dbgbreak.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 96 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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*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
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*    The Original Code and all software distributed under the License are
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


#include "dbgitem.h"
#include "madtypes.h"

/*
    Some trickyness here. The symbol brk is defined as a function in the
    QNX version of stdlib, but it's a type in the debugger. Sigh.
*/
#ifdef __UNIX__
    #define brk break_point
#endif

typedef struct
{
    unsigned    active : 1;
    unsigned    resume : 1;
    unsigned    silent : 1;
    unsigned    hit : 1;

    unsigned    in_place : 1;
    unsigned    has_value : 1;
    unsigned    has_address : 1;
    unsigned    unmapped : 1;

    unsigned    cmds_pushed : 1;
    unsigned    expr_true : 1;
    unsigned    expr_error : 1;
    unsigned    cmd_error : 1;

    unsigned    source_open : 1;
    unsigned    activate_on_remap : 1;
    unsigned    autodestruct : 1;
    unsigned    use_countdown : 1;

    unsigned    use_cmds : 1;
    unsigned    use_condition : 1;
} brk_status;

#define NullStatus( b ) memset( &((b)->status), 0, sizeof( (b)->status ) )

typedef struct brk {
        mappable_addr   loc;
        item_mach       item;   /* opcode in break points */
        mad_type_handle th;     /* how to format data item */
        mad_handle      mad;    /* MAD to use when formatting */
        unsigned_8      __unused_size;
        cmd_list        *cmds;
        int             index;
        long            total_hits;
        long            countdown;
        struct brk      *next;
        char            *condition;
        char            *error;
        char            *source_line;
        union {
            brk_status  b;
        } status;
        long    initial_countdown;
        char    *image_name;
        char    *mod_name;
        char    *sym_name;
        long    cue_diff;
        long    addr_diff;
} brk;