Source code of Windows XP (NT5)
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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
vrdebug.h
Abstract:
Contains defines for Vdm Redir Debugging info
Author:
Richard L Firth (rfirth) 13-Feb-1992
Notes:
Add new category for each new group of functions added for which external
debug control is required
Revision History:
--*/
//
// COMPILE-time debugging options:
// definitions for debug flags. Each bit enables diagnostic printing/specific
// debugging of corresponding module. Also overridden at run-time in DBG
// version by having these flags in the VR= environment variable
//
#define DEBUG_MAILSLOT 0x00000001L // general Mailslots
#define DEBUG_NAMEPIPE 0x00000002L // general Named Pipe
#define DEBUG_NETAPI 0x00000004L // general NETAPI
#define DEBUG_NETBIOS 0x00000008L // general NETBIOS
#define DEBUG_DLC 0x00000010L // general DLC
#define DEBUG_DOS_CCB_IN 0x00000020L // input DOS CCBs & parameter tables
#define DEBUG_DOS_CCB_OUT 0x00000040L // output DOS CCBs & parameter tables
#define DEBUG_NT_CCB_IN 0x00000080L // input NT CCBs & parameter tables
#define DEBUG_NT_CCB_OUT 0x00000100L // output NT CCBs & parameter tables
#define DEBUG_DLC_BUFFERS 0x00000200L // DLC buffer pools
#define DEBUG_DLC_TX_DATA 0x00000400L // DLC transmit data
#define DEBUG_DLC_RX_DATA 0x00000800L // DLC received data
#define DEBUG_DLC_ASYNC 0x00001000L // DLC async call-backs
#define DEBUG_TRANSACT_TX 0x00002000L // Transaction send data buffer(s)
#define DEBUG_TRANSACT_RX 0x00004000L // Transaction receive data buffer(s)
#define DEBUG_DLC_ALLOC 0x00008000L // dump alloc/free calls in DLC
#define DEBUG_READ_COMPLETE 0x00010000L // dump CCB when READ completes
#define DEBUG_ASYNC_EVENT 0x00020000L // dump asynchronous event info
#define DEBUG_CMD_COMPLETE 0x00040000L // dump command complete event info
#define DEBUG_TX_COMPLETE 0x00080000L // dump transmit complete event info
#define DEBUG_RX_DATA 0x00100000L // dump data received event info
#define DEBUG_STATUS_CHANGE 0x00200000L // dump DLC status change event info
#define DEBUG_EVENT_QUEUE 0x00400000L // dump PutEvent, GetEvent and PeekEvent
#define DEBUG_DOUBLE_TICKS 0x00800000L // multiply timer tick counts by 2
#define DEBUG_DUMP_FREE_BUF 0x01000000L // dump buffer header on BUFFER.FREE
#define DEBUG_CRITSEC 0x02000000L // dump enter/leave critical section info
#define DEBUG_HW_INTERRUPTS 0x04000000L // dump simulated hardware interrupt info
#define DEBUG_CRITICAL 0x08000000L // where #ifdef CRITICAL_DEBUGGING used to be
#define DEBUG_TIME 0x10000000L // display relative time of events
#define DEBUG_TO_FILE 0x20000000L // dump output to file VRDEBUG.LOG
#define DEBUG_DLL 0x40000000L // general DLL stuff - init, terminate
#define DEBUG_BREAKPOINT 0x80000000L // break everywhere there's a DEBUG_BREAK
#define DEBUG_DOS_CCB (DEBUG_DOS_CCB_IN | DEBUG_DOS_CCB_OUT)
#define VRDEBUG_FILE "VRDEBUG.LOG"
#if DBG
#include <stdio.h>
extern DWORD VrDebugFlags;
extern FILE* hVrDebugLog;
extern VOID DbgOut(LPSTR, ...);
#define IF_DEBUG(type) if (VrDebugFlags & DEBUG_##type)
#define DEBUG_BREAK() IF_DEBUG(BREAKPOINT) { \
DbgPrint("BP %s.%d\n", __FILE__, __LINE__); \
DbgBreakPoint(); \
}
#define DBGPRINT DbgOut
#define DPUT(s) DBGPRINT(s)
#define DPUT1(s, a) DBGPRINT(s, a)
#define DPUT2(s, a, b) DBGPRINT(s, a, b)
#define DPUT3(s, a, b, c) DBGPRINT(s, a, b, c)
#define DPUT4(s, a, b, c, d) DBGPRINT(s, a, b, c, d)
#define DPUT5(s, a, b, c, d, e) DBGPRINT(s, a, b, c, d, e)
#define CRITDUMP(x) DbgPrint x
#define DUMPCCB DumpCcb
#else
#define IF_DEBUG(type) if (0)
#define DEBUG_BREAK()
#define DBGPRINT
#define DPUT(s)
#define DPUT1(s, a)
#define DPUT2(s, a, b)
#define DPUT3(s, a, b, c)
#define DPUT4(s, a, b, c, d)
#define DPUT5(s, a, b, c, d, e)
#define CRITDUMP(x)
#define DUMPCCB
#endif
//
// defaults
//
#define DEFAULT_STACK_DUMP 32
//
// numbers
//
#define NUMBER_OF_VR_GROUPS 5
#define NUMBER_OF_CPU_REGISTERS 14
#define MAX_ID_LEN 40
#define MAX_DESC_LEN 256
//
// environment strings - shortened since they all go through to dos & dos can
// only handle 1K of environment
//
#define ES_VRDEBUG "VRDBG" // "__VRDEBUG"
#define ES_MAILSLOT "MS" // "MAILSLOT"
#define ES_NAMEPIPE "NP" // "NAMEPIPE"
#define ES_LANMAN "LM" // "LANMAN"
#define ES_NETBIOS "NB" // "NETBIOS"
#define ES_DLC "DLC" // "DLC"
//
// diagnostic controls - in same numerical order as TOKEN!!!
