* dwarf2out.c (default_eh_frame_section): Delete, moving handling

	* dwarf2out.c (default_eh_frame_section): Delete, moving handling
	of EH_FRAME_SECTION_NAME into...
	(switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
	if it is still null.
	* except.c (default_exception_section): Delete, moving most
	of the code to...
	(switch_to_exception_section): ...this new function.  Set
	exception_section if it is still null, then switch to it.
	(output_function_exception_table): Use switch_to_exception_section.
	* varasm.c (exception_section, eh_frame_section): Update comments.
	(get_section): Hoist use of SECTION_NAMED.
	(init_varasm_once): Don't set exception_section and eh_frame_section.
	* output.h (default_exception_section): Delete.
	(default_eh_frame_section): Delete.

testsuite/
	* gcc.dg/20051207-1.c,
	* gcc.dg/20051207-2.c,
	* gcc.dg/20051207-3.c: New tests.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108336 138bc75d-0d04-0410-961f-82ee72b054a4