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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" | |
25 | ||
26 | extern reloc_howto_type * | |
27 | riscv_reloc_name_lookup (bfd *, const char *); | |
28 | ||
29 | extern reloc_howto_type * | |
30 | riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); | |
31 | ||
32 | extern reloc_howto_type * | |
0aa13fee | 33 | riscv_elf_rtype_to_howto (bfd *, unsigned int r_type); |
1080bf78 JW |
34 | |
35 | #define RISCV_DONT_CARE_VERSION -1 | |
36 | ||
37 | /* The information of architecture attribute. */ | |
38 | struct riscv_subset_t | |
39 | { | |
40 | const char *name; | |
41 | int major_version; | |
42 | int minor_version; | |
43 | struct riscv_subset_t *next; | |
44 | }; | |
45 | ||
46 | typedef struct riscv_subset_t riscv_subset_t; | |
47 | ||
48 | typedef struct { | |
49 | riscv_subset_t *head; | |
50 | riscv_subset_t *tail; | |
51 | } riscv_subset_list_t; | |
52 | ||
53 | extern void | |
54 | riscv_release_subset_list (riscv_subset_list_t *); | |
55 | ||
56 | extern void | |
57 | riscv_add_subset (riscv_subset_list_t *, | |
58 | const char *, | |
59 | int, int); | |
60 | ||
61 | extern riscv_subset_t * | |
62 | riscv_lookup_subset (const riscv_subset_list_t *, | |
63 | const char *); | |
64 | ||
65 | extern riscv_subset_t * | |
66 | riscv_lookup_subset_version (const riscv_subset_list_t *, | |
67 | const char *, | |
68 | int, int); | |
69 | ||
70 | typedef struct { | |
71 | riscv_subset_list_t *subset_list; | |
72 | void (*error_handler) (const char *, | |
73 | ...) ATTRIBUTE_PRINTF_1; | |
74 | unsigned *xlen; | |
8f595e9b NC |
75 | void (*get_default_version) (const char *, |
76 | unsigned int *, | |
77 | unsigned int *); | |
1080bf78 JW |
78 | } riscv_parse_subset_t; |
79 | ||
80 | extern bfd_boolean | |
81 | riscv_parse_subset (riscv_parse_subset_t *, | |
82 | const char *); | |
83 | ||
84 | extern const char * | |
85 | riscv_supported_std_ext (void); | |
86 | ||
87 | extern void | |
88 | riscv_release_subset_list (riscv_subset_list_t *); | |
2dc8dd17 JW |
89 | |
90 | extern char * | |
91 | riscv_arch_str (unsigned, const riscv_subset_list_t *); | |
403d1bd9 | 92 | |
8f595e9b NC |
93 | extern size_t |
94 | riscv_estimate_digit (unsigned); | |
95 | ||
403d1bd9 JW |
96 | /* ISA extension name class. E.g. "zbb" corresponds to RV_ISA_CLASS_Z, |
97 | "xargs" corresponds to RV_ISA_CLASS_X, etc. Order is important | |
98 | here. */ | |
99 | ||
100 | typedef enum riscv_isa_ext_class | |
101 | { | |
102 | RV_ISA_CLASS_S, | |
103 | RV_ISA_CLASS_Z, | |
104 | RV_ISA_CLASS_X, | |
105 | RV_ISA_CLASS_UNKNOWN | |
106 | } riscv_isa_ext_class_t; | |
107 | ||
108 | /* Classify the argument 'ext' into one of riscv_isa_ext_class_t. */ | |
109 | ||
110 | riscv_isa_ext_class_t | |
111 | riscv_get_prefix_class (const char *); |