gdb/xm-sun4sol2.h

   1 /* Macro definitions for running gdb on a Sun 4 running Solaris 2.
   2    Copyright 1989, 1992 Free Software Foundation, Inc.
   3
   4 This file is part of GDB.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /* Most of what we know is generic to SPARC hosts.  */
  21
  22 #include "xm-sparc.h"
  23
  24 /* Pick up more stuff from the generic SVR4 host include file. */
  25
  26 #include "xm-sysv4.h"
  27
  28 /* SVR4's can't seem to agree on what to call the type that contains the
  29    general registers.  Kludge around it with a #define.  */
  30
  31 #define gregset_t       prgreg_t
  32 #define fpregset_t      prfpregset_t
  33
  34 /* The native Sun compiler complains about using volatile
  35    to indicate functions that never return.  So shut it up by simply
  36    defining away "NORETURN", which is normally defined to "volatile". */
  37
  38 #ifndef __GNUC__
  39 # define NORETURN /**/
  40 #endif
  41
  42 /* Large alloca's fail because the attempt to increase the stack limit in
  43    main() fails because shared libraries are allocated just below the initial
  44    stack limit.  The SunOS kernel will not allow the stack to grow into
  45    the area occupied by the shared libraries.  Sun knows about this bug
  46    but has no obvious fix for it.  */
  47 #define BROKEN_LARGE_ALLOCA
  48
  49 /* If you expect to use the mmalloc package to obtain mapped symbol files,
  50    for now you have to specify some parameters that determine how gdb places
  51    the mappings in it's address space.  See the comments in map_to_address()
  52    for details.  This is expected to only be a short term solution.  Yes it
  53    is a kludge.
  54    FIXME:  Make this more automatic. */
  55
  56 #define MMAP_BASE_ADDRESS       0xE0000000      /* First mapping here */
  57 #define MMAP_INCREMENT          0x01000000      /* Increment to next mapping */
  58
  59 /* These are not currently used in SVR4 (but should be, FIXME!).  */
  60 #undef  DO_DEFERRED_STORES
  61 #undef  CLEAR_DEFERRED_STORES
  62
  63 /* May be needed, may be not?  From Pace Willisson's port.  FIXME.  */
  64 #define NEED_POSIX_SETPGID