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vdmdbg.h
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1985-1999, Microsoft Corporation
Module Name:
vdmdbg.h
Abstract:
Prodecure declarations, constant definitions, type definition and macros
for the VDMDBG.DLL VDM Debugger interface.
--*/
#ifndef _VDMDBG_
#pragma option push -b -a8 -pc -A- /*P_O_Push*/
#define _VDMDBG_
#if _MSC_VER > 1000
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include <pshpack4.h>
#define STATUS_VDM_EVENT STATUS_SEGMENT_NOTIFICATION
#ifndef DBG_SEGLOAD
#define DBG_SEGLOAD 0
#define DBG_SEGMOVE 1
#define DBG_SEGFREE 2
#define DBG_MODLOAD 3
#define DBG_MODFREE 4
#define DBG_SINGLESTEP 5
#define DBG_BREAK 6
#define DBG_GPFAULT 7
#define DBG_DIVOVERFLOW 8
#define DBG_INSTRFAULT 9
#define DBG_TASKSTART 10
#define DBG_TASKSTOP 11
#define DBG_DLLSTART 12
#define DBG_DLLSTOP 13
#define DBG_ATTACH 14
#define DBG_TOOLHELP 15
#define DBG_STACKFAULT 16
#define DBG_WOWINIT 17
#define DBG_TEMPBP 18
#define DBG_MODMOVE 19
#define DBG_INIT 20
#define DBG_GPFAULT2 21
#endif
//
// These flags are set in the same WORD as the DBG_ event id's (above).
//
#define VDMEVENT_NEEDS_INTERACTIVE 0x8000
#define VDMEVENT_VERBOSE 0x4000
#define VDMEVENT_PE 0x2000
#define VDMEVENT_ALLFLAGS 0xe000
//
// These flags are set in the second WORD of the exception event
// parameters.
//
#define VDMEVENT_V86 0x0001
#define VDMEVENT_PM16 0x0002
//
// The following flags control the contents of the CONTEXT structure.
//
#define VDMCONTEXT_i386 0x00010000 // this assumes that i386 and
#define VDMCONTEXT_i486 0x00010000 // i486 have identical context records
#define VDMCONTEXT_CONTROL (VDMCONTEXT_i386 | 0x00000001L) // SS:SP, CS:IP, FLAGS, BP
#define VDMCONTEXT_INTEGER (VDMCONTEXT_i386 | 0x00000002L) // AX, BX, CX, DX, SI, DI
#define VDMCONTEXT_SEGMENTS (VDMCONTEXT_i386 | 0x00000004L) // DS, ES, FS, GS
#define VDMCONTEXT_FLOATING_POINT (VDMCONTEXT_i386 | 0x00000008L) // 387 state
#define VDMCONTEXT_DEBUG_REGISTERS (VDMCONTEXT_i386 | 0x00000010L) // DB 0-3,6,7
#define VDMCONTEXT_FULL (VDMCONTEXT_CONTROL | VDMCONTEXT_INTEGER |\
VDMCONTEXT_SEGMENTS)
#ifdef _X86_
// On x86 machines, just copy the definition of the CONTEXT and LDT_ENTRY
// structures.
typedef struct _CONTEXT VDMCONTEXT;
typedef struct _LDT_ENTRY VDMLDT_ENTRY;
#else // _X86_
#if defined(_IA64_)
//
// FLOATING_SAVE_AREA, _CONTEXT86, _LDT_ENTRY are defined in ntia64.h
//
typedef struct _CONTEXT86 VDMCONTEXT;
typedef struct _LDT_ENTRY VDMLDT_ENTRY;
#else
//
// Define the size of the 80387 save area, which is in the context frame.
