watlcl.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 106 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
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include "watloc.h"

typedef struct {
    unsigned char       class;
    unsigned char       namelen;
    unsigned            type_index;
    char                *name;
    /* stuff that we don't have to parse until we know we want the lcl */
    byte                *unparsed;
} lcl_info;

/* variable, class = 1x */

typedef struct {
    lcl_info            i;
} lcl_variable;

/* code,     class = 2x */

typedef struct {
    lcl_info            i;
    unsigned int        parent_block;
    unsigned long       size;
    address             start;
} lcl_block;

typedef struct {
    lcl_block           b;
    unsigned char       pro_size;
    unsigned char       epi_size;
    unsigned long       ret_addr_offset;
} lcl_routine;

typedef struct {
    lcl_info    i;
    void        *obj_type;
    void        *obj_member;
} lcl_member;

typedef union {
    lcl_info            i;
    lcl_variable        v;
    lcl_block           b;
    lcl_routine         r;
    lcl_member          m;
} lcl_defn;


#define CLASS_MASK      0xf0
#define SUBCLASS_MASK   0x0f


/* variables */

#define VAR_SYMBOL      0x10
#define VAR_MODULE      0x00
#define VAR_LOCAL       0x01
#define VAR_MODULE386   0x02
#define VAR_MODULE_LOC  0x03

#define CODE_SYMBOL         0x20
#define CODE_BLOCK          0x00
#define CODE_NEAR_ROUT      0x01
#define CODE_FAR_ROUT       0x02
#define CODE_BLOCK386       0x03
#define CODE_NEAR_ROUT386   0x04
#define CODE_FAR_ROUT386    0x05
#define CODE_MEMBER_SCOPE   0x06

#define NEW_BASE        0x30
#define ADD_PREV_SEG    0x00
#define SET_BASE        0x01
#define SET_BASE386     0x02