De-indent example code in rs6000-aix-tdep.c (ARI fix)

This patch de-indents the code provided as a comment explaining
how the code declaring the ld_info32_desc and ld_info64_desc globals
was generated. The intent is to avoid an ARI warning about a macro
not starting at column zero of the line.

gdb/ChangeLog:

        * rs6000-aix-tdep.c: De-indent some example code provided
        as a comment.
[dwarf] Mark all functions as prototyped except C functions.

This makes sure that the types of the arguments are taken into account
when performing an inferior function call to a non-C (or C-like)
function.  In particular, this makes sure that the arguments are
appropriatly converted to the correct type.

For instance, on x86_64-linux, with the following Ada code:

   procedure Set_Float (F : Float) is
   begin
      Global_Float := F;
   end Set_Float;

The following sequence shows that Float arguments are incorrectly
passed (Ada's Float type is the equivalent of type "float" in C):

    (gdb) call set_float (2.0)
    (gdb) print global_float
    $1 = 0.0

Putting a breakpoint inside set_float to inspect the value of
register xmm0 gives the first hint of the problem:

    (gdb) p $xmm0
    $2 = (v4_float => (0 => 0.0, 2.0, 0.0, 0.0),
          v2_double => (0 => 2.0, 0.0),
    [...]

It shows that the argument was passed as a double.

The code responsible for doing appropriate type conversions
for the arguments (value_arg_coerce) found that our function
was not prototyped, and thus could not use typing information
for the arguments. Instead, it defaulted to the value of "set
coerce-float-to-double", which by default is true, to determine
the argument type.

This patch fixes the problem by setting the PROTOTYPE flag
for all functions of any language except C and Objective C.

gdb/ChangeLog:

        * dwarf2read.c (prototyped_function_p): New function.
        (read_subroutine_type): Use it.

gdb/testsuite/ChangeLog:

        * gdb.ada/float_param: New testcase.
	* config/tc-ppc.c (md_apply_fix): Hoist code common to insn
	and data fixups performing shift/high adjust/sign extension on
	fieldval.  Sink fx_pcrel handling and checks.  Use fixP->fx_size
	when writing data fixups rather than recalculating size.
Add missing empty line after var declarations in handle_unload_dll

gdb/ChangeLog:

        * windows-nat.c (handle_unload_dll): Add missing empty line.
bfd/elf64-aarch64.c: Remove dead code.

The relocs_copied member is never assigned a non-NULL value, so
this code does not appear to be used.

bfd/ChangeLog:

2013-05-20  Will Newton  <will.newton@linaro.org>

	* elf64-aarch64.c (elf64_aarch64_link_hash_entry): Remove
	relocs_copied member.
	(elf64_aarch64_link_hash_newfunc): Remove initialization of
	relocs_copied member.
	(elf64_aarch64_copy_indirect_symbol): Remove code to copy
	relocs_copied member.
	When reading CU, stay in DWO.  Be more tolerent of bad debug info.
	For Fission.
	* dwarf2read.c (struct dwarf2_per_cu_data): New member
	reading_dwo_directly.
	(struct signatured_type): New member dwo_unit.
	(struct die_reader_specs): New member comp_dir.
	(create_signatured_type_table_from_index): Use malloc for
	all_type_units instead of objfile's obstack.
	(create_all_type_units): Ditto.
	(fill_in_sig_entry_from_dwo_entry): New function.
	(add_type_unit): New function.
	(lookup_dwo_signatured_type): New function.
	(lookup_dwp_signatured_type): New function.
	(lookup_signatured_type): New arg cu.  All callers updated.
	(init_cu_die_reader): Initialize comp_dir.
	(read_cutu_die_from_dwo): New arg stub_comp_dir.  All callers updated.
	Change assert of matching type signatures to call error on mismatch.
	(lookup_dwo_unit): Add assert.
	(init_tu_and_read_dwo_dies): New function.
	(init_cutu_and_read_dies): Call it.
	(build_type_unit_groups): Handle case of no type unit groups created.
	(hash_dwo_file, eq_dwo_file): Handle missing comp_dir.
	(lookup_dwo_cutu): Tweak complaint.
	(dwarf2_free_abbrev_table): Check for NULL abbrev_table.
	(dwarf2_per_objfile_free): Free all_type_units.
2013-05-20  Andreas Tobler  <andreas@fgznet.ch>

