do_sigreturn      204 arch/alpha/kernel/signal.c do_sigreturn(struct sigcontext __user *sc)
do_sigreturn      785 arch/m68k/kernel/signal.c asmlinkage int do_sigreturn(struct pt_regs *regs, struct switch_stack *sw)
do_sigreturn       76 arch/sparc/kernel/signal_32.c asmlinkage void do_sigreturn(struct pt_regs *regs)