Delete HOST_BYTE_ORDER.

55 files changed, 48 insertions, 222 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 9c9a5d15f0a..82e143da8f0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,39 @@
 2001-12-01  Andrew Cagney  <ac131313@redhat.com>
 
+	* defs.h: Update comment on HOST_BYTE_ORDER.
+	* config/xm-aix4.h: Delete definition of HOST_BYTE_ORDER.
+	* config/xm-nbsd.h, config/alpha/xm-alphalinux.h: Ditto.
+	* config/alpha/xm-alphaosf.h, config/alpha/xm-fbsd.h: Ditto.
+	* config/arm/xm-linux.h, config/i386/xm-cygwin.h: Ditto.
+	* config/i386/xm-i386bsd.h, config/i386/xm-i386gnu.h: Ditto.
+	* config/i386/xm-i386lynx.h, config/i386/xm-i386m3.h: Ditto.
+	* config/i386/xm-i386mach.h, config/i386/xm-i386v.h: Ditto.
+	* config/i386/xm-ptx.h, config/i386/xm-symmetry.h: Ditto.
+	* config/ia64/xm-aix.h, config/ia64/xm-linux.h: Ditto.
+	* config/m68k/xm-3b1.h, config/m68k/xm-apollo68b.h: Ditto.
+	* config/m68k/xm-apollo68v.h, config/m68k/xm-delta68.h: Ditto.
+	* config/m68k/xm-dpx2.h, config/m68k/xm-hp300bsd.h: Ditto.
+	* config/m68k/xm-hp300hpux.h, config/m68k/xm-m68k.h: Ditto.
+	* config/m68k/xm-m68klynx.h, config/m68k/xm-sun2.h: Ditto.
+	* config/m68k/xm-sun3.h, config/m88k/xm-dgux.h: Ditto.
+	* config/m88k/xm-m88k.h, config/mips/xm-irix3.h: Ditto.
+	* config/mips/xm-irix5.h, config/mips/xm-linux.h: Ditto.
+	* config/mips/xm-mips.h, config/mips/xm-mipsm3.h: Ditto.
+	* config/mips/xm-mipsv4.h, config/mips/xm-news-mips.h: Ditto.
+	* config/mips/xm-riscos.h, config/pa/xm-hppab.h: Ditto.
+	* config/pa/xm-hppah.h, config/powerpc/xm-linux.h: Ditto.
+	* config/romp/xm-rtbsd.h, config/rs6000/xm-rs6000.h: Ditto.
+	* config/rs6000/xm-rs6000ly.h, config/s390/xm-linux.h: Ditto.
+	* config/sparc/xm-sparc.h, config/sparc/xm-sparclynx.h: Ditto.
+	* config/vax/xm-vax.h: Ditto.
+
+	* config/a29k/tm-vx29k.h: Add #error as file depends on
+	HOST_BYTE_ORDER.
+	* config/a29k/tm-a29k.h: Ditto.
+	* MAINTAINERS (a29k-amd-udi): Document as broken.
+
+2001-12-01  Andrew Cagney  <ac131313@redhat.com>
+
 	* Makefile.in (tm-news.h, tm-isi.h, xm-news1000.h): Delete.
 	(ALLDEPFILES): Delete news-xdep.c.
 	(news-xdep.o): Delete.
diff --git a/gdb/MAINTAINERS b/gdb/MAINTAINERS
index 3db0c41c4be..96dba4bdea7 100644
--- a/gdb/MAINTAINERS
+++ b/gdb/MAINTAINERS
@@ -51,7 +51,7 @@ variants.  *-tdep.c. The Target/Architecture maintainer works with the
 host maintainer when resolving build issues.  The Target/Architecture
 maintainer works with the native maintainer when resolving API issues.
 
-	a29k		--target=a29k-amd-udi -Werror
+	a29k		(--target=a29k-amd-udi broken)
 			Maintenance only
 
 	alpha		--target=alpha-dec-osf4.0a -Werror
diff --git a/gdb/config/a29k/tm-a29k.h b/gdb/config/a29k/tm-a29k.h
index bfd65191f28..9978459246e 100644
--- a/gdb/config/a29k/tm-a29k.h
+++ b/gdb/config/a29k/tm-a29k.h
@@ -1,6 +1,6 @@
 /* Parameters for target machine AMD 29000, for GDB, the GNU debugger.
-   Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000
-   Free Software Foundation, Inc.
+   Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+   2001 Free Software Foundation, Inc.
    Contributed by Cygnus Support.  Written by Jim Kingdon.
 
