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-rw-r--r--arch/s390/kernel/ftrace.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/s390/kernel/ftrace.h b/arch/s390/kernel/ftrace.h
new file mode 100644
index 0000000000..7f75a96164
--- /dev/null
+++ b/arch/s390/kernel/ftrace.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _FTRACE_H
+#define _FTRACE_H
+
+#include <asm/types.h>
+
+struct ftrace_hotpatch_trampoline {
+ u16 brasl_opc;
+ s32 brasl_disp;
+ s16: 16;
+ u64 rest_of_intercepted_function;
+ u64 interceptor;
+} __packed;
+
+extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_start[];
+extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_end[];
+extern const char ftrace_shared_hotpatch_trampoline_br[];
+extern const char ftrace_shared_hotpatch_trampoline_br_end[];
+extern const char ftrace_shared_hotpatch_trampoline_exrl[];
+extern const char ftrace_shared_hotpatch_trampoline_exrl_end[];
+extern const char ftrace_plt_template[];
+extern const char ftrace_plt_template_end[];
+
+#endif /* _FTRACE_H */