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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: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Simon Marchi 2012-12-17 20:08:10 -05:00 committed by Chris Metcalf
parent 7be68284bd
commit 9af6254767
1 changed files with 6 additions and 9 deletions
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15
arch/tile/kernel/ptrace.c
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@ -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. */