From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/cris/kernel/ptrace.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 arch/cris/kernel/ptrace.c

(limited to 'arch/cris/kernel/ptrace.c')

diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c
new file mode 100644
index 00000000..58d44ee1
--- /dev/null
+++ b/arch/cris/kernel/ptrace.c
@@ -0,0 +1,44 @@
+/*
+ *  linux/arch/cris/kernel/ptrace.c
+ *
+ * Parts taken from the m68k port.
+ *
+ * Copyright (c) 2000, 2001, 2002 Axis Communications AB
+ *
+ * Authors:   Bjorn Wesen
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/errno.h>
+#include <linux/ptrace.h>
+#include <linux/user.h>
+#include <linux/tracehook.h>
+
+#include <asm/uaccess.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+
+
+/* notification of userspace execution resumption
+ * - triggered by current->work.notify_resume
+ */
+extern int do_signal(int canrestart, struct pt_regs *regs);
+
+
+void do_notify_resume(int canrestart, struct pt_regs *regs,
+		      __u32 thread_info_flags)
+{
+	/* deal with pending signal delivery */
+	if (thread_info_flags & _TIF_SIGPENDING)
+		do_signal(canrestart,regs);
+
+	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+		clear_thread_flag(TIF_NOTIFY_RESUME);
+		tracehook_notify_resume(regs);
+	}
+}
-- 
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