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authorVineet Gupta <vgupta@synopsys.com>2013-01-18 10:42:21 +0100
committerVineet Gupta <vgupta@synopsys.com>2013-02-15 18:45:57 +0100
commitc08098f28e3f3830086b1b542c2d2646a84e109c (patch)
tree246c4d6e2874f455e3cb19a85f83c96a4f460edf /arch/arc/kernel/ptrace.c
parentARC: [plat-arcfpga]: Enabling DeviceTree for Angel4 board (diff)
downloadlinux-c08098f28e3f3830086b1b542c2d2646a84e109c.tar.xz
linux-c08098f28e3f3830086b1b542c2d2646a84e109c.zip
ARC: Last bits (stubs) to get to a running kernel with UART
This was part of port buildup strategy from Arnd to have a minimal kernel at first and then add optional features (stacktracing, ptrace, smp, kprobes, oprofile....) Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/ptrace.c')
-rw-r--r--arch/arc/kernel/ptrace.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c
new file mode 100644
index 000000000000..1cf944a77f33
--- /dev/null
+++ b/arch/arc/kernel/ptrace.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/ptrace.h>
+
+void ptrace_disable(struct task_struct *child)
+{
+}
+
+long arch_ptrace(struct task_struct *child, long request,
+ unsigned long addr, unsigned long data)
+{
+ int ret = -EIO;
+ return ret;
+}
+
+
+const struct user_regset_view *task_user_regset_view(struct task_struct *task)
+{
+ return (const struct user_regset_view *)NULL;
+}