Merge tag 'soc2-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[karo-tx-linux.git] / include / linux / ftrace.h

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index ae9504b4b67d3026cd9c1c1fcd30a8cfc928c984..404a686a364434ca33eb356b98eb54794d606712 100644 (file)
--- 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;
 
@@ -616,25 +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);