sysdeps/unix/sysv/linux/riscv/ucontext-macros.h

   1 /* Macros for ucontext routines.
   2    Copyright (C) 2017-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _LINUX_RISCV_UCONTEXT_MACROS_H
  20 #define _LINUX_RISCV_UCONTEXT_MACROS_H
  21
  22 #include <sysdep.h>
  23 #include <sys/asm.h>
  24
  25 #include "ucontext_i.h"
  26
  27 #define MCONTEXT_FSR (32 * SZFREG + MCONTEXT_FPREGS)
  28
  29 #define SAVE_FP_REG(name, num, base)                    \
  30   FREG_S name, ((num) * SZFREG + MCONTEXT_FPREGS)(base)
  31
  32 #define RESTORE_FP_REG(name, num, base)                 \
  33   FREG_L name, ((num) * SZFREG + MCONTEXT_FPREGS)(base)
  34
  35 #define RESTORE_FP_REG_CFI(name, num, base)             \
  36   RESTORE_FP_REG (name, num, base);                     \
  37   cfi_offset (name, (num) * SZFREG + MCONTEXT_FPREGS)
  38
  39 #define SAVE_INT_REG(name, num, base)                   \
  40   REG_S name, ((num) * SZREG + MCONTEXT_GREGS)(base)
  41
  42 #define RESTORE_INT_REG(name, num, base)                \
  43   REG_L name, ((num) * SZREG + MCONTEXT_GREGS)(base)
  44
  45 #define RESTORE_INT_REG_CFI(name, num, base)            \
  46   RESTORE_INT_REG (name, num, base);                    \
  47   cfi_offset (name, (num) * SZREG + MCONTEXT_GREGS)
  48
  49 #endif /* _LINUX_RISCV_UCONTEXT_MACROS_H */