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windows-server-2003/base/mvdm/vdmexts/vdmexts.h

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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
vdmexts.h
Abstract:
This file header defines most of the stuff used in VDMEXTS
Revision History:
Neil Sandlin (NeilSa) 15-Jan-1996 Merged with vdmexts
--*/
//
// Pointers to WINDBG api
//
extern PWINDBG_OUTPUT_ROUTINE Print;
extern PWINDBG_GET_EXPRESSION GetExpression;
extern PWINDBG_GET_SYMBOL GetSymbol;
extern PWINDBG_DISASM Disassemble;
extern PWINDBG_CHECK_CONTROL_C CheckCtrlC;
extern PWINDBG_READ_PROCESS_MEMORY_ROUTINE ReadMem;
extern PWINDBG_WRITE_PROCESS_MEMORY_ROUTINE WriteMem;
extern PWINDBG_GET_THREAD_CONTEXT_ROUTINE ExtGetThreadContext;
extern PWINDBG_SET_THREAD_CONTEXT_ROUTINE ExtSetThreadContext;
extern PWINDBG_IOCTL_ROUTINE ExtIoctl;
extern PWINDBG_STACKTRACE_ROUTINE ExtStackTrace;
extern HANDLE hCurrentProcess;
extern HANDLE hCurrentThread;
extern LPSTR lpArgumentString;
#define PRINTF (* Print)
#define EXPRESSION (* GetExpression)
#define ReadDword(x) read_dword((ULONG)x, FALSE)
#define ReadWord(x) read_word ((ULONG)x, FALSE)
#define ReadByte(x) read_byte ((ULONG)x, FALSE)
#define ReadDwordSafe(x) read_dword((ULONG)x, TRUE)
#define ReadWordSafe(x) read_word ((ULONG)x, TRUE)
#define ReadByteSafe(x) read_byte ((ULONG)x, TRUE)
#define ReadGNode32(x,p) read_gnode32((ULONG)x,p,FALSE)
#define ReadGNode32Safe(x,p) read_gnode32((ULONG)x,p,TRUE)
/****** macros common to all versions *******/
#define CMD_ARGLIST HANDLE CurrentProcess, \
HANDLE CurrentThread, \
DWORD CurrentPc, \
PWINDBG_EXTENSION_APIS pXApis, \
LPSTR ArgumentString
#define CMD_INIT() \
UNREFERENCED_PARAMETER(CurrentPc); \
hCurrentProcess = CurrentProcess; \
hCurrentThread = CurrentThread; \
lpArgumentString = ArgumentString; \
\
Print = pXApis->lpOutputRoutine; \
GetSymbol = pXApis->lpGetSymbolRoutine; \
GetExpression = pXApis->lpGetExpressionRoutine; \
CheckCtrlC = pXApis->lpCheckControlCRoutine; \
\
ReadMem = pXApis->lpReadProcessMemoryRoutine; \
WriteMem = pXApis->lpWriteProcessMemoryRoutine; \
ExtGetThreadContext = pXApis->lpGetThreadContextRoutine; \
ExtSetThreadContext = pXApis->lpSetThreadContextRoutine; \
ExtIoctl = pXApis->lpIoctlRoutine; \
ExtStackTrace = pXApis->lpStackTraceRoutine; \
#define READMEM( addr, buff, size ) ReadProcessMem(addr, buff, size)
#define WRITEMEM( addr, buff, size ) WriteProcessMem(addr, buff, size)
#define READMEM_XRET(buff, addr)\
try {\
READMEM( (LPVOID)(addr), (LPVOID)&(buff), sizeof(buff));\
} except (EXCEPTION_EXECUTE_HANDLER) {\
Print("ReadProcessMemory Failed !\n");\
return;\
}
#define READMEM_XRETV(buff, addr, ret)\
try {\
