* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_CXX11_ABI): Remove.
(GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI, GLIBCXX_DEFAULT_ABI): Add.
* configure.ac: Use new macros.
* configure: Regenerate.
* Makefile.in: Regenerate.
* doc/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* include/Makefile.am: Set _GLIBCXX_USE_DUAL_ABI.
* include/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver: Export symbols related to new std::string.
Tighten old patterns to not match new symbols.
* config/locale/generic/monetary_members.cc: Guard some definitions
to not compile with new ABI.
* config/locale/gnu/monetary_members.cc: Likewise.
* config/locale/gnu/numeric_members.cc: Prevent double-free.
* config/os/gnu-linux/ldbl-extra.ver: Add new __gnu_cxx_ldbl128
exports. Tighten old patterns.
* doc/xml/manual/configure.xml: Document new configure options.
* doc/html/*: Regenerate.
* include/bits/basic_string.h (__cxx11::basic_string): Define new
non-reference-counted implementation in inline namespace __cxx11.
(stoi, stol, stoll, stof, stod, stold, to_string): Conditionally use
inline namespace.
(literals::string_literals::operator"): Conditionally use abi-tag.
* include/bits/basic_string.tcc (__cxx11::basic_string): Define.
* include/bits/c++config: Define _GLIBCXX_USE_DUAL_ABI and
LDBL_CXX11_ABI namespace macros.
* include/bits/locale_classes.h (locale::name()): Use abi_tag when
new ABI is in use.
(locale::_S_twinned_facets): New static member.
(locale::facet::__shim): Declare new type.
(locale::_facet::_M_sso_shim, locale::_facet::_M_cow_shim): New
functions for creating shims.
(locale::_Impl::_M_facet_unchecked): New member function for use
during construction.
(locale::_Impl::_M_init_extra): New member functions to create second
version of some facets.
(collate, collate_byname): Use abi_tag when new ABI is in use.
* include/bits/locale_facets.h: Add _GLIBCXX_NUM_CXX11_FACETS macro.
(numpunct, numpunct_byname): Use __cxx11 namespace.
(num_get::_M_extract_float, num_get::_M_extract_int): Use abi_tag
when new ABI is in use.
(num_get::__do_get, num_put::__do_put): Do not declare long double
compat functions for new ABI.
* include/bits/locale_facets.tcc (num_get, num_put): Use abi_tag on
definitions.
(numpunct, numpunct_byname): Qualify explicit instantiations.
* include/bits/locale_facets_nonio.h (time_get, time_get_byname,
moneypunct, moneypunct_byname, money_get, money_put, messages,
messages_byname): Use new inline namespace macros.
(money_get::__do_get, money_put::__do_put): Do not declare long
double compat functions for new ABI.
* include/bits/locale_facets_nonio.tcc (money_get, money_put): Use
new namespace macros.
(money_get::__do_get, money_put::__do_put): Do not define for new ABI.
* include/bits/localefwd.h (numpunct, numpunct_byname, collate,
collate_byname, time_get, time_get_byname, moneypunct,
moneypunct_byname, money_get, money_put, messages, messages_byname):
Use new namespace macros.
* include/bits/regex.h: Use inline namespace macros.
* include/bits/stl_list.h (_List_base, list): Use inline namespace
instead of abi-tag.
* include/bits/stringfwd.h (basic_string): Use namespace macros.
* include/std/iosfwd (basic_stringbuf, basic_istringstream,
basic_ostringstream, basic_stringstream): Likewise.
* include/std/sstream: Likewise.
(basic_stringbuf::__xfer_bufptrs): Update streambuf pointers on move.
* include/std/stdexcept (__cow_string, __sso_string): New types for
indirectly using std::string with either ABI.
(logic_error, runtime_error): Replace std::string member with
__cow_string when new ABI is in use. Declare non-inline copy
constructor and assignment operator. Declare const char* constructors.
(domain_error, invalid_argument, length_error, out_of_range,
range_error, overflow_error, underflow_error): Declare const char*
constructors.
* include/std/system_error (error_category): Replace with new
definition in inline namespace _V2.
(error_code::message, error_condition::message): Use abi_tag on
functions returning std::string.
* python/libstdcxx/v6/printers.py (StdStringPrinter): Handle new ABI.
* src/c++11/Makefile.am: Add new files.
* src/c++11/Makefile.in: Regenerate.
* src/c++11/compatibility-c++0x.cc: Compile with old std::string ABI.
Define old error_category symbols.
* src/c++11/cow-fstream-inst.cc: New. Instantiate fstream members
using old std::string ABI.
* src/c++11/cow-locale_init.cc (locale::_Impl::_M_init_extra): Define.
