* except.h (output_function_exception_table): Add 'const char*' param.
* except.c (switch_to_exception_section): Add 'const char*' param.
If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
and flag_function_sections is set, use a function-specific section.
(output_function_exception_table): Add 'const char*' param.
Adjust call to switch_to_exception_section.
* final.c (rest_of_handle_final): Adjust calls to
output_function_exception_table.
* configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
* config.in: Regenerate.
* configure: Likewise.