Retro68/gcc/libgcc/config/ia64/unwind-ia64.h

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2012-03-27 23:13:14 +00:00
/* Copyright (C) 1999, 2000, 2001, 2007, 2009 Free Software Foundation, Inc.
Contributed by Andrew MacLeod <amacleod@cygnus.com>
Andrew Haley <aph@cygnus.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
struct unw_table_entry
{
unsigned long start_offset;
unsigned long end_offset;
unsigned long info_offset;
};
/* Accessors to fields of an unwind info block header. In this common file to
be visible from all the units involved in a target implementation. */
#ifndef __USING_SJLJ_EXCEPTIONS__
#define UNW_VER(x) ((x) >> 48)
#define UNW_FLAG_MASK 0x0000ffff00000000
#define UNW_FLAG_OSMASK 0x0000f00000000000
#define UNW_FLAG_EHANDLER(x) ((x) & 0x0000000100000000L)
#define UNW_FLAG_UHANDLER(x) ((x) & 0x0000000200000000L)
#define UNW_LENGTH(x) ((x) & 0x00000000ffffffffL)
#endif
extern struct unw_table_entry *
_Unwind_FindTableEntry (void *pc, unsigned long *segment_base,
unsigned long *gp, struct unw_table_entry *ent)
__attribute__ ((__visibility__ ("hidden")));