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5b09ea77e2
86 Commits
Author | SHA1 | Message | Date | |
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Dodji Seketeli
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5b09ea77e2 |
Handle the life time of the map of canonical types
While working on something else, it turned out that we need to cleanup (de-allocate) the map of canonical types when all the translation units that own types are de-allocated. Otherwise, when new translation units are created later, the types in the canonical types map become unrelated to the types in these new translation units, leading to memory management issues. This patch introduces a "usage watchdog" which detects when no translation unit uses the type system anymore. That usage watchdog is then used in the destructor of the translation_unit type to de-allocate the global data that is logically owned by by the type system. The patch also changes the API to read translation units and corpora in a way that forces users to get a handle on the resulting shared pointer. * include/abg-ir.h (type_base::canonical_types_map_type): Move this typedef into abg-ir.cc and out of the type_base namespace. (type_base::get_canonical_types_map): Likewise. * src/abg-ir.cc (canonical_types_map_type): New typedef that got moved here from type_base::canonical_types_map_type. (get_canonical_types_map): Likewise got moved here from type_base::get_canonical_types_map. Made static in the process. (class usage_watchdog): New type. (usage_watchdog_sptr, usage_watchdog_wptr): New typedefs. (get_usage_watchdog, get_usage_watchdog_wptr, ref_usage_watchdog) (maybe_cleanup_type_system_data): New static functions. (translation_unit::priv::usage_watchdog_): Add new data member. (translation_unit::priv::priv): Get a reference on the usage watchdog. (translation_unit::priv::~priv): If the usage watchdog says that the type system is not used, then cleanup the global data logically owned by the type system. * include/abg-dwarf-reader.h (read_corpus_from_elf): Make this return a corpus and set the status by reference using a parameter. * src/abg-dwarf-reader.cc (read_corpus_from_elf): Implement the above. * include/abg-reader.h (read_translation_unit_from_file) (read_translation_unit_from_buffer) (read_translation_unit_from_istream): Remove the overloads that do not return a translation_unit_sptr and that pass it as a parameter. Only keep the overloads that return a translation_unit_sptr, forcing users of the API to own a proper reference on the resulting translation_unit pointer. That is important to handle the life time of the global data of the type system that need to be cleared when the last translation unit is de-allocated. * src/abg-reader.cc (read_translation_unit_from_input): Make this return a translation_unit_sptr. (read_translation_unit_from_file) (read_translation_unit_from_buffer) (read_translation_unit_from_istream): Remove the overloads that do not return a translation_unit_sptr and that pass it as a parameter. Only keep the overloads that return a translation_unit_sptr. (read_to_translation_unit): Make this return a translation_unit_sptr. * tests/print-diff-tree.cc (main): Adjust. * tests/test-diff-dwarf.cc (main): Likewise. * tests/test-ir-walker.cc (main): Likewise. * tests/test-read-dwarf.cc (main): Likewise. * tests/test-read-write.cc (main): Likewise. * tools/abicompat.cc (main): Likewise. * tools/abidiff.cc (main): Likewise. * tools/abidw.cc (main): Likewise. * tools/abilint.cc (main): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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f87d179a01 |
Add --d{1,2} shortcut options for --debug-info-dir{1,2} in abidiff
It turned out typing --debug-info-dir{1,2} is a tad cumbersome. So this patch adds --d1 and --d2 shortcut for these options. * tools/abidiff.cc (display_usage): Add the --d{1,2} to the help strings. (parse_command_line): Parse the new --d1 and --d2 options. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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a2601a596a |
Factorize incompatible and subtype changes detection
In abg-comparison.h, there is no function to test if a given corpus_diff carries incompatible or subtype (after having applied suppression specifications) ABI changes. So this patch factorizes the code of abidiff.cc to provide these features to corpus_diff. * include/abg-comparison.h (corpus_diff::{has_incompatible_changes, has_net_subtype_changes}): Declare new member functions. * src/abg-comparison.cc (corpus_diff::{has_incompatible_changes, has_net_subtype_changes}): Define them. * abidiff.cc (main): Use the new member functions above. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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bfeec954c6 |
Add a --suppr short alias to the --suppressions option of abidiff
* tools/abidiff.cc (display_usage): Add a help string for the new --suppr option. (parse_command_line): Support the --suppr option which is an alias for --suppressions. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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6c1e7da30d |
Bug 18580 - abidw ignores --out-file
So I forgot to finish the implementation of the --out-file option. This patchlet addresses that. * tools/abidw.cc (main): Take the argument of --out-file into account when emitting the serialized form of the ABI. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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96eb3a5698 |
Build libabigail tools as position-independent code
It turned out the hardened Rawhide build is failing if I don't this. * tools/Makefile.am: Compile the binaries here with -fPIC. Note that the library libabigail.la is built with libtool which already takes care of this, so no need to worry about this for libabigail.la. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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41d0ad035f |
Fix symbols comparison
While working on something else, I noticed that the code for handling copying symbols (and their aliases) was broken, and so comparing two symbols which main name were different by which had aliases that were equal was wrongly resulting in the two symbol being different. I think we shouldn't actually copy symbols and their aliases. Once a symbol is allocated, interested code should just manipulate that symbol by address rather than by value an thus do away with the copying. The patch does that, essentially. In the implementation of a symbol, the aliases as well as the main symbol are now weak pointers, rather than naked pointers. Numerous API entry points that were taking containers of elf_symbol (and were copying elf_symbols over) are not taking containers of smart pointers to elf_symbol. Copying of instances of elf_symbol is now thus disabled. As a result many tests that were exercising elf_symbols (with alias) comparison have been updated. As a result, many empty sub-result of PR libabigail/PR17948 are now fixed. * include/abg-ir.h (elf_symbol_wptr): New typedef. (elf_symbol): Make the constructors and assignment operator private. The type can neither be copied nor created with the new operator. (elf_symbol::create): New static member function. (elf_symbol::{get_main_symbol, get_next_alias, add_alias}): Adjust. ( compute_aliases_for_elf_symbol): Likewise. (elf_symbol::operator=): Make this private. (elf_symbol::get_alias_which_equals): Declare new member function. * src/abg-comp-filter.cc (function_name_changed_but_not_symbol): Adjust. * src/abg-comparison.cc (class_diff::ensure_lookup_tables_populated): Adjust. * src/abg-corpus.cc (corpus::priv::build_unreferenced_symbols_tables): Likewise. * include/abg-dwarf-reader.h (lookup_symbol_from_elf) (lookup_public_function_symbol_from_elf): Adjust. * src/abg-dwarf-reader.cc (lookup_symbol_from_sysv_hash_tab) (lookup_symbol_from_gnu_hash_tab, lookup_symbol_from_elf_hash_tab) (lookup_symbol_from_symtab, lookup_symbol_from_elf) (lookup_public_function_symbol_from_elf) (lookup_public_variable_symbol_from_elf): Adjust. (read_context::lookup_elf_symbol_from_index): Likewise. (read_context::lookup_elf_fn_symbol_from_address): Likewise. (read_context::lookup_elf_var_symbol_from_address): Likewise. (read_context::lookup_public_function_symbol_from_elf): Likewise. (read_context::lookup_public_variable_symbol_from_elf): Likewise. (read_context::load_symbol_maps): Likewise. (build_var_decl, build_function_decl): Likewise. * src/abg-ir.cc (elf_symbol::priv::{main_symbol_, next_alias_}): Change the type of these from elf_symbol* to elf_symbol_wptr. (elf_symbol::priv::priv): Adjust. (elf_symbol::{create, get_alias_which_equals}): Define new functions. (textually_equals): Likewise. (elf_symbol::{get_main_symbol, is_main_symbol, get_next_alias, add_alias}): Adjust to return or take elf_symbol_sptr type, rather than a elf_symbol* one. (elf_symbol::{get_aliases_id_string, does_alias}): Adjust. (compute_alias_for_elf_symbol): Likewise. (elf_symbol::operator==): Two symbols A and B are now equal if A has at least one alias that is textually equal to B. (equals): In the overload for function_decls, in the part where we compare the decl_base part of the functions without considering their decl names, we now also omit considering their linkage names, because we compared they symbols before. * tools/abisym.cc (main): Adjust. * tests/data/test-diff-dwarf/test12-report.txt: Adjust. * tests/data/test-diff-dwarf/test12-report.txt: Adjust. * tests/data/test-diff-dwarf/test18-alias-sym-report-0.txt: Adjust. * tests/data/test-diff-dwarf/test8-report.txt: Adjust. * tests/data/test-diff-filter/test10-report.txt: Adjust. * tests/data/test-diff-filter/test13-report.txt: Adjust. * tests/data/test-diff-filter/test2-report.txt: Adjust. * tests/data/test-diff-filter/test20-inline-report-0.txt: Adjust. * tests/data/test-diff-filter/test20-inline-report-1.txt: Adjust. * tests/data/test-diff-filter/test9-report.txt: Adjust. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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fc55e7f343 |
Make abidiff and abicompat return meaningful exit codes
As per https://sourceware.org/bugzilla/show_bug.cgi?id=18146, abidiff the exit code of abidiff and abicompat is now a bit field that can be inspected to know if the ABI change reported is incompatible for sure, or if it needs user review of the output to decide. This patch also updates the documentation. * doc/manuals/abicompat.rst: Update documentation for abicompat exit codes. * doc/manuals/abidiff.rst: Likewise for abidiff exit codes. * include/abg-tools-utils.h (enum abidiff_status): Declare new enum. (operator{|,&,|=}): Declare new operators for the new enum abidiff_status. (abidiff_status_has_error, abidiff_status_has_abi_change) (abidiff_status_has_incompatible_abi_change): Declare new functions. * src/abg-tools-utils.cc (operator{|,&,|=}): Define these new operators. (abidiff_status_has_error, abidiff_status_has_abi_change) (abidiff_status_has_incompatible_abi_change): Define new functions. * tests/test-diff-filter.cc (main): Adjust for the new exit code of abidiff. * tests/test-diff-suppr.cc (main): Likewise. * tests/test-abicompat.cc (main): Likewise. * tools/abicompat.cc (enum abicompat_status): Remove. (operator{|,&,|=}): Remove these operators for enum abicompat_status. (perform_compat_check_in_normal_mode) (perform_compat_check_in_weak_mode): Return abidiff_status instead of abicompat_status. Adjust therefore. (main): Adjust to return abidiff_status now, instead of a just zero for all non-error cases. * tools/abidiff.cc (main): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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a102a2f032 |
