[deliverable/binutils-gdb.git] / gdb / amd64nbsd-nat.c

/* 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 */
  0 * 8,			/* %edi */
  21 * 8,			/* %eip */
  23 * 8,			/* %eflags */
  22 * 8,			/* %cs */
  25 * 8,			/* %ss */
  18 * 8,			/* %ds */
  17 * 8,			/* %es */
  16 * 8,			/* %fs */
  15 * 8			/* %gs */
};
\f

/* 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);
}
Commit	Line	Data
	1	/* Native-dependent code for NetBSD/amd64.
	2
	3	Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
	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 3 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, see <http://www.gnu.org/licenses/>. */
	20
	21	#include "defs.h"
	22	#include "target.h"
	23
	24	#include "gdb_assert.h"
	25
	26	#include "nbsd-nat.h"
	27	#include "amd64-tdep.h"
	28	#include "amd64-nat.h"
	29
	30	/* Mapping between the general-purpose registers in NetBSD/amd64
	31	`struct reg' format and GDB's register cache layout for
	32	NetBSD/i386.
	33
	34	Note that most (if not all) NetBSD/amd64 registers are 64-bit,
	35	while the NetBSD/i386 registers are all 32-bit, but since we're
	36	little-endian we get away with that. */
	37
	38	/* From <machine/reg.h>. */
	39	static int amd64nbsd32_r_reg_offset[] =
	40	{
	41	14 * 8, /* %eax */
	42	3 * 8, /* %ecx */
	43	2 * 8, /* %edx */
	44	13 * 8, /* %ebx */
	45	24 * 8, /* %esp */
	46	12 * 8, /* %ebp */
	47	1 * 8, /* %esi */
	48	0 * 8, /* %edi */
	49	21 * 8, /* %eip */
	50	23 * 8, /* %eflags */
	51	22 * 8, /* %cs */
	52	25 * 8, /* %ss */
	53	18 * 8, /* %ds */
	54	17 * 8, /* %es */
	55	16 * 8, /* %fs */
	56	15 * 8 /* %gs */
	57	};
	58	\f
	59
	60	/* Provide a prototype to silence -Wmissing-prototypes. */
	61	void _initialize_amd64nbsd_nat (void);
	62
	63	void
	64	_initialize_amd64nbsd_nat (void)
	65	{
	66	struct target_ops *t;
	67
	68	amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset;
	69	amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset);
	70	amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset;
	71
	72	/* Add some extra features to the common BSD/amd64 target. /
	73	t = amd64bsd_target ();
	74	t->to_pid_to_exec_file = nbsd_pid_to_exec_file;
	75	add_target (t);
	76	}