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-rw-r--r--arch/ia64/include/asm/ftrace.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/ftrace.h b/arch/ia64/include/asm/ftrace.h
new file mode 100644
index 000000000000..d20db3c2a656
--- /dev/null
+++ b/arch/ia64/include/asm/ftrace.h
@@ -0,0 +1,28 @@
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#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
16static inline unsigned long ftrace_call_adjust(unsigned long addr)
17{
18 /* second bundle, insn 2 */
19 return addr - 0x12;
20}
21
22struct dyn_arch_ftrace {
23};
24#endif
25
26#endif /* CONFIG_FUNCTION_TRACER */
27
28#endif /* _ASM_IA64_FTRACE_H */