1/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. x86-64 version. 2 Copyright (C) 1994-2022 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 <https://www.gnu.org/licenses/>. */ 18 19/* This just does a tail-call to `__sigsetjmp (ARG, 0)'. 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 <sysdep.h> 24#define _ASM 25#define _SETJMP_H 26#include <bits/setjmp.h> 27 28ENTRY (_setjmp) 29 /* Set up arguments, we only need to set the second arg. */ 30 xorl %esi, %esi 31#ifdef PIC 32 jmp HIDDEN_JUMPTARGET (__sigsetjmp) 33#else 34 jmp __sigsetjmp 35#endif 36END (_setjmp) 37libc_hidden_def (_setjmp) 38