ftrace, ia64: Add macro for ftrace_caller

Define FTRACE_ADDR. In IA64, a function pointer isn't a 'unsigned long' but a 'struct {unsigned long ip, unsigned long gp}'. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Jan 14, 2009 · f000120 · f000120
1 parent 25aac9d
commit f000120
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
@@ -126,6 +126,10 @@ extern int ftrace_update_ftrace_func(ftrace_func_t func);
 extern void ftrace_caller(void);
 extern void ftrace_call(void);
 extern void mcount_call(void);
+
+#ifndef FTRACE_ADDR
+#define FTRACE_ADDR ((unsigned long)ftrace_caller)
+#endif
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 extern void ftrace_graph_caller(void);
 extern int ftrace_enable_ftrace_graph_caller(void);

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
@@ -455,7 +455,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
 	unsigned long ip, fl;
 	unsigned long ftrace_addr;
 
-	ftrace_addr = (unsigned long)ftrace_caller;
+	ftrace_addr = (unsigned long)FTRACE_ADDR;
 
 	ip = rec->ip;