[binutils.git] / gdb / i386-linux-tdep.h

/* Target-dependent code for GNU/Linux x86.

   Copyright (C) 2002, 2003, 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/>.  */

#ifndef I386_LINUX_TDEP_H
#define I386_LINUX_TDEP_H

/* The Linux kernel pretends there is an additional "orig_eax"
   register.  Since GDB needs access to that register to be able to
   properly restart system calls when necessary (see
   i386-linux-tdep.c) we need our own versions of a number of
   functions that deal with GDB's register cache.  */

/* Register number for the "orig_eax" pseudo-register.  If this
   pseudo-register contains a value >= 0 it is interpreted as the
   system call number that the kernel is supposed to restart.  */
#define I386_LINUX_ORIG_EAX_REGNUM I386_SSE_NUM_REGS

/* Total number of registers for GNU/Linux.  */
#define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)

#endif /* i386-linux-tdep.h */
Commit	Line	Data
0542c381 AC	1	/* Target-dependent code for GNU/Linux x86.
0542c381 AC	2
4c38e0a4 JB	3	Copyright (C) 2002, 2003, 2007, 2008, 2009, 2010
4c38e0a4 JB	4	Free Software Foundation, Inc.
8201327c MK	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
a9762ec7	10	the Free Software Foundation; either version 3 of the License, or
8201327c MK	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
a9762ec7	19	along with this program. If not, see <http://www.gnu.org/licenses/>. */
8201327c MK	20
	21	#ifndef I386_LINUX_TDEP_H
	22	#define I386_LINUX_TDEP_H
	23
	24	/* The Linux kernel pretends there is an additional "orig_eax"
	25	register. Since GDB needs access to that register to be able to
	26	properly restart system calls when necessary (see
	27	i386-linux-tdep.c) we need our own versions of a number of
	28	functions that deal with GDB's register cache. */
	29
	30	/* Register number for the "orig_eax" pseudo-register. If this
	31	pseudo-register contains a value >= 0 it is interpreted as the
	32	system call number that the kernel is supposed to restart. */
	33	#define I386_LINUX_ORIG_EAX_REGNUM I386_SSE_NUM_REGS
	34
60fac5b8 MK	35	/* Total number of registers for GNU/Linux. */
	36	#define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)
	37
8201327c	38	#endif /* i386-linux-tdep.h */