25 static int ftrace_modify_code(unsigned long pc, u32 old, u32 new,  in ftrace_modify_code()  argument
39 		if (aarch64_insn_read((void *)pc, &replaced))  in ftrace_modify_code()
45 	if (aarch64_insn_patch_text_nosync((void *)pc, new))  in ftrace_modify_code()
56 	unsigned long pc;  in ftrace_update_ftrace_func()  local
59 	pc = (unsigned long)function_nocfi(ftrace_call);  in ftrace_update_ftrace_func()
60 	new = aarch64_insn_gen_branch_imm(pc, (unsigned long)func,  in ftrace_update_ftrace_func()
63 	return ftrace_modify_code(pc, 0, new, false);  in ftrace_update_ftrace_func()
85 	unsigned long pc = rec->ip;  in ftrace_make_call()  local
87 	long offset = (long)pc - (long)addr;  in ftrace_make_call()
107 		mod = __module_text_address(pc);  in ftrace_make_call()
123 	new = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_make_call()
125 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_call()
132 	unsigned long pc = rec->ip;  in ftrace_modify_call()  local
135 	old = aarch64_insn_gen_branch_imm(pc, old_addr,  in ftrace_modify_call()
137 	new = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_modify_call()
139 	return ftrace_modify_code(pc, old, new, true);  in ftrace_modify_call()
166 	unsigned long pc = rec->ip - AARCH64_INSN_SIZE;  in ftrace_init_nop()  local
173 	return ftrace_modify_code(pc, old, new, true);  in ftrace_init_nop()
183 	unsigned long pc = rec->ip;  in ftrace_make_nop()  local
186 	long offset = (long)pc - (long)addr;  in ftrace_make_nop()
201 			mod = __module_text_address(pc);  in ftrace_make_nop()
215 		if (aarch64_insn_read((void *)pc, &replaced))  in ftrace_make_nop()
219 		    !within_module(pc + aarch64_get_branch_offset(replaced),  in ftrace_make_nop()
225 		old = aarch64_insn_gen_branch_imm(pc, addr,  in ftrace_make_nop()
231 	return ftrace_modify_code(pc, old, new, validate);  in ftrace_make_nop()
282 	unsigned long pc = (unsigned long)&ftrace_graph_call;  in ftrace_modify_graph_caller()  local
285 	branch = aarch64_insn_gen_branch_imm(pc,  in ftrace_modify_graph_caller()
291 		return ftrace_modify_code(pc, nop, branch, true);  in ftrace_modify_graph_caller()
293 		return ftrace_modify_code(pc, branch, nop, true);  in ftrace_modify_graph_caller()