Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[pandora-kernel.git] / arch / avr32 / kernel / ptrace.c

diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
index 1fed38f..5e73c25 100644 (file)
--- a/arch/avr32/kernel/ptrace.c
+++ b/arch/avr32/kernel/ptrace.c
@@ -28,9 +28,9 @@ static struct pt_regs *get_user_regs(struct task_struct *tsk)
                                  THREAD_SIZE - sizeof(struct pt_regs));
 }
 
-static void ptrace_single_step(struct task_struct *tsk)
+void user_enable_single_step(struct task_struct *tsk)
 {
-       pr_debug("ptrace_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
+       pr_debug("user_enable_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
                 tsk->pid, task_pt_regs(tsk)->pc, task_pt_regs(tsk)->sr);
 
        /*
@@ -49,6 +49,11 @@ static void ptrace_single_step(struct task_struct *tsk)
        set_tsk_thread_flag(tsk, TIF_SINGLE_STEP);
 }
 
+void user_disable_single_step(struct task_struct *child)
+{
+       /* XXX(hch): a no-op here seems wrong.. */
+}
+
 /*
  * Called by kernel/ptrace.c when detaching
  *
@@ -167,50 +172,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                ret = ptrace_write_user(child, addr, data);
                break;
 
-       /* continue and stop at next (return from) syscall */
-       case PTRACE_SYSCALL:
-       /* restart after signal */
-       case PTRACE_CONT:
-               ret = -EIO;
-               if (!valid_signal(data))
-                       break;
-               if (request == PTRACE_SYSCALL)
-                       set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-               else
-                       clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-               child->exit_code = data;
-               /* XXX: Are we sure no breakpoints are active here? */
-               wake_up_process(child);
-               ret = 0;
-               break;
-
-       /*
-        * Make the child exit. Best I can do is send it a
-        * SIGKILL. Perhaps it should be put in the status that it
-        * wants to exit.
-        */
-       case PTRACE_KILL:
-               ret = 0;
-               if (child->exit_state == EXIT_ZOMBIE)
-                       break;
-               child->exit_code = SIGKILL;
-               wake_up_process(child);
-               break;
-
-       /*
-        * execute single instruction.
-        */
-       case PTRACE_SINGLESTEP:
-               ret = -EIO;
-               if (!valid_signal(data))
-                       break;
-               clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-               ptrace_single_step(child);
-               child->exit_code = data;
-               wake_up_process(child);
-               ret = 0;
-               break;
-
        case PTRACE_GETREGS:
                ret = ptrace_getregs(child, (void __user *)data);
                break;