[PATCH, updated] Vtable pointer verification, runtime library changes (patch 3 of 3)

[Caroline Tice]

I got too excited about being done and forgot to attach the patch. :-(
 Sorry. Here it is.

-- Caroline
cmtice@google.com


On Mon, Feb 25, 2013 at 11:31 AM, Caroline Tice <cmtice@google.com> wrote:
> Here are the latest changes to the vtable pointer verification patches
> (again there are 3 patches: c++ front end, main gcc, and c++ runtime
> library).  I think these address all the review comments I have
> received so far.  This patch is the for C++ runtime library changes.
> Please review these changes and let me know if they will be ok to
> commit once stage 1 opens.
>
> -- Caroline Tice
> cmtice@google.com
>
> 2013-02-25  Caroline Tice  <cmtice@google.com>
>
>         * config/abi/pre/gnu.ver:  Add vtable verification runtime functions to
>         the list of globally visible symbols.
>         * acinclude.m4: Add GLIBCXX_ENABLE_VTABLE_VERIFY option and comments.
>         * configure (ENABLE_VTABLE_VERIFY_FALSE, ENABLE_VTABLE_VERIFY_TRUE,
>         enable_vtable_verify):  New definitions.
>         (predep_objects): Add vtv_start.o. if --enable-vtable-verify=yes was
>         used.
>         (postdep_objects):  Add vtv_end.o. if --enable-vtable-verify=yes was
>         used.
>         Add test for --enable-vtabkle-verify=yes. Add definitions for
>         ENABLE_VTABLE_VERIFY_FALSE and ENABLE_VTABLE_VERIFY_TRUE.
>         * src/Makefile.am (libvtv__la_LIBADD): Add definition, conditioned on
>         ENABLE_VTABLE_VERIFY.
>         (LIBVTV_FLAGS): Add definition, conditioned on ENABLE_VTABLE_VERIFY.
>         (libstdc___la_LDFLAGS): Add 'Wl,-u_vtable_map_var_start,
>         -u_vtable_map_var_end' if ENABLE_VTABLE_VERIFY is true.
>         (CXXLINK):  Add LIBVTV_FLAGS.
>         * src/Makefile.in: Regenerate from Makefile.am.
>         * configure.ac (GLIBCXX_ENABLE_VTABLE_VERIFY): New definition.
>         * libsupc++/vtv_utils.cc:  New file.
>         * libsupc++/vtv_rts.h:  New file.
>         * libsupc++/vtv_map.h:  New file.
>         * libsupc++/vtv_set.h:  New file.
>         * libsupc++/vtv_utils.h:  New file.
>         * libsupc++/vtv_init.cc:  New file.
>         * libsupc++/vtv_malloc.h:  New file.
>         * libsupc++/Makefile.am (sources):  Add vtv_rts.cc, vtv_malloc.cc and
>         vtv_utils.cc to the list.
>         (vtv_init_sources, vtv_stubs_soruces, libvtv_init_la_sources,
>         libvtv_stubs_la_sources):  New definitions.
>         (toolexeclib_LTLIBRARIES):  Add libvtv_init.la and libvtv_stubs.la.
>         * libsupc++/Makefile.in:  Regenerate from Makefile.am.
>         * libsupc++/vtv_stubs.cc:  New file.
>         * libsupc++/vtv_malloc.cc:  New file.
>         * libsupc++/vtv_rts.cc:  New file.
>         * libsupc++/vtv_fail.h:  New file.
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