/* $NetBSD: __sigtramp3.S,v 1.2 2011/01/25 02:38:15 matt Exp $ */ /* * Copyright (c) 2003 Matt Thomas * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Signal trampoline; registers when called: * pc, psl - obvious * sp, ap - points to argument list * 4(ap) -- signo * 8(ap) -- pointer to siginfo * 12(ap) -- pointer to ucontext * fp - address of signal handler */ #include "SYS.h" #ifdef SYSLIBC_SCCS RCSID("$NetBSD: __sigtramp3.S,v 1.2 2011/01/25 02:38:15 matt Exp $") #endif .text _ALIGN_TEXT .globl _C_LABEL(__sigtramp_siginfo_3) _C_LABEL(__sigtramp_siginfo_3): nop; nop callg (%ap),(%fp) # use global arg list addl2 $8,%ap # arg is pointer to ucontext SYSTRAP(setcontext) # exit from here halt # illegal insn