static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = task_thread_info(tsk);
- void *ptr = &thread->fpstate;
if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
return -ENODATA;
iwmmxt_task_disable(thread); /* force it to ram */
- /* The iWMMXt state is stored doubleword-aligned. */
- if (((long) ptr) & 4)
- ptr += 4;
- return copy_to_user(ufp, ptr, 0x98) ? -EFAULT : 0;
+ return copy_to_user(ufp, &thread->fpstate.iwmmxt, IWMMXT_SIZE)
+ ? -EFAULT : 0;
}
/*
static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = task_thread_info(tsk);
- void *ptr = &thread->fpstate;
if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
return -EACCES;
iwmmxt_task_release(thread); /* force a reload */
- /* The iWMMXt state is stored doubleword-aligned. */
- if (((long) ptr) & 4)
- ptr += 4;
- return copy_from_user(ptr, ufp, 0x98) ? -EFAULT : 0;
+ return copy_from_user(&thread->fpstate.iwmmxt, ufp, IWMMXT_SIZE)
+ ? -EFAULT : 0;
}
#endif
(unsigned long __user *) data);
break;
+ case PTRACE_SET_SYSCALL:
+ ret = 0;
+ child->ptrace_message = data;
+ break;
+
default:
ret = ptrace_request(child, request, addr, data);
break;
return ret;
}
-asmlinkage void syscall_trace(int why, struct pt_regs *regs)
+asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
{
unsigned long ip;
if (!test_thread_flag(TIF_SYSCALL_TRACE))
- return;
+ return scno;
if (!(current->ptrace & PT_PTRACED))
- return;
+ return scno;
/*
* Save IP. IP is used to denote syscall entry/exit:
ip = regs->ARM_ip;
regs->ARM_ip = why;
+ current->ptrace_message = scno;
+
/* the 0x80 provides a way for the tracing parent to distinguish
between a syscall stop and SIGTRAP delivery */
ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
current->exit_code = 0;
}
regs->ARM_ip = ip;
+
+ return current->ptrace_message;
}