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Linux kernel mirror (for testing)
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linux
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__
8extern 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
15static inline unsigned long ftrace_call_adjust(unsigned long addr)
16{
17 /* second bundle, insn 2 */
18 return addr - 0x12;
19}
20
21struct dyn_arch_ftrace {
22};
23#endif
24
25#endif /* CONFIG_FUNCTION_TRACER */
26
27#endif /* _ASM_IA64_FTRACE_H */