* target.cc (Target::do_plt_fde_location): New function.
* ehframe.h (class FDE): Add post_map field to u_.from_linker,
accessor function, and constructor param.
(struct Post_fde, Post_fdes): Declare.
(Cie::write): Add post_fdes param.
* ehframe.cc (Fde::write): Use plt_fde_location.
(struct Post_fde): Define.
(Cie::write): Stash FDEs added post merge mapping.
(Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
Adjust Fde constructor call. Bump final_data_size_ for post map FDEs.
(Eh_frame::do_sized_write): Arrange to write post map FDES after
other FDEs.
* powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
(Target_powerpc::has_glink): New function.
(Target_powerpc::do_relax): Add eh_frame info for stubs.
(struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
glink_eh_frame_fde_32, default_fde): New data.
(Stub_table::eh_frame_added_): New var.
(Stub_table::find_long_branch_entry, stub_address, stub_offset):
Make const.
(Stub_table::add_eh_frame): New function.
(Output_data_glink::add_eh_frame): New function.
(Target_powerpc::make_glink_section): Call add_eh_frame.
* options.h (class General_options): Add
--ld-generated-unwind-info.
* ehframe.cc (Fde::write): Add address parameter. Change all
callers. If associated with PLT, fill in address and size.
(Cie::set_output_offset): Only add merge mapping if there is an
object.
(Cie::write): Add address parameter. Change all callers.
(Eh_frame::add_ehframe_for_plt): New function.
* ehframe.h (class Fde): Update declarations. Move shndx_ and
input_offset_ fields into union u_, with new plt field.
(Fde::Fde): Adjust for new union field.
(Fde::Fde) [Output_data version]: New constructor.
(Fde::add_mapping): Only add merge mapping if there is an object.
(class Cie): Update declarations.
(class Eh_frame): Declare add_ehframe_for_plt.
* layout.cc (Layout::layout_eh_frame): Break out code into
make_eh_frame_section, and call it.
(Layout::make_eh_frame_section): New function.
(Layout::add_eh_frame_for_plt): New function.
* layout.h (class Layout): Update declarations.
* merge.cc (Merge_map::add_mapping): Add assertion.
* i386.cc: Include "dwarf.h".
(class Output_data_plt_i386): Make first_plt_entry,
dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const. Add
plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
and plt_eh_frame_fde.
(Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
boundary. Call add_eh_frame_for_plt if appropriate.
* x86_64.cc: Include "dwarf.h".
(class Output_data_plt_x86_64): Align to 16-byte boundary. Make
first_plt_entry, plt_entry and tlsdesc_plt_entry const. Add
plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
and plt_eh_frame_fde.
(Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
appropriate.
info; adjust display of GOT entries.
* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
vector of input objects; remove file_status_.
(Sized_incremental_binary::do_reserve_layout): Remove file_status_.
(Sized_incremental_binary::do_process_got_plt): Adjust calls to
got_plt reader; call target hooks to reserve GOT entries.
(Output_section_incremental_inputs::set_final_data_size): Adjust size
of input file info header and GOT info entry.
(Output_section_incremental_inputs::write_info_blocks): Write dynamic
relocation info.
(Got_plt_view_info::got_descriptor): Remove.
(Got_plt_view_info::sym_index): New data member.
(Got_plt_view_info::input_index): New data member.
(Local_got_offset_visitor::visit): Write input file index.
(Global_got_offset_visitor::visit): Write 0 for input file index.
(Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
with sym_index and input_index.
(Output_section_incremental_inputs::write_got_plt): Adjust size of
incremental info GOT entry; replace got_descriptor with input_index.
(Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
map from input file index to object.
(Sized_relobj_incr::do_layout): Replace direct data member reference
with accessor function.
(Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
* incremental.h (Incremental_input_entry_reader::get_symbol_offset):
Adjust size of input file info header.
(Incremental_input_entry_reader::get_first_dyn_reloc): New function.
(Incremental_input_entry_reader::get_dyn_reloc_count): New function.
(Incremental_input_entry_reader::get_input_section): Adjust size of
input file info header.
(Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
of incremental info GOT entry.
(Incremental_got_plt_reader::get_got_desc): Remove.
(Incremental_got_plt_reader::get_got_symndx): New function.
(Incremental_got_plt_reader::get_got_input_index): New function.
(Sized_incremental_binary::Sized_incremental_binary): Remove
file_status_; add input_objects_.
(Sized_incremental_binary::~Sized_incremental_binary): Remove.
(Sized_incremental_binary::set_file_is_unchanged): Remove.
(Sized_incremental_binary::file_is_unchanged): Remove.
(Sized_incremental_binary::set_input_object): New function.
(Sized_incremental_binary::input_object): New function.
(Sized_incremental_binary::file_status_): Remove.
(Sized_incremental_binary::input_objects_): New data member.
(Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
references.
(Sized_relobj_incr::invalid_address): Move to base class.