//
#define SIZE_OF_80387_REGISTERS 80
typedef struct _FLOATING_SAVE_AREA {
ULONG ControlWord;
ULONG StatusWord;
ULONG TagWord;
ULONG ErrorOffset;
ULONG ErrorSelector;
ULONG DataOffset;
ULONG DataSelector;
UCHAR RegisterArea[SIZE_OF_80387_REGISTERS];
ULONG Cr0NpxState;
} FLOATING_SAVE_AREA;
//
// Simulated context structure for the 16-bit environment
//
typedef struct _VDMCONTEXT {
//
// The flags values within this flag control the contents of
// a CONTEXT record.
//
// If the context record is used as an input parameter, then
// for each portion of the context record controlled by a flag
// whose value is set, it is assumed that that portion of the
// context record contains valid context. If the context record
// is being used to modify a threads context, then only that
// portion of the threads context will be modified.
//
// If the context record is used as an IN OUT parameter to capture
// the context of a thread, then only those portions of the thread's
// context corresponding to set flags will be returned.
//
// The context record is never used as an OUT only parameter.
//
// CONTEXT_FULL on some systems (MIPS namely) does not contain the
// CONTEXT_SEGMENTS definition. VDMDBG assumes that CONTEXT_INTEGER also
// includes CONTEXT_SEGMENTS to account for this.
//
ULONG ContextFlags;
//
// This section is specified/returned if CONTEXT_DEBUG_REGISTERS is
// set in ContextFlags. Note that CONTEXT_DEBUG_REGISTERS is NOT
// included in CONTEXT_FULL.
//
ULONG Dr0;
ULONG Dr1;
ULONG Dr2;
ULONG Dr3;
ULONG Dr6;
ULONG Dr7;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_FLOATING_POINT.
//
FLOATING_SAVE_AREA FloatSave;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_SEGMENTS.
//
ULONG SegGs;
ULONG SegFs;
ULONG SegEs;
ULONG SegDs;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_INTEGER.
//
ULONG Edi;
ULONG Esi;
ULONG Ebx;
ULONG Edx;
ULONG Ecx;
ULONG Eax;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_CONTROL.
//
ULONG Ebp;
ULONG Eip;
ULONG SegCs; // MUST BE SANITIZED
ULONG EFlags; // MUST BE SANITIZED
ULONG Esp;
ULONG SegSs;
} VDMCONTEXT;
//
// LDT descriptor entry
//
typedef struct _VDMLDT_ENTRY {
USHORT LimitLow;
USHORT BaseLow;
union {
struct {
UCHAR BaseMid;
UCHAR Flags1; // Declare as bytes to avoid alignment
UCHAR Flags2; // Problems.
UCHAR BaseHi;
} Bytes;
struct {
ULONG BaseMid : 8;
ULONG Type : 5;
ULONG Dpl : 2;
ULONG Pres : 1;
ULONG LimitHi : 4;
ULONG Sys : 1;
ULONG Reserved_0 : 1;
ULONG Default_Big : 1;
ULONG Granularity : 1;
ULONG BaseHi : 8;
} Bits;
} HighWord;
} VDMLDT_ENTRY;
#endif // _IA64_
#endif // _X86_
typedef VDMCONTEXT *LPVDMCONTEXT;
typedef VDMLDT_ENTRY *LPVDMLDT_ENTRY;
#define VDMCONTEXT_TO_PROGRAM_COUNTER(Context) (PVOID)((Context)->Eip)
#define VDMCONTEXT_LENGTH (sizeof(VDMCONTEXT))
#define VDMCONTEXT_ALIGN (sizeof(ULONG))
#define VDMCONTEXT_ROUND (VDMCONTEXT_ALIGN - 1)
#define V86FLAGS_CARRY 0x00001
#define V86FLAGS_PARITY 0x00004
#define V86FLAGS_AUXCARRY 0x00010
#define V86FLAGS_ZERO 0x00040
#define V86FLAGS_SIGN 0x00080
#define V86FLAGS_TRACE 0x00100
#define V86FLAGS_INTERRUPT 0x00200
#define V86FLAGS_DIRECTION 0x00400
#define V86FLAGS_OVERFLOW 0x00800
#define V86FLAGS_IOPL 0x03000
#define V86FLAGS_IOPL_BITS 0x12
#define V86FLAGS_RESUME 0x10000
#define V86FLAGS_V86 0x20000 // Used to detect RealMode v. ProtMode
#define V86FLAGS_ALIGNMENT 0x40000
#define MAX_MODULE_NAME 8 + 1
#define MAX_PATH16 255
typedef struct _SEGMENT_NOTE {
WORD Selector1; // Selector of operation
WORD Selector2; // Dest. Sel. for moving segments
WORD Segment; // Segment within Module
CHAR Module[MAX_MODULE_NAME+1]; // Module name
CHAR FileName[MAX_PATH16+1]; // PathName to executable image
WORD Type; // Code / Data, etc.
