1/* RISC-V spec version controlling support.
2   Copyright (C) 2019-2022 Free Software Foundation, Inc.
3
4   This file is part of BFD, the Binary File Descriptor library.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21enum riscv_spec_class
22{
23  /* ISA spec.  */
24  ISA_SPEC_CLASS_NONE = 0,
25  ISA_SPEC_CLASS_2P2,
26  ISA_SPEC_CLASS_20190608,
27  ISA_SPEC_CLASS_20191213,
28  ISA_SPEC_CLASS_DRAFT,
29
30  /* Privileged spec.  */
31  PRIV_SPEC_CLASS_NONE,
32  PRIV_SPEC_CLASS_1P9P1,
33  PRIV_SPEC_CLASS_1P10,
34  PRIV_SPEC_CLASS_1P11,
35  PRIV_SPEC_CLASS_1P12,
36  PRIV_SPEC_CLASS_DRAFT,
37};
38
39struct riscv_spec
40{
41  const char *name;
42  enum riscv_spec_class spec_class;
43};
44
45extern const struct riscv_spec riscv_isa_specs[];
46extern const struct riscv_spec riscv_priv_specs[];
47
48#define RISCV_GET_SPEC_CLASS(UTYPE, LTYPE, NAME, CLASS)			\
49  do									\
50    {									\
51      if (NAME == NULL)							\
52	break;								\
53									\
54      int i_spec = UTYPE##_SPEC_CLASS_NONE + 1;				\
55      for (; i_spec < UTYPE##_SPEC_CLASS_DRAFT; i_spec++)		\
56	{								\
57	  int j_spec = i_spec - UTYPE##_SPEC_CLASS_NONE -1;		\
58	  if (riscv_##LTYPE##_specs[j_spec].name			\
59	      && strcmp (riscv_##LTYPE##_specs[j_spec].name, NAME) == 0)\
60	  {								\
61	    CLASS = riscv_##LTYPE##_specs[j_spec].spec_class;		\
62	    break;							\
63	  }								\
64	}								\
65    }									\
66  while (0)
67
68#define RISCV_GET_SPEC_NAME(UTYPE, LTYPE, NAME, CLASS)			\
69  (NAME) = riscv_##LTYPE##_specs[(CLASS) - UTYPE##_SPEC_CLASS_NONE - 1].name
70
71#define RISCV_GET_ISA_SPEC_CLASS(NAME, CLASS)	\
72  RISCV_GET_SPEC_CLASS(ISA, isa, NAME, CLASS)
73#define RISCV_GET_PRIV_SPEC_CLASS(NAME, CLASS)	\
74  RISCV_GET_SPEC_CLASS(PRIV, priv, NAME, CLASS)
75#define RISCV_GET_PRIV_SPEC_NAME(NAME, CLASS)	\
76  RISCV_GET_SPEC_NAME(PRIV, priv, NAME, CLASS)
77
78extern void
79riscv_get_priv_spec_class_from_numbers (unsigned int,
80					unsigned int,
81					unsigned int,
82					enum riscv_spec_class *);
83
84extern bool
85riscv_elf_is_mapping_symbols (const char *);
86