162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_IA64_FTRACE_H 362306a36Sopenharmony_ci#define _ASM_IA64_FTRACE_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifdef CONFIG_FUNCTION_TRACER 662306a36Sopenharmony_ci#define MCOUNT_INSN_SIZE 32 /* sizeof mcount call */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#ifndef __ASSEMBLY__ 962306a36Sopenharmony_ciextern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0); 1062306a36Sopenharmony_ci#define mcount _mcount 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci/* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */ 1362306a36Sopenharmony_ci#define MCOUNT_ADDR (((struct fnptr *)mcount)->ip) 1462306a36Sopenharmony_ci#define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip) 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_cistatic inline unsigned long ftrace_call_adjust(unsigned long addr) 1762306a36Sopenharmony_ci{ 1862306a36Sopenharmony_ci /* second bundle, insn 2 */ 1962306a36Sopenharmony_ci return addr - 0x12; 2062306a36Sopenharmony_ci} 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_cistruct dyn_arch_ftrace { 2362306a36Sopenharmony_ci}; 2462306a36Sopenharmony_ci#endif 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#endif /* CONFIG_FUNCTION_TRACER */ 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci#endif /* _ASM_IA64_FTRACE_H */ 29