C++ (Cpp) ObjNopPad示例

示例#1

文件： asiobj.c 项目： jmalak/open-watcom-v2

extern owl_offset ObjAlign( uint_8 alignment ) {
//**********************************************
// Aligns the offset to 2^alignment boundary. Returns the offset for
// convenience.

    owl_offset  offset;

    offset = tellOffset();
    if( alignment == 0 ) return( offset );    // alignment disabled
    alignment = 1 << alignment;
    alignment = ( alignment - ( offset % alignment ) ) % alignment;
    if( alignment == 0 ) return( offset );
    ObjNopPad( alignment / 4 );
    ObjNullPad( alignment % 4 );
    assert( offset + alignment == tellOffset() );
    return( offset + alignment );
}

示例#2

文件： obj.c 项目： ABratovic/open-watcom-v2

owl_offset ObjAlign( owl_section_handle section, uint_8 alignment ) {
//*******************************************************************
// Aligns the offset to 2^alignment boundary. Returns the offset for
// convenience.

    owl_offset  offset;

    offset = OWLTellOffset( section );
    if( alignment == 0 ) return( offset );    // alignment disabled
    alignment = 1 << alignment;
    alignment = ( alignment - ( offset % alignment ) ) % alignment;
    if( alignment == 0 ) return( offset );
    if( OWLTellSectionType( section ) & OWL_SEC_ATTR_CODE ) {
        ObjNopPad( section, alignment / 4 );
        _DBGMSG2( "Align: %d nops emitted\n", alignment / 4 );
        ObjNullPad( section, alignment % 4 );
        _DBGMSG2( "Align: %d nulls emitted\n", alignment % 4 );
    } else {
        ObjNullPad( section, alignment );
        _DBGMSG2( "Align: %d nulls emitted\n", alignment );
    }
    assert( offset + alignment == OWLTellOffset( section ) );
    return( offset + alignment );
}