READMEM((LPVOID) (addr), (LPVOID)&(buff), sizeof(buff));\
} except (EXCEPTION_EXECUTE_HANDLER) {\
Print("ReadProcessMemory Failed !\n");\
return ret;\
}
#define WRITEMEM_XRET(addr, buff)\
try {\
WRITEMEM((LPVOID)(addr), (LPVOID)&(buff), sizeof(buff));\
} except (EXCEPTION_EXECUTE_HANDLER) {\
Print("WriteProcessMemory Failed !\n");\
return;\
}
#define WRITEMEM_N_XRET(addr, buff, n)\
try {\
WRITEMEM((LPVOID)(addr), (LPVOID)(buff), n);\
} except (EXCEPTION_EXECUTE_HANDLER) {\
Print("WriteProcessMemory Failed !\n");\
return;\
}
#define GETEXPRVALUE(dst, expr, typ) \
{\
PVOID lpA = (PVOID)GetExpression(expr);\
READMEM_XRET(dst, lpA);\
}
#define GETEXPRADDR(dst, expr) \
{\
dst = (PVOID)GetExpression(expr);\
}
#define ASSERT_WOW_PRESENT { \
if (!EXPRESSION("wow32!gptdTaskHead")) { \
PRINTF("Could not resolve needed symbols for WOW32\n"); \
return; \
} \
}
#define ASSERT_CHECKED_WOW_PRESENT { \
if (!EXPRESSION("wow32!iCircBuffer")) { \
PRINTF("Could not resolve needed symbols for checked WOW32\n"); \
return; \
} \
}
#define BEFORE 0
#define AFTER 1
#define RPL_MASK 0x78
#define V86_BITS 0x20000
#define SELECTOR_LDT 0x04
#define SELECTOR_RPL 0x03
#define V86_MODE 0
#define PROT_MODE 1
#define FLAT_MODE 2
#define NOT_LOADED 3
#define CALL_NEAR_RELATIVE 0xE8
#define CALL_NEAR_INDIRECT 0xFF
#define INDIRECT_NEAR_TYPE 0x02
#define CALL_FAR_ABSOLUTE 0x9A
#define CALL_FAR_INDIRECT 0xFF
#define INDIRECT_FAR_TYPE 0x03
#define PUSH_CS 0x0E
#define ADD_SP 0xC483
#define TYPE_BITS 0x38
#define TYPE0 0x00
#define TYPE1 0x08
#define TYPE2 0x10
#define TYPE3 0x18
#define TYPE4 0x20
#define TYPE5 0x28
#define TYPE6 0x30
#define TYPE7 0x38
#define MOD_BITS 0xC0
#define MOD0 0x00
#define MOD1 0x40
#define MOD2 0x80
#define MOD3 0xC0
#define RM_BITS 0x07
#define RM0 0x00
#define RM1 0x01
#define RM2 0x02
#define RM3 0x03
#define RM4 0x04
#define RM5 0x05
#define RM6 0x06
#define RM7 0x07
#define FLAG_OVERFLOW 0x0800
#define FLAG_DIRECTION 0x0400
#define FLAG_INTERRUPT 0x0200
#define FLAG_SIGN 0x0080
#define FLAG_ZERO 0x0040
#define FLAG_AUXILLIARY 0x0010
#define FLAG_PARITY 0x0004
#define FLAG_CARRY 0x0001
typedef struct _SELECTORINFO {
DWORD Base;
DWORD Limit;
BOOL bCode;
BOOL bSystem;
BOOL bPresent;
BOOL bWrite;
BOOL bAccessed;
BOOL bBig;
BOOL bExpandDown;
} SELECTORINFO;
typedef struct _segentry {
struct _segentry *Next;
int type;
char szExePath[MAX_PATH16];
char szModule[MAX_MODULE_NAME];
WORD selector;
WORD segment;
DWORD length;
} SEGENTRY, *PSEGENTRY;
#define SEGTYPE_V86 1
#define SEGTYPE_PROT 2
#pragma pack(1)
typedef struct _GNODE32 { // GlobalArena
DWORD pga_next ; // next arena entry (last points to self)
DWORD pga_prev ; // previous arena entry (first points to self)
