incubator-nuttx/libs/libxx/libxx__gnu_unwind_find_exid...

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//***************************************************************************
// lib/libxx__gnu_unwind_find_exidx.hxx
//
// Copyright (C) 2015 Gregory Nutt. All rights reserved.
// Author: Gregory Nutt <gnutt@nuttx.org>
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in
// the documentation and/or other materials provided with the
// distribution.
// 3. Neither the name NuttX nor the names of its contributors may be
// used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//***************************************************************************
#ifndef __LIBXX_LIBXX__GNU_UNWIND_FIND_EXIDX_HXX
#define __LIBXX_LIBXX__GNU_UNWIND_FIND_EXIDX_HXX
extern "C"
{
//***************************************************************************
// Included Files
//***************************************************************************
#include <elf32.h>
#include <unwind.h>
//***************************************************************************
// Pre-processor Definitions
//***************************************************************************
//***************************************************************************
// Public Types
//***************************************************************************/
typedef struct __EIT_entry
{
_uw fnoffset;
_uw content;
} __EIT_entry;
//***************************************************************************
// Public Data
//***************************************************************************
extern __EIT_entry __exidx_start;
extern __EIT_entry __exidx_end;
__EIT_entry *__exidx_start_elf;
__EIT_entry *__exidx_end_elf;
//***************************************************************************
// Public Function Prototypes
//***************************************************************************
_Unwind_Ptr __gnu_Unwind_Find_exidx(_Unwind_Ptr return_address, int *nrecp);
} // extern "C"
#endif // __LIBXX__GNU_UNWIND_FIND_EXIDX_HXX