    This file is part of GDB.
@@ -617,6 +617,7 @@ extern void pop_frame ();
    asneq 0x50,gr1,gr1  ; breakpoint     (replaced by local breakpoint insn)
  */
 
+#error "This file is broken.  GDB does not define HOST_BYTE_ORDER."
 #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
 #define BS(const)	const
 #else
diff --git a/gdb/config/a29k/tm-vx29k.h b/gdb/config/a29k/tm-vx29k.h
index fb6ecb3fd50..15113c5cdeb 100644
--- a/gdb/config/a29k/tm-vx29k.h
+++ b/gdb/config/a29k/tm-vx29k.h
@@ -44,6 +44,7 @@
    For Vxworks, the breakpoint is set and deleted by calls to
    CALL_DUMMY_BREAK_SET and CALL_DUMMY_BREAK_DELETE.  */
 
+#error "This file is broken.  GDB does not define HOST_BYTE_ORDER."
 #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
 #define CALL_DUMMY {0x0400870f,\
 		0x36008200|(MSP_HW_REGNUM), \
diff --git a/gdb/config/alpha/xm-alphalinux.h b/gdb/config/alpha/xm-alphalinux.h
index 579fe11fce4..b487630e7f5 100644
--- a/gdb/config/alpha/xm-alphalinux.h
+++ b/gdb/config/alpha/xm-alphalinux.h
@@ -18,10 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#if !defined (HOST_BYTE_ORDER)
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 /* The alpha has no siginterrupt routine.  */
 #define NO_SIGINTERRUPT
 
diff --git a/gdb/config/alpha/xm-alphaosf.h b/gdb/config/alpha/xm-alphaosf.h
index 4d32951a143..67d3cc4af8a 100644
--- a/gdb/config/alpha/xm-alphaosf.h
+++ b/gdb/config/alpha/xm-alphaosf.h
@@ -18,10 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#if !defined (HOST_BYTE_ORDER)
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 /* The alpha has no siginterrupt routine.  */
 #define NO_SIGINTERRUPT
 
diff --git a/gdb/config/alpha/xm-fbsd.h b/gdb/config/alpha/xm-fbsd.h
index b1e7efddd4f..e69de29bb2d 100644
--- a/gdb/config/alpha/xm-fbsd.h
+++ b/gdb/config/alpha/xm-fbsd.h
@@ -1,26 +0,0 @@
-/* Host-dependent definitions for FreeBSD/i386.
-   Copyright 2000 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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef XM_FBSD_H
-#define XM_FBSD_H
-
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
-#endif /* XM_FBSD_H */
diff --git a/gdb/config/arm/xm-linux.h b/gdb/config/arm/xm-linux.h
index e8f9e85d792..fa82a1e8f39 100644
--- a/gdb/config/arm/xm-linux.h
+++ b/gdb/config/arm/xm-linux.h
@@ -21,8 +21,6 @@
 #ifndef XM_ARMLINUX_H
 #define XM_ARMLINUX_H
 
-#define HOST_BYTE_ORDER		LITTLE_ENDIAN
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 #define KERNEL_U_ADDR 0x0
diff --git a/gdb/config/i386/xm-cygwin.h b/gdb/config/i386/xm-cygwin.h
index 1945a75aea7..b8290c28cb2 100644
--- a/gdb/config/i386/xm-cygwin.h
+++ b/gdb/config/i386/xm-cygwin.h
@@ -18,9 +18,9 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 #include "fopen-bin.h"
 