//
#define DC_BREAK "BRK" // "BREAK"
#define DC_DISPLAYNAME "DN" // "DISPLAYNAME"
#define DC_DLC ES_DLC
#define DC_DUMPMEM "DM" // "DUMPMEM"
#define DC_DUMPREGS "DR" // "DUMPREGS"
#define DC_DUMPSTACK "DK" // "DUMPSTACK"
#define DC_DUMPSTRUCT "DS" // "DUMPSTRUCT"
#define DC_ERROR "E" // "ERROR"
#define DC_ERRORBREAK "EB" // "ERRORBREAK"
#define DC_INFO "I" // "INFO"
#define DC_LANMAN ES_LANMAN
#define DC_MAILSLOT ES_MAILSLOT
#define DC_NAMEPIPE ES_NAMEPIPE
#define DC_NETBIOS ES_NETBIOS
#define DC_PAUSEBREAK "PB" // "PAUSEBREAK"
#define DC_WARN "W" // "WARN"
//
// diagnostic categories (groups)
//
#define DG_ALL -1L // catch first enabled set
#define DG_NONE 0 // no category
#define DG_MAILSLOT 0x00000001L
#define DG_NAMEPIPE 0x00000002L
#define DG_LANMAN 0x00000004L
#define DG_NETBIOS 0x00000008L
#define DG_DLC 0x00000010L
//
// diagnostic index (in VrDiagnosticGroups array)
//
#define DI_MAILSLOT 0
#define DI_NAMEPIPE 1
#define DI_LANMAN 2
#define DI_NETBIOS 3
#define DI_DLC 4
//
// diagnostic control manifests
//
#define DM_INFORMATION 0x00010000L // display all info, warning and error messages
#define DM_WARNING 0x00020000L // display warning and error messages
#define DM_ERROR 0x00030000L // display error messages only
#define DM_ERRORBREAK 0x00100000L // DbgBreakPoint() on error
#define DM_PAUSEBREAK 0x00200000L // DbgBreakPoint() on pause (wait for developer)
#define DM_DUMPREGS 0x00800000L // dump x86 registers when routine entered
#define DM_DUMPREGSDBG 0x01000000L // dump x86 registers when routine entered, debug style
#define DM_DUMPMEM 0x02000000L // dump DOS memory when routine entered
#define DM_DUMPSTACK 0x04000000L // dump DOS stack when routine entered
#define DM_DUMPSTRUCT 0x08000000L // dump a structure when routine entered
#define DM_DISPLAYNAME 0x10000000L // display the function name
#define DM_BREAK 0x80000000L // break when routine entered
#define DM_DISPLAY_MASK 0x000f0000L
//
// enumerated types
//
////
//// GPREG - General Purpose REGisters
////
//
//typedef enum {
// AX = 0,
// BX,
// CX,
// DX,
// SI,
// DI,
// BP,
// SP
//} GPREG;
//
////
//// SEGREG - SEGment REGisters
////
//
//typedef enum {
// CS = 8,
// DS,
// ES,
// SS
//} SEGREG;
//
////
//// SPREG - Special Purpose REGisters
////
//
//typedef enum {
// IP = 12,
// FLAGS
//} SPREG;
//
//typedef union {
// SEGREG SegReg;
// GPREG GpReg;
// SPREG SpReg;
//} REGISTER;
typedef enum {
AX = 0,
BX = 1,
CX = 2,
DX = 3,
SI = 4,
DI = 5,
BP = 6,
SP = 7,
CS = 8,
DS = 9,
ES = 10,
SS = 11,
IP = 12,
FLAGS = 13
} REGISTER;
//
// REGVAL - keeps a 16-bit value or a register specification, depending on
// sense of IsRegister
//
typedef struct {
BOOL IsRegister;
union {
REGISTER Register;
WORD Value;
} RegOrVal;
} REGVAL, *LPREGVAL;
//
// structures
//
//
// CONTROL - keeps correspondence between control keyword and control flag
//
typedef struct {
char* Keyword;
DWORD Flag;
} CONTROL;
//
// OPTION - keeps correspondence between diagnostic option and option type
//
typedef struct {
char* Keyword;
DWORD Flag;
} OPTION;
//
// REGDEF - defines a register - keeps correspondence between name and type
//
typedef struct {
char RegisterName[3];
REGISTER Register;
} REGDEF, *LPREGDEF;
//
