ftrace.h (748B)
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 */