* src/c++11/cow-shim_facets.cc: Define shim facets using old ABI.
* src/c++11/cow-sstream-inst.cc: Instantiate stringstreams using old
std::string ABI.
* src/c++11/cow-stdexcept.cc: Define new constructors and assignment
operators.
(__cow_string, error_category::_M_message): Define.
* src/c++11/cow-string-inst.cc: Explicit instantiations using old
std::string. Include src/c++98/istream-string.cc.
* src/c++11/cow-wstring-inst.cc: Explicit instantiations using old
std::wstring.
* src/c++11/cxx11-hash_tr1.cc: Explicit instantiations using new
string.
* src/c++11/cxx11-ios_failure.cc: Add sanity check.
* src/c++11/cxx11-locale-inst.cc: Instantiate facets using new
std::string.
* src/c++11/cxx11-shim_facets.cc: Define shim facets using new ABI.
* src/c++11/cxx11-stdexcept.cc: Define constructors taking new
std::string.
* src/c++11/cxx11-wlocale-inst.cc: Instantiate facets using
new std::wstring.
* src/c++11/fstream-inst.cc: Compile with new ABI.
* src/c++11/functexcept.cc: Compile with old ABI.
* src/c++11/random.cc: Compile with new ABI.
* src/c++11/sstream-inst.cc: Compile with new ABI.
* src/c++11/string-inst.cc: Explicit instantiations for new string.
* src/c++11/system_error.cc (__sso_string, error_category::_M_message):
Define.
* src/c++11/wstring-inst.cc: Compile with new ABI.
* src/c++98/Makefile.am: Compile some host files twice for old and
new std::string. Add new files.
* src/c++98/Makefile.in: Regenerate.
* src/c++98/compatibility-ldbl.cc: Compile with old ABI.
* src/c++98/compatibility.cc: Likewise.
* src/c++98/concept-inst.cc: Likewise.
* src/c++98/hash_tr1.cc: Likewise.
* src/c++98/istream-string.cc: New file defining functions that
work with istream and std::string moved from ...
* src/c++98/istream.cc: ... here.
* src/c++98/cow-istream-string.cc: Recompile istream-string.cc with
old ABI.
* src/c++98/locale-inst.cc: Adjust facet instantiations to work for
either ABI.
* src/c++98/locale.cc (locale::_M_install_facet,
locale::_M_install_cache): Handle twinned facets.
* src/c++98/locale-facets.cc: Compile with old std::string ABI.
(__verify_grouping): Define new overload and old std::string version.
* src/c++98/locale_init.cc: Initialize twinned facets.
* src/c++98/localename.cc: Likewise.
* src/c++98/misc-inst.cc: Instantiate C++98-only std::string members.
(__verify_grouping): Define new std::string version.
* src/c++98/stdexcept.cc: Compile with old std::string ABI.
* src/c++98/wlocale-inst.cc: Likewise.
* testsuite/18_support/50594.cc: Adjust to work with SSO strings.
* testsuite/21_strings/basic_string/capacity/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/18654.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/2.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/18654.cc:
Likewise.
* testsuite/21_strings/headers/string/synopsis.cc: Use inline
namespace macros.
* testsuite/23_containers/headers/list/synopsis.cc: Likewise.
* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Set dg-options so
correct exception type can be caught.
* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_arithmetic/char/
exceptions_failbit.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
exceptions_failbit.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_other/char/
exceptions_null.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_other/wchar_t/
exceptions_null.cc: Likewise.
* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
* testsuite/27_io/basic_ostream/inserters_other/char/
exceptions_null.cc: Likewise.
* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
exceptions_null.cc: Likewise.
* testsuite/27_io/ios_base/storage/2.cc: Likewise.
* testsuite/27_io/ios_base/failure/cxx11.cc: Disable for old ABI.
* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error.
* testsuite/libstdc++-prettyprinters/libfundts.cc: Use old ABI.
* testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
* testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
* testsuite/util/exception/safety.h: Adjust member function types
for new std::string.
* testsuite/util/testsuite_abi.cc: Add new version and ignore
__float128 symbols in __cxx11 namespace.
From-SVN: r218964
N3778: Sized Deallocation
gcc/c-family/
* c.opt (-fsized-deallocation, -Wc++14-compat): New.
(-Wsized-deallocation): New.
* c-opts.c (c_common_post_options): -fsized-deallocation defaults
to on in C++14 and up.
gcc/cp/
* call.c (non_placement_deallocation_fn_p): A global sized
operator delete is not a usual deallocation function until C++14.
(build_op_delete_call): Choose the global sized op delete if we
know the size.
