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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [config/] [i386/] [nm-linux.h] - Blame information for rev 1765

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1 106 markom
/* Native support for GNU/Linux, for GDB, the GNU debugger.
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   Copyright (C) 1986, 1987, 1989, 1992, 1996, 1998, 2000
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   Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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#ifndef NM_LINUX_H
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#define NM_LINUX_H
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#include "i386/nm-i386v.h"
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#include "nm-linux.h"
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/* Return sizeof user struct to callers in less machine dependent routines */
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#define KERNEL_U_SIZE kernel_u_size()
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extern int kernel_u_size PARAMS ((void));
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#define U_REGS_OFFSET 0
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/* GNU/Linux supports the 386 hardware debugging registers.  */
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#define TARGET_HAS_HARDWARE_WATCHPOINTS
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#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1
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/* After a watchpoint trap, the PC points to the instruction after
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   the one that caused the trap.  Therefore we don't need to step over it.
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   But we do need to reset the status register to avoid another trap.  */
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#define HAVE_CONTINUABLE_WATCHPOINT
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#define STOPPED_BY_WATCHPOINT(W)  \
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  i386_stopped_by_watchpoint (inferior_pid)
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/* Use these macros for watchpoint insertion/removal.  */
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#define target_insert_watchpoint(addr, len, type)  \
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  i386_insert_watchpoint (inferior_pid, addr, len, type)
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#define target_remove_watchpoint(addr, len, type)  \
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  i386_remove_watchpoint (inferior_pid, addr, len)
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/* We define this if link.h is available, because with ELF we use SVR4 style
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   shared libraries. */
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#ifdef HAVE_LINK_H
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#define SVR4_SHARED_LIBS
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#include "solib.h"              /* Support for shared libraries. */
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#endif
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/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'.  */
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#define FETCH_INFERIOR_REGISTERS
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/* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we fall
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   back on the code `infptrace.c' (well a copy of that code in
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   `i386-linux-nat.c' for now) and we can access only the
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   general-purpose registers in that way.  */
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#define CANNOT_FETCH_REGISTER(regno) ((regno) >= NUM_GREGS)
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#define CANNOT_STORE_REGISTER(regno) CANNOT_FETCH_REGISTER (regno)
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extern CORE_ADDR
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  i386_stopped_by_watchpoint PARAMS ((int));
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extern int
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i386_insert_watchpoint PARAMS ((int pid, CORE_ADDR addr, int len, int rw));
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extern int
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i386_remove_watchpoint PARAMS ((int pid, CORE_ADDR addr, int len));
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#endif /* #ifndef NM_LINUX_H */

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