xref: /linux/arch/microblaze/include/asm/ftrace.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_MICROBLAZE_FTRACE
3 #define _ASM_MICROBLAZE_FTRACE
4 
5 #ifdef CONFIG_FUNCTION_TRACER
6 
7 #define MCOUNT_ADDR		((unsigned long)(_mcount))
8 #define MCOUNT_INSN_SIZE	8 /* sizeof mcount call */
9 
10 #ifndef __ASSEMBLY__
11 extern void _mcount(void);
12 extern void ftrace_call_graph(void);
13 void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr);
14 #endif
15 
16 #ifdef CONFIG_DYNAMIC_FTRACE
17 /* relocation of mcount call site is the same as the address */
18 static inline unsigned long ftrace_call_adjust(unsigned long addr)
19 {
20 	return addr;
21 }
22 
23 struct dyn_arch_ftrace {
24 };
25 #endif /* CONFIG_DYNAMIC_FTRACE */
26 
27 #endif /* CONFIG_FUNCTION_TRACER */
28 #endif /* _ASM_MICROBLAZE_FTRACE */
29