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__ 9 extern 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 16 static inline unsigned long ftrace_call_adjust(unsigned long addr) 17 { 18 /* second bundle, insn 2 */ 19 return addr - 0x12; 20 } 21 22 struct dyn_arch_ftrace { 23 }; 24 #endif 25 26 #endif /* CONFIG_FUNCTION_TRACER */ 27 28 #endif /* _ASM_IA64_FTRACE_H */ 29