47 static inline int in_kernel_space(unsigned long ip)  in in_kernel_space()  argument
49 	if (ip >= (unsigned long)_stext &&  in in_kernel_space()
50 	    ip <= (unsigned long)_etext)  in in_kernel_space()
90 static int ftrace_modify_code(unsigned long ip, unsigned int new_code)  in ftrace_modify_code()  argument
96 	safe_store_code(new_code, ip, faulted);  in ftrace_modify_code()
103 	flush_icache_range(ip, ip + 8);  in ftrace_modify_code()
110 static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,  in ftrace_modify_code_2()  argument
116 	safe_store_code(new_code1, ip, faulted);  in ftrace_modify_code_2()
120 	ip += 4;  in ftrace_modify_code_2()
121 	safe_store_code(new_code2, ip, faulted);  in ftrace_modify_code_2()
125 	ip -= 4;  in ftrace_modify_code_2()
128 	flush_icache_range(ip, ip + 8);  in ftrace_modify_code_2()
134 static int ftrace_modify_code_2r(unsigned long ip, unsigned int new_code1,  in ftrace_modify_code_2r()  argument
140 	ip += 4;  in ftrace_modify_code_2r()
141 	safe_store_code(new_code2, ip, faulted);  in ftrace_modify_code_2r()
145 	ip -= 4;  in ftrace_modify_code_2r()
146 	safe_store_code(new_code1, ip, faulted);  in ftrace_modify_code_2r()
152 	flush_icache_range(ip, ip + 8);  in ftrace_modify_code_2r()
195 	unsigned long ip = rec->ip;  in ftrace_make_nop()  local
201 	new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F;  in ftrace_make_nop()
203 	return ftrace_modify_code(ip, new);  in ftrace_make_nop()
212 	return ftrace_modify_code_2(ip, new, INSN_NOP);  in ftrace_make_nop()
219 	unsigned long ip = rec->ip;  in ftrace_make_call()  local
221 	new = in_kernel_space(ip) ? insn_jal_ftrace_caller : insn_la_mcount[0];  in ftrace_make_call()
224 	return ftrace_modify_code(ip, new);  in ftrace_make_call()
226 	return ftrace_modify_code_2r(ip, new, in_kernel_space(ip) ?  in ftrace_make_call()
283 	unsigned long sp, ip, tmp;  in ftrace_get_parent_ra_addr()  local
292 	ip = self_ra - (in_kernel_space(self_ra) ? 16 : 24);  in ftrace_get_parent_ra_addr()
300 		safe_load_code(code, ip, faulted);  in ftrace_get_parent_ra_addr()
313 		ip -= 4;  in ftrace_get_parent_ra_addr()