[SPARC64]: Add dummy PTRACE_PEEKUSR for gdb.



GDB uses a PTRACE_PEEKUSR call with offset 0 to see
if a thread is alive, so provide a success return for
this particular special case.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 67644726

arch/sparc64/kernel/ptrace.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -244,6 +244,13 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
		}

		switch(request) {
		case PTRACE_PEEKUSR:
		if (addr != 0)
		pt_error_return(regs, EIO);
		else
		pt_succ_return(regs, 0);
		goto out_tsk;

		case PTRACE_PEEKTEXT: /* read word at location addr. */
		case PTRACE_PEEKDATA: {
		unsigned long tmp64;