This series of patches is mainly used to support the control flow integrity protection of the linux kernel [1], which is similar to -fsanitize=kcfi in clang 16.0 [2,3]. Any suggestion please let me know :). Thanks, Dan. [1] https://lore.kernel.org/all/20220908215504.3686827-1-samitolvanen@xxxxxxxxxx/ [2] https://clang.llvm.org/docs/ControlFlowIntegrity.html [3] https://reviews.llvm.org/D119296 Signed-off-by: Dan Li <ashimida.1990@xxxxxxxxx> --- Dan Li (3): [PR102768] flag-types.h (enum sanitize_code): Extend sanitize_code to 64 bits to support more features [PR102768] Support CFI: Add basic support for Kernel Control Flow Integrity [PR102768] aarch64: Add support for Kernel Control Flow Integrity gcc/asan.h | 4 +- gcc/c-family/c-attribs.cc | 10 +- gcc/c-family/c-common.h | 2 +- gcc/c/c-parser.cc | 4 +- gcc/cfgexpand.cc | 26 ++++++ gcc/cgraphunit.cc | 34 +++++++ gcc/combine.cc | 1 + gcc/common.opt | 4 +- gcc/config/aarch64/aarch64.cc | 166 ++++++++++++++++++++++++++++++++++ gcc/cp/typeck.cc | 2 +- gcc/doc/invoke.texi | 36 ++++++++ gcc/doc/tm.texi | 27 ++++++ gcc/doc/tm.texi.in | 8 ++ gcc/dwarf2asm.cc | 2 +- gcc/emit-rtl.cc | 1 + gcc/emit-rtl.h | 4 + gcc/final.cc | 24 ++++- gcc/flag-types.h | 67 +++++++------- gcc/gimple.cc | 11 +++ gcc/gimple.h | 5 +- gcc/opt-suggestions.cc | 2 +- gcc/opts.cc | 26 +++--- gcc/opts.h | 8 +- gcc/output.h | 3 + gcc/reg-notes.def | 1 + gcc/target.def | 38 ++++++++ gcc/toplev.cc | 4 + gcc/tree-cfg.cc | 2 +- gcc/tree.cc | 144 +++++++++++++++++++++++++++++ gcc/tree.h | 1 + gcc/varasm.cc | 26 ++++++ 31 files changed, 627 insertions(+), 66 deletions(-) -- 2.17.1
