1/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. MIPS version. 2 Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19/* This just does a tail-call to `__sigsetjmp (ARG, 1)'. 20 We cannot do it in C because it must be a tail-call, so frame-unwinding 21 in setjmp doesn't clobber the state restored by longjmp. */ 22 23#include <sys/regdef.h> 24#include <sys/asm.h> 25 26#ifdef __PIC__ 27 .option pic2 28#endif 29 30.text 31.global setjmp 32.align 2; 33.ent setjmp,0; 34.type setjmp,@function 35 36setjmp: 37 .set noreorder 38#ifdef __PIC__ 39#if _MIPS_SIM == _MIPS_SIM_ABI32 40 .cpload t9 41 .set reorder 42 la t9, __sigsetjmp 43#else /* N32 */ 44 .cpsetup t9, v0, setjmp 45 PTR_LA t9, __sigsetjmp 46 .cprestore 47#endif /* N32 */ 48#endif 49 li a1, 1 /* Pass a second argument of one. */ 50#ifdef __PIC__ 51 jr t9 52#else 53 j __sigsetjmp 54#endif 55 .end setjmp 56