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Igor Tsimbalist 1ecae1fc23 Enable building libgcc with CET options. 
Enable building libgcc with CET options by default on Linux/x86 if
binutils supports CET v2.0.  It can be disabled with --disable-cet.
It is an error to configure GCC with --enable-cet if bintuiils
doesn't support CET v2.0.

ENDBR instruction is added to __morestack_large_model since it is
called indirectly.

2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>

config/
	* cet.m4: New file.

gcc/
	* config.gcc (extra_headers): Add cet.h for x86 targets.
	* config/i386/cet.h: New file.
	* doc/install.texi: Add --enable-cet/--disable-cet.

libgcc/
	* Makefile.in (configure_deps): Add $(srcdir)/../config/cet.m4.
	(CET_FLAGS): New.
	* config/i386/morestack.S: Include <cet.h>.
	(__morestack_large_model): Add _CET_ENDBR at function entrance.
	* config/i386/resms64.h: Include <cet.h>.
	* config/i386/resms64f.h: Likewise.
	* config/i386/resms64fx.h: Likewise.
	* config/i386/resms64x.h: Likewise.
	* config/i386/savms64.h: Likewise.
	* config/i386/savms64f.h: Likewise.
	* config/i386/t-linux (HOST_LIBGCC2_CFLAGS): Add $(CET_FLAGS).
	(CRTSTUFF_T_CFLAGS): Likewise.
	* configure.ac: Include ../config/cet.m4.
	Set and substitute CET_FLAGS.
	* configure: Regenerated.

