old_opcode 266 kernel/events/uprobes.c uprobe_opcode_t old_opcode; old_opcode 278 kernel/events/uprobes.c copy_from_page(page, vaddr, &old_opcode, UPROBE_SWBP_INSN_SIZE); old_opcode 279 kernel/events/uprobes.c is_swbp = is_swbp_insn(&old_opcode);