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Commit 9af62547 authored by Simon Marchi's avatar Simon Marchi Committed by Chris Metcalf
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arch/tile: implement arch_ptrace using user_regset on tile 



This patch changes arch_ptrace on tile so that it uses user_regset
to implement the PTRACE_GETREGS and PTRACE_SETREGS operations.

Signed-off-by: default avatarSimon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 7be68284

arch/tile/kernel/ptrace.c

+6 −9
Original line number Diff line number Diff line
@@ -193,18 +193,15 @@ long arch_ptrace(struct task_struct *child, long request, 
		break;



	case PTRACE_GETREGS:  /* Get all registers from the child. */

		if (copy_to_user(datap, getregs(child, &copyregs),

				 sizeof(struct pt_regs)) == 0) {

			ret = 0;

		}

		ret = copy_regset_to_user(child, &tile_user_regset_view,

					  REGSET_GPR, 0,

					  sizeof(struct pt_regs), datap);

		break;



	case PTRACE_SETREGS:  /* Set all registers in the child. */

		if (copy_from_user(&copyregs, datap,

				   sizeof(struct pt_regs)) == 0) {

			putregs(child, &copyregs);

			ret = 0;

		}

		ret = copy_regset_from_user(child, &tile_user_regset_view,

					    REGSET_GPR, 0,

					    sizeof(struct pt_regs), datap);

		break;



	case PTRACE_GETFPREGS:  /* Get the child FPU state. */