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Annotation of Gnu-Mach/util/debug.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Copyright (c) 1995-1993 The University of Utah and
        !             3:  * the Computer Systems Laboratory at the University of Utah (CSL).
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Permission to use, copy, modify and distribute this software is hereby
        !             7:  * granted provided that (1) source code retains these copyright, permission,
        !             8:  * and disclaimer notices, and (2) redistributions including binaries
        !             9:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            10:  * materials mentioning features or use of this software display the following
        !            11:  * acknowledgement: ``This product includes software developed by the
        !            12:  * Computer Systems Laboratory at the University of Utah.''
        !            13:  *
        !            14:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            15:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        !            16:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            17:  *
        !            18:  * CSL requests users of this software to return to [email protected] any
        !            19:  * improvements that they make and grant CSL redistribution rights.
        !            20:  *
        !            21:  *      Author: Bryan Ford, University of Utah CSL
        !            22:  */
        !            23: /*
        !            24:  *     File:   debug.h
        !            25:  *     Author: Bryan Ford
        !            26:  *
        !            27:  *     This file contains definitions for kernel debugging,
        !            28:  *     which are compiled in on the DEBUG symbol.
        !            29:  *
        !            30:  */
        !            31: #ifndef _MACH_UTIL_DEBUG_H_
        !            32: #define _MACH_UTIL_DEBUG_H_
        !            33: 
        !            34: #include <mach/macro_help.h>
        !            35: 
        !            36: 
        !            37: #ifdef DEBUG
        !            38: 
        !            39: extern void panic(const char *fmt, ...);
        !            40: 
        !            41: #define here() printf("@ %s:%d\n", __FILE__, __LINE__)
        !            42: #define message(args) ({ printf("@ %s:%d: ", __FILE__, __LINE__); printf args; printf("\n"); })
        !            43: 
        !            44: #define otsan() panic("%s:%d: off the straight and narrow!", __FILE__, __LINE__)
        !            45: 
        !            46: #define assert(v)                                                      \
        !            47:        MACRO_BEGIN                                                     \
        !            48:                if (!(v))                                               \
        !            49:                        panic("%s:%d: failed assertion `"#v"'\n",       \
        !            50:                                __FILE__, __LINE__);                    \
        !            51:        MACRO_END
        !            52: 
        !            53: #define do_debug(stmt) stmt
        !            54: 
        !            55: #define debugmsg(args) \
        !            56:        ({ printf("%s:%d: ", __FILE__, __LINE__); printf args; printf("\n"); })
        !            57: 
        !            58: #define struct_id_decl         unsigned struct_id;
        !            59: #define struct_id_init(p,id)   ((p)->struct_id = (id))
        !            60: #define struct_id_denit(p)     ((p)->struct_id = 0)
        !            61: #define struct_id_verify(p,id) \
        !            62:        ({ if ((p)->struct_id != (id)) \
        !            63:                panic("%s:%d: "#p" (%08x) struct_id should be "#id" (%08x), is %08x\n", \
        !            64:                        __FILE__, __LINE__, (p), (id), (p->struct_id)); \
        !            65:        })
        !            66: 
        !            67: #else !DEBUG
        !            68: 
        !            69: #define otsan()
        !            70: #define assert(v)
        !            71: #define do_debug(stmt)
        !            72: #define debugmsg(args)
        !            73: 
        !            74: #define struct_id_decl
        !            75: #define struct_id_init(p,id)
        !            76: #define struct_id_denit(p)
        !            77: #define struct_id_verify(p,id)
        !            78: 
        !            79: #endif !DEBUG
        !            80: 
        !            81: #endif _MACH_UTIL_DEBUG_H_

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