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Diffstat (limited to 'arch/x86/include/asm/ftrace.h')
-rw-r--r--arch/x86/include/asm/ftrace.h32
1 files changed, 7 insertions, 25 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index b55b4a7fbefd..bd2c6511c887 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -28,6 +28,13 @@
28 28
29#endif 29#endif
30 30
31/* FIXME: I don't want to stay hardcoded */
32#ifdef CONFIG_X86_64
33# define FTRACE_SYSCALL_MAX 296
34#else
35# define FTRACE_SYSCALL_MAX 333
36#endif
37
31#ifdef CONFIG_FUNCTION_TRACER 38#ifdef CONFIG_FUNCTION_TRACER
32#define MCOUNT_ADDR ((long)(mcount)) 39#define MCOUNT_ADDR ((long)(mcount))
33#define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */ 40#define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */
@@ -55,29 +62,4 @@ struct dyn_arch_ftrace {
55#endif /* __ASSEMBLY__ */ 62#endif /* __ASSEMBLY__ */
56#endif /* CONFIG_FUNCTION_TRACER */ 63#endif /* CONFIG_FUNCTION_TRACER */
57 64
58#ifdef CONFIG_FUNCTION_GRAPH_TRACER
59
60#ifndef __ASSEMBLY__
61
62/*
63 * Stack of return addresses for functions
64 * of a thread.
65 * Used in struct thread_info
66 */
67struct ftrace_ret_stack {
68 unsigned long ret;
69 unsigned long func;
70 unsigned long long calltime;
71};
72
73/*
74 * Primary handler of a function return.
75 * It relays on ftrace_return_to_handler.
76 * Defined in entry_32/64.S
77 */
78extern void return_to_handler(void);
79
80#endif /* __ASSEMBLY__ */
81#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
82
83#endif /* _ASM_X86_FTRACE_H */ 65#endif /* _ASM_X86_FTRACE_H */