// GROUPDEF - keeps correspondence between group name and index in
// VrDiagnosticGroups array
//
typedef struct {
char* Name;
DWORD Index;
} GROUPDEF;
//
// MEMORY_INFO - for each each memory dump we keep a record of its type, length
// and starting address
//
typedef struct _MEMORY_INFO {
struct _MEMORY_INFO* Next;
REGVAL Segment;
REGVAL Offset;
REGVAL DumpCount;
BYTE DumpType;
} MEMORY_INFO, *LPMEMORY_INFO;
//
// STRUCT_INFO - for each structure to be dumped we keep record of the segment
// and offset registers and the string which describes the structure to be
// dumped. The descriptor is similar to (but NOT THE SAME AS) the Rap
// descriptor stuff
//
typedef struct _STRUCT_INFO {
struct _STRUCTINFO* Next;
char StructureDescriptor[MAX_DESC_LEN+1];
REGVAL Segment;
REGVAL Offset;
} STRUCT_INFO, *LPSTRUCT_INFO;
//
// DIAGNOSTIC_INFO - information common to GROUP_DIAGNOSTIC and FUNCTION_DIAGNOSTIC
//
typedef struct {
DWORD OnControl;
DWORD OffControl;
MEMORY_INFO StackInfo; // special case of MemoryInfo
MEMORY_INFO MemoryInfo;
STRUCT_INFO StructInfo;
} DIAGNOSTIC_INFO, *LPDIAGNOSTIC_INFO;
//
// GROUP_DIAGNOSTIC - because the groups are predefined, we don't keep any
// name information, or a list - just NUMBER_OF_VR_GROUPS elements in an
// array of GROUP_DIAGNOSTIC structures
//
typedef struct {
char GroupName[MAX_ID_LEN+1];
DIAGNOSTIC_INFO Diagnostic;
} GROUP_DIAGNOSTIC, *LPGROUP_DIAGNOSTIC;
//
// FUNCTION_DIAGNOSTIC - if we want to diagnose a particular named function,
// then we generate one of these. We keep a (unsorted) list of these if a
// function description is parsed from the environment string(s)
//
typedef struct _FUNCTION_DIAGNOSTIC {
struct _FUNCTION_DIAGNOSTIC* Next;
char FunctionName[MAX_ID_LEN+1];
DIAGNOSTIC_INFO Diagnostic;
} FUNCTION_DIAGNOSTIC, *LPFUNCTION_DIAGNOSTIC;
//
// structure descriptor characters (general purpose data descriptors)
//
#define SD_BYTE 'B' // 8-bits, displayed as hex (0a)
#define SD_WORD 'W' // 16-bits, displayed as hex (0abc)
#define SD_DWORD 'D' // 32-bits, displayed as hex (0abc1234)
#define SD_POINTER 'P' // 32-bits, displayed as pointer (0abc:1234)
#define SD_ASCIZ 'A' // asciz string, displayed as string "this is a string"
#define SD_ASCII 'a' // asciz pointer, displayed as pointer, string 0abc:1234 "this is a string"
#define SD_CHAR 'C' // ascii character, displayed as character 'c'
#define SD_NUM 'N' // 8-bits, displayed as unsigned byte (0 to 255)
#define SD_INT 'I' // 16-bits, displayed as unsigned word (0 to 65,535)
#define SD_LONG 'L' // 32-bits, displayed as unsigned long (0 to 4,294,967,295)
#define SD_SIGNED '-' // convert I,L,N to signed
#define SD_DELIM ':' // name delimiter
#define SD_FIELDSEP ';' // separates named fields
#define SD_NAMESEP '/' // separates structure name from fields
#define SD_CHARS {SD_BYTE, \
SD_WORD, \
SD_DWORD, \
SD_POINTER, \
SD_ASCIZ, \
SD_ASCII,\
SD_CHAR, \
SD_NUM, \
SD_INT, \
SD_LONG, \
SD_SIGNED}
#define MD_CHARS {SD_BYTE, SD_WORD, SD_DWORD, SD_POINTER}
//
// token stuff
//
//
// TOKEN - enumerated, alphabetically ordered tokens
//
typedef enum {
TLEFTPAREN = -6, // (
TRIGHTPAREN = -5, // )
TREGISTER = -4,
TNUMBER = -3,
TEOS = -2, // end of string
TUNKNOWN = -1, // unknown lexeme, assume routine name?
