gdb/arch/aarch64.h

   1 /* Common target-dependent functionality for AArch64.
   2
   3    Copyright (C) 2017 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef ARCH_AARCH64_H
  21 #define ARCH_AARCH64_H
  22
  23 /* Register numbers of various important registers.  */
  24 enum aarch64_regnum
  25 {
  26   AARCH64_X0_REGNUM,            /* First integer register.  */
  27   AARCH64_FP_REGNUM = AARCH64_X0_REGNUM + 29,   /* Frame register, if used.  */
  28   AARCH64_LR_REGNUM = AARCH64_X0_REGNUM + 30,   /* Return address.  */
  29   AARCH64_SP_REGNUM,            /* Stack pointer.  */
  30   AARCH64_PC_REGNUM,            /* Program counter.  */
  31   AARCH64_CPSR_REGNUM,          /* Current Program Status Register.  */
  32   AARCH64_V0_REGNUM,            /* First fp/vec register.  */
  33   AARCH64_V31_REGNUM = AARCH64_V0_REGNUM + 31,  /* Last fp/vec register.  */
  34   AARCH64_FPSR_REGNUM,          /* Floating Point Status Register.  */
  35   AARCH64_FPCR_REGNUM,          /* Floating Point Control Register.  */
  36
  37   /* Other useful registers.  */
  38   AARCH64_LAST_X_ARG_REGNUM = AARCH64_X0_REGNUM + 7,
  39   AARCH64_STRUCT_RETURN_REGNUM = AARCH64_X0_REGNUM + 8,
  40   AARCH64_LAST_V_ARG_REGNUM = AARCH64_V0_REGNUM + 7
  41 };
  42
  43 #define AARCH64_X_REGS_NUM 31
  44 #define AARCH64_V_REGS_NUM 32
  45 #define AARCH64_NUM_REGS AARCH64_FPCR_REGNUM + 1
  46
  47 #endif /* ARCH_AARCH64_H */