diff options
Diffstat (limited to 'nptl/sysdeps/s390/jmpbuf-unwind.h')
| -rw-r--r-- | nptl/sysdeps/s390/jmpbuf-unwind.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/nptl/sysdeps/s390/jmpbuf-unwind.h b/nptl/sysdeps/s390/jmpbuf-unwind.h new file mode 100644 index 0000000000..9f7e1ad583 --- /dev/null +++ b/nptl/sysdeps/s390/jmpbuf-unwind.h @@ -0,0 +1,37 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <setjmp.h> +#include <stdint.h> +#include <unwind.h> +#include <bits/wordsize.h> + +/* On s390{,x}, CFA is always 96 (resp. 160) bytes above actual + %r15. */ +#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ + _JMPBUF_UNWINDS_ADJ (_jmpbuf, \ + (void *) (_Unwind_GetCFA (_context) \ + - 32 - 2 * __WORDSIZE), _adj) + +#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ + ((uintptr_t) (_address) - (_adj) \ + < (uintptr_t) (_jmpbuf)->__gregs[__JB_GPR15] - (_adj)) + +/* We use the normal longjmp for unwinding. */ +#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) |