Re: [PATCHv2 5/6] x86/ptrace: down with test_thread_flag(TIF_IA32)

From: Andy Lutomirski
Date: Wed Jul 06 2016 - 10:32:51 EST


On Wed, Jun 29, 2016 at 3:57 AM, Dmitry Safonov <dsafonov@xxxxxxxxxxxxx> wrote:
> As the task isn't executing at the moment of {GET,SET}REGS,
> return regset that corresponds to code selector, rather than
> value of TIF_IA32 flag.
> I.e. if we ptrace i386 elf binary that has just changed it's
> code selector to __USER_CS, than GET_REGS will return
> full x86_64 register set.

Pedro, I think this will cause gdb to be a little less broken than it
is now. Am I right? Will this break anything?

--Andy