* defs.h (OPF_TRY_CWD_FIRST, OPF_SEARCH_IN_PATH): New macros.

	* defs.h (OPF_TRY_CWD_FIRST, OPF_SEARCH_IN_PATH): New macros.

	* exec.c (exec_file_attach):
	* nto-tdep.c (nto_find_and_open_solib):
	* pa64solib.c (pa64_solib_sizeof_symbol_table):
	* solib.c (solib_open):
	* somsolib.c (som_solib_sizeof_symbol_table):
	* source.c (is_regular_file, openp, open_source_file):
	* symfile.c (symfile_bfd_open):
	* wince.c (upload_to_device): Differentiate between the search for
	binary and source files.