[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, 1994, 1995, 1996, 1998,
   2000, 2001 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 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

/* Signal handler for SIGWINCH `window size changed'. */

#define	SIGWINCH_HANDLER  aix_resizewindow
extern void aix_resizewindow (int);

/* This doesn't seem to be declared in any header file I can find.  */
char *termdef (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 appropriately. */					\
									\
void 						\
aix_resizewindow (signo)			\
     int signo;					\
{						\
  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
c906108c	1	/* Parameters for hosting on an RS6000, for GDB, the GNU debugger.
b6ba6518 KB	2	Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
b6ba6518 KB	3	2000, 2001 Free Software Foundation, Inc.
c906108c SS	4	Contributed by IBM Corporation.
c906108c SS	5
c5aa993b	6	This file is part of GDB.
c906108c	7
c5aa993b JM	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
c906108c	12
c5aa993b JM	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
c906108c	17
c5aa993b JM	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 59 Temple Place - Suite 330,
	21	Boston, MA 02111-1307, USA. */
c906108c SS	22
	23	/* The following text is taken from config/rs6000.mh:
	24	* # The IBM version of /usr/include/rpc/rpc.h has a bug -- it says
	25	* # `extern fd_set svc_fdset;' without ever defining the type fd_set.
	26	* # Unfortunately this occurs in the vx-share code, which is not configured
	27	* # like the rest of GDB (e.g. it doesn't include "defs.h").
	28	* # We circumvent this bug by #define-ing fd_set here, but undefining it in
	29	* # the xm-rs6000.h file before ordinary modules try to use it. FIXME, IBM!
	30	* MH_CFLAGS='-Dfd_set=int'
	31	* So, here we do the undefine...which has to occur before we include
	32	* <sys/select.h> below.
	33	*/
	34	#undef fd_set
	35
	36	#include <sys/select.h>
	37
	38	/* Big end is at the low address */
	39
	40	#define HOST_BYTE_ORDER BIG_ENDIAN
	41
	42	/* At least as of AIX 3.2, we have termios. */
	43	#define HAVE_TERMIOS 1
	44	/* #define HAVE_TERMIO 1 */
	45
	46	#define USG 1
c906108c SS	47
	48	#define FIVE_ARG_PTRACE
	49
	50	/* This system requires that we open a terminal with O_NOCTTY for it to
	51	not become our controlling terminal. */
	52
	53	#define USE_O_NOCTTY
	54
	55	/* Brain death inherited from PC's pervades. */
	56	#undef NULL
	57	#define NULL 0
	58
	59	/* The IBM compiler requires this in order to properly compile alloca(). */
	60	#pragma alloca
	61
	62	/* There is no vfork. */
	63
	64	#define vfork fork
	65
c906108c SS	66	/* Signal handler for SIGWINCH `window size changed'. */
	67
	68	#define SIGWINCH_HANDLER aix_resizewindow
a14ed312	69	extern void aix_resizewindow (int);
c906108c SS	70
c906108c SS	71	/* This doesn't seem to be declared in any header file I can find. */
a14ed312	72	char *termdef (int, int);
c906108c SS	73
	74	/* `lines_per_page' and `chars_per_line' are local to utils.c. Rectify this. */
	75
	76	#define SIGWINCH_HANDLER_BODY \
	77	\
	78	/* Respond to SIGWINCH `window size changed' signal, and reset GDB's \
	79	window settings appropriately. */ \
	80	\
	81	void \
	82	aix_resizewindow (signo) \
	83	int signo; \
	84	{ \
	85	int fd = fileno (stdout); \
	86	if (isatty (fd)) { \
	87	int val; \
	88	\
	89	val = atoi (termdef (fd, 'l')); \
	90	if (val > 0) \
	91	lines_per_page = val; \
	92	val = atoi (termdef (fd, 'c')); \
	93	if (val > 0) \
	94	chars_per_line = val; \
	95	} \
	96	}
	97
	98	/* setpgrp() messes up controling terminal. The other version of it
	99	requires libbsd.a. */
	100	#define setpgrp(XX,YY) setpgid (XX, YY)