Hi, I have 2 patches to enable CET in libffi on users/hjl/cet/master branch at:
https://gitlab.com/x86-gcc/gcc/-/commits/users/hjl/cet/master They use FFI_EXEC_TRAMPOLINE_TABLE to avoid changing libffi ABI. I tested it on Tiger Lake with CC="cc" CXX="g++" RUNTESTFLAGS="--target_board='unix{-fcf-protection,-m32\ -fcf-protection\ -mx32\ -fcf-protection}'" /export/gnu/import/git/gitlab/x86-gcc/configure --enable-cet --with-demangler-in-ld --prefix=/usr/gcc-11.0.0-cet-x32 --with-local-prefix=/usr/local --enable-gnu-indirect-function --enable-clocale=gnu --with-system-zlib --with-target-system-zlib --with-fpmath=sse --with-multilib-list=m32,m64,mx32 --enable-linker-build-id --enable-gnu-unique-object --with-build-config=bootstrap-cet --with-multilib-list=m64,mx32,m32 --enable-languages=c,c++,fortran,go Test results look reasonable. Should I submit them for GCC 11? -- H.J.
