binutils-gdb/gdb/i386-linux-tdep.h

38 lines
1.5 KiB
C

/* 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 */