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 
ftrace_call_adjust(unsigned long addr)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