From-SVN: r254868
 		2017-11-17 14:34:39 +01:00
..
config Enable building libgcc with CET options. 2017-11-17 14:34:39 +01:00
soft-fp op-common.h (_FP_MUL, [...]): Add /* FALLTHRU */ comments. 2017-01-24 23:32:30 +01:00
ChangeLog Enable building libgcc with CET options. 2017-11-17 14:34:39 +01:00
Makefile.in Enable building libgcc with CET options. 2017-11-17 14:34:39 +01:00
config.host Adapt Solaris 12 references 2017-11-14 18:31:01 +00:00
config.in PR target/82196 addendum: Fix Darwin build breakage and test FAILS on Solaris 2017-09-23 11:02:54 +00:00
configure Enable building libgcc with CET options. 2017-11-17 14:34:39 +01:00
configure.ac Enable building libgcc with CET options. 2017-11-17 14:34:39 +01:00
crtstuff.c Update copyright years. 2017-01-01 13:07:43 +01:00
dfp-bit.c Update copyright years. 2017-01-01 13:07:43 +01:00
dfp-bit.h Update copyright years. 2017-01-01 13:07:43 +01:00
divmod.c Update copyright years. 2017-01-01 13:07:43 +01:00
empty.mk
…
emutls.c Update copyright years. 2017-01-01 13:07:43 +01:00
enable-execute-stack-empty.c enable-execute-stack-empty.c (__enable_execute_stack): Add prototype. 2011-06-22 13:20:07 +02:00
enable-execute-stack-mprotect.c Update copyright years. 2017-01-01 13:07:43 +01:00
find-symver.awk Update copyright years. 2017-01-01 13:07:43 +01:00
fixed-bit.c Update copyright years. 2017-01-01 13:07:43 +01:00
fixed-bit.h Update copyright years. 2017-01-01 13:07:43 +01:00
fixed-obj.mk Makefile.in (fixed-funcs,fixed-conv-funcs): filter-out LIB2FUNCS_EXCLUDE before adding them to libgcc-objects, libgcc-s-objects. 2012-08-23 15:41:03 +00:00
floatunsidf.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
floatunsisf.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
floatunsitf.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
floatunsixf.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
fp-bit.c Update copyright years. 2017-01-01 13:07:43 +01:00
fp-bit.h Update copyright years. 2017-01-01 13:07:43 +01:00
gbl-ctors.h Update copyright years. 2017-01-01 13:07:43 +01:00
gcov.h Introduce gcov.h header file (PR gcov-profile/80435). 2017-04-19 08:08:44 +00:00
gen-fixed.sh fixed-obj.mk: New file to support fine-grain fixed-point functions. 2007-09-17 22:18:13 +00:00
generic-morestack-thread.c Update copyright years. 2017-01-01 13:07:43 +01:00
generic-morestack.c Update copyright years. 2017-01-01 13:07:43 +01:00
generic-morestack.h Update copyright years. 2017-01-01 13:07:43 +01:00
gstdint.h dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined. 2008-06-11 00:43:09 +01:00
gthr-posix.h Update copyright years. 2017-01-01 13:07:43 +01:00
gthr-single.h Update copyright years. 2017-01-01 13:07:43 +01:00
gthr.h Update copyright years. 2017-01-01 13:07:43 +01:00
libgcc-std.ver.in Update copyright years. 2017-01-01 13:07:43 +01:00
libgcc2.c re PR target/82274 (__builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32) 2017-10-13 19:19:12 +02:00
libgcc2.h Update copyright years. 2017-01-01 13:07:43 +01:00
libgcov-driver-system.c Update copyright years. 2017-01-01 13:07:43 +01:00
libgcov-driver.c Validate that destination gcov file does not exist for gcov-tool (PR gcov-profile/78783). 2017-04-18 07:24:20 +00:00
libgcov-interface.c Update copyright years. 2017-01-01 13:07:43 +01:00
libgcov-merge.c Update copyright years. 2017-01-01 13:07:43 +01:00
libgcov-profiler.c Speed-up indirect-call instrumentation 2017-06-09 12:54:53 +00:00
libgcov-util.c Update copyright years. 2017-01-01 13:07:43 +01:00
libgcov.h re PR gcov-profile/81080 (target libgcov not built with large file support) 2017-06-21 07:01:34 +00:00
memcmp.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
memcpy.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
memmove.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
memset.c Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
mkheader.sh Update copyright years. 2017-01-01 13:07:43 +01:00
mkmap-flat.awk Update copyright years. 2017-01-01 13:07:43 +01:00
mkmap-symver.awk Update copyright years. 2017-01-01 13:07:43 +01:00
offloadstuff.c Update copyright years. 2017-01-01 13:07:43 +01:00
shared-object.mk Add the nvptx port. 2014-11-10 16:12:42 +00:00
siditi-object.mk Move libgcc2 to toplevel libgcc 2011-11-02 15:23:48 +00:00
static-object.mk Add the nvptx port. 2014-11-10 16:12:42 +00:00
sync.c Update copyright years. 2017-01-01 13:07:43 +01:00
udivmod.c Update copyright years. 2017-01-01 13:07:43 +01:00
udivmodsi4.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-arm-common.inc Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-c.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-compat.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-compat.h Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-dw2-fde-compat.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-dw2-fde-dip.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-dw2-fde.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-dw2-fde.h Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-dw2.c [AArch64] Only build & test pauth code for LP64 2017-01-20 21:03:41 +00:00
unwind-dw2.h Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-generic.h Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-pe.h Update copyright years. 2017-01-01 13:07:43 +01:00
unwind-seh.c unwind-seh.c: Suppress warnings for RtlUnwindEx calls. 2017-03-02 11:00:28 +00:00
unwind-sjlj.c Update copyright years. 2017-01-01 13:07:43 +01:00
unwind.inc Update copyright years. 2017-01-01 13:07:43 +01:00
vtv_end.c Update copyright years. 2017-01-01 13:07:43 +01:00
vtv_end_preinit.c Update copyright years. 2017-01-01 13:07:43 +01:00
vtv_start.c Update copyright years. 2017-01-01 13:07:43 +01:00
vtv_start_preinit.c Update copyright years. 2017-01-01 13:07:43 +01:00