escape.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 61 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
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


/*  Beginning of any escape sequence */

#define ESC     0x6b    /*  NOT the same as the 8086/8 ESCape instruction */

typedef enum {
        SYM,
        IMP,
        REL,
        LBL,
        ABS,
        FUN,
        NOC
} escape_class;

/*  bit flags */
#define OFST    0x10
#define BASE    0x20
#define LDOF    0x40
#define SELF    0x80

#define MASK    (OFST|BASE|LDOF|SELF)


enum fe_fixup_types {
        FE_FIX_BASE,
        FE_FIX_OFF,
        FE_FIX_SELF
};