DWORD pga_address ; // 32 bit linear address of memory
DWORD pga_size ; // 32 bit size in bytes
WORD pga_handle ; // back link to handle table entry
WORD pga_owner ; // Owner field (current task)
BYTE pga_count ; // lock count for movable segments
BYTE pga_pglock ; // # times page locked
BYTE pga_flags ; // 1 word available for flags
BYTE pga_selcount ; // Number of selectors allocated
DWORD pga_lruprev ; // Previous entry in lru chain
DWORD pga_lrunext ; // Next entry in lru chain
} GNODE32;
typedef GNODE32 UNALIGNED *PGNODE32;
typedef struct _GHI32 {
WORD hi_check ; // arena check word (non-zero enables heap checking)
WORD hi_freeze ; // arena frozen word (non-zero prevents compaction)
WORD hi_count ; // #entries in arena
WORD hi_first ; // first arena entry (sentinel, always busy)
WORD hi_res1 ; // reserved
WORD hi_last ; // last arena entry (sentinel, always busy)
WORD hi_res2 ; // reserved
BYTE hi_ncompact ; // #compactions done so far (max of 3)
BYTE hi_dislevel ; // current discard level
DWORD hi_distotal ; // total amount discarded so far
WORD hi_htable ; // head of handle table list
WORD hi_hfree ; // head of free handle table list
WORD hi_hdelta ; // #handles to allocate each time
WORD hi_hexpand ; // address of near procedure to expand handles for this arena
WORD hi_pstats ; // address of statistics table or zero
} GHI32;
typedef GHI32 UNALIGNED *PGHI32;
typedef struct _HEAPENTRY {
GNODE32 gnode;
DWORD CurrentEntry;
DWORD NextEntry;
WORD Selector;
int SegmentNumber;
char OwnerName[9];
char FileName[9];
char ModuleArg[9];
} HEAPENTRY;
typedef struct _NEHEADER {
WORD ne_magic ;
BYTE ne_ver ;
BYTE ne_rev ;
WORD ne_enttab ;
WORD ne_cbenttab ;
DWORD ne_crc ;
WORD ne_flags ;
WORD ne_autodata ;
WORD ne_heap ;
WORD ne_stack ;
DWORD ne_csip ;
DWORD ne_sssp ;
WORD ne_cseg ;
WORD ne_cmod ;
WORD ne_cbnrestab ;
WORD ne_segtab ;
WORD ne_rsrctab ;
WORD ne_restab ;
WORD ne_modtab ;
WORD ne_imptab ;
DWORD ne_nrestab ;
WORD ne_cmovent ;
WORD ne_align ;
WORD ne_cres ;
BYTE ne_exetyp ;
BYTE ne_flagsothers ;
WORD ne_pretthunks ;
WORD ne_psegrefbytes;
WORD ne_swaparea ;
WORD ne_expver ;
} NEHEADER;
typedef NEHEADER UNALIGNED *PNEHEADER;
#pragma pack()
#ifndef i386
//
// Structures in 486 cpu for obtaining registers (FROM NT_CPU.C)
//
typedef struct NT_CPU_REG {
ULONG *nano_reg; /* where the nano CPU keeps the register */
ULONG *reg; /* where the light compiler keeps the reg */
ULONG *saved_reg; /* where currently unused bits are kept */
ULONG universe_8bit_mask;/* is register in 8-bit form? */
ULONG universe_16bit_mask;/* is register in 16-bit form? */
} NT_CPU_REG;
typedef struct NT_CPU_INFO {
/* Variables for deciding what mode we're in */
BOOL *in_nano_cpu; /* is the Nano CPU executing? */