Add support for abicompat weak mode
This patch implements the weak mode of abicompat. In this mode, just the application and the new version of the library are provided. The types of functions and variables of the library that are consumed by the application are compared to the types of the functions and variables expected by the application. The goal is to check if the types of the declarations consumed by the application and provided by the library are compatible with what the application expects. The abicompat first gets the set of symbols undefined in the application and exported by the library. It then builds the set of declarations exported by the library that have those symbols. We call these the set of declarations of the library that are consumed by the application. Note that the debug information for the application does not contain the declarations of the functions/variables whose symbols are undefined. So we can not just read them to compare them to declarations exported by the library. But the *types* of the variables and the *sub-types* of the functions whose symbols are undefined in the application are present in the debug information of the application. So in the weak mode, abicompat compare the *types* of the declarations consumed by the application as expected by the application (described by the debug information of the application) with the types of the declarations exported by the library. To do this a number of changes were necessary. The patch builds a representation of all the types found in the application's debug info. Before that, only the types that are reachable from exported declarations were represented. The abidw tool got a new --load-all-types to test this new ability of loading all types. The patch also adds support for looking a type, not by name, but by its internal representation. In the comparison engine, function_type_diff is introduced to represent changes between two function types. For this, a new class type_or_decl_base has been introduced in the IR. It's now the base class for both decl_base and type_base. And abigail::comparison::diff now takes two pointers of type_or_decl, not decl_base anymore. So function_type_diff can take two function_type now; not that a function_type has no declaration so it doesn't inherit decl_base. A bunch of changes got made just to adjust to this modification. A number of fixes were made too, to make this work, like adding missing comparison operators, removing asserts that too strong, etc.. The patch also adjust the test suite as well as the documentation. * include/abg-fwd.h (class type_or_decl_base): Forward declare this. (is_decl, is_type, is_function_type, get_name, get_type_name) (get_function_type_name, get_pretty_representation) (lookup_function_type_in_corpus, lookup_type_in_translation_unit) (lookup_function_type_in_translation_unit) (synthesize_function_type_from_translation_unit) (hash_type_or_decl): New function declarations. * src/abg-corpus.cc (lookup_type_in_corpus) (lookup_function_type_in_corpus): Define new functions. * include/abg-ir.h (translation_unit::lookup_function_type_in_translation_unit): Declare new friend function. (class type_or_decl_base): Declare this. (operator==(const type_or_decl_base&, const type_or_decl_base&)): Declare new operator. (operator==(const type_or_decl_base_sptr&, const type_or_decl_base_sptr&)): Likewise. (class {decl_base, type_base}): Make these class inherit type_or_decl_base. (decl_base::get_member_scopes): New const overload. (bool operator==(const function_decl::parameter_sptr&, const function_decl::parameter_sptr&)): New operator. (function_type::get_parameters): Remove the non-const overload. (function_type::get_pretty_representation): Declare new member function. (method_type::get_pretty_representation): Likewise. * src/abg-ir.cc (bool operator==(const type_or_decl_base&, const type_or_decl_base&)): Define new equality operator. (bool operator==(const type_or_decl_base_sptr&, const type_or_decl_base_sptr&)): Likewise. (strip_typedef): Do not expect canonicalized types anymore. Now the system accepts (and expects) canonicalized types in certain cases. For instance, non-complete types and aggregated types that contain non-complete sub-types. (get_name, get_function_type_name, get_type_name) (get_pretty_representation, is_decl, is_type, is_function_type) (lookup_function_type_in_translation_unit) (synthesize_function_type_from_translation_unit) (lookup_type_in_scope, lookup_type_in_translation_unit): Define new functions or new overloads. (bool operator==(const function_decl::parameter_sptr&, const function_decl::parameter_sptr& r)): Define new operator. (function_type::get_parameters): Remove non-const overload. (function_type::get_pretty_representation): Define new function. (function_type::traverse): Adjust. (method_type::get_pretty_representation): Likewise. (function_decl::get_pretty_representation): Avoid emitting the type of cdtors. (hash_type_or_decl): Define new function. * include/abg-dwarf-reader.h (create_read_context) (read_corpus_from_elf): Take a new 'read_all_types' flag. * src/abg-dwarf-reader.cc (read_context::load_all_types_): New flag. (read_context::read_context): Initialize it. (read_context::canonical_types_scheduled): If some types still have non-canonicalized sub-types, then do not canonicalize them. (read_context::load_all_types): New member functions. (build_function_decl): Do not represent void return type like empty type anymore, rather, represent it like a void type node. (build_ir_node_from_die): When asked, load all types including those that are not reachable from an exported declaration. (create_read_context, read_corpus_from_elf): Take a new 'load_all_types' flag and honour it. * src/abg-reader.cc (read_context::type_is_from_translation_unit): Support looking up function types in the current translation unit, now that we now how to lookup function types. * include/abg-comparison.h (diff_context::{has_diff_for, add_diff, set_canonical_diff_for, set_or_get_canonical_diff_for, get_canonical_diff_for}): Make these take instances of type_or_decl_base_sptr, instead of decl_base_sptr. (diff::diff): Likewise. (diff::{first_subject, second_subject}): Make these return type_or_decl_base_sptr instead of decl_base_sptr. (type_diff_base::type_diff_base): Make these take instances of type_or_decl_base_sptr instead of decl_base_sptr. (distinct_diff::distinct_diff): Likewise. (distinct_diff::{first, second}): Make these return type_or_decl_base_sptr instead of decl_base_sptr. (distinct_diff::entities_are_of_distinct_kinds): Make these take instances of type_or_decl_base_sptr instead of decl_base_sptr. (class function_type_diff): Create this new type. It's a factorization of the function_decl_diff type. * src/abg-comparison.cc (): * src/abg-comp-filter.cc ({harmless, harmful}_filter::visit): Adjust as diff::{first,second}_subject() now returns a type_or_decl_base_sptr, no more a decl_base_sptr. (decls_type, decls_diff_map_type): Remove these typedefs and replace it with ... (types_or_decls_type, types_or_decls_diff_map_type): ... these. (struct {decls_hash, decls_equals): Remove these type sand replace them with ... (struct {types_or_decls_hash, types_or_decls_equals}): ... these. ({type_suppression, variable_suppression}::suppresses_diff): Adjust. (diff_context::priv::decls_diff_map): Replace this with ... (diff_context::priv::types_or_decls_diff_map): ... this. (diff_context::{has_diff_for, add_diff, get_canonical_diff_for, set_canonical_diff_for, set_or_get_canonical_diff_for}): Take type_or_decl_base_sptr instead of decl_base_sptr. (diff::priv::{first, second}_subject): Make the type of these be type_or_decl_base_sptr, no more decl_base_sptr. (diff::priv::priv): Adjust for the subjects of the diff being of type type_or_decl_sptr now, no more decl_base_sptr. (diff_less_than_functor::operator()(const diff_sptr, const diff_sptr) const): Adjust. (diff::diff): djust for the subjects of the diff being of type type_or_decl_sptr now, no more decl_base_sptr. (diff::{first,second}_subject): Make the type of these be type_or_decl_base_sptr, no more decl_base_sptr. (report_size_and_alignment_changes): Likewise. (type_diff_base::type_diff_base): Make the type of this be type_or_decl_base_sptr instead of type_base_sptr. (distinct_diff::distinct_diff): Make this take instances of type_or_decl_base_sptr instead of decl_base_sptr. (distinct_diff::{first, second, entities_are_of_distinct_kinds}): Likewise. (distinct_diff::has_changes): Simplify logic. (distinct_diff::report): Adjust. (compute_diff_for_types): Add an additional case to support the new function_type. (report_size_and_alignment_changes): Make this take instances of type_or_decl_base_sptr instead of decl_base_sptr. (class_diff::priv::member_type_has_changed): Return an instance of type_or_decl_base_sptr rather than a decl_base_sptr. (class_diff::report): Adjust. (diff_comp::operator()(const diff&, diff&) const): Adjust. (enum function_decl_diff::priv::Flags): Remove. (function_decl_diff::priv::{first_fn_flags_, second_fn_flags_, fn_flags_changes_}): Remove. (function_decl_diff::priv::{fn_is_declared_inline_to_flag, fn_binding_to_flag}): Remove. (function_decl_diff::{deleted_parameter_at, inserted_parameter_at}): Remove. (function_decl_diff::ensure_lookup_tables_populated): Empty this. (function_decl_diff::chain_into_hierarchy): Adjust. (function_decl_diff::function_decl_diff): This now only takes the subjects. It's body is now empty. (function_decl_diff::{return_type_diff, subtype_changed_parms, removed_parms, added_parms, type_diff}): Remove these member functions. (function_decl_diff::type_diff): Define new member function. (function_decl_diff::report): Simplify logic by using the reporting of the child type diff node. (compute_diff): Likewise, in the overload for function_decl_sptr simplify logic by using the child type diff object. (function_type_diff::priv): Define new type. (function_type_diff::{function_type_diff, ensure_lookup_tables_populated, deleted_parameter_at, inserted_parameter_at, finish_diff_type, first_function_type, second_function_type, return_type_diff, subtype_changed_parms, removed_parms, added_parms, get_pretty_representation, has_changes, has_local_changes, report, chain_into_hierarchy}): Define new functions. (compute_diff): Define new overload for function_type_sptr. * tools/abicompat.cc (options::weak_mode): New data member. (options::options): Initialize it. (enum abicompat_status): New enum (abicompat_status operator|(abicompat_status, abicompat_status)) (abicompat_status& operator|=(abicompat_status &, abicompat_status)) (abicompat_status operator&(abicompat_status, abicompat_status)): New operators to manipulate the abicompat_status enum. (display_usage): Add help string for the new --weak-mode option. (parse_command_line): Add the new --weak-mode command line argument. If the tool is called with just the application and one library then assume that we are in the weak mode. (perform_compat_check_in_normal_mode): Define new function, factorized from what was in the main function. (perform_compat_check_in_weak_mode): Define new function. (struct {fn,var}_change): Define new types. (main): Use perform_compat_check_in_weak_mode() and perform_compat_check_in_normal_mode(). * tools/abidiff.cc (main): Adjust. * tools/abidw.cc: (options::load_all_types): Add new data member. (options::options): Initialize it. (display_usage): New help string for --load-all-types. (parse_command_line): Support the new --load-all-types option. (main): Adjust and honour the --load-all-types option. * tools/abilint.cc (main): Adjust. * doc/manuals/abicompat.rst: Update documentation for the new weak mode. Also provide stuff that was missing from the examples provided. * doc/manuals/abidw.rst: Update documentation for the new --load-all-types option. * tests/print-diff-tree.cc (main): Adjust. * tests/test-diff-dwarf.cc (main): Likewise. * tests/test-read-dwarf.cc (main): Likewise. * tests/data/test-abicompat/test0-fn-changed-app: Recompile this. * tests/data/test-abicompat/libtest5-fn-changed-libapp-v{0,1}.so: New new test input binaries * tests/data/test-abicompat/test5-fn-changed-app: Likewise. * tests/data/test-abicompat/test6-var-changed-app: Likewise. * tests/data/test-abicompat/libtest6-var-changed-libapp-v{0,1}.so: Likewise. * tests/data/test-abicompat/test5-fn-changed-report-0.txt: Reference output for one test above. * tests/data/test-abicompat/test6-var-changed-report-0.txt: Likewise. * tests/data/test-abicompat/test5-fn-changed-app.cc: Source file for a binary above. * tests/data/test-abicompat/test5-fn-changed-libapp-v{0,1}.