Extensive minor changes to avoid various gcc warnings. Also:

* Makefile.in (BFD32_BACKENDS): Remove coff-arm.o.
	* archures.c (bfd_arch_info_type): Change mach field from long to
	unsigned long.
	(bfd_lookup_arch): Change machine parameter from long to unsigned
	long.

bfd/cpu-mips.c

@@ -0,0 +1,92 @@
+/* bfd back-end for mips support
+   Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
+   Written by Steve Chamberlain of Cygnus Support.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+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.  */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+static bfd_arch_info_type arch_info_struct[] = 
+{
+  {
+    32,	/* 32 bits in a word */
+    32,	/* 32 bits in an address */
+    8,	/* 8 bits in a byte */
+    bfd_arch_mips,
+    3000,
+    "mips",
+    "mips:3000",
+    3,
+    true,
+    bfd_default_compatible, 
+    bfd_default_scan,
+    0,
+  },
+  {
+    32,	/* 32 bits in a word */
+    32,	/* 32 bits in an address */
+    8,	/* 8 bits in a byte */
+    bfd_arch_mips,
+    6000,
+    "mips",
+    "mips:6000",
+    3,
+    false,
+    bfd_default_compatible, 
+    bfd_default_scan,
+    0,
+  },
+  {
+    64, /* 64 bits in a word */
+    64, /* 64 bits in an address */
+    8,  /* 8 bits in a byte */
+    bfd_arch_mips,
+    4000,
+    "mips",
+    "mips:4000",
+    3,
+    false,
+    bfd_default_compatible, 
+    bfd_default_scan ,
+    0,
+  },
+  {
+    64, /* 64 bits in a word */
+    64, /* 64 bits in an address */
+    8,  /* 8 bits in a byte */
+    bfd_arch_mips,
+    8000,
+    "mips",
+    "mips:8000",
+    3,
+    false,
+    bfd_default_compatible, 
+    bfd_default_scan ,
+    0,
+  }
+};
+
+void
+bfd_mips_arch ()
+{
+  register unsigned int i;
+
+  for (i = 0; i < sizeof (arch_info_struct) / sizeof (*arch_info_struct); i++)
+    bfd_arch_linkin(&arch_info_struct[i]);
+}