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
* 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
2011-10-14 Jonathan Yong <jon_y@users.sourceforge.net>
* configure.host: Use config/os/mingw32-w64 instead of
config/os/mingw32 if vendor key is "w64".
* config/os/mingw32-w64: Duplicate from config/os/mingw32.
* config/os/mingw32-w64/os_defines.h: Enable
_GLIBCXX_FULLY_DYNAMIC_STRING if undefined.
* acinclude.m4: Set fully-dynamic-string to 1 when enabled,
0 when disabled or undefined if unset by user.
* include/bits/basic_string.h: Check if
_GLIBCXX_FULLY_DYNAMIC_STRING is set to 0 instead of undefined.
include/bits/basic_string.tcc: Likewise.
* configure: Regenerated.
* config.h.in: Likewise.
From-SVN: r179961
/gcc
2011-07-15 Paolo Carlini <paolo.carlini@oracle.com>
Jakub Jelinek <jakub@redhat.com>
Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/49745
* gthr-posix.h: Do not include <unistd.h> unconditionally; use
_GTHREADS_USE_MUTEX_TIMEDLOCK instead of _POSIX_TIMEOUTS.
/libstdc++-v3
2011-07-15 Paolo Carlini <paolo.carlini@oracle.com>
Jakub Jelinek <jakub@redhat.com>
PR libstdc++/49745
* acinclude.m4 ([GLIBCXX_CHECK_GTHREADS]): Check separately for
_POSIX_TIMEOUTS and define _GTHREADS_USE_MUTEX_TIMEDLOCK.
* libstdc++-v3/libsupc++/guard.cc: Include <unistd.h>.
* testsuite/17_intro/headers/c++1998/49745.cc: New.
* configure: Regenerate.
* config.h.in: Likewise.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
Co-Authored-By: Jonathan Wakely <jwakely.gcc@gmail.com>
From-SVN: r176335
config:
* gc++filt.m4: New file.
contrib:
* make_sunver.pl: New file.
libstdc++v3:
* acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Handle sun style.
Require GCC_PROG_GNU_CXXFILT.
(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT): Define
unless targetting solaris2*.
Include ../config/gc++filt.m4.
* configure.host (i?86-*-solaris2*): Set abi_baseline_pair.
(sparc-*-solaris2*): Likewise.
* src/Makefile.am [ENABLE_SYMVERS_SUN] (version_dep, version_arg):
New variables.
(libstdc++-symbols.ver-sun): New target.
* configure: Regenerate.
* config.h.in: Regenerate.
* Makefile.in: Likewise.
* doc/Makefile.in: Likewise.
* include/Makefile.in: Likewise.
* libsupc++/Makefile.in: Likewise.
* po/Makefile.in: Likewise.
* python/Makefile.in: Likewise.
* src/Makefile.in: Likewise.
* src/atomic.cc: Only define/use _GLIBCXX_ASM_SYMVER if
_GLIBCXX_HAVE_SYMVER_RENAMING_RUNTIME_SUPPORT.
* src/compatibility.cc: Likewise.
* testsuite/Makefile.am (baseline_subdir): Define.
(baseline_symbols): Use it.
(new-abi-baseline): Likewise.
* testsuite/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.5): Enclose duplicates in
#ifdef HAVE_SYMVER_RENAMING_RUNTIME_SUPPORT.
(GLIBCXX_3.4.6): Likewise.
* doc/xml/manual/configure.xml (--enable-symvers): Document sun
style.
* doc/xml/manual/abi.xml: Fix grammar.
(Symbol versioning on the libstdc++.so binary): Fix mapfile path.
(Incremental bumping of a library pre-defined macro): Fix
c++config path.
(Incremental bumping of a library pre-defined macro,
_GLIBCPP_VERSION): Likewise.
(Matching each specific C++ compiler release to a specific set of
C++ include files): Fix acinclude.m4 path.
(Prerequisites): Allow for Sun linker on Solaris 2.5+.
Use proper link to Configuring.
Fix acinclude.m4 path.
(Checking Active): Allow for additional symbol versioning styles.
Provide Solaris 2 example with pvs -r.
(Bibliography): Update Linker and Libraries Guide, C++ Migration
Guide entries.
gcc:
* doc/install.texi (Prerequisites): Document Perl requirement on
Solaris 2.
(Specific, *-*-solaris2*): Document GNU c++filt requirement.
From-SVN: r161696
2009-10-05 Benjamin Kosnik <bkoz@redhat.com>
Edward Smith-Rowland <3dw4rd@verizon.net>
* include/decimal/decimal: Warn if decimal floating point types
are not available.
* acinclude.m4 (GLIBCXX_ENABLE_DECIMAL_FLOAT): New.
* configure.ac: Use it.
* configure: Regenerate.
* config.h.in: Regenerate.
2009-10-05 Benjamin Kosnik <bkoz@redhat.com>
* include/Makefile.am: Remove stray line break.
* include/decimal/decimal: Brief class doxygen markup.
* libsupc++/exception: Whitespace cleanup.
* testsuite/libstdc++-dg/conformance.exp: Add testsuite directory
decimal.
* scripts/create_testsuite_files (dlist): Same.
* doc/xml/manual/using.xml: One column in table. Move after TR1.
* testsuite/decimal/bad-cast.cc: Move to...
* testsuite/decimal/cast_neg.cc: ...here.