DWORD Length; // Length of image
} SEGMENT_NOTE;
typedef struct _IMAGE_NOTE {
CHAR Module[MAX_MODULE_NAME+1]; // Module
CHAR FileName[MAX_PATH16+1]; // Path to executable image
WORD hModule; // 16-bit hModule
WORD hTask; // 16-bit hTask
} IMAGE_NOTE;
typedef struct {
DWORD dwSize;
char szModule[MAX_MODULE_NAME+1];
HANDLE hModule;
WORD wcUsage;
char szExePath[MAX_PATH16+1];
WORD wNext;
} MODULEENTRY, *LPMODULEENTRY;
#define SN_CODE 0 // Protect mode code segment
#define SN_DATA 1 // Protect mode data segment
#define SN_V86 2 // V86 mode segment
typedef struct _TEMP_BP_NOTE {
WORD Seg; // Dest. Segment or Selector
DWORD Offset; // Dest. Offset
BOOL bPM; // TRUE for PM, FALSE for V86
} TEMP_BP_NOTE;
typedef struct _VDM_SEGINFO {
WORD Selector; // Selector or RM segment
WORD SegNumber; // Logical segment number in executable
DWORD Length; // Length of segment
WORD Type; // Type (0=v86, 1=PM)
CHAR ModuleName[MAX_MODULE_NAME]; // Module
CHAR FileName[MAX_PATH16]; // Path to executable image
} VDM_SEGINFO;
/* GlobalFirst()/GlobalNext() flags */
#define GLOBAL_ALL 0
#define GLOBAL_LRU 1
#define GLOBAL_FREE 2
/* GLOBALENTRY.wType entries */
#define GT_UNKNOWN 0
#define GT_DGROUP 1
#define GT_DATA 2
#define GT_CODE 3
#define GT_TASK 4
#define GT_RESOURCE 5
#define GT_MODULE 6
#define GT_FREE 7
#define GT_INTERNAL 8
#define GT_SENTINEL 9
#define GT_BURGERMASTER 10
/* If GLOBALENTRY.wType==GT_RESOURCE, the following is GLOBALENTRY.wData: */
#define GD_USERDEFINED 0
#define GD_CURSORCOMPONENT 1
#define GD_BITMAP 2
#define GD_ICONCOMPONENT 3
#define GD_MENU 4
#define GD_DIALOG 5
#define GD_STRING 6
#define GD_FONTDIR 7
#define GD_FONT 8
#define GD_ACCELERATORS 9
#define GD_RCDATA 10
#define GD_ERRTABLE 11
#define GD_CURSOR 12
#define GD_ICON 14
#define GD_NAMETABLE 15
#define GD_MAX_RESOURCE 15
typedef struct {
DWORD dwSize;
DWORD dwAddress;
DWORD dwBlockSize;
HANDLE hBlock;
WORD wcLock;
WORD wcPageLock;
WORD wFlags;
BOOL wHeapPresent;
HANDLE hOwner;
WORD wType;
WORD wData;
DWORD dwNext;
DWORD dwNextAlt;
} GLOBALENTRY, *LPGLOBALENTRY;
typedef DWORD (CALLBACK* DEBUGEVENTPROC)( LPDEBUG_EVENT, LPVOID );
// Macros to access VDM_EVENT parameters
#define W1(x) ((USHORT)(x.ExceptionInformation[0]))
#define W2(x) ((USHORT)(x.ExceptionInformation[0] >> 16))
#define W3(x) ((USHORT)(x.ExceptionInformation[1]))