{h,cc}: Likewise. * tests/data/test-abicompat/test6-var-changed-libapp-v{0,1}.{cc,h}: Likewise. * tests/data/test-abicompat/test6-var-changed-app.cc: Likewise. * tests/data/Makefile.am: Add the test related files above to the source distribution. * tests/test-abicompat.cc (in_out_spec): Add the new test input above to the list of inputs to feed to this test harness. (main): Support taking just the app and one library. * tests/data/test-read-dwarf/test{0, 1, 2.so, 3.so, 5.o, 8-qualified-this-pointer.so,}.abi: Adjust for void type being really emitted now, as opposed to just being an empty type. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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705a6ae186 |
Add --no-architecture option to abidw
For portability of the regression tests of libabigail, we need abidw to avoid emitting information about the architecture of the ELF file it's looking at. This patch thus adds a new --no-architecture option to abidw for that purpose. * tools/abidw.cc (options::write_architecture): New flag. (options::options): Initialize it. (display_usage): Add usage string for the new --no-architecture option. (parse_command): Parse the new --no-architecture command line option. (main): Ignore the architecture name if required by the user. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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dc2f054d03 |
Build the set of exported decls directly during DWARF loading
Until now, after the ABI corpus was built from DWARF, the translation units of the corpus were walked and each function was considered for addition into the set of exported decls. During that walking, a first version of the set was put into a std::list and then, a set of filters (user-provided tunables like a list of regular expressions to keep or remove some functions from the exported decls) is applied to that list and the final set of exported decls is put in a std::vector. Profiling has shown that this process of building the set of exported decls is a hot spot and also that the current use of std::list was a big memory consumer especially on binaries with large exported symbol tables. So this patch builds the set of exported decls "on the fly", during DWARF reading, as opposed to waiting after the DWARF is read and having to walk the corpus again. The corpus defines a policy object that encapsulates the methods for determining if a function or variable ought to be part of the set of exported decls. The DWARF reader uses that policy object to determine which functions and variables among those built during the reading ought be part of the exported decls; the policy object also has a reference to the final vector (managed by the corpus) that must hold the exported decls, so the decls are put in that vector directly without unnecessary copying. Profiling also showed that the string copying done by {var_decl,function_decl}::get_id() was a hot spot. So the patch returns a reference there. With this patch applied, the peak memory consumption of abidiff on libabigail.so itself (abidiff libabigail.so libabigail.so) is 54MB of resident and takes 2 minutes and 16s (on my slow system). Without the patch the peak consumption was more than 300MB and it was taking slightly longer. For the test of bug https://sourceware.org/bugzilla/show_bug.cgi?id=17948, memory consumtion and wall clock time spent is down from 3.4GB and 1m59s to 760MB and 0m43s. * include/abg-ir.h ({var,function}_decl::get_id): Return a reference. * src/abg-ir.cc ({var,function}_decl::get_id): Return a reference to the string rather than copying it over. * include/abg-corpus.h (class corpus::exported_decls_builder): Declare new type. (corpus::{sort_functions, sort_variables, maybe_drop_some_exported_decls, get_exported_decls_builder}): Declare new methods. * src/abg-corpus.h (corpus::exported_decls_builder::priv): Define new type. (class symtab_build_visitor_type): Remove this type that is useless now. (corpus::exported_decls_builder::{exported_decls_builder, exported_functions, exported_variables, maybe_add_fn_to_exported_fns, maybe_add_var_to_exported_vars}): Define new functions. (corpus::priv::is_public_decl_table_built): Remove this data member. It's now useless. (corpus::priv::priv): Adjust. (corpus::priv::build_public_decl_table): Remove this member function. It's now useless. (corpus::{priv::build_unreferenced_symbols_tables, get_functions, get_variables}): No need to build the public decls table here. It's already built by the time the corpus is read from DWARF now. (corpus::{sort_functions, sort_variables, maybe_drop_some_exported_decls, get_exported_decls_builder}): Define new member functions. * src/abg-dwarf-reader.cc (read_context::exported_decls_builder): New data member. (read_context::read_context): Initialize it. (read_context::{exported_decls_builder, maybe_add_fn_to_exported_fns, maybe_add_var_to_exported_vars}): Define new member functions. (read_debug_info_into_corpus): Get the the new 'exported_decls_builder' object from the corpus and stick it into the read context so the DWARF reading code can use it to build the exported decls set. When the DWARF reading is done, sort the set of exported functions and variables that was built. (build_ir_node_from_die): When a function or variable is built, consider putting it into the set of exported decls. * tools/abicompat.cc (main): Now that the exported decls is built *before* we had a chance to stick the list of symbol IDs to keep, call corpus::maybe_drop_some_exported_decls() to update the set of exported decls we should consider for the corpus. was applied to that list and the final Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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3b3dbf6643 |
Rename diff::length() into diff::has_changes()
Since it turned out that the length of the changes carried by a diff node has never been used in the algorithms of the comparison engine, the diff::length() feels wrong. What we want is rather a name like diff::has_changes() so this is what this patch does. * include/abg-comparison.h (*::has_changes): Rename the ::length() method of all the diff types that inherit the diff class into this, in the class declarations. * src/abg-comparison.cc (*::has_changes): Do the same as in the declarations, in the definitions. (diff::to_be_reported, distinct_diff::has_local_changes) (distinct_diff::report, distinct_diff::, array_diff::has_changes) (reference_diff::has_changes, qualified_type_diff::has_changes) (enum_diff::has_changes, translation_unit_diff::has_changes) (suppression_categorization_visitor::visit_end) (redundancy_marking_visitor::visit_begin): Adjust. * tests/test-diff-dwarf.cc (main): Adjust. * tools/abidiff.cc (main): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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527d7ab218 |
Do not install the abinilint program
This program is meant to be used by libabigail developers to debug its ini file parsing facilities. So there is no need to install. * tools/Makefile.am: Add abinilint to the noinst_PROGRAMS primary. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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b25f1bd7e7 |
Adjust archive-related code for the recent addition of tools_utils::*
What was in the abigail::tools namespace got recently moved in the abigail::tools_unit namespace. I forgot to adjust the client code related to the archive support because that code is now compiled by default on my main hacking box. This patch fixes that. * tests/Makefile.am: tools/libtoolsutils.la is no more. * tests/test-write-read-archive.cc (main): Adjust. * tools/abiar.cc (extract_tus_from_archive): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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322b0e7769 |
Expose a new libabigail::tools_utils namespace
The utilities present in this namespace were previously living in tools/abg-tools-utils.h and tools/abg-tools-utils.cc. They were not exported and were meant to be useful to the tools writting in the tools/ directory. I realized that these utilities might be useful to clients of the libabigail library in general so I am making them available generally. Note that the initial name of the namespace was libabigail::tools; so renaming it to libabigail::tools_utils required that I adjust some client code. I have also cleaned up the code, interfaces and their apidoc a little bit. * include/abg-tools-utils.h: Moved tools/abg-tools-utils.h in here. Renamed the namespace tools into tools_utils. Inject std::ostream, std::istream, std::ifstream, and std::string types into the tools_utils namespace. Adjust the function declarations accordingly. Remove the useless dirname() function declaration. * include/Makefile.am: Add abg-tools-utils.h to the list of exported headers. * src/abg-tools-utils.cc: Moved tools/abg-tools-utils.cc in here. Renamed the namespace tools into tools_utils. (get_stat): Add apidoc. (is_dir): Cleanup apidoc. (dir_name); Cleanup parameter name. (guess_file_type): Cleanup parameter type. * src/Makefile.am: Add abg-tools-utils.cc to the list of exported headers. * tools/Makefile.am: Do not build the temporary library libtoolsutils.la anymore as abg-tools-utils.{h,cc} have moved out of this directory. * tools/abicompat.cc (parse_command_line, main): Adjust for tools -> tools_utils namespace change. * tools/abidiff.cc (parse_command_line, main): Likewise. * tools/abidw.cc (parse_command_line, main): Likewise. * tools/abilint.cc (parse_command_line, main): Likewise. * tests/test-abicompat.cc (main): Adjust for tools -> tools_utils namespace change. * tests/test-abidiff.cc (main): Likewise. * tests/test-alt-dwarf-file.cc (main): Likewise. * tests/test-core-diff.cc (main): Likewise. * tests/test-diff-dwarf.cc (main): Likewise. * tests/test-diff-filter.cc (main): Likewise. * tests/test-diff-suppr.cc (main): Likewise. * tests/test-lookup-syms.cc (main): Likewise. * tests/test-read-dwarf.cc (main): Likewise. * tests/test-read-write.cc (main): Likewise. * tests/Makefile.am: Do not reference the libtoolsutils.la private library anymore. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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76837d1cbf |
