gcc/config/riscv/riscv-opts.h

/* Definition of RISC-V target for GNU compiler.
   Copyright (C) 2016-2021 Free Software Foundation, Inc.
   Contributed by Andrew Waterman (andrew@sifive.com).

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifndef GCC_RISCV_OPTS_H
#define GCC_RISCV_OPTS_H

enum riscv_abi_type {
  ABI_ILP32,
  ABI_ILP32E,
  ABI_ILP32F,
  ABI_ILP32D,
  ABI_LP64,
  ABI_LP64F,
  ABI_LP64D
};
extern enum riscv_abi_type riscv_abi;

enum riscv_code_model {
  CM_MEDLOW,
  CM_MEDANY,
  CM_PIC
};
extern enum riscv_code_model riscv_cmodel;

enum riscv_isa_spec_class {
  ISA_SPEC_CLASS_NONE,

  ISA_SPEC_CLASS_2P2,
  ISA_SPEC_CLASS_20190608,
  ISA_SPEC_CLASS_20191213
};

extern enum riscv_isa_spec_class riscv_isa_spec;

/* Keep this list in sync with define_attr "tune" in riscv.md.  */
enum riscv_microarchitecture_type {
  generic,
  sifive_7
};
extern enum riscv_microarchitecture_type riscv_microarchitecture;

enum riscv_align_data {
  riscv_align_data_type_xlen,
  riscv_align_data_type_natural
};

/* Where to get the canary for the stack protector.  */
enum stack_protector_guard {
  SSP_TLS,			/* per-thread canary in TLS block */
  SSP_GLOBAL			/* global canary */
};

#define MASK_ZICSR    (1 << 0)
#define MASK_ZIFENCEI (1 << 1)

#define TARGET_ZICSR    ((riscv_zi_subext & MASK_ZICSR) != 0)
#define TARGET_ZIFENCEI ((riscv_zi_subext & MASK_ZIFENCEI) != 0)

#endif /* ! GCC_RISCV_OPTS_H */