* cp-tree.h: Declare non_placement_deallocation_fn_p.
(enum cp_tree_index): Remove CPTI_GLOBAL_DELETE_FNDECL.
(global_delete_fndecl): Remove.
* decl.c (cxx_init_decl_processing): Also declare sized op deletes.
(grok_op_properties): Warn about sized dealloc without the flag.
* init.c (build_builtin_delete_call): Remove.
(build_vec_delete_1, build_delete): Don't call it.
* decl2.c (maybe_warn_sized_delete): New.
(cp_write_global_declarations): Call it.
libstdc++-v3/
* libsupc++/del_ops.cc: New.
* libsupc++/del_opvs.cc: New.
* libsupc++/Makefile.am: Add them.
* libsupc++/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver: Export _ZdlPvm and _ZdaPvm.
From-SVN: r218755
2014-09-10 Tony Wang <tony.wang@arm.com>
libstdc++-v3/
PR target/56846
* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION):
Return with CONTINUE_UNWINDING when the state pattern
contains: _US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND
From-SVN: r215101
PR c++/61659
PR lto/53808
gcc/cp
* decl2.c (maybe_emit_vtables): Mark all vtable entries if
devirtualizing.
* init.c (build_vtbl_address): Don't mark destructor.
* class.c (finish_struct_1): Add all classes to keyed_classes
if devirtualizing.
libstdc++-v3/
* libsupc++/cxxabi.h (class __pbase_type_info): __pointer_catch
is pure, not inline.
From-SVN: r212174
2014-05-17 Marc Glisse <marc.glisse@inria.fr>
* libsupc++/new_op.cc: Factor the calls to malloc, use __builtin_expect.
* libsupc++/new_opnt.cc: Likewise.
From-SVN: r210560
libstdc++-v3/
PR libstdc++/59392
* libsupc++/eh_call.cc (__cxa_call_unexpected): Call __do_catch with
the address of a null pointer, not with a null pointer to pointer.
Copy comment for this case from eh_personality.cc:__cxa_call_unexpected.
* testsuite/18_support/bad_exception/59392.cc: New file.
Co-Authored-By: Mark Seaborn <mseaborn@google.com>
From-SVN: r208519
2013-10-03 Marc Glisse <marc.glisse@inria.fr>
* libsupc++/del_op.cc (operator delete): Don't test for 0 before free.
* libsupc++/del_opnt.cc (free): Only declare if freestanding.
(operator delete): Qualify free with std::.
From-SVN: r203164
Commit the vtable verification feature. This feature is designed to
detect, at run time, if/when the vtable pointer in a C++ object has
been corrupted, before allowing virtual calls through that pointer.
If pointer corruption is detected, execution of the program is halted.
libstdc++-v3 ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* fragment.am: Add XTEMPLATE_FLAGS.
* configure.ac: Add definitions for --enable-vtable-verify.
* acinclude.m4: Add --enable-vtable-verify and
--disable-vtable-verify; define --enable-vtable-verify; define
VTV_CXXFLAGS, VTV_PCH_CXXFLAGS and VTV_CXXLINKFLAGS.
* config/abi/pre/gnu.ver: Export symbols for vtable verification.
* libsupc++/Makefile.am: Define vtv_sources and add it to
libsupc___la_SOURCES and libsupc__convenience_la_SOURCES.
* libsupc++/vtv_stubs.cc: New file.
* include/Makefile.am: Add VTV_PCH_CXXFLAGS to PCHFLAGS.
* src/Makefile.am: Add VTV_CXXFLAGS to AM_CXXFLAGS; add
VTV_CXXLINKFLAGS to CXXLINK.
* src/c++98/Makefile.am: Comment out XTEMPLATE_FLAGS; add VTV_CXXFLAGS
to AM_CXXFLAGS; add VTV_CXXXLINKFLAGS to CXXLINK.
* src/C++11/Makefile.am: Ditto.
* doc/xml/manual/configure.xml: Add entry for --enable-vtable-verify.
* scripts/testsuite_flags.in: Add cxxvtvflags to Usage; cause
cxxvtvflags to use VTV_CXXFLAGS and VTV_CXXLINKFLAGS.
* testsuite/lib/libstdc++.exp: Add cxxvtvflags; add code to locate
libvtv if --enable-vtable-verify was used; set cxxvtvflags; add
cxxvtvflags to cxx_final.
* testsuite/18_support/bad_exception/23591_thread-1.c: Add
-fvtable-verify=none to compiler flags.
* testsuite/17_intro/freestanding.cc: Add -fvtable-verify=none
to compiler flags.
* configure: Regenerated.
