206 	kprobe_opcode_t *buff, branch_op_callback, branch_emulate_step;  in arch_prepare_optimized_kprobe()  local
219 	buff = get_ppc_optinsn_slot();  in arch_prepare_optimized_kprobe()
220 	if (!buff)  in arch_prepare_optimized_kprobe()
232 	b_offset = (unsigned long)buff - (unsigned long)p->addr;  in arch_prepare_optimized_kprobe()
237 	b_offset = (unsigned long)(buff + TMPL_RET_IDX) -  in arch_prepare_optimized_kprobe()
245 	pr_devel("Copying template to %p, size %lu\n", buff, size);  in arch_prepare_optimized_kprobe()
247 		rc = patch_instruction(buff + i, *(optprobe_template_entry + i));  in arch_prepare_optimized_kprobe()
256 	patch_imm64_load_insns((unsigned long)op, buff + TMPL_OP_IDX);  in arch_prepare_optimized_kprobe()
268 	branch_op_callback = create_branch((unsigned int *)buff + TMPL_CALL_HDLR_IDX,  in arch_prepare_optimized_kprobe()
272 	branch_emulate_step = create_branch((unsigned int *)buff + TMPL_EMULATE_IDX,  in arch_prepare_optimized_kprobe()
279 	patch_instruction(buff + TMPL_CALL_HDLR_IDX, branch_op_callback);  in arch_prepare_optimized_kprobe()
280 	patch_instruction(buff + TMPL_EMULATE_IDX, branch_emulate_step);  in arch_prepare_optimized_kprobe()
285 	patch_imm32_load_insns(*p->ainsn.insn, buff + TMPL_INSN_IDX);  in arch_prepare_optimized_kprobe()
290 	patch_branch(buff + TMPL_RET_IDX, (unsigned long)nip, 0);  in arch_prepare_optimized_kprobe()
292 	flush_icache_range((unsigned long)buff,  in arch_prepare_optimized_kprobe()
293 			   (unsigned long)(&buff[TMPL_END_IDX]));  in arch_prepare_optimized_kprobe()
295 	op->optinsn.insn = buff;  in arch_prepare_optimized_kprobe()
300 	free_ppc_optinsn_slot(buff, 0);  in arch_prepare_optimized_kprobe()