+# Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2003, 2004, 2006, 2007,
+# 2009, 2010 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This file 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+# True if the object format is known to be ELF.
+#
+proc is_elf_format {} {
+ if { ![istarget *-*-sysv4*]
+ && ![istarget *-*-unixware*]
+ && ![istarget *-*-elf*]
+ && ![istarget *-*-eabi*]
+ && ![istarget *-*-rtems*]
+ && ![istarget hppa*64*-*-hpux*]
+ && ![istarget ia64-*-hpux*]
+ && ![istarget *-*-linux*]
+ && ![istarget *-*-gnu*]
+ && ![istarget frv-*-uclinux*]
+ && ![istarget bfin-*-uclinux]
+ && ![istarget sh*-*-uclinux*]
+ && ![istarget *-*-irix5*]
+ && ![istarget *-*-irix6*]
+ && ![istarget *-*-netbsd*]
+ && ![istarget *-*-openbsd*]
+ && ![istarget *-*-solaris2*] } {
+ return 0
+ }
+
+ if { [istarget *-*-linux*aout*]
+ || [istarget *-*-linux*oldld*]
+ || [istarget h8500-*-rtems*]
+ || [istarget i960-*-rtems*]
+ || [istarget *-*-rtemscoff*] } {
+ return 0
+ }
+
+ if { ![istarget *-*-netbsdelf*]
+ && ([istarget *-*-netbsd*aout*]
+ || [istarget *-*-netbsdpe*]
+ || [istarget arm*-*-netbsd*]
+ || [istarget sparc-*-netbsd*]
+ || [istarget i*86-*-netbsd*]
+ || [istarget m68*-*-netbsd*]
+ || [istarget vax-*-netbsd*]
+ || [istarget ns32k-*-netbsd*]) } {
+ return 0
+ }
+
+ if { [istarget arm-*-openbsd*]
+ || [istarget i386-*-openbsd\[0-2\].*]
+ || [istarget i386-*-openbsd3.\[0-2\]]
+ || [istarget m68*-*-openbsd*]
+ || [istarget ns32k-*-openbsd*]
+ || [istarget sparc-*-openbsd\[0-2\].*]
+ || [istarget sparc-*-openbsd3.\[0-1\]]
+ || [istarget vax-*-openbsd*] } {
+ return 0
+ }
+
+ return 1
+}
+
+# True if the object format is known to be a.out.
+#
+proc is_aout_format {} {
+ if { [istarget *-*-netbsdelf]
+ || [istarget sparc64-*-netbsd*]
+ || [istarget sparc64-*-openbsd*] } {
+ return 0
+ }
+ if { [istarget *-*-*\[ab\]out*]
+ || [istarget *-*-linux*oldld*]
+ || [istarget *-*-bsd*]
+ || [istarget *-*-msdos*]
+ || [istarget arm-*-netbsd*]
+ || [istarget arm-*-openbsd*]
+ || [istarget arm-*-riscix*]
+ || [istarget i?86-*-freebsd\[12\]*]
+ || [istarget i?86-*-netbsd*]
+ || [istarget i?86-*-openbsd\[0-2\]*]
+ || [istarget i?86-*-openbsd3.\[0-2\]*]
+ || [istarget i?86-*-vsta]
+ || [istarget i?86-*-mach*]
+ || [istarget m68*-*-netbsd*]
+ || [istarget m68*-*-openbsd*]
+ || [istarget ns32k-*-*]
+ || [istarget pdp11-*-*]
+ || [istarget sparc*-*-sunos4*]
+ || [istarget sparc*-*-netbsd*]
+ || [istarget sparc*-*-openbsd\[0-2\]*]
+ || [istarget sparc*-*-openbsd3.\[0-1\]*]
+ || [istarget sparc*-fujitsu-none]
+ || [istarget vax-dec-ultrix*]
+ || [istarget vax-*-netbsd] } {
+ return 1
+ }
+ return 0
+}
+
+# True if the object format is known to be PE COFF.
+#
+proc is_pecoff_format {} {
+ if { ![istarget *-*-mingw*]
+ && ![istarget *-*-cygwin*]
+ && ![istarget *-*-cegcc*]
+ && ![istarget *-*-pe*] } {
+ return 0
+ }
+
+ return 1
+}
+
+# True if the object format is known to be 64-bit ELF.
+#
+proc is_elf64 { binary_file } {
+ global READELF
+ global READELFFLAGS
+
+ set readelf_size ""
+ catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
+
+ if ![string match "" $got] then {
+ return 0
+ }
+
+ if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
+ [file_contents readelf.out] nil readelf_size] } {
+ return 0
+ }
+
+ if { $readelf_size == "64" } {
+ return 1
+ }
+
+ return 0
+}