        * Makefile.in (ALL_TARGET_OBS): Add ppcfbsd-tdep.o.
        (ALLDEPFILES): Add ppcfbsd-nat.c and ppcfbsd-tdep.c.
	* python/py-arch.c (arch_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-block.c (block_syms_iterator_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-bpevent.c (breakpoint_event_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-cmd.c (cmdpy_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-continueevent.c (continue_event_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-event.h (GDBPY_NEW_EVENT_TYPE):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-events.h (thread_event_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-evtregistry.c (eventregistry_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-exitedevent.c (exited_event_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-finishbreakpoint.c (finish_breakpoint_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-function.c (fnpy_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-inferior.c (inferior_object_type, membuf_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-infthread.c (thread_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-lazy-string.c (lazy_string_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-newobjfileevent.c (new_objfile_event_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-objfile.c (objfile_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-param.c (parmpy_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-progspace.c (pspace_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-signalevent.c (signal_event_object_type):
	Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-symtab.c (symtab_object_type, sal_object_type): Use
	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-type.c (type_object_type, field_object_type)
	(type_iterator_object_type): Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-internal.h (CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF): New
	define.
	(value_object_type, block_object_type, symbol_object_type)
	(event_object_type, stop_event_object_type, breakpoint_object_type)
	(frame_object_type): Use CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF.
	* python/py-threadevent.c (get_event_thread): Use
	CPYCHECKER_RETURNS_BORROWED_REF.
	* python/python-internal.h (CPYCHECKER_RETURNS_BORROWED_REF):
	New define.
	(pspace_to_pspace_object, objfile_to_objfile_object)
	(find_thread_object): Use it.
	* python/py-function.c (fnpy_init): Decref result of
	PyObject_GetAttrString.
	* python/python.c (before_prompt_hook): Add cleanup to
	decref 'hook'.
	* py-cmd.c (gdbpy_string_to_argv): Check result of
	PyList_New.
	* py-evtregistry.c (create_event_object): Decref
	eventregistry_object if PyList_New fails.
        * python/py-event.h (evpy_emit_event): Use
        CPYCHECKER_STEALS_REFERENCE_TO_ARG.
        * python/python-internal.h (CPYCHECKER_STEALS_REFERENCE_TO_ARG):
        New macro.
	* python/python-internal.h (events_object_type): Remove.
	* python/py-arch.c (archpy_disassemble): Update.
	* python/py-type.c (typy_get_composite, typy_lookup_typename)
	(typy_lookup_type): Use GDB_PY_HANDLE_EXCEPTION.
	* python/py-utils.c (gdbpy_convert_exception): Return 'void'.
	* python/python-internal.h (CPYCHECKER_SETS_EXCEPTION): New
	macro.
	(GDB_PY_HANDLE_EXCEPTION): Update.
	(gdbpy_convert_exception): Update.  Use CPYCHECKER_SETS_EXCEPTION.
	* python/py-event.h (gdbpy_initialize_event_generic): Use
	CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION.
	* python/py-evts.c (add_new_registry): Use
	CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION.
	* python/python-internal.h
	(CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION): New macro.
	* python/py-cmd.c (cmdpy_init): Decref 'ds_obj'.
	* python/py-cmd.c (cmdpy_completer): Use iterator protocol.
	Correctly decref.
	* python/py-event.c (evpy_emit_event): Decref the
	result of PyObject_CallFunctionObjArgs.