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Qing Zhao 6fd6a2ffee Add a new option -flive-patching={inline-only-static|inline-clone}
to support live patching in GCC.

2018-11-29  qing zhao  <qing.zhao@oracle.com>

gcc/ChangeLog:

	* cif-code.def (EXTERN_LIVE_ONLY_STATIC): New CIF code.
	* common.opt: Add -flive-patching flag.
	* doc/invoke.texi: Document -flive-patching.
	* flag-types.h (enum live_patching_level): New enum.
	* ipa-inline.c (can_inline_edge_p): Disable external functions from
	inlining when flag_live_patching is LIVE_PATCHING_INLINE_ONLY_STATIC.
	* opts.c (control_options_for_live_patching): New function.
	(finish_options): Make flag_live_patching incompatible with flag_lto.
	Control IPA optimizations based on different levels of 
	flag_live_patching.

gcc/testsuite/ChangeLog:

	* gcc.dg/live-patching-1.c: New test.
	* gcc.dg/live-patching-2.c: New test.
	* gcc.dg/live-patching-3.c: New test.
	* gcc.dg/tree-ssa/writeonly-3.c: New test.
	* gcc.target/i386/ipa-stack-alignment-2.c: New test.

From-SVN: r266627
2018-11-29 16:06:03 +00:00
config
contrib Add filters for D language sources to contrib/update-copyright.py 2018-11-26 21:59:04 +00:00
fixincludes
gcc Add a new option -flive-patching={inline-only-static|inline-clone} 2018-11-29 16:06:03 +00:00
gnattools PR81878: fix --disable-bootstrap --enable-languages=ada 2018-11-20 00:07:47 +00:00
gotools
include
INSTALL
intl
libada
libatomic
libbacktrace [libbacktrace] Fix segfault upon allocation failure 2018-11-28 14:06:23 +00:00
libcc1 Eliminate source_location in favor of location_t 2018-11-13 20:05:03 +00:00
libcpp PR preprocessor/83173: Enhance -fdump-internal-locations output 2018-11-27 16:04:31 +00:00
libdecnumber
libffi
libgcc [RS6000] libgcc cfi 2018-11-27 12:29:56 +10:30
libgfortran Make recursion_check work for multiple threads 2018-11-23 22:42:03 +02:00
libgo compiler: add '$' to names in expression export data 2018-11-27 21:25:58 +00:00
libgomp re PR tree-optimization/88182 (ICE in vectorizable_reduction, at tree-vect-loop.c:6465) 2018-11-28 08:29:16 +00:00
libhsail-rt
libiberty
libitm
libobjc
liboffloadmic
libphobos libphobos: Merge common version blocks using arch_any conditions 2018-11-28 21:53:06 +00:00
libquadmath
libsanitizer
libssp
libstdc++-v3 Only include bits/stl_algo.h for C++20. 2018-11-29 15:17:17 +00:00
libvtv
lto-plugin
maintainer-scripts Add new maintainer script for PRs that can be closed. 2018-11-22 14:05:54 +00:00
zlib
.dir-locals.el
.gitattributes
.gitignore
ABOUT-NLS
ar-lib
ChangeLog Add myself to MAINTAINERS 2018-11-28 08:21:15 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in
config.guess
config.rpath
config.sub
configure
configure.ac
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.RUNTIME
depcomp
install-sh
libtool-ldflags
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS Changed email ID to existing one. 2018-11-28 19:55:28 +05:30
Makefile.def
Makefile.in
Makefile.tpl
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multilib.am
README
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test-driver
ylwrap

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