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/* Native-dependent code for NetBSD/amd64.

   Copyright (C) 2003, 2004, 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/>.  */

#include "defs.h"

#include "target.h"

#include "gdb_assert.h"

#include "nbsd-nat.h"

#include "amd64-tdep.h"

#include "amd64-nat.h"

/* Mapping between the general-purpose registers in NetBSD/amd64

   `struct reg' format and GDB's register cache layout for

   NetBSD/i386.

   Note that most (if not all) NetBSD/amd64 registers are 64-bit,

   while the NetBSD/i386 registers are all 32-bit, but since we're

   little-endian we get away with that.  */

/* From <machine/reg.h>.  */

static int amd64nbsd32_r_reg_offset[] =

{

  14 * 8,                       /* %eax */

  3 * 8,                        /* %ecx */

  2 * 8,                        /* %edx */

  13 * 8,                       /* %ebx */

  24 * 8,                       /* %esp */

  12 * 8,                       /* %ebp */

  1 * 8,                        /* %esi */

  21 * 8,                       /* %eip */

  23 * 8,                       /* %eflags */

  22 * 8,                       /* %cs */

  25 * 8,                       /* %ss */

  18 * 8,                       /* %ds */

  17 * 8,                       /* %es */

  16 * 8,                       /* %fs */

  15 * 8                        /* %gs */

};

/* Provide a prototype to silence -Wmissing-prototypes.  */

void _initialize_amd64nbsd_nat (void);

void

_initialize_amd64nbsd_nat (void)

{

  struct target_ops *t;

  amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset;

  amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset);

  amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset;

  /* Add some extra features to the common *BSD/amd64 target.  */

  t = amd64bsd_target ();

  t->to_pid_to_exec_file = nbsd_pid_to_exec_file;

  add_target (t);

}