Ondrej Oprala 9cb146a013 Bug 17340 - Support pointers and references to functions ...

* include/abg-comparison.h (compute_diff_for_distinct_kinds): Take the
	first two arguments of type const type_or_decl_base_sptr instead.
	* include/abg-ir.h (translation_unit::get_function_types): Declare new
	method.
	(function_types): Declare new typedef.
	* src/abg-comparison.cc (compute_diff_for_types): Take the first two
	arguments of type const type_or_decl_base_sptr instead of a const
	decl_base_sptr.
	(try_to_diff): Likewise.
	(try_to_diff<class_decl>): Likewise.
	(try_to_diff_distinct_kinds): Likewise.
	(compute_diff_for_distinct_kinds): Likewise. Also remove a variant
	accepting arguments of type const type_base_sptr.
	* src/abg-dwarf-reader.cc (build_class_type_and_add_to_ir): Skip
	building a pointer if it points to the beginning of a vptr.
	(build_pointer_type_def): Declare utype_decl of type
	type_or_decl_base_sptr and adjust assignments to it accordingly.
	(build_function_type): New function definition.
	(build_function_decl): Call build_function_type instead of building
	an ftype manually.
	(build_ir_node_from_die): Amend case DW_TAG_subroutine_type with
	appropriate calls to build a function type.
	* src/abg-ir.cc (translation_unit::get_function_types): New method
	definition.
	({pointer,reference}_type_def::pointer_type_def): Expect that
	pointed_to might not have an accompanying declaration and set a type's
	name in this case as well.
	({pointer,reference}_type_def::get_qualified_name): Generate a
	qualified name even if the pointed-to type has no declaration.
	* src/abg-reader.cc (build_function_type): New function definition.
	(handle_element_node): Return a type_or_decl_base_sptr instead and
	try calling handle_function_type in addition to others.
	(handle_function_type): New function definition that calls
	build_function_type.
	(build_type): Try calling build_function_type as well.
	* src/abg-writer.cc (fn_shared_ptr_map): Declare new typedef.
	(write_context::{clear_referenced_fntypes_map,fntype_is_referenced,
	record_fntype_as_referenced}): New member functions.
	(write_translation_unit): Call the new clear_referenced_fntypes_map.
	* tests/data/Makefile.am: Add the new test material to the build
        system.
	(write_translation_unit): Separately write function types that have
	been recorded to emit by write_{pointer,reference}_type_def.
	(write_{pointer,reference}_type_def): Record the type pointed to as
	a type to be emitted if type == function type.
	(write_function_type): Write the details of a function type in the
	abixml format and unmark the type.
	* tests/data/test-diff-dwarf/test32-fnptr-changes-report-0.txt: New
	test reference report.
	* tests/data/test-diff-dwarf/test32-fnptr-changes-v{0,1}.cc: New test
	source files.
	* tests/data/test-diff-dwarf/test32-fnptr-changes-v{0,1}.o: New binary
	test inputs.
	* tests/data/test-diff-dwarf/test33-fnref-changes-report-0.txt: New
	test reference report.
	* tests/data/test-diff-dwarf/test33-fnref-changes-v{0,1}.cc: New test
	source files.
	* tests/data/test-diff-dwarf/test33-fnref-changes-v{0,1}.o: New binary
	test inputs.
	* tests/data/test-diff-filter/test30-pr18904-rvalueref-report0.txt:
	Adjust.
	* tests/data/test-diff-filter/test31-pr18535-libstdc++-report-0.txt:
	Likewise.
	* tests/data/test-read-dwarf/test10-pr18818-gcc.so.abi: Likewise.
	* tests/data/test-read-dwarf/test11-pr18828.so.abi: Likewise.
	* tests/data/test-read-dwarf/test12-pr18844.so.abi: Likewise.
	* tests/data/test-read-dwarf/test13-pr18894.so.abi: Likewise.
	* tests/data/test-read-dwarf/test14-pr18893.so.abi: Likewise.
	* tests/data/test-read-dwarf/test15-pr18892.so.abi: Likewise.
	* tests/data/test-read-dwarf/test16-pr18904.so.abi: Likewise.
	* tests/data/test-read-dwarf/test9-pr18818-clang.so.abi: Likewise.
	* tests/data/test-read-write/test27.xml: New test source file.
	* tests/test-diff-dwarf.cc: Adjust to launch the new tests.
	* tests/test-read-write.cc: Likewise.

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>

2015-09-30 21:20:42 +02:00

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