bfd/elfxx-riscv.h

   1 /* RISC-V ELF specific backend routines.
   2    Copyright (C) 2011-2022 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 #include "cpu-riscv.h"
  27
  28 #define RISCV_UNKNOWN_VERSION -1
  29
  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 *
  37 riscv_elf_rtype_to_howto (bfd *, unsigned int r_type);
  38
  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
  50 typedef struct
  51 {
  52   riscv_subset_t *head;
  53   riscv_subset_t *tail;
  54   const char *arch_str;
  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
  65 extern bool
  66 riscv_lookup_subset (const riscv_subset_list_t *,
  67                      const char *,
  68                      riscv_subset_t **);
  69
  70 typedef struct
  71 {
  72   riscv_subset_list_t *subset_list;
  73   void (*error_handler) (const char *,
  74                          ...) ATTRIBUTE_PRINTF_1;
  75   unsigned *xlen;
  76   enum riscv_spec_class *isa_spec;
  77   bool check_unknown_prefixed_ext;
  78 } riscv_parse_subset_t;
  79
  80 extern bool
  81 riscv_parse_subset (riscv_parse_subset_t *,
  82                     const char *);
  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 extern int
  94 riscv_compare_subsets (const char *, const char *);
  95
  96 extern riscv_subset_list_t *
  97 riscv_copy_subset_list (riscv_subset_list_t *);
  98
  99 extern bool
 100 riscv_update_subset (riscv_parse_subset_t *, const char *);
 101
 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
 108 extern const char *
 109 riscv_multi_subset_supports_ext (riscv_parse_subset_t *, enum riscv_insn_class);
 110
 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 *);