Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / parisc / include / asm / ftrace.h

diff --git a/kernel/arch/parisc/include/asm/ftrace.h b/kernel/arch/parisc/include/asm/ftrace.h
new file mode 100644 (file)
index 0000000..544ed8e
--- /dev/null
+++ b/kernel/arch/parisc/include/asm/ftrace.h
@@ -0,0 +1,31 @@
+#ifndef _ASM_PARISC_FTRACE_H
+#define _ASM_PARISC_FTRACE_H
+
+#ifndef __ASSEMBLY__
+extern void mcount(void);
+
+/*
+ * Stack of return addresses for functions of a thread.
+ * Used in struct thread_info
+ */
+struct ftrace_ret_stack {
+       unsigned long ret;
+       unsigned long func;
+       unsigned long long calltime;
+};
+
+/*
+ * Primary handler of a function return.
+ * It relays on ftrace_return_to_handler.
+ * Defined in entry.S
+ */
+extern void return_to_handler(void);
+
+
+extern unsigned long return_address(unsigned int);
+
+#define ftrace_return_address(n) return_address(n)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_PARISC_FTRACE_H */