gdb/config/mips/nm-irix5.h

   1 /* Definitions for native support of irix5.
   2
   3    Copyright 1993, 1996, 1998, 1999, 2000 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 /* Use SVR4 style shared library support */
  23
  24 #include "solib.h"
  25
  26 /* SVR4 has /proc support, so use it instead of ptrace. */
  27
  28 #define USE_PROC_FS
  29
  30 #undef IN_SOLIB_DYNSYM_RESOLVE_CODE
  31
  32 #define TARGET_HAS_HARDWARE_WATCHPOINTS
  33
  34 /* TARGET_CAN_USE_HARDWARE_WATCHPOINT is now defined to go through
  35    the target vector.  For Irix5, procfs_can_use_hw_watchpoint()
  36    should be invoked.  */
  37
  38 /* When a hardware watchpoint fires off the PC will be left at the
  39    instruction which caused the watchpoint.  It will be necessary for
  40    GDB to step over the watchpoint. */
  41
  42 #define STOPPED_BY_WATCHPOINT(W) \
  43      procfs_stopped_by_watchpoint(inferior_ptid)
  44 extern int procfs_stopped_by_watchpoint (ptid_t);
  45
  46 /* Use these macros for watchpoint insertion/deletion.  */
  47 /* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
  48 #define target_insert_watchpoint(ADDR, LEN, TYPE) \
  49      procfs_set_watchpoint (inferior_ptid, ADDR, LEN, TYPE, 0)
  50 #define target_remove_watchpoint(ADDR, LEN, TYPE) \
  51      procfs_set_watchpoint (inferior_ptid, ADDR, 0, 0, 0)
  52 extern int procfs_set_watchpoint (ptid_t, CORE_ADDR, int, int, int);
  53
  54 #define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1
  55
  56 /* Override register locations in upage for SGI machines */
  57 #define REGISTER_U_ADDR(addr, blockend, regno)          \
  58   if (regno < PC_REGNUM)                                \
  59       addr = regno;                                     \
  60   else                                                  \
  61       addr = regno + NSIG_HNDLRS;       /* Skip over signal handlers */