static int putreg32(struct task_struct *child, unsigned regno, u32 val)
{
int i;
- __u64 *stack = (__u64 *)(child->thread.rsp0 - sizeof(struct pt_regs));
+ __u64 *stack = (__u64 *)task_pt_regs(child);
switch (regno) {
case offsetof(struct user32, regs.fs):
static int getreg32(struct task_struct *child, unsigned regno, u32 *val)
{
- __u64 *stack = (__u64 *)(child->thread.rsp0 - sizeof(struct pt_regs));
+ __u64 *stack = (__u64 *)task_pt_regs(child);
switch (regno) {
case offsetof(struct user32, regs.fs):
if (ret < 0)
goto out;
- childregs = (struct pt_regs *)(child->thread.rsp0 - sizeof(struct pt_regs));
+ childregs = task_pt_regs(child);
switch (request) {
case PTRACE_PEEKDATA: