gdb/arm-linux-tdep.h

   1 /* GNU/Linux on ARM target support, prototypes.
   2
   3    Copyright (C) 2006-2016 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 struct regset;
  21 struct regcache;
  22
  23 #define ARM_LINUX_SIZEOF_NWFPE (8 * FP_REGISTER_SIZE \
  24                                 + 2 * INT_REGISTER_SIZE \
  25                                 + 8 + INT_REGISTER_SIZE)
  26
  27 /* Support for register format used by the NWFPE FPA emulator.  Each
  28    register takes three words, where either the first one, two, or
  29    three hold a single, double, or extended precision value (depending
  30    on the corresponding tag).  The register set is eight registers,
  31    followed by the fpsr and fpcr, followed by eight tag bytes, and a
  32    final word flag which indicates whether NWFPE has been
  33    initialized.  */
  34
  35 #define NWFPE_FPSR_OFFSET (8 * FP_REGISTER_SIZE)
  36 #define NWFPE_FPCR_OFFSET (NWFPE_FPSR_OFFSET + INT_REGISTER_SIZE)
  37 #define NWFPE_TAGS_OFFSET (NWFPE_FPCR_OFFSET + INT_REGISTER_SIZE)
  38 #define NWFPE_INITFLAG_OFFSET (NWFPE_TAGS_OFFSET + 8)
  39
  40 void arm_linux_supply_gregset (const struct regset *regset,
  41                                struct regcache *regcache,
  42                                int regnum, const void *gregs_buf, size_t len);
  43 void arm_linux_collect_gregset (const struct regset *regset,
  44                                 const struct regcache *regcache,
  45                                 int regnum, void *gregs_buf, size_t len);
  46
  47 void supply_nwfpe_register (struct regcache *regcache, int regno,
  48                             const gdb_byte *regs);
  49 void collect_nwfpe_register (const struct regcache *regcache, int regno,
  50                              gdb_byte *regs);
  51
  52 void arm_linux_supply_nwfpe (const struct regset *regset,
  53                              struct regcache *regcache,
  54                              int regnum, const void *regs_buf, size_t len);
  55 void arm_linux_collect_nwfpe (const struct regset *regset,
  56                               const struct regcache *regcache,
  57                               int regnum, void *regs_buf, size_t len);
  58
  59 /* ARM GNU/Linux HWCAP values.  These are in defined in
  60    <asm/elf.h> in current kernels.  */
  61 #define HWCAP_VFP       64
  62 #define HWCAP_IWMMXT    512
  63 #define HWCAP_NEON      4096
  64 #define HWCAP_VFPv3     8192
  65 #define HWCAP_VFPv3D16  16384
  66