re PR sanitizer/84250 (Symbol collision when using both Address and Undefined…

re PR sanitizer/84250 (Symbol collision when using both Address and Undefined Behavior sanitizers (-fsanitize=address,undefined))

gcc/

2018-07-04  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR sanitizer/84250
	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Pass -lstdc++ for static
	libasan.
	* gcc.c: Do not pass LIBUBSAN_SPEC if ASan is enabled with UBSan.

libsanitizer/

2018-07-04  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR sanitizer/84250
	* Makefile.am: Reorder libs.
	* Makefile.in: Regenerate.
	* asan/Makefile.am: Define DCAN_SANITIZE_UB=1, add dependancy from
	libsanitizer_ubsan.la.
	* asan/Makefile.in: Regenerate.
	* ubsan/Makefile.am: Define new libsanitizer_ubsan.la library.
	* ubsan/Makefile.in: Regenerate.

From-SVN: r262421

gcc/ChangeLog

+2018-07-04  Maxim Ostapenko  <m.ostapenko@samsung.com>
+
+	PR sanitizer/84250
+	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Pass -lstdc++ for static
+	libasan.
+	* gcc.c: Do not pass LIBUBSAN_SPEC if ASan is enabled with UBSan.
+
 2018-07-04  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR middle-end/86380

gcc/config/gnu-user.h

@@ -161,7 +161,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
   "%{static-libasan:%{!shared:" \
   LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
-  LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
+  LD_DYNAMIC_OPTION " -lstdc++ }}%{!static-libasan:-lasan}"
 #undef LIBTSAN_EARLY_SPEC
 #define LIBTSAN_EARLY_SPEC "%{!shared:libtsan_preinit%O%s} " \
   "%{static-libtsan:%{!shared:" \

gcc/gcc.c

@@ -993,7 +993,7 @@ proper position among the other output files.  */
     %{static:%ecannot specify -static with -fsanitize=address}}\
     %{%:sanitize(thread):" LIBTSAN_SPEC "\
     %{static:%ecannot specify -static with -fsanitize=thread}}\
-    %{%:sanitize(undefined):" LIBUBSAN_SPEC "}\
+    %{!%:sanitize(address):%{%:sanitize(undefined):" LIBUBSAN_SPEC "}}\
     %{%:sanitize(leak):" LIBLSAN_SPEC "}}}"
 #endif
 

libsanitizer/ChangeLog

+2018-07-04  Maxim Ostapenko  <m.ostapenko@samsung.com>
+
+	PR sanitizer/84250
+	* Makefile.am: Reorder libs.
+	* Makefile.in: Regenerate.
+	* asan/Makefile.am: Define DCAN_SANITIZE_UB=1, add dependancy from
+	libsanitizer_ubsan.la.
+	* asan/Makefile.in: Regenerate.
+	* ubsan/Makefile.am: Define new libsanitizer_ubsan.la library.
+	* ubsan/Makefile.in: Regenerate.
+
 2018-06-13  Denis Khalikov  <d.khalikov@partner.samsung.com>
 
         PR sanitizer/86090

libsanitizer/Makefile.am

@@ -14,7 +14,7 @@ endif
 if LIBBACKTRACE_SUPPORTED
 SUBDIRS += libbacktrace
 endif
-SUBDIRS += lsan asan ubsan
+SUBDIRS += lsan ubsan asan
 nodist_saninclude_HEADERS += \
   include/sanitizer/lsan_interface.h \
   include/sanitizer/asan_interface.h \

libsanitizer/Makefile.in

@@ -140,8 +140,8 @@ AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
 	$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS
 ETAGS = etags
 CTAGS = ctags
-DIST_SUBDIRS = sanitizer_common interception libbacktrace lsan asan \
-	ubsan tsan
+DIST_SUBDIRS = sanitizer_common interception libbacktrace lsan ubsan \
+	asan tsan
 ACLOCAL = @ACLOCAL@
 ALLOC_FILE = @ALLOC_FILE@
 AMTAR = @AMTAR@
@@ -294,7 +294,7 @@ ACLOCAL_AMFLAGS = -I .. -I ../config
 sanincludedir = $(libdir)/gcc/$(target_alias)/$(gcc_version)/include/sanitizer
 nodist_saninclude_HEADERS = $(am__append_1)
 @SANITIZER_SUPPORTED_TRUE@SUBDIRS = sanitizer_common $(am__append_2) \
-@SANITIZER_SUPPORTED_TRUE@	$(am__append_3) lsan asan ubsan \
+@SANITIZER_SUPPORTED_TRUE@	$(am__append_3) lsan ubsan asan \
 @SANITIZER_SUPPORTED_TRUE@	$(am__append_4)
 gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
 

libsanitizer/asan/Makefile.am

@@ -3,7 +3,7 @@ AM_CPPFLAGS = -I $(top_srcdir)/include -I $(top_srcdir)
 # May be used by toolexeclibdir.
 gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
 
-DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DASAN_HAS_EXCEPTIONS=1 -DASAN_NEEDS_SEGV=1 -DCAN_SANITIZE_UB=0
+DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DASAN_HAS_EXCEPTIONS=1 -DASAN_NEEDS_SEGV=1 -DCAN_SANITIZE_UB=1
 if USING_MAC_INTERPOSE
 DEFS += -DMAC_INTERPOSE_FUNCTIONS -DMISSING_BLOCKS_SUPPORT
 endif
@@ -48,7 +48,7 @@ asan_files = \
 	asan_win_dynamic_runtime_thunk.cc
 
 libasan_la_SOURCES = $(asan_files)
-libasan_la_LIBADD = $(top_builddir)/sanitizer_common/libsanitizer_common.la $(top_builddir)/lsan/libsanitizer_lsan.la
+libasan_la_LIBADD = $(top_builddir)/sanitizer_common/libsanitizer_common.la $(top_builddir)/lsan/libsanitizer_lsan.la $(top_builddir)/ubsan/libsanitizer_ubsan.la
 if !USING_MAC_INTERPOSE
 libasan_la_LIBADD += $(top_builddir)/interception/libinterception.la
 endif

libsanitizer/asan/Makefile.in

@@ -110,7 +110,8 @@ LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
 am__DEPENDENCIES_1 =
 libasan_la_DEPENDENCIES =  \
 	$(top_builddir)/sanitizer_common/libsanitizer_common.la \
-	$(top_builddir)/lsan/libsanitizer_lsan.la $(am__append_2) \
+	$(top_builddir)/lsan/libsanitizer_lsan.la \
+	$(top_builddir)/ubsan/libsanitizer_ubsan.la $(am__append_2) \
 	$(am__append_3) $(am__DEPENDENCIES_1)
 am__objects_1 = asan_activation.lo asan_allocator.lo asan_debugging.lo \
 	asan_descriptions.lo asan_errors.lo asan_fake_stack.lo \
@@ -176,7 +177,7 @@ CYGPATH_W = @CYGPATH_W@
 DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS \
 	-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS \
 	-DASAN_HAS_EXCEPTIONS=1 -DASAN_NEEDS_SEGV=1 \
-	-DCAN_SANITIZE_UB=0 $(am__append_1)
+	-DCAN_SANITIZE_UB=1 $(am__append_1)
 DEPDIR = @DEPDIR@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
@@ -346,7 +347,8 @@ asan_files = \
 libasan_la_SOURCES = $(asan_files)
 libasan_la_LIBADD =  \
 	$(top_builddir)/sanitizer_common/libsanitizer_common.la \
-	$(top_builddir)/lsan/libsanitizer_lsan.la $(am__append_2) \
+	$(top_builddir)/lsan/libsanitizer_lsan.la \
+	$(top_builddir)/ubsan/libsanitizer_ubsan.la $(am__append_2) \
 	$(am__append_3) $(LIBSTDCXX_RAW_CXX_LDFLAGS)
 libasan_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(link_libasan)
 

libsanitizer/ubsan/Makefile.am

@@ -11,6 +11,7 @@ AM_CXXFLAGS += $(EXTRA_CXXFLAGS)
 ACLOCAL_AMFLAGS = -I m4
 
 toolexeclib_LTLIBRARIES = libubsan.la
+noinst_LTLIBRARIES = libsanitizer_ubsan.la
 
 ubsan_plugin_files = \
 	ubsan_diag.cc \
@@ -25,7 +26,10 @@ ubsan_plugin_files = \
 
 ubsan_files = $(ubsan_plugin_files)
 
-libubsan_la_SOURCES = $(ubsan_files) 
+libsanitizer_ubsan_la_SOURCES = $(ubsan_plugin_files)
+libsanitizer_ubsan_la_LIBADD = $(LIBSTDCXX_RAW_CXX_LDFLAGS)
+
+libubsan_la_SOURCES = $(ubsan_files)
 libubsan_la_LIBADD = $(top_builddir)/sanitizer_common/libsanitizer_common.la 
 if !USING_MAC_INTERPOSE
 libubsan_la_LIBADD += $(top_builddir)/interception/libinterception.la

