/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. s390 version. Copyright (C) 2000, 2001 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. The GNU C Library is free software ; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation ; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This just does a tail-call to `__sigsetjmp (ARG, 1)'. We cannot do it in C because it must be a tail-call, so frame-unwinding in setjmp doesn't clobber the state restored by longjmp. */ #include <sysdep.h> ENTRY(setjmp) #ifdef PIC /* We cannot use the PLT, because it requires that %r12 be set, but we can't save and restore our caller's value. Instead, we do an indirect jump through the GOT. */ basr %r1,0 .L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */ /* get address of __sigjmp_save from got */ l %r1,__sigjmp_save@GOT12(0,%r1) lhi %r3,1 /* second argument of one */ br %r1 .L1: .long _GLOBAL_OFFSET_TABLE_ - .L0 #else basr %r1,0 .L0: l %r1,.L1 - .L0(0,%r1) /* load address of __sigsetjmp */ lhi %r3,1 /* second argument of zero */ br %r1 /* branch to __sigsetjmp */ .L1: .long __sigsetjmp #endif END (setjmp)