/* $NetBSD: sigsetjmp.S,v 1.7 2013/09/12 15:36:16 joerg 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(__sigsetjmp14) PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE tst %o1 bnz 1f st %o1, [%o0 + 56] ! jmpbuf[JBLEN] = savemask !! if (savemask == 0) goto _setjmp set _C_LABEL(_setjmp), %g2 ld [%g1 + %g2], %g1 jmp %g1 nop !! if (savemask != 0) goto setjmp 1: set _C_LABEL(__setjmp14), %g2 ld [%g1 + %g2], %g1 jmp %g1 nop ENTRY(__siglongjmp14) PIC_PROLOGUE(%g1, %g2) ! %g1 = _GLOBAL_OFFSET_TABLE ld [%o0 + 56], %g2 ! restoremask = jmpbuf[JBLEN] tst %g2 bnz 1f nop !! if (restoremask == 0) goto _longjmp set _C_LABEL(_longjmp), %g2 ld [%g1 + %g2], %g1 jmp %g1 nop !! if (restoremask != 0) goto longjmp 1: set _C_LABEL(__longjmp14), %g2 ld [%g1 + %g2], %g1 jmp %g1 nop #else /* !__PIC__ */ ENTRY(__sigsetjmp14) cmp %o1,0 be _C_LABEL(_setjmp) st %o1,[%o0+56] ! jmpbuf[JBLEN] nop ba,a _C_LABEL(__setjmp14) unimp 0 ENTRY(__siglongjmp14) ld [%o0+56],%g1 cmp %g1,0 be _C_LABEL(_longjmp) nop ba,a _C_LABEL(__longjmp14) unimp 0 #endif /* !__PIC__ */