Update copyright years
* include/abg-comp-filter.h: Update copyright years. * include/abg-comparison.h: Likewise. * include/abg-config.h: Likewise. * include/abg-corpus.h: Likewise. * include/abg-diff-utils.h: Likewise. * include/abg-dwarf-reader.h: Likewise. * include/abg-fwd.h: Likewise. * include/abg-hash.h: Likewise. * include/abg-ini.h: Likewise. * include/abg-ir.h: Likewise. * include/abg-libxml-utils.h: Likewise. * include/abg-libzip-utils.h: Likewise. * include/abg-reader.h: Likewise. * include/abg-sptr-utils.h: Likewise. * include/abg-traverse.h: Likewise. * include/abg-viz-common.h: Likewise. * include/abg-viz-dot.h: Likewise. * include/abg-viz-svg.h: Likewise. * include/abg-writer.h: Likewise. * src/abg-comp-filter.cc: Likewise. * src/abg-comparison.cc: Likewise. * src/abg-config.cc: Likewise. * src/abg-corpus.cc: Likewise. * src/abg-diff-utils.cc: Likewise. * src/abg-dwarf-reader.cc: Likewise. * src/abg-hash.cc: Likewise. * src/abg-ini.cc: Likewise. * src/abg-ir.cc: Likewise. * src/abg-libxml-utils.cc: Likewise. * src/abg-libzip-utils.cc: Likewise. * src/abg-reader.cc: Likewise. * src/abg-traverse.cc: Likewise. * src/abg-viz-common.cc: Likewise. * src/abg-viz-dot.cc: Likewise. * src/abg-viz-svg.cc: Likewise. * src/abg-writer.cc: Likewise. * tests/print-diff-tree.cc: Likewise. * tests/test-abidiff.cc: Likewise. * tests/test-alt-dwarf-file.cc: Likewise. * tests/test-core-diff.cc: Likewise. * tests/test-diff-dwarf.cc: Likewise. * tests/test-diff-filter.cc: Likewise. * tests/test-diff-suppr.cc: Likewise. * tests/test-diff2.cc: Likewise. * tests/test-ir-walker.cc: Likewise. * tests/test-lookup-syms.cc: Likewise. * tests/test-read-dwarf.cc: Likewise. * tests/test-read-write.cc: Likewise. * tests/test-utils.cc: Likewise. * tests/test-utils.h: Likewise. * tests/test-write-read-archive.cc: Likewise. * tools/abg-tools-utils.cc: Likewise. * tools/abg-tools-utils.h: Likewise. * tools/abiar.cc: Likewise. * tools/abidiff.cc: Likewise. * tools/abidw.cc: Likewise. * tools/abilint.cc: Likewise. * tools/abisym.cc: Likewise. * tools/binilint.cc: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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0e1d9f9892 |
Add a --dump-diff-tree to abidiff for debugging purposes
I have felt the need to emit a textual representation of the diff nodes tree maintained by the comparison engine for changed functions and variables. This patch adds that functionality. * include/abg-comparison.h (enum visiting_kind): Add new DO_NOT_MARK_VISITED_NODES_AS_TRAVERSED enumerator. (diff_context::{default_output_stream, error_output_stream, dump_diff_tree}): Declare new accessors. (diff::end_traversing): Take a new boolean flag. (print_diff_tree): Add new overload for diff_sptr. * src/abg-comparison.cc (diff_context::priv::{default_output_stream_, error_output_stream_, dump_diff_tree_}): New data members. (priv::priv): Initialize them. (diff_context::{default_output_stream_, error_output_stream_, dump_diff_tree, dump_diff_tree}): Define new accessors. (diff::end_traversing): Take a new flag that control whether or not to mark the current diff node as having been traversed. (diff::traverse): Take in account the visiting kind carried by the visitor to determine if the visited node should be marked as being traversed. (corpus_diff::priv::maybe_dump_diff_tree): Define new member function. (corpus_diff::report): Call it. (diff_node_printer::visit): Pretty print the diff node just once. (print_diff_tree): Define a new overload for diff_sptr. * tools/abidiff.cc (options::dump_diff_tree): New data member. (options::options): Initialize it. (display_usage): Add a help string for the new --dump-diff-tree command line switch. (parse_command_line): Parse the new --dump-diff-tree command line switch. (set_diff_context_from_opts): Set the diff context according to the --dump-diff-tree presence. * doc/manuals/abidiff.rst: Add a bullet point for the new --dump-diff-tree command line switch. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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c887ad69ba |
Make abidiff *NOT* show redundant changes by default
Now that we are handling redundant diff node marking (and reporting) with more finesse, I guess we can enable redundant diff reporting elision by default again. * tools/abidiff.cc (options::options): Initialize options::show_redundant_changes to false. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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8f994b5e29 |
Temporarily disable redundant diff report elimination
So, this is all about problem report https://sourceware.org/bugzilla/show_bug.cgi?id=17693. When redundant diff node reporting is enabled and when a diff node appears twice in a diff tree, we detect that and the second occurrence of the diff node is flagged as being redundant. Later at diff tree node reporting time, the redundant diff node is not reported. The problem is that diff nodes are canonicalized. That is, when the same change is present twice in a diff, the same diff node is going to be present twice. So flagging the second occurrence as being redundant amounts as flagging the first occurrence as being redundant too! So at reporting time, the diff tree visitor that walks the diff tree nodes will avoid reporting the two occurrences of diff tree nodes altogether. This is what happens in the example of the bug above. I am reproducing the example here for convenience: So suppose we have a first version of a library named lib-v0.so which is made of this C code: int add(int a, int b) { } Then suppose that code was changed in a subsequent version of the library named lib-v1.so, leading to the following code: int add(float a, float b) { } So, the diff tree node for the 'add' function is going to have several child diff tree nodes, among which, one that carries the change for the first parameter (int a becoming float a) and the one carrying the change for the second parameter (int b becoming float b). The diff tree node for the second parameter is going to be same diff tree node as the one for the first parameter because what counts is the change in the *type* of the parameter. Thus, the diff tree node for the second parameter is going to be marked as being redundant; and so is the first parameter. So abidiff lib-v0.so lib-v1.so yields: Functions changes summary: 0 Removed, 0 Changed (1 filtered out), 0 Added function Variables changes summary: 0 Removed, 0 Changed, 0 Added variable You can see that even the function 'add' is not mentioned in the report. This is because it has also been considered as being redundant because of a phenomenon named 'propagation'. The redundant-ness of the children nodes of the diff tree node of the 'add' function is propagated to the diff tree node of the add function itself because that add function diff tree node has no child but redundant diff children nodes. This categorization behaviour is correct. What is not correct is that only the second child node of the add function diff tree node should have been marked redundant. I am going to tackle this issue a bit later. For now, I am temporarily disabling redundancy categorization for diff tree nodes by default. Hence this patch. With this patch, abidiff lib-v0.so lib-v1.so yields: Functions changes summary: 0 Removed, 1 Changed, 0 Added function Variables changes summary: 0 Removed, 0 Changed, 0 Added variable 1 function with some indirect sub-type change: [C]'function int add(int, int)' has some indirect sub-type changes: parameter 0 of type 'int' changed: name changed from 'int' to 'float' parameter 1 of type 'int' changed: name changed from 'int' to 'float' Note how the change on the second parameter appears equal to the change on the first. * src/abg-comparison.cc (diff_context::priv::priv): Show redundant changes by default. (categorize_redundancy): Do not categorize redundancy if the diff_context says that we shouldn't. * tools/abicompat.cc (options::show_redundant): New data member. (options::options): Initialize to true. (display_usage): Add new help string for new --no-redundant and --redundant options. (parse_command_line): Parse new --no-redundant and --redundant command line options. (main): Initialize the diff context with respect to the options::show_redundant property. * tools/abidiff.cc (options::options): Initialize the show_redundant_changes data member to true. (display_usage): Show new help string for the new --no-redundant command line option. (parse_command_line): Parse the new --no-redundant command line option. * tests/data/test-diff-filter/libtest23-redundant-fn-parm-change-v0.so: New test data input. * tests/data/test-diff-filter/libtest23-redundant-fn-parm-change-v1.so: Likewise. * tests/data/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt: Likewise. * tests/data/test-diff-filter/test23-redundant-fn-parm-change-v0.c: Source code for the first binary above. * tests/data/test-diff-filter/test23-redundant-fn-parm-change-v1.c: Source code for the second binary above. * tests/data/Makefile.am: Add the new test data input to source distribution. * tests/test-abicompat.cc (in_out_specs): Add --no-redundant to abicompat when we don't want it to show redundant diff reports. * test-diff-filter.cc (in_out_specs): Likewise for abidiff. * test-diff-suppr.cc (in_out_specs): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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775cfcde0c |
Wire the soname check into abicompat
Now that the comparison engine knows how to take SONAMEs into account during ABI abi comparison, it's feasible to make abicompat leverage that capability. This patch does just that. * include/abg-comparison.h (corpus_diff::soname_changed): Declare new member function. * src/abg-comparison.cc (corpus_diff::soname_changed): Define new member function. (corpus_diff::length): Use the new corpus_diff::soname_changed() method. * tests/data/test-abicompat/libtest4-soname-changed-v0.so: New test input data. * tests/data/test-abicompat/libtest4-soname-changed-v1.so: Likewise. * tests/data/test-abicompat/test4-soname-changed-app: Likewise. * tests/data/test-abicompat/test4-soname-changed-report-0.txt: Likewise. * tests/data/test-abicompat/test4-soname-changed-app.cc: Source code for one of the binaries above. * tests/data/test-abicompat/test4-soname-changed-v0.cc: Likewise. * tests/data/test-abicompat/test4-soname-changed-v1.cc: Likewise. * tests/test-abicompat.cc (in_out_specs): Add the new test input data to the list of input data to run this harness over. (main): Take the soname change in account to determine if the change is ABI incompatible. * tests/data/Makefile.am: Add the new test input data above to source distribution. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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ef7e71febf |
Initial implementation of the abicompat tool
