linux/arch/ia64/include/asm/ftrace.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_IA64_FTRACE_H
   3#define _ASM_IA64_FTRACE_H
   4
   5#ifdef CONFIG_FUNCTION_TRACER
   6#define MCOUNT_INSN_SIZE        32 /* sizeof mcount call */
   7
   8#ifndef __ASSEMBLY__
   9extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
  10#define mcount _mcount
  11
  12/* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
  13#define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
  14#define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
  15
  16static inline unsigned long ftrace_call_adjust(unsigned long addr)
  17{
  18        /* second bundle, insn 2 */
  19        return addr - 0x12;
  20}
  21
  22struct dyn_arch_ftrace {
  23};
  24#endif
  25
  26#endif /* CONFIG_FUNCTION_TRACER */
  27
  28#endif /* _ASM_IA64_FTRACE_H */
  29