+#define GDBINIT_FILENAME "gdb.ini"
+
 /* Define this if source files use \r\n rather than just \n.  */
 #define CRLF_SOURCE_FILES
diff --git a/gdb/config/i386/xm-i386bsd.h b/gdb/config/i386/xm-i386bsd.h
index 870839db729..ca0ffb2ab8f 100644
--- a/gdb/config/i386/xm-i386bsd.h
+++ b/gdb/config/i386/xm-i386bsd.h
@@ -19,6 +19,4 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 #include <machine/limits.h>	/* for INT_MIN */
diff --git a/gdb/config/i386/xm-i386gnu.h b/gdb/config/i386/xm-i386gnu.h
index 37bf1e5204f..711aeebccfb 100644
--- a/gdb/config/i386/xm-i386gnu.h
+++ b/gdb/config/i386/xm-i386gnu.h
@@ -19,8 +19,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 #define HOST_LONG_DOUBLE_FORMAT &floatformat_i387_ext
 
 /* Do implement the attach and detach commands.  */
diff --git a/gdb/config/i386/xm-i386lynx.h b/gdb/config/i386/xm-i386lynx.h
index c9cc69d7844..0aedb137bbd 100644
--- a/gdb/config/i386/xm-i386lynx.h
+++ b/gdb/config/i386/xm-i386lynx.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* Get generic LynxOS host definitions. */
 
 #include "xm-lynx.h"
diff --git a/gdb/config/i386/xm-i386m3.h b/gdb/config/i386/xm-i386m3.h
index 6f2f8968c1e..f25b3891210 100644
--- a/gdb/config/i386/xm-i386m3.h
+++ b/gdb/config/i386/xm-i386m3.h
@@ -19,8 +19,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* Do implement the attach and detach commands.  */
 #define ATTACH_DETACH	1
 
diff --git a/gdb/config/i386/xm-i386mach.h b/gdb/config/i386/xm-i386mach.h
index b895c645ef1..e0a5d651376 100644
--- a/gdb/config/i386/xm-i386mach.h
+++ b/gdb/config/i386/xm-i386mach.h
@@ -19,8 +19,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 
diff --git a/gdb/config/i386/xm-i386v.h b/gdb/config/i386/xm-i386v.h
index 4476b6970ba..1c329054f22 100644
--- a/gdb/config/i386/xm-i386v.h
+++ b/gdb/config/i386/xm-i386v.h
@@ -19,8 +19,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* I'm running gdb 3.4 under 386/ix 2.0.2, which is a derivative of AT&T's
    Sys V/386 3.2.
 
diff --git a/gdb/config/i386/xm-ptx.h b/gdb/config/i386/xm-ptx.h
index ad26a848db7..6dfb9d6d4e3 100644
--- a/gdb/config/i386/xm-ptx.h
+++ b/gdb/config/i386/xm-ptx.h
@@ -36,5 +36,3 @@
 #define USG
 
 #define USE_O_NOCTTY
-
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
diff --git a/gdb/config/i386/xm-symmetry.h b/gdb/config/i386/xm-symmetry.h
index 477ee1b86be..781a343961a 100644
--- a/gdb/config/i386/xm-symmetry.h
+++ b/gdb/config/i386/xm-symmetry.h
@@ -26,5 +26,3 @@
 #define NO_SIGINTERRUPT
 
 #define HAVE_WAIT_STRUCT
-
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
diff --git a/gdb/config/ia64/xm-aix.h b/gdb/config/ia64/xm-aix.h
index 97c790d67cc..6ca026d493f 100644
--- a/gdb/config/ia64/xm-aix.h
+++ b/gdb/config/ia64/xm-aix.h
@@ -21,8 +21,6 @@
 #ifndef XM_AIX_H
 #define XM_AIX_H
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* Pick up more stuff from the generic SVR4 host include file. */
 
 #include "xm-sysv4.h"
diff --git a/gdb/config/ia64/xm-linux.h b/gdb/config/ia64/xm-linux.h
index 6f6b05579bd..adf6b21b4cc 100644
--- a/gdb/config/ia64/xm-linux.h
+++ b/gdb/config/ia64/xm-linux.h
@@ -21,8 +21,6 @@
 #ifndef XM_LINUX_H
 #define XM_LINUX_H
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 #define KERNEL_U_ADDR 0x0
diff --git a/gdb/config/m68k/xm-3b1.h b/gdb/config/m68k/xm-3b1.h
index 9b9fcf10c02..acf72e98201 100644
--- a/gdb/config/m68k/xm-3b1.h
+++ b/gdb/config/m68k/xm-3b1.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 #define HAVE_TERMIO
 #define USG
 
