1 /* Target-dependent code for GNU/Linux x86.
3 Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
22 #ifndef I386_LINUX_TDEP_H
23 #define I386_LINUX_TDEP_H
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. */
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
36 /* Total number of registers for GNU/Linux. */
37 #define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)
39 #endif /* i386-linux-tdep.h */
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