1 /* Native support for GNU/Linux, for GDB, the GNU debugger. 2 3 Copyright 1999, 2000, 2001, 2004 4 Free Software Foundation, Inc. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 59 Temple Place - Suite 330, 21 Boston, MA 02111-1307, USA. */ 22 23 #ifndef NM_LINUX_H 24 #define NM_LINUX_H 25 26 struct target_ops; 27 28 #include "config/nm-linux.h" 29 30 /* This is the amount to subtract from u.u_ar0 31 to get the offset in the core file of the register values. */ 32 #define KERNEL_U_ADDR 0x0 33 34 /* Note: It seems likely that we'll have to eventually define 35 FETCH_INFERIOR_REGISTERS. But until that time, we'll make do 36 with the following. */ 37 38 #define CANNOT_FETCH_REGISTER(regno) ia64_cannot_fetch_register(regno) 39 extern int ia64_cannot_fetch_register (int regno); 40 41 #define CANNOT_STORE_REGISTER(regno) ia64_cannot_store_register(regno) 42 extern int ia64_cannot_store_register (int regno); 43 44 #define U_REGS_OFFSET 0 45 46 /* Hardware watchpoints */ 47 48 #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1 49 50 /* The IA-64 architecture can step over a watch point (without triggering 51 it again) if the "dd" (data debug fault disable) bit in the processor 52 status word is set. 53 54 This PSR bit is set in ia64_linux_stopped_by_watchpoint when the 55 code there has determined that a hardware watchpoint has indeed 56 been hit. The CPU will then be able to execute one instruction 57 without triggering a watchpoint. */ 58 #define HAVE_STEPPABLE_WATCHPOINT 1 59 60 #define STOPPED_BY_WATCHPOINT(W) \ 61 ia64_linux_stopped_by_watchpoint () 62 extern int ia64_linux_stopped_by_watchpoint (); 63 64 #define target_stopped_data_address(target, x) \ 65 ia64_linux_stopped_data_address(x) 66 extern int ia64_linux_stopped_data_address (CORE_ADDR *addr_p); 67 68 #define target_insert_watchpoint(addr, len, type) \ 69 ia64_linux_insert_watchpoint (inferior_ptid, addr, len, type) 70 extern int ia64_linux_insert_watchpoint (ptid_t ptid, CORE_ADDR addr, 71 int len, int rw); 72 73 #define target_remove_watchpoint(addr, len, type) \ 74 ia64_linux_remove_watchpoint (inferior_ptid, addr, len) 75 extern int ia64_linux_remove_watchpoint (ptid_t ptid, CORE_ADDR addr, 76 int len); 77 78 #include "target.h" 79 80 #define NATIVE_XFER_UNWIND_TABLE ia64_linux_xfer_unwind_table 81 extern LONGEST ia64_linux_xfer_unwind_table (struct target_ops *ops, 82 enum target_object object, 83 const char *annex, 84 void *readbuf, 85 const void *writebuf, 86 ULONGEST offset, 87 LONGEST len); 88 89 #endif /* #ifndef NM_LINUX_H */ 90