projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3306fc4a SRV |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_KERNEL_FTRACE_INTERNAL_H | |
| 3 | #define _LINUX_KERNEL_FTRACE_INTERNAL_H | |
| 4 | ||
| 5 | #ifdef CONFIG_FUNCTION_TRACER | |
| 6 | ||
| 3306fc4a SRV |
7 | extern struct mutex ftrace_lock; |
| 8 | extern struct ftrace_ops global_ops; | |
| 9 | ||
| 10 | #ifdef CONFIG_DYNAMIC_FTRACE | |
| 11 | ||
| 12 | int ftrace_startup(struct ftrace_ops *ops, int command); | |
| 13 | int ftrace_shutdown(struct ftrace_ops *ops, int command); | |
| 14 | int ftrace_ops_test(struct ftrace_ops *ops, unsigned long ip, void *regs); | |
| 15 | ||
| 16 | #else /* !CONFIG_DYNAMIC_FTRACE */ | |
| 17 | ||
| 18 | int __register_ftrace_function(struct ftrace_ops *ops); | |
| 19 | int __unregister_ftrace_function(struct ftrace_ops *ops); | |
| 20 | /* Keep as macros so we do not need to define the commands */ | |
| 21 | # define ftrace_startup(ops, command) \ | |
| 22 | ({ \ | |
| 23 | int ___ret = __register_ftrace_function(ops); \ | |
| 24 | if (!___ret) \ | |
| 25 | (ops)->flags |= FTRACE_OPS_FL_ENABLED; \ | |
| 26 | ___ret; \ | |
| 27 | }) | |
| 28 | # define ftrace_shutdown(ops, command) \ | |
| 29 | ({ \ | |
| 30 | int ___ret = __unregister_ftrace_function(ops); \ | |
| 31 | if (!___ret) \ | |
| 32 | (ops)->flags &= ~FTRACE_OPS_FL_ENABLED; \ | |
| 33 | ___ret; \ | |
| 34 | }) | |
| 35 | static inline int | |
| 36 | ftrace_ops_test(struct ftrace_ops *ops, unsigned long ip, void *regs) | |
| 37 | { | |
| 38 | return 1; | |
| 39 | } | |
| 40 | #endif /* CONFIG_DYNAMIC_FTRACE */ | |
| 41 | ||
| 42 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | |
| 43 | extern int ftrace_graph_active; | |
| 44 | void update_function_graph_func(void); | |
| 45 | #else /* !CONFIG_FUNCTION_GRAPH_TRACER */ | |
| 46 | # define ftrace_graph_active 0 | |
| 47 | static inline void update_function_graph_func(void) { } | |
| 48 | #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ | |
| 49 | ||
| 50 | #else /* !CONFIG_FUNCTION_TRACER */ | |
| 51 | #endif /* CONFIG_FUNCTION_TRACER */ | |
| 52 | ||
| 53 | #endif |