diff options
Diffstat (limited to 'sysdeps/s390/s390-32/bits/setjmp.h')
| -rw-r--r-- | sysdeps/s390/s390-32/bits/setjmp.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-32/bits/setjmp.h b/sysdeps/s390/s390-32/bits/setjmp.h new file mode 100644 index 0000000000..d3afbe5f07 --- /dev/null +++ b/sysdeps/s390/s390-32/bits/setjmp.h @@ -0,0 +1,52 @@ +/* Copyright (C) 2000, 2001 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Define the machine-dependent type `jmp_buf'. IBM s390 version. */ + +#ifndef __S390_SETJMP_H__ +#define __S390_SETJMP_H__ + +#define __JB_GPR6 0 +#define __JB_GPR7 1 +#define __JB_GPR8 2 +#define __JB_GPR9 3 +#define __JB_GPR10 4 +#define __JB_GPR11 5 +#define __JB_GPR12 6 +#define __JB_GPR13 7 +#define __JB_GPR14 8 +#define __JB_GPR15 9 + +#ifndef _ASM + +typedef struct { + /* We save registers 6-15. */ + long int gregs[10]; + + /* We save fpu registers 4 and 6. */ + long fpregs[4]; +} __jmp_buf[1]; + +#endif + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((int) (address) < (jmpbuf)->gregs[__JB_GPR15]) + +#endif /* __S390_SETJMP_H__ */ |