272 lines
9.6 KiB
C
272 lines
9.6 KiB
C
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// Copyright (c) 1997, Microsoft Corporation, all rights reserved
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//
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// debug.h
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// RAS L2TP WAN mini-port/call-manager driver
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// Debug helper header
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//
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// 01/07/97 Steve Cobb
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#ifndef _DEBUG_H_
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#define _DEBUG_H_
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//-----------------------------------------------------------------------------
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// Debug constants
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//-----------------------------------------------------------------------------
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// Memory tags used with NdisAllocateMemoryWithTag to identify allocations
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// made by the L2TP driver. Also, several context blocks define a first field
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// of 'ulTag' set to these values for ASSERT sanity checking and eased memory
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// dump browsing. Such tags are set to MTAG_FREED just before NdisFreeMemory
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// is called.
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//
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#define MTAG_ADAPTER 'PoEa'
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#define MTAG_BINDING 'PoEb'
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#define MTAG_BUFFERPOOL 'PoEc'
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#define MTAG_PACKETPOOL 'PoEd'
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#define MTAG_PPPOEPACKET 'PoEe'
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#define MTAG_TAPIPROV 'PoEf'
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#define MTAG_LINE 'PoEg'
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#define MTAG_CALL 'PoEh'
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#define MTAG_HANDLETABLE 'PoEi'
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#define MTAG_HANDLECB 'PoEj'
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#define MTAG_TIMERQ 'PoEk'
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#define MTAG_FREED 'PoEl'
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#define MTAG_LLIST_WORKITEMS 'PoEm'
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#if 0
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#define MTAG_FREED '0T2L'
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#define MTAG_ADAPTERCB '1T2L'
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#define MTAG_TUNNELCB '2T2L'
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#define MTAG_VCCB '3T2L'
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#define MTAG_VCTABLE '4T2L'
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#define MTAG_WORKITEM '5T2L'
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#define MTAG_TIMERQ '6T2L'
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#define MTAG_TIMERQITEM '7T2L'
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#define MTAG_PACKETPOOL '8T2L'
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#define MTAG_FBUFPOOL '9T2L'
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#define MTAG_HBUFPOOL 'aT2L'
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#define MTAG_TDIXRDG 'bT2L'
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#define MTAG_TDIXSDG 'cT2L'
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#define MTAG_CTRLRECD 'dT2L'
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#define MTAG_CTRLSENT 'eT2L'
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#define MTAG_PAYLRECD 'fT2L'
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#define MTAG_PAYLSENT 'gT2L'
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#define MTAG_INCALL 'hT2L'
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#define MTAG_UTIL 'iT2L'
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#define MTAG_ROUTEQUERY 'jT2L'
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#define MTAG_ROUTESET 'kT2L'
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#define MTAG_L2TPPARAMS 'lT2L'
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#define MTAG_TUNNELWORK 'mT2L'
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#define MTAG_TDIXROUTE 'nT2L'
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#define MTAG_CTRLMSGINFO 'oT2L'
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#endif
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// Trace levels.
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//
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#define TL_None 0 // Trace disabled
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#define TL_A 0x10 // Alert
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#define TL_I 0x18 // Interface (highest level workable for general use)
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#define TL_N 0x20 // Normal
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#define TL_V 0x30 // Verbose
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// Trace mask bits.
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//
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#define TM_Mp 0x00000001 // Mini-port general
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#define TM_Tp 0x00000002 // Tapi general
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#define TM_Pr 0x00000004 // Protocol general
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#define TM_Fsm 0x00000010 // Finite state machines
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#define TM_Mn 0x00000020 // Main module
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#define TM_Pk 0x00000040 // Packet general
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#define TM_Init 0x00000020 // Initialization
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#define TM_Misc 0x00000040 // Miscellaneous
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#define TM_TWrk 0x00001000 // Tunnel work APC queuing
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#define TM_Ref 0x00010000 // References
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#define TM_Time 0x00020000 // Timer queue
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#define TM_Pool 0x00080000 // Buffer and packet pooling
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#define TM_Stat 0x00100000 // Call statistics
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#define TM_Spec 0x01000000 // Special purpose temporary traces
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#define TM_MDmp 0x10000000 // Message dumps
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#define TM_Dbg 0x80000000 // Debug corruption checks
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#define TM_Wild 0xFFFFFFFF // Everything
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#define TM_All 0x7FFFFFFF // Everything except corruption checks
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#define TM_BTWrk 0x00000FFF // Base with messages and tunnel work
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#define TM_BCMsg 0x000001FF // Base with control messages
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#define TM_XCMsg 0x001401FF // Base with control messages extended
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#define TM_Base 0x000000FF // Base only
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// Bytes to appear on each line of dump output.
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//
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#define DUMP_BytesPerLine 16
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//-----------------------------------------------------------------------------
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// Debug global declarations (defined in debug.c)
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//-----------------------------------------------------------------------------
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// Active debug trace level and active trace set mask. Set these variables
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// with the debugger at startup to enable and filter the debug output. All
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// messages with (TL_*) level less than or equal to 'g_ulTraceLevel' and from
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// any (TM_*) set(s) present in 'g_ulTraceMask' are displayed.
