kerndebug.h revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: kerndebug.h,v 1.1.2.2 2002/02/28 04:11:46 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /* 4 1.1.2.2 nathanw * Copyright 1997 5 1.1.2.2 nathanw * Digital Equipment Corporation. All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * This software is furnished under license and may be used and 8 1.1.2.2 nathanw * copied only in accordance with the following terms and conditions. 9 1.1.2.2 nathanw * Subject to these conditions, you may download, copy, install, 10 1.1.2.2 nathanw * use, modify and distribute this software in source and/or binary 11 1.1.2.2 nathanw * form. No title or ownership is transferred hereby. 12 1.1.2.2 nathanw * 13 1.1.2.2 nathanw * 1) Any source code used, modified or distributed must reproduce 14 1.1.2.2 nathanw * and retain this copyright notice and list of conditions as 15 1.1.2.2 nathanw * they appear in the source file. 16 1.1.2.2 nathanw * 17 1.1.2.2 nathanw * 2) No right is granted to use any trade name, trademark, or logo of 18 1.1.2.2 nathanw * Digital Equipment Corporation. Neither the "Digital Equipment 19 1.1.2.2 nathanw * Corporation" name nor any trademark or logo of Digital Equipment 20 1.1.2.2 nathanw * Corporation may be used to endorse or promote products derived 21 1.1.2.2 nathanw * from this software without the prior written permission of 22 1.1.2.2 nathanw * Digital Equipment Corporation. 23 1.1.2.2 nathanw * 24 1.1.2.2 nathanw * 3) This software is provided "AS-IS" and any express or implied 25 1.1.2.2 nathanw * warranties, including but not limited to, any implied warranties 26 1.1.2.2 nathanw * of merchantability, fitness for a particular purpose, or 27 1.1.2.2 nathanw * non-infringement are disclaimed. In no event shall DIGITAL be 28 1.1.2.2 nathanw * liable for any damages whatsoever, and in particular, DIGITAL 29 1.1.2.2 nathanw * shall not be liable for special, indirect, consequential, or 30 1.1.2.2 nathanw * incidental damages or damages for lost profits, loss of 31 1.1.2.2 nathanw * revenue or loss of use, whether such damages arise in contract, 32 1.1.2.2 nathanw * negligence, tort, under statute, in equity, at law or otherwise, 33 1.1.2.2 nathanw * even if advised of the possibility of such damage. 34 1.1.2.2 nathanw */ 35 1.1.2.2 nathanw 36 1.1.2.2 nathanw /* 37 1.1.2.2 nathanw **++ 38 1.1.2.2 nathanw ** FACILITY: 39 1.1.2.2 nathanw ** 40 1.1.2.2 nathanw ** kerndebug.h 41 1.1.2.2 nathanw ** 42 1.1.2.2 nathanw ** 43 1.1.2.2 nathanw ** ABSTRACT: 44 1.1.2.2 nathanw ** 45 1.1.2.2 nathanw ** This header provides generic debugging capabilities using printf. 46 1.1.2.2 nathanw ** All debugging can be compiled out by not defining the 47 1.1.2.2 nathanw ** KERNEL_DEBUG macro. In addition the amount of debug output is 48 1.1.2.2 nathanw ** defined by individual variables controlled by each subsystem 49 1.1.2.2 nathanw ** using this utility. Finally note that the two middle bytes of 50 1.1.2.2 nathanw ** the kern debug flags (bits 16 to 23) are free for individual 51 1.1.2.2 nathanw ** subsystems to use as they please (eg. define switches for 52 1.1.2.2 nathanw ** individual functions etc). 