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