//
// tokens from here on down are also the index into DiagnosticTokens which
// describe them
//
TBREAK = 0,
TDISPLAYNAME,
TDLC,
TDUMPMEM,
TDUMPREGS,
TDUMPSTACK,
TDUMPSTRUCT,
TERROR,
TERRORBREAK,
TINFO,
TLANMAN,
TMAILSLOT,
TNAMEPIPE,
TNETBIOS,
TPAUSEBREAK,
TWARN
} TOKEN;
//
// TIB (Token Info Bucket) - Contains info describing token found. Only filled
// in when we find an identifier, number or a register
//
typedef struct {
LPSTR TokenStream;
TOKEN Token;
union {
REGVAL RegVal;
char Id[MAX_DESC_LEN+1];
} RegValOrId;
} TIB, *LPTIB;
//
// DEBUG_TOKEN - maps from lexeme to token
//
typedef struct {
char* TokenString;
TOKEN Token;
} DEBUG_TOKEN;
//
// what to expect when parsing strings
//
#define EXPECTING_NOTHING 0x00
#define EXPECTING_REGVAL 0x01
#define EXPECTING_MEMDESC 0x02
#define EXPECTING_STRUCTDESC 0x04
#define EXPECTING_LEFTPAREN 0x08
#define EXPECTING_RIGHTPAREN 0x10
#define EXPECTING_EOS 0x20
#define EXPECTING_NO_ARGS 0x40
//
// data (defined in vrdebug.c)
//
//
// VrDiagnosticGroups - an array of GROUP_DIAGNOSTIC structures
//
GROUP_DIAGNOSTIC VrDiagnosticGroups[NUMBER_OF_VR_GROUPS];
//
// FunctionList - linked list of FUNCTION_DIAGNOSTIC structures
//
LPFUNCTION_DIAGNOSTIC FunctionList;
//
// prototypes (in vrdebug.c)
//
VOID
VrDebugInit(
VOID
);
LPDIAGNOSTIC_INFO
VrDiagnosticEntryPoint(
IN LPSTR FunctionName,
IN DWORD FunctionCategory,
OUT LPDIAGNOSTIC_INFO Info
);
VOID
VrPauseBreak(
LPDIAGNOSTIC_INFO Info
);
VOID
VrErrorBreak(
LPDIAGNOSTIC_INFO Info
);
VOID
VrPrint(
IN DWORD Level,
IN LPDIAGNOSTIC_INFO Context,
IN LPSTR Format,
IN ...
);
VOID
VrDumpRealMode16BitRegisters(
IN BOOL DebugStyle
);
VOID
VrDumpDosMemory(
IN BYTE Type,
IN DWORD Iterations,
IN WORD Segment,
IN WORD Offset
);
VOID
VrDumpDosMemoryStructure(
IN LPSTR Descriptor,
IN WORD Segment,
IN WORD Offset
);
//
//VOID
//VrDumpDosStack(
// IN DWORD Depth
// )
//
///*++
//
//Routine Description:
//
// Dumps <Depth> words from the Vdm stack, as addressed by getSS():getSP().
// Uses VrDumpDosMemory to dump stack contents
//
//Arguments:
//
// Depth - number of 16-bit words to dump from DOS memory stack
//
//Return Value:
//
// None.
//
//--*/
//
#define VrDumpDosStack(Depth) VrDumpDosMemory('W', Depth, getSS(), getSP())
//
// macros used in routines to be diagnosed
//
#if DBG
#define DIAGNOSTIC_ENTRY VrDiagnosticEntryPoint
#define DIAGNOSTIC_EXIT VrDiagnosticExitPoint
#define BREAK_ON_PAUSE VrPauseBreak
#define BREAK_ON_ERROR VrErrorBreak
//#define INFORM(s, ...) VrPrint(DM_INFORMATION, s, ...)
//#define WARN(s, ...) VrPrint(DM_WARNING, s, ...)
//#define ERROR(s, ...) VrPrint(DM_ERROR, s, ...)
#else
//
// macros used in routines to be diagnosed - don't expand to anything in non-debug
//
#define DIAGNOSTIC_ENTRY
#define DIAGNOSTIC_EXIT
#define BREAK_ON_PAUSE
#define BREAK_ON_ERROR
//#define INFORM
//#define WARN
//#define ERROR
#endif