| 1 | /* Native support for GNU/Linux, for GDB, the GNU debugger. |
| 2 | Copyright (C) 1999 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #ifndef NM_LINUX_H |
| 23 | #define NM_LINUX_H |
| 24 | |
| 25 | #include "nm-linux.h" |
| 26 | |
| 27 | /* Note: It seems likely that we'll have to eventually define |
| 28 | FETCH_INFERIOR_REGISTERS. But until that time, we'll make do |
| 29 | with the following. */ |
| 30 | |
| 31 | #define CANNOT_FETCH_REGISTER(regno) ia64_cannot_fetch_register(regno) |
| 32 | extern int ia64_cannot_fetch_register (int regno); |
| 33 | |
| 34 | #define CANNOT_STORE_REGISTER(regno) ia64_cannot_store_register(regno) |
| 35 | extern int ia64_cannot_store_register (int regno); |
| 36 | |
| 37 | #ifdef GDBSERVER |
| 38 | #define REGISTER_U_ADDR(addr, blockend, regno) \ |
| 39 | (addr) = ia64_register_u_addr ((blockend),(regno)); |
| 40 | |
| 41 | extern int ia64_register_u_addr(int, int); |
| 42 | #endif /* GDBSERVER */ |
| 43 | |
| 44 | #define U_REGS_OFFSET 0 |
| 45 | |
| 46 | #define PTRACE_ARG3_TYPE long |
| 47 | #define PTRACE_XFER_TYPE long |
| 48 | |
| 49 | /* Hardware watchpoints */ |
| 50 | |
| 51 | #define TARGET_HAS_HARDWARE_WATCHPOINTS |
| 52 | |
| 53 | #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1 |
| 54 | |
| 55 | /* The IA-64 architecture can step over a watch point (without triggering |
| 56 | it again) if the "dd" (data debug fault disable) bit in the processor |
| 57 | status word is set. |
| 58 | |
| 59 | This PSR bit is set in ia64_linux_stopped_by_watchpoint when the |
| 60 | code there has determined that a hardware watchpoint has indeed |
| 61 | been hit. The CPU will then be able to execute one instruction |
| 62 | without triggering a watchpoint. */ |
| 63 | #define HAVE_STEPPABLE_WATCHPOINT 1 |
| 64 | |
| 65 | #define STOPPED_BY_WATCHPOINT(W) \ |
| 66 | ia64_linux_stopped_by_watchpoint (inferior_pid) |
| 67 | extern CORE_ADDR ia64_linux_stopped_by_watchpoint (int); |
| 68 | |
| 69 | #define target_insert_watchpoint(addr, len, type) \ |
| 70 | ia64_linux_insert_watchpoint (inferior_pid, addr, len, type) |
| 71 | extern int ia64_linux_insert_watchpoint (int pid, CORE_ADDR addr, |
| 72 | int len, int rw); |
| 73 | |
| 74 | #define target_remove_watchpoint(addr, len, type) \ |
| 75 | ia64_linux_remove_watchpoint (inferior_pid, addr, len) |
| 76 | extern int ia64_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len); |
| 77 | |
| 78 | /* FIXME: kettenis/2000-09-03: This should be moved to ../nm-linux.h |
| 79 | once we have converted all Linux targets to use the new threads |
| 80 | stuff (without the #undef of course). */ |
| 81 | |
| 82 | extern int lin_lwp_prepare_to_proceed (void); |
| 83 | #undef PREPARE_TO_PROCEED |
| 84 | #define PREPARE_TO_PROCEED(select_it) lin_lwp_prepare_to_proceed () |
| 85 | |
| 86 | extern void lin_lwp_attach_lwp (int pid, int verbose); |
| 87 | #define ATTACH_LWP(pid, verbose) lin_lwp_attach_lwp ((pid), (verbose)) |
| 88 | |
| 89 | #include <signal.h> |
| 90 | |
| 91 | extern void lin_thread_get_thread_signals (sigset_t *mask); |
| 92 | #define GET_THREAD_SIGNALS(mask) lin_thread_get_thread_signals (mask) |
| 93 | |
| 94 | #endif /* #ifndef NM_LINUX_H */ |