48 	FREGS_OFFSET("pc", pc),
150 static int ftrace_modify_code(unsigned long pc, u32 old, u32 new,  in ftrace_modify_code()  argument
164 		if (aarch64_insn_read((void *)pc, &replaced))  in ftrace_modify_code()
170 	if (aarch64_insn_patch_text_nosync((void *)pc, new))  in ftrace_modify_code()
181 	unsigned long pc;  in ftrace_update_ftrace_func()  local
191 	pc = (unsigned long)ftrace_call;  in ftrace_update_ftrace_func()
192 	new = aarch64_insn_gen_branch_imm(pc, (unsigned long)func,  in ftrace_update_ftrace_func()
195 	return ftrace_modify_code(pc, 0, new, false);  in ftrace_update_ftrace_func()
209 static bool reachable_by_bl(unsigned long addr, unsigned long pc)  in reachable_by_bl()  argument
211 	long offset = (long)addr - (long)pc;  in reachable_by_bl()
229 	unsigned long pc = rec->ip;  in ftrace_find_callable_addr()  local
237 	if (*addr != FTRACE_ADDR && !reachable_by_bl(*addr, pc))  in ftrace_find_callable_addr()
244 	if (reachable_by_bl(*addr, pc))  in ftrace_find_callable_addr()
266 		mod = __module_text_address(pc);  in ftrace_find_callable_addr()
326 	unsigned long pc = rec->ip;  in ftrace_make_call()  local
338 	new = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_make_call()
340 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_call()
347 	unsigned long pc = rec->ip;  in ftrace_modify_call()  local
360 	old = aarch64_insn_gen_branch_imm(pc, old_addr,  in ftrace_modify_call()
362 	new = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_modify_call()
364 	return ftrace_modify_code(pc, old, new, true);  in ftrace_modify_call()
393 	unsigned long pc = rec->ip - AARCH64_INSN_SIZE;  in ftrace_init_nop()  local
405 	return ftrace_modify_code(pc, old, new, true);  in ftrace_init_nop()
415 	unsigned long pc = rec->ip;  in ftrace_make_nop()  local
435 		return aarch64_insn_patch_text_nosync((void *)pc, new);  in ftrace_make_nop()
440 	old = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_make_nop()
442 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_nop()
493 	unsigned long pc = (unsigned long)&ftrace_graph_call;  in ftrace_modify_graph_caller()  local
496 	branch = aarch64_insn_gen_branch_imm(pc,  in ftrace_modify_graph_caller()
502 		return ftrace_modify_code(pc, nop, branch, true);  in ftrace_modify_graph_caller()
504 		return ftrace_modify_code(pc, branch, nop, true);  in ftrace_modify_graph_caller()