Given an application A that links to a shared library L of version V denoted L(V) and a subsequent version of that library denoted L(V+P), the 'abicompat' tool tells the user if L(V+P) is still ABI compatible with L(V+P). And if it is not, abicompat gives a reports that shows the differences between L(V) and L(V+P) that makes L(V+P) ABI-incompatible with A. The source code of this tool is in the tools/abicompat.cc source file. To support this new tool, this commit changes the comparison engine to optionally avoid showing added symbols that were not referenced by any debug info. It changes the ABI corpus type to allow the specification of a list of variables and functions symbols to keep (and drop all other functions and variables which have other symbols on the floor even before starting to compare the two libraries). This is how the abicompat tool itself works. It basically compares L(V) and L(V+P) but it only looks at their exported functions and variables which symbols are undefined in application A. If the list of exported and defined variables and functions of L(V) whose symbols are undefined in A equals that of L(V+P) (including the sub-types of these variables and functions) A is still compatible with L(V+P). Otherwise, they might not be compatible depending on the kind of differences that are found. * include/abg-comparison.h (diff_context::show_added_symbols_unreferenced_by_debug_info): Declare new accessors. (corpus_diff::{deleted_variables, deleted_unrefed_function_symbols, deleted_unrefed_variable_symbols, apply_filters_and_suppressions_before_reporting}): Declare new methods. (corpus_diff::diff_stats): Declare this new type. Actually this was previously corpus_diff::priv::diff_stats, which was a hidden internal type.. We are moving it here, in the external API so that client code can have more information about changes statistics. Change all the previously publicly accessible data members into accessor functions. * src/abg-comparison.cc (class corpus_diff::diff_stats::priv): New type. (diff_context::priv::show_added_syms_unreferenced_by_di_): New data member. (diff_context::priv::priv): Adjust. (diff_context::show_added_symbols_unreferenced_by_debug_info): Define this new method. (corpus_diff::priv::emit_diff_stats): Do not show the diff stat if the only changes is added function or variables symbols and if we were instructed to not show added symbols. (corpus_diff::priv::{diff_stats_, filters_and_suppr_applied_}): New data members. (corpus_diff::priv::priv): Initialize the filters_and_suppr_applied_ data member. (corpus_diff::priv::diff_stats): Move this type to corpus_diff::diff_stats. (corpus_diff::priv::{apply_filters_and_compute_diff_stats, emit_diff_stats}): Adjust. (corpus_diff::apply_filters_and_suppressions_before_reporting): Define new member function. (corpus_diff::report): Use the new apply_filters_and_suppressions_before_reporting() function, rather than applying the filters and suppressions by ourselves. Also adjust to the use the accessors of the new corpus_diff::diff_stats type. (corpus_diff::{deleted_variables, deleted_unrefed_function_symbols, deleted_unrefed_variable_symbols}): Define new accessors. (corpus_diff::diff_stats::{diff_stats, num_func_removed, num_func_added, num_func_changed, num_func_filtered_out, net_num_func_changed, num_vars_removed, num_vars_added, num_vars_changed, num_vars_filtered_out, net_num_vars_changed, num_func_sym_removed, num_func_syms_added, num_var_syms_removed, num_var_syms_added}): Define new member functions. * include/abg-corpus.h (corpus::{get_sym_ids_of_fns_to_keep, get_sym_ids_of_vars_to_keep}): Declare new methods. * src/abg-corpus.cc (corpus::priv::{sym_id_fns_to_keep, sym_id_vars_to_keep}): Added data members. (symtab_build_visitor_type::{unrefed_fun_symbols, unrefed_var_symbols, sym_id_fns_to_keep, sym_id_vars_to_keep}): Added new data members. (symtab_build_visitor_type::symtab_build_visitor_type): Take two additional parameters for the function and variable symbol ids to keep. (symtab_build_visitor_type::add_fn_to_wip_fns): Take the function symbols to keep in account when building the exported symbol table. (symtab_build_visitor_type::add_var_to_wip_vars): Likewise, take the variable symbols to keep in account when building the exported symbol table. (corpus::priv::build_public_decl_table): Adjust the initialization of the visitor that walks the ABI artifacts to build the exported symbol table to know take a list of function/variable symbols to keep. (corpus::priv::build_unreferenced_symbols_tables): Ensure that the public table of functions/variables is built before doing the work of this function. Also, if a list of variable/function symbols to keep is given, drop all symbols that are not in that list on the floor. (corpus::{get_sym_ids_of_fns_to_keep, get_sym_ids_of_vars_to_keep}): Define new accessors. * tools/abicompat.cc: New abicompat tool. * doc/manuals/abicompat.rst: New documentation source for abicompat. * doc/manuals/libabigail-tools.rst: Add an entry for the abicompat doc. * tests/test-abicompat.cc: New test harness for the 'abicompat' tool. * tests/Makefile.am: Build the runtestabicompat test harness and add it to the list of tests harnesses that are run by make check. * tests/data/test-abicompat/libtest0-fn-changed-libapp-v0.so: New test input. * tests/data/test-abicompat/libtest0-fn-changed-libapp-v1.so: Likewise. * tests/data/test-abicompat/test0-fn-changed-app: Likewise. * tests/data/test-abicompat/test0-fn-changed-0.suppr: Likewise * tests/data/test-abicompat/test0-fn-changed-report-0.txt: Likewise. * tests/data/test-abicompat/test0-fn-changed-report-1.txt: Likewise. * tests/data/test-abicompat/test0-fn-changed-app.cc: Likewise. * tests/data/test-abicompat/test0-fn-changed-libapp.h: Likewise. * tests/data/test-abicompat/test0-fn-changed-libapp-v0.cc: Likewise. * tests/data/test-abicompat/test0-fn-changed-libapp-v1.cc: Likewise. * tests/data/test-abicompat/libtest1-fn-removed-v0.so: Likewise. * tests/data/test-abicompat/libtest1-fn-removed-v1.so: Likewise. * tests/data/test-abicompat/test1-fn-removed-app: Likewise. * tests/data/test-abicompat/test1-fn-removed-app.cc: Likewise. * tests/data/test-abicompat/test1-fn-removed-report-0.txt: Likewise. * tests/data/test-abicompat/test1-fn-removed-v0.cc: Likewise. * tests/data/test-abicompat/test1-fn-removed-v1.cc: Likewise. * tests/data/test-abicompat/libtest2-var-removed-v0.so: Likewise. * tests/data/test-abicompat/libtest2-var-removed-v1.so: Likewise. * tests/data/test-abicompat/test2-var-removed-app: Likewise. * tests/data/test-abicompat/test2-var-removed-app.cc: Likewise. * tests/data/test-abicompat/test2-var-removed-report-0.txt: Likewise. * tests/data/test-abicompat/test2-var-removed-v0.cc: Likewise. * tests/data/test-abicompat/test2-var-removed-v1.cc: Likewise. * tests/data/test-abicompat/libtest3-fn-removed-v0.so: Likewise. * tests/data/test-abicompat/libtest3-fn-removed-v1.so: Likewise. * tests/data/test-abicompat/test3-fn-removed-app: Likewise. * tests/data/test-abicompat/test3-fn-removed-app.cc: Likewise. * tests/data/test-abicompat/test3-fn-removed-report-0.txt: Likewise. * tests/data/test-abicompat/test3-fn-removed-v0.cc: Likewise. * tests/data/test-abicompat/test3-fn-removed-v1.cc: Likewise. * tests/data/test-abicompat/test3-fn-removed-version-script-0 Likewise.: * tests/data/test-abicompat/test3-fn-removed-version-script-1: Likewise. * tests/data/Makefile.am: Add the new test inputs above to the source distribution. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
f091ff1ac2 |
Fix status checking in abidw
Now that the status is a bit field, one needs to check the OK bit in the status for successful operation state. Oops. * tools/abidw.cc (main): Fix successful status checking. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
f44110b326 |
Support comparing symbols not referenced by debug info
* doc/manuals/abidiff.rst: Adjust intro to mention that w/o debug info, abidiff now works but just report about added/removed symbols. Add documentation about the new --no-unreferenced-symbols option. * include/abg-comparison.h (string_elf_symbol_map): New typedef. (diff_context::show_symbols_unreferenced_by_debug_info): Declare new accessors. * src/abg-comparison.cc (diff_context::priv::show_syms_unreferenced_by_di_): New data member. (diff_context::priv::priv): Adjust. (diff_context::show_symbols_unreferenced_by_debug_info): Implement these accessors. (corpus_diff::priv::{unrefed_fn_syms_edit_script_, unrefed_var_syms_edit_script_, added_unrefed_fn_syms_, deleted_unrefed_fn_syms_, added_unrefed_var_syms_, deleted_unrefed_var_syms_}): New data members. (corpus_diff::priv::diff_stats::{num_func_syms_removed, num_func_syms_added, num_var_syms_removed, num_var_syms_added}): New data members. (corpus_diff::priv::diff_stats::diff_stats): Adjust. (corpus_diff::ensure_lookup_tables_populated): Populate lookup tables for added/removed symbols that are not referenced by any debug info. (corpus_diff::priv::apply_filters_and_compute_diff_stats): Compute stats for the added/removed symbols not referenced by any debug info. (corpus_diff::priv::emit_diff_stats): Emit stats about added/removed symbols that are not referenced by any debug info. (corpus_diff::length): Adjust to take in account added/removed symbols not referenced by any debug info. (show_linkage_name_and_aliases): New static function. (corpus_diff::report): When emitting a symbol name, emit its version too, and tell if it aliases other symbols. Avoid emitted extra new lines. Report added/removed symbols not referenced by any debug info. (compute_diff): In the overload for corpus_sptr, compute the diffs for symbols not referenced by debug info. * include/abg-corpus.h (corpus::get_unreferenced_{function,variable}_symbols): Declare new member functions. * src/abg-corpus.cc (corpus_priv::{unrefed_fun_symbols, unrefed_var_symbols}): New data members. (corpus_priv::build_unreferenced_symbols_tables): Define new member function. (struct comp_elf_symbols_functor): New functor. (corpus::is_empty): Adjust to take in account added/removed symbols not referenced by debug info. (corpus::{get_unreferenced_function_symbols, corpus::get_unreferenced_variable_symbols}): Define these accessors. * include/abg-dwarf-reader.h (enum status): Transform this into bitfields. Add a STATUS_UNKNOWN value that has the value 0. (operator|(status, status), operator&(status, status)) (operator|=(status&, status), operator&=(status, status)): New bit-wise operators to manipulate instances of the status bit-field. * src/abg-dwarf-reader.cc (get_version_for_symbol): Fix this to avoid returning garbage version sometimes. (read_debug_info_into_corpus): Fix this to return a non-null but empty corpus_sptr when there is no debug info available. (operator|(status, status), operator&(status, status)) (operator|=(status&, status), operator&=(status, status)): Define these new bitwise operators to manipulate instances of the status bit-field. (read_corpus_from_elf): Now that the abigail::dwarf_reader::status is a bit-field, set it to reflect if debug info and/or symbol tables have been found. Do not bail out if debug info hasn't been found. Rather, keep going, and go look for symbols-only; this is a kind of operating in degraded mode. * include/abg-ir.h (elf_symbol::get_aliases_id_string): Add a flag that says if the current