1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _ASM_IA64_FTRACE_H 3*4882a593Smuzhiyun #define _ASM_IA64_FTRACE_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #ifdef CONFIG_FUNCTION_TRACER 6*4882a593Smuzhiyun #define MCOUNT_INSN_SIZE 32 /* sizeof mcount call */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 9*4882a593Smuzhiyun extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0); 10*4882a593Smuzhiyun #define mcount _mcount 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */ 13*4882a593Smuzhiyun #define MCOUNT_ADDR (((struct fnptr *)mcount)->ip) 14*4882a593Smuzhiyun #define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip) 15*4882a593Smuzhiyun ftrace_call_adjust(unsigned long addr)16*4882a593Smuzhiyunstatic inline unsigned long ftrace_call_adjust(unsigned long addr) 17*4882a593Smuzhiyun { 18*4882a593Smuzhiyun /* second bundle, insn 2 */ 19*4882a593Smuzhiyun return addr - 0x12; 20*4882a593Smuzhiyun } 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct dyn_arch_ftrace { 23*4882a593Smuzhiyun }; 24*4882a593Smuzhiyun #endif 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #endif /* CONFIG_FUNCTION_TRACER */ 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #endif /* _ASM_IA64_FTRACE_H */ 29