* Makefile.in: Regenerated.
* python/Makefile.in: Regenerated.
* include/Makefile.in: Regenerated.
* libsupc++/Makefile.in: Regenerated.
* config.h.in: Regenerated.
* po/Makefile.in: Regenerated.
* src/Makefile.in: Regenerated.
* src/c++98/Makefile.in: Regenerated.
* src/c++11/Makefile.in: Regenerated.
* doc/Makefile.in: Regenerated.
* testsuite/Makefile.in: Regenerated.
top level ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* configure.ac: Add target-libvtv to target_libraries; disable libvtv
on non-linux systems; add target-libvtv to noconfigdirs; add
libsupc++/.libs to C++ library search paths.
* configure: Regenerated.
* Makefile.def: Add libvtv to target_modules; make libvtv depend on
libstdc++ and libgcc.
* Makefile.in: Regenerated.
include/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* vtv-change-permission.h: New file.
contrib/ChangeLog:
2013-08-06 Caroline Tice4 <cmtice@google.com>
* gcc_update: Add libvtv files.
libgcc/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
config.host (extra_parts): Add vtv_start.o, vtv_end.o
vtv_start_preinit.o and vtv_end_preinit.o.
configure.ac: Add code to check/set enable_vtable_verify.
Makefile.in: Add rules to build vtv_*.o, if enable_vtable_verify is
true.
vtv_start_preinit.c: New file.
vtv_end_preinit.c: New file.
vtv_start.c: New file.
vtv_end.c: New file.
configure: Regenerated.
gcc/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* gcc.c (VTABLE_VERIFICATION_SPEC): New definition.
(LINK_COMMAND_SPEC): Add VTABLE_VERIFICATION_SPEC.
* tree-pass.h: Add pass_vtable_verify.
* varasm.c (assemble_variable): Add code to properly set the comdat
section and name for the .vtable_map_vars section.
(assemble_vtyv_preinit_initializer): New function.
(default_sectin_type_flags): Make sure .vtable_map_vars section has
LINK_ONCE flag.
* output.h: Add function decl for assemble_vtv_preinit_initializer.
* vtable-verify.c: New file.
* vtable-verify.h: New file.
* flag-types.h (enum vtv_priority): Defintions for flag_vtable_verify
initialiation levels.
* timevar.def (TV_VTABLE_VERIFICATION): New definition.
* passes.def: Insert pass_vtable_verify.
* aclocal.m4: Reorder includes.
* doc/invoke.texi: Add documentation for the flags -fvtable-verify=,
-fvtv-debug and -fvtv-counts.
* config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add vtv_start*.o,
as appropriate, if -fvtable-verify=... is used.
(GNU_USER_TARGET_ENDFILE_SPEC): Add vtv_end*.o as appropriate, if
-fvtable-verify=... is used.
* Makefile.in (OBJS): Add vtable-verify.o to list.
(vtable-verify.o): Add new build rule.
(GTFILES): Add vtable-verify.c to list.
* common.opt (fvtable-verify=): New flag.
(vtv_priority): Values for fvtable-verify= flag.
(fvtv-counts): New flag.
(fvtv-debug): New flag.
* tree.h (save_vtable_map_decl): New extern function decl.
gcc/cp/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
* Make-lang.in (*CXX_AND_OBJCXX_OBJS): Add vtable-class-hierarchy.o to
list.
(vtable-class-hierarchy.o): Add build rule.
* cp-tree.h (vtv_start_verification_constructor_init_function): New
extern function decl.
(vtv_finish_verification_constructor_init_function): New extern
function decl.
(build_vtbl_address): New extern function decl.
(get_mangled_vtable_map_var_name): New extern function decl.
(vtv_compute_class_hierarchy_transitive_closure): New extern function
decl.
(vtv_generate_init_routine): New extern function decl.
(vtv_save_class_info): New extern function decl.
(vtv_recover_class_info): New extern function decl.
(vtv_build_vtable_verify_fndecl): New extern function decl.
* class.c (finish_struct_1): Add call to vtv_save_class_info if
flag_vtable_verify is true.
* config-lang.in: Add vtable-class-hierarchy.c to gtfiles list.
* vtable-class-hierarchy.c: New file.
* mangle.c (get_mangled_vtable_map_var_name): New function.
* decl2.c (start_objects): Update function comment.
(cp_write_global_declarations): Call vtv_recover_class_info,
vtv_compute_class_hierarchy_transitive_closure and
vtv_build_vtable_verify_fndecl, before calling
finalize_compilation_unit, and call vtv_generate_init_rount after, IFF
flag_vtable_verify is true.
(vtv_start_verification_constructor_init_function): New function.
