46 	unsigned int op;  in ftrace_call_replace()  local
51 	op = create_branch((unsigned int *)ip, addr, link ? 1 : 0);  in ftrace_call_replace()
53 	return op;  in ftrace_call_replace()
98 static int is_bl_op(unsigned int op)  in is_bl_op()  argument
100 	return (op & 0xfc000003) == 0x48000001;  in is_bl_op()
103 static int is_b_op(unsigned int op)  in is_b_op()  argument
105 	return (op & 0xfc000003) == 0x48000000;  in is_b_op()
108 static unsigned long find_bl_target(unsigned long ip, unsigned int op)  in find_bl_target()  argument
112 	offset = (op & 0x03fffffc);  in find_bl_target()
128 	unsigned int op, pop;  in __ftrace_make_nop()  local
131 	if (probe_kernel_read(&op, (void *)ip, sizeof(int))) {  in __ftrace_make_nop()
137 	if (!is_bl_op(op)) {  in __ftrace_make_nop()
138 		pr_err("Not expected bl: opcode is %x\n", op);  in __ftrace_make_nop()
143 	tramp = find_bl_target(ip, op);  in __ftrace_make_nop()
165 	if (probe_kernel_read(&op, (void *)(ip - 4), 4)) {  in __ftrace_make_nop()
171 	if (op != PPC_INST_MFLR && op != PPC_INST_STD_LR) {  in __ftrace_make_nop()
172 		pr_err("Unexpected instruction %08x around bl _mcount\n", op);  in __ftrace_make_nop()
196 	if (probe_kernel_read(&op, (void *)(ip+4), MCOUNT_INSN_SIZE)) {  in __ftrace_make_nop()
201 	if (op != PPC_INST_LD_TOC) {  in __ftrace_make_nop()
202 		pr_err("Expected %08x found %08x\n", PPC_INST_LD_TOC, op);  in __ftrace_make_nop()
220 	unsigned int op;  in __ftrace_make_nop()  local
225 	if (probe_kernel_read(&op, (void *)ip, MCOUNT_INSN_SIZE))  in __ftrace_make_nop()
229 	if (!is_bl_op(op)) {  in __ftrace_make_nop()
230 		pr_err("Not expected bl: opcode is %x\n", op);  in __ftrace_make_nop()
235 	tramp = find_bl_target(ip, op);  in __ftrace_make_nop()
277 	op = PPC_INST_NOP;  in __ftrace_make_nop()
279 	if (patch_instruction((unsigned int *)ip, op))  in __ftrace_make_nop()
325 	int i, op;  in setup_mcount_compiler_tramp()  local
344 	if (probe_kernel_read(&op, (void *)tramp, sizeof(int))) {  in setup_mcount_compiler_tramp()
350 	if (!is_b_op(op)) {  in setup_mcount_compiler_tramp()
356 	ptr = find_bl_target(tramp, op);  in setup_mcount_compiler_tramp()
391 	unsigned int op;  in __ftrace_make_nop_kernel()  local
394 	if (probe_kernel_read(&op, (void *)ip, sizeof(int))) {  in __ftrace_make_nop_kernel()
400 	if (!is_bl_op(op)) {  in __ftrace_make_nop_kernel()
401 		pr_err("Not expected bl: opcode is %x\n", op);  in __ftrace_make_nop_kernel()
406 	tramp = find_bl_target(ip, op);  in __ftrace_make_nop_kernel()
513 	unsigned int op[2];  local
519 	if (probe_kernel_read(op, ip, sizeof(op)))
522 	if (!expected_nop_sequence(ip, op[0], op[1])) {
524 		ip, op[0], op[1]);
577 	unsigned int op;  local
581 	if (probe_kernel_read(&op, (void *)ip, MCOUNT_INSN_SIZE))
585 	if (op != PPC_INST_NOP) {
586 		pr_err("Expected NOP but have %x\n", op);
597 	op = create_branch((unsigned int *)ip,
599 	if (!op) {
606 	if (patch_instruction((unsigned int *)ip, op))
616 	unsigned int op;  local
637 	if (probe_kernel_read(&op, ip, sizeof(op))) {
642 	if (op != PPC_INST_NOP) {
643 		pr_err("Unexpected call sequence at %p: %x\n", ip, op);
703 	unsigned int op;  local
715 	if (probe_kernel_read(&op, (void *)ip, sizeof(int))) {
721 	if (!is_bl_op(op)) {
722 		pr_err("Not expected bl: opcode is %x\n", op);
727 	tramp = find_bl_target(ip, op);