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-rw-r--r--include/linux/ftrace.h60
1 files changed, 30 insertions, 30 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9212b017bc7..404a686a364 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -62,9 +62,6 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip,
* set in the flags member.
*
* ENABLED - set/unset when ftrace_ops is registered/unregistered
- * GLOBAL - set manualy by ftrace_ops user to denote the ftrace_ops
- * is part of the global tracers sharing the same filter
- * via set_ftrace_* debugfs files.
* DYNAMIC - set when ftrace_ops is registered to denote dynamically
* allocated ftrace_ops which need special care
* CONTROL - set manualy by ftrace_ops user to denote the ftrace_ops
@@ -96,15 +93,14 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip,
*/
enum {
FTRACE_OPS_FL_ENABLED = 1 << 0,
- FTRACE_OPS_FL_GLOBAL = 1 << 1,
- FTRACE_OPS_FL_DYNAMIC = 1 << 2,
- FTRACE_OPS_FL_CONTROL = 1 << 3,
- FTRACE_OPS_FL_SAVE_REGS = 1 << 4,
- FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED = 1 << 5,
- FTRACE_OPS_FL_RECURSION_SAFE = 1 << 6,
- FTRACE_OPS_FL_STUB = 1 << 7,
- FTRACE_OPS_FL_INITIALIZED = 1 << 8,
- FTRACE_OPS_FL_DELETED = 1 << 9,
+ FTRACE_OPS_FL_DYNAMIC = 1 << 1,
+ FTRACE_OPS_FL_CONTROL = 1 << 2,
+ FTRACE_OPS_FL_SAVE_REGS = 1 << 3,
+ FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED = 1 << 4,
+ FTRACE_OPS_FL_RECURSION_SAFE = 1 << 5,
+ FTRACE_OPS_FL_STUB = 1 << 6,
+ FTRACE_OPS_FL_INITIALIZED = 1 << 7,
+ FTRACE_OPS_FL_DELETED = 1 << 8,
};
/*
@@ -366,14 +362,12 @@ enum {
* IGNORE - The function is already what we want it to be
* MAKE_CALL - Start tracing the function
* MODIFY_CALL - Stop saving regs for the function
- * MODIFY_CALL_REGS - Start saving regs for the function
* MAKE_NOP - Stop tracing the function
*/
enum {
FTRACE_UPDATE_IGNORE,
FTRACE_UPDATE_MAKE_CALL,
FTRACE_UPDATE_MODIFY_CALL,
- FTRACE_UPDATE_MODIFY_CALL_REGS,
FTRACE_UPDATE_MAKE_NOP,
};
@@ -404,6 +398,8 @@ int ftrace_update_record(struct dyn_ftrace *rec, int enable);
int ftrace_test_record(struct dyn_ftrace *rec, int enable);
void ftrace_run_stop_machine(int command);
unsigned long ftrace_location(unsigned long ip);
+unsigned long ftrace_get_addr_new(struct dyn_ftrace *rec);
+unsigned long ftrace_get_addr_curr(struct dyn_ftrace *rec);
extern ftrace_func_t ftrace_trace_function;
@@ -535,6 +531,7 @@ static inline int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_a
extern int ftrace_arch_read_dyn_info(char *buf, int size);
extern int skip_trace(unsigned long ip);
+extern void ftrace_module_init(struct module *mod);
extern void ftrace_disable_daemon(void);
extern void ftrace_enable_daemon(void);
@@ -544,6 +541,7 @@ static inline int ftrace_force_update(void) { return 0; }
static inline void ftrace_disable_daemon(void) { }
static inline void ftrace_enable_daemon(void) { }
static inline void ftrace_release_mod(struct module *mod) {}
+static inline void ftrace_module_init(struct module *mod) {}
static inline __init int register_ftrace_command(struct ftrace_func_command *cmd)
{
return -EINVAL;
@@ -614,25 +612,27 @@ static inline void __ftrace_enabled_restore(int enabled)
#endif
}
-#ifndef HAVE_ARCH_CALLER_ADDR
+/* All archs should have this, but we define it for consistency */
+#ifndef ftrace_return_address0
+# define ftrace_return_address0 __builtin_return_address(0)
+#endif
+
+/* Archs may use other ways for ADDR1 and beyond */
+#ifndef ftrace_return_address
# ifdef CONFIG_FRAME_POINTER
-# define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
-# define CALLER_ADDR1 ((unsigned long)__builtin_return_address(1))
-# define CALLER_ADDR2 ((unsigned long)__builtin_return_address(2))
-# define CALLER_ADDR3 ((unsigned long)__builtin_return_address(3))
-# define CALLER_ADDR4 ((unsigned long)__builtin_return_address(4))
-# define CALLER_ADDR5 ((unsigned long)__builtin_return_address(5))
-# define CALLER_ADDR6 ((unsigned long)__builtin_return_address(6))
+# define ftrace_return_address(n) __builtin_return_address(n)
# else
-# define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
-# define CALLER_ADDR1 0UL
-# define CALLER_ADDR2 0UL
-# define CALLER_ADDR3 0UL
-# define CALLER_ADDR4 0UL
-# define CALLER_ADDR5 0UL
-# define CALLER_ADDR6 0UL
+# define ftrace_return_address(n) 0UL
# endif
-#endif /* ifndef HAVE_ARCH_CALLER_ADDR */
+#endif
+
+#define CALLER_ADDR0 ((unsigned long)ftrace_return_address0)
+#define CALLER_ADDR1 ((unsigned long)ftrace_return_address(1))
+#define CALLER_ADDR2 ((unsigned long)ftrace_return_address(2))
+#define CALLER_ADDR3 ((unsigned long)ftrace_return_address(3))
+#define CALLER_ADDR4 ((unsigned long)ftrace_return_address(4))
+#define CALLER_ADDR5 ((unsigned long)ftrace_return_address(5))
+#define CALLER_ADDR6 ((unsigned long)ftrace_return_address(6))
#ifdef CONFIG_IRQSOFF_TRACER
extern void time_hardirqs_on(unsigned long a0, unsigned long a1);