(vtv_finish_verification_constructor_init_function): New function.
* init.c (build_vtbl_address): Remove static qualifier from function.
libvtv/ChangeLog:
2013-08-06 Caroline Tice <cmtice@google.com>
Initial check-in of new vtable verification feature.
* configure.ac : New file.
* acinclude.m4 : New file.
* Makefile.am : New file.
* aclocal.m4 : New file.
* configure.tgt : New file.
* configure: New file (generated).
* Makefile.in: New file (generated).
* vtv_set.h : New file.
* vtv_utils.cc : New file.
* vtv_utils.h : New file.
* vtv_malloc.cc : New file.
* vtv_rts.cc : New file.
* vtv_malloc.h : New file.
* vtv_rts.h : New file.
* vtv_fail.cc : New file.
* vtv_fail.h : New file.
* vtv_map.h : New file.
* scripts/run-testsuite.sh : New file.
* scripts/sum-vtv-counts.c : New file.
* testsuite/parts-test-main.h : New file.
* testusite/dataentry.cc : New file.
* testsuite/temp_deriv.cc : New file.
* testsuite/register_pair.cc : New file.
* testsuite/virtual_inheritance.cc : New file.
* testsuite/field-test.cc : New file.
* testsuite/nested_vcall_test.cc : New file.
* testsuite/template-list-iostream.cc : New file.
* testsuite/register_pair_inserts.cc : New file.
* testsuite/register_pair_inserts_mt.cc : New file.
* testsuite/event.list : New file.
* testsuite/parts-test-extra-parts-views.cc : New file.
* testsuite/parts-test-extra-parts-views.h : New file.
* testsuite/environment-fail-32.s : New file.
* testsuite/parts-test-extra-parts.h : New file.
* testsuite/temp_deriv2.cc : New file.
* testsuite/dlopen_mt.cc : New file.
* testsuite/event.h : New file.
* testsuite/template-list.cc : New file.
* testsuite/replace-fail.cc : New file.
* testsuite/Makefile.am : New file.
* testsuite/Makefile.in: New file (generated).
* testsuite/mempool_negative.c : New file.
* testsuite/parts-test-main.cc : New file.
* testsuite/event-private.cc : New file.
* testsuite/thunk.cc : New file.
* testsuite/event-defintiions.cc : New file.
* testsuite/event-private.h : New file.
* testsuite/parts-test.list : New file.
* testusite/register_pair_mt.cc : New file.
* testsuite/povray-derived.cc : New file.
* testsuite/event-main.cc : New file.
* testsuite/environment.cc : New file.
* testsuite/template-list2.cc : New file.
* testsuite/thunk_vtable_map_attack.cc : New file.
* testsuite/parts-test-extra-parts.cc : New file.
* testsuite/environment-fail-64.s : New file.
* testsuite/dlopen.cc : New file.
* testsuite/so.cc : New file.
* testsuite/temp_deriv3.cc : New file.
* testsuite/const_vtable.cc : New file.
* testsuite/mempool_positive.c : New file.
* testsuite/dup_name.cc : New file.
From-SVN: r201555
in array new size calculation.
libstdc++-v3/
* libsupc++/new: Add std::bad_array_new_length.
* libsupc++/bad_array_new.cc: New.
* libsupc++/eh_aux_runtime.cc: Add __cxa_throw_bad_array_new_length.
* libsupc++/Makefile.in: Build them.
* config/abi/pre/gnu.ver: Add new symbols.
* config/abi/pre/gnu-versioned-namespace.ver: Add new symbols.
gcc/cp/
* init.c (throw_bad_array_new_length): New.
(build_new_1): Use it. Don't warn about braced-init-list.
(build_vec_init): Use it.
* call.c (build_operator_new_call): Use it.
From-SVN: r198731
* configure.ac: Check for __cxa_thread_atexit_impl.
* libsupc++/atexit_thread.cc (__cxa_thread_atexit): Just forward
to it if available.
* config.h.in, configure: Regenerate.
From-SVN: r196276
* config/os/mingw32/os_defines.h (_GLIBCXX_LLP64): Define if llp64
abi is used.
* config/os/mingw32-w64/os_defines.h: Likewise.
* libsupc++/cxxabi.h (__base_class_type_info): Adjust
type of __offset_flags for llp64.
* libsupc++/eh_alloc.cc (EMERGENCY_OBJ_SIZE): Define proper
for llp64 abi.
(EMERGENCY_OBJ_COUNT): Likewise.
(bitmask_type): Likewise.
* libsupc++/hash_bytes.cc (_Hash_bytes): Handle llp64.
From-SVN: r194658
