gdb/arm-linux-tdep.h

   1 /* GNU/Linux on ARM target support, prototypes.
   2
   3    Copyright (C) 2006
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21    Boston, MA 02110-1301, USA.  */
  22
  23 struct regset;
  24 struct regcache;
  25
  26 #define         ARM_CPSR_REGNUM         16
  27
  28 #define ARM_LINUX_SIZEOF_NWFPE (8 * FP_REGISTER_SIZE \
  29                                 + 2 * INT_REGISTER_SIZE \
  30                                 + 8 + INT_REGISTER_SIZE)
  31
  32 /* Support for register format used by the NWFPE FPA emulator.  Each
  33    register takes three words, where either the first one, two, or
  34    three hold a single, double, or extended precision value (depending
  35    on the corresponding tag).  The register set is eight registers,
  36    followed by the fpsr and fpcr, followed by eight tag bytes, and a
  37    final word flag which indicates whether NWFPE has been
  38    initialized.  */
  39
  40 #define NWFPE_FPSR_OFFSET (8 * FP_REGISTER_SIZE)
  41 #define NWFPE_FPCR_OFFSET (NWFPE_FPSR_OFFSET + INT_REGISTER_SIZE)
  42 #define NWFPE_TAGS_OFFSET (NWFPE_FPCR_OFFSET + INT_REGISTER_SIZE)
  43 #define NWFPE_INITFLAG_OFFSET (NWFPE_TAGS_OFFSET + 8)
  44
  45 void arm_linux_supply_gregset (const struct regset *regset,
  46                                struct regcache *regcache,
  47                                int regnum, const void *gregs_buf, size_t len);
  48 void arm_linux_collect_gregset (const struct regset *regset,
  49                                 const struct regcache *regcache,
  50                                 int regnum, void *gregs_buf, size_t len);
  51
  52 void supply_nwfpe_register (struct regcache *regcache, int regno,
  53                             const gdb_byte *regs);
  54 void collect_nwfpe_register (const struct regcache *regcache, int regno,
  55                              gdb_byte *regs);
  56
  57 void arm_linux_supply_nwfpe (const struct regset *regset,
  58                              struct regcache *regcache,
  59                              int regnum, const void *regs_buf, size_t len);
  60 void arm_linux_collect_nwfpe (const struct regset *regset,
  61                               const struct regcache *regcache,
  62                               int regnum, void *regs_buf, size_t len);