mirror of
https://github.com/gcc-mirror/gcc.git
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2077db1be5
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
227 lines
7.2 KiB
Bash
227 lines
7.2 KiB
Bash
#!/usr/bin/env bash
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# Script to do testing.
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# Invocation
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# run-testsuite SRC_DIR BUILD_DIR
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# Pass in build/src directory as parameters.
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SRC_DIR=$1
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BUILD_DIR=$2
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# Now that we've successfully translated the numerical option into
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# a symbolic one, we can safely ignore it.
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shift
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# Use build compiler/library flags from libstdc++
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flags_script=$BUILD_DIR/../libstdc++-v3/scripts/testsuite_flags
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INCLUDES=`$flags_script --build-includes`
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COMPILER=`$flags_script --build-cxx`
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CXX="$COMPILER $INCLUDES -L$BUILD_DIR/.libs -Wl,--rpath -Wl,$BUILD_DIR/.libs"
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echo "compiler config is:"
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echo $CXX
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echo ""
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# Other constants.
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LOPT_LEVELS=${OPT_LEVELS:-"-O0 -O2"}
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#LDATA_MODELS=${DATA_MODELS:-"32 64"}
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LDATA_MODELS=${DATA_MODELS:-"64"}
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# Check if value of LGCC_LIB_PATH/$1 exists. If it does, save this path.
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# If it doesn't, use LGCC_LIB_PATH as the library path.
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# This allows us to check for paths that are of the form <x>/lib32 or <x>/lib64.
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get_lib_path()
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{
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if [[ -e $LGCC_LIB_PATH$1 ]]; then
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LLGCC_LIB_PATH=$LGCC_LIB_PATH$1
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else
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LLGCC_LIB_PATH=$LGCC_LIB_PATH
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fi
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return
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}
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LGCC_SRC=$SRC_DIR/testsuite
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TESTS="const_vtable.cc dataentry.cc dup_name.cc environment.cc template-list.cc template-list2.cc template-list-iostream.cc povray-derived.cc thunk.cc thunk_vtable_map_attack.cc virtual_inheritance.cc "
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fvtable-verify=std -fpic -rdynamic -Wl,-z,relro ${TSRC} ${OL}"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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TESTS_COMPOUND_parts="${LGCC_SRC}/parts-test-main.cc ${LGCC_SRC}/parts-test-extra-parts.cc ${LGCC_SRC}/parts-test-extra-parts-views.cc"
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TESTS_COMPOUND_events="${LGCC_SRC}/event-main.cc ${LGCC_SRC}/event-definitions.cc ${LGCC_SRC}/event-private.cc"
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fvtable-verify=std -fpic -rdynamic -Wl,-z,relro ${TESTS_COMPOUND_parts} ${OL}"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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for M in $LDATA_MODELS; do
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for (( TN = 0 ; TN < 100 ; TN++ )); do
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SO_NAME=so$TN.so
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if [ -f ./lib${M}/$SO_NAME ]; then
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/bin/rm ./lib${M}/$SO_NAME
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fi
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CMD="${CXX} -m${M} -fvtable-verify=std -O0 -g -shared -fpic -rdynamic -Wl,-z,relro -DTPID=$TN -I${SRC_DIR} ${LGCC_SRC}/so.cc -o ./lib${M}/$SO_NAME"
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echo ${CMD}
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${CMD} || exit 8
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done
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done
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DLOPEN_TESTS="dlopen.cc dlopen_mt.cc"
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $DLOPEN_TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fvtable-verify=std -fpic -rdynamic -Wl,-z,relro -Wl,-R,./lib${M} -I${SRC_DIR} ${TSRC} ${OL} -ldl -lpthread"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fvtable-verify=preinit -fpic -rdynamic -Wl,-z,relro ${TSRC} ${OL}"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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for M in $LDATA_MODELS; do
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if [ -f ./lib${M}/vtv_malloc.o ]; then
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/bin/rm ./lib${M}/vtv_malloc.o;
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fi
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CMD="${CXX} -m${M} -O2 -g -c -fpic ${SRC_DIR}/vtv_malloc.cc -o ./lib${M}/vtv_malloc.o"
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echo ${CMD}
