(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
in the name/type/flags to section mapping. Don't call
allocate_output_section.
(Layout::choose_output_section): Change parameter from adjust_name
to is_input_section. Don't permit input sections after sections
are attached to segments. Don't call allocate_output_section.
(Layout::layout_eh_frame): Call update_flags_for_input_section,
not write_enable_output_section.
(Layout::make_output_section): Don't push to
unattached_section_list_ nor call attach_to_segment. Call
attach_section_to_segment if sections are attached.
(Layout::attach_sections_to_segments): New function.
(Layout::attach_section_to_segment): New function.
(Layout::attach_allocated_section_to_segment): Rename from
attach_to_segment. Remove flags parameter.
(Layout::allocate_output_section): Remove function.
(Layout::write_enable_output_section): Remove function.
* layout.h (class Layout): Update for above changes. Add new
field sections_are_attached_.
* output.h (Output_section::update_flags_for_input_section): New
function.
* output.cc (Output_section::add_input_section): Call
update_flags_for_input_section.
* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
* layout.cc (Layout::Layout): Initialize new field.
(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
output section until we find a section we merged successfully.
* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
that the size be non-zero.
name that needs sorting, set the must_sort flag for the output
section.
(Layout::make_output_section): If the name of the output section
indicates that it might require sorting, set the may_sort flag.
* output.h (Output_section::may_sort_attached_input_sections): New
function.
(Output_section::set_may_sort_attached_input_sections): New
function.
(Output_section::must_sort_attached_input_sections): New
function.
(Output_section::set_must_sort_attached_input_sections): New
function.
(class Output_section): Declare Input_section_sort_entry. Define
Input_section_sort_compare. Declare
sort_attached_input_sections. Add new fields:
may_sort_attached_input_sections_,
must_sort_attached_input_sections_,
attached_input_sections_are_sorted_.
* output.cc (Output_section::Output_section): Initialize new
fields.
(Output_section::add_input_section): Add an entry to
input_sections_ if may_sort or must_sort are true.
(Output_section::set_final_data_size): Call
sort_attached_input_sections if necessary.
(Output_section::Input_section_sort_entry): Define new class.
(Output_section::Input_section_sort_compare::operator()): New
function.
(Output_section::sort_attached_input_sections): New function.
* configure.ac: Check whether the compiler supports constructor
priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
* testsuite/initpri1.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
CONSTRUCTOR_PRIORITY.
(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
(initpri1_LDFLAGS): New variable.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
