144 lines
4.5 KiB
C
144 lines
4.5 KiB
C
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/***************************************************************************\
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* debug.h
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*
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* Microsoft Confidential
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* Copyright (c) 1991 Microsoft Corporation
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*
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* Definitions for development assertion checking and DEBUG file dumping
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*
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* History:
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* Written by Hadi Partovi (t-hadip) summer 1991
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*
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* Re-written and adapted for NT by Fran Borda (v-franb) Nov.1991
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* for Newman Consulting
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* Took out all WIN-specific and bargraph code. Added 3 new
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* linegraphs (Mem/Paging, Process/Threads/Handles, IO), and
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* tailored info to that available under NT.
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\***************************************************************************/
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/* Note: for assertion checking of pointers,
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* each data structure is given a type signature as
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* its first member. This signature is unique over
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* all structures.
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* (NOTE: I haven't implemented this for LineGraphs yet)
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*
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* TS_BAD is the signature a structure gets when freed
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* Before referencing a structure (pointer), an
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* AssertXXX will be called, to check its signature first.
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* This #include file defines the signatures, and the AsserXXX macros
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*
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* Assertion checking will be handled by one function, doAssert, which
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* will fail if the given condition is false, and print the line #
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* and file where the assertion failed.
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*
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* For dumping info to files, a file (dump.c) will be created upon running,
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* and information will be sent to it using the DUMPXXX macros
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*/
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#ifdef DEBUG
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typedef DWORD TYPE_SIGNATURE;
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// type signatures
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#define TS_DP 0x4450 // "DP" - PROCESS structure
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#define TS_DT 0x4454 // "DT" - THREAD structure
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#define TS_DM 0x444D // "DM" - MODULE structure
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#define TS_FP 0x4650 // "FP" - FKPROCESS structure
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#define TS_FT 0x4654 // "FT" - FKTHREAD structure
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#define TS_BAD 0x0000 // sign for bad memory (freed)
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#define Assert(f) doAssert(f,__FILE__,__LINE__);
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// macros to make assertion easier
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#define AssertNull(p) Assert(((p)==NULL))
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#define AssertNotNull(p) Assert(((p)!=NULL))
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#define AssertNonZero(p) Assert(((p)!=0))
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// Assertion that a pointer is non-null and points to right type
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#define AssertPtr(p,ts) Assert((((p)!=NULL) && \
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(*((TYPE_SIGNATURE FAR *)p)==ts)))
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#define AssertDP(p) AssertPtr(p,TS_DP)
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#define AssertDT(p) AssertPtr(p,TS_DT)
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#define AssertDM(p) AssertPtr(p,TS_DM)
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#define AssertFP(p) AssertPtr(p,TS_FP)
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#define AssertFT(p) AssertPtr(p,TS_FT)
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#define AssertBAD(p) AssertPtr(p,TS_BAD)
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// Assertion that pointer is null or points to right type
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#define AssertNPtr(p,ts) Assert((((p)==NULL) || \
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(*((TYPE_SIGNATURE FAR *)p)==ts)))
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#define AssertNDP(p) AssertNPtr(p,TS_DP)
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#define AssertNDT(p) AssertNPtr(p,TS_DT)
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#define AssertNDM(p) AssertNPtr(p,TS_DM)
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#define AssertNFP(p) AssertNPtr(p,TS_FP)
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#define AssertNFT(p) AssertNPtr(p,TS_FT)
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#define AssertNBAD(p) AssertNPtr(p,TS_BAD)
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// macros that set type signatures
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#define SetSigBAD(p) (*((TYPE_SIGNATURE FAR *)p)=TS_BAD)
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#define SetSigDP(p) (*((TYPE_SIGNATURE FAR *)p)=TS_DP)
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#define SetSigDT(p) (*((TYPE_SIGNATURE FAR *)p)=TS_DT)
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#define SetSigDM(p) (*((TYPE_SIGNATURE FAR *)p)=TS_DM)
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#define SetSigFP(p) (*((TYPE_SIGNATURE FAR *)p)=TS_FP)
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#define SetSigFT(p) (*((TYPE_SIGNATURE FAR *)p)=TS_FT)
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#else
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#define TS_DP
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#define TS_DT
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#define TS_DM
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#define TS_FP
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#define TS_FT
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#define TS_BAD
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#define Assert(f)
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#define AssertNull(p)
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#define AssertNotNull(p)
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#define AssertNonZero(p)
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#define AssertDP(p)
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#define AssertDT(p)
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#define AssertDM(p)
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#define AssertFP(p)
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#define AssertFT(p)
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#define AssertBAD(p)
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#define AssertNDP(p)
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#define AssertNDT(p)
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#define AssertNDM(p)
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#define AssertNFP(p)
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#define AssertNFT(p)
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#define AssertNBAD(p)
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#define SetSigBAD(p)
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#define SetSigDP(p)
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#define SetSigDT(p)
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#define SetSigDM(p)
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#define SetSigFP(p)
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#define SetSigFT(p)
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#endif
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#ifdef DEBUGDUMP
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// File Dump definitions
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#define DUMPFXN(f) debug_wr_size = fwrite(g.DB, f, 1, hDebugFile)
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#define DUMPSTR(s) \
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debug_wr_size = fwrite(g.DB, wsprintf(g.DB,"%s\r\n",(LPSTR)s), 1, hDebugFile)
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#define DUMP_FILE_NAME "dump.c"
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#define OPENDUMPFILE doOpenDumpFile()
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#define DUMPDATABASE doDumpDataBase()
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#define DUMPLGS doDumpLGS()
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#else
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#define DUMPFXN(f)
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#define DUMPSTR(s)
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#define DUMP_FILE_NAME
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#define OPENDUMPFILE
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#define DUMPDATABASE
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#define DUMPFAKEDATA
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#define DUMPLGS
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#endif
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