Add and use elfcomm.c/elfcomm.h.

Add and use elfcomm.c/elfcomm.h.

2010-11-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/12235
	* elfcomm.c: New.
	* elfcomm.h: Likewise.

	* Makefile.am (HFILES): Add elfcomm.h.
	(CFILES): Add elfcomm.c.
	(ELFLIBS): New.
	(readelf_SOURCES): Add $(ELFLIBS).
	(elfedit_SOURCES): Likewise.
	(objdump_SOURCES): Likewise.
	* Makefile.in: Regenerated.

	* dwarf.c: Include "elfcomm.h".
	(byte_get): Removed.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(byte_get_signed): Likewise.
	(error): Likewise.
	(warn): Likewise.

	* dwarf.h (dwarf_vma): Defined with HOST_WIDEST_INT.
	(dwarf_size_type): Likewise.
	(byte_get): Removed.
	(byte_get_signed): Likewise.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(error): Likewise.
	(warn): Likewise.

	* elfedit.c: Include "elfcomm.h".  Don't include "aout/ar.h".
	Call error () instead of non_fatal ().
	(streq): Removed.
	(strneq): Likewise.
	(const_strneq): Likewise.
	(non_fatal): Likewise.
	(BYTE_GET): Likewise.
	(BYTE_PUT): Likewise.
	(byte_get): Likewise.
	(byte_put): Likewise.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(adjust_relative_path): Likewise.
	(archive_info): Likewise.
	(setup_archive): Likewise.
	(release_archive): Likewise.
	(setup_nested_archive): Likewise.
	(get_archive_member_name): Likewise.
	(get_archive_member_name_at): Likewise.
	(make_qualified_name): Likewise.

	* objdump.c: Include "elfcomm.h".

	* readelf.c: Include "elfcomm.h".  Don't include "aout/ar.h".
	(BYTE_GET): Removed.
	(BYTE_GET_SIGNED): Removed.
	(streq): Likewise.
	(strneq): Likewise.
	(const_strneq): Likewise.
	(byte_put): Likewise.
	(byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(adjust_relative_path): Likewise.
	(archive_info): Likewise.
	(setup_archive): Likewise.
	(release_archive): Likewise.
	(setup_nested_archive): Likewise.
	(get_archive_member_name): Likewise.
	(get_archive_member_name_at): Likewise.
	(make_qualified_name): Likewise.