Lines Matching defs:trampoline

136  * Stub used to invoke the list ops without requiring a separate trampoline.
237 	 * then have the mcount trampoline call the function directly.
1134 		if (op->trampoline && op->trampoline_size)
1135 			if (addr >= op->trampoline &&
1136 			    addr < op->trampoline + op->trampoline_size) {
1148  * address is on a dynamically allocated trampoline that would
1862 			 * function, and the ops has a trampoline registered
1865 			if (ftrace_rec_count(rec) == 1 && ops->trampoline)
1871 				 * custom trampoline in use, then we need to go
1872 				 * back to the default trampoline.
1912 			 * left has a trampoline. As TRAMP can only be
2096 				 * points to a direct trampoline. If it isn't,
2275 						(void *)ops->trampoline,
2392 				 * directly (no ftrace trampoline).
2430 		 *   vice versa, or from a trampoline call.
2494 		if (!op->trampoline)
2512 		if (op == op_exclude || !op->trampoline)
2530 		if (!op->trampoline)
2558 	 * Need to find the current trampoline for a rec.
2559 	 * Now, a trampoline is only attached to a rec if there
2571 	 * a trampoline, it needs to be removed (trampolines are only
2577 		if (!op->trampoline)
2690  * Returns: the address of the trampoline to set to
2708 		if (FTRACE_WARN_ON(!ops || !ops->trampoline)) {
2709 			pr_warn("Bad trampoline accounting at: %p (%pS) (%lx)\n",
2714 		return ops->trampoline;
2731  * Returns: the address of the trampoline that is currently being called
2750 			pr_warn("Bad trampoline accounting at: %p (%pS)\n",
2755 		return ops->trampoline;
3087 	    ops->trampoline) {
3092 		perf_event_text_poke((void *)ops->trampoline,
3093 				     (void *)ops->trampoline,
3096 				   ops->trampoline, ops->trampoline_size,
3167 	 * free trampoline, because those actions could cause further damage.
3215 	 * If the ops uses a trampoline, then it needs to be
3221 	/* The trampoline logic checks the old hashes */
3267 		 * while on a ftrace trampoline. Just scheduling a task on
4484 		if (subops->trampoline) {
4486 				   (void *)subops->trampoline,
4545 						   (void *)ops->trampoline,
6076 	ops->trampoline = 0;
6080  * register_ftrace_direct - Call a custom trampoline directly
6083  * @addr: The address of the trampoline to call at @ops functions
6107 	if (ops->func || ops->trampoline)
6170 	ops->trampoline = FTRACE_REGS_ADDR;
6191  * unregister_ftrace_direct - Remove calls to custom trampoline
6273 	/* Prevent store tearing if a trampoline concurrently accesses the value */
6289  * @addr: The address of the new trampoline to call at @ops functions
6318  * @addr: The address of the new trampoline to call at @ops functions
6430 		if (ops->func || ops->trampoline)
6451 		ops->trampoline = FTRACE_REGS_ADDR;
6461 			ops->trampoline = 0;
6591 			ops->trampoline = 0;
7808 		if (!op->trampoline || symnum--)
7810 		*value = op->trampoline;
7873 			if (cnt == 1 && ops->trampoline)
8468 	unsigned long trampoline = ops->trampoline;
8471 	if (ops->trampoline && ops->trampoline != trampoline &&
8476 				   ops->trampoline, ops->trampoline_size, false,
8482 		perf_event_text_poke((void *)ops->trampoline, NULL, 0,
8483 				     (void *)ops->trampoline,
8624  * by the mcount trampoline.
8643  * ftrace_ops_get_func - get the function a trampoline should call
8646  * Normally the mcount trampoline will call the ops->func, but there
8651  * Returns: the function that the trampoline should call for @ops.