xref: /openbmc/linux/arch/ia64/include/asm/ftrace.h (revision a14a07b8)
1 #ifndef _ASM_IA64_FTRACE_H
2 #define _ASM_IA64_FTRACE_H
3 
4 #ifdef CONFIG_FUNCTION_TRACER
5 #define MCOUNT_INSN_SIZE        32 /* sizeof mcount call */
6 
7 #ifndef __ASSEMBLY__
8 extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
9 #define mcount _mcount
10 
11 #include <asm/kprobes.h>
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