#define W4(x) ((USHORT)(x.ExceptionInformation[1] >> 16))
#define DW3(x) (x.ExceptionInformation[2])
#define DW4(x) (x.ExceptionInformation[3])
#include <poppack.h>
BOOL
WINAPI
VDMProcessException(
LPDEBUG_EVENT lpDebugEvent
);
BOOL
WINAPI
VDMGetThreadSelectorEntry(
HANDLE hProcess,
HANDLE hThread,
WORD wSelector,
LPVDMLDT_ENTRY lpSelectorEntry
);
ULONG
WINAPI
VDMGetPointer(
HANDLE hProcess,
HANDLE hThread,
WORD wSelector,
DWORD dwOffset,
BOOL fProtMode
);
// VDMGetThreadContext, VDMSetThreadContext are obselete
// Use VDMGetContext, VDMSetContext
BOOL
WINAPI
VDMGetContext(
HANDLE hProcess,
HANDLE hThread,
LPVDMCONTEXT lpVDMContext
);
BOOL
WINAPI
VDMSetContext(
HANDLE hProcess,
HANDLE hThread,
LPVDMCONTEXT lpVDMContext
);
BOOL
WINAPI
VDMGetSelectorModule(
HANDLE hProcess,
HANDLE hThread,
WORD wSelector,
PUINT lpSegmentNumber,
LPSTR lpModuleName,
UINT nNameSize,
LPSTR lpModulePath,
UINT nPathSize
);
BOOL
WINAPI
VDMGetModuleSelector(
HANDLE hProcess,
HANDLE hThread,
UINT wSegmentNumber,
LPSTR lpModuleName,
LPWORD lpSelector
);
BOOL
WINAPI
VDMModuleFirst(
HANDLE hProcess,
HANDLE hThread,
LPMODULEENTRY lpModuleEntry,
DEBUGEVENTPROC lpEventProc,
LPVOID lpData
);
BOOL
WINAPI
VDMModuleNext(
HANDLE hProcess,
HANDLE hThread,
LPMODULEENTRY lpModuleEntry,
DEBUGEVENTPROC lpEventProc,
LPVOID lpData
);
BOOL
WINAPI
VDMGlobalFirst(
HANDLE hProcess,
HANDLE hThread,
LPGLOBALENTRY lpGlobalEntry,
WORD wFlags,
DEBUGEVENTPROC lpEventProc,
LPVOID lpData
);
BOOL
WINAPI
VDMGlobalNext(
HANDLE hProcess,
HANDLE hThread,
LPGLOBALENTRY lpGlobalEntry,
WORD wFlags,
DEBUGEVENTPROC lpEventProc,
LPVOID lpData
);
typedef BOOL (WINAPI *PROCESSENUMPROC)( DWORD dwProcessId, DWORD dwAttributes, LPARAM lpUserDefined );
typedef BOOL (WINAPI *TASKENUMPROC)( DWORD dwThreadId, WORD hMod16, WORD hTask16, LPARAM lpUserDefined );
typedef BOOL (WINAPI *TASKENUMPROCEX)( DWORD dwThreadId, WORD hMod16, WORD hTask16,
PSZ pszModName, PSZ pszFileName, LPARAM lpUserDefined );
#define WOW_SYSTEM (DWORD)0x0001
INT
WINAPI
VDMEnumProcessWOW(
PROCESSENUMPROC fp,
LPARAM lparam
);
INT
WINAPI
VDMEnumTaskWOW(
DWORD dwProcessId,
TASKENUMPROC fp,
LPARAM lparam
);
//
// VDMEnumTaskWOWEx is the same as VDMEnumTaskWOW except
// the callback procedure gets two more parameters,
// the module name of the EXE and the full path to the
// EXE.
