1 /* Target-dependent code for GNU/Linux x86.
3 Copyright (C) 2002, 2003, 2007, 2008, 2009, 2010
4 Free Software Foundation, Inc.
6 This file is part of GDB.
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.
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.
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/>. */
21 #ifndef I386_LINUX_TDEP_H
22 #define I386_LINUX_TDEP_H
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. */
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
35 /* Total number of registers for GNU/Linux. */
36 #define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)
38 #endif /* i386-linux-tdep.h */