kprobe_breakpoint_handler
int kprobe_breakpoint_handler(struct pt_regs *regs);
if (kprobe_breakpoint_handler(regs))
bool kprobe_breakpoint_handler(struct pt_regs *regs);
NOKPROBE_SYMBOL(kprobe_breakpoint_handler);
if (kprobe_breakpoint_handler(regs))
bool kprobe_breakpoint_handler(struct pt_regs *regs);
return user ? uprobe_breakpoint_handler(regs) : kprobe_breakpoint_handler(regs);