(Sized_relobj_incr::is_output_section_offset_invalid): Move to base
class.
(Sized_relobj_incr::do_output_section_offset): Likewise.
(Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
(Sized_relobj_incr::section_offsets_): Likewise.
* object.cc (Sized_relobj::do_for_all_local_got_entries): New
function.
(Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
(Sized_relobj_file::layout_section): Replace refs to section_offsets_
with accessor function.
(Sized_relobj_file::do_layout): Likewise.
(Sized_relobj_file::do_layout_deferred_sections): Likewise.
(Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
(Sized_relobj_file::compute_final_local_value): Replace refs to
section_offsets_ with accessor function.
(Sized_relobj_file::do_finalize_local_symbols): Likewise.
* object.h (Relobj::Relobj): Initialize new data members.
(Relobj::add_dyn_reloc): New function.
(Relobj::first_dyn_reloc): New function.
(Relobj::dyn_reloc_count): New function.
(Relobj::first_dyn_reloc_): New data member.
(Relobj::dyn_reloc_count_): New data member.
(Sized_relobj): Rename Sized_relobj_base to this; adjust all
references.
(Sized_relobj::Address): New typedef.
(Sized_relobj::invalid_address): Move here from child class.
(Sized_relobj::Sized_relobj): Initialize new data members.
(Sized_relobj::sized_relobj): New function.
(Sized_relobj::is_output_section_offset_invalid): Move here from
child class.
(Sized_relobj::get_output_section_offset): Likewise.
(Sized_relobj::local_has_got_offset): Likewise.
(Sized_relobj::local_got_offset): Likewise.
(Sized_relobj::set_local_got_offset): Likewise.
(Sized_relobj::do_for_all_local_got_entries): Likewise.
(Sized_relobj::clear_got_offsets): New function.
(Sized_relobj::section_offsets): Move here from child class.
(Sized_relobj::do_output_section_offset): Likewise.
(Sized_relobj::do_set_section_offset): Likewise.
(Sized_relobj::Local_got_offsets): Likewise.
(Sized_relobj::local_got_offsets_): Likewise.
(Sized_relobj::section_offsets_): Likewise.
(Sized_relobj_file): Rename Sized_relobj to this; adjust all
references.
(Sized_relobj_file::is_output_section_offset_invalid): Move to base
class.
(Sized_relobj_file::sized_relobj): New function
(Sized_relobj_file::local_has_got_offset): Move to base class.
(Sized_relobj_file::local_got_offset): Likewise.
(Sized_relobj_file::set_local_got_offset): Likewise.
(Sized_relobj_file::get_output_section_offset): Likewise.
(Sized_relobj_file::do_for_all_local_got_entries): Likewise.
(Sized_relobj_file::do_output_section_offset): Likewise.
(Sized_relobj_file::do_set_section_offset): Likewise.
(Sized_relobj_file::Local_got_offsets): Likewise.
(Sized_relobj_file::local_got_offsets_): Likewise.
(Sized_relobj_file::section_offsets_): Likewise.
* output.cc (Output_reloc::Output_reloc): Adjust type of relobj
(all constructors).
(set_needs_dynsym_index): Convert relobj to derived class pointer.
(Output_reloc::get_symbol_index): Likewise.
(Output_reloc::local_section_offset): Likewise.
(Output_reloc::get_address): Likewise.
(Output_reloc::symbol_value): Likewise.
(Output_data_got::reserve_slot): Move to class definition.
(Output_data_got::reserve_local): New function.
(Output_data_got::reserve_slot_for_global): Remove.
(Output_data_got::reserve_global): New function.
* output.h (Output_reloc::Output_reloc): Adjust type of relobj
(all constructors, two instantiations).
(Output_reloc::get_relobj): New function (two instantiations).
(Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
(Output_data_reloc_base::add): Convert relobj to derived class pointer.
(Output_data_reloc::add_global): Adjust type of relobj.
(Output_data_reloc::add_global_relative): Likewise.
(Output_data_reloc::add_symbolless_global_addend): Likewise.
(Output_data_reloc::add_local): Likewise.
(Output_data_reloc::add_local_relative): Likewise.
(Output_data_reloc::add_symbolless_local_addend): Likewise.
(Output_data_reloc::add_local_section): Likewise.
(Output_data_reloc::add_output_section): Likewise.
(Output_data_reloc::add_absolute): Likewise.
(Output_data_reloc::add_target_specific): Likewise.
(Output_data_got::reserve_slot): Move definition here.
(Output_data_got::reserve_local): New function.
(Output_data_got::reserve_global): New function.
* reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
section_offsets_ with accessor function.
(Sized_relobj_file::write_sections): Likewise.
(Sized_relobj_file::do_relocate_sections): Likewise.
* target.h (Sized_target::reserve_local_got_entry): New function.
(Sized_target::reserve_global_got_entry): New function.
* x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
(Target_x86_64::reserve_global_got_entry): New function.
(Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
