| /* Native support for Linux/x86. |
| Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
| 1999, 2000 |
| 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 |
| |
| #include "i386/nm-i386v.h" |
| #include "nm-linux.h" |
| |
| /* Return sizeof user struct to callers in less machine dependent routines */ |
| |
| #define KERNEL_U_SIZE kernel_u_size() |
| extern int kernel_u_size (void); |
| |
| #define U_REGS_OFFSET 0 |
| |
| /* GNU/Linux supports the 386 hardware debugging registers. */ |
| |
| #define TARGET_HAS_HARDWARE_WATCHPOINTS |
| |
| #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1 |
| |
| /* 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. |
| But we do need to reset the status register to avoid another trap. */ |
| #define HAVE_CONTINUABLE_WATCHPOINT |
| |
| #define STOPPED_BY_WATCHPOINT(W) \ |
| i386_stopped_by_watchpoint (inferior_pid) |
| |
| /* Use these macros for watchpoint insertion/removal. */ |
| |
| #define target_insert_watchpoint(addr, len, type) \ |
| i386_insert_watchpoint (inferior_pid, addr, len, type) |
| |
| #define target_remove_watchpoint(addr, len, type) \ |
| i386_remove_watchpoint (inferior_pid, addr, len) |
| |
| /* 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 |
| |
| extern CORE_ADDR i386_stopped_by_watchpoint (int); |
| extern int i386_insert_watchpoint (int pid, CORE_ADDR addr, int len, int rw); |
| extern int i386_remove_watchpoint (int pid, CORE_ADDR addr, int len); |
| |
| /* 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 (int pid, int verbose); |
| #define ATTACH_LWP(pid, verbose) lin_lwp_attach_lwp ((pid), (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 */ |