binutils-gdb/gdb/xm-sun4os5.h
1992-04-09 09:30:45 +00:00

62 lines
2.3 KiB
C

/* Macro definitions for running gdb on a Sun 4 running sunos 5.
Copyright 1989, 1992 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Most of what we know is generic to SPARC hosts. */
#include "xm-sparc.h"
/* Pick up more stuff from the generic SVR4 host include file. */
#include "xm-sysv4.h"
/* SVR4's can't seem to agree on what to call the type that contains the
general registers. Kludge around it with a #define. */
#define gregset_t prgreg_t
#define fpregset_t prfpregset_t
/* The native Sun compiler complains about using volatile
to indicate functions that never return. So shut it up by simply
defining away "NORETURN", which is normally defined to "volatile". */
#ifndef __GNUC__
# define NORETURN /**/
#endif
/* Large alloca's fail because the attempt to increase the stack limit in
main() fails because shared libraries are allocated just below the initial
stack limit. The SunOS kernel will not allow the stack to grow into
the area occupied by the shared libraries. Sun knows about this bug
but has no obvious fix for it. */
#define BROKEN_LARGE_ALLOCA
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
/* These are not currently used in SVR4 (but should be, FIXME!). */
#undef DO_DEFERRED_STORES
#undef CLEAR_DEFERRED_STORES