Retro68/gcc/libgcc/config/ia64/unwind-ia64.h
2017-10-07 02:16:47 +02:00

58 lines
2.0 KiB
C

/* Copyright (C) 1999-2017 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef __VMS__
/* On VMS, long is a 32 bit type. */
typedef unsigned long long unw_word;
typedef long long unw_sword;
#else
typedef unsigned long unw_word;
typedef long unw_sword;
#endif
struct unw_table_entry
{
unw_word start_offset;
unw_word end_offset;
unw_word 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, unw_word *segment_base,
unw_word *gp, struct unw_table_entry *ent)
__attribute__ ((__visibility__ ("hidden")));