/*

  Copyright (C) 2000,2002,2004,2005 Silicon Graphics, Inc.  All Rights Reserved.

  Portions Copyright (C) 2009-2011 David Anderson. All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it

  under the terms of version 2.1 of the GNU Lesser General Public License

  as published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but

  WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  Further, this software is distributed without any warranty that it is

  free of the rightful claim of any third person regarding infringement

  or the like.  Any license provided herein, whether implied or

  otherwise, applies only to this software file.  Patent licenses, if

  any, provided herein do not apply to combinations of this program with

  other software, or any other product whatsoever.

  You should have received a copy of the GNU Lesser General Public

  License along with this program; if not, write the Free Software

  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,

  USA.

*/

#include "config.h"

#include "dwarf_incl.h"

#include <stdio.h>

#include "dwarf_vars.h"

#include "dwarf_global.h"

int

dwarf_get_vars(Dwarf_Debug dbg,

    Dwarf_Var ** vars,

    Dwarf_Signed * ret_var_count, Dwarf_Error * error)

{

    int res = _dwarf_load_section(dbg, &dbg->de_debug_varnames,error);

    if (res != DW_DLV_OK) {

        return res;

    }

    if (!dbg->de_debug_abbrev.dss_size) {

        return (DW_DLV_NO_ENTRY);

    }

    return _dwarf_internal_get_pubnames_like_data(dbg,

        dbg->de_debug_varnames.dss_data,

        dbg->de_debug_varnames.dss_size,

        (Dwarf_Global **) vars, /* Type punning for sections

            with identical format. */

        ret_var_count,

        error,

        DW_DLA_VAR_CONTEXT,

        DW_DLA_VAR,

        DW_DLE_DEBUG_VARNAMES_LENGTH_BAD,

        DW_DLE_DEBUG_VARNAMES_VERSION_ERROR);

}

/* Deallocating fully requires deallocating the list

   and all entries.  But some internal data is

   not exposed, so we need a function with internal knowledge.

*/

void

dwarf_vars_dealloc(Dwarf_Debug dbg, Dwarf_Var * dwgl,

    Dwarf_Signed count)

{

    _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl,

        count,

        DW_DLA_VAR_CONTEXT,

        DW_DLA_VAR, DW_DLA_LIST);

    return;

}

int

dwarf_varname(Dwarf_Var var_in, char **ret_varname, Dwarf_Error * error)

{

    Dwarf_Global var = (Dwarf_Global) var_in;

    if (var == NULL) {

        _dwarf_error(NULL, error, DW_DLE_VAR_NULL);

        return (DW_DLV_ERROR);

    }

    *ret_varname = (char *) (var->gl_name);

    return DW_DLV_OK;

}

int

dwarf_var_die_offset(Dwarf_Var var_in,

    Dwarf_Off * returned_offset, Dwarf_Error * error)

{

    Dwarf_Global var = (Dwarf_Global) var_in;

    return dwarf_global_die_offset(var, returned_offset, error);

}

int

dwarf_var_cu_offset(Dwarf_Var var_in,

    Dwarf_Off * returned_offset, Dwarf_Error * error)

{

    Dwarf_Global var = (Dwarf_Global) var_in;

    return dwarf_global_cu_offset(var, returned_offset, error);

}

int

dwarf_var_name_offsets(Dwarf_Var var_in,

    char **returned_name,

    Dwarf_Off * die_offset,

    Dwarf_Off * cu_offset, Dwarf_Error * error)

{

    Dwarf_Global var = (Dwarf_Global) var_in;

    return

        dwarf_global_name_offsets(var,

            returned_name, die_offset, cu_offset,

            error);

}