//
INT
WINAPI
VDMEnumTaskWOWEx(
DWORD dwProcessId,
TASKENUMPROCEX fp,
LPARAM lparam
);
//
// VDMTerminateTaskWOW rudely terminates a 16-bit WOW task
// similar to the way TerminateProcess kills a Win32
// process.
//
BOOL
WINAPI
VDMTerminateTaskWOW(
DWORD dwProcessId,
WORD htask
);
//
// VDMStartTaskInWOW launches a Win16 task in a pre-existing
// WOW VDM. Note that the caller is responsible for ensuring
// the program is a 16-bit Windows program. If it is a DOS
// or Win32 program, it will still be launched from within
// the target WOW VDM.
//
// The supplied command line and show command are passed
// unchanged to the 16-bit WinExec API in the target WOW VDM.
//
// Note this routine is ANSI-only.
//
BOOL
WINAPI
VDMStartTaskInWOW(
DWORD dwProcessId,
LPSTR lpCommandLine,
WORD wShow
);
//
// VDMKillWOW is not implemented.
//
BOOL
WINAPI
VDMKillWOW(
VOID
);
//
// VDMDetectWOW is not implemented.
//
BOOL
WINAPI
VDMDetectWOW(
VOID
);
BOOL
WINAPI
VDMBreakThread(
HANDLE hProcess,
HANDLE hThread
);
DWORD
WINAPI
VDMGetDbgFlags(
HANDLE hProcess
);
BOOL
WINAPI
VDMSetDbgFlags(
HANDLE hProcess,
DWORD dwFlags
);
#define VDMDBG_BREAK_DOSTASK 0x00000001
#define VDMDBG_BREAK_WOWTASK 0x00000002
#define VDMDBG_BREAK_LOADDLL 0x00000004
#define VDMDBG_BREAK_EXCEPTIONS 0x00000008
#define VDMDBG_BREAK_DEBUGGER 0x00000010
#define VDMDBG_TRACE_HISTORY 0x00000080
//
// VDMIsModuleLoaded can be used to determine if the 16-bit
// executable referenced by the full path name parameter is
// loaded in ntvdm.
//
// Note that this function uses an internal table in vdmdbg.dll
// to determine a module's existence. One important usage of this
// function is to print a message when a particular module is
// loaded for the first time. To accomplish this, call this
// routine during a DBG_SEGLOAD notification BEFORE the entry
// point VDMProcessException has been called. If it returns FALSE,
// then the module has not yet been loaded.
//
BOOL
WINAPI
VDMIsModuleLoaded(
LPSTR szPath
);
BOOL
WINAPI
VDMGetSegmentInfo(
WORD Selector,
ULONG Offset,
BOOL bProtectMode,
VDM_SEGINFO *pSegInfo
);
//
// VDMGetSymbol
//
// This routine reads the standard .SYM file format.
