gdb/arm-linux-tdep.h

   1 /* GNU/Linux on ARM target support, prototypes.
   2
   3    Copyright (C) 2006, 2007, 2008 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_CPSR_REGNUM         16
  24
  25 #define ARM_LINUX_SIZEOF_NWFPE (8 * FP_REGISTER_SIZE \
  26                                 + 2 * INT_REGISTER_SIZE \
  27                                 + 8 + INT_REGISTER_SIZE)
  28
  29 /* Support for register format used by the NWFPE FPA emulator.  Each
  30    register takes three words, where either the first one, two, or
  31    three hold a single, double, or extended precision value (depending
  32    on the corresponding tag).  The register set is eight registers,
  33    followed by the fpsr and fpcr, followed by eight tag bytes, and a
  34    final word flag which indicates whether NWFPE has been
  35    initialized.  */
  36
  37 #define NWFPE_FPSR_OFFSET (8 * FP_REGISTER_SIZE)
  38 #define NWFPE_FPCR_OFFSET (NWFPE_FPSR_OFFSET + INT_REGISTER_SIZE)
  39 #define NWFPE_TAGS_OFFSET (NWFPE_FPCR_OFFSET + INT_REGISTER_SIZE)
  40 #define NWFPE_INITFLAG_OFFSET (NWFPE_TAGS_OFFSET + 8)
  41
  42 void arm_linux_supply_gregset (const struct regset *regset,
  43                                struct regcache *regcache,
  44                                int regnum, const void *gregs_buf, size_t len);
  45 void arm_linux_collect_gregset (const struct regset *regset,
  46                                 const struct regcache *regcache,
  47                                 int regnum, void *gregs_buf, size_t len);
  48
  49 void supply_nwfpe_register (struct regcache *regcache, int regno,
  50                             const gdb_byte *regs);
  51 void collect_nwfpe_register (const struct regcache *regcache, int regno,
  52                              gdb_byte *regs);
  53
  54 void arm_linux_supply_nwfpe (const struct regset *regset,
  55                              struct regcache *regcache,
  56                              int regnum, const void *regs_buf, size_t len);
  57 void arm_linux_collect_nwfpe (const struct regset *regset,
  58                               const struct regcache *regcache,
  59                               int regnum, void *regs_buf, size_t len);