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//
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extern ULONG g_ulTraceLevel;
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extern ULONG g_ulTraceMask;
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//-----------------------------------------------------------------------------
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// Debug macros
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//-----------------------------------------------------------------------------
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#if DBG
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// TRACE sends printf style output to the kernel debugger. Caller indicates a
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// "verbosity" level with the 'ulLevel' argument and associates the trace with
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// one or more trace sets with the 'ulMask' bit mask argument. Notice that
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// the variable count printf arguments 'Args' must be parenthesized. For
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// example...
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//
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// A "leave" routine message:
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// TRACE( TL_N, TM_Init, ( "DriverEntry=$%x", status ) );
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// An error condition occurred:
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// TRACE( TL_E, TM_Init, ( "NdisMRegisterMiniport=$%x", status ) );
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//
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//
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#define TRACE(ulLevel,ulMask,Args) \
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{ \
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if (ulLevel <= g_ulTraceLevel && (g_ulTraceMask & ulMask)) \
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{ \
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DbgPrint( "PPPoE: " ); \
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DbgPrint Args; \
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DbgPrint( "\n" ); \
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} \
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}
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// ASSERT checks caller's assertion expression and if false, prints a kernel
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// debugger message and breaks.
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//
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#undef ASSERT
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#define ASSERT(x) \
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{ \
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if (!(x)) \
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{ \
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DbgPrint( "PPPoE: !ASSERT( %s ) at line %d of %s\n", \
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#x, __LINE__, __FILE__ ); \
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DbgBreakPoint(); \
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} \
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}
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// DUMP prints to the kernel debugger a hex dump of 'cb' bytes starting at 'p'
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// in groups of 'ul'. If 'f' is set the address of each line in shown before
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// the dump. DUMPB, DUMPW, and DUMPDW are BYTE, WORD, and DWORD dumps
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// respectively. Note that the multi-byte dumps do not reflect little-endian
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// (Intel) byte order. The 'ulLevel' and 'ulMask' are described for TRACE.
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//
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#define DUMP(ulLevel,ulMask,p,cb,f,ul) \
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{ \
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if (ulLevel <= g_ulTraceLevel && (g_ulTraceMask & ulMask)) \
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{ \
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Dump( (CHAR* )p, cb, f, ul ); \
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} \
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}
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#define DUMPB(ulLevel,ulMask,p,cb) \
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{ \
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if (ulLevel <= g_ulTraceLevel && (g_ulTraceMask & ulMask)) \
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{ \
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Dump( (CHAR* )p, cb, 0, 1 ); \
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} \
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}
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#define DUMPW(ulLevel,ulMask,p,cb) \
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{ \
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if (ulLevel <= g_ulTraceLevel && (g_ulTraceMask & ulMask)) \
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{ \
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Dump( (CHAR* )p, cb, 0, 2 ); \
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} \
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}
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#define DUMPDW(ulLevel,ulMask,p,cb) \
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{ \
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if (ulLevel <= g_ulTraceLevel && (g_ulTraceMask & ulMask)) \
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{ \
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Dump( (CHAR* )p, cb, 0, 4 ); \
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} \
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}
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// Double-linked list corruption detector. Runs the test if 'ulMask' is
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// enabled, with TM_Dbg a suggested setting. Shows verbose output if
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// 'ulLevel' is at or above the current trace threshold.
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//
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#define CHECKLIST(ulMask,p,ulLevel) \
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{ \
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if (g_ulTraceMask & ulMask) \
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{ \
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CheckList( p, (BOOLEAN )(ulLevel <= g_ulTraceLevel) ); \
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} \
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}
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// DBG_if can be used to put in TRACE/DUMPs conditional on an expression that
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// need not be evaluated in non-DBG builds, e.g the statements below generate
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// no code in a non-DBG build, but in DBG builds print the TRACE if x<y and
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// asserts otherwise.
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//
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// DBG_if (x < y)
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// TRACE( TL_N, TM_Misc, ( "x < y" ) );
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// DBG_else
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// ASSERT( FALSE );
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//
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//
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#define DBG_if(x) if (x)
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#define DBG_else else
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#else // !DBG
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// Debug macros compile out of non-DBG builds.
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//
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#define TRACE(ulLevel,ulMask,Args)
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#undef ASSERT
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#define ASSERT(x)
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#define DUMP(ulLevel,ulMask,p,cb,f,dw)
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#define DUMPB(ulLevel,ulMask,p,cb)
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#define DUMPW(ulLevel,ulMask,p,cb)
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#define DUMPDW(ulLevel,ulMask,p,cb)
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#define CHECKLIST(ulMask,p,ulLevel)
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#define DBG_if(x)
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#define DBG_else
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#endif
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//-----------------------------------------------------------------------------
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// Prototypes
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//-----------------------------------------------------------------------------
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VOID
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CheckList(
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IN LIST_ENTRY* pList,
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IN BOOLEAN fShowLinks );
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VOID
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Dump(
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CHAR* p,
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ULONG cb,
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BOOLEAN fAddress,
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ULONG ulGroup );
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VOID
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DumpLine(
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CHAR* p,
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ULONG cb,
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BOOLEAN fAddress,
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ULONG ulGroup );
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#endif // _DEBUG_H_
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