windows-nt/Source/XPSP1/NT/base/mvdm/meinc/w32sys.h

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2020-09-26 03:20:57 -05:00
/* w32sys.h
*
* Definitions of various quantities associated with the
* Win32 system DLLs. Used during Win32 boot.
*
* NOTE that these are NOT general PE DLL stats.
*/
/*
* Minimum granularity of PE objects is 512 bytes
*/
#define SectorShift 9
#define SectorSize 512
#define SectorMask (SectorSize - 1)
/*
* DLLHeaderSize must be at least as large as the largest system dll header.
*/
#define DLLHeaderSize PAGESIZE
/*
* The following define the bit fields of the pager dword associated with each
* page of memory.
*
* 31 0
* xxxxxxxxxxyyyzzzzzzzzzzzzzzzzzzz
*
* where 'x' is a 10 bit module index,
* 'y' is a 3 bit count of zero fill sectors at the end of the page,
* 'z' is a 19 bit file seek offset in unit sectors.
*
* this value is then rotated left 3 bits prior to passing it to the
* memory manager so that when it increments it by one, the sector number
* is actually incremented by 8 (# of sectors in a page).
*
* x = DLLIndexMask
* y = DLLZFillMask
* z = DLL
*/
#define DLLIndexShift 22
#define DLLIndexMask (0x3ff << DLLIndexShift)
#define DLLZFillShift 19
#define DLLZFillMask (7 << DLLZFillShift)
#define DLLSectorShift 0
#define DLLSectorMask (0x7ffff << DLLSectorShift)
#define DLLIncrShift (PAGESHIFT - SectorShift)
// Fault information block used between vwin32 and kernel32
#define MAX_FI_CRSTS (SL_TOTAL + 8)
#define CB_FI_CSEIP 16
#define CB_FI_SSESP (16*4)
typedef struct faultinfo_s {
struct TDBX *fi_ptdbx;
ULONG fi_ulExceptionNumber;
ULONG fi_ulErrorCode;
CONTEXT fi_context;
LONG fi_acCrsts[MAX_FI_CRSTS];
#ifdef SYSLEVELCHECK
LONG fi_laLvlCounts[SL_TOTAL];
struct _lcrst *fi_plcaOwnedCrsts[SL_TOTAL];
#endif
ULONG fi_cMustComplete;
LONG fi_cbCSEIP;
BYTE fi_abCSEIP[CB_FI_CSEIP];
LONG fi_cbSSESP;
ULONG fi_aulSSESP[CB_FI_SSESP/4];
volatile DWORD fi_dwFaultResp;
WORD fi_wWin16LockVCount;
BYTE fi_fFlags;
} FAULTINFO;
typedef FAULTINFO *PFAULTINFO;
// fi_fFlags and flag parameter to VWIN32_PMAPI_DPMI_Fault
#define FI_FIGNORE 0x01 // allow ignore (put up ignore error box)
#define FI_FDEBUG 0x02 // allow debug on normal popup
#define FI_FTERMINATE 0x04 // do terminate if selected
#define FI_FFREEITLATER 0x08 // delay freeing the fi block
// fi_bFaultResp flags and return code to VWIN32_PMAPI_DPMI_Fault
#define FI_TERMINATE 0 // terminate the app
#define FI_DEBUG 1 // send to debugger
#define FI_IGNORE 2 // ignore instruction
// special fi_ulExceptionNumber values
#define FI_LOAD_SEGMENT_ERROR 0xffffffff
// VWIN32_CallWhenCrstSafe structure
typedef struct cwcs {
struct cwcs *cwcs_pcwcsNext; // link
ULONG cwcs_pfn; // call back address
ULONG cwcs_ulRef; // refernce data
} CWCS;
// VWIN32_ForceCrsts/RestoreCrsts structures
typedef struct frcrst {
struct frcrst *pfrcrstNext; // INIT <0> next frcrst on list
struct _crst *pcrst; // INIT <0> pointer to crst
struct _tdb *ptdbTraced; // thread that was single-stepped
struct TDBX *ptdbxCrstOwner; // original owner
ULONG ulOrder; // INIT <0> order to add crsts to list
ULONG cRecur; // original recursion count
ULONG htimeout; // time out handle
ULONG cMustComplete; // must complete count of owner
struct cwcs cwcsData; // VWIN32_CallWhenCrstSafe data
} FRCRST;
typedef FRCRST *PFRCRST;
typedef struct frinfo {
struct frcrst *pfrcrstHead; // points to fcrstLoadLock
struct frcrst frcrstLoadLock; // for the current process's load crst
struct vmmfrinfo vmmfrinfoData; // VMM force/restore mutex info struct
} FRINFO;
typedef FRINFO *PFRINFO;