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ftrace.h
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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 /* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
12 #define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
13 #define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
14 
15 static inline unsigned long ftrace_call_adjust(unsigned long addr)
16 {
17  /* second bundle, insn 2 */
18  return addr - 0x12;
19 }
20 
21 struct dyn_arch_ftrace {
22 };
23 #endif
24 
25 #endif /* CONFIG_FUNCTION_TRACER */
26 
27 #endif /* _ASM_IA64_FTRACE_H */