instance of elf_symbol should be included in the list of aliases or not. * src/abg-ir.cc (elf_symbol::get_aliases_id_string): Define it. * tests/data/test-diff-dwarf/test16-syms-only-v{0,1}.o: New test input. * tools/abidiff.cc (options::show_symbols_not_referenced_by_debug_info): New data member. (options:options): Adjust. (display_usage): Add an info string for the new --no-unreferenced-symbols command line option. (parse_command_line): Parse the new --no-unreferenced-symbols command line. (set_diff_context_from_opts): Set the diff_context according to the presence of --no-unreferenced-symbols. (main): Adjust for the fact that abigail::dwarf_reader::status is now a bit-field. * tools/abilint.cc (main): Adjust for the fact that abigail::dwarf_reader::status is now a bit-field.. (): * tests/data/test-diff-dwarf/test16-syms-only-report.txt: New test reference output. * tests/data/test-diff-dwarf/test16-syms-only-v{0,1}.cc: Source code for new test input. * tests/data/test-diff-dwarf/test17-non-refed-syms-v{0,1}.o: New test input. * tests/data/test-diff-dwarf/test17-non-refed-syms-v{0,1}.cc: New source code for test input. * tests/data/test-diff-dwarf/libtest18-alias-sym-v{0,1}.so: New test input. * tests/data/test-diff-dwarf/test18-alias-sym-report-0.txt: Reference output for new test input. * tests/data/test-diff-dwarf/test18-alias-sym-v{0,1}.cc: Source code for new test input. * tests/data/test-diff-dwarf/test18-alias-sym-version-script: Source code for new test input. * tests/Makefile.am: Add the new test materials to the source distribution. * tests/test-diff-dwarf.cc(in_out_specs): Add the new input tests above to the array of tests to run by this harness. (main): Emit empty reports for empty resulting diffs. * tests/data/test-diff-dwarf/test{0,8,9,12,14-inline-report,}-report.txt: Adjust. * tests/data/test-diff-filter/test{0,01,2,4,5,7,8,9,10,12,13,15-0,15-1}-report.txt: Likewise. * tests/data/test-diff-filter/test{19-enum,20-inline,}-report-0.txt: Likewise. * tests/data/test-diff-suppr/test0-type-suppr-report-{1,2}.txt: Likewise. * tests/data/test-diff-suppr/test{1,2}-typedef-suppr-report-1.txt: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
feea5df3fe |
Initial support for type suppressions
* include/abg-comparison.h (diff_category::SUPPRESSED_CATEGORY): New enumerator. (diff_category::{SIZE_OR_OFFSET_CHANGE_CATEGORY, VIRTUAL_MEMBER_CHANGE_CATEGORY): Update the enumerator values for these. (diff::EVERYTHING_CATEGORY): Adjust. (suppression_base, type_suppression): Declare new types. (suppression_ptr, suppressions_type, type_suppression_sptr) (type_suppressions_type): New typedefs. (read_type_suppressions, read_suppressions): Declare new functions. (diff_context::{suppressions, add_suppression, add_suppressions}): Declare new methods. (diff::is_suppressed): Declare new member function. (apply_suppressions): Declare new function & overloads. * src/abg-comparison.cc (is_type_diff): Define new static function. ({suppression_base, type_suppression}::priv): Define new types. ({suppression_base, type_suppression}::*): Define the methods of the new suppression_base, type_suppressions types. (read_type_suppression, read_type_suppressions, read_suppressions) (read_type_suppressions): Define new static functions. (diff_context::priv::supprssions_): New data member. (diff_context::{suppressions, add_suppression, add_suppressions}): New methods. (diff::is_filtered_out): Consider that a diff node that is in the SUPPRESSED_CATEGORY is filtered out. (diff::is_suppressed): Define new member function. (operator<<(ostream& o, diff_category c)): Support the SUPPRESSED_CATEGORY category. (corpus_diff::report): Apply suppressions before reporting anything. (category_propagation_visitor::visit_end): Do not propagate SUPPRESSED_CATEGORY. This is just like what we do for REDUNDANT_CATEGORY. (struct suppression_categorization_visitor): New visitor. (apply_suppressions): Define function & overloads. * include/abg-ini.h (config::section::find_property): New method. (config::section): Fix end of class comment. * src/abg-ini.cc (config::section::find_property): Define new method. * tests/data/test-diff-suppr/test0-type-suppr-{0,1,2}.suppr: New test input files. * tests/data/test-diff-suppr/test0-type-suppr-report-{0,1,2,3}.txt: Likewise. * tests/data/test-diff-suppr/test0-type-suppr-v{0,1}.o: Likewise. * tests/data/test-diff-suppr/test0-type-suppr-v{0,1}.cc: Source code for new test input. * tests/data/test-diff-suppr/test1-typedef-suppr-v{0,1}.o: New test input files. * tests/data/test-diff-suppr/test1-typedef-suppr.h: Source code for new test input files. * tests/data/test-diff-suppr/test1-typedef-suppr-v{0,1}.c: Likewise * tests/data/test-diff-suppr/test1-typedef-suppr-{0,1}.suppr: New test input files. * tests/data/test-diff-suppr/test1-typedef-suppr-report-0.txt: Likewise. * tests/data/test-diff-suppr/test1-typedef-suppr-report-1.txt: Likewise. * tests/data/test-diff-suppr/test1-typedef-suppr-report-2.txt: Likewise. * tests/test-diff-suppr.cc: New test harness to run type suppression tests using the input files above. * tests/data/test-diff-suppr/test3-struct-suppr-0.suppr: New test input. * tests/data/test-diff-suppr/test3-struct-suppr-1.suppr: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-report-0.txt: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-report-1.txt: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-report-2.txt: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-v0.cc: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-v0.o: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-v1.cc: Likewise. * tests/data/test-diff-suppr/test3-struct-suppr-v1.o: Likewise. * tests/Makefile.am: Build the new runtestdiffsuppr test harness from the test-diff-filter.cc file. Add the new test files to the build system and source distribution. * tools/bidiff.cc (options::suppressions): New data member. (display_usage): Add a help string for the new --suppressions command line switch. (parse_command_line): Parse the --suppressions command line switch. (set_diff_context_from_opts): Read the suppressions provided by the --suppression command line switch and stuff them into the diff context. |
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Dodji Seketeli
|
26869d665c |
Make all type diff types extend new type_diff_base type
* include/abg-comparison.h (type_diff_base, decl_diff_base): New types. (type_diff_base_sptr): New typedef. (pointer_diff, reference_diff, array_diff, qualified_type_diff) (enum_diff, class_diff, type_decl_diff, typedef_diff): Make this extend the new type_diff_base. * src/abg-comparison.cc (type_diff_base::priv, type_diff_base): Define these new types and their methods. (pointer_diff::pointer_diff, array_diff::array_diff) (reference_diff::reference_diff) (qualified_type_diff::qualified_type_diff, enum_diff::enum_diff) (class_diff::class_diff, type_decl_diff::type_decl_diff) (typedef_diff::typedef_diff): Adjust. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
74b9337efc |
Implement the abigail::ini::config abstraction
* include/abg-ini.h (config::config): Add an overload that take a path and sections. (config::{get,set}_sections): New accessors. (read_sections): Rename the previous read_config() functions into these. (read_config): Add these function declarations to really act on instances of abigail::ini::config. (write_section): Rename the previous write_config functions into these. (write_config): Add these function declarations to really act on instances of abigail::ini::config. * src/abg-ini.cc (class config::priv): Implement this. (config::{config, ~config, get_path, set_path, get_sections, set_sections}): Define these new methods. (read_sections): Rename the former read_config into this. (read_config): Add this function definitions to really act on instances of abigail::ini::config. (write_sections): Rename the former write_config into this. (write_config):: Add this function definitions to really act on instances of abigail::ini::config. * tools/binilint.cc (main): Adjust. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
284c9e488f |
Initial support of ini-style file parsing
* include/abg-ini.h: New file. * include/Makefile.am: Add include/abg-ini.h to the source distribution. * src/abg-ini.cc: New file. * src/Makefile.am: Add src/abg-ini.cc to the source distribution. * tools/binilint.cc: New testing tool. * tools/Makefile.am: Add tools/binilint.cc to the source distribution. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
fccc516656 |
Put IR artifacts in the abigail::ir namespace
* include/abg-fwd.h: Wrap IR artifacts into abigail::ir namespace. Inject that new abigail::ir namespace into the abigail namespace. * include/abg-ir.h: Wrap IR artifacts into abigail::ir namespace. (function_decl::parameter::get_type_name): Adjust the call to abigail::get_type_name. It's now a call to abigail::ir::get_type_name. * src/abg-ir.cc: Wrap IR artifacts into abigail::ir namespace. * include/abg-traverse.h: Wrap the ir traversing artifact into the abigail::ir namespace too. * src/abg-traverse.cc: Adjust. * include/abg-corpus.h: Wrap corpus type stuff into abigail::ir. * include/abg-dwarf-reader.h: Inject namespace abigail::ir stuff into the abigail::dwarf_reader namespace. * include/abg-reader.h: Inject namespace abigail::ir stuff into the abigail::xml_reader namespace. * src/abg-reader.cc: Adjust. * include/abg-writer.h: Inject namespace abigail::ir stuff into the abigail::xml_writer namespace. * src/abg-writer.cc: Inject namespace abigail::ir stuff into abigail namespace here too. * src/abg-hash.cc: Inject the abigail::ir namespace into the abigail namespace. * tools/abg-tools-utils.cc: Adjust for the injection of abigail::function_decl. It's now abigail::ir::function_decl. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
2a77bead11 |
Implement generic diff tree walking and port categorization over it
