VERSION -1
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/* The information of architecture attribute. */
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struct riscv_subset_t
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{
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const char *name;
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int major_version;
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int minor_version;
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struct riscv_subset_t *next;
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};
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typedef struct riscv_subset_t riscv_subset_t;
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typedef struct {
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riscv_subset_t *head;
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riscv_subset_t *tail;
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} riscv_subset_list_t;
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extern void
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riscv_release_subset_list (riscv_subset_list_t *);
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extern void
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riscv_add_subset (riscv_subset_list_t *,
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const char *,
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int, int);
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extern riscv_subset_t *
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riscv_lookup_subset (const riscv_subset_list_t *,
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const char *);
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extern riscv_subset_t *
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riscv_lookup_subset_version (const riscv_subset_list_t *,
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const char *,
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int, int);
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typedef struct {
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riscv_subset_list_t *subset_list;
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void (*error_handler) (const char *,
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...) ATTRIBUTE_PRINTF_1;
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unsigned *xlen;
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} riscv_parse_subset_t;
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extern bfd_boolean
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riscv_parse_subset (riscv_parse_subset_t *,
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const char *);
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extern const char *
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riscv_supported_std_ext (void);
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extern void
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riscv_release_subset_list (riscv_subset_list_t *);
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extern char *
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riscv_arch_str (unsigned, const riscv_subset_list_t *);
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