At Wed, 21 Jan 2015 09:51:34 +0100,
Arnd Bergmann wrote:
>
> On Wednesday 21 January 2015 13:31:47 Yoshinori Sato wrote:
>
> > +long arch_ptrace(struct task_struct *child, long request,
> > + unsigned long addr, unsigned long data)
> > +{
> > + int ret;
> > + int regno = addr >> 2;
> > + unsigned long __user *datap = (unsigned long __user *) data;
> > +
> > + switch (request) {
> > + /* read the word at location addr in the USER area. */
> > + case PTRACE_PEEKUSR: {
> ...
> > + case PTRACE_POKEUSR: /* write the word at location addr
> ...
> > + case PTRACE_GETREGS: { /* Get all gp regs from the child. */
> ...
> > + case PTRACE_SETREGS: { /* Set all gp regs in the child. */
>
> For modern architecture implementations, we now use 'regset' to
> abstract these, and simplify the arch_ptrace interface to
> a single ptrace_request call. See openrisc or arm64 as examples.
>
Yes. This files use old implementation.
I will rewrite V2 patch.
> Arnd
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