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

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

   Copyright 2002, 2003 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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#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
60fac5b8	3	Copyright 2002, 2003 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
	9	the Free Software Foundation; either version 2 of the License, or
	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
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330,
	20	Boston, MA 02111-1307, USA. */
	21
	22	#ifndef I386_LINUX_TDEP_H
	23	#define I386_LINUX_TDEP_H
	24
	25	/* The Linux kernel pretends there is an additional "orig_eax"
	26	register. Since GDB needs access to that register to be able to
	27	properly restart system calls when necessary (see
	28	i386-linux-tdep.c) we need our own versions of a number of
	29	functions that deal with GDB's register cache. */
	30
	31	/* Register number for the "orig_eax" pseudo-register. If this
	32	pseudo-register contains a value >= 0 it is interpreted as the
	33	system call number that the kernel is supposed to restart. */
	34	#define I386_LINUX_ORIG_EAX_REGNUM I386_SSE_NUM_REGS
	35
60fac5b8 MK	36	/* Total number of registers for GNU/Linux. */
	37	#define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)
	38
8201327c	39	#endif /* i386-linux-tdep.h */