[deliverable/binutils-gdb.git] / gdb / config / rs6000 / xm-rs6000.h

/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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

/* At least as of AIX 3.2, we have termios.  */
#define	HAVE_TERMIOS 1
/* #define HAVE_TERMIO 1 */

#define	USG 1
#define	HAVE_SIGSETMASK	1

#define FIVE_ARG_PTRACE

/* This system requires that we open a terminal with O_NOCTTY for it to
   not become our controlling terminal.  */

#define	USE_O_NOCTTY

/* 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

/* 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 PARAMS ((void));

/* This doesn't seem to be declared in any header file I can find.  */
char *termdef PARAMS ((int, int));

/* `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;			\
  }						\
}

/* setpgrp() messes up controling terminal. The other version of it
   requires libbsd.a. */
#define	setpgrp(XX,YY)		setpgid (XX, YY)
Commit	Line	Data
5076de82 FF	1	/* Parameters for hosting on an RS6000, for GDB, the GNU debugger.
	2	Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
	3	Contributed by IBM Corporation.
	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
6c9638b4	19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
5076de82 FF	20
	21	/* The following text is taken from config/rs6000.mh:
	22	* # The IBM version of /usr/include/rpc/rpc.h has a bug -- it says
	23	* # `extern fd_set svc_fdset;' without ever defining the type fd_set.
	24	* # Unfortunately this occurs in the vx-share code, which is not configured
	25	* # like the rest of GDB (e.g. it doesn't include "defs.h").
	26	* # We circumvent this bug by #define-ing fd_set here, but undefining it in
	27	* # the xm-rs6000.h file before ordinary modules try to use it. FIXME, IBM!
	28	* MH_CFLAGS='-Dfd_set=int'
	29	* So, here we do the undefine...which has to occur before we include
	30	* <sys/select.h> below.
	31	*/
	32	#undef fd_set
	33
	34	#include <sys/select.h>
	35
	36	/* Big end is at the low address */
	37
	38	#define HOST_BYTE_ORDER BIG_ENDIAN
	39
c2e247c4 JK	40	/* At least as of AIX 3.2, we have termios. */
	41	#define HAVE_TERMIOS 1
	42	/* #define HAVE_TERMIO 1 */
	43
5076de82 FF	44	#define USG 1
	45	#define HAVE_SIGSETMASK 1
	46
407f52c1 JL	47	#define FIVE_ARG_PTRACE
407f52c1 JL	48
5076de82 FF	49	/* This system requires that we open a terminal with O_NOCTTY for it to
	50	not become our controlling terminal. */
	51
	52	#define USE_O_NOCTTY
	53
5076de82 FF	54	/* Brain death inherited from PC's pervades. */
	55	#undef NULL
	56	#define NULL 0
	57
	58	/* The IBM compiler requires this in order to properly compile alloca(). */
	59	#pragma alloca
	60
	61	/* There is no vfork. */
	62
	63	#define vfork fork
	64
	65	/* Setpgrp() takes arguments, unlike ordinary Sys V's. */
	66
	67	#define SETPGRP_ARGS 1
	68
5076de82 FF	69	/* AIX doesn't have strdup, so we need to declare it for libiberty */
	70	extern char strdup PARAMS ((char ));
	71
	72	/* Signal handler for SIGWINCH `window size changed'. */
	73
	74	#define SIGWINCH_HANDLER aix_resizewindow
81a80f32	75	extern void aix_resizewindow PARAMS ((void));
5076de82	76
359a097f JK	77	/* This doesn't seem to be declared in any header file I can find. */
	78	char *termdef PARAMS ((int, int));
	79
5076de82 FF	80	/* `lines_per_page' and `chars_per_line' are local to utils.c. Rectify this. */
	81
	82	#define SIGWINCH_HANDLER_BODY \
	83	\
	84	/* Respond to SIGWINCH `window size changed' signal, and reset GDB's \
	85	window settings approproatelt. */ \
	86	\
	87	void \
	88	aix_resizewindow () \
	89	{ \
	90	int fd = fileno (stdout); \
	91	if (isatty (fd)) { \
	92	int val; \
	93	\
	94	val = atoi (termdef (fd, 'l')); \
	95	if (val > 0) \
	96	lines_per_page = val; \
	97	val = atoi (termdef (fd, 'c')); \
	98	if (val > 0) \
	99	chars_per_line = val; \
	100	} \
	101	}
8bab3808 C	102
	103	/* setpgrp() messes up controling terminal. The other version of it
	104	requires libbsd.a. */
	105	#define setpgrp(XX,YY) setpgid (XX, YY)
	106