2012-01-04 Shinichiro Hamaji <shinichiro.hamaji@gmail.com>

2012-01-04  Shinichiro Hamaji  <shinichiro.hamaji@gmail.com>

	* dwarf2.c (_bfd_dwarf2_slurp_debug_info): Factor out the part
	which reads DWARF2 and stores in stash from find_line.
	(find_line) Call _bfd_dwarf2_slurp_debug_info.
	* libbfd-in.h (_bfd_dwarf2_slurp_debug_info): Add declaration.
	* libbfd.h (_bfd_dwarf2_slurp_debug_info): Regenerate.
	* mach-o.c (dsym_subdir): The name of subdir where debug
	information may be stored.
	(bfd_mach_o_lookup_uuid_command): New. Lookup a load command whose
	type is UUID.
	(bfd_mach_o_dsym_for_uuid_p): New. Check if the specified BFD is
	corresponding to the executable.
	(bfd_mach_o_find_dsym): New. Find a debug information BFD in the
	specified binary file.
	(bfd_mach_o_follow_dsym): New. Find a debug information BFD for
	the original BFD.
	(bfd_mach_o_find_nearest_line): Check dSYM files for Mach-O
	executables, dylibs, and bundles.
	(bfd_mach_o_close_and_cleanup): Clean up BFDs for the dSYM file.
	* mach-o.h (dsym_bfd): The BFD of the dSYM file.