diff --git a/gdb/config/m68k/xm-apollo68b.h b/gdb/config/m68k/xm-apollo68b.h
index fc053e27632..d77509d5a0d 100644
--- a/gdb/config/m68k/xm-apollo68b.h
+++ b/gdb/config/m68k/xm-apollo68b.h
@@ -18,6 +18,4 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 #define ALIGN_STACK_ON_STARTUP
diff --git a/gdb/config/m68k/xm-apollo68v.h b/gdb/config/m68k/xm-apollo68v.h
index 264076baa8e..8919088b4f2 100644
--- a/gdb/config/m68k/xm-apollo68v.h
+++ b/gdb/config/m68k/xm-apollo68v.h
@@ -23,8 +23,6 @@
  * July 1988
  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* I'm running gdb 3.4 under 386/ix 2.0.2, which is a derivative of AT&T's
    Sys V/386 3.2.
 
diff --git a/gdb/config/m68k/xm-delta68.h b/gdb/config/m68k/xm-delta68.h
index d1375459cd2..f691c387db2 100644
--- a/gdb/config/m68k/xm-delta68.h
+++ b/gdb/config/m68k/xm-delta68.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* I'm running gdb 4.9 under sysV68 R3V7.1.
 
    On some machines, gdb crashes when it's starting up while calling the
diff --git a/gdb/config/m68k/xm-dpx2.h b/gdb/config/m68k/xm-dpx2.h
index 4595c818126..4083c9dbc19 100644
--- a/gdb/config/m68k/xm-dpx2.h
+++ b/gdb/config/m68k/xm-dpx2.h
@@ -18,7 +18,5 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 #define HAVE_TERMIOS
 #define USG
diff --git a/gdb/config/m68k/xm-hp300bsd.h b/gdb/config/m68k/xm-hp300bsd.h
index f8659a4c73f..b938353b5f7 100644
--- a/gdb/config/m68k/xm-hp300bsd.h
+++ b/gdb/config/m68k/xm-hp300bsd.h
@@ -25,8 +25,6 @@
  * Problems to hpbsd-bugs@cs.utah.edu
  */
 
-#define	HOST_BYTE_ORDER	BIG_ENDIAN
-
 #include <sys/param.h>		/* For INT_MIN */
 
 /* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
diff --git a/gdb/config/m68k/xm-hp300hpux.h b/gdb/config/m68k/xm-hp300hpux.h
index ec07767aac7..f5982b4491a 100644
--- a/gdb/config/m68k/xm-hp300hpux.h
+++ b/gdb/config/m68k/xm-hp300hpux.h
@@ -19,8 +19,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* Define this to indicate problems with traps after continuing.  */
 #define HP_OS_BUG
 
diff --git a/gdb/config/m68k/xm-m68k.h b/gdb/config/m68k/xm-m68k.h
index a751f0ee089..5dc40ecb8f7 100644
--- a/gdb/config/m68k/xm-m68k.h
+++ b/gdb/config/m68k/xm-m68k.h
@@ -19,4 +19,3 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
diff --git a/gdb/config/m68k/xm-m68klynx.h b/gdb/config/m68k/xm-m68klynx.h
index 1247b5d7603..40619aae437 100644
--- a/gdb/config/m68k/xm-m68klynx.h
+++ b/gdb/config/m68k/xm-m68klynx.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* Get generic LynxOS host definitions. */
 
 #include "xm-lynx.h"
diff --git a/gdb/config/m68k/xm-sun2.h b/gdb/config/m68k/xm-sun2.h
index 532390c2141..cf846192491 100644
--- a/gdb/config/m68k/xm-sun2.h
+++ b/gdb/config/m68k/xm-sun2.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 
diff --git a/gdb/config/m68k/xm-sun3.h b/gdb/config/m68k/xm-sun3.h
index 523c4785d5a..6a5a560e1c3 100644
--- a/gdb/config/m68k/xm-sun3.h
+++ b/gdb/config/m68k/xm-sun3.h
@@ -18,9 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
-
 /* Interface definitions for kernel debugger KDB.  */
 
