On Mon, Dec 19, 2022 at 3:59 PM Dan Li via Gcc-patches <gcc-patches@xxxxxxxxxxx> wrote: > > 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]. > > I hope that this feature will also support user-mode CFI in the > future (at least for developers who can recompile the runtime), > so I use -fsanitize=cfi as a compilation option here. > > Any suggestion please let me know :). Do you have this series as a branch somewhere that we could also try for x86? > > 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 > > Dan Li (3): > [PR102768] flag-types.h (enum sanitize_code): Extend sanitize_code to > 64 bits to support more features > [PR102768] Support CFI: Add new pass for Control Flow Integrity > [PR102768] aarch64: Add support for Control Flow Integrity > > Signed-off-by: Dan Li <ashimida.1990@xxxxxxxxx> > > --- > gcc/Makefile.in | 1 + > 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/cgraphunit.cc | 34 +++ > gcc/common.opt | 4 +- > gcc/config/aarch64/aarch64.cc | 106 ++++++++ > gcc/cp/typeck.cc | 2 +- > gcc/doc/invoke.texi | 35 +++ > gcc/doc/passes.texi | 10 + > gcc/doc/tm.texi | 27 +++ > gcc/doc/tm.texi.in | 8 + > gcc/dwarf2asm.cc | 2 +- > gcc/flag-types.h | 67 ++--- > gcc/opt-suggestions.cc | 2 +- > gcc/opts.cc | 26 +- > gcc/opts.h | 8 +- > gcc/output.h | 3 + > gcc/passes.def | 1 + > gcc/target.def | 39 +++ > .../aarch64/control_flow_integrity_1.c | 14 ++ > .../aarch64/control_flow_integrity_2.c | 25 ++ > .../aarch64/control_flow_integrity_3.c | 23 ++ > gcc/toplev.cc | 4 + > gcc/tree-cfg.cc | 2 +- > gcc/tree-cfi.cc | 229 ++++++++++++++++++ > gcc/tree-pass.h | 1 + > gcc/tree.cc | 144 +++++++++++ > gcc/tree.h | 1 + > gcc/varasm.cc | 29 +++ > 31 files changed, 803 insertions(+), 64 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/aarch64/control_flow_integrity_1.c > create mode 100644 gcc/testsuite/gcc.target/aarch64/control_flow_integrity_2.c > create mode 100644 gcc/testsuite/gcc.target/aarch64/control_flow_integrity_3.c > create mode 100644 gcc/tree-cfi.cc > > -- > 2.17.1 > -- BR, Hongtao
