Hi Peter, On 12/19, Peter Zijlstra wrote: > On Sun, Dec 18, 2022 at 10:17:58PM -0800, Dan Li wrote: > > > 1. When a typeid mismatch is detected, the cfi_check_failed function > > will be called instead of the brk instruction. This function needs > > to be implemented by the compiler user. > > If there are user mode programs or other systems that want to use > > this feature, it may be more convenient to use a callback (so this > > compilation option is set to -fsanitize=cfi instead of kcfi). > > This is not going to be acceptible for x86_64. I'm not familiar enough with the x86_64 platform, could you please tell me why this is not acceptable? Is there a similar situation on the arm64 platform? > > 5. The current implementation of gcc only supports the aarch64 platform. > > What, if any, are the plans for x86_64 support? I'd like to implement something similar on x86_64 later, but currently I'm doing this in my spare time, so it might take a little longer. :( Thanks, Dan
