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e23eba97 | 1 | /* RISC-V ELF specific backend routines. |
b3adc24a | 2 | Copyright (C) 2011-2020 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" |
e23eba97 NC |
26 | |
27 | extern reloc_howto_type * | |
28 | riscv_reloc_name_lookup (bfd *, const char *); | |
29 | ||
30 | extern reloc_howto_type * | |
31 | riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); | |
32 | ||
33 | extern reloc_howto_type * | |
0aa13fee | 34 | riscv_elf_rtype_to_howto (bfd *, unsigned int r_type); |
1080bf78 JW |
35 | |
36 | #define RISCV_DONT_CARE_VERSION -1 | |
37 | ||
38 | /* The information of architecture attribute. */ | |
39 | struct riscv_subset_t | |
40 | { | |
41 | const char *name; | |
42 | int major_version; | |
43 | int minor_version; | |
44 | struct riscv_subset_t *next; | |
45 | }; | |
46 | ||
47 | typedef struct riscv_subset_t riscv_subset_t; | |
48 | ||
49 | typedef struct { | |
50 | riscv_subset_t *head; | |
51 | riscv_subset_t *tail; | |
52 | } riscv_subset_list_t; | |
53 | ||
54 | extern void | |
55 | riscv_release_subset_list (riscv_subset_list_t *); | |
56 | ||
57 | extern void | |
58 | riscv_add_subset (riscv_subset_list_t *, | |
59 | const char *, | |
60 | int, int); | |
61 | ||
62 | extern riscv_subset_t * | |
63 | riscv_lookup_subset (const riscv_subset_list_t *, | |
64 | const char *); | |
65 | ||
66 | extern riscv_subset_t * | |
67 | riscv_lookup_subset_version (const riscv_subset_list_t *, | |
68 | const char *, | |
69 | int, int); | |
70 | ||
71 | typedef struct { | |
72 | riscv_subset_list_t *subset_list; | |
73 | void (*error_handler) (const char *, | |
74 | ...) ATTRIBUTE_PRINTF_1; | |
75 | unsigned *xlen; | |
8f595e9b NC |
76 | void (*get_default_version) (const char *, |
77 | unsigned int *, | |
78 | unsigned int *); | |
1080bf78 JW |
79 | } riscv_parse_subset_t; |
80 | ||
81 | extern bfd_boolean | |
82 | riscv_parse_subset (riscv_parse_subset_t *, | |
83 | const char *); | |
84 | ||
85 | extern const char * | |
86 | riscv_supported_std_ext (void); | |
87 | ||
88 | extern void | |
89 | riscv_release_subset_list (riscv_subset_list_t *); | |
2dc8dd17 JW |
90 | |
91 | extern char * | |
92 | riscv_arch_str (unsigned, const riscv_subset_list_t *); | |
403d1bd9 | 93 | |
8f595e9b NC |
94 | extern size_t |
95 | riscv_estimate_digit (unsigned); | |
96 | ||
403d1bd9 JW |
97 | /* ISA extension name class. E.g. "zbb" corresponds to RV_ISA_CLASS_Z, |
98 | "xargs" corresponds to RV_ISA_CLASS_X, etc. Order is important | |
99 | here. */ | |
100 | ||
101 | typedef enum riscv_isa_ext_class | |
102 | { | |
103 | RV_ISA_CLASS_S, | |
104 | RV_ISA_CLASS_Z, | |
105 | RV_ISA_CLASS_X, | |
106 | RV_ISA_CLASS_UNKNOWN | |
107 | } riscv_isa_ext_class_t; | |
108 | ||
109 | /* Classify the argument 'ext' into one of riscv_isa_ext_class_t. */ | |
110 | ||
111 | riscv_isa_ext_class_t | |
112 | riscv_get_prefix_class (const char *); | |
39ff0b81 NC |
113 | |
114 | extern int | |
115 | riscv_get_priv_spec_class (const char *, enum riscv_priv_spec_class *); | |
116 | ||
117 | extern int | |
118 | riscv_get_priv_spec_class_from_numbers (unsigned int, | |
119 | unsigned int, | |
120 | unsigned int, | |
121 | enum riscv_priv_spec_class *); | |
122 | ||
123 | extern const char * | |
124 | riscv_get_priv_spec_name (enum riscv_priv_spec_class); |