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2013-06-16 Caroline Tice <cmtice@google.com>
* class.c (finish_struct_1): Add call to vtv_save_class_info if vtable
verification is turned on.
* config-lang.in: Add vtable-class-hierarchy.c to the list of files
that use GCC's garbage collector.
* g++spec.c (VTABLE_LOAD_MODULE_UNIT): New macro for link option needed
with vtable verification.
(lang_specific_driver): Added variable to indicate if vtable
verification option is used, and which flavor. Process -fvtable-verify
option, update num_args if option is present, and add appropriate
driver options if fvtable-verify is present.
* vtable-class-hierarchy.c: New file, containing the bulk of vtable
verification's front-end work.
* mangle.c (get_mangled_vtable_map_var_name): New function.
* decl2.c (start_objects): Update function comment.
(cp_write_global_declarations): If vtable verification is turned on,
call vtv_recover_class_info and
vtv_compute_class_hierarchy_transitive_closure before calling
finalize_compilation_unit. Call vtv_generate_init_routine after.
(vtv_start_verification_constructor_init_function): New externally
visible wrapper function to call start_objects for vtable verification.
(vtv_finish_verification_constructor_init_function): New function.
* init.c (build_vtbl_address): Make function not static (externally
visible).
* Make-lang.in: (CXX_AND_OBJCXX_OBJS): Add vtable-class-hierarchy.o to
list of object files.
(vtable-class-hierarchy.o): Add rule for building object file.
* pt.c (mark_class_instantiated): Add call to vtv_save_class_info if
vtable verification is turned on.
* cp-tree.h: Add extern function declarations for
vtv_start_verification_constructor_init_function,
vtv_finish_verification_constructor_init_function, build_vtbl_address,
vtv_compute_class_hierarchy_transitive_closure,
vtv_generate_init_routine, vtv_save_class_info,
vtv_recover_class_info and get_mangled_vtable_map_var_name.
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