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/* GNU/Linux on ARM target support, prototypes.

   Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

struct regset;

struct regcache;

#define ARM_LINUX_SIZEOF_NWFPE (8 * FP_REGISTER_SIZE \

                                + 2 * INT_REGISTER_SIZE \

                                + 8 + INT_REGISTER_SIZE)

/* The index to access CSPR in user_regs defined in GLIBC.  */

#define ARM_CPSR_GREGNUM 16

/* Support for register format used by the NWFPE FPA emulator.  Each

   register takes three words, where either the first one, two, or

   three hold a single, double, or extended precision value (depending

   on the corresponding tag).  The register set is eight registers,

   followed by the fpsr and fpcr, followed by eight tag bytes, and a

   final word flag which indicates whether NWFPE has been

   initialized.  */

#define NWFPE_FPSR_OFFSET (8 * FP_REGISTER_SIZE)

#define NWFPE_FPCR_OFFSET (NWFPE_FPSR_OFFSET + INT_REGISTER_SIZE)

#define NWFPE_TAGS_OFFSET (NWFPE_FPCR_OFFSET + INT_REGISTER_SIZE)

#define NWFPE_INITFLAG_OFFSET (NWFPE_TAGS_OFFSET + 8)

void arm_linux_supply_gregset (const struct regset *regset,

                               struct regcache *regcache,

                               int regnum, const void *gregs_buf, size_t len);

void arm_linux_collect_gregset (const struct regset *regset,

                                const struct regcache *regcache,

                                int regnum, void *gregs_buf, size_t len);

void supply_nwfpe_register (struct regcache *regcache, int regno,

                            const gdb_byte *regs);

void collect_nwfpe_register (const struct regcache *regcache, int regno,

                             gdb_byte *regs);

void arm_linux_supply_nwfpe (const struct regset *regset,

                             struct regcache *regcache,

                             int regnum, const void *regs_buf, size_t len);

void arm_linux_collect_nwfpe (const struct regset *regset,

                              const struct regcache *regcache,

                              int regnum, void *regs_buf, size_t len);