Fix crash if referenced CU is aged out.
* dwarf2loc.c (per_cu_dwarf_call): New variable back_to, use to for
xfree of block.data.
(indirect_pieced_value): New variable back_to, use to for xfree of
baton.data.
(dwarf2_compile_expr_to_ax): New variable back_to, use to for xfree of
block.data.
* dwarf2read.c (dwarf2_find_base_address): New prototype.
(load_cu): New function from ...
(dw2_do_instantiate_symtab): ... the code here ...
(process_full_comp_unit): ... and here.
(dwarf2_fetch_die_location_block): Call load_cu first. Call xmemdup on
retval.data.
gdb/testsuite/
Fix crash if referenced CU is aged out.
* gdb.dwarf2/dw2-op-call.exp (maintenance set dwarf2 max-cache-age 0):
New.
* gdb.dwarf2/implptr.exp: Likewise.
* dwarf2loc.c (indirect_pieced_value): Use check_typedef for VALUE's
type.
gdb/testsuite/
* gdb.dwarf2/implptr.S: Rebuilt.
* gdb.dwarf2/implptr.c (intp, intpp, intppp): New typedefs.
(bar): Use them for j, k, l.
* gdb.dwarf2/implptr.exp: New variable opts. Support runtest parameter
COMPILE.
(print j in implptr:bar): Update for the intp typedef.
(print p[0].x in implptr:foo): Use more exact regex.
* infrun.c (struct execution_control_state): New member
stop_func_filled_in.
(clear_stop_func, fill_in_stop_func): New functions.
(handle_inferior_event): Call clear_stop_func rather than
manipulating the execution control state directly.
Call fill_in_stop_func lazily as required rather than
directly calling find_pc_partial_function in all cases.
* varobj.h (varobj_languages): Add vlang_ada definition to the list
of supported languages.
* varobj.c: Add top definitions and basic implementation of the
following callbacks: ada_number_of_children, ada_name_of_variable,
ada_name_of_child, ada_path_expr_of_child, ada_value_of_root,
ada_value_of_child, ada_type_of_child, ada_value_of_variable.
(languages): Register Ada-specific callbacks.
(variable_language): Add the Ada case in the language setter switch.
Move -EL next to -EB, for better --help output.
* target-select.cc: Include <cstdio>, "options.h", and
"parameters.h".
(Target_selector::do_target_bfd_name): New function.
(print_output_format): New function.
* target-select.h (class Target_selector): Update declarations.
(Target_selector::target_bfd_name): New function.
(print_output_format): Declare.
* main.cc: Include "target-select.h".
(main): Handle --print-output-format.
* gold.cc: Include "target-select.h".
(queue_initial_tasks): Handle --print-output-format when there are
no input files.
* parameters.cc (parameters_force_valid_target): Give a better
error message if -EB/-EL does not match target.
* freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
function.
(Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
(Output_data_plt_i386::do_write): Write address of .dynamic
section to first entry in .got.plt section.
* x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
Initialize layout_.
(Output_data_plt_x86_64::do_write): Write address of .dynamic
section to first entry in .got.plt section.
* layout.h (Layout::dynamic_section): New function.
* plugin-api.h
(ld_plugin_section): New struct.
(ld_plugin_get_section_count): New typedef.
(ld_plugin_get_section_type): New typedef.
(ld_plugin_get_section_name): New typedef.
(ld_plugin_get_section_contents): New typedef.
(ld_plugin_update_section_order): New typedef.
(ld_plugin_allow_section_ordering): New typedef.
(LDPT_GET_SECTION_COUNT): New enum value.
(LDPT_GET_SECTION_TYPE): New enum value.
(LDPT_GET_SECTION_NAME): New enum value.
(LDPT_GET_SECTION_CONTENTS): New enum value.
(LDPT_UPDATE_SECTION_ORDER): New enum value.
(LDPT_ALLOW_SECTION_ORDERING): New enum value.
(tv_get_section_count): New struct members.
(tv_get_section_type): New struct members.
(tv_get_section_name): New struct members.
(tv_get_section_contents): New struct members.
(tv_update_section_order): New struct members.
(tv_allow_section_ordering): New struct members.
* archive.cc (Archive::get_elf_object_for_member): Add extra parameter
to claim_file call.
* layout.cc (Layout::Layout): Initialize section_ordering_specified_,
input_section_position_, and input_section_glob_.
(read_layout_from_file): Call function section_ordering_specified.
* layout.h (is_section_ordering_specified): New function.
(section_ordering_specified): New function.
(section_ordering_specified_): New boolean member.
* main.cc(main): Call load_plugins after layout object is defined.
* output.cc (Output_section::add_input_section): Use
function section_ordering_specified to check if section ordering is
needed.
* output.cc (Output_section::add_relaxed_input_section): Use
function section_ordering_specified to check if section ordering is
needed.
(Output_section::update_section_layout): New function.
(Output_section::sort_attached_input_sections): Check if input section
must be reordered.
* output.h (Output_section::update_section_layout): New function.
* plugin.cc (get_section_count): New function.
(get_section_type): New function.
(get_section_name): New function.
(get_section_contents): New function.
(update_section_order): New function.
(allow_section_ordering): New function.
(Plugin::load): Add the new interfaces to the transfer vector.
(Plugin_manager::load_plugins): New parameter.
(Plugin_manager::all_symbols_read): New parameter.
(Plugin_manager::claim_file): New parameter. Save the elf object for
unclaimed objects.
(Plugin_manager::get_elf_object): New function.
(Plugin_manager::get_view): Change to directly use the bool to check
if get_view is called from claim_file_hook.
* plugin.h (input_objects): New function
(Plugin__manager::load_plugins): New parameter.
(Plugin_manager::claim_file): New parameter.
(Plugin_manager::get_elf_object): New function.
(Plugin_manager::in_claim_file_handler): New function.
(Plugin_manager::in_claim_file_handler_): New member.
(layout): New function.
* readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
handler with an extra parameter. Make the elf object before calling
claim_file handler.
* testsuite/plugin_test.c (get_section_count): New function pointer.
(get_section_type): New function pointer.
(get_section_name): New function pointer.
(get_section_contents): New function pointer.
(update_section_order): New function pointer.
(allow_section_ordering): New function pointer.
(onload): Check if the new interfaces exist.
