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e23eba97 | 1 | /* RISC-V ELF specific backend routines. |
d87bef3a | 2 | Copyright (C) 2011-2023 Free Software Foundation, Inc. |
e23eba97 NC |
3 | |
4 | Contributed by Andrew Waterman (andrew@sifive.com). | |
5 | Based on MIPS target. | |
6 | ||
7 | This file is part of BFD, the Binary File Descriptor library. | |
8 | ||
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. | |
13 | ||
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. | |
18 | ||
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/>. */ | |
22 | ||
23 | #include "elf/common.h" | |
24 | #include "elf/internal.h" | |
39ff0b81 | 25 | #include "opcode/riscv.h" |
c9f27991 | 26 | #include "cpu-riscv.h" |
e23eba97 | 27 | |
e3839c10 NC |
28 | #define RISCV_UNKNOWN_VERSION -1 |
29 | ||
e23eba97 NC |
30 | extern reloc_howto_type * |
31 | riscv_reloc_name_lookup (bfd *, const char *); | |
32 | ||
33 | extern reloc_howto_type * | |
34 | riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); | |
35 | ||
36 | extern reloc_howto_type * | |
0aa13fee | 37 | riscv_elf_rtype_to_howto (bfd *, unsigned int r_type); |
1080bf78 | 38 | |
1080bf78 JW |
39 | /* The information of architecture attribute. */ |
40 | struct riscv_subset_t | |
41 | { | |
42 | const char *name; | |
43 | int major_version; | |
44 | int minor_version; | |
45 | struct riscv_subset_t *next; | |
46 | }; | |
47 | ||
48 | typedef struct riscv_subset_t riscv_subset_t; | |
49 | ||
d541518b NC |
50 | typedef struct |
51 | { | |
1080bf78 JW |
52 | riscv_subset_t *head; |
53 | riscv_subset_t *tail; | |
40f1a1a4 | 54 | const char *arch_str; |
1080bf78 JW |
55 | } riscv_subset_list_t; |
56 | ||
57 | extern void | |
58 | riscv_release_subset_list (riscv_subset_list_t *); | |
59 | ||
60 | extern void | |
61 | riscv_add_subset (riscv_subset_list_t *, | |
62 | const char *, | |
63 | int, int); | |
64 | ||
0a1b45a2 | 65 | extern bool |
1080bf78 | 66 | riscv_lookup_subset (const riscv_subset_list_t *, |
dfe92496 NC |
67 | const char *, |
68 | riscv_subset_t **); | |
1080bf78 | 69 | |
d541518b NC |
70 | typedef struct |
71 | { | |
1080bf78 JW |
72 | riscv_subset_list_t *subset_list; |
73 | void (*error_handler) (const char *, | |
74 | ...) ATTRIBUTE_PRINTF_1; | |
75 | unsigned *xlen; | |
f786c359 | 76 | enum riscv_spec_class *isa_spec; |
fe1f847d | 77 | bool check_unknown_prefixed_ext; |
1080bf78 JW |
78 | } riscv_parse_subset_t; |
79 | ||
0a1b45a2 | 80 | extern bool |
1080bf78 JW |
81 | riscv_parse_subset (riscv_parse_subset_t *, |
82 | const char *); | |
83 | ||
1080bf78 JW |
84 | extern void |
85 | riscv_release_subset_list (riscv_subset_list_t *); | |
2dc8dd17 JW |
86 | |
87 | extern char * | |
88 | riscv_arch_str (unsigned, const riscv_subset_list_t *); | |
403d1bd9 | 89 | |
8f595e9b NC |
90 | extern size_t |
91 | riscv_estimate_digit (unsigned); | |
92 | ||
4c0e540e NC |
93 | extern int |
94 | riscv_compare_subsets (const char *, const char *); | |
ebdcad3f | 95 | |
d3ffd7f7 NC |
96 | extern riscv_subset_list_t * |
97 | riscv_copy_subset_list (riscv_subset_list_t *); | |
98 | ||
edc77c59 | 99 | extern bool |
d3ffd7f7 | 100 | riscv_update_subset (riscv_parse_subset_t *, const char *); |
edc77c59 | 101 | |
f786c359 NC |
102 | extern bool |
103 | riscv_subset_supports (riscv_parse_subset_t *, const char *); | |
104 | ||
105 | extern bool | |
106 | riscv_multi_subset_supports (riscv_parse_subset_t *, enum riscv_insn_class); | |
107 | ||
e4028336 PN |
108 | extern const char * |
109 | riscv_multi_subset_supports_ext (riscv_parse_subset_t *, enum riscv_insn_class); | |
110 | ||
ef9d2565 NC |
111 | extern void |
112 | bfd_elf32_riscv_set_data_segment_info (struct bfd_link_info *, int *); | |
113 | extern void | |
114 | bfd_elf64_riscv_set_data_segment_info (struct bfd_link_info *, int *); |