gdb/xm-irix4.h

   1 /* Copyright (C) 1991 Free Software Foundation, Inc.
   2
   3 This file is part of GDB.
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  18
  19 /* This is for the iris. */
  20
  21 #define HAVE_TERMIO
  22
  23 #define U_REGS_OFFSET 0
  24
  25 #include "xm-bigmips.h"
  26
  27 /* Override register locations in upage for SGI machines */
  28 #undef REGISTER_U_ADDR
  29 #define REGISTER_U_ADDR(addr, blockend, regno)          \
  30   if (regno < PC_REGNUM)                                \
  31       addr = regno;                                     \
  32   else                                                  \
  33       addr = regno + NSIG_HNDLRS; /* Skip over signal handlers */
  34
  35 /* Don't need special routines for the SGI -- we can use infptrace.c */
  36 #undef FETCH_INFERIOR_REGISTERS
  37
  38 /* BEGIN GW MODS */
  39 /*
  40  * Let's use /debug instead of all this dangerous mucking about
  41  * with ptrace(), which seems *extremely* fragile, anyway.
  42  */
  43 #define USE_PROC_FS
  44 #define PROC_NAME_FMT "/debug/%d"
  45
  46 /* If we are using SVR4 /proc instead of ptrace, use CREATE_INFERIOR_HOOK
  47    to do internal /proc initialization. */
  48 #ifdef USE_PROC_FS
  49 #define CREATE_INFERIOR_HOOK(pid) inferior_proc_init(pid)
  50 #endif
  51
  52 /* Irix defines psignal() in signal.h, which gets gcc rather angry at us
  53  * because their definition is markedly different.
  54  */
  55 #define PSIGNAL_IN_SIGNAL_H
  56
  57 /* If gdb's signal handling changes (due to a "handle" command), then
  58    this macro expands to an action to perform to notify other parts of
  59    gdb that might care, that signal handling has changed.  For hosts using
  60    the /proc interface, gdb has more control over which signals cause the
  61    inferior to stop and which do not.  In some cases, it is desirable to
  62    have signals delivered directly to the inferior without involving the
  63    debugger at all. */
  64 #ifdef USE_PROC_FS
  65 #define NOTICE_SIGNAL_HANDLING_CHANGE proc_signal_handling_change()
  66 #endif
  67
  68 #define BROKEN_SIGINFO_H        /* <sys/siginfo.h> si_pid & si_uid are bogus */