diff options
Diffstat (limited to 'libc/sysdeps/linux/xtensa/jmpbuf-unwind.h')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/jmpbuf-unwind.h | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h b/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h index 41f81dbad..4516d9398 100644 --- a/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h +++ b/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h @@ -1,25 +1,23 @@ -/* Copyright (C) 1997, 1998, 2007 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 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/>. */ - -/* Test if longjmp to JMPBUF would unwind the frame containing a local - variable at ADDRESS. */ - +/* + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ #include <setjmp.h> #include <jmpbuf-offsets.h> +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ ((void *) (address) < (void *) (jmpbuf)[JB_SP]) + +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include <stdint.h> +#include <unwind.h> + +#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ + _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) + +#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ + ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj)) +#endif |