powerpc: arch_has_single_step
This defines the new standard arch_has_single_step macro. It makes the
existing set_single_step and clear_single_step entry points global, and
renames them to the new standard names user_enable_single_step and
user_disable_single_step, respectively.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 3e17d15..b970d79 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -256,7 +256,7 @@
#endif /* CONFIG_SPE */
-static void set_single_step(struct task_struct *task)
+void user_enable_single_step(struct task_struct *task)
{
struct pt_regs *regs = task->thread.regs;
@@ -271,7 +271,7 @@
set_tsk_thread_flag(task, TIF_SINGLESTEP);
}
-static void clear_single_step(struct task_struct *task)
+void user_disable_single_step(struct task_struct *task)
{
struct pt_regs *regs = task->thread.regs;
@@ -313,7 +313,7 @@
void ptrace_disable(struct task_struct *child)
{
/* make sure the single step bit is not set. */
- clear_single_step(child);
+ user_disable_single_step(child);
}
/*
@@ -456,7 +456,7 @@
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->exit_code = data;
/* make sure the single step bit is not set. */
- clear_single_step(child);
+ user_disable_single_step(child);
wake_up_process(child);
ret = 0;
break;
@@ -473,7 +473,7 @@
break;
child->exit_code = SIGKILL;
/* make sure the single step bit is not set. */
- clear_single_step(child);
+ user_disable_single_step(child);
wake_up_process(child);
break;
}
@@ -483,7 +483,7 @@
if (!valid_signal(data))
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- set_single_step(child);
+ user_enable_single_step(child);
child->exit_code = data;
/* give it a chance to run. */
wake_up_process(child);