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

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

   Copyright (C) 2002, 2003, 2007, 2008 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
9b254dd1	3	Copyright (C) 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
8201327c MK	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
a9762ec7	9	the Free Software Foundation; either version 3 of the License, or
8201327c MK	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
a9762ec7	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
8201327c MK	19
	20	#ifndef I386_LINUX_TDEP_H
	21	#define I386_LINUX_TDEP_H
	22
	23	/* The Linux kernel pretends there is an additional "orig_eax"
	24	register. Since GDB needs access to that register to be able to
	25	properly restart system calls when necessary (see
	26	i386-linux-tdep.c) we need our own versions of a number of
	27	functions that deal with GDB's register cache. */
	28
	29	/* Register number for the "orig_eax" pseudo-register. If this
	30	pseudo-register contains a value >= 0 it is interpreted as the
	31	system call number that the kernel is supposed to restart. */
	32	#define I386_LINUX_ORIG_EAX_REGNUM I386_SSE_NUM_REGS
	33
60fac5b8 MK	34	/* Total number of registers for GNU/Linux. */
	35	#define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)
	36
8201327c	37	#endif /* i386-linux-tdep.h */