 /* Map machine fault codes into signal numbers.
diff --git a/gdb/config/m88k/xm-dgux.h b/gdb/config/m88k/xm-dgux.h
index f1c6826397b..11220f5c026 100644
--- a/gdb/config/m88k/xm-dgux.h
+++ b/gdb/config/m88k/xm-dgux.h
@@ -21,8 +21,6 @@
 
 #include "m88k/xm-m88k.h"
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 #if !defined (USG)
 #define USG 1
 #endif
diff --git a/gdb/config/m88k/xm-m88k.h b/gdb/config/m88k/xm-m88k.h
index 68ae0554177..e69de29bb2d 100644
--- a/gdb/config/m88k/xm-m88k.h
+++ b/gdb/config/m88k/xm-m88k.h
@@ -1,21 +0,0 @@
-/* Host-machine dependent parameters for Motorola 88000, for GDB.
-   Copyright 1993 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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#define HOST_BYTE_ORDER BIG_ENDIAN
diff --git a/gdb/config/mips/xm-irix3.h b/gdb/config/mips/xm-irix3.h
index 88ad4452c84..27da9a53880 100644
--- a/gdb/config/mips/xm-irix3.h
+++ b/gdb/config/mips/xm-irix3.h
@@ -21,8 +21,6 @@
 
 #define HAVE_TERMIO
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* Override register locations in upage for SGI machines */
 #undef REGISTER_U_ADDR
 #define REGISTER_U_ADDR(addr, blockend, regno) 		\
diff --git a/gdb/config/mips/xm-irix5.h b/gdb/config/mips/xm-irix5.h
index 24c625af369..78c3a071e10 100644
--- a/gdb/config/mips/xm-irix5.h
+++ b/gdb/config/mips/xm-irix5.h
@@ -21,8 +21,6 @@
 
 #include "xm-sysv4.h"
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* Override register locations in upage for SGI machines */
 #undef REGISTER_U_ADDR
 #define REGISTER_U_ADDR(addr, blockend, regno) 		\
diff --git a/gdb/config/mips/xm-linux.h b/gdb/config/mips/xm-linux.h
index d691e465993..c19895e0423 100644
--- a/gdb/config/mips/xm-linux.h
+++ b/gdb/config/mips/xm-linux.h
@@ -21,13 +21,4 @@
 #ifndef XM_MIPSLINUX_H
 #define XM_MIPSLINUX_H
 
-#ifndef HOST_BYTE_ORDER
-#include <endian.h>
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define HOST_BYTE_ORDER BIG_ENDIAN
-#else
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#endif
-#endif
-
 #endif /* XM_MIPSLINUX_H */
diff --git a/gdb/config/mips/xm-mips.h b/gdb/config/mips/xm-mips.h
index 4b40fc8ee68..c1f53b53ed9 100644
--- a/gdb/config/mips/xm-mips.h
+++ b/gdb/config/mips/xm-mips.h
@@ -21,10 +21,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#if !defined (HOST_BYTE_ORDER)
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 #ifdef ultrix
 /* Needed for DECstation core files.  */
 #include <machine/param.h>
diff --git a/gdb/config/mips/xm-mipsm3.h b/gdb/config/mips/xm-mipsm3.h
index c11f11fd99d..b2e9f4d5330 100644
--- a/gdb/config/mips/xm-mipsm3.h
+++ b/gdb/config/mips/xm-mipsm3.h
@@ -20,10 +20,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#if !defined (HOST_BYTE_ORDER)
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 #define KERNEL_U_ADDR 0		/* Not needed. */
 
