arch/s390/kernel/ftrace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _FTRACE_H
   3 #define _FTRACE_H
   4
   5 #include <asm/types.h>
   6
   7 struct ftrace_hotpatch_trampoline {
   8         u16 brasl_opc;
   9         s32 brasl_disp;
  10         s16: 16;
  11         u64 rest_of_intercepted_function;
  12         u64 interceptor;
  13 } __packed;
  14
  15 extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_start[];
  16 extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_end[];
  17 extern const char ftrace_shared_hotpatch_trampoline_br[];
  18 extern const char ftrace_shared_hotpatch_trampoline_br_end[];
  19 extern const char ftrace_shared_hotpatch_trampoline_ex[];
  20 extern const char ftrace_shared_hotpatch_trampoline_ex_end[];
  21 extern const char ftrace_shared_hotpatch_trampoline_exrl[];
  22 extern const char ftrace_shared_hotpatch_trampoline_exrl_end[];
  23 extern const char ftrace_plt_template[];
  24 extern const char ftrace_plt_template_end[];
  25
  26 #endif /* _FTRACE_H */