/*
* Get contents of register REGNO in task TASK.
*/
unsigned long ptrace_get_reg(struct task_struct *task, int regno)
{
if (task->thread.regs == NULL)
return -EIO;
if (regno == PT_MSR)
return get_user_msr(task);
if (regno == PT_DSCR)
return get_user_dscr(task);
if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long)))
return ((unsigned long *)task->thread.regs)[regno];
return -EIO;
}
/*
* Get contents of register REGNO in task TASK.
*/
int ptrace_get_reg(struct task_struct *task, int regno, unsigned long *data)
{
if ((task->thread.regs == NULL) || !data)
return -EIO;
if (regno == PT_MSR) {
*data = get_user_msr(task);
return 0;
}
if (regno == PT_DSCR)
return get_user_dscr(task, data);
if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) {
*data = ((unsigned long *)task->thread.regs)[regno];
return 0;
}
return -EIO;
}
