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Diffstat (limited to 'arch/arm26/kernel/ptrace.c')
-rw-r--r--arch/arm26/kernel/ptrace.c49
1 files changed, 1 insertions, 48 deletions
diff --git a/arch/arm26/kernel/ptrace.c b/arch/arm26/kernel/ptrace.c
index cf7e977d18c8..4e6b7356a722 100644
--- a/arch/arm26/kernel/ptrace.c
+++ b/arch/arm26/kernel/ptrace.c
@@ -546,7 +546,7 @@ static int ptrace_setfpregs(struct task_struct *tsk, void *ufp)
546 sizeof(struct user_fp)) ? -EFAULT : 0; 546 sizeof(struct user_fp)) ? -EFAULT : 0;
547} 547}
548 548
549static int do_ptrace(int request, struct task_struct *child, long addr, long data) 549long arch_ptrace(struct task_struct *child, long request, long addr, long data)
550{ 550{
551 unsigned long tmp; 551 unsigned long tmp;
552 int ret; 552 int ret;
@@ -665,53 +665,6 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
665 return ret; 665 return ret;
666} 666}
667 667
668asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
669{
670 struct task_struct *child;
671 int ret;
672
673 lock_kernel();
674 ret = -EPERM;
675 if (request == PTRACE_TRACEME) {
676 /* are we already being traced? */
677 if (current->ptrace & PT_PTRACED)
678 goto out;
679 ret = security_ptrace(current->parent, current);
680 if (ret)
681 goto out;
682 /* set the ptrace bit in the process flags. */
683 current->ptrace |= PT_PTRACED;
684 ret = 0;
685 goto out;
686 }
687 ret = -ESRCH;
688 read_lock(&tasklist_lock);
689 child = find_task_by_pid(pid);
690 if (child)
691 get_task_struct(child);
692 read_unlock(&tasklist_lock);
693 if (!child)
694 goto out;
695
696 ret = -EPERM;
697 if (pid == 1) /* you may not mess with init */
698 goto out_tsk;
699
700 if (request == PTRACE_ATTACH) {
701 ret = ptrace_attach(child);
702 goto out_tsk;
703 }
704 ret = ptrace_check_attach(child, request == PTRACE_KILL);
705 if (ret == 0)
706 ret = do_ptrace(request, child, addr, data);
707
708out_tsk:
709 put_task_struct(child);
710out:
711 unlock_kernel();
712 return ret;
713}
714
715asmlinkage void syscall_trace(int why, struct pt_regs *regs) 668asmlinkage void syscall_trace(int why, struct pt_regs *regs)
716{ 669{
717 unsigned long ip; 670 unsigned long ip;