98 static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr)  in ftrace_call_replace()  argument
100 	return arm_gen_branch_link(pc, addr);  in ftrace_call_replace()
103 static int ftrace_modify_code(unsigned long pc, unsigned long old,  in ftrace_modify_code()  argument
117 		if (probe_kernel_read(&replaced, (void *)pc, MCOUNT_INSN_SIZE))  in ftrace_modify_code()
124 	if (probe_kernel_write((void *)pc, &new, MCOUNT_INSN_SIZE))  in ftrace_modify_code()
127 	flush_icache_range(pc, pc + MCOUNT_INSN_SIZE);  in ftrace_modify_code()
134 	unsigned long pc;  in ftrace_update_ftrace_func()  local
138 	pc = (unsigned long)&ftrace_call;  in ftrace_update_ftrace_func()
139 	new = ftrace_call_replace(pc, (unsigned long)func);  in ftrace_update_ftrace_func()
141 	ret = ftrace_modify_code(pc, 0, new, false);  in ftrace_update_ftrace_func()
145 		pc = (unsigned long)&ftrace_call_old;  in ftrace_update_ftrace_func()
146 		new = ftrace_call_replace(pc, (unsigned long)func);  in ftrace_update_ftrace_func()
148 		ret = ftrace_modify_code(pc, 0, new, false);  in ftrace_update_ftrace_func()
238 	unsigned long pc = (unsigned long) callsite;  in __ftrace_modify_caller()  local
239 	unsigned long branch = arm_gen_branch(pc, caller_fn);  in __ftrace_modify_caller()
244 	return ftrace_modify_code(pc, old, new, true);  in __ftrace_modify_caller()