Automatic date update in version.in
[binutils-gdb.git] / bfd / elfxx-riscv.h
blob49be71746b91a2dc203737ebfc38b266c62c9b20
1 /* RISC-V ELF specific backend routines.
2 Copyright (C) 2011-2024 Free Software Foundation, Inc.
4 Contributed by Andrew Waterman (andrew@sifive.com).
5 Based on MIPS target.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; see the file COPYING3. If not,
21 see <http://www.gnu.org/licenses/>. */
23 #include "elf/common.h"
24 #include "elf/internal.h"
25 #include "opcode/riscv.h"
26 #include "cpu-riscv.h"
28 #define RISCV_UNKNOWN_VERSION -1
30 struct riscv_elf_params
32 /* Whether to relax code sequences to GP-relative addressing. */
33 bool relax_gp;
34 /* Whether to check if SUB_ULEB128 relocation has non-zero addend. */
35 bool check_uleb128;
38 extern void riscv_elf32_set_options (struct bfd_link_info *,
39 struct riscv_elf_params *);
40 extern void riscv_elf64_set_options (struct bfd_link_info *,
41 struct riscv_elf_params *);
43 extern reloc_howto_type *
44 riscv_reloc_name_lookup (bfd *, const char *);
46 extern reloc_howto_type *
47 riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
49 extern reloc_howto_type *
50 riscv_elf_rtype_to_howto (bfd *, unsigned int r_type);
52 /* The information of architecture attribute. */
53 struct riscv_subset_t
55 const char *name;
56 int major_version;
57 int minor_version;
58 struct riscv_subset_t *next;
61 typedef struct riscv_subset_t riscv_subset_t;
63 typedef struct
65 riscv_subset_t *head;
66 riscv_subset_t *tail;
67 const char *arch_str;
68 } riscv_subset_list_t;
70 extern void
71 riscv_release_subset_list (riscv_subset_list_t *);
73 extern void
74 riscv_add_subset (riscv_subset_list_t *,
75 const char *,
76 int, int);
78 extern bool
79 riscv_lookup_subset (const riscv_subset_list_t *,
80 const char *,
81 riscv_subset_t **);
83 typedef struct
85 riscv_subset_list_t *subset_list;
86 void (*error_handler) (const char *,
87 ...) ATTRIBUTE_PRINTF_1;
88 unsigned *xlen;
89 enum riscv_spec_class *isa_spec;
90 bool check_unknown_prefixed_ext;
91 } riscv_parse_subset_t;
93 extern bool
94 riscv_parse_subset (riscv_parse_subset_t *,
95 const char *);
97 extern void
98 riscv_release_subset_list (riscv_subset_list_t *);
100 extern char *
101 riscv_arch_str (unsigned, const riscv_subset_list_t *);
103 extern size_t
104 riscv_estimate_digit (unsigned);
106 extern int
107 riscv_compare_subsets (const char *, const char *);
109 extern riscv_subset_list_t *
110 riscv_copy_subset_list (riscv_subset_list_t *);
112 extern bool
113 riscv_update_subset (riscv_parse_subset_t *, const char *);
115 extern bool
116 riscv_subset_supports (riscv_parse_subset_t *, const char *);
118 extern bool
119 riscv_multi_subset_supports (riscv_parse_subset_t *, enum riscv_insn_class);
121 extern const char *
122 riscv_multi_subset_supports_ext (riscv_parse_subset_t *, enum riscv_insn_class);
124 extern void
125 riscv_print_extensions (void);
127 extern void
128 bfd_elf32_riscv_set_data_segment_info (struct bfd_link_info *, int *);
129 extern void
130 bfd_elf64_riscv_set_data_segment_info (struct bfd_link_info *, int *);