//
// szModule - module name (max 9 chars)
// SegNumber - logical segment number of segment (see VDM_SEGINFO)
// Offset - offset in segment
// bProtectMode - TRUE for PM, FALSE for V86 mode
// bNextSymbol - FALSE to find nearest sym BEFORE offset, TRUE for AFTER
// szSymbolName - receives symbol name (must point to 256 byte buffer)
// pDisplacement - distance in bytes from nearest symbol
//
BOOL
WINAPI
VDMGetSymbol(
LPSTR szModule,
WORD SegNumber,
DWORD Offset,
BOOL bProtectMode,
BOOL bNextSymbol,
LPSTR szSymbolName,
PDWORD pDisplacement
);
BOOL
WINAPI
VDMGetAddrExpression(
LPSTR szModule,
LPSTR szSymbol,
PWORD Selector,
PDWORD Offset,
PWORD Type
);
#define VDMADDR_V86 2
#define VDMADDR_PM16 4
#define VDMADDR_PM32 16
//
// typedefs for main entry points
//
typedef BOOL (WINAPI *VDMPROCESSEXCEPTIONPROC)(LPDEBUG_EVENT);
typedef BOOL (WINAPI *VDMGETTHREADSELECTORENTRYPROC)(HANDLE,HANDLE,DWORD,LPVDMLDT_ENTRY);
typedef ULONG (WINAPI *VDMGETPOINTERPROC)(HANDLE,HANDLE,WORD,DWORD,BOOL);
typedef BOOL (WINAPI *VDMGETCONTEXTPROC)(HANDLE,HANDLE,LPVDMCONTEXT);
typedef BOOL (WINAPI *VDMSETCONTEXTPROC)(HANDLE,HANDLE,LPVDMCONTEXT);
typedef BOOL (WINAPI *VDMKILLWOWPROC)(VOID);
typedef BOOL (WINAPI *VDMDETECTWOWPROC)(VOID);
typedef BOOL (WINAPI *VDMBREAKTHREADPROC)(HANDLE);
typedef BOOL (WINAPI *VDMGETSELECTORMODULEPROC)(HANDLE,HANDLE,WORD,PUINT,LPSTR, UINT,LPSTR, UINT);
typedef BOOL (WINAPI *VDMGETMODULESELECTORPROC)(HANDLE,HANDLE,UINT,LPSTR,LPWORD);
typedef BOOL (WINAPI *VDMMODULEFIRSTPROC)(HANDLE,HANDLE,LPMODULEENTRY,DEBUGEVENTPROC,LPVOID);
typedef BOOL (WINAPI *VDMMODULENEXTPROC)(HANDLE,HANDLE,LPMODULEENTRY,DEBUGEVENTPROC,LPVOID);
typedef BOOL (WINAPI *VDMGLOBALFIRSTPROC)(HANDLE,HANDLE,LPGLOBALENTRY,WORD,DEBUGEVENTPROC,LPVOID);
typedef BOOL (WINAPI *VDMGLOBALNEXTPROC)(HANDLE,HANDLE,LPGLOBALENTRY,WORD,DEBUGEVENTPROC,LPVOID);
typedef INT (WINAPI *VDMENUMPROCESSWOWPROC)(PROCESSENUMPROC,LPARAM);
typedef INT (WINAPI *VDMENUMTASKWOWPROC)(DWORD,TASKENUMPROC,LPARAM);
typedef INT (WINAPI *VDMENUMTASKWOWEXPROC)(DWORD,TASKENUMPROCEX,LPARAM);
typedef BOOL (WINAPI *VDMTERMINATETASKINWOWPROC)(DWORD,WORD);
typedef BOOL (WINAPI *VDMSTARTTASKINWOWPROC)(DWORD,LPSTR,WORD);
typedef DWORD (WINAPI *VDMGETDBGFLAGSPROC)(HANDLE);
typedef BOOL (WINAPI *VDMSETDBGFLAGSPROC)(HANDLE,DWORD);
typedef BOOL (WINAPI *VDMISMODULELOADEDPROC)(LPSTR);
typedef BOOL (WINAPI *VDMGETSEGMENTINFOPROC)(WORD,ULONG,BOOL,VDM_SEGINFO);
typedef BOOL (WINAPI *VDMGETSYMBOLPROC)(LPSTR, WORD, DWORD, BOOL, BOOL, LPSTR, PDWORD);
typedef BOOL (WINAPI *VDMGETADDREXPRESSIONPROC)(LPSTR, LPSTR, PWORD, PDWORD, PWORD);
#ifdef __cplusplus
}
#endif
#pragma option pop /*P_O_Pop*/
#endif // _VDMDBG_