gdb/xm-sysv4.h

   1 /* Definitions for running gdb on a host machine running any flavor of SVR4.
   2    Copyright 1991, 1992 Free Software Foundation, Inc.
   3    Written by Fred Fish at Cygnus Support (fnf@cygnus.com).
   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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 /* Use SVR4 style shared library support */
  22
  23 #define SVR4_SHARED_LIBS
  24
  25 /* SVR4 has /proc support, so use it instead of ptrace. */
  26
  27 #define USE_PROC_FS
  28
  29 /* SVR4 has termio facilities. */
  30
  31 #define HAVE_TERMIO
  32
  33 /* SVR4 has mmap facilities */
  34
  35 #define HAVE_MMAP
  36
  37 /* TIOCGETC and TIOCGLTC are picked up somewhere, but struct tchars
  38    and struct ltchars are not.  This makes problems for inflow.c.
  39    It is unknown at this time if this is a generic SVR4 problem or
  40    one just limited to the initial SVR4 port host machine. */
  41
  42 #define TIOCGETC_BROKEN
  43 #define TIOCGLTC_BROKEN
  44
  45 /* SVR4 is a derivative of System V Release 3 (USG) */
  46
  47 #define USG
  48
  49 /* Get rid of any system-imposed stack limit if possible.  */
  50
  51 /* #define SET_STACK_LIMIT_HUGE */
  52
  53 /* SVR4 machines can easily do attach and detach via /proc (procfs.c)
  54    support */
  55
  56 #define ATTACH_DETACH
  57
  58 /* If we are using SVR4 /proc instead of ptrace, use CREATE_INFERIOR_HOOK
  59    to do internal /proc initialization. */
  60
  61 #ifdef USE_PROC_FS
  62 #define CREATE_INFERIOR_HOOK(pid) inferior_proc_init(pid)
  63 #endif
  64
  65 /* Use setpgid(0,0) to run inferior in a separate process group */
  66
  67 #define NEED_POSIX_SETPGID
  68
  69 /* If gdb's signal handling changes (due to a "handle" command), then
  70    this macro expands to an action to perform to notify other parts of
  71    gdb that might care, that signal handling has changed.  For hosts using
  72    the /proc interface, gdb has more control over which signals cause the
  73    inferior to stop and which do not.  In some cases, it is desirable to
  74    have signals delivered directly to the inferior without involving the
  75    debugger at all. */
  76
  77 #ifdef USE_PROC_FS
  78 #define NOTICE_SIGNAL_HANDLING_CHANGE proc_signal_handling_change()
  79 #endif
  80
  81 /* We have to include these files now, so that GDB will not make
  82    competing definitions in defs.h.  */
  83 #include <limits.h>