bfd/elfxx-riscv.h

   1 /* RISC-V ELF specific backend routines.
   2    Copyright (C) 2011-2021 Free Software Foundation, Inc.
   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 #include "opcode/riscv.h"
  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 *
  34 riscv_elf_rtype_to_howto (bfd *, unsigned int r_type);
  35
  36 /* The information of architecture attribute.  */
  37 struct riscv_subset_t
  38 {
  39   const char *name;
  40   int major_version;
  41   int minor_version;
  42   struct riscv_subset_t *next;
  43 };
  44
  45 typedef struct riscv_subset_t riscv_subset_t;
  46
  47 typedef struct
  48 {
  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 bfd_boolean
  62 riscv_lookup_subset (const riscv_subset_list_t *,
  63                      const char *,
  64                      riscv_subset_t **);
  65
  66 typedef struct
  67 {
  68   riscv_subset_list_t *subset_list;
  69   void (*error_handler) (const char *,
  70                          ...) ATTRIBUTE_PRINTF_1;
  71   unsigned *xlen;
  72   void (*get_default_version) (const char *,
  73                                int *,
  74                                int *);
  75 } riscv_parse_subset_t;
  76
  77 extern bfd_boolean
  78 riscv_parse_subset (riscv_parse_subset_t *,
  79                     const char *);
  80
  81 extern const char *
  82 riscv_supported_std_ext (void);
  83
  84 extern void
  85 riscv_release_subset_list (riscv_subset_list_t *);
  86
  87 extern char *
  88 riscv_arch_str (unsigned, const riscv_subset_list_t *);
  89
  90 extern size_t
  91 riscv_estimate_digit (unsigned);
  92
  93 /* ISA extension name class. E.g. "zbb" corresponds to RV_ISA_CLASS_Z,
  94    "xargs" corresponds to RV_ISA_CLASS_X, etc.  */
  95
  96 typedef enum riscv_isa_ext_class
  97 {
  98   RV_ISA_CLASS_S,
  99   RV_ISA_CLASS_H,
 100   RV_ISA_CLASS_Z,
 101   RV_ISA_CLASS_X,
 102   RV_ISA_CLASS_UNKNOWN
 103 } riscv_isa_ext_class_t;
 104
 105 riscv_isa_ext_class_t
 106 riscv_get_prefix_class (const char *);
 107
 108 extern int
 109 riscv_get_priv_spec_class (const char *, enum riscv_priv_spec_class *);
 110
 111 extern int
 112 riscv_get_priv_spec_class_from_numbers (unsigned int,
 113                                         unsigned int,
 114                                         unsigned int,
 115                                         enum riscv_priv_spec_class *);
 116
 117 extern const char *
 118 riscv_get_priv_spec_name (enum riscv_priv_spec_class);
 119
 120 extern int
 121 riscv_compare_subsets (const char *, const char *);