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Port libvtv to Solaris

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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
This commit is contained in:
Rainer Orth 2015-11-28 16:39:32 +00:00 committed by Pedro Alves
parent f4936735c5
commit 87746c154a
2 changed files with 9 additions and 0 deletions
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5
include/ChangeLog
View file

@ -1,3 +1,8 @@
2015-11-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* vtv-change-permission.h (VTV_PAGE_SIZE) [__sun__ && __svr4__ &&
__sparc__]: Define.
2015-11-09 Alan Modra <amodra@gmail.com>
PR gdb/17133

4
include/vtv-change-permission.h
View file

@ -46,8 +46,12 @@ extern void __VLTChangePermission (int);
/* TODO - Replace '4096' below with correct big page size. */
#define VTV_PAGE_SIZE 4096
#else
#if defined(__sun__) && defined(__svr4__) && defined(__sparc__)
#define VTV_PAGE_SIZE 8192
#else
#define VTV_PAGE_SIZE 4096
#endif
#endif