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/* Parameters for hosting on an RS6000, for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
Contributed by IBM Corporation.
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. */
/* The following text is taken from config/rs6000.mh:
* # The IBM version of /usr/include/rpc/rpc.h has a bug -- it says
* # `extern fd_set svc_fdset;' without ever defining the type fd_set.
* # Unfortunately this occurs in the vx-share code, which is not configured
* # like the rest of GDB (e.g. it doesn't include "defs.h").
* # We circumvent this bug by #define-ing fd_set here, but undefining it in
* # the xm-rs6000.h file before ordinary modules try to use it. FIXME, IBM!
* MH_CFLAGS='-Dfd_set=int'
* So, here we do the undefine...which has to occur before we include
* <sys/select.h> below.
*/
#undef fd_set
#include <sys/select.h>
/* Big end is at the low address */
#define HOST_BYTE_ORDER BIG_ENDIAN
#define HAVE_TERMIO 1
#define USG 1
#define HAVE_SIGSETMASK 1
/* AIX declares the mem functions differently than defs.h does. AIX is
right, but defs.h works on more old systems. For now, override it. */
#define MEM_FNS_DECLARED 1
/* This system requires that we open a terminal with O_NOCTTY for it to
not become our controlling terminal. */
#define USE_O_NOCTTY
/* Get rid of any system-imposed stack limit if possible. */
#define SET_STACK_LIMIT_HUGE
/* Brain death inherited from PC's pervades. */
#undef NULL
#define NULL 0
/* The IBM compiler requires this in order to properly compile alloca(). */
#pragma alloca
/* There is no vfork. */
#define vfork fork
/* Setpgrp() takes arguments, unlike ordinary Sys V's. */
#define SETPGRP_ARGS 1
/* /usr/include/stdlib.h always uses void* and void,
even when __STDC__ isn't defined. */
#define MALLOC_INCOMPATIBLE
extern void *malloc PARAMS ((size_t size));
extern void *realloc PARAMS ((void *ptr, size_t size));
extern void free PARAMS ((void *));
/* AIX doesn't have strdup, so we need to declare it for libiberty */
extern char *strdup PARAMS ((char *));
/* Signal handler for SIGWINCH `window size changed'. */
#define SIGWINCH_HANDLER aix_resizewindow
extern void aix_resizewindow ();
/* `lines_per_page' and `chars_per_line' are local to utils.c. Rectify this. */
#define SIGWINCH_HANDLER_BODY \
\
/* Respond to SIGWINCH `window size changed' signal, and reset GDB's \
window settings approproatelt. */ \
\
void \
aix_resizewindow () \
{ \
int fd = fileno (stdout); \
if (isatty (fd)) { \
int val; \
\
val = atoi (termdef (fd, 'l')); \
if (val > 0) \
lines_per_page = val; \
val = atoi (termdef (fd, 'c')); \
if (val > 0) \
chars_per_line = val; \
} \
}
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