diff options
Diffstat (limited to 'sysdeps/alpha/setjmp.S')
| -rw-r--r-- | sysdeps/alpha/setjmp.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/alpha/setjmp.S b/sysdeps/alpha/setjmp.S new file mode 100644 index 0000000000..08932ccd1a --- /dev/null +++ b/sysdeps/alpha/setjmp.S @@ -0,0 +1,29 @@ +/* Copyright (C) 1992, 1994 Free Software Foundation, Inc. +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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sysdep.h> + +/* The function __sigsetjmp_aux saves all the registers, but it can't + reliably access the stack or frame pointers, so we pass them in as + extra arguments. */ +ENTRY (__sigsetjmp) + lda $27, __sigsetjmp_aux/* Load address to jump to. */ + bis $15, $15, $18 /* Pass FP as 3rd arg. */ + bis $30, $30, $19 /* Pass SP as 4th arg. */ + jmp $31, ($27), __sigsetjmp_aux /* Call __sigsetjmp_aux. */ + .end __sigsetjmp |