* include/abg-comp-filter.h (apply_filter): Declare new overload that takes a corpus_diff_sptr ... * src/abg-comp-filter.cc (apply_filter): ... and define it. On the existing overload for diff_sptr, make sure to traverse all diff nodes, even those that have already been traversed. * include/abg-comparison.h (enum diff_category): Remove NOT_REDUNDANT_CATEGORY, add REDUNDANT_CATEGORY. (operator&=, +operator<<): Declare new operators for enum diff_category. (diff_context::{forbid_traversing_a_node_twice, traversing_a_node_twice_is_forbidden): (diff_context::categorizing_redundancy): Remove this declaration. (diff_context::maybe_apply_filters): Declare a new overload that takes a corpus_diff_sptr. And a take a new flag that says if it should visit all nodes including those that have already been visited. (diff::priv_): Make this data member protected. (diff::{begin_traversing, is_traversing, end_traversing, finish_diff_type, children_nodes, append_child_node, get_pretty_representation, chain_into_hierarchy, traverse}): Declare new member functions. (distinct_diff::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Likewise. (distinct_diff::traverse): Remove. (pointer_diff::pointer_diff): Take the underlying type diff in parameter. (pointer_diff::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. (pointer_diff::traverse): Remove. (reference_type_def::reference_type_def): Take the underlying type diff in parameter. ({array_type_def, reference_type_def}::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. ({array_type_diff, reference_type_def}::traverse): Remove. (qualified_type_diff::qualified_type_diff): Take the underlying type diff in parameter. ({enum_diff, qualified_type_diff, class_diff}::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. ({enum_diff, qualified_type_diff, class_diff}::traverse): Remove. (is_class_diff): Declare new function. (base_diff::base_diff): Take the underlying type diff in parameter. ({scope_diff, base_diff}::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. ({scope_diff, base_diff}::traverse): Remove. (function_decl_diff::function_decl_diff): Take the return type diff as parameter. ({function_decl_diff, type_decl_diff}::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. ({function_decl_diff, type_decl_diff}::traverse): Remove. (typedef_diff::typedef_diff): Take the underlying type diff as parameter. (typedef::{finish_diff_type, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. ({typedef, translation_unit_diff}::traverse): Remove member function. (corpus_diff::{finish_diff_type, children_nodes, append_child_node, changed_variables, get_pretty_representation, chain_into_hierarchy}): Declare new member functions. (class diff_node_visitor::{visit_begin, visit_end}): Declare new member functions. (propagate_categories, print_diff_tree, categorizing_redundancy) (clear_redundancy_categorization, apply_filters): New functions and function overloads. * src/abg-comparison.cc (TRY_PRE_VISIT, TRY_PRE_VISIT_CLASS_DIFF) (TRY_POST_VISIT, TRY_POST_VISIT_CLASS_DIFF) (CATEGORIZE_REDUNDANCY_FROM_CHILD_NODE) (UPDATE_REDUNDANCY_CATEGORIZATION_FROM_NODE_SUBTREE) (TRAVERSE_DIFF_NODE_AND_PROPAGATE_CATEGORY) (TRAVERSE_MEM_DIFF_NODE_AND_PROPAGATE_CATEGORY) (TRAVERSE_MEM_FN_DIFF_NODE_AND_PROPAGATE_CATEGORY) (ENSURE_DIFF_NODE_TRAVERSED_ONCE) (ENSURE_MEM_DIFF_NODE_TRAVERSED_ONCE): Remove these macros. Hurrah. (diff_context::priv::categorizing_redundancy_): Remove. (diff_context::priv::forbid_traversing_a_node_twice_): Add new data member. (diff_context::priv::priv): Adjust. (diff_context::{forbid_traversing_a_node_twice, traversing_a_node_twice_is_forbidden}): Define new member functions. (diff_context::maybe_apply_filters): Once filters are applied (and categories are set to the relevant diff tree nodes, run a pass over the diff tree to propagate the categories to the relevant diff tree parent nodes. Add an overload for corpus_diff_sptr. (diff_context::categorizing_redundancy): Remove member function. (diff_context::maybe_apply_filters): Define a new overload for corpus_diff_sptr (struct diff::priv::{finished_, traversing_, children_, pretty_representation_}): New data members. (diff::priv::priv): Adjust. (diff::{begin_traversing, is_traversing, end_traversing, finish_diff_type, children_nodes, append_child_node, traverse, set_category, get_pretty_representation, chain_into_hierarchy}): Define new member functions. (diff::is_filtered_out): Do not refer to NOT_REDUNDANT_CATEGORY anymore. Rather, use the new REDUNDANT_CATEGORY. ({distinct_diff, var_diff, pointer_diff, array_diff, reference_diff, qualified_type_diff, enum_diff, class_diff, base_diff, scope_diff, function_decl_diff, type_decl_diff, typedef_diff}::{get_pretty_representation, chain_into_hierarchy, finish_diff_type}): Define new member functions. ({distinct_diff, var_diff, pointer_diff, array_diff, reference_diff, qualified_type_diff, enum_diff, class_diff, base_diff, scope_diff, function_decl_diff, type_decl_diff, typedef_diff, translation_unit_diff}::traverse): Remove member functions. (operator&=, operator<<): Define new operators for diff_category. ({function_decl_diff, typedef_diff}::priv::priv): Add a new constructor. (pointer_diff::{priv::priv, pointer_diff}) (reference_diff::{priv::priv, reference_diff}) (qualified_type_diff::{priv::priv, qualified_type_diff}) (enum_diff::{priv::priv, enum_diff}, base_diff::{priv::priv, base_diff}, function_decl_diff::function_decl_diff): Take the underlying type diff in parameter. (compute_diff): Adjust the pointer_diff, reference_diff, qualified_type_diff, base_diff, function_decl_diff overloads. (class_diff::priv::{count_filtered_bases, count_filtered_subtype_changed_dm, count_filtered_changed_dm, count_filtered_changed_mem_fns, count_filtered_inserted_mem_fns, count_filtered_deleted_mem_fns}): Adjust for the call to diff_context::maybe_apply_filters. (corpus_diff::priv::{finished_, pretty_representation_}): New data member. (corpus_diff::priv::priv): New constructor. (corpus_diff::priv::clear_redundancy_categorization): Define new member function. (corpus_diff::priv::apply_filters_and_compute_diff_stats): Adjust for call to diff_context::maybe_apply_filters. Also, call clear_redundancy_categorization at the end. (corpus_diff::priv::categorize_redundant_changed_sub_nodes): Revisit logic. (corpus_diff::{chain_into_hierarchy, finish_diff_type, children_nodes, append_child_node, changed_variables, get_pretty_representation}): Define new member functions. (corpus_diff::report): Categorize redundancy for every top level function/variable diff. (corpus_diff::traverse): Adjust to the new traversing interface. (diff_node_visitor::{visit_begin, visit_end}): Define new member functions. (struct category_propagation_visitor, struct diff_node_printer) (struct redundancy_marking_visitor, struct redundancy_clearing_visitor): New diff tree node visitors. (propagate_categories, print_diff_tree, categorize_redundancy) (clear_redundancy_categorization, apply_filters): Define new functions. * tests/Makefile.am: Add the new tests/print-diff-tree.cc to the source distribution. Build it into a tests/printdifftree binary. * tools/abidiff.cc (print_diff_tree): Add debugging functions to call from within the debugger. By default, this function and its overloads are not compiled. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
e807eb86e6 |
Do not install the abisym program
* tools/Makefile.am: Do not install abisym. It's really there just for testing purposes and is of almost no use for generic users. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
d041c1f5dd |
Rename bi* tools to abi* tools
* tests/data/test-bidiff: Rename this directory to tests/data/test-abidiff. * tests/test-bidiff.cc: Renamed this to tests/test-abidiff.cc. * tools/biar.cc: Renamed to tools/abiar.cc * tools/bidiff.cc: Renamed to tools/abidiff.cc * tools/bidw.cc: Renamed to tools/abidw.cc * tools/bilint.cc: Renamed to tools/abilint.cc * tools/bisym.cc: Renamed to tools/abisym.cc * tests/test-alt-dwarf-file.cc: Renamed references to bidw* to abidw*. * tests/test-diff-filter.cc: Renamed references to bidiff to abidiff. * tests/test-lookup-syms.cc: Renamed references to bisym to abisym. * tools/Makefile.am: Adjust. * tests/Makefile.am: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
edd8a04291 |
Light style cleanup in tools/bidiff.cc
* tools/bidiff.cc (display_usage): Remove useless space before '&'. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
fde3436568 |
Better support for inline related diffs
* include/abg-comparison.h (diff_category::HARMLESS_SYMBOL_ALIAS_CHANGE_CATEORY): New enumerator. (diff_category::EVERYTHING_CATEGORY): Adjust. * include/abg-ir.h (elf_symbol::get_aliases_id_string) (elf_symbol::does_alias, elf_symbols_alias) (compute_aliases_for_elf_symbol): Declare new functions ... * src/abg-ir.cc (elf_symbol::get_aliases_id_string) (elf_symbol::does_alias, elf_symbols_alias) (compute_aliases_for_elf_symbol): ... and define them. (function_decl::operator==): Take in account elf symbol aliases. * src/abg-comp-filter.cc (function_name_changed_but_not_symbol): Define new static functions. (harmless_filter::visit): Categorize function name changes that n doesn't impact underlying elf symbols (or the fact that two symbols were aliases and are not anymore) as harmless. * src/abg-comparison.cc (function_decl_diff::report): Properly report function name changes, or symbol aliases changes for that matter. Also report inline-ness declaration changes. * src/abg-dwarf-reader.cc (die_is_declared_inline): New static function. (build_function_decl): Use the above. * tools/bidiff.cc (set_diff_context_from_opts): Add abigail::comparison::HARMLESS_SYMBOL_ALIAS_CHANGE_CATEORY into the harmless change camp. * tests/data/test-diff-dwarf/test14-inline-report.txt: New test input. * tests/data/test-diff-dwarf/test14-inline-v0.o: Likewise. * tests/data/test-diff-dwarf/test14-inline-v1.o: Likewise. * tests/data/test-diff-dwarf/test14-inline-v0.cc: Source code for test input. * tests/data/test-diff-dwarf/test14-inline-v1.cc: Source code for test input. * tests/test-diff-dwarf.cc: Run this test harness over the new input above. * tests/data/test-diff-filter/test20-inline-report-0.txt: Likewise. * tests/data/test-diff-filter/test20-inline-report-1.txt: Likewise. * tests/data/test-diff-filter/test20-inline-v0.o: New test input. * tests/data/test-diff-filter/test20-inline-v1.o: New test input. * tests/data/test-diff-filter/test20-inline-v0.cc: Source code for test input. * tests/data/test-diff-filter/test20-inline-v1.cc: Likewise. * tests/test-diff-filter.cc: Run this test harness over the new input above. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
|
ba487a2cd9 |
Better support for enum diffs
* include/abg-comparison.h (changed_enumerator_type): New typedef. (diff_category::{HARMLESS_ENUM_CHANGE_CATEGORY}): New enumerator. * src/abg-comp-filter.cc (has_type_size_change) (has_enumerator_insertion, has_enumerator_removal_or_change) (has_harmful_enum_change): New functions. (harmless_filter::visit): Categorize enumerator insertions that don't change the size of the type into HARMLESS_ENUM_CHANGE_CATEGORY. (harmful_filter::visit): Categorize enumerator removal or any enum change that changes the size of the type into SIZE_OR_OFFSET_CHANGE_CATEGORY. * src/abg-comparison.cc (enumerator_value_comp) (changed_enumerator_comp): New types. (sort_enumerators, sort_changed_enumerators): New static functions. (enum_diff::report): Sort enum related reports by the value of the enumerators. * src/abg-dwarf-reader.cc (build_enum_type): Name anonymous enums as __anonymous_enum__. * tools/bidiff.cc (set_diff_context_from_opts): Add abigail::comparison::HARMLESS_ENUM_CHANGE_CATEGORY into the harmless stuff camp. * tests/data/test-diff-dwarf/test15-enum-report.txt: New test input. * tests/data/test-diff-dwarf/test15-enum-v1.o: Likewise. * tests/data/test-diff-dwarf/test15-enum-v0.o: Likewise. * tests/data/test-diff-dwarf/test15-enum-v0.cc: Source code for test input. * tests/data/test-diff-dwarf/test15-enum-v1.cc: Likewise. * tests/data/test-diff-filter/test19-enum-report-0.txt: New test input. * tests/data/test-diff-filter/test19-enum-report-1.txt: Likewise. * tests/data/test-diff-filter/test19-enum-v0.o: Likewise. * tests/data/test-diff-filter/test19-enum-v1.o: Likewise. * tests/data/test-diff-filter/test19-enum-v0.cc: Source code for test input. * tests/data/test-diff-filter/test19-enum-v1.cc: Likewise. * tests/test-diff-dwarf.cc: Run this test harness on the new test inputs above. * tests/test-diff-filter.cc: Likewise. * tests/Makefile.am: Add the new files above to the source distribution. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Jan Engelhardt
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650c77bb7e |
Add .gitignore files.
