2012-11-14 Tristan Gingold <gingold@adacore.com>

2012-11-14  Tristan Gingold  <gingold@adacore.com>

	* external.h (mach_o_entry_point_command_external)
	(mach_o_source_version_command_external)
	(mach_o_data_in_code_entry_external): New structures.

	* loader.h (bfd_mach_o_load_command_type): Add
	BFD_MACH_O_LC_MAIN, BFD_MACH_O_LC_DATA_IN_CODE,
	BFD_MACH_O_LC_SOURCE_VERSION and BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS.
	(BFD_MACH_O_REFERENCE_MASK): Adjust value.
	(BFD_MACH_O_N_REF_TO_WEAK): New definition.
	(BFD_MACH_O_N_ARM_THUMB_DEF, BFD_MACH_O_N_SYMBOL_RESOLVER): Likewise.
	(bfd_mach_o_data_in_code_entry_kind): New enum.