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/* Native support for Linux/x86.
Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef NM_LINUX_H
#define NM_LINUX_H
/* GNU/Linux supports the i386 hardware debugging registers. */
#define I386_USE_GENERIC_WATCHPOINTS
#include "i386/nm-i386.h"
#include "nm-linux.h"
/* Return sizeof user struct to callers in less machine dependent
routines. */
extern int kernel_u_size (void);
#define KERNEL_U_SIZE kernel_u_size()
#define U_REGS_OFFSET 0
extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regnum);
#define REGISTER_U_ADDR(addr, blockend, regnum) \
(addr) = register_u_addr (blockend, regnum)
/* Provide access to the i386 hardware debugging registers. */
extern void i386_linux_dr_set_control (unsigned long control);
#define I386_DR_LOW_SET_CONTROL(control) \
i386_linux_dr_set_control (control)
extern void i386_linux_dr_set_addr (int regnum, CORE_ADDR addr);
#define I386_DR_LOW_SET_ADDR(regnum, addr) \
i386_linux_dr_set_addr (regnum, addr)
extern void i386_linux_dr_reset_addr (int regnum);
#define I386_DR_LOW_RESET_ADDR(regnum) \
i386_linux_dr_reset_addr (regnum)
extern unsigned long i386_linux_dr_get_status (void);
#define I386_DR_LOW_GET_STATUS() \
i386_linux_dr_get_status ()
/* We define this if link.h is available, because with ELF we use SVR4
style shared libraries. */
#ifdef HAVE_LINK_H
#define SVR4_SHARED_LIBS
#include "solib.h" /* Support for shared libraries. */
#endif
/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
#define FETCH_INFERIOR_REGISTERS
/* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we
might fall 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
general-purpose registers in that way. */
extern int cannot_fetch_register (int regno);
extern int cannot_store_register (int regno);
#define CANNOT_FETCH_REGISTER(regno) cannot_store_register (regno)
#define CANNOT_STORE_REGISTER(regno) cannot_fetch_register (regno)
/* Override child_resume in `infptrace.c'. */
#define CHILD_RESUME
/* FIXME: kettenis/2000-09-03: This should be moved to ../nm-linux.h
once we have converted all Linux targets to use the new threads
stuff (without the #undef of course). */
extern int lin_lwp_prepare_to_proceed (void);
#undef PREPARE_TO_PROCEED
#define PREPARE_TO_PROCEED(select_it) lin_lwp_prepare_to_proceed ()
extern void lin_lwp_attach_lwp (ptid_t ptid, int verbose);
#define ATTACH_LWP(ptid, verbose) lin_lwp_attach_lwp ((ptid), (verbose))
#include <signal.h>
extern void lin_thread_get_thread_signals (sigset_t *mask);
#define GET_THREAD_SIGNALS(mask) lin_thread_get_thread_signals (mask)
#endif /* nm_linux.h */
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