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${CMD} || exit 3
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if [ -f ./lib${M}/vtv_utils.o ]; then
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/bin/rm ./lib${M}/vtv_utils.o;
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fi
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CMD="${CXX} -m${M} -O2 -g -c -fpic ${SRC_DIR}/vtv_utils.cc -o ./lib${M}/vtv_utils.o"
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echo ${CMD}
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${CMD} || exit 4
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done
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MEMPOOL_TESTS="mempool_positive.c mempool_negative.c"
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $MEMPOOL_TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fpic -rdynamic -I${SRC_DIR} ${TSRC} ${OL} ./lib${M}/vtv_malloc.o ./lib${M}/vtv_utils.o"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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# bkoz not working ATM signature mismatch
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#MT_TESTS="register_pair_mt.cc register_pair_inserts_mt.cc"
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MT_TESTS=
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $MT_TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fpic -rdynamic -I${SRC_DIR} ${TSRC} ${OL} -lpthread"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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# These test cases were written for performance measurements, not for
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# correctness but lets run them here so that we dont loose track of
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# them
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# bkoz not working ATM signature mismatch
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#PERF_TESTS="register_pair.cc register_pair_inserts.cc"
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PERF_TESTS=
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $PERF_TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fpic -rdynamic -I${SRC_DIR} ${TSRC} ${OL} "
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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PASS_FAIL_TESTS="field-test.cc temp_deriv.cc temp_deriv2.cc temp_deriv3.cc"
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $PASS_FAIL_TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fvtable-verify=std -fpic -rdynamic ${TSRC} ${OL} -Wl,-z,relro -DTPID"
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 )) || (( grep "Pass first attack" $T.$OL.out ) && echo "PASS $T $OL - correctly passed then failed.") || echo "FAIL $T $OL"
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done
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done
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done
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for T in $PERF_TESTS; do
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TSRC=${LGCC_SRC}/${T}
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for OL in $LOPT_LEVELS; do
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CMD="${CXX} -m${M} -fpic -rdynamic -I${SRC_DIR} ${TSRC} ${OL} "
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echo $CMD
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($CMD && ( ./a.out > $T.$OL.out 2>&1 ) && echo "PASS $T $OL") || echo "FAIL $T $OL"
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done
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done
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done
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for M in $LDATA_MODELS; do
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get_lib_path lib${M}
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for OL in $LOPT_LEVELS; do
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CMD="as --${M} -o environment-fail-${M}.o ${LGCC_SRC}/environment-fail-${M}.s"
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echo $CMD
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${CMD} || exit 5
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CMD="${CXX} -m${M} environment-fail-${M}.o -O0 -Wl,-z,relro -o environment-fail-${M}"
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echo ${CMD}
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# ${CMD} || exit 6
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# (./environment-fail-${M}) || echo "PASS environment-fail-${M} (correctly failed), ${OL}"
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CMD="${CXX} -fvtable-verify=std -m${M} environment-fail-${M}.o -O0 -Wl,-z,relro -o environment-fail-${M}"
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echo ${CMD}
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($CMD && ( ./environment-fail-${M} > environment-fail-${M}-stubs.out 2>&1 ) && echo "PASS environment-fail-${M} with libvtv_stubs ${OL}" ) || echo "FAIL environment-fail-${M} with libvtv_stubs ${OL}"
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CMD="${CXX} -m${M} ${LGCC_SRC}/replace-fail.cc -O0 -c -o replace-fail-${M}.o"
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echo ${CMD}
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${CMD} || exit 7
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CMD="${CXX} -fvtable-verify=std -m${M} environment-fail-${M}.o replace-fail-${M}.o -O0 -Wl,-z,relro -o environment-fail-${M}"
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echo ${CMD}
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($CMD && ( ./environment-fail-${M} > environment-fail-${M}-stubs.out 2>&1 ) && echo "PASS environment-fail-${M} with replace-fail ${OL}" ) || echo "FAIL environment-fail-${M} with replace-fail ${OL}"
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done
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done
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