On Thu, Mar 30, 2017 at 12:21 PM, Andy Lutomirski <l...@amacapital.net> wrote: > > Huh? Aren't those REX prefixes interpreted as INC instructions or > similar in compat mode?
Hmm. I think you're right. So it's not like x32 that runs in long mode
but then would use the 64-bit ptrace interface anyway.
Your statement that 64-bit gdb sometimes uses 32-bit compat ptrace
makes me shudder. Why?
Don't even tell me. I suspect I'm happier not knowing.
Linus