53 1.1.2.2 nathanw ** 54 1.1.2.2 nathanw ** AUTHORS: 55 1.1.2.2 nathanw ** 56 1.1.2.2 nathanw ** John Court 57 1.1.2.2 nathanw ** 58 1.1.2.2 nathanw ** CREATION DATE: 2-Feb-1992 59 1.1.2.2 nathanw ** 60 1.1.2.2 nathanw ** MODIFICATION HISTORY: 61 1.1.2.2 nathanw ** 62 1.1.2.2 nathanw **-- 63 1.1.2.2 nathanw */ 64 1.1.2.2 nathanw #ifndef _KERNDEBUG_H_ 65 1.1.2.2 nathanw #define _KERNDEBUG_H_ 66 1.1.2.2 nathanw 67 1.1.2.2 nathanw #define KERN_DEBUG_INFO 0x00000001 68 1.1.2.2 nathanw #define KERN_DEBUG_WARNING 0x00000002 69 1.1.2.2 nathanw #define KERN_DEBUG_ERROR 0x00000010 70 1.1.2.2 nathanw #define KERN_DEBUG_SMP 0x00000020 71 1.1.2.2 nathanw #define KERN_DEBUG_PANIC 0x40000000 72 1.1.2.2 nathanw #define KERN_REAL_PANIC 0x80000000 73 1.1.2.2 nathanw #define KERN_DEBUG_ALL KERN_DEBUG_INFO | KERN_DEBUG_WARNING | \ 74 1.1.2.2 nathanw KERN_DEBUG_ERROR | KERN_DEBUG_PANIC 75 1.1.2.2 nathanw /* 76 1.1.2.2 nathanw ** Define the type for debugging flag subsystem variables 77 1.1.2.2 nathanw */ 78 1.1.2.2 nathanw typedef unsigned int Kern_Debug_Flags; 79 1.1.2.2 nathanw /* 80 1.1.2.2 nathanw ** Set up source line location macro for extra debugging and panics 81 1.1.2.2 nathanw */ 82 1.1.2.2 nathanw #ifdef __FILE__ 83 1.1.2.2 nathanw #define KERN_DEBUG_LOC ":%s:%d:=\n\t",__FILE__,__LINE__ 84 1.1.2.2 nathanw #else 85 1.1.2.2 nathanw #define KERN_DEBUG_LOC ":__FILE__ not supported :=\n\t" 86 1.1.2.2 nathanw #endif 87 1.1.2.2 nathanw 88 1.1.2.2 nathanw /* 89 1.1.2.2 nathanw ** This is real nasty in that it requires several printf's but is 90 1.1.2.2 nathanw ** unavoidable due to the differences between 91 1.1.2.2 nathanw ** preprocessors supporting standard ANSI C and others. 92 1.1.2.2 nathanw ** 93 1.1.2.2 nathanw ** NOTE: The format of calls to this macro must be 94 1.1.2.2 nathanw ** 95 1.1.2.2 nathanw ** KERN_DEBUG((Kern_Debug_Flags)CntrlVar, KERN_DEBUG_xxxx, 96 1.1.2.2 nathanw ** (normal printf arguments)); 97 1.1.2.2 nathanw ** 98 1.1.2.2 nathanw ** pay special attention to the extra set of () around the 99 1.1.2.2 nathanw ** final arguement. 100 1.1.2.2 nathanw ** 101 1.1.2.2 nathanw */ 102 1.1.2.2 nathanw #ifdef KERNEL_DEBUG 103 1.1.2.2 nathanw #define KERN_DEBUG(CntrlVar,Level,Output) \ 104 1.1.2.2 nathanw { \ 105 1.1.2.2 nathanw if ( (CntrlVar) & (Level) ) \ 106 1.1.2.2 nathanw { \ 107 1.1.2.2 nathanw if ( (CntrlVar) & (Level) & KERN_DEBUG_PANIC ) \ 108 1.1.2.2 nathanw { \ 109 1.1.2.2 nathanw printf ("KERNEL:DEBUG PANIC"); \ 110 1.1.2.2 nathanw printf (KERN_DEBUG_LOC); \ 111 1.1.2.2 nathanw printf Output; \ 112 1.1.2.2 nathanw panic("KERN_DEBUG Panicing"); \ 113 1.1.2.2 nathanw } \ 114 1.1.2.2 nathanw else \ 115 1.1.2.2 nathanw { \ 116 1.1.2.2 nathanw printf Output; \ 117 1.1.2.2 nathanw } \ 118 1.1.2.2 nathanw } \ 119 1.1.2.2 nathanw } 120 1.1.2.2 nathanw #else /* else KERNEL_DEBUG not defined */ 121 1.1.2.2 nathanw #define KERN_DEBUG(CntrlVar,Level,Output) 122 1.1.2.2 nathanw #endif /* end else KERNEL_DEBUG not defined */ 123 1.1.2.2 nathanw 124 1.1.2.2 nathanw #endif /* _KERNDEBUG_H_ */ 125 1.1.2.2 nathanw 126 1.1.2.2 nathanw 127 1.1.2.2 nathanw 128 1.1.2.2 nathanw 129 1.1.2.2 nathanw 130 1.1.2.2 nathanw 131 1.1.2.2 nathanw 132 1.1.2.2 nathanw 133
Indexes created Thu Oct 02 14:10:14 GMT 2025