diff options
Diffstat (limited to 'sysdeps/s390/s390-32/bsd-setjmp.S')
| -rw-r--r-- | sysdeps/s390/s390-32/bsd-setjmp.S | 46 |
1 files changed, 1 insertions, 45 deletions
diff --git a/sysdeps/s390/s390-32/bsd-setjmp.S b/sysdeps/s390/s390-32/bsd-setjmp.S index 93faf4cefc..1417270201 100644 --- a/sysdeps/s390/s390-32/bsd-setjmp.S +++ b/sysdeps/s390/s390-32/bsd-setjmp.S @@ -1,45 +1 @@ -/* 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* 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) +/* We don't need any code here since the setjmp.S file contains it. */ |