Port libvtv to Solaris

	libstdc++-v3:
	* acinclude.m4 (GLIBCXX_ENABLE_VTABLE_VERIFY) <solaris2*>: Use
	-Wl,-R in VTV_CXXLINKFLAGS.
	* configure: Regenerate.

	* testsuite/18_support/bad_exception/23591_thread-1.c: Use
	-fvtable-verify=none on Solaris 12+.

	libgcc:
	* Makefile.in (VTV_CFLAGS): New variable.
	(vtv_start$(objext), vtv_end$(objext), vtv_end$(objext))
	(vtv_start_preinit$(objext), vtv_end_preinit$(objext)): Use it.
	* config.host (*-*-solaris2*): Add t-crtstuff-pic to tmake_file.
	Add vtv_start.o, vtv_end.o, vtv_start_preinit.o, vtv_end_preinit.o
	to extra_parts if $enable_vtable_verify = yes.

	libvtv:
	* configure.tgt (*-*-solaris2.[1-9]*): Declare supported.
	* configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
	<*-*-solaris2*>: Check for init priority support.
	Check for getexecname, __fortify_fail, _obstack_begin.
	(VTV_NO_OBSTACK): New conditional.
	* configure: Regenerate.
	* Makefile.am [VTV_NO_OBSTACK] (obstack.c): Use new condition.
	Create empty config.h
	* Makefile.in: Regenerate.

	* vtv_rts.cc [HAVE_GETEXECNAME] (program_invocation_name): New
	variable.
	(read_section_offset_and_length) [HAVE_GETEXECNAME]: Set it.
	(dl_iterate_phdr_callback) [HAVE_GETEXECNAME]: Set it.

	(__fortify_fail): Wrap in HAVE___FORTIFY_FAIL
	[!HAVE___FORTIFY_FAIL]: Provide non-Cygwin implementation.

	(read_section_offset_and_length): Assert sh_size >= VTV_PAGE_SIZE.
	(iterate_modules): Fix typo.
	Use VTV_PAGE_SIZE.
	(dl_iterate_phdr_callback): Fix typo.
	Use VTV_PAGE_SIZE.
	(__VLTChangePermission): Fix typos.

	include:
	* vtv-change-permission.h (VTV_PAGE_SIZE) [__sun__ && __svr4__ &&
	__sparc__]: Define.

	gcc:
	* config/sol2.h (SUPPORTS_INIT_PRIORITY): Move up.
	(STARTFILE_VTV_SPEC, ENDFILE_VTV_SPEC): Define.
	(STARTFILE_SPEC): Use %(startfile_vtv).
	(ENDFILE_SPEC): Use %(endfile_vtv).
	(SUBTARGET_EXTRA_SPECS): Handle STARTFILE_VTV_SPEC,
	ENDFILE_VTV_SPEC.

	* gcc.c (LINK_COMMAND_SPEC): Move VTABLE_VERIFICATION_SPEC after %{L*}.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230865 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 21 insertions, 4 deletions

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 6653fedcd06..dcd11a23516 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,12 @@
+2015-11-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* Makefile.in (VTV_CFLAGS): New variable.
+	(vtv_start$(objext), vtv_end$(objext), vtv_end$(objext))
+	(vtv_start_preinit$(objext), vtv_end_preinit$(objext)): Use it.
+	* config.host (*-*-solaris2*): Add t-crtstuff-pic to tmake_file.
+	Add vtv_start.o, vtv_end.o, vtv_start_preinit.o, vtv_end_preinit.o
+	to extra_parts if $enable_vtable_verify = yes.
+
 2015-11-23  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
 	PR target/68059
diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in
index 527d87b0310..6b0b3f22512 100644
--- a/libgcc/Makefile.in
+++ b/libgcc/Makefile.in
@@ -1006,17 +1006,22 @@ endif
 ifeq ($(enable_vtable_verify),yes)
 # These are used in vtable verification; see comments in source files for
 # more details.
+
+# Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv
+# compilations.
+VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive
+
 vtv_start$(objext): $(srcdir)/vtv_start.c
-	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_start.c
+	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c
 
 vtv_end$(objext): $(srcdir)/vtv_end.c
-	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_end.c
+	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c
 
 vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
-	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_start_preinit.c
+	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c
 
 vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
-	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_end_preinit.c
+	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c
 endif
 
 ifeq ($(CUSTOM_CRTIN),)
diff --git a/libgcc/config.host b/libgcc/config.host
index b63cc36d277..9a58beb7847 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -294,6 +294,9 @@ case ${host} in
         ;;
     esac
   fi
+  if test x$enable_vtable_verify = xyes; then
+    extra_parts="$extra_parts vtv_start.o vtv_end.o vtv_start_preinit.o vtv_end_preinit.o"
+  fi
   ;;
 *-*-uclinux*)
   extra_parts="crtbegin.o crtend.o"