25 static int ftrace_modify_code(unsigned long pc, u32 old, u32 new,  in ftrace_modify_code()  argument
40 		if (aarch64_insn_read((void *)pc, &replaced))  in ftrace_modify_code()
46 	if (aarch64_insn_patch_text_nosync((void *)pc, new))  in ftrace_modify_code()
57 	unsigned long pc;  in ftrace_update_ftrace_func()  local
60 	pc = (unsigned long)&ftrace_call;  in ftrace_update_ftrace_func()
61 	new = aarch64_insn_gen_branch_imm(pc, (unsigned long)func,  in ftrace_update_ftrace_func()
64 	return ftrace_modify_code(pc, 0, new, false);  in ftrace_update_ftrace_func()
72 	unsigned long pc = rec->ip;  in ftrace_make_call()  local
76 	new = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_make_call()
78 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_call()
87 	unsigned long pc = rec->ip;  in ftrace_make_nop()  local
90 	old = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_make_nop()
93 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_nop()
154 	unsigned long pc = (unsigned long)&ftrace_graph_call;  in ftrace_modify_graph_caller()  local
157 	branch = aarch64_insn_gen_branch_imm(pc,  in ftrace_modify_graph_caller()
163 		return ftrace_modify_code(pc, nop, branch, true);  in ftrace_modify_graph_caller()
165 		return ftrace_modify_code(pc, branch, nop, true);  in ftrace_modify_graph_caller()