 /* Only used for core files on DECstations. */
diff --git a/gdb/config/mips/xm-mipsv4.h b/gdb/config/mips/xm-mipsv4.h
index af60741bc08..76fa5da19db 100644
--- a/gdb/config/mips/xm-mipsv4.h
+++ b/gdb/config/mips/xm-mipsv4.h
@@ -20,5 +20,3 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "xm-sysv4.h"
-
-#define HOST_BYTE_ORDER BIG_ENDIAN
diff --git a/gdb/config/mips/xm-news-mips.h b/gdb/config/mips/xm-news-mips.h
index 0f032d7e5b9..e69de29bb2d 100644
--- a/gdb/config/mips/xm-news-mips.h
+++ b/gdb/config/mips/xm-news-mips.h
@@ -1,26 +0,0 @@
-/* Definitions to make GDB run on a mips box under 4.3bsd.
-   Copyright 1986, 1987, 1989, 1993, 1994, 1995
-   Free Software Foundation, Inc.
-   Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin
-   and by Alessandro Forin(af@cs.cmu.edu) at CMU
-
-   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.  */
-
-#if !defined (HOST_BYTE_ORDER)
-#define HOST_BYTE_ORDER BIG_ENDIAN
-#endif
diff --git a/gdb/config/mips/xm-riscos.h b/gdb/config/mips/xm-riscos.h
index acffc875c4a..1f03c5a00a8 100644
--- a/gdb/config/mips/xm-riscos.h
+++ b/gdb/config/mips/xm-riscos.h
@@ -19,10 +19,6 @@
 
 #define HAVE_TERMIO
 
-#if !defined (HOST_BYTE_ORDER)
-#define HOST_BYTE_ORDER BIG_ENDIAN
-#endif
-
 #define USG 1
 
 /* setjmp.h requires uid_t.  */
diff --git a/gdb/config/pa/xm-hppab.h b/gdb/config/pa/xm-hppab.h
index 01753f04aca..d2561dfcf69 100644
--- a/gdb/config/pa/xm-hppab.h
+++ b/gdb/config/pa/xm-hppab.h
@@ -21,8 +21,4 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-/* This is a big-endian host.  */
-
-#define	HOST_BYTE_ORDER	BIG_ENDIAN
-
 #include "pa/xm-pa.h"
diff --git a/gdb/config/pa/xm-hppah.h b/gdb/config/pa/xm-hppah.h
index bb212187afa..b1c26dd4de8 100644
--- a/gdb/config/pa/xm-hppah.h
+++ b/gdb/config/pa/xm-hppah.h
@@ -22,9 +22,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-/* Host is big-endian. */
-#define	HOST_BYTE_ORDER	BIG_ENDIAN
-
 #include "pa/xm-pa.h"
 
 #define USG
diff --git a/gdb/config/powerpc/xm-linux.h b/gdb/config/powerpc/xm-linux.h
index 410ece1693c..c8a029d1010 100644
--- a/gdb/config/powerpc/xm-linux.h
+++ b/gdb/config/powerpc/xm-linux.h
@@ -21,8 +21,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #ifndef XM_LINUX_H
 #define XM_LINUX_H
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 #define KERNEL_U_ADDR 0x0
diff --git a/gdb/config/romp/xm-rtbsd.h b/gdb/config/romp/xm-rtbsd.h
index 5781d752856..e7918163ee2 100644
--- a/gdb/config/romp/xm-rtbsd.h
+++ b/gdb/config/romp/xm-rtbsd.h
@@ -19,9 +19,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-/* This machine is most significant byte first */
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* This OS has the wait structure */
 #define HAVE_WAIT_STRUCT
 
diff --git a/gdb/config/rs6000/xm-rs6000.h b/gdb/config/rs6000/xm-rs6000.h
index bf0553f9fb4..51096e643b0 100644
--- a/gdb/config/rs6000/xm-rs6000.h
+++ b/gdb/config/rs6000/xm-rs6000.h
@@ -37,8 +37,6 @@
 
 /* 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 */
diff --git a/gdb/config/rs6000/xm-rs6000ly.h b/gdb/config/rs6000/xm-rs6000ly.h
index 39f7e481f02..459df951315 100644
--- a/gdb/config/rs6000/xm-rs6000ly.h
+++ b/gdb/config/rs6000/xm-rs6000ly.h
@@ -21,8 +21,6 @@
 #ifndef XM_RS6000LYNX_H
 #define XM_RS6000LYNX_H
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* Get generic LynxOS host definitions. */
 