ULONG *universe; /* the mode that the CPU is in */
/* General purpose register pointers */
NT_CPU_REG eax, ebx, ecx, edx, esi, edi, ebp;
/* Variables for getting SP or ESP. */
BOOL *stack_is_big; /* is the stack 32-bit? */
ULONG *nano_esp; /* where the Nano CPU keeps ESP */
UCHAR **host_sp; /* ptr to variable holding stack pointer as a
host address */
UCHAR **ss_base; /* ptr to variables holding base of SS as a
host address */
ULONG *esp_sanctuary; /* top 16 bits of ESP if we're now using SP */
ULONG *eip;
/* Segment registers. */
USHORT *cs, *ds, *es, *fs, *gs, *ss;
ULONG *flags;
/* CR0, mainly to let us figure out if we're in real or protect mode */
ULONG *cr0;
} NT_CPU_INFO;
#endif // i386
BOOL
WINAPI
ReadProcessMem(
LPVOID lpBaseAddress,
LPVOID lpBuffer,
DWORD nSize
);
BOOL
WINAPI
WriteProcessMem(
LPVOID lpBaseAddress,
LPVOID lpBuffer,
DWORD nSize
);
BOOL
ReadMemExpression(
LPSTR expr,
LPVOID buffer,
ULONG len
);
BOOL
CheckGlobalHeap(
BOOL bVerbose
);
int GetContext(
VDMCONTEXT* lpContext
);
ULONG GetInfoFromSelector(
WORD selector,
int mode,
SELECTORINFO *si
);
BOOL
FindHeapEntry(
HEAPENTRY *he,
UINT FindMethod,
BOOL bVerbose
);
#define FHE_FIND_ANY 0
#define FHE_FIND_SEL_ONLY 1
#define FHE_FIND_MOD_ONLY 2
#define FHE_FIND_QUIET FALSE
#define FHE_FIND_VERBOSE TRUE
BOOL
FindAddress(
LPSTR sym_text,
LPSTR filename,
WORD *psegment,
WORD *pselector,
LONG *poffset,
int *pmode,
BOOL bDumpAll
);
BOOL FindSymbol(
WORD selector,
LONG offset,
LPSTR sym_text,
LONG *dist,
int direction,
int mode
);
int
unassemble_one(
BYTE *pInstrStart,
BOOL bDefaultBig,
WORD wInstrSeg,
DWORD dwInstrOff,
char *pchOutput,
char *pchExtra,
VDMCONTEXT *pThreadContext,
int mode
);
ULONG GetIntelBase(
VOID
);
DWORD read_dword(
ULONG lpAddress,
BOOL bSafe
);
WORD read_word(
ULONG lpAddress,
BOOL bSafe
);
BYTE read_byte(
ULONG lpAddress,
BOOL bSafe
);
BOOL read_gnode32(
ULONG lpAddress,
PGNODE32 p,
BOOL bSafe
);
BOOL GetNextToken(
VOID
);
ULONG EvaluateToken(
VOID
);
VOID helpAPIProfDmp(
VOID
);
VOID helpMsgProfDmp(
VOID
);
BOOL
InVdmPrompt(
VOID
);
BOOL ParseIntelAddress(
int *pMode,
WORD *pSelector,
PULONG pOffset
);
VOID
ParseModuleName(
LPSTR szName,
LPSTR szPath
);
VOID
EnableDebuggerBreakpoints(
VOID
);
BOOL
IsVdmBreakPoint(
USHORT selector,
ULONG offset,
BOOL bProt,
PULONG pBpNum,
PUCHAR pBpData
);
BOOL
LoadBreakPointCache(
VOID
);
BOOL
SkipToNextWhiteSpace(
VOID
);
BOOL
IsTokenHex(
VOID
);
PSEGENTRY
GetSegtablePointer(
VOID
);
VOID Drp (VOID);
VOID Erp (VOID);
VOID EventInfop (VOID);
VOID ProfDumpp (VOID);
VOID ProfIntp (VOID);
VOID ProfStartp (VOID);
VOID ProfStopp (VOID);
VOID VdmTibp (VOID);
VOID Fpup (VOID);
BOOL DumpEnvironment(WORD segEnv, int mode);
ULONG GetCurrentVdmTib(VOID);