setup_rt_frame
ret = setup_rt_frame(ksig, oldset, regs);
failed = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(usig, ksig, oldset, regs);
ret = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(ksig, sigmask_to_save(), regs);
ret = setup_rt_frame(vdso + current->thread.vdso->offset_sigreturn, ksig, regs, oldset);
err = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(ksig, oldset, regs);
int (* const setup_rt_frame)(void *sig_return, struct ksignal *ksig,
.setup_rt_frame = setup_rt_frame,
ret = abi->setup_rt_frame(vdso + abi->vdso->off_rt_sigreturn,
.setup_rt_frame = setup_rt_frame_n32,
.setup_rt_frame = setup_rt_frame_32,
ret = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(ksig, sigmask_to_save(), regs);
ret = setup_rt_frame(ksig, oldset, regs, in_syscall);
ret = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(ksig, oldset, regs);
ret = setup_rt_frame(ksig, oldset, regs);
err = setup_rt_frame(ksig, regs, oldset);
signal_setup_done(setup_rt_frame(&ksig, regs), &ksig, 0);
failed = (setup_rt_frame(ksig, regs) < 0);