arch_uretprobe_hijack_return_addr 136 include/linux/uprobes.h extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs); arch_uretprobe_hijack_return_addr 1893 kernel/events/uprobes.c orig_ret_vaddr = arch_uretprobe_hijack_return_addr(trampoline_vaddr, regs);