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authorSteven Rostedt <srostedt@redhat.com>2008-05-12 15:20:43 -0400
committerThomas Gleixner <tglx@linutronix.de>2008-05-23 14:33:35 -0400
commit3c1720f00bb619302ba19d55986ab565e74d06db (patch)
treed58aaa54bc8e7a465597f385de36204c3b0b9cf8 /include
parentdfa60aba04dae7833d75b2e2be124bb7cfb8239f (diff)
ftrace: move memory management out of arch code
This patch moves the memory management of the ftrace records out of the arch code and into the generic code making the arch code simpler. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ftrace.h18
1 files changed, 11 insertions, 7 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index ccd8537dbdb7..d509ad6c9cb8 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -42,19 +42,23 @@ extern void mcount(void);
42# define FTRACE_HASHBITS 10 42# define FTRACE_HASHBITS 10
43# define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS) 43# define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS)
44 44
45enum {
46 FTRACE_FL_FAILED = (1<<0),
47};
48
45struct dyn_ftrace { 49struct dyn_ftrace {
46 struct hlist_node node; 50 struct hlist_node node;
47 unsigned long ip; 51 unsigned long ip;
52 unsigned long flags;
48}; 53};
49 54
50/* defined in arch */ 55/* defined in arch */
51extern struct dyn_ftrace * 56extern int ftrace_ip_converted(unsigned long ip);
52ftrace_alloc_shutdown_node(unsigned long ip); 57extern unsigned char *ftrace_nop_replace(void);
53extern int ftrace_shutdown_arch_init(void); 58extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr);
54extern void ftrace_code_disable(struct dyn_ftrace *rec); 59extern int ftrace_dyn_arch_init(void);
55extern void ftrace_startup_code(void); 60extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code,
56extern void ftrace_shutdown_code(void); 61 unsigned char *new_code);
57extern void ftrace_shutdown_replenish(void);
58#endif 62#endif
59 63
60#ifdef CONFIG_FRAME_POINTER 64#ifdef CONFIG_FRAME_POINTER