symlist.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 79 行

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
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*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <wlib.h>

static void (*Rtn)(char*,symbol_strength,unsigned char);

orl_return CheckSymbol( orl_symbol_handle orl_sym_hnd )
/***************************************************/
{
    orl_symbol_binding  binding;
    char                *name;
    orl_symbol_type     type;
    unsigned char       info;

    name = ORLSymbolGetName( orl_sym_hnd );
    binding = ORLSymbolGetBinding( orl_sym_hnd );
    if( binding == ORL_SYM_BINDING_GLOBAL || binding == ORL_SYM_BINDING_WEAK ) {
        type = ORLSymbolGetType( orl_sym_hnd );
        info = ORLSymbolGetRawInfo( orl_sym_hnd );
        if( !( type & ORL_SYM_TYPE_UNDEFINED ) ) {
            if( type & ORL_SYM_CDAT_MASK || binding == ORL_SYM_BINDING_WEAK ) {
                Rtn( name, SYM_WEAK, info );
            } else {
                Rtn( name,  SYM_STRONG, info );
            }
        } else if( ORLSymbolGetValue( orl_sym_hnd ) != 0 ) {
            Rtn( name,  SYM_WEAK, info );
        }
    }
    return( ORL_OKAY );
}

bool ObjWalkSymList( obj_file *ofile, sym_file *sfile, void (*rtn)(char*name,symbol_strength,unsigned char) )
{
    orl_sec_handle      sym_sec_hnd;

    Rtn = rtn;
    if( ofile->orl ) {
        sym_sec_hnd = ORLFileGetSymbolTable( ofile->orl );
        if( sym_sec_hnd == NULL ) return( FALSE );
        if( ORLSymbolSecScan( sym_sec_hnd, &CheckSymbol ) != ORL_OKAY ) {
            return( FALSE );
        }
    } else {
        OMFWalkSymList( ofile, sfile, rtn );
    }
    return( TRUE );
}