* .gitignore: Add new file. * m4/.gitignore: Likewise. * tools/.gitignore: Likewise. Signed-off-by: Jan Engelhardt <jengelh@inai.de> |
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Jan Engelhardt
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4e32504064 |
Place -L/-l flags into *_LIBADD/*_LDADD
* src/Makefile.am: -L and -l ought to be in LIBADD/LDADD because that is the only place guaranteed to be in the right spot. So add Them to libabigail_la_LIBADD. * tools/Makefile.am: Likewise. Signed-off-by: Jan Engelhardt <jengelh@inai.de> |
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Jan Engelhardt
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aa7fc67119 |
Set automake options globally
* configure.ac(AM_INIT_AUTOMAKE): Set the subdir-object option here .. * src/Makefile.am: ... not here. * tests/Makefile.am: Likewise. * tools/Makefile.am: Likewise. Signed-off-by: Jan Engelhardt <jengelh@inai.de> |
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Ondrej Oprala
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bdac9d6631 |
Unite help output for tools
* tools/biar.cc (std::ostream): Add a using directive. (display_usage): Make it take a string reference and an ostream as parameters. Use the ostream argument as an output stream instead of a hard-coded cout. Prettify output. (main): Call display_usage with new parameters. * tools/bidiff.cc (display_usage): Declare it static. Prettify output. * tools/bidw.cc (display_usage): Prettify output. * tools/bilint.cc (display_usage): Declare it static. Prettify output. * tools/bisym.cc (std::cerr): Add a using directive. (prog_name): Rename progname into this. (display_usage): Rename show_help into this. Add an ostream as a parameter. Use the ostream argument as output stream insted of a hard-coded cout. Signed-off-by: Ondrej Oprala <ooprala@redhat.com> Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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36ed6e0583 |
Make zip archive support optional
* configure.ac: Support a new --enable-zip-archive option. By default its value is set to the 'auto', meaning that if libzip is installed, that turns the option on -- just like if --enable-zip-archive was called with the value 'yes'; if libzip is not installed, that turns the option off -- just like if --enable-zip-archive was called with the value 'no'. If libzip is detected, the pre-processor macro HAVE_LIBZIP is set to 1. If --enable-zip-archive is turned on, the pre-processor macro WITH_ZIP_ARCHIVE is set to 1. * config.h.in (HAVE_LIBZIP, WITH_ZIP): New define. * src/abg-corpus.cc: Include config.h. Guard the inclusion of abg-libzip-utils.h with the WITH_ZIP_ARCHIVE macro. Likewise for the use of declarations coming from abg-libzip-utils.h. * src/abg-libzip-utils.cc: Include config.h. Guard the file's content with the WITH_ZIP_ARCHIVE macro. * src/abg-reader.cc: Include config.h. Guard the inclusion of abg-libzip-utils.h with the WITH_ZIP_ARCHIVE. Likewise for the use of declarations coming from abg-libzip-utils.h. * src/abg-writer.cc: Likewise. * tests/Makefile.am: Build runtestwritereadarchive and runtestdot only if zip archives are supported. * tools/Makefile.am: The biar program is built only if zip archives are supported. * tools/bidiff.cc: Handle zip archives only if the WITH_ZIP_ARCHIVE macros is defined. * tools/bilint.cc: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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89564d516a |
Tell bidiff --help, wrong options and missing argument apart
* tools/bidiff.cc (options::{display_usage,missing_operand}): New data members. (options::options): Initialize them. (parse_command_line): Flag missing operands. Return false only when an option could not be parsed. Flag when the user wants us to display help. (main): Tell --help, wrong options and missing argument apart and give an appropriate message on stderr. The help string goes to stdout though. Just like what GNU diff does. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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fbbc89bad8 |
In bidiff, don't emit a report when the binaries have the same ABI
* tools/bidiff.cc (main): For differences of zero length, do not emit any report. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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83ed508010 |
In bidiff, change --no-linkage-names to --no-linkage-name
* tools/bidiff.cc (display_usage): Change--no-linkage-names -o --no-linkage-name in the help string. (parse_command_line): Adjust the command line parsing accordingly. * tests/test-diff-filter.cc (in_out_specs): Adjust. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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e5490e206b |
Cleanup bidiff help string some more
* tools/bidiff.cc (display_usage): Add help strings for --harmless and --no-harmful. (main): Emit the help string to stdout, not stderr. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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a5350a23d6 |
bidiff --no-harmless is no more
* tools/bidiff.cc (display_usage): Remove the help string for the --no-harmless option that doesn't exist anymore, as it's on by default. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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e6b39a7813 |
bidiff --harmful is not supported anymore
* tools/bidiff.cc (display_usage): remove the '--harmful' line from the help string as this option is now activated by default. It's --harmless that exists now. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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b6d7fcc515 |
A builtin type name change is not harmless - fix that
* include/abg-comp-filter.h (has_harmless_name_change): New function declaration. * include/abg-comparison.h (diff_category::DECL_NAME_CHANGE_CATEGORY): Renamed this into HARMLESS_DECL_NAME_CHANGE_CATEGORY. (diff_category::EVERYTHING_CATEGORY): Update. * include/abg-fwd.h (is_enum): New function declaration. (is_var_decl): Return the shared_ptr<var_decl> rather than a bool. (is_data_member): New overload that takes a shared_ptr<decl_base>. * src/abg-comp-filter.cc (decl_name_changed): Consider the qualified name here. (has_harmless_name_change): Define new function declaration. (harmless_filter::visit): Use the new has_harmless_name_change function. * src/abg-comparison.cc (represent) (report_name_size_and_alignment_changes, enum_diff::report) (typedef_diff::report, is_data_member): Use the new filtering::has_harmless_name_change function to simplify logic of emitting the name change related diff * tools/bidiff.cc (set_diff_context_from_opts): Adjust DECL_NAME_CHANGE_CATEGORY -> HARMLESS_DECL_NAME_CHANGE_CATEGORY. * src/abg-ir.cc (is_data_member, is_enum): New function definitions. (is_var_decl): Return the var_decl_sptr rather than just a bool. * tests/data/test-diff-filter/test13-report.txt: Adjust. * tests/data/test-diff-filter/test6-report.txt: Adjust. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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7fa9c3ca04 |
Update copyright notice
* tests/test-lookup-syms.cc: Update year in copyright notice. * tools/bidw.cc: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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7b126c03a0 |
Support alternate debug info sections
ABGBZ#17193 * include/abg-dwarf-reader.h (class read_context) (typedef read_context_sptr, create_read_context) (has_alt_debug_info): Declare these. (read_corpus_from_elf): Declare new overload. * src/abg-dwarf-reader.cc (find_alt_debug_info) (is_die_attribute_resolved_through_gnu_ref_alt) (build_primary_die_parent_relations_under) (build_alternate_die_parent_relations_under): Define new static functions. (read_context::{alt_dwarf_, alt_debug_info_path_, alternate_die_decl_map_, alternate_die_parent_map_}): New data members. (read_context::{alt_dwarf, alt_debug_info_path, alternate_die_decl_map, associate_die_to_decl_primary, associate_die_to_decl_alternate, associate_die_to_decl, lookup_decl_from_die_offset_primary, lookup_decl_from_die_offset_alternate, lookup_decl_from_die_offset, alternate_die_parent_map}): New member functions. (read_context::load_debug_info): Painfully Get a handle on the alternate debug info section too. We shouldn't have to do all this work; we could use the new dwarf_getalt() function from libdw, but we cannot as we want to support supports that predate that api. When a version of elfutils gets released with that api though, we should conditionally use that instead. (build_ir_node_from_die, get_parent_die, get_scope_for_die) (build_namespace_decl_and_add_to_ir) (build_class_type_and_add_to_ir, build_qualified_type) (build_pointer_type_def, build_reference_type, build_typedef_type) (build_var_decl, build_function_decl): Take a new parameter that tells if the input DIE is from alternate debug info. Adjust their code accordingly. (die_die_attribute): Take a new output parameter that tells if the resolved DIE is from alternate debug info. Also take a new parameter that tells if the input DIE is from alternate debug info sections. (build_die_parent_relations_under): Take the DIE -> parent map to act upon. Also, add a new overload that takes a flag saying if the DIE is from alternate debug info or not, and act upon that. (build_die_parent_maps): Renamed build_die_parent_map into this and make it build DIE -> parent DIE relationship for the alternate debug info file as well. (find_last_import_unit_point_before_die, ): Adjust to use the information about if the relevant DIEs are in alternate debug info or not. (build_translation_unit_and_add_to_ir): Clear the alternate DIE -> decl map, that is per TU just as the primary DIE -> decl map. Adjust to use the information about if the relevant DIEs are in alternate debug info or not. (read_debug_info_into_corpus): Build the two DIE -> DIE parent maps (one for the primary debug info and one for the alternate debug info). (create_read_context, has_alt_debug_info): Define new public entry points. (read_corpus_from_elf): New entry point overload that takes a read_context. * tools/bidw.cc (options::{check_alt_debug_info_path, show_base_name_alt_debug_info_path}): New data members. (display_usage): Update for the two new options --check-alternate-debug-info and check-alternate-debug-info-base-name. (parse_command_line): Parse the two options above. (main) Handle the two new options above. * tests/Makefile.am: Build the new runtestaltdwarf test. Add the new data/test-alt-dwarf-file/* files to the build system. * tests/test-alt-dwarf-file.cc: New test driver. * tests/data/test-alt-dwarf-file/test0-common.cc: New test input files. * tests/data/test-alt-dwarf-file/libtest0-common.so: Likewise. * tests/data/test-alt-dwarf-file/test0.cc: Likewise. * tests/data/test-alt-dwarf-file/libtest0.so: Likewise. * tests/data/test-alt-dwarf-file/test0.h: Likewise. * tests/data/test-alt-dwarf-file/test0-common-dwz.debug: Likewise. * tests/data/test-alt-dwarf-file/test0-debug-dir/.build-id/16/7088580c513b439c9ed95fe6a8b29496495f26.debug: Likewise. * tests/data/test-alt-dwarf-file/test0-debug-dir/test0-common-dwz.debug: Likewise. * tests/data/test-read-dwarf/test1.abi: Adjust. bidw doesn't emit an abstract constructor/destructor anymore. It emits just the functions matching the cdtor symbols found in the binary. * tests/data/test-read-dwarf/test2.so.abi: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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Dodji Seketeli
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a8285b1f9c |
Add subdir-objects automake option where it is needed
* src/Makefile.am: Add the subdir-object automake option here. Do not specify absolute paths for the input files as Automake now takes care of that just fine. * tests/Makefile.am: Likewise. * tools/Makefile.am: Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com> Signed-off-by: Dodji Seketeli <dodji@seketeli.org> |
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Dodji Seketeli
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591014bf40 |
Avoid reporting diff nodes that have already been reported
* include/abg-comp-filter.h (class harmful_filter): Update comment. (class redundant_filter): Declare new filter. * include/abg-comparison.h (enum diff_category::NOT_REDUNDANT_CATEGORY): New category. Update the values of the other enumerators. (diff_context::{add_diff, diff_has_been_traversed}): New overloads. (diff_context::{categorizing_redundancy, show_redundant_changes}): Declare new methods. (diff_context::remove_from_category): Define new inline method. * src/abg-comparison.cc (noop_deleter::operator()): Constify the parameter. (CATEGORIZE_REDUNDANCY_FROM_CHILD_NODE) (UPDATE_REDUNDANCY_CATEGORIZATION_FROM_NODE_SUBTREE): New macros. (TRAVERSE_DIFF_NODE_AND_PROPAGATE_CATEGORY) (TRAVERSE_MEM_DIFF_NODE_AND_PROPAGATE_CATEGORY) (TRAVERSE_MEM_FN_DIFF_NODE_AND_PROPAGATE_CATEGORY): Use the new CATEGORIZE_REDUNDANCY_FROM_CHILD_NODE and UPDATE_REDUNDANCY_CATEGORIZATION_FROM_NODE_SUBTREE macros above. (ENSURE_DIFF_NODE_TRAVERSED_ONCE) (ENSURE_MEM_DIFF_NODE_TRAVERSED_ONCE): If the (type_decl or class) node hasn't been yet traversed, mark it as non-redundant. (diff_context::priv::categorizing_redundancy): New member. (diff_context::priv::priv): Initialize it. (diff_context::{add_diff, diff_has_been_traversed): Define new overloads. (diff_context::mark_diff_as_traversed): Intern a diff node that is marked as being traversed. (diff_context::{categorizing_redundancy, show_redundant_changes}): Define new methods. (diff::is_filtered_out): A redundant function or top-level variable is considered filtered-out. Otherwise, the new NOT_REDUNDANT_CATEGORY doesn't play any role when comparing allowed categories with the set of categories a diff node belongs to. (corpus::priv::categorize_redundant_changed_sub_nodes): Define new member function. (corpus_diff::priv::apply_filters_and_compute_diff_stats): Change this to first walk the changed functions and variables to apply filters, then categorize redundant changed functions, and then walk the changed functions and variables again to count filtered-out diff nodes. (filtering::redundant_filter::visit): Define new member function. * tools/bidiff.cc (options::show_redundant_changes): New data member. (options::options): Initialize it. (display_usage): Add help string for the --redundant command line option. (parse_command_line): Add support for the --redundant command line option. (set_diff_context_from_opts): Take the --redundant command line option in account. * tests/test-diff-filter.cc: Update this to add new test inputs. * tests/data/test-diff-filter/test14-0-report.txt: New test input. * tests/data/test-diff-filter/test14-1-report.txt: Likewise. * tests/data/test-diff-filter/test14-v0.cc: Likewise. * tests/data/test-diff-filter/test14-v0.o: Likewise. * tests/data/test-diff-filter/test14-v1.cc: Likewise. * tests/data/test-diff-filter/test14-v1.o: Likewise. * tests/data/test-diff-filter/test15-0-report.txt: Likewise. * tests/data/test-diff-filter/test15-1-report.txt: Likewise. * tests/data/test-diff-filter/test15-v0.cc: Likewise. * tests/data/test-diff-filter/test15-v0.o: Likewise. * tests/data/test-diff-filter/test15-v1.cc: Likewise. * tests/data/test-diff-filter/test15-v1.o: Likewise. * tests/Makefile.am: Add the above to the build system. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |