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Diffstat (limited to 'arch/csky/include/asm/ftrace.h')
-rw-r--r--arch/csky/include/asm/ftrace.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/csky/include/asm/ftrace.h b/arch/csky/include/asm/ftrace.h
new file mode 100644
index 000000000000..00f9f7647e3f
--- /dev/null
+++ b/arch/csky/include/asm/ftrace.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASM_CSKY_FTRACE_H
+#define __ASM_CSKY_FTRACE_H
+
+#define MCOUNT_INSN_SIZE 14
+
+#define HAVE_FUNCTION_GRAPH_FP_TEST
+
+#define ARCH_SUPPORTS_FTRACE_OPS 1
+
+#define MCOUNT_ADDR ((unsigned long)_mcount)
+
+#ifndef __ASSEMBLY__
+
+extern void _mcount(unsigned long);
+
+extern void ftrace_graph_call(void);
+
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+ return addr;
+}
+
+struct dyn_arch_ftrace {
+};
+
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
+ unsigned long frame_pointer);
+
+#endif /* !__ASSEMBLY__ */
+#endif /* __ASM_CSKY_FTRACE_H */