Fix misc x32 bugs.

Fix misc x32 bugs.

bfd/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_backend_post_process_headers): Defined
	for x32.

binutils/testsuite/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* binutils-all/elfedit-1.d: Updated for x32.

gas/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.tgt: Support x32.

ld/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.tgt: Support x32.

ld/testsuite/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-elf/eh1.d: Skip x32.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.

	* ld-elfvsb/elfvsb.exp: Only xfail 64bit x86_64-*-linux*.
	* ld-shared/shared.exp: Likewise.

	* ld-ifunc/ifunc-1-local-x86.d: Support x32.
	* ld-ifunc/ifunc-1-x86.d: Likewise.
	* ld-ifunc/ifunc-3a-x86.d: Likewise.
	* ld-x86-64/pcrel16.d: Likewise.

	* ld-x86-64/x86-64.exp (x86_64tests): Add missing -melf_x86_64.