1  /* RISC-V spec version controlling support.
       2     Copyright (C) 2019-2023 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  
      21  enum 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  
      39  struct riscv_spec
      40  {
      41    const char *name;
      42    enum riscv_spec_class spec_class;
      43  };
      44  
      45  extern const struct riscv_spec riscv_isa_specs[];
      46  extern 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  
      78  extern void
      79  riscv_get_priv_spec_class_from_numbers (unsigned int,
      80  					unsigned int,
      81  					unsigned int,
      82  					enum riscv_spec_class *);
      83  
      84  extern bool
      85  riscv_elf_is_mapping_symbols (const char *);