1178580Simp/* $NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $ */ 2178580Simp 3178580Simp/*- 4178580Simp * Copyright (c) 1991, 1993, 1995, 5178580Simp * The Regents of the University of California. All rights reserved. 6178580Simp * 7178580Simp * This code is derived from software contributed to Berkeley by 8178580Simp * Havard Eidnes. 9178580Simp * 10178580Simp * Redistribution and use in source and binary forms, with or without 11178580Simp * modification, are permitted provided that the following conditions 12178580Simp * are met: 13178580Simp * 1. Redistributions of source code must retain the above copyright 14178580Simp * notice, this list of conditions and the following disclaimer. 15178580Simp * 2. Redistributions in binary form must reproduce the above copyright 16178580Simp * notice, this list of conditions and the following disclaimer in the 17178580Simp * documentation and/or other materials provided with the distribution. 18178580Simp * 3. Neither the name of the University nor the names of its contributors 19178580Simp * may be used to endorse or promote products derived from this software 20178580Simp * without specific prior written permission. 21178580Simp * 22178580Simp * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23178580Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24178580Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25178580Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26178580Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27178580Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28178580Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29178580Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30178580Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31178580Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32178580Simp * SUCH DAMAGE. 33178580Simp */ 34178580Simp 35178580Simp#include <machine/asm.h> 36178580Simp__FBSDID("$FreeBSD: releng/10.3/lib/libc/mips/gen/sigsetjmp.S 282143 2015-04-28 12:52:08Z emaste $"); 37178580Simp#include <machine/regnum.h> 38178580Simp#if defined(LIBC_SCCS) && !defined(lint) 39178580Simp ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93") 40178580Simp ASMSTR("$NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $") 41178580Simp#endif /* LIBC_SCCS and not lint */ 42178580Simp 43209231Sjchandra#include "SYS.h" 44209231Sjchandra 45178580Simp#ifdef __ABICALLS__ 46178580Simp .abicalls 47178580Simp#endif 48178580Simp 49178580Simp/* 50178580Simp * C library -- sigsetjmp, siglongjmp 51178580Simp * 52178580Simp * siglongjmp(a,v) 53178580Simp * will generate a "return(v)" from 54178580Simp * the last call to 55178580Simp * sigsetjmp(a, savemask) 56178580Simp * by restoring registers from the stack, 57178580Simp * and dependent on savemask restores the 58178580Simp * signal mask. 59178580Simp */ 60178580Simp 61178580SimpLEAF(sigsetjmp) 62209231Sjchandra PIC_PROLOGUE(sigsetjmp) 63209231Sjchandra 64282143Semaste bne a1, zero, 1f # do saving of signal mask? 65209231Sjchandra PIC_TAILCALL(_setjmp) 66178580Simp 67209231Sjchandra1: PIC_TAILCALL(setjmp) 68178580SimpEND(sigsetjmp) 69178580Simp 70178580SimpLEAF(siglongjmp) 71209231Sjchandra PIC_PROLOGUE(siglongjmp) 72209231Sjchandra REG_L t0, (_JB_MAGIC * SZREG)(a0) 73209231Sjchandra REG_LI t1, _JB_MAGIC__SETJMP 74178580Simp bne t0, t1, 1f # setjmp or _setjmp magic? 75209231Sjchandra PIC_TAILCALL(_longjmp) 76209231Sjchandra1: PIC_TAILCALL(longjmp) 77178580SimpEND(siglongjmp) 78