diff options
Diffstat (limited to 'arch/ia64/include/asm/ftrace.h')
-rw-r--r-- | arch/ia64/include/asm/ftrace.h | 28 |
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__ | ||
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 */ | ||