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