libsanitizer/ubsan/Makefile.in

@@ -103,15 +103,18 @@ am__uninstall_files_from_dir = { \
          $(am__cd) "$$dir" && rm -f $$files; }; \
   }
 am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
-LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
+LTLIBRARIES = $(noinst_LTLIBRARIES) $(toolexeclib_LTLIBRARIES)
 am__DEPENDENCIES_1 =
-libubsan_la_DEPENDENCIES =  \
-	$(top_builddir)/sanitizer_common/libsanitizer_common.la \
-	$(am__append_1) $(am__append_2) $(am__DEPENDENCIES_1)
+libsanitizer_ubsan_la_DEPENDENCIES = $(am__DEPENDENCIES_1)
 am__objects_1 = ubsan_diag.lo ubsan_flags.lo ubsan_handlers.lo \
 	ubsan_handlers_cxx.lo ubsan_init.lo ubsan_type_hash.lo \
 	ubsan_type_hash_itanium.lo ubsan_type_hash_win.lo \
 	ubsan_value.lo
+am_libsanitizer_ubsan_la_OBJECTS = $(am__objects_1)
+libsanitizer_ubsan_la_OBJECTS = $(am_libsanitizer_ubsan_la_OBJECTS)
+libubsan_la_DEPENDENCIES =  \
+	$(top_builddir)/sanitizer_common/libsanitizer_common.la \
+	$(am__append_1) $(am__append_2) $(am__DEPENDENCIES_1)
 am__objects_2 = $(am__objects_1)
 am_libubsan_la_OBJECTS = $(am__objects_2)
 libubsan_la_OBJECTS = $(am_libubsan_la_OBJECTS)
@@ -131,7 +134,7 @@ CXXLD = $(CXX)
 CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
 	$(LDFLAGS) -o $@
-SOURCES = $(libubsan_la_SOURCES)
+SOURCES = $(libsanitizer_ubsan_la_SOURCES) $(libubsan_la_SOURCES)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
@@ -298,6 +301,7 @@ AM_CXXFLAGS = -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic \
 	-std=gnu++11 $(EXTRA_CXXFLAGS)
 ACLOCAL_AMFLAGS = -I m4
 toolexeclib_LTLIBRARIES = libubsan.la
+noinst_LTLIBRARIES = libsanitizer_ubsan.la
 ubsan_plugin_files = \
 	ubsan_diag.cc \
 	ubsan_flags.cc \
@@ -310,7 +314,9 @@ ubsan_plugin_files = \
 	ubsan_value.cc
 
 ubsan_files = $(ubsan_plugin_files)
-libubsan_la_SOURCES = $(ubsan_files) 
+libsanitizer_ubsan_la_SOURCES = $(ubsan_plugin_files)
+libsanitizer_ubsan_la_LIBADD = $(LIBSTDCXX_RAW_CXX_LDFLAGS)
+libubsan_la_SOURCES = $(ubsan_files)
 libubsan_la_LIBADD =  \
 	$(top_builddir)/sanitizer_common/libsanitizer_common.la \
 	$(am__append_1) $(am__append_2) $(LIBSTDCXX_RAW_CXX_LDFLAGS)
@@ -389,6 +395,15 @@ $(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
 install-toolexeclibLTLIBRARIES: $(toolexeclib_LTLIBRARIES)
 	@$(NORMAL_INSTALL)
 	@list='$(toolexeclib_LTLIBRARIES)'; test -n "$(toolexeclibdir)" || list=; \
@@ -421,6 +436,8 @@ clean-toolexeclibLTLIBRARIES:
 	  echo "rm -f \"$${dir}/so_locations\""; \
 	  rm -f "$${dir}/so_locations"; \
 	done
+libsanitizer_ubsan.la: $(libsanitizer_ubsan_la_OBJECTS) $(libsanitizer_ubsan_la_DEPENDENCIES) $(EXTRA_libsanitizer_ubsan_la_DEPENDENCIES) 
+	$(CXXLINK)  $(libsanitizer_ubsan_la_OBJECTS) $(libsanitizer_ubsan_la_LIBADD) $(LIBS)
 libubsan.la: $(libubsan_la_OBJECTS) $(libubsan_la_DEPENDENCIES) $(EXTRA_libubsan_la_DEPENDENCIES) 
 	$(libubsan_la_LINK) -rpath $(toolexeclibdir) $(libubsan_la_OBJECTS) $(libubsan_la_LIBADD) $(LIBS)
 
@@ -557,8 +574,8 @@ maintainer-clean-generic:
 	@echo "it deletes files that may require special tools to rebuild."
 clean: clean-am
 
-clean-am: clean-generic clean-libtool clean-toolexeclibLTLIBRARIES \
-	mostlyclean-am
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	clean-toolexeclibLTLIBRARIES mostlyclean-am
 
 distclean: distclean-am
 	-rm -rf ./$(DEPDIR)
@@ -629,18 +646,19 @@ uninstall-am: uninstall-toolexeclibLTLIBRARIES
 .MAKE: install-am install-strip
 
 .PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
-	clean-libtool clean-toolexeclibLTLIBRARIES ctags distclean \
-	distclean-compile distclean-generic distclean-libtool \
-	distclean-tags dvi dvi-am html html-am info info-am install \
-	install-am install-data install-data-am install-dvi \
-	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-ps install-ps-am \
-	install-strip install-toolexeclibLTLIBRARIES installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
-	tags uninstall uninstall-am uninstall-toolexeclibLTLIBRARIES
+	clean-libtool clean-noinstLTLIBRARIES \
+	clean-toolexeclibLTLIBRARIES ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags dvi dvi-am \
+	html html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip \
+	install-toolexeclibLTLIBRARIES installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am uninstall-toolexeclibLTLIBRARIES
 
 
 # Use special rules for files that require RTTI support.