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Annotation of Gnu-Mach/ddb/tr.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * (c) Copyright 1992, 1993, 1994, 1995 OPEN SOFTWARE FOUNDATION, INC. 
        !             3:  * ALL RIGHTS RESERVED 
        !             4:  */
        !             5: /*
        !             6:  * OSF RI nmk19b2 5/2/95
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  *     File:           ddb/tr.h
        !            11:  *     Author:         Alan Langerman, Jeffrey Heller
        !            12:  *     Date:           1992
        !            13:  *
        !            14:  *     Internal trace routines.  Like old-style XPRs but
        !            15:  *     less formatting.
        !            16:  */
        !            17: 
        !            18: #include <mach_assert.h>
        !            19: #include <mach_tr.h>
        !            20: 
        !            21: /*
        !            22:  *     Originally, we only wanted tracing when
        !            23:  *     MACH_TR and MACH_ASSERT were turned on
        !            24:  *     together.  Now, there's no reason why
        !            25:  *     MACH_TR and MACH_ASSERT can't be completely
        !            26:  *     orthogonal.
        !            27:  */
        !            28: #define        TRACE_BUFFER    (MACH_TR)
        !            29: 
        !            30: /*
        !            31:  *     Log events in a circular trace buffer for future debugging.
        !            32:  *     Events are unsigned integers.  Each event has a descriptive
        !            33:  *     message.
        !            34:  *
        !            35:  *     TR_DECL must be used at the beginning of a routine using
        !            36:  *     one of the tr calls.  The macro should be passed the name
        !            37:  *     of the function surrounded by quotation marks, e.g.,
        !            38:  *             TR_DECL("netipc_recv_intr");
        !            39:  *     and should be terminated with a semi-colon.  The TR_DECL
        !            40:  *     must be the *last* declaration in the variable declaration
        !            41:  *     list, or syntax errors will be introduced when TRACE_BUFFER
        !            42:  *     is turned off.
        !            43:  */
        !            44: #ifndef        _DDB_TR_H_
        !            45: #define        _DDB_TR_H_
        !            46: 
        !            47: #if    TRACE_BUFFER
        !            48: 
        !            49: #include <machine/db_machdep.h>
        !            50: 
        !            51: #define        __ui__                  (unsigned int)
        !            52: #define        TR_INIT()               tr_init()
        !            53: #define TR_SHOW(a,b,c)         show_tr((a),(b),(c))
        !            54: #define        TR_DECL(funcname)       char    *__ntr_func_name__ = funcname
        !            55: #define        tr1(msg)                                                        \
        !            56:        tr(__ntr_func_name__, __FILE__, __LINE__, (msg),                \
        !            57:                0,0,0,0)
        !            58: #define        tr2(msg,tag1)                                                   \
        !            59:        tr(__ntr_func_name__, __FILE__, __LINE__, (msg),                \
        !            60:                __ui__(tag1),0,0,0)
        !            61: #define        tr3(msg,tag1,tag2)                                              \
        !            62:        tr(__ntr_func_name__, __FILE__, __LINE__, (msg),                \
        !            63:                __ui__(tag1),__ui__(tag2),0,0)
        !            64: #define        tr4(msg,tag1,tag2,tag3)                                         \
        !            65:        tr(__ntr_func_name__, __FILE__, __LINE__, (msg),                \
        !            66:                __ui__(tag1),__ui__(tag2),__ui__(tag3),0)
        !            67: #define        tr5(msg,tag1,tag2,tag3,tag4)                                    \
        !            68:        tr(__ntr_func_name__, __FILE__, __LINE__, (msg),                \
        !            69:                __ui__(tag1),__ui__(tag2),__ui__(tag3),__ui__(tag4))
        !            70: 
        !            71: /*
        !            72:  *     Adjust tr log indentation based on function
        !            73:  *     call graph; this method is quick-and-dirty
        !            74:  *     and only works safely on a uniprocessor.
        !            75:  */
        !            76: extern int tr_indent;
        !            77: #define        tr_start()      tr_indent++
        !            78: #define tr_stop()      tr_indent--
        !            79: 
        !            80: extern void    tr_init(void);
        !            81: extern void    tr(
        !            82:                        char            *funcname,
        !            83:                        char            *file,
        !            84:                        unsigned int    lineno,
        !            85:                        char            *fmt,
        !            86:                        unsigned int    tag1,
        !            87:                        unsigned int    tag2,
        !            88:                        unsigned int    tag3,
        !            89:                        unsigned int    tag4);
        !            90: 
        !            91: extern void db_show_tr(
        !            92:                        db_expr_t       addr,
        !            93:                        boolean_t       have_addr,
        !            94:                        db_expr_t       count,
        !            95:                        char *          modif);
        !            96: 
        !            97: #else  /* TRACE_BUFFER */
        !            98: 
        !            99: #define        TR_INIT()
        !           100: #define TR_SHOW(a,b,c)
        !           101: #define        TR_DECL(funcname)
        !           102: #define tr1(msg)
        !           103: #define tr2(msg, tag1)
        !           104: #define tr3(msg, tag1, tag2)
        !           105: #define tr4(msg, tag1, tag2, tag3)
        !           106: #define tr5(msg, tag1, tag2, tag3, tag4)
        !           107: #define        tr_start()
        !           108: #define tr_stop()
        !           109: 
        !           110: #endif /* TRACE_BUFFER */
        !           111: 
        !           112: #endif /* _DDB_TR_H_ */

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