* testsuite/decimal/bad-mixed-mode.cc: Move to...
* testsuite/decimal/mixed-mode_neg.cc: ...here.
* testsuite/decimal/bad-operator.cc: Move to...
* testsuite/decimal/operator_neg.cc: ...here.
* doc/doxygen/user.cfg.in (INPUT): Add decimal/decimal.
2009-10-05 Janis Johnson <janis187@us.ibm.com>
* doc/Makefile.am: Process new file.
* doc/xml/manual/intro.xml: Ditto.
* doc/xml/manual/using.xml: Document new header.
* doc/xml/manual/status_cxxdecimal.xml: New file.
* include/Makefile.am: Process new headers.
* include/decimal/decimal: New file.
* include/decimal/decimal.h: New file.
2009-10-05 Janis Johnson <janis187@us.ibm.com>
* testsuite/decimal: New directory.
* testsuite/decimal/bad-cast.cc: New test.
* testsuite/decimal/bad-mixed-mode.cc: New test.
* testsuite/decimal/bad-operator.cc: New test.
* testsuite/decimal/binary-arith.cc: New test.
* testsuite/decimal/comparison.cc: New test.
* testsuite/decimal/compound-assignment.cc: New test.
* testsuite/decimal/compound-assignment-memfunc.cc: New test.
* testsuite/decimal/conversion-from-float.cc: New test.
* testsuite/decimal/conversion-from-integral.cc: New test.
* testsuite/decimal/conversion-to-generic-float.cc: New test.
* testsuite/decimal/conversion-to-integral.cc: New test.
* testsuite/decimal/ctor.cc: New test.
* testsuite/decimal/incdec.cc: New test.
* testsuite/decimal/incdec-memfunc.cc: New test.
* testsuite/decimal/make-decimal.cc: New test.
* testsuite/decimal/unary-arith.cc: New test.
From-SVN: r152457
2008-08-28 Chris Fairles <chris.fairles@gmail.com>
* acinclude.m4 ([GLIBCXX_CHECK_GTHREADS]): New. Checks for gthread
support used by c++0x thread library.
* configure.ac: Test unconditionally.
* configure: Regenerate.
* config.h.in: Regenerate.
From-SVN: r139705
2008-08-23 Paolo Carlini <paolo.carlini@oracle.com>
* acinclude.m4 ([GLIBCXX_CHECK_GETTIMEOFDAY]): Change to use
GCC_TRY_COMPILE_OR_LINK.
([GLIBCXX_CHECK_CLOCK_GETTIME]): Rename to
[GLIBCXX_ENABLE_CLOCK_GETTIME], a versatile configure-time option,
[no] by default, since it includes TRY_LINK checks. librt is also
searched, if requested.
* doc/xml/manual/configure.xml: Document the latter.
* configure.ac: Move the above checks outside native-only.
* configure: Regenerate.
From-SVN: r139576
2008-08-24 Paolo Carlini <paolo.carlini@oracle.com>
* acinclude.m4 ([GLIBCXX_CHECK_RANDOM_TR1]): Simplify, just use
two test -r instead of an AC_TRY_RUN.
* configure: Regenerate.
* config.h.in: Likewise.
From-SVN: r139549
2008-08-06 Paolo Carlini <paolo.carlini@oracle.com>
* acinclude.m4 ([GLIBCXX_CHECK_INT64_T]): Also check whether int64_t
is actually a typedef to long or long long.
* include/bits/postypes.h: If int64_t is actually a typedef for
long or long long don't include <stdint.h> unnecessarily.
* configure: Regenerate.
* config.h.in: Likewise.
From-SVN: r138797
* configure.ac: Do not check for gconv.h.
* crossconfig.m4 (GLIBCXX_CROSSCONFIG): Do not test for gconv.h or
gconf.h. For glibc and uClibc systems, define
_GLIBCXX_USE_RANDOM_TR1 and HAVE_MMAP and use AC_LC_MESSAGES and
AM_ICONV.
* configure, config.h.in: Regenerate.
From-SVN: r136494
2008-04-24 Benjamin Kosnik <bkoz@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Check for set of
all used __sync builtins, in two sizes.
* config.h.in: Regenerate.
* configure: Regenerate.
* src/atomic.cc: Use _GLIBCXX_ATOMIC_BUILTINS_1.
* include/ext/atomicity.h: Use _GLIBCXX_ATOMIC_BUILTINS_4.
* libsupc++/guard.cc: Use _GLIBCXX_ATOMIC_BUILTINS_4.
* doc/xml/manual/concurrency.xm: Update docs.
From-SVN: r134629
2008-04-23 Benjamin Kosnik <bkoz@redhat.com>
* config/os/hpux/os_defines.h: Use _GLIBCXX_BEGIN_NAMESPACE,
_GLIBCXX_BEGIN_EXTERN_C, etc.
From-SVN: r134607
Caroline Tice
Jakub Jelinek
Tom Tromey
Jason Merrill
Jonathan Wakely
Sebastian Huber
Ulrich Drepper
Rainer Orth
Benjamin Kosnik
Jonathan Yong
Paolo Carlini
Kai Tietz
Silvius Rus
Benjamin Kosnik
Silvius Rus
Ralf Wildenhues
Chris Fairles
Chris Fairles
Joseph Myers
Paolo Carlini