 #include "xm-lynx.h"
diff --git a/gdb/config/s390/xm-linux.h b/gdb/config/s390/xm-linux.h
index 5c5955c8429..d059d4097f4 100644
--- a/gdb/config/s390/xm-linux.h
+++ b/gdb/config/s390/xm-linux.h
@@ -23,9 +23,6 @@
 #ifndef XM_LINUX_H
 #define XM_LINUX_H
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 #define KERNEL_U_ADDR 0x0
diff --git a/gdb/config/sparc/xm-sparc.h b/gdb/config/sparc/xm-sparc.h
index 28f806f96be..e69de29bb2d 100644
--- a/gdb/config/sparc/xm-sparc.h
+++ b/gdb/config/sparc/xm-sparc.h
@@ -1,23 +0,0 @@
-/* Host definitions for a Sun 4, for GDB, the GNU debugger.
-   Copyright 1986, 1987, 1989, 1991, 1992, 1996
-   Free Software Foundation, Inc.
-   Contributed by Michael Tiemann (tiemann@mcc.com).
-
-   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.  */
-
-#define HOST_BYTE_ORDER BIG_ENDIAN
diff --git a/gdb/config/sparc/xm-sparclynx.h b/gdb/config/sparc/xm-sparclynx.h
index 7777bc7f9e0..aeed5b0ca50 100644
--- a/gdb/config/sparc/xm-sparclynx.h
+++ b/gdb/config/sparc/xm-sparclynx.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER BIG_ENDIAN
-
 /* Get generic LynxOS host definitions. */
 
 #include "xm-lynx.h"
diff --git a/gdb/config/vax/xm-vax.h b/gdb/config/vax/xm-vax.h
index 3512d5b18aa..9924f260140 100644
--- a/gdb/config/vax/xm-vax.h
+++ b/gdb/config/vax/xm-vax.h
@@ -18,8 +18,6 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-
 /* This is the amount to subtract from u.u_ar0
    to get the offset in the core file of the register values.  */
 
diff --git a/gdb/config/xm-aix4.h b/gdb/config/xm-aix4.h
index dc0aae76068..bea086a371b 100644
--- a/gdb/config/xm-aix4.h
+++ b/gdb/config/xm-aix4.h
@@ -35,10 +35,6 @@
 
 #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 */
diff --git a/gdb/config/xm-nbsd.h b/gdb/config/xm-nbsd.h
index 9a1f94a1479..c8d00f6dd63 100644
--- a/gdb/config/xm-nbsd.h
+++ b/gdb/config/xm-nbsd.h
@@ -22,12 +22,5 @@
    define on some systems. */
 #include <sys/param.h>
 
-#include <machine/endian.h>
-#if BYTE_ORDER == BIG_ENDIAN
-#define HOST_BYTE_ORDER BIG_ENDIAN
-#else
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 /* NetBSD has termios facilities. */
 #define HAVE_TERMIOS
diff --git a/gdb/defs.h b/gdb/defs.h
index e338f3ce701..d75ecd35b22 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -1237,7 +1237,8 @@ extern void *alloca ();
 #endif /* Not GNU C */
 #endif /* alloca not defined */
 
-/* HOST_BYTE_ORDER must be defined to one of these.  */
+/* Get a definition of BIG_ENDIAN and LITTLE_ENDIAN.  */
+/* FIXME: cagney/2001-10-31: GDB should just use BFD's definitions.  */
 
 #ifdef HAVE_ENDIAN_H
 #include <endian.h>
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index f11965d8134..3a8fc7440eb 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2001-12-01  Andrew Cagney  <ac131313@redhat.com>
+
+	* gdbint.texinfo (Host Definition): Delete documentation on
+	HOST_BYTE_ORDER.
+
 2001-11-30  Jim Blandy  <jimb@redhat.com>
 
 	* gdb.texinfo (Overlays): New chapter, documenting GDB's
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo
index 2429c49ec0b..491eaaeed5f 100644
--- a/gdb/doc/gdbint.texinfo
+++ b/gdb/doc/gdbint.texinfo
@@ -2166,11 +2166,6 @@ tables.  For some machines this allows for sharing and quick updates.
 @item HAVE_TERMIO
 Define this if the host system has @code{termio.h}.
 
-@item HOST_BYTE_ORDER
-@cindex byte order
-The ordering of bytes in the host.  This must be defined to be either
-@code{BIG_ENDIAN} or @code{LITTLE_ENDIAN}.
-
 @item INT_MAX
 @itemx INT_MIN
 @itemx LONG_MAX