/* $OpenBSD: sigsetjmp.S,v 1.2 2001/10/11 21:56:53 millert Exp $ */ /* $NetBSD: sigsetjmp.S,v 1.5 2000/08/28 00:45:59 eeh Exp $ */ /* * Copyright (c) 1995 Paul Kranenburg * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Paul Kranenburg. * 4. 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. * */ #include "SYS.h" #ifdef PIC ENTRY(sigsetjmp) PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE set _C_LABEL(setjmp), %o2 ! if (%o1 != 0) goto _setjmp; set _C_LABEL(_setjmp), %o3 ! else goto __setjmp; movrnz %o1, %o2, %o3 ldx [%g1+%o3], %g1 jmp %g1 st %o1,[%o0 + 8*14] ! jmpbuf[JBLEN] ENTRY(siglongjmp) PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE ld [%o0 + 8*14],%o2 ! jmpbuf[JBLEN] set _C_LABEL(longjmp), %o3 ! if (%o2 != 0) goto _longjmp; set _C_LABEL(_longjmp), %o4 ! else goto __longjmp; movrnz %o2, %o3, %o4 ldx [%g1 + %o4], %g1 jmp %g1 nop unimp 0 #else /* PIC */ ENTRY(sigsetjmp) brz,pt %o1,_C_LABEL(_setjmp) st %o1,[%o0 + 8*14] ! jmpbuf[JBLEN] ba,a,pt %icc,_C_LABEL(setjmp) nop ! spitfire bug unimp 0 ENTRY(siglongjmp) ld [%o0 + 8*14], %g1 brz,pt %g1, _C_LABEL(_longjmp) nop ba,a,pt %icc, _C_LABEL(longjmp) unimp 0 #endif /* PIC */