Blame libdw/dwarf_decl_line.c

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/* Get line number of beginning of given function.
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   Copyright (C) 2005, 2009 Red Hat, Inc.
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   This file is part of elfutils.
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   Written by Ulrich Drepper <drepper@redhat.com>, 2005.
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   This file is free software; you can redistribute it and/or modify
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   it under the terms of either
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     * the GNU Lesser General Public License as published by the Free
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       Software Foundation; either version 3 of the License, or (at
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       your option) any later version
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   or
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     * the GNU General Public License as published by the Free
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       Software Foundation; either version 2 of the License, or (at
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       your option) any later version
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   or both in parallel, as here.
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   elfutils is distributed in the hope that it will be useful, but
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   WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   General Public License for more details.
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   You should have received copies of the GNU General Public License and
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   the GNU Lesser General Public License along with this program.  If
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   not, see <http://www.gnu.org/licenses/>.  */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include <dwarf.h>
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#include <limits.h>
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#include "libdwP.h"
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int
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dwarf_decl_line (Dwarf_Die *func, int *linep)
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{
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  return __libdw_attr_intval (func, linep, DW_AT_decl_line);
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}
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OLD_VERSION (dwarf_decl_line, ELFUTILS_0.122)
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NEW_VERSION (dwarf_decl_line, ELFUTILS_0.143)
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int internal_function
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__libdw_attr_intval (Dwarf_Die *die, int *linep, int attval)
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{
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  Dwarf_Attribute attr_mem;
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  Dwarf_Word line;
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  int res = INTUSE(dwarf_formudata) (INTUSE(dwarf_attr_integrate)
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				     (die, attval, &attr_mem),
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				     &line);
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  if (res == 0)
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    {
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      if (line > INT_MAX)
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	{
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	  __libdw_seterrno (DWARF_E_INVALID_DWARF);
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	  res = -1;
